• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a suspension arrangement for a contact line comprising: a fastening arrangement for attaching the suspension arrangement to a supporting structure, a support unit comprising a contact wire holder and a GD. carrier line holder, a link arm arrangement arranged between said fastening arrangement and said carrier unit. The carrier unit is movable between an active position, in which it is operative to supply power to a train, and an inactive position, in which vertical access to said train is permitted. The link arm arrangement is hingedly connected to an upper fastening means and a lower fastening means of said fastening arrangement and at least one of said fastening means. said lower fastening means comprises lever operative for moving the carrier unit while maintaining vertical orientation both within and outside the pre-power supply operating area Publication image figure 1.
    公开号:SE1150727A1
    申请号:SE1150727
    申请日:2011-07-29
    公开日:2013-01-30
    发明作者:Bengt Hoppe
    申请人:Elek Fierade Lastplatser Sverige Ab；
    IPC主号:
    专利说明:

    N U 20 25 30 35 overhaul of the truck must occur. In previously known solutions, this problem has been solved by using railway yards without overhead lines, which means that electric trains cannot be used when moving within the railway yard. A disadvantage of this is that special railway yards must be built and staff engaged for switching and connecting the trains.
    Another alternative to solving the described technical problem is to move the catenary to an inactive position that allows vertical access to the train, which solution can be found in, for example, DE1803762. The main disadvantage of this solution is that a carrier line is not used, whereby the use is limited to more primitive types of contact wires, for example contact wires which only consist of one contact wire.
    Yet another solution to the described technical problem can be found in EPl4l4667. This solution utilizes a rotation of the entire link arm arrangement to an inactive position, in which the contact wire is rotated during the movement.
    A twisting of the contact line is not desirable, because the contact line is exposed to a twisting moment which can cause fatigue failure. Furthermore, modern overhead contact lines are constructed with a support line which carries a contact wire by means of support wires, in such a construction the contact wire is effective for the power supply of the train. A contact wire of this type is particularly sensitive to twisting, because the contact wire is usually made of a hard and abrasion-resistant material, which usually results in the contact wire being brittle.
    A further problem with the solution described in EP1444667 is that in the inactive position the carrier line will not support the contact wire, which results in the contact wire being subjected to unnecessary stresses, which in the long run can give fatigue-related fractures.
    SUMMARY The present invention aims to obviate the above-mentioned disadvantages and shortcomings of prior art suspension arrangements for a catenary and to provide an improved suspension arrangement for a catenary.
    By vertical is meant in the present text that the orientation is mainly vertical, thus a certain angle of rotation is allowed from the vertical line and the orientation should nevertheless be considered to be vertical.
    A basic object of the invention is to provide an improved suspension arrangement for a overhead contact line of the initially defined type, which allows vertical loading and access of a train.
    A further object of the present invention is to provide a movable suspension arrangement for a contact line which does not subject the contact line to unnecessary mechanical stresses in either the active or the inactive position or when moving therebetween.
    The set object is achieved according to the invention in that an arrangement of the initially specified type has the special feature that a link arm arrangement is arranged for moving a carrier unit, which carrier unit comprises a carrier line holder and a contact wire holder, the carrier unit being moved while maintaining vertical within both and outside the area of power supply.
    By the carrier unit maintaining its vertical orientation in the inactive position, a large available load area is obtained compared with prior art where the carrier unit changes its vertical orientation and thereby occupies a larger horizontal space.
    Because the carrier unit in the inactive position is oriented in such a way that its vertical orientation is maintained, the carrier line mounted in the carrier line holder will support the contact wire mounted in the contact wire holder also in the inactive position. Furthermore, the contact wire will not be subjected to unnecessary forces and torques, which is of great importance as a normal contact wire is relatively brittle due to its hardness.
