• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
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    • 专利摘要:
    LIFTING APPLIANCE, CENTERING SLEEVE, CENTERING BARS, PAIRING CENTERING BARS, CENTERING ASSEMBLY, WORKING PLATFORM APPLIANCE, HEATING APPLIANCE, AND METHOD FOR BUILDING A TOWER FROM A WIND POWER PLANT The present invention relates to a lifting device, in particular a transverse lifting beam, for lifting a first tower segment of a concrete tower of a wind power installation by means of a crane, including at least one fixing device for secure the tower segment to the lifting device, and at least one release device to release a connection between the lifting device and the tower segment.
    公开号:BR112013018604A2
    申请号:R112013018604-6
    申请日:2012-01-18
    公开日:2020-08-04
    发明作者:Hermann van Ohlen；Norbert Hölscher；Michael Honczek
    申请人:Wobben Properties Gmbh；
    IPC主号:
    专利说明:

    “LIFTING APPLIANCE, CENTERING GLOVE, CENTERING BAR, CENTERING BAR PAIR, CENTERING ASSEMBLY, WORKING PLATFORM APPLIANCE, HEATING APPLIANCE, AND METHOD FOR BUILDING A 5 TOWER OF A WIND POWER INSTALLATION” invention refers to a method for erecting a tower of a wind power installation.
    The present invention also relates to a heating apparatus for heating a junction region that extends peripherally annularly between a tubular tower segment with a segment wall that extends peripherally and a tower foundation of a wind power installation in construction wind energy installation.
    The present invention also relates to a lifting device for lifting a tower segment of a concrete tower of a wind power installation by means of a crane, a centering bar for attachment to a first tower segment of a wind tower. concrete from a wind power installation and to guide a second tower segment of the concrete tower when the first tower segment is being lowered over the second tower segment.
    The present invention also relates to a work platform apparatus for working at a variable height on a tower or tower segment of a wind power installation.
    The present invention also relates to a heating apparatus for heating a junction region that extends peripherally annularly between a tubular tower segment with a segment wall that extends peripherally and a tower foundation of a wind power installation in construction the installation of wind energy.
    The invention also relates to a method of raising and lowering a tower segment of a concrete tower in a wind power installation.
    Methods for erecting a tower for a wind power installation, in particular a concrete tower, are basically known.
    First, a concrete foundation is provided.
    A concrete tower in the finished condition is composed of a plurality of tower segments.
    Such tower segments can be provided in the form of tubular elements and thus elements such as cylinders, more specifically in contrast to a cylinder, with a slightly tapered shape.
    When larger tower diameters are involved, subdivision in the peripheral direction is also considered, so that, for example, two elements that are approximately semicircular in cross section, or other segments in part circular, are installed together.
    First, a tower segment or a plurality of tower segments is or is placed on the foundation, as the first lower layer of the tower.
    It is important that the first layer is very carefully oriented, more specifically level.
    For this purpose, this first segment or plurality of segments is precisely leveled and, first, at least provisionally fixed in this leveled position in order to then insert a compensating material between the foundation and the lower tower segment or lower tower segments, this material finally hardening and settling in this level orientation.
    A problem in this regard is that hardening of the compensating material requires a certain minimum temperature.
    At low external temperatures around the freezing point, the hardening can be significantly prolonged or can completely fail.
    This results, on the one hand, in the risk of a compensating material curing poorly or incompletely.
    On the other hand, waiting for an extended hardening period can result in longer downtimes for, for example, a crane that is required for the installation procedure.
    Such a crane that has already lifted the first tower segment or segments over the foundation remains unused for the duration of the time for hardening of this compensation material.
    This, therefore, involves expensive additional downtime for the crane.
    In addition, the tower is built successively by another 5 tower segments being placed on the tower portion that has been erected so far.
    The operations required for this purpose, then increasingly take place at an increasing height.
    Then, in the region of the uppermost layer of the tower portion respectively completed, a work platform or scaffold is usually installed, on which workers from the construction team can check the placement of a new tower segment.
    In this case, it is necessary in particular to verify that the respective new tower segment is arranged in exactly the correct desired position.
    Then, by means of a crane, each tower segment is successively raised approximately to its intended location and a crane operator performs the fine positioning of the tower segment in question.
    The precise positioning of each tower segment is then carried out manually by the construction team workers on the aforementioned work platform, that is, by human effort.
    In particular, the tower segment in question must usually be rotated to the correct position.
    The construction team holds the tower segment that is hand-oriented in this way to the correct position and the crane operator then slowly lowers the tower segment while the construction team ensures that it remains in the oriented position.
    It must be taken into account in this respect that such a tower segment can weigh between 5 and 120 t.
    Therefore, very fine positioning must be carried out despite the use of great human physical effort.
    This method of placing another tower segment is therefore complicated, time-consuming and labor-intensive and has a certain susceptibility to error.
    In addition, there is a risk of injury to workers on the site, in particular the risk of being crushed.
    When the new tower segment is arranged on the tower that has been erected so far, the tower segment must be separated from a transverse lifting beam, with which the crane has raised the tower segment.
    For this purpose, support loops, such as steel cables configured in loops, can be attached to the tower segment.
    The lifting beam is then released from those loops, for example, being disengaged from them, and the wire rope loops, as such, are then manually removed from the tower segment placed by workers on a work platform.
    This is also complicated and expensive and requires very high work involvement including an appropriate work platform at the height of the tower that has been completed so far.
    A lot of attention is generally directed to the documents US 3 074 564 A, DE 10 2009 023 538 A1 and DE 20 2010 000 868 U1. The objective of the present invention is, therefore, that of eliminating or reducing at least one of the problems mentioned above, in particular making the construction of a tower of a wind energy installation more efficient, in particular the construction of a concrete tower.
    The invention seeks to provide at least that an alternative solution is proposed.
    According to the invention, a lifting device, in particular a lifting beam, is proposed to lift a tower segment of a concrete tower of a wind power installation by means of a crane according to claim 1. A such a lifting device is then in the form of a support structure, in particular a transverse lifting beam, which is intended to lift the tower segment and which in this case is properly lifted by a crane, in particular, therefore, being attached to a crane cable.
    This lifting device or lifting beam has at least one fixing element to secure the tower segment to itself.
    This can be, for example, a hook that is intended to engage in a loop, or a cross pin between two side mounting portions.
