• 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 invention relates to a quick-locking lifting device for supporting and taking place at a selected angle mounting the bearing housing of a paper machine or board machine roller to a counter element, and the lifting device (10) -A lifting point (18) on the bearing housing (20), one with a Lifting means (22) to be operated lifting arm (24) and thereon a support point (28) forming slot (26), at least one support arm (30), adapted to the support point (28) of the lifting arm (24) and the lifting point (18 ) of the bearing housing (20) to each other -auslenkmittel (38) for displacing the lifting point (18) of the bearing housing (20) in the lateral direction, -Bolt connecting means (40) at the lifting point (18) of the bearing housing (20), the at least one A slot (42) on said bearing housing (20) and an opening (44) in the support arm (30) and a bolt (46) interconnecting said slot (42) and said opening (44), and displacement means (38) acting in relation to said bolt connection means (40).
    公开号:AT514366A2
    申请号:T503272014
    申请日:2014-05-12
    公开日:2014-12-15
    发明作者:Juha Vimpari；Ville Eronen
    申请人:Valmet Technologies Inc；
    IPC主号:
    专利说明:

    1 AT 71698
    QUICK LOCKABLE HUB
    The invention relates to a quick-locking lifting device for supporting the bearing housing of a paper machine or board machine roller and for mounting to a counter-element in a selected angle, wherein the roller of a belt-coated roller, for example, a shoe roll, and the lifting device - a lifting point on the bearing housing, - a lift arm to be actuated with a lifting means and a slot (ie a slot) forming a support point thereon, - at least one support arm adapted to interconnect the support point of the lift arm and the lifting point of the bearing housing, and - deflection means for Displacement of the lifting point of the bearing housing in the lateral direction comprises.
    In the manufacturing process of a fibrous web is usually at least one provided with a strip jacket roller, for example, a shoe roll in the maintenance of the band jacket for replacing the same detached from the end faces of the shoe roll and pulled out in the longitudinal direction of the roll body at one end of the shoe roll. For the duration of the maintenance, the shoe roll must be separated from the backing roll with which it has a nip, 2/26 AT 71698 2 i. forms a press nip, to be lifted. Each time the belted shoe roll has been removed from the fiber web machine, it is then returned to its place on the backing roll with a quick-lock lifting device.
    When the shoe roll is fitted back against its counter roll, the abutment surfaces of the bearing housing of the shoe roll and the counter roll must be aligned with each other. Often, the shoe roll and its counter rolls in the nips are so aligned relative to each other that the line runs obliquely to the vertical. Then also the abutment surfaces of the bearing housing are inclined to the horizontal. Further, the mutual locking means between the bearing housings of the shoe roll and the counter roll must be aligned with each other.
    From the prior art ago known from the document US 5,404,811 A such a lifting device in which the bearing housing of the shoe roll a support arm is mounted laterally adjustable, which in turn is attached by means of a separate intermediate piece with a second length-adjustable support arm to the lifting device. In the intermediate piece is still a separate lateral adjustment available, with the intermediate piece is moved in the lateral direction. With the settings, the bearing housing of the shoe roll and the counter roll with respect to the 3/26 AT 71698 3
    Stop surfaces and locking means aligned. As a whole, this setup is quite complicated, and making one setting affects the other two settings, so that the overall setting process is difficult to control. Further, the mutual attachment of shoe roll and support arm is structurally such as to further increase the complexity of adjustment, thereby making it difficult to align the bearing housings of the shoe roll and the backing roll.
    This invention has for its object to provide a simpler compared to the solutions of the prior art quick-lock lifting device, which is also in terms of removing the band jacket is more advantageous than the lifting devices of the prior art.
    This object is achieved with a quick-locking lifting device for supporting and taking place at a selected angle mounting the bearing housing of a paper machine or board machine roller to a counter element, which roller consists of a roll with a band jacket, for example a shoe roll. The lifting device includes a lifting point on the bearing housing, a lifting arm to be actuated with a lifting device and a slot forming a support point thereon, at least one supporting arm adapted to support the lifting arm and the 4/26 AT 71698 4
    Lifting point of the bearing housing to connect together, as well as deflection means for the displacement of the lifting point of the bearing housing in cross-sectional plane in the lateral direction. Further, the lifting device comprises at the lifting point of the bearing housing bolt connecting means consisting at least of a slot on the bearing housing and an opening in the support arm and a bolt which connects the slot and the opening with each other. The deflection means are arranged in connection with the bolt connection means and serve for the lateral displacement of the lifting point. With the solution according to the invention, an astonishingly simple lifting device is obtained, in which the alignment of the abutment surfaces of the bearing housings is simpler than in the solutions according to the prior art. In addition, one achieves a considerably simpler construction with the solution according to the invention than in the lifting devices according to the prior art.