    In a preferred embodiment, a link arm arrangement comprises at least one compensation joint which is arranged between a fastening arrangement and the link arm arrangement, the compensation joint allowing rotational movement of the link arm arrangement in a horizontal direction relative to the attachment arrangement. Thereby the further advantage is gained that the suspension arrangement can accommodate changes in length of the contact wire and the support line supported by the carrier unit, which length changes can be caused by temperature changes of the contact wire and / or the support line.
    According to a further preferred embodiment, said link arm arrangement set comprises at least one insulator, said at least one insulator being arranged to electrically insulate said carrier unit from said fastening arrangement.
    Electrical insulation of the carrier unit is desirable so that the entire suspension arrangement does not become live with the risk of overheating to adjacent devices and living beings.
    According to a further preferred embodiment, said link arm array comprises an upper arm, a lower arm and a strut. The upper arm comprises at a first end a first fastening member and is at a second end hingedly connected to the strut, furthermore the upper arm comprises a first insulator which is arranged between the first end and the second end of the upper arm. The lower arm comprises at a first end a second fastening member and is at a second end hingedly connected to the strut, further the lower arm comprises the second insulator which is arranged between the first end and the second end of the lower arm. The strut articulated interconnects the upper arm with the lower arm, and supports said support unit.
    By designing the link arm arrangement in this way, it becomes both simple and inexpensive as it assumes the form of a parallelogram with opposite parallel sides.
    According to a further preferred embodiment, the first fastening means of the upper arm are hingedly connected to the upper fastening means of the fastening arrangement, furthermore the second fastening means of the lower arm are hingedly connected to the lower fastening means of the fastening arrangement. With this embodiment, the carrier unit, which is arranged connected to the link arm arrangement, can be easily rotated between the active and the inactive position by deforming the parallelogram formed in the link arm arrangement by a pivoting of the lower arm and the upper arm.
    According to a further preferred embodiment, the second insulator is located at a distance from the first end of the lower arm which is equal to the sum of: the distance between the upper fastening means and the lower fastening means of and the distance between the upper In this way the fastening arrangement, the fastening means and the first insulator. it is ensured that the required electrical insulation distances are maintained in the active position and in the inactive position, respectively.
    According to a further preferred embodiment, at least one of the upper fastening means and the lower fastening means of the fastening arrangement comprises a lever operative for moving the carrier unit between the active position and the inactive position. By using a lever for the movement of the carrier unit, a linear movement can easily be transmitted to a pivoting movement, which results in a simplified mechanical construction.
    According to a further preferred embodiment, the lever comprises an actuator operative for the movement of the carrier unit between the active position and the inactive position. In this way, remote operation and remote control of the carrier unit between the active and the inactive position is made possible, as an actuator can easily be designed for electrical control and operation.
    According to a further preferred embodiment, the actuator comprises an electric motor and a ball screw. This is a simple design of a linear actuator that can be made both cheap and mechanically robust with an effective securing of the linear position of the actuator.
    BRIEF DESCRIPTION OF THE DRAWINGS A more complete understanding of the above and other features and advantages of the present invention will become apparent from the following detailed description of preferred embodiments with reference to the accompanying drawings, in which: Fig. 1 is a side view of a suspension arrangement for a contact line in an active position arranged on a post next to a railway track, Fig. 2 is a side view of a suspension arrangement for a contact line in an inactive position arranged on a post next to a railway track, Fig. 3 is a side view of a suspension arrangement for a contact line Fig. 4 is a side view of a carrier unit connected to a strut of the link arm arrangement, Fig. 5 is a side view of a suspension arrangement for a contact line, Fig. 6 is a side view of a suspension arrangement for a contact line, NOW DETAILED DESCRIPTION Reference is made initially to Figures 1 and 2, which show an invention according to the invention mounting arrangement, generally designated 1, for a contact line, which suspension arrangement 1 is arranged on a supporting structure, for example a post 2, located next to a railway barrier 3.
    A conventional overhead contact line comprises a support line and a contact wire as well as several support wires. The carrying rope hangs above the contact trees and supports the contact trees by means of berry trees.
    This type of overhead contact line is today the most used for most types of rail traffic.
    Figure I shows the suspension arrangement I in an active position, in which the suspension arrangement 1 is operative for supplying power to an electric train (not shown) located on the railway track 3.
    Figure 2 shows the suspension arrangement I in an inactive position, in which the suspension arrangement 1 allows vertical access of said electric tag. Vertical eating access as both It is also advantageous to the train is advantageous when loading goods, traverses and cranes can be used. with vertical access to the train when loading by truck when the truck driver does not have to take into account the limited vertical space, which is especially limiting when loading bulky goods that completely or partially obscure the view within the area above the train.
    Reference is now made to Figure 3, in which a preferred embodiment of the suspension arrangement 1 according to the invention is described.
    The suspension arrangement 1 comprises a fastening arrangement 4, for fixed or releasable connection to a supporting structure, for example a wall, a post or a truss structure. In the exemplary embodiment shown, a post 2. The suspension arrangement 1 further comprises a carrier unit 5 which comprises a carrier line holder 6 and a contact wire holder 7.
    Furthermore, the suspension arrangement 1 comprises a link arm arrangement 8, which link arm arrangement 8 is arranged between the fastening arrangement 4 and the carrier unit 5.
    The carrier unit 5 is movable between an active position and an inactive position, which positions are shown in figure 1 and figure 2, respectively. In the active position the carrier unit 5 is active for supplying power to a train and in the inactive position vertical access to the train is allowed. In both the active and the inactive position of the carrier unit 5, the vertical orientation of the carrier unit 5 is maintained. In order to mount a contact wire of the above-mentioned type, the carrier unit 5 must comprise both a carrier line holder 6 and a contact wire holder 7. The carrier line holder 6 and the contact wire holder 7 are arranged to hold the carrier line and the contact wire in the carrier unit 5, respectively.
    This means that a contact line carried by the carrier unit 5 will not be subjected to unnecessary mechanical stresses in either the active or the inactive position or when moving between them, which is of great importance for the service life of the contact line. This is achieved by maintaining the vertical orientation of the carrier unit 5 and thereby the vertical orientation of the contact line.
    According to a preferred embodiment of the invention, the fastening arrangement 4 comprises an upper fastening member 9 which is arranged to be fastened to a supporting structure, which in this exemplary embodiment is a post 2. The upper fastening member 9 comprises an upper fastening joint 10 which allows movement in a plane parallel to the post. 2 longitudinal direction. This upper attachment joint 10 allows the movement 10 between the inactive position and the active position of the carrier unit 5.
    The upper fastening joint 10 is arranged to be connected to an upper compensating joint 11 which articulated connects the upper fastening joint 10 to the link arm arrangement 8 for a rotating movement about the longitudinal axis of the post 2. This rotating movement is intended to compensate for length changes of the contact wire and the support line supported by the carrier unit 5, which length changes can be caused by temperature changes of the contact trees and / or the support line.
    In a preferred embodiment of the invention, the link arm arrangement 8 comprises at least one electrical insulator, which is arranged to electrically insulate said carrier unit 5 from the fastening arrangement 4.
    According to the described preferred embodiment of the invention, the fastening arrangement 4 also comprises a lower fastening member 12 which is arranged to be fastened to a supporting structure which in this embodiment is a post 2. The lower fastening means 12 comprises a lower fastening joint 13 which allows movement in a plane parallel to the post. 2 longitudinal direction. This lower attachment joint 13 allows the movement between the inactive position and the active position of the carrier unit 5.
    The lower fastening joint 13 is arranged to be connected to a lower compensating joint 14 which articulated connects the lower fastening joint 13 to the link arm arrangement 1 for a rotating movement about the longitudinal axis of the post 2. This rotating movement is intended to compensate for changes in length of the contact trees and the support line supported by the carrier unit 5, which changes in length can be caused by temperature changes in the contact wire and / or the support line. Said compensation joints 11,14 are in a preferred exemplary embodiment arranged to allow a rotation of a maximum of 180 degrees.
    The link arm arrangement 8 comprises an upper arm 15 which at a first end comprises a first fastening means which is connected to the upper compensation joint 11 and at the other end is hingedly connected to a strut 16. Between the first end of the upper arm 15 and the second end is a first insulator 17 arranged.
    This first insulator 17 electrically insulates the first end of the upper arm 15 from the second end.
    The control arm arrangement 8 also comprises a lower arm 18 which at a first end comprises a second fastening means which is connected to the lower compensation joint 14 and at the other end is hingedly connected to the strut 16. Between the first end of the lower arm 18 and the second end is a second insulator 19 arranged.
    This second insulator 19 electrically insulates the first end of the lower arm 18 from the second end.
    In this exemplary embodiment, the support line holder 6 is connected to the strut 16. The support unit 5 is connected to the strut 16. and is located above the contact tree holder 7 which is also connected to the strut 16.
    Because the first and second ends of the arms 15, 18 of the link arm arrangement are insulated from each other, the carrier unit 5 will be electrically insulated from the fastening arrangement 4.
    The technical effect of the link arm arrangement 8 being arranged as above is that the parallelogram formed by the upper arm 15 and the lower arm 18 and the strut 16 can be deformed by a pivoting of the lower arm 18 and the upper arm 15. The pivoting results in the strut 16 will be moved in an arcuate movement between the active position and the inactive position towards the post 2. During the whole arcuate movement the longitudinal axis of the strut 16 will be substantially parallel to the longitudinal axis of the post 2 whereby the support unit 5 will maintain its vertical orientation throughout the movement.
    To ensure that the required electrical insulation distances in the active and inactive positions are met, it is preferred that the second insulator 20 be located at a distance from the first end of the lower arm 18 which is equal to the sum of the distance between the upper fastener 10 and the the lower fastener 12 along the post 2 and the distance between the upper fastener 10 and the first insulator 17 along the upper arm 18.
    The movement between the active position and the inactive position of the carrier unit 5 is caused in a preferred embodiment of the invention by a lever 20 which is arranged in the fastening joint 13 of the lower fastening member 12 of the fastening arrangement 4. The lifting point of the lever 20 is arranged in the lower fastening joint. the first end of the lever connected to the lower compensation link 13.
    Said lever 20 is thus effective for deforming the parallelogram by rotating the lower arm 18.
    The other end of the lever 20 is arranged to be hingedly connected to an actuator 21. cause the movement between the active position and the By actuating an actuator to the inactive position by means of the lever 20, the movement can be easily remotely operated. Remote operation is of great interest as a plant comprising several suspension arrangements 1 is to be operated simultaneously to provide access for loading a train.
    A preferred embodiment of the actuator 21 comprises a ball screw 22 and an electric motor 23. The ball screw 22 is hingedly connected to the other end of the lever 20, whereby the ball screw 22 causes pivoting of the lever 20 and the lower arm 18 is pivoted upwards, in a plane parallel to the post 2 in the preferred embodiment. The parallelogram driven by the lever 20 is deformed by the movement of the lever 20. In alternative embodiments, the lower arm 18 may instead be pivoted downward. In still other embodiments, the lever 20 may be arranged to act on the upper arm 15 to move the link arm arrangement 8 between the inactive position and the active position.
    Reference is now made to Figure 4 where a further embodiment of the carrier unit 5 is shown. The carrier unit 5 comprises a carrier line holder 6 and a contact wire holder 7 connected by means of a carrier unit rod 24. The carrier unit rod 24 is in turn connected to a carrier unit arm 25 which is connected to the rod 16 of the link arm arrangement 8.
    In a further preferred embodiment, said compensation joints 11, 14 can be arranged to allow a pivoting of the link arm arrangement 8 around the longitudinal direction of the post 2 to allow a movement between an inactive and an active position. This movement means that the link arm arrangement is not deformed but only folded away.
    In the embodiments described below, only that which distinguishes these embodiments from previously described embodiments is described.
    Reference is now made to Figure 5, in which a preferred embodiment of the suspension arrangement 1 according to the invention is described. In this preferred embodiment, said upper fastening means 9 is arranged on the free end of the post 2 and said lower fastening means 12 is arranged on the side of the post 2 at a distance along the post 2 from the upper fastening means 9. The upper fastening means 9 is arranged in such a way that it the upper fastening joint 10 is located at a greater distance from the strut 16 of the link arm arrangement 8 than the distance from the lower fastening joint 13 of the lower fastening member 12 to said strut 16. This placement of the fastening means 9, 12 means that the center of rotation of the upper fastening joint 10 will be displaced a greater horizontal distance from the struts 16 of the link arm arrangement 8 than the center of rotation 13 of the lower fastening joint 13.
    The articulated connection of the upper arm 15 to the strut 16 of the link arm arrangement 8 is also displaced by a horizontal distance in the direction of the post 2 relative to the articulated connection of the lower arm 18 to the strut 16 of the link arm arrangement 8.
    Such a displacement of the center of rotation of the upper attachment joint 10 and the articulated connection between the upper arm 15 and the strut 16 means that the upper arm 15 and the lower arm 18 of the link arm arrangement 8 in the inactive position can be made to be vertical or almost vertical. without being prevented from colliding by the upper arm 15 and the lower arm 18, whereby the accessible area for loading, when the suspension arrangement 1 is in the inactive position, is increased.
    Reference is now made to Figure 6, in which a preferred embodiment of the suspension arrangement 1 according to the invention is described. This preferred embodiment differs from the embodiment described in Figure 5 in that the upper fastening member 9 as well as the fastening joint 10 are located on the side of the post 2. The horizontal displacement takes place in this preferred embodiment in that the lower fastening joint 13 of the lower fastening member 12 is displaced out of the post 2 in the direction of the carrier unit 5, whereby the center of rotation of the fastening joint 13 is displaced to the desired horizontal distance.
    Thus, the embodiments shown in Figures 5 and 6 are based on the insight that by a horizontal displacement of at least two centers of rotation of the suspension arrangement 1, the accessible area for loading, when the suspension arrangement 1 is in the inactive position, can be increased.
    In a further illustrated embodiment, the contact wire holder 7 is mounted with a resilient arm at the carrier unit 5. A resilient suspension of the contact wire holder 7 reduces the bounces between the pantograph of the train and the contact wire, whereby higher speed of the train is allowed.
    It should also be pointed out that all information about / concerning terms such as upper, lower etc., should be interpreted / locked with the equipment oriented in accordance with the figures, with the drawings oriented in such a way that the reference designations can thus, be locked in a correct way. such terms only indicate mutual relations in the embodiments shown, which conditions can be changed if the equipment according to the invention is provided with a different construction / design.
    It should be pointed out that even if it is not explicitly stated that wounds from one specific design can be combined with the wounds in another design, this should be considered obvious when possible.
    权利要求:
    Claims (10)
    [1]
    Suspension arrangement 1 for a contact line comprising: - a fastening arrangement 4 for attaching the suspension arrangement 1 to a supporting structure 2, - a support unit 5 comprising a contact wire holder 7 and a support line holder 6, - a link arm arrangement 8 arranged between said fastening arrangement 4 and said carrier , the carrier unit 5 being movable between an active position, in which it is operative for powering a train, and an inactive position, in which vertical access to said train is allowed, characterized in that the link arm arrangement 8 is arranged for moving the carrier unit 5 with maintained vertical orientation both within and outside the power supply area
    [2]
    Suspension arrangement 1 for a contact line according to claim 1, wherein said link arm arrangement 8 comprises at least one compensation joint 11, 14, which is arranged between said fastening arrangement 4 and said link arm arrangement 8, said compensation joint 11,14 allowing rotational movement of said link arm arrangement 8 in a horizontal arm arrangement. direction relative to said fastening arrangement 4.
    [3]
    Suspension arrangement 1 for a contact line according to claim 1 or 2, at least one insulator 17,19, wherein said link arm arrangement 8 comprises said at least one insulator 17,19 being arranged to electrically insulate said carrier unit 5 from said fastening arrangement 4.
    [4]
    Suspension arrangement 1 for a contact line according to claim 3, wherein said link arm arrangement 8 comprises a first insulator 17 and a second insulator 19. 15 15 20 25 30 35 16
    [5]
    Suspension arrangement 1 for a contact line according to claim 4, wherein said link arm arrangement 8 comprises, an upper arm 15, a lower arm 18 and a strut 16, wherein - the upper arm 15 at a first end comprises a first fastening means and at a second end is hingedly connected to said strut 16, further said upper arm 15 comprises the first insulator 17 arranged between said first end and said second end of said upper arm 15, the lower arm 18 in a first end comprises a second fastening means and in a second end is hingedly connected to said strut 16, further said lower arm 18 comprises the second insulator 19 arranged between said first end and said second end of said lower arm 18, the strut 16 articulated connects said upper arm 15 to said lower arm 18, and carries said carrier unit 5.
    [6]
    Suspension arrangement 1 for a contact line according to claim 5, wherein said first fastening means of said upper arm 15 of said link arm arrangement 8 is hingedly connected to an upper fastening member 9 of the fastening arrangement 4, further said second fastening means of said lower arm 18 of said link arm arrangement 8 articulated connected to a lower fastening member 12 of the fastening arrangement 4.
    [7]
    Suspension arrangement 1 for a contact line according to claim 6, wherein said second insulator 19 is located at a distance from the first end of said lower arm 18 which is equal to the sum of: the distance between said upper fastening means 9 and said lower fastening means 12 of the fastening arrangement 4, and - the distance between said upper fastening means 9 and said first insulator 17.
    [8]
    Suspension arrangement for a contact line according to claim 6, wherein at least one of said upper fastening means 9 and said lower fastening means 12 of the fastening arrangement 4 comprises a lever 20 operative for moving the support unit 5, which is supported by the link arm arrangement 8, between the active position and the inactive position.
    [9]
    A suspension arrangement 1 for a contact line according to claim 7, wherein said lever 20 comprises an actuator 21 operative for said movement of the carrier unit 5 between the active position and the inactive position.
    [10]
    Suspension arrangement for a contact line according to claim 8, wherein said actuator 21 comprises an electric motor 23 and a ball screw 22.
    类似技术:
    公开号 | 公开日 | 专利标题
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    同族专利:
    公开号 | 公开日
    DK2551148T3|2016-08-15|
    SE535969C2|2013-03-12|
    EP2551148B1|2016-05-04|
    EP2551148A2|2013-01-30|
    ES2585038T3|2016-10-03|
    PL2551148T3|2017-01-31|
    EP2551148A3|2014-10-22|
    引用文献:
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    JP6666531B2|2015-02-18|2020-03-18|三和テッキ株式会社|Trolley wire suspension position adjusting device and method|
    CN106865407A|2017-03-23|2017-06-20|江苏华威线路设备集团有限公司|One kind is bumped into clamp rail and mating fastener for nuclear power engineering concrete|
    NL2025211B1|2020-03-26|2021-10-20|Volkerwessels Intellectuele Eigendom B V|Suspension arrangement for an overhead contact wire for an electrically propelled vehicle|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1150727A|SE535969C2|2011-07-29|2011-07-29|Suspension arrangement for a contact line|SE1150727A| SE535969C2|2011-07-29|2011-07-29|Suspension arrangement for a contact line|
    ES12178042.3T| ES2585038T3|2011-07-29|2012-07-26|Suspension provision for an airline|
    DK12178042.3T| DK2551148T3|2011-07-29|2012-07-26|Suspension device for an overhead line|
    PL12178042T| PL2551148T3|2011-07-29|2012-07-26|Suspension arrangement for an overhead line|
    EP12178042.3A| EP2551148B1|2011-07-29|2012-07-26|Suspension arrangement for an overhead line|
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