    In principle, at least two fastening elements are provided, preferably four fastening elements, to be connected in a plurality of places to the tower segment in order to be able to stabilize the tower segment in its elevation.
    In principle, a single fastener may be sufficient, but a plurality of fasteners must often be provided to distribute the forces due to the weight and to provide stabilization.
    In addition, a release device is provided which can release a connection between the lifting device and the tower segment.
    In particular, automatic or partially automatic or remotely controlled release or separation of a connection or release of a connection by the release device must be provided.
    This release device can then be operated, for example, by means of a radio remote control.
    The current release, however, is carried out by the release device.
    So, the goal is to prevent workers from having to perform manual work directly to release the connection where the connection release is to be made.
    Instead of remotely controlled release of the connection, release governed by the connection situation is also considered, for example, by the release of the connection between the lifting device and the tower segment being carried out or initiated by the tower segment being placed.
    Preferably, the lifting device is adapted to release the connection between the lifting device and the tower segment without any residue in such a way that another tower segment can be properly arranged on the tower segment.
    In other words, after the connection is released, there is no element on the upper side of the tower segment, which would be the way of placing another tower segment on this upper side.
    As long as there is a corresponding recess or other receiving means adapted for the other tower segment that must be placed in position, an element on the upper side of the lower tower segment in this arrangement can remain.
    It is important with respect to this design configuration that, after the release of a connection via the lifting device, other manual activities related to this are not necessary on the tower segment.
    As an example, this configuration is intended to prevent a lifting device only releasing the connection to one or more support eyes or support loops of the tower segment, that is, becoming unhooked, while, however, the support eyelets or remaining support loops have yet to be manually removed.
    This modality may, in this respect, also involve a situation in which, in releasing the connection between the lifting device and the tower segment, an auxiliary device, such as a support eye or support loop or the like, is also released from the tower segment.
    This auxiliary device that is released from the tower segment does not have to be part of the lifting device.
    It is desirable if the lifting device, in particular the release device, is adapted to release, in particular unscrew, a connecting element, in particular a steel cable loop or loop which is screwed into the tower segment, from the tower segment.
    This structure is based on the use of a connection element or a plurality of connection elements that are fixed to the tower segment to be raised, in particular being screwed into it.
    The basis for this structure is then a connecting element such as an eye, a wire rope loop, a ring or the like which, in addition, has a threaded portion in order to be screwed into a threaded opening, in particular a blind hole threaded.
    The lifting device may engage by means of a hook or other engaging element within the opening in the eye, loop, ring or the like to raise the tower segment.
    If, after the final placement of the tower segment, the lifting device was only released from this connection element, the connection element would remain and prevent the placement of another tower segment on this tower segment.
    According to this embodiment, therefore, the release device is so adapted that it can also release the connecting element from the tower segment.
    For the preferred example of internally screwed connection elements, they are unscrewed from the tower segment.
    This can be done by means of a motor, in particular an electric motor, for the lifting device or for each individual release device.
    The motor then performs a rotary movement of the coupling device, which engages within the connection element and this rotary movement is transmitted to the connection element and thus bolts this connection element outside the tower segment.
    All that remains behind is an opening in the tower segment, which, however, does not present an obstacle to the placement of another tower segment on it.
    In principle, it is also possible to provide other connections between the connecting element and the tower segment, which include a releasable connection, such as, for example, a gripping device.
    Preferably, each fastening element is adapted to be connected to a respective one of the steel loops or other connecting element, in which each fastening device is provided with one of the release devices in order to screw the steel loop connected to the respective clamping device, or other connecting element, outside the tower segment.
    Correspondingly, each fixing device can individually unscrew the connecting element connected to it, outside the tower segment.
    This provides for the decoupling of individual release devices and release procedures.
    Simple and appropriate division is possible in particular when using electric motors.
    Preferably at least two fastening devices are provided which can each be reliably connected to a wire rope loop.
    For this purpose, in particular, a load-bearing transverse pin 5 for insertion into a wire rope loop or a hooking portion for hooking into a wire rope loop, which are preferably respectively secured by a safety device to prevent the unintended release of the connecting element from the fixture.
    In this regard, the underlying idea is also that, after releasing the connecting elements from the tower segment, they still have to be moved by means of the lifting device to the ground at the construction site, at the lifting site and in this regard, they must also not be allowed to descend or fall.
    When the lifting device including those connecting elements has been lowered to the ground, then the connecting elements can be removed there from the fixing device.
    Preferably, all or some of the clamping device and preferably including the release device can be changed in its position on the lifting device to be adapted for different sizes of tower segments to be lifted.
    In this way, the expenditure on apparatus involved in the erection of the wind energy installation tower can be kept low in this regard, although the tower segments are altered in relation to size and / or nature, with the increasing height of the installation tower of wind. wind energy tapering upwards.
    In addition, a centering bar according to claim 7 is also proposed. Such a centering bar is provided for fixing to a first tower segment of a concrete tower of a wind power installation and for guiding a second segment. of the concrete tower when the second tower segment is being lowered over the first tower segment.
    For this purpose, the centering bar has a fixing portion for attaching to the first tower segment, and a guide portion for guiding the second tower segment.
    The centering bar is therefore attached to the first and then lower tower segment 5.
    The guide portion is suitably adapted to guide the second and then upper tower segment in the lowering movement.
    The wind power installation tower in the finished condition is composed of a plurality of tower segments that, in particular, are placed on top of each other.
    To obtain a completely stable vertical tower, all segments must be placed tightly and precisely on top of each other.
    The proposed centering bar makes a contribution to this, and provides that the second tower segment is placed as precisely as possible on the first segment, that is, the upper tower segment is placed precisely on the lower segment.
    Preferably, the centering bar has at least one of the following characteristics or properties.
    Preferably, the fixing portion of the centering bar is provided with an external thread, in particular a metal thread, for threading in the first tower segment.
    Then, on the tower segment, a corresponding thread must be provided for threading on the centering bar, which advantageously corresponds in nature and dimension to a thread or blind hole, described above, with thread to receive a support loop or other support device. , and in particular it is identical to the same.
    The centering bar can then be screwed onto the thread on the upper side of the first tower segment and then fixed in place.
    In the use of a corresponding thread, this also provides the precise positioning of the centering bar in the first tower segment.
    Preferably, the guide portion is tapered and tapers on the side away from the fixing portion.
    When, therefore, the centering bar is properly installed in the first tower segment at the top of it, in particular being screwed into it, the guide portion tapers upwards.
    The guide portion can then correspond, for example, to a cone portion.
    The guide portion can preferably be made of plastic. 5 This makes it possible for the centering bar to be of a simple design configuration and in particular its shape can be easily produced and reproduced.
    In particular, the guide portion of the centering bar is provided to engage within a corresponding opening on the underside of the second tower segment, i.e., the upper tower segment.
    It is desirable if the fixing portion and the guide portion are formed concentrically around a common axis.
    This allows for simple fabrication, storage that requires little space and transportation.
    In particular, however, this simplifies handling and ensures handling properties that are as good as possible, and in particular properties for guiding the upper tower segment when it is being lowered.
    In addition, a pair of centering bars is proposed comprising two centering bars of different sizes.
    In this regard, in particular, the fastening portions, that is, in particular a threaded fastening portion, can be of the same size, while the guide portions are of different sizes.
    When those two centering bars, that is, their pair, are arranged on the upper side of the first tower segment, that is, the lower tower segment, those two centering bars then project to different heights above the upper side of this first tower segment.
    For the orientation of a second tower segment that must be placed on the first segment, the second tower segment is first, transported by means of a crane to a suspended position approximately above the first tower segment.
    The second tower segment can now be slowly lowered so that a centering sleeve on the second tower segment is arranged with an opening facing downwards, above the larger centering bar, and is lowered to such an extent that this centering bar larger part extends into the corresponding centering sleeve.
    In this case, the second tower segment is lowered only to such an extent 5 that the smaller centering bar, that is, the centering bar with the smaller guide portion, is still free.
    The underside of the second tower segment is therefore still just above the uppermost tip of this smaller centering bar.
    The partial engagement of the larger centering bar within its corresponding centering sleeve means that the second tower segment can now be pivoted in precisely in this region around the large centering bar until another centering sleeve is arranged above the centering bar. minor centering.
    The second tower segment can now be lowered further so that the smaller centering bar also engages within its corresponding sleeve.
    Now, at least two centering bars are each partially partially inserted into a centering sleeve, more specifically at least the above described centering bar and the above described lower centering bar.
    This second tower segment can now be lowered further and, when this happens, the preferably tapered centering bars implement the correct positioning of the tower segment.
    According to the invention, therefore, a centering sleeve is also proposed to be concreted on a second tower segment of a concrete tower of a wind power installation according to claim 10. As described above, such a sleeve centering is used to guide the second tower segment when it is being lowered onto a first tower segment and, in this case, it is intended to cooperate with the described centering bar.
    Such a centering sleeve has at least one cavity with an internal contour for receiving a tapered centering bar and an opening for the introduction of such a tapered centering bar.
    The cavity and opening are, in this case, in particular of such a configuration, that is, both with respect to the shape and dimensions, that they can cooperate with a corresponding centering bar 5.
    In other words, the corresponding centering bar must be adapted in the adjustment ratio as precisely as possible to the centering sleeve, that is, the cavity in it, so that it is guided to the position when it is introduced.
    The centering sleeve has an external contour to retain the centering sleeve in the concrete of the tower segment.
    In this regard, it is advantageous if the outer contour has, for example, a projection, such as, for example, a projection that extends peripherally to prevent the centering sleeve from falling out of the hardened or solidified concrete.
    Depending on the respective limit conditions, such as roughness of the centering sleeve material and possibly other retaining means, it may be sufficient if the outer contour substantially matches the inner contour of the cavity.
    Preferably, the centering sleeve is made substantially from plastic.
    The essential aspect is that plastic is used as the material for the centering sleeve, but possibly also other retaining elements, such as a retaining hook or the like, can be added, for example, made of metal or other material.
    In particular, the cavity configuration can be offered in a simple way by means of a plastic material, for example, using an injection molding process.
    Preferably, in addition, the positioning portion is provided on the centering sleeve, which is adapted to position and / or fix the centering sleeve on a concrete mold or on a support surface of a concrete mold, which is used regarding this.
    This positioning portion provides that the centering sleeve is centered as exactly as possible and the concrete segment is then cast.
    In this regard, it is necessary to ensure that the concrete molding within the corresponding segment mold carries the centering sleeve or gloves 5 with respect to position and also orientation and does not displace the same or the same, or move the same or the same , in some other way.
    The centering sleeve is then appropriately molded within the tower segment.
    In this case, the opening must not be closed, or such a closure must be so immaterial that it can be easily removed again after the concrete has hardened.
    In this way, a tower segment with at least one centering sleeve that is easily incorporated into it and then a clearly defined centering opening that can cooperate with a centering bar are correspondingly produced in a simple manner.
    Such a tower segment of a concrete tower with a concrete centering sleeve within it is therefore also proposed.
    It is then advantageous to provide a centering assembly comprising at least one centering bar and a centering sleeve adapted to it.
    According to the invention, a work platform device is also proposed for working at variable heights in a tower or tower portion of a wind power installation according to claim 14. This work platform device is provided for construction of a tower and, in this regard, for use in a partially finished tower that can also be referred to as a tower portion.
    The work platform apparatus includes a work basket or cage to accommodate one person to work on the tower at varying heights.
    The working cage is adapted, in this respect, to be provided in particular in the respective region of the uppermost tower portion, which is now arranged.
    In this respect, the basic starting point adopted here is a tower of a wind power installation that is made up of segments, ie, therefore, it is produced by an overlapping arrangement of 5 tower segments.
    They can preferably be segments of a concrete tower, that is, segments of concrete.
    The use on a steel tower can, however, also be considered.
    The work platform apparatus also has a fixing portion for the accident-proof attachment of the work cage to a tower ladder provided with a safety rail.
    The fixing portion, therefore, must not only be adapted to fix the working cage virtually when desired to the tower ladder, but it must be adapted in such a way that, in consideration of accident prevention regulations, at least one A worker can and can safely work at the same height in the tower.
    The tower ladder, to which this safety cage must be secured in an accident-proof manner, has a safety rail to which a worker in the tower can fasten his seat belt in an appropriate manner in accordance with regulations.
    The fixing portion of the working cage must be adapted to it.
    In one embodiment, the work cage has a floor portion and the floor portion can be so open that this provides a floor opening through which an adult, more specifically a person on a construction team at the installation tower. wind power, can leave the working cage in a downward direction.
    Consequently, the working cage can be opened downwards and the construction team member can leave the working cage underneath, in particular by means of the tower ladder, to which the working cage is attached.
    Preferably, the floor opening is such that, when the working cage is abandoned through the floor opening when the working cage is attached to the tower ladder, the person can remain constantly attached to the safety rail with a safety belt by means of a safety cursor and in particular the person can guide the safety cursor on the rail when leaving the working cage.
    In other words, when the floor opening opens, the safety rail is completely exposed with respect.
    The person who wishes to leave the work cage in a downward direction can then fasten himself to the cage by means of the seat belt and the corresponding safety cursor on the safety rail, which, in any case, must be provided for entire stay in the working cage.
    The opening can then be opened, in which case the person remains uninterruptedly trapped.
    Finally, the person on the tower ladder can simply get out of the work cage by going down the ladder.
    In this respect, the safety cursor is guided in another known way on the safety rail and at no point should this involve a situation in which the person is not arrested.
    The person is completely trapped during the entire procedure.
    In another embodiment, it is proposed that the work platform device is provided with a lifting device.
    This lifting device is provided to attach to the tower ladder and to pull up the working cage along the tower ladder provided with the safety rail, from a first working position to a second higher working position.
    Preferably, the lifting device has a hoop arrangement or at least a deflection device for deflecting a support cable, wherein the hoop arrangement or deflection device is adapted to attach to the tower ladder or the safety rail.
    In this way, it is possible for the booklet arrangement or deflection device to be fixed above the working cage for the same tower ladder or the same safety rail connected to it.
    One end of a support cable or one end of the booklet arrangement is then attached to one or more appropriate locations in the working cage and the other end of the cable extends to the person who is intended to actuate the lifting device.
    In this case, this person may have previously left the working cage in a downward direction through a corresponding opening and may be standing under the working cage.
    The cable can extend through this opening in the floor of the work cage for the person.
    This person can now pull the working cage up to a higher working position using the cable.
    This is particularly advantageous in the construction of a wind power installation tower comprising individual tower segments, as the working cage is respectively moved successively in the manner described above to the region of the upper tower segment, in particular to the proximity of the edge upper part of the uppermost tower segment, because work operations must be performed there, when the next tower segment must be placed in that location.
    Preferably, this involves the use of tower segments with pre-assembled tower stair portions.
    According to the invention, a heating apparatus is also proposed to heat a junction region that extends peripherally annularly between a tubular tower segment with a segment wall that extends peripherally and a tower foundation of a wind power installation in the construction of the wind energy installation according to claim 19. This heating apparatus has one or more cover awnings to cover the junction region.
    In addition, it has one or more annular support frames to support one or more of the cover awnings.
    In this regard, one or more support frames are such that there is sufficient space for at least one adult between the junction region and the cover awnings that are placed on the support frame.
    This heating device is based on the realization that, in order to orient a tower segment on a tower foundation, it is possible to use a compensating material that hardens poorly, slowly or mainly does not harden, particularly in icy temperatures, or that is, in particular temperatures around, and in particular below, the freezing point.
    The erection of towers of wind power installations in cold regions and / or at cold times of the year, therefore, causes problems, and can at least lead to delays in the erection of the wind power installation tower.
    Taking into account the fact that a suitable crane is already necessary to place the first tower segment, a delay in construction already means a crane downtime reserved for this operation, with the costs involved.
    The use of the heating apparatus is therefore intended to provide that, despite low ambient temperatures, the temperature in the region where leveling is carried out by means of the compensating material is increased at least to such an extent that the hardening of the compensation material is not adversely affected or is not substantially unaffected.
    The heating apparatus proposed for this purpose, essentially provides the arrangement of a heat covering device around the specified region to be heated.
    For this purpose, a support apparatus is proposed that is inclined against, or attached to, the tower, and on which an appropriate cover awning is arranged.
    The use of the support frame or support frames means that the cover device can basically be kept away from the place to be heated to such an extent that there is enough space for one or more people to work.
    For this purpose, the support frames are of an annular configuration.
    This expression of annular configuration involves not only an annular shape in the mathematical sense of a circle, but also polygonal constructions that are adapted to the round shape of a wind power installation tower or tower segment.
    Preferably, an internal partial covering apparatus is provided for arrangement within the tower segment, which includes a particularly independent structure 5 comprising a support frame or support frames and a cover awning or cover awnings.
    In addition, or alternatively, an external covering device is provided for arrangement externally around the tower segment which, in turn, has at least one covering awning and a support frame.
    Therefore, it may possibly be sufficient to manage only with an external partial coverage device if the external temperature is not too low and the protected position of the space in the first tower segment can guarantee a sufficiently high temperature there.
    Preferably, the at least one support frame has an upper support portion that extends peripherally annularly for attachment to the tower segment.
    Taking this as the basic starting point, the support frame can then be further constructed and in particular it is possible to install struts outside the support to keep the cover awnings away.
    A canopy can comprise a water-impermeable material to provide protection against rain at the same time.
    On the other hand, a canopy awning is not restricted to this, but air-permeable and / or water-permeable materials can also be considered.
    It is possible to provide a high insulation property for those awnings.
    Depending on the respective external temperature, a thin awning may be sufficient, which prevents or at least substantially minimizes air circulation and in particular the escape of hot air by convection.
    Preferably a heating device is provided, in particular a fan heater.
    This heats the air in the space between the junction region and the awning and the awning substantially prevents air heated in this way from escaping.
    It must be repeated that heating to temperatures immediately above the freezing point can often be sufficient to allow the compensating material 5 to harden.
    Preferably, the awning has a light absorbing surface.
    In this way, sunlight can additionally be used to heat.
    Depending on the outside temperature and solar radiation, such heating may be sufficient, or a heating device, such as, for example, a heater with a fan, is additionally employed.
    The invention is described, by way of example, hereinafter, by means of modalities with reference to the attached Figures.
    Figure 1 shows a perspective view from below of a lifting device, Figure 2 shows the lifting device of Figure 1 in a condition of being attached to a tower segment, Figure 3 shows a perspective view of a tower segment elevated by means of a lifting device, together with the lifting device, Figure 4 shows a perspective view of a support loop, Figure 5 shows a perspective view of a centering bar and a centering sleeve, Figure 6 shows a partially assembled condition of the centering bar and the centering sleeve of Figure 5, Figure 7 shows a perspective view of a work platform apparatus, Figure 8 shows a fixing element of the work platform apparatus of Figure 7 before, and after, the connection to a safety rail, Figure 9 shows the connection element of Figure 8 in a condition of being connected to the safety rail, Figure 10 shows a view side view of a work platform apparatus, Figure 11 shows a partially sectioned side view of another embodiment of a work platform apparatus, Figure 12 shows a rear view of a part of a work platform apparatus together with a tower ladder, Figure 13 shows a support device for attaching the work platform apparatus to a tower ladder, Figure 14 shows a perspective view of a first tower segment with a heating apparatus, and the Figure 15 shows a part of a substructure of a heating device within a tower segment. Figure 1 shows a lifting device 1 having four fastening devices 2 for securing a tower segment to the lifting device 1. A release device 4 is associated with each fixing device 2. The release device 4 is here in the form of an apparatus for rotating the respective fixing devices 2 about a respective axis of rotation which is substantially suitably perpendicular. The lifting device 1 has a central support 6 and two cross supports 8 attached to the central support 6. The cross supports 8 are fixed in various positions to the central support 6. Cross support 8 also holds the release devices 4 with their locking devices. fixation 2, in which the release devices 4 are, in turn, arranged movably, more specifically sliding, on the respective transverse support
    8. In this way, the lifting device 1 can be adapted for different tower segment sizes.
    Each fixing device 2 has two retaining arms 10 with a corresponding support pin12. A support loop 14 of a tower segment 16 must be properly received between the two retaining arms 10 of a fixture 2 so that the support pin 12 5 passes through the support loop 14 and thus supports it. Each release apparatus 4 includes an electric motor adapted to rotate fastening devices about a substantially perpendicular axis in order to thus also rotate a support loop 14 received between the retention arms 10, in order to thus provide the respective loop support 14 is screwed out of the tower segment
    16. To control the release devices 4, a release control device 18 is provided, connected by means of connecting arms 20 to the respective release devices 4 to actuate them. The lifting device 1 is lifted by a crane using support cables 22. The respective release device 4 serves at the same time to hold the fixing device 2 in question and the release device 4 can be stopped by means of a respective detent rail 24 on the respective transverse support 8 in predetermined positions that are adapted to the size of the respective shaped segment 16 to be raised. Figure 2 shows the lifting device 1 in a condition of being connected to the tower segment 16, the connection being made by the fixing device 2 by means of four support loops 14, of which only two can be seen through of the indication in Figure 2. The support loops 14 are screwed into the tower segment 16 from above, on an upper fixing surface. After the tower segment 16 has been placed in its proper position - in the present example on the foundation - and the lifting device 1 has been lowered to such an extent that the support loops 14 no longer have to withstand any traction tension worthy of note, and are therefore substantially unloaded, the respective release apparatus 4 rotates the fixing device 2 in order to thus rotate the corresponding support loop 14 and thus unscrew it from the tower segment. 5 Figure 3 shows the lifting device 1 with a tower segment 16 attached to it in a suspended condition and as a general perspective view.
    The support loop 14 which is shown more precisely in Figure 4 has a loop portion 26 and a threaded portion 28. The threaded portion 28 is adapted to be screwed into a corresponding counterpart thread on the tower segment 16. A segment of tower 16 can then be adapted to be raised with a lifting device 1, as shown in Figure 1. For this purpose, the support loops 14 are screwed into the tower segment 16 and project upwards.
    To support the tower segment, the support loops 14 are connected to the corresponding clamping devices 2 and can be raised, as shown in Figure 3. However, after being placed, the clamping device is not released from the loop support bracket 14, but the fixture 2 is rotated by the release apparatus 4, whereby the support loops 14 are also rotated and, as a result, can be released from the tower segment 16. The tower segment 16 then it remains in its proper placement location, where the support loops 14 are already removed and the next tower segment can be placed on the tower segment that was last placed in position.
    Figure 5 shows a centering bar 50 and a centering sleeve 52. The centering bar 50 has a clamping portion 54 and a guide portion 56. The clamping portion 54 is substantially in the form of a threaded pin and carries a guide portion 56 which is tapered and tapers from a side facing towards the clamping portion 54. the guide portion
    56, in this case, is approximately conical in shape.
    The centering sleeve 52 has an opening 58 through which the guide portion 56 of the centering bar 50 can be inserted into a cavity in the centering sleeve 52. From the centering sleeve 52, Figure 5 5 also substantially shows an external contour 60 which basically also indicates the shape of an internal contour of the cavity.
    The centering sleeve 52 is provided to be concreted into a concrete tower segment in the production thereof, so that essentially the opening 58 and also the positioning plate 62 are still accessible on a lower junction surface of the tower segment.
    Positioning plate 62 has two positioning openings 64 to be realized within the segment.
    Prior to the pouring operation, the centering sleeve 52 is placed with the positioning plate 62 facedown on a flat surface, on which a mold for the molding of the tower segment is also arranged.
    Provided on this surface or flat plate, for each centering sleeve 52, are two respective centering lugs that respectively engage the positioning openings 64 and then exactly position the centering sleeve 52. In this case, the positioning plate 62 provides that the sleeve centering 52 is oriented perpendicularly, as precisely as possible, in particular in relation to the outer contour 60 that accommodates the cavity.
    To retain the centering sleeve 52 in the concrete, a retaining plate 66 is provided which can also be referred to as a retaining bracket and which in particular holds the centering sleeve in position in the molding of the concrete.
    In addition, the rounded outer arms 68, which extend peripherally, assist with the provision of a firm retention in the concrete.
    Figure 6 shows the centering bar 50 in a condition of being partially inserted into the centering sleeve 52, for illustration purposes.
    In use, the centering bar 50, more specifically the guide portion 56, is inserted into the centering sleeve only when two tower segments are placed on top of each other, the centering sleeve 52, in this case, is already concreted in. of one of the two tower segments. The work platform apparatus 100 in Figure 7 includes a work cage 102 and a lifting device 104 having a frame arrangement 106. The work platform apparatus 100 is, in this case, attached to a tower ladder 108 provided with ladder stops 110 and a safety rail 112. For this purpose, the lifting device 104 has a loading arm 114 which is fixed non-displacably to the safety rail 112 by means of a fixing portion 116. The backrest arrangement 106 is attached to the loading arm 114 and, in addition, it is attached to the working cage 102 which can then be pulled to a higher position by means of the booklet arrangement.
    The working cage 102 is also non-displacably fixed in a working position to the tower ladder 108. The rack arrangement 106 or the lifting device 104 is completely intended to retain and raise the working cage 102 only during its movement for a highest position.
    Consequently, the lifting device 104 is intended to also retain and raise the working cage 102 substantially only in the unloaded condition, i.e., without working personnel.
    The work cage 102 has a rail 118 with several attachment points to secure the workbook arrangement 106 to raise the work cage 102. The rail 118 is otherwise provided to prevent a person from falling out of the work cage 102 This is assisted by some protective walls 120. Work cage 102 also has a pivotable platform 122 that serves as the floor or floor portion of the work cage
    102. In Figure 7, platform 122 is shown in a position to be pivoted to the side, in which a person can leave working cage 102 in a downward direction. For this purpose, the platform 122 in the position of being pivoted away exposes an appropriate floor opening 5 124. The direction of pivoting movement of the platform is indicated by the arrow
    126. In addition, a pivotable tool box 128 is present which can be pivoted into or out of the working cage 102, when required. It may possibly be appropriate, for reasons of space, when changing the position of the working cage 102 by means of the lifting device 104, pivoting the tool box 128 into the working cage 102. While work operations are carried out outside the working cage 102 or from working cage 102, tool box 128 can be pivoted to a position outside working cage 102 to provide additional space in working cage 102. Figure 8 shows the attachment of the loading arm 114 to the safety rail 112. In this case, the loading arm 114 is attached to the safety rail 112 by means of the fastening portion 116. For this purpose, the fastening portion 116 has a fastening hook 130 which is intended to engage in an elongated opening 132 which can also be referred to as a slit and which is arranged on the rear side of the safety rail 112. For fastening purposes, the loading arm 114 is introduced with its fastening portion 116 and the fixing hook 130 in a slightly inclined position on the safety rail 112 which is in the form of a C-shaped profile element, and is pushed down a little to its fixed position. To prevent it from becoming loose again, a locking pin 134 is provided, which, in the fixed position, engages in the same slot 132 as the fixing hook 130. The fully inserted position is shown as a side view in Figure 9. release the loading arm 114 from the safety rail 112, again the locking pin 134 would have to be manually released by pulling on its actuation head 136. Figure 9 also shows that the loading arm 114 has a plurality of holes clamping 138 providing various clamping positions for the lifting arrangement 106 of the lifting device 104. Different clamping holes 138 can be given different weights.
    In addition, an advantageous pulling direction when lifting the working cage 102 can be selected by a skillful selection of the fixing hole 138. Figure 10 basically shows a side view of the situation in Figure 7. It will also be seen, in this case, that an actuation portion 140 is attached to a cable 142 of the booklet arrangement 106, wherein the cable 142 extends from a position above the working cage 102 through the working cage 102 to a position under the working cage 102 Consequently, the working cage 102 can be pulled to a higher position and then raised from a position under the working cage 102. In this case, the working cage 102 is guided by side guide plates.
    In order to attach to the working cage 102, in particular to the rail 118, the lifting device 104 can provide suitable attached hooks 144 which can also generally be referred to as carabiner hooks.
    Such a secured hook 144 is shown in Figure 10 and is also shown, for example, in Figure 11, on an enlarged scale.
    In addition, Figures 8, 10 and 11 also show stair supports 146, by means of which tower stair 108, including safety rail 112, is attached to an inner wall of the tower, stair support 146 also resulting in a spacing between the tower ladder 108 and the tower wall in question.
    Figure 11 shows a situation similar to that shown in Figure 10, in which the booklet arrangement 106 is secured with its hooks attached 144 to other positions of the working cage 102. Consequently,
    no fixation is provided to the rail 118, as shown in Figure 10, but the fixation is made to a pivot axis 148 around which the platform 122 is to be pivoted, and to other support struts 150 of the working cage 102. The use of the pivot shaft 148 and the struts 150 for the attachment of the 5 hooks 144 provides the possibility to pull the working cage 102 closer to the loading arm 114. This is particularly important when the working cage 102 must be particularly high in the tower and in particular the tower segment the most superior, exactly on which to work.
    It is precisely in the construction of a tower from several segments that it can be advantageous to pull the working cage 102 as high as possible in the tower segment to have a better working position when placing another tower segment in place.
    In this regard, Figure 11 shows the working cage 102 in a partially sectional view.
    More specifically, the booklet arrangement 106 is arranged, according to the situation shown in Figure 11, in the working cage 102, and can then only be seen through the sectional view.
    Figure 12 shows a rear view of the working cage 102, more specifically basically from the view of the tower wall, to which the tower ladder 108 is attached.
    Figure 12 then shows a rear side view 152 of the cage, which has a row of fasteners.
    The working cage is fixed to the rear side 152 of the same by means of six connection devices 154. Each connection device 154 includes, in this case, a locking cursor 156, with which the connection is made between the connection cage work 102 and the rear side 152 thereof.
    The arrow 158 in this case indicates a movement for locking and the arrow 160 indicates a movement for unlocking.
    In addition, three support retainers 162 are provided that position the working cage with respect to height as it is supported on a respective stairway stop 110.
    The detail view in Figure 13 shows a side view of a support retainer 162. The support retainer has a lever 164 shown in Figure 13 in two positions, more specifically in a horizontal resting position and in an inclined deflection position.
    Arrow 166 indicates a deflection movement to the deflected position.
    When the working cage is pulled up and in this case, the support retainer 162 passes a flight of stairs 110, then the flight of stairs 110 will push the support lever 164 into the deflection movement 160 due to this upward movement of the working cage 102 and, with it, the support retainer 162. If the upward movement is continued and the flight of stairs 110 leaves the region of contact with the support lever 164, then the support lever 164 pivots back for the pivoting movement indicated by the arrow 168. In this case, the support lever 164 is supported against a backrest 170. For this purpose, a spring is arranged in the region of the pivot axis 172 of the support lever 164, which, however, it is not shown in the Figures.
    If the working cage 102 is now slightly lowered again, the support lever 164 now rests on the flight of stairs 110 in question and holds the working cage 102. The lowering movement is indicated by the arrow 174. If the work 102 must be lowered further, then it is necessary to prevent the support lever 164 from pivoting back, by means of an appropriately provided locking device.
    Such a locking device is present, but is not shown in the Figures.
    Figure 14 shows a perspective view of a first tower segment 200 placed on the foundation, around which is shown a heating device having an external partial covering device 202. This external partial covering device 202 encloses the region of junction that then cannot be seen between the tower segment 200 and the foundation 204. In this regard, this external partial cover device 202 provides a protective space around the tower segment 200, which is easily accessible to adults with respect to Height and width. People are schematically appointed to illustrate this. The external partial cover apparatus 202 is attached to an upper rail that extends peripherally 206 to the tower segment 200 and is substantially sealed in relation to the first tower segment. In this regard, such a seal is intended substantially to prevent heat from escaping by convection. In addition, a frame is arranged under the outer partial cover apparatus 202, which is also connected to the upper rail that extends peripherally and that substantially determines the outer shape of the outer partial cover apparatus 202. Figure 15 shows a part of a support frame 208 of an internal partial covering device which must be finished. Consequently, Figure 15 shows the internal space in the tower segment
    200. The inner support frame 208 also has a peripherally extending rail, more specifically a peripherally extending rail 210. The view in Figure 15 also schematically shows a person to illustrate the size of the support framework 208 and then the apparatus partial internal coverage to be provided. In addition, the support frame 208, which is essentially provided for the taut attachment of a cover awning, is connected to the support frame 208 to retain it.
    权利要求:
    Claims (27)
    [1]
    1. Lifting apparatus, in particular a transverse lifting beam, for lifting a first tower segment of a concrete tower of a wind power installation by means of a crane, 5 characterized by the fact that it includes: - at least one fixing device for securing the tower segment to the lifting device, and - at least one release device to release a connection between the lifting device and the tower segment.
    [2]
    Lifting device according to claim 1, characterized by the fact that it is adapted to release the connection between the lifting device and the first tower segment in a waste-free manner so that a second tower segment can be appropriately arranged on the tower segment.
    [3]
    Lifting device according to claim 1 or 2, characterized in that the releasing device is adapted to release a connection element, in particular a steel cable loop or screwed eye in the first tower segment, the from the tower segment, in particular to unscrew it.
    [4]
    Lifting device according to claim 3, characterized by the fact that each fastening device is adapted to be connected to the respective steel loop or one of the steel loops and in which each fastening device is provided with one of the devices in order to screw the steel loop connected to the respective fixing device outside the first tower segment.
    [5]
    Lifting device according to one of the preceding claims, characterized in that at least two fastening devices are provided and / or the or each fastening device is adapted to be releasably connected to one or to the wire rope loop ,
    in particular, each fastener has a cross pin portion or a hook portion for insertion or hooking engagement in one of the steel loops to elevate the first tower segment.
    [6]
    6. Lifting device according to one of the preceding 5 claims, characterized by the fact that the or each release device has an electric motor to release the connection between the support device and the first tower segment.
    [7]
    7. Centering bar for fixing a first tower segment of a concrete tower of a wind power installation and for guiding a second tower segment of the concrete tower when the second tower segment is lowered over the first tower segment. tower, characterized by the fact that it includes: - a fixing portion for fixing to the first tower segment, and - a guide portion for guiding the second tower segment.
    [8]
    Centering bar according to claim 7, characterized in that - the fixing portion has an external thread, in particular a metal thread, for threading in the first tower segment, - the guide portion is tapered and it tapers in a direction away from the fixing portion, - the guide portion is made of plastic, and / or - the fixing portion and the guide portion are formed concentrically around a common axis.
    [9]
    9. Pair of centering bars comprising a first and second centering bars according to claim 7 or 8, characterized in that the first centering bar has a smaller guide portion than the second centering bar, particularly smaller by 20% - 70%, preferably smaller by 40% - 60%, where the fixing portions of both center bars are preferably the same size.
    [10]
    10. Centering sleeve for concreting a second tower segment of a concrete tower of a wind power installation 5 and for guiding the second tower segment when being lowered over a first tower segment, characterized by the fact that it includes: - a cavity having an internal contour for receiving a tapered centering bar, - an opening for introducing the tapered centering bar into the cavity, in particular for introducing a centering bar as defined in claim 7 or 8, and - an external contour to retain the centering sleeve on the concrete of the tower segment.
    [11]
    11. Centering sleeve according to claim 9, characterized in that - the centering sleeve is substantially made of plastic, and / or - at least a positioning portion is provided, in particular an opening and / or a projection , for the precise positioning and / or fixing of the centering sleeve on a concrete mold and / or on a support surface for molding the second concrete segment to shape the centering sleeve within the second concrete segment in such a way that the opening for inserting the centering bar remains not closed.
    [12]
    12. Centering set, characterized in that it includes at least one centering bar as defined in claim 7 or 8 and a centering sleeve adapted to the centering bar as defined in claim 10 or 11.
    [13]
    13. Tower segment of a concrete tower, characterized by the fact that it comprises at least one centering bar sleeve according to claim 10 or 11, embedded in it.
    [14]
    14. Work platform apparatus for working at a variable height on a tower or tower portion of a wind power installation including 5 - a work cage to accommodate a person for work on the tower at a variable height, and - a fixing portion for the accident-proof attachment of the work cage to a tower ladder provided with a safety rail.
    [15]
    Work platform apparatus according to claim 14, characterized in that the work cage has a floor portion and the floor portion can be opened so that a floor opening is formed through which an adult you can leave the work cage in a downward direction.
    [16]
    16. Work platform apparatus according to claim 15, characterized by the fact that the bottom opening is such that the person when leaving the working cage through the floor opening when the working cage is fixed to the ladder. The tower can remain constantly fastened with a safety belt by means of a safety cursor to the safety rail and in particular the person can guide the safety cursor on the rail when leaving the work cage.
    [17]
    17. Work platform apparatus according to one of claims 14 to 16, characterized in that it includes: - a lifting device to be attached to the tower ladder, to pull up the work cage along the ladder. tower provided with the safety rail from a first working position to a second working position higher than the first working position.
    [18]
    18. Work platform apparatus according to claim 17, characterized in that the lifting device has a hoist arrangement and / or a deflection device for deflection of a support cable, wherein the hoist arrangement or the deflection element is adapted to attach to the tower ladder or safety rail.
    [19]
    19. Heating apparatus for heating a junction region that extends peripherally annularly between a tubular segment 5 of the tower with a segment wall that extends peripherally and a tower foundation of a wind power installation in the construction of the wind power installation , characterized by the fact that it includes: - one or more cover awnings to cover the junction region, and - one or more annular support frames to support the or one of the cover awnings, in which there is enough space for at least one adult between the junction region and the cover awning.
    [20]
    20. Heating apparatus according to claim 19, characterized by the fact that - an internal partial coverage device is provided for arrangement inside the tower segment, having one of the cover awnings and one of the support frames, and / or - an external partial cover device is provided for external arrangement around the tower segment, having one of the cover awnings and one of the support frames.
    [21]
    21. Heating apparatus according to claim 19 or 20, characterized in that the or each support frame has an upper support portion that extends peripherally annularly for attachment to the tower segment.
    [22]
    22. Heating apparatus according to one of claims 19 to 21, characterized in that it includes at least one heating device, in particular a heater with a fan, to heat the air in the space between the junction region and the awning. roof.
    [23]
    23. Method for erecting a tower of a wind power installation, characterized by the fact that it includes the steps: - arranging a first tower segment on the foundation, and / or - arranging a heating device, in particular as defined in 5 one of claims 19 to 22 on the tower segment and covering a junction region that extends peripherally annularly between the tower segment and the foundation tower, and / or - arranging a work platform apparatus, in particular as defined in a claims 14 to 18, for working at a variable height on the tower or tower portion on a tower staircase, and - placing another tower segment on the first tower segment, and / or - moving a lifting device from the tower work platform apparatus to an upper region of the tower ladder on the other tower segment and pull up a working cage from the work platform apparatus along the tower ladder to the upper region the tower ladder, in particular manually.
    [24]
    24. Method according to claim 23, characterized in that - the first tower segment is provided with a first and a second centering bars on its upper side, in particular as defined in one of claims 7 to 8, - the other tower segment is partially lowered over the first tower segment in such a way that a first centering bar partially engages a corresponding first centering recess on the underside of the other tower segment, - the other tower segment is pivoted around an axis of the first centering bar and the corresponding first centering receiving device until a second centering receiving device on the underside of the other tower segment is arranged approximately above the second centering bar, and - the other segment of the tower is completely lowered, where the first and second centering bars engage the first and second 5 centering recesses respectively in such a way that the other tower segment is guided to its desired orientation position on the first tower segment.
    [25]
    25. Method according to claim 24, characterized in that the other tower segment or another tower segment is raised and lowered with a lifting device as defined in one of claims 1 to 6.
    [26]
    26. Method of raising and lowering a tower segment of a concrete tower of a wind power installation, characterized by the fact that it includes the steps: - hooking up at least two fixing devices for a crane lifting device in a respective a steel cable tie screwed into the tower segment, - lift the tower segment and place it on another tower segment, and - unscrew each steel cable tie out of the tower segment using an appropriate lifting device release device.
    [27]
    27. Method according to claim 26, characterized in that a lifting device as defined in one of claims 1 to 6 is used to raise and lower a tower segment.
    类似技术:
    公开号 | 公开日 | 专利标题
    BR112013018604A2|2020-08-04|lifting device, centering sleeve, centering bar, pair of centering bars, centering set, work platform device, heating device, and method for erecting a tower of a wind power installation
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    同族专利:
    公开号 | 公开日
    KR20150090267A|2015-08-05|
    CN105035939A|2015-11-11|
    JP6282572B2|2018-02-21|
    JP6038098B2|2016-12-07|
    CY1116401T1|2017-02-08|
    DK2556008T3|2015-06-01|
    ES2658437T3|2018-03-09|
    DK2803617T3|2018-02-05|
    PT2556008E|2015-08-21|
    HRP20150718T1|2015-08-28|
    EP2556008B1|2015-04-22|
    CN105020228B|2019-04-02|
    DK2803616T3|2021-08-02|
    CY1118427T1|2017-06-28|
    SI2556008T1|2015-07-31|
    MX336620B|2016-01-26|
    US9534416B2|2017-01-03|
    JP2015092078A|2015-05-14|
    HRP20161445T1|2016-12-16|
    CA2823982A1|2012-08-02|
    AR085029A1|2013-08-07|
    CN103476696B|2015-10-21|
    EP2805909A1|2014-11-26|
    DK2805909T3|2017-01-23|
    JP2014511448A|2014-05-15|
    TWI480453B|2015-04-11|
    EP2805909B1|2016-10-12|
    RS54062B1|2015-10-30|
    SI2805909T1|2017-01-31|
    CN105020228A|2015-11-04|
    US20160069099A1|2016-03-10|
    WO2012101023A2|2012-08-02|
    EP2803616B1|2021-06-16|
    RS55347B1|2017-03-31|
    HUE030304T2|2017-04-28|
    KR20130135897A|2013-12-11|
    EP2803616A1|2014-11-19|
    RU2013139358A|2015-03-10|
    CA2823982C|2016-09-06|
    AU2012210698B2|2016-03-17|
    NZ613000A|2015-09-25|
    PT2805909T|2017-01-12|
    JP2015072013A|2015-04-16|
    ES2541637T3|2015-07-22|
    PL2556008T3|2015-09-30|
    PT2803617T|2018-03-13|
    DE102011003164A1|2012-07-26|
    AU2012210698A1|2013-08-01|
    WO2012101023A3|2012-10-04|
    LT2805909T|2017-01-10|
    EP2556008A2|2013-02-13|
    KR20150090266A|2015-08-05|
    EP2803617A1|2014-11-19|
    JP5860902B2|2016-02-16|
    MX2013008532A|2013-08-12|
    TW201235536A|2012-09-01|
    CN103476696A|2013-12-25|
    ZA201304951B|2014-02-26|
    KR101665169B1|2016-10-11|
    CL2013002121A1|2014-06-27|
    EP2803617B1|2017-12-27|
    ES2611830T3|2017-05-10|
    PL2805909T3|2017-03-31|
    CN105035939B|2018-04-27|
    HUE026787T2|2016-07-28|
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    法律状态:
    2020-08-18| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-11-03| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-02-23| B11B| Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements|
    2021-11-03| B350| Update of information on the portal [chapter 15.35 patent gazette]|
    优先权:
    申请号 | 申请日 | 专利标题
    DE102011003164.2|2011-01-26|
    DE102011003164A|DE102011003164A1|2011-01-26|2011-01-26|Method and device for erecting a tower of a wind energy plant|
    PCT/EP2012/050729|WO2012101023A2|2011-01-26|2012-01-18|Method and device for erecting a tower for a wind energy plant|
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