Rapid replacement device for bridge sleeper of railway steel structure bridge

By designing a rapid replacement device for railway steel bridge sleepers, utilizing a sleeper gripper mechanism and storage and transportation device, the problems of low efficiency and high safety risks in the replacement of steel bridge sleepers were solved, enabling rapid replacement and efficient operation of multiple sleepers.

CN224016045UActive Publication Date: 2026-03-20INST OF SCI & TECH SHANGHAI RAILWAYBUREAU
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Patent Information

Application Number
CN202520303458.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-03-20
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

In existing technologies, the replacement of bridge sleepers in steel bridges is inefficient, labor-intensive, and poses high safety risks, making it difficult to quickly replace multiple sleepers within a construction window.

Method used

A rapid replacement device for railway steel bridge sleepers was designed, including a main sleeper replacement device and main and auxiliary sleeper storage and transportation devices. The device utilizes a sleeper gripper mechanism, a lifting power mechanism, and a slewing mechanism to extract old sleepers and place new sleepers. The main and auxiliary sleeper storage and transportation devices complete the on-site storage and transportation of old and new sleepers. It is suitable for the batch replacement of sleepers for maintenance of various types of steel bridges.

Benefits of technology

It enables the rapid replacement of multiple bridge sleepers within construction windows, reducing labor intensity and safety risks, improving work efficiency, and is suitable for bridge sleeper maintenance work on various types of steel bridges.

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Abstract

The utility model relates to the technical field of maintenance and repair of ordinary-speed railway bridge equipment, in particular to a railway steel structure bridge sleeper quick replacement device which comprises a bridge sleeper replacement main body device, a main bridge sleeper storage and transportation device and an auxiliary bridge sleeper storage and transportation device. The bridge sleeper replacement main body device achieves mechanical actions such as grabbing, lifting and rotating of bridge sleepers through a bridge sleeper clamping jaw mechanism, a bridge sleeper lifting power mechanism, a swing mechanism annular guide rail and a swing mechanism flange plate, and the auxiliary bridge sleeper storage and transportation device is a new and old (invalid) bridge sleeper transferring device. And the main bridge sleeper storage and transportation device is a device for storing and transporting new and old bridge sleepers of the construction skylight. The device has the advantages that the device is simple in structure, light in weight, convenient to assemble and disassemble, safe and easy to control in construction and high in operation efficiency, the labor intensity of operators is greatly reduced, a plurality of bridge sleepers in a construction skylight can be quickly replaced, and the device is suitable for maintenance and replacement operation of bridge sleepers of various steel structure bridges.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of common speed railway bridge equipment maintenance, and specifically relates to a railway steel structure bridge sleeper quick replacement device. BACKGROUND

[0002] Wooden sleepers are widely used in railway steel structure bridge lines due to their good elasticity and convenient maintenance, etc. However, under the action of environmental erosion, train load impact, etc., diseases such as decay, wear, cracking and cavities occur, which reduces the service life and endangers the stability of the line and affects the safety of train operation. Therefore, the maintenance and replacement of wooden sleepers need to be carried out regularly by the management department of the work equipment.

[0003] Currently, the main method for replacing sleepers in steel structure bridge lines is to use manpower, supplemented by other small tools. The personnel in the work bridge workshop remove the auxiliary equipment and facilities such as line guard rails, inter-track core connecting boards, side guard woods and fastener bolts, carry out rail lifting, and replace wooden sleepers by manually extracting old sleepers and transporting new sleepers.