    The lifting point preferably consists of the same casting as the bearing housing or of a correspondingly shaped part fixedly secured thereto. In this way, the attachment of the bearing housing on the support arm can be done without separate spacers.
    Preferably, the lifting device also comprises at the support point upper bolt connecting means consisting of a slot in the lift arm and an opposite upper slot in the support arm and an upper bolt connecting these elongated holes. With the upper bolt connection means, the connection of the support arm to the lift arm can also be formed in an advantageous and adjustable way.
    Preferably, the lower deflection means are integrated into the bearing housing and thus need not be released from the bearing housing in any phase, thereby reducing their Einstellbedarf.
    Preferably, the bolt connection means are arranged eccentrically on the bearing housing. The eccentric arrangement ensures that the bearing housing can be rotated by its own weight, ie by gravity into its correct angle when the bolt connection means are deflected away from the center of gravity of the bearing housing laterally.
    The shape of the bearing housing can substantially over at least a third of the height, preferably at least up to the upper half of the belt circumference of the shoe roll of the shape of the surface of the
    Shoe roll cross section follow. In this case, then correspond to the case of the jacket coat change possibly with the band coat in contact contact areas of the bearing housing the shape of the shoe roll surface and thus do not damage the material of the band jacket.
    According to one embodiment, the upper slot of the support arm is at least three times as long as the diameter of the upper bolt. This will prevent the lifting device from being damaged when lifting the roller if it is raised too high by mistake. If the slot is larger, the support arm can move significantly further up without being destroyed, so that the wrong stroke movement of the roller can be detected in time and the lifting device is not damaged.
    Preferably, the support arm is directly connected to the bearing housing. So you get a simple, easy to manufacture and set up construction.
    According to one embodiment, the upper deflection means comprise at least one actuator for moving the bolt in the slot. With a carriage, the bolt connection means can be precisely moved to find the proper setting for aligning the bearing housings in the slot.
    According to one embodiment, the lower deflection means comprise at least one actuator for moving the bolt in the slot. With a carriage, the bolt connection means can be precisely moved to find the proper setting for aligning the bearing housings in the slot.
    Preferably, the bearing housing in a spaced apart lugs (tabs), between which the support arm is fastened by means of bolt connection means. The approaches allow a direct 7/26 AT 71698 7
    Attach the support arm to the bearing housing. The bearing housing may also have only a solid approach.
    With the lifting device according to the invention, the expensive and impractical adjusting structure known from the prior art, which comprises an intermediate piece and an adjusting part to be fastened with eye bolts, can be replaced. On the extra-grade eyebolts made of special materials and the intermediate piece can now be completely dispensed with, thereby reducing the investment cost of the lifting device. The lifting device according to the invention can be made of common iron alloys without extra hard construction parts, because it is formed directly on the casting of the bearing housing or otherwise as a fixed part of the bearing housing.
    Next, the lifting device according to the invention is suitable for all conventional press nip angle. With the lifting device according to the invention, the replacement of the pressure roller designed considerably simpler than in the solutions of the prior art, because the angle and the lateral settings are almost completely independent, so that it does not come to complicated, interdependent processes when aligning the bearing housing , Further, in the lifting device according to the invention, the support arm can be easily disassembled from the bearing housing of the shoe roll, without requiring lateral adjustment of the 8/26 AT 71698 8
    Support point or the lifting point or the removal or loosening of parts would be required. Thus, the positioning of the bearing housing during replacement of the shoe roll easier, because the previous settings are indeed preserved almost unchanged, which facilitates finding the correct position of the bearing housing.
    In the following, the invention will be described in detail with reference to the accompanying drawings, which illustrate some embodiments of the invention. Show it:
    Fig. 1 viewed laterally the connection between a shoe roll and its counter roll;
    Fig. 2 viewed as an enlargement of the support arm of the lifting device according to the invention and the associated parts in the direction of the shoe roll;
    Fig. 3 as a section and enlargement of the support arm and its associated parts of the lifting device according to the invention.
    Fig. 1 shows a general representation of the connection between the shoe roll 12 and its counter roll 14 with locked locking means 110. In the locked position, the bearing housing 20 of the shoe roll 12 and the bearing housing 20 'of the counter roll 14 coincide with their abutment surfaces 100, wherein the the latches 110 belonging lugs 104 of 9/26 AT 71698. 9
    Bearing housing 20 and 20 'with the coming between the lugs 104 connecting arms 102 coincide. In order to remove the band coat of the shoe roll 12 to its replacement from the roller must
    Locking means 110 dissolved and the shoe roll 12 are lifted into the air. The band sheath 16 is shown in FIG. The return of the shoe roller 12 in its position on the counter-roller 14 is carried out with the lifting device according to the invention, because the alignment of the abutment surfaces 100 by means of ordinary hoist is impossible in practice, or at least extremely difficult and time consuming.
    In Fig. 1, the lifting device 10 according to the invention is shown. Of the shoe roll 12, only one end is shown, but of course, this shoe roll 12 has two ends. The lifting device is mainly intended for controlled placement of the shoe roll on the backing roll, but is also used to lift the shoe roll of the backing roll.
    According to Fig. 1, the shoe roll 12 is supported with its axis / shaft 62 in the bearing housing 20. To the lifting device 10 includes a lifting point 18 on the bearing housing 20 and a lifting means 22 to be actuated lifting arm 24 and formed by a slot 26 support point 28 on the lift arm 24. The lift arm 24 may, according to FIG. 1 via the joint 72 and with the lifting means 22 to the staging 200 of the
    Be hinged fiber web machine. Between the lifting arm 10 and the lifting point 18 of the bearing housing 20 there is at least one support arm 30, with which the support point 28 of the lifting arm 24 and the lifting point 18 of the bearing housing 20 are interconnected. The support arm 30 is better illustrated in FIG. In other words, therefore, the shoe roller 12 is suspended at the lifting point 18 of the bearing housing by means of the support arm 30 on the lifting arm 24. Thus, the bearing housing 20 can be aligned with the bearing housing of the backing roll, the lifting device 10 has deflection 38 for lateral displacement of the lifting point 18 of the bearing housing 20 and the lifting point 18 of the bearing housing 20 bolt connection means 40, which at least one slot 42 on the bearing housing 20 and an opening 44th in the support arm 30 and a bolt 46 for connecting the slot 42 with the opening 44 include. Under "lateral direction" or "lateral direction of the cross-sectional plane"; In this connection, the direction of the two-pointed arrows shown in Figs. 1 and 2 in connection with the bolts is, i. So to understand the longitudinal direction of the lift arm.
    The opening 44 is shown in FIG. 2. The deflection means 38 for lateral displacement of the lifting point 18 are arranged in connection with the bolt connection means 40. Preferably, only one support arm is used in the lifting device according to the invention, but if necessary, several concentrically articulated between the lifting arm and the bearing housing support arms can be used. 11/26 11 AT 71698
    According to FIG. 1, the lifting arm 24 may be a combination arm formed from two parallel metal plates 92, which is articulated at one end 70 via the hinge 72 to the frame 200 of the fiber web machine and at its other end 74 via the hinge 76 to the lifting means 22 , Preferably, the support arm 30 is articulated via the support point 28 between the metal plates 92 to the lift arm 24. The lifting means 22 may for example consist of a hydraulic cylinder or a corresponding construction, which in turn is hinged at its / its one end to the frame 200 of the fiber web machine. By varying the length of the lifting means 22, the lifting arm 24 can be tilted, i. the support point 28 can be brought closer to the mating roll or further away from it. The construction of the lift arm lifting means shown in the drawings is only one example chosen embodiment, and it should be understood that various types of construction solutions, such as two hydraulic cylinders, may be used to operate the lift arm. The construction of the lift arm may differ from that shown in the drawings, the main thing the construction is suitable for lifting the shoe roll.
    Preferably, the lifting arm 24 also includes upper deflection means 48, with which the support point 28 between support arm 30 and lift arm 24 can be displaced laterally. In other words, the support point 28 can be reciprocated substantially in the longitudinal direction of the lift arm 24. With the upper deflection means 48, the bearing housing 20 of the shoe roll 12 can be displaced laterally relative to the bearing housing of the backing roll. Preferably, the upper deflection means 48 and the deflection means 38 located further down may be similar to one another. Preferably, upper bolt connecting means 32 are also used between the support arm 30 and the lifting arm 24. The upper bolt connection means 32 may comprise at least one slot 26 in the lift arm 24 and a slot 34 in the support arm 30 and a top bolt 36 interconnecting the slots 26 and 34.
    The lifting device 10 according to the invention is generally used so that it is permanently attached to the bearing housing 20 of the shoe roll 12. In this way, the lifting of the shoe roll can be done considerably fast when the locking means are opened between the bearing housings. The lifting device is always used when the release / lifting of the shoe roll, such as when replacing the band jacket, the first located on the leader end lifting device after lifting of the
    Interchangeable device is intercepted (usually with a ceiling crane). For this purpose, the lower bolt connection of the support arm is released, and the support arm is pivoted to the lift arm and thus out of the way of the band jacket. When removing the shoe roll, the lifting devices of both roll ends are released after 13 lifted lifting, and the roller is removed with other funding from the machine. In terms of direction, the lifting phase is not so critical, because the shoe roll can position itself freely, i. set up. When replacing the shoe roll on the bearing housing of the backing roll the lifting device 10 is required. With the lifting device, the re-insertion of the shoe roll can be performed in a very well controlled manner and considerably more accurate than with overhead crane. It is essential when setting down the roller that the bearing housing 20 of the shoe roller 12 can be aligned by means of the deflection means relative to the bearing housing of the backing roll. For the alignment in the desired order, the lateral adjustment of the bearing housing 20 and the mutual adjustment of the abutment surfaces 100 of the bearing housing can be performed.
    According to FIG. 2, the bearing housing 20 with the lifting device 10 can be raised by at least 10%, preferably by more than 15%. The Hubspielraum can be for example 100 - 300 mm. In Fig. 2 the possible position of the bearing housing 20 is shown in broken state in the raised state.
    Conveniently, with the upper deflection means 48, the lateral displacement of the bearing housing 20 of the shoe roll 12 in the longitudinal direction of the lifting arm 24 and with the deflection means 38 again the inclination of the bearing housing 20 with respect to the 14/26 AT 71698 14th
    Bolt connection means 40 set. The lifting device 10 is connected at both ends of the shoe roll 12 with the stoma 200 of the fiber web machine in connection. The lifting device according to the invention can be used in conjunction with rolls of different widths, and the length of the roll in the transverse direction of the fiber web machine can be 4 - 12 m.
    The bolt connection means 40 shown in FIG. 2 may be constituted to include a bolt 46 which is inserted into the slot 42 formed on the bearing housing 20, as shown in the drawing. The bolt 46 can be displaced in the longitudinal direction of the slot 42. At the upper edge of the bearing housing 20 are preferably two planar, parallel projections 94, i. Plates surfaces arranged at a mutual distance, and between these lugs 94 of the support arm 30 of the lifting device by means of the bolt connection means 40 is locked. With the lugs 94 space was created for the support arm 30 within the scope of the bearing housing 20 and thus allows the use of the bolt connection means 40. Both lugs 94 have mutually identical elongated holes, which together form a slot 42 for the bolt 46. The bolt 46 is suitably dimensioned in its length so that it extends between the two elongated holes and at the same time pierces the opening 44 formed on the support arm 30. The bolt is preferably slightly thinner than the opening. 15/26 15 AT 71698
    The bolt 46 of the bolt connection means 40 is expediently pulled out, so that the support arm 30 can be released for replacement of the band jacket of the bearing housing 20 of the shoe roll 12 when the shoe roll 12 is intercepted with the band changing means. For the bolt 46, the bearing housing 20 may include a housing 82 (FIG. 3) in which the bolt 46 may be partially supported. The housing prevents the bolt 46 from falling, because, for example, a steel bolt with a diameter of 100 mm can be a great danger when falling down. The support arm 30 can also be associated with manual adjusting devices, such as the crank 80 in FIG. 1, with which the support arm 30 can be pivoted substantially into a position parallel to the lifting arm 24, in which case there is more space for the replacement of the band jacket ,
    The deflection means 38 may be formed, for example, from either side of the bolt 46 clamping screws or only one actuator, i. a clamping screw 96 of FIG. 2, with which the bolt can be displaced exist. According to one embodiment, the bolt may be arranged in a separate carriage, in which case only the carriage is pushed with the clamping screw and the bolt moves together with the carriage. Preferably, the clamping screw 96 of the lower deflection means 38 is hinged at one end fixed to the bearing housing 20 or 16/26 AT 71698 16 attached and arranged with its other end to the bolt 46 around the lower slot 42. The actuator, i. in turn, the clamping screw 90 of the upper deflection means 48 is preferably articulated at one end fixed to the lift arm 24 and at the other end by means of the upper pin 36 to the upper slot 34 of the support arm 30. The upper bolt connecting means 32 and the lower bolt connecting means 40 may be of similar construction. Accordingly, the upper deflection means 48 and the lower deflection means 38 may be constructed similarly.
    According to FIG. 2, with the deflection means, the lifting point 18 and the support point 28 of the support arm 30 can be displaced from the middle of the oblong hole in both directions by approximately 30 mm each. With the lower deflection means 38, the lifting point 18 can be displaced from the vertical through the center of gravity of the bearing housing 20 to the side, wherein the bearing housing 20, depending on which side of the vertical is the center of gravity rotates. If the bearing housing 20 is to be suspended so that the stop surface 100 is exactly horizontal, the lifting point 18 together with the center of gravity of the bearing housing 20 must be brought to the same vertical. If, on the other hand, the bearing housing 20 is to be inclined, the lifting point 18 with the deflection means 38 is displaced away from the vertical going through the center of gravity. Preferably, the 17/26 AT 71698 17
    Incidence of the bearing housing about 0 - 30 ° amount, which is to be understood by the stop surface of the bearing housing 20 and the horizontal plane included angle. The angle can be clockwise or counterclockwise.
    Fig. 3 shows the support arm 30 in section. In this cross-sectional view, the lift arm 24 is comprised of two spaced-apart metal plates 92, both of which have elongated holes forming a slot 26 (Figure 2) for the top bolt 36 of the upper bolt connection means 32. 2, the upper bolt 36 extends between the metal plates 92. Between the metal plates 92 of the lift arm 24, the sheets 91 of the clamping screw serving as the upper deflection means are fixed around the upper pin 36. With the aid of the plates 91, the upper pin 36 can be moved freely in the longitudinal direction of the oblong hole of the lifting arm 24. Accordingly, between the lugs 94 of the bearing housing 20 about the bolt 46 around the sheets 93 of the lower clamping screw 96 (Fig. 2) are arranged. With the aid of the metal sheets 93, the bolt 46 can be moved freely in the longitudinal direction of the oblong hole 42 of the bearing housing 20. From Fig. 3 it can also be seen how the upper slot 34 is expediently considerably higher than the diameter of the upper pin 36 and thus allows a small vertical movement of the support arm 30 without damaging components of the lifting device. 18/26 AT 71698 18
    According to one embodiment, the deflection means can consist of screws running on both sides of the carriage carrying the bolt in the longitudinal direction of the oblong hole, with which the carriage can be moved in the oblong hole. According to another embodiment, the upper deflection means may also be completely different from the form shown in the drawings and consist for example of a rail and a carriage, wherein the carriage is articulated to the support arm and the support arm and the carriage in the longitudinal direction of the lifting arm on Rails moved.
    According to FIGS. 1 and 2, the bearing housing 20 is preferably shaped such that the outer circumference of the bearing housing upper part following the circumference of the band sheath of the shoe roll is at least over one third, preferably at least halfway, substantially the shape of the circumference of the shoe roll band sheath is adjusted. Preferably, this arcuate or elliptical arc-shaped portion is just the top 99 in the operating position of the bearing housing, wherein, for example, when replacing the band sheath, the likelihood that the band sheath is damaged by form elements of the bearing housing is considerably reduced. With the help of the lifting device according to the invention can be supported with the bearing housing of the band jacket during its assembly. The curved surface of the bearing housing does not contain any sharp surface shapes, protrusions or corners that could damage the band sheathing of its 19/26 AT 71698 19 replacement. So accounts for the proportion of damaged when replacing tape coats on the bearing housing band coats in comparison to the sharp corners having bearing housing constructions according to the prior art. In the lifting device according to the invention, the top of the bearing housing using the
    Bolt connection means to be adapted to the shape of the roll cross section. In the lifting devices of the prior art, the upper part of the bearing housing had to have a flat connection surface for an intermediate part, and therefore a round design of the bearing housing was not possible.
    Preferably, the lifting device according to the invention can be used in the press section of the fiber web machine, but also a calender integrated into the fiber web machine or a separate calender are advantageous insert objects for the lifting device according to the invention. 20/26
    权利要求:
    Claims (10)
    [1]
    AT 71698 CLAIMS 1. A quick-lock lifting device for supporting and mounting the bearing housing of a paper machine or board machine roll to a mating element at a selected angle, the roller (12) consisting of a belt-coated roller (12), for example a shoe roller (12) and the lifting device (10) - a lifting point (18) on the bearing housing (20), - a lifting arm (24) to be actuated with a lifting means (22) and a slot (26) forming a support point (28) thereon, - at least one supporting arm ( 30), adapted to connect the support point (28) of the lifting arm (24) and the lifting point (18) of the bearing housing (20), and - deflection means (38) for displacing the lifting point (18) of the bearing housing (20) includes lateral direction, characterized in that - to the lifting device (10) bolt connection means (40) at the lifting point (18) of the bearing housing (20) belonging to said at least one slot (42) on n bearing housing (20) and an opening (44) in the support arm (30) and a bolt (46) which interconnects said slot (42) and said opening (44) comprise, - for the lateral displacement of the lifting point ( 18) serving deflection means (38) in conjunction 21/26 AT 71698 21 are arranged with said bolt connection means (40).
    [2]
    2. Device according to claim 1, characterized in that to the lifting device (10) also at the support point (28) upper bolt connecting means (32) consisting of the said slot (26) in the lifting arm (24) and the opposite upper slot (34) in Support arm (30) and an upper bolt (36) which connects these slots (26, 34) together belong.
    [3]
    3. Device according to claim 1 or 2, characterized in that the deflection means (38) in the bearing housing (20) are integrated.
    [4]
    4. Device according to any one of claims 1 to 3, characterized in that said bolt connection means (38) are arranged eccentrically on the bearing housing (20).
    [5]
    A device according to any one of claims 1 to 4, characterized in that the shape of said bearing housing (20) follows substantially the cross-sectional shape of the shoe roll (12) over at least one third of the circumference of the band cover of the shoe roll (12).
    [6]
    A device according to any one of claims 1 to 5, characterized in that said upper slot (34) is at least three times as long as the diameter of the upper pin (36).
    [7]
    7. Device according to one of claims 1 to 6, characterized in that said support arm (30) directly, so directly on the bearing housing (20) is attached.
    [8]
    A device according to any one of claims 1 to 7, characterized in that said upper deflection means (48) comprise at least one actuator (90) for moving the bolt (36) in said slot (26).
    [9]
    A device according to any one of claims 1 to 8, characterized in that said deflection means (38) comprise at least one actuator (96) for moving the bolt (46) in said slot (42).
    [10]
    A device according to any one of claims 1 to 9, characterized in that said bearing housing (20) has spaced lugs (94) between which said support arm (30) is adapted to be inserted by means of the bolt connection means (40) , 23/26
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    同族专利:
    公开号 | 公开日
    CN104233901A|2014-12-24|
    AT514366A3|2015-04-15|
    CN104233901B|2017-04-12|
    AT514366B1|2015-11-15|
    FI125072B|2015-05-29|
    FI20135656A|2014-12-15|
    DE102014208910A1|2014-12-18|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE8232424U1|1982-11-19|1985-08-22|J.M. Voith Gmbh, 7920 Heidenheim|Pressing device for dewatering a running fiber web|
    DE4140879A1|1991-12-11|1993-06-17|Voith Gmbh J M|PRESS RELEASE|
    FI117207B|2004-12-30|2006-07-31|Metso Paper Inc|Intermediate roller changing device for multiple rolling calenders, has sliding device generating shearing force for journal of roller, where sliding device is positioned away from layer of rolling mill of multiple rolling calenders|
    FI124735B|2010-11-26|2014-12-31|Valmet Technologies Inc|interconnection arrangements|
    WO2012112117A1|2011-02-18|2012-08-23|Metso Paper Karlstad Ab|A press device with an extended nip, a paper making machine and a method of operating a press device|CN108118551B|2017-11-09|2019-07-05|维美德有限公司|Paper machine press section is wireless lifting system and method|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FI20135656A|FI125072B|2013-06-14|2013-06-14|Lifting arrangement with quick locking|
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