[0004] Due to the limited operation space of steel beam bridges, part of the steel beam bridges need to use existing mobile baskets or set up operation platforms under the bridges to replace wooden sleepers, which results in low efficiency, high labor intensity and high safety risk of sleeper replacement operation, and it is difficult to replace multiple sleepers in a single common speed construction window. SUMMARY

[0005] The utility model aims at the deficiency of prior art, provides a kind of railway steel structure bridge sleeper quick replacement device, which provides working surface based on the large lifting of rail, realizes the extraction of old sleeper and the positioning of new sleeper by the sleeper clamping jaw mechanism, the sleeper hoisting power mechanism and the slewing mechanism of sleeper replacement main body device, completes the on-site storage and transportation of old sleeper and new sleeper by main sleeper storage and transportation device and vice sleeper storage and transportation device, realizes the quick replacement of multiple sleepers in single common speed construction window, and can meet the maintenance batch replacement of various steel structure bridges (including mixed steel structure bridges).

[0006] The utility model is achieved by the following technical solutions:

[0007] A railway steel structure bridge sleeper quick replacement device, characterized by comprising a sleeper replacement main body device, a main sleeper storage and transportation device and a vice sleeper storage and transportation device, wherein:

[0008] The sleeper replacement main body device comprises a walking support mechanism, a support beam, a sleeper hoisting power mechanism, a sleeper clamping jaw guide fixing mechanism and a sleeper clamping jaw mechanism, wherein the support beam is arranged on the walking support mechanism, the sleeper clamping jaw guide fixing mechanism is arranged on the support beam, the sleeper clamping jaw mechanism is connected with the sleeper clamping jaw guide fixing mechanism, and the sleeper hoisting power mechanism is connected with the sleeper clamping jaw mechanism.

[0009] The main bridge bolster storage and transportation device comprises a bridge bolster longitudinal limiting rod, a first support frame, a support frame connecting rod, a second support frame and a bridge bolster transverse limiting rod, wherein the first support frame and the second support frame are connected through the support frame connecting rod, and the bridge bolster transverse limiting rod is arranged outside the first support frame and the second support frame.

[0010] The auxiliary bridge bolster storage and transportation device comprises a bridge bolster limiting rod, a walking left and right support, an upper support, a bridge bolster lifting power mechanism support, a bridge bolster lifting guide fixing mechanism and a bridge bolster lifting support, wherein the upper support is fixedly installed on the walking left and right support, the bridge bolster lifting power mechanism support and the bridge bolster lifting guide fixing mechanism are fixedly installed on the upper support, and the bridge bolster lifting support is fixedly installed on the lower frame of the bridge bolster lifting guide fixing mechanism.

[0011] The walking support mechanism comprises a walking support frame, the upper part of the walking support frame is provided with a rotary mechanism annular guide rail and a rotary mechanism flange plate, the rotary mechanism flange plate is loaded on the rotary mechanism annular guide rail and rotates along the rotary mechanism annular guide rail, and the support beam is installed on the rotary mechanism flange plate.

[0012] The walking support frame and the rotary mechanism flange plate are respectively provided with rotary positioning holes, and the walking support frame and the rotary mechanism flange plate are limited through the matching of the rotary positioning holes.

[0013] The bridge bolster lifting power mechanism comprises a hydraulic oil cylinder, an oil cylinder flange and a piston rod flange, the oil cylinder flange is installed on the hydraulic oil cylinder, and the piston rod flange is respectively provided with a piston rod flange locking nut and a rubber pad at the upper and lower parts.

[0014] The bridge bolster claw guide fixing mechanism comprises an upper support, a lower support, a guide shaft and a linear bearing, wherein the upper support and the lower support are connected through the guide shaft, the linear bearing is sleeved on the guide shaft, the upper end of the guide shaft is provided with a guide shaft end plate, and the upper and lower ends of the guide shaft are respectively provided with rubber ring pads.

[0015] The bridge bolster claw mechanism comprises a bridge bolster claw, a bridge bolster claw nylon pad, a support frame, a linear guide rail, a bridge bolster claw suspension frame, a bridge bolster claw oil cylinder piston rod flange, a guide rail module limiting buffer rubber block and a bridge bolster claw oil cylinder, wherein the bridge bolster claw oil cylinder is installed on the bridge bolster claw suspension frame through the bridge bolster claw oil cylinder piston rod flange, the bridge bolster claw is arranged at the bottom position of the bridge bolster claw suspension frame, the bridge bolster claw suspension frame is loaded on the linear guide rail arranged on the support frame and moves along the linear guide rail under the drive of the bridge bolster claw oil cylinder, the end part of the linear guide rail is provided with the guide rail module limiting buffer rubber block, and the bridge bolster claw nylon pad is arranged on the bridge bolster claw.

[0016] The bridge sleeper clamping jaw mechanism support frame is provided with a first flange mounting plate and a second flange mounting plate.

[0017] The bridge sleeper lifting support frame is provided with a universal ball and a first lifting lug hole, and the bridge sleeper lifting power mechanism support frame is provided with a second lifting lug hole and a power device assembled therewith.

[0018] The main bridge sleeper storage and transportation device and the auxiliary bridge sleeper storage and transportation device are both provided with universal balls for facilitating the movement of the bridge sleepers.

[0019] The bridge sleeper replacement main body device and the main and auxiliary bridge sleeper storage and transportation devices are both provided with fixed walking track wheels for preventing slipping.

[0020] The device has the advantages of simple structure, light weight, convenient assembly and disassembly, high construction safety and easy control, high operation efficiency, greatly reduced labor intensity of operation personnel, and can realize the rapid replacement of multiple bridge sleepers in a construction skylight and is suitable for various steel structure bridge sleeper maintenance and replacement operations. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a bridge sleeper replacement main body device structure schematic view in the utility model;

[0022] Figure 2 It is a running support mechanism three-dimensional schematic view in the utility model;

[0023] Figure 3 It is a bridge sleeper hoisting and falling power mechanism three-dimensional schematic view in the utility model;

[0024] Figure 4 It is a bridge sleeper clamping jaw guide fixing mechanism three-dimensional schematic view in the utility model;

[0025] Figure 5 It is a bridge sleeper clamping jaw mechanism three-dimensional schematic view in the utility model;

[0026] Figure 6 It is a main bridge sleeper storage and transportation device structure schematic view in the utility model;

[0027] Figure 7 It is an auxiliary bridge sleeper storage and transportation device structure schematic view in the utility model;

[0028] Figure 8 It is a field application process flow chart of the utility model;

[0029] Figure 9 It is a field application technical route chart of the utility model. DETAILED DESCRIPTION

[0030] The features and other related features of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments, so as to facilitate the understanding of those skilled in the art:

[0031] like Figures 1-9 As shown in the figure, each of the markings represents: bridge sleeper 1, rail 2, running support mechanism 3, support beam 4, bridge sleeper lifting power mechanism 5, bridge sleeper gripper guiding and fixing mechanism 6, and bridge sleeper gripper mechanism 7.

[0032] Bridge sleeper limiting rod 10, travel left and right brackets 11, upper bracket 12, bridge sleeper lifting power mechanism bracket 13, lifting lug hole 2131, bridge sleeper lifting guide fixing mechanism 14, bridge sleeper lifting bracket 15, universal ball 151, lifting lug hole 1152;

[0033] Bridge sleeper longitudinal limiting rod 20, first support frame 21, support frame connecting rod 22, universal ball 23, second support frame 24, bridge sleeper lateral limiting rod 25;

[0034] 31. Traveling track wheel, 32. Traveling support frame, 1321. Rotation positioning hole, 33. Rotation mechanism ring guide rail, 34. Rotation mechanism flange plate, 2341. Hydraulic cylinder, 51. Cylinder flange, 52. Piston rod flange locking nut, 53. Piston rod flange, 54. Rubber pad, 55. Guide shaft end plate, 61. Rubber ring pad, 62. Upper bracket, 63. Linear bearing, 64. Guide shaft, 65. Lower bracket, 66. Bridge sleeper gripper, 71. Bridge sleeper gripper nylon pad, 72. Support frame, 73. Linear guide rail, 74. Bridge sleeper gripper suspension frame, 75. Bridge sleeper gripper cylinder piston rod flange, 76. Guide rail slider limit buffer rubber block, 77. Bridge sleeper gripper cylinder, 78.

[0035] Example: Figures 1 to 5 As shown, the main bridge sleeper replacement device includes a traveling support mechanism 3, a support beam 4, a bridge sleeper lifting power mechanism 5, a bridge sleeper gripper guiding and fixing mechanism 6, and a bridge sleeper gripper mechanism 7. In practice, each module is transported to the sleeper replacement area and quickly assembled on-site. The support beam 4 is fixedly installed on the slewing mechanism flange plate 34. The cylinder flange 52 and the upper bracket 63 are respectively fixedly installed on the support beam 4. The piston rod flange 54 is fixedly installed on the flange mounting plate 1731. The support frame 73 is fixedly installed on the lower bracket 66. The bridge sleeper gripper 71 is gripped and released by the bridge sleeper gripper cylinder 78 controlling the clamping and releasing of the bridge sleeper 1. The bridge sleeper is vertically lifted by the hydraulic cylinder 51 and the guide shaft 65. Manual operation is used to rotate the bridge sleeper via the slewing mechanism's annular guide rail 33 and the slewing mechanism flange plate 34. The slewing mechanism is rotated and positioned by a T-shaped pin passing through the slewing positioning hole 1321 and the slewing positioning hole 2341.

[0036] like Figure 6As shown, the main bridge sleeper storage and transportation device includes a bridge sleeper longitudinal limiting rod 20, a first support frame 21, a support frame connecting rod 22, a universal ball 23, a second support frame 24, and a bridge sleeper transverse limiting rod 25. In specific implementation, after each module is transported to the line, it is quickly assembled on site, the first support frame 21 and the second support frame 24 are conveniently connected and combined through the support frame connecting rod 22, the new bridge sleeper is sequentially stored on the first support frame 21 and the second support frame 24 along the line in the longitudinal direction, before transportation and walking, the bridge sleeper longitudinal limiting rod 20 and the bridge sleeper transverse limiting rod 25 are installed and inserted into the insertion holes around the main bridge sleeper storage and transportation device, after transportation and walking to the designated position, the bridge sleeper longitudinal limiting rod 20 is removed according to the operation direction when the new bridge sleeper is extracted, and the storage and transportation of the old bridge sleeper can be operated with reference to the process.

[0037] As shown in Figure 7 , the auxiliary bridge sleeper storage and transportation device includes a bridge sleeper limiting rod 10, a walking left and right support 11, an upper support 12, a bridge sleeper lifting power mechanism support 13, a bridge sleeper lifting guide fixing mechanism 14, and a bridge sleeper lifting support 15. In specific implementation, after each module is transported to the line, it is quickly assembled on site, the upper support 12 is fixedly installed on the walking left and right support 11, the bridge sleeper lifting power mechanism support 13 and the bridge sleeper lifting guide fixing mechanism 14 are both fixedly installed on the upper support 12, the bridge sleeper lifting support 15 is fixedly installed on the lower frame of the bridge sleeper lifting guide fixing mechanism 14, a power device such as a hand-operated electric hoist or a winch is fixedly installed on the bridge sleeper lifting power mechanism support through a lifting lug hole 2131, the lifting of the bridge sleeper lifting support 15 is driven through a lifting lug hole 1152, and the old bridge sleeper is conveniently moved forward and backward through the universal ball 151 under the action of manpower. After walking to the designated position, the new bridge sleeper is pushed into the bridge sleeper lifting support 15, before transfer and walking, the bridge sleeper limiting rod 10 is inserted into the profile pipe hole on the bridge sleeper lifting support 15, after transfer and walking to the designated position, the bridge sleeper limiting rod 10 is removed when the new bridge sleeper is extracted, and the transfer of the old bridge sleeper can be operated with reference to the process.

[0038] As shown in Figure 9 , in the embodiment, the main bridge sleeper storage and transportation device and the auxiliary bridge sleeper storage and transportation device are respectively arranged on both sides of the sleeper replacement operation area and outside the range of influence of the two steel rails, and are used for temporary storage and transportation of new and old bridge sleepers.

[0039] As shown in Figure 1 , 6 , 7, in the embodiment, the steel structure bridge sleeper quick replacement device is used for replacing the old bridge sleeper, the device is provided with walking track wheels, is manually controlled to be transported to the operation point, the old bridge sleeper is extracted and the new bridge sleeper is positioned through the bridge sleeper replacement main device, and the main and auxiliary bridge sleeper storage and transportation devices are auxiliary cooperation devices for the bridge sleeper replacement operation.

[0040] The embodiment also provides a method for replacing the old bridge sleeper by using the railway steel structure bridge sleeper quick replacement device, and an operation flowchart of the bridge sleeper replacement method is as shown inFigure 8 As shown, it comprises the following steps:

[0041] The new bridge sleeper to be replaced in advance is transported to the main bridge sleeper storage and transportation device near the passage door, the bridge sleeper is quickly replaced by the main device and transported to the construction area to be replaced, and the main and auxiliary bridge sleeper storage and transportation devices are transported to the safe place on both sides of the replacement operation on the day.

[0042] Under the condition that the temperature difference between the air temperature during the skylight operation and the design locking temperature is between-15°C and +5°C, based on the stability theory of the seamless line, combined with the construction plan and the skylight time on the day, the position interval of the track lifting point and the range of the fastener loosening are determined, the fastener and the auxiliary equipment and facilities are loosened, the two steel rails in front and behind the replacement operation area are lifted to a lifting amount of ≥300mm, the steel rail vertical support, horizontal limiting simple device are used to lock the position of the steel rail, the lifting device is removed, and the under-rail pad is pulled out.

[0043] The modules of the bridge sleeper replacement main device are quickly assembled on site, the clamping and loosening of the bridge sleeper clamping jaw 71 is controlled by the bridge sleeper clamping jaw oil cylinder 78 to realize the grabbing and releasing of the bridge sleeper 1, the vertical lifting of the bridge sleeper is realized by the hydraulic oil cylinder 51 and the guide shaft 65, the manual operation realizes the 90° rotation of the bridge sleeper through the rotary mechanism ring guide rail 33 and the rotary mechanism flange plate 34, and the rotary mechanism rotation positioning is realized by the T-shaped pin shaft passing through the rotary positioning hole 1321 and the rotary positioning hole 2341.

[0044] The old sleeper of the auxiliary bridge sleeper storage and transportation device is manually pushed to the side of the bridge sleeper replacement main device, the old bridge sleeper is lifted to the limiting height of the bridge sleeper clamping jaw 71, the bridge sleeper limiting rod 10 is inserted into the profile pipe hole on the bridge sleeper lifting support 15, and then it is transported to the side of the old sleeper of the main bridge sleeper storage and transportation device, the new sleeper of the other side of the auxiliary bridge sleeper storage and transportation device is loaded with the new bridge sleeper from the new sleeper of the main bridge sleeper storage and transportation device, after the bridge sleeper limiting rod 10 is inserted, it is manually pushed to the replacement position, the bridge sleeper replacement main device completes the receiving of the new bridge sleeper, and the new sleeper is positioned according to the reverse process of the old sleeper pulling out, and the operation process of the old sleeper pulling out and the new sleeper positioning is repeated when multiple old bridge sleepers are replaced.

[0045] After the bridge sleeper replacement construction operation in the skylight on the day is completed, each device and module is disassembled and removed and transported to the outside of the fastener loosening interval, the distance between the new bridge sleepers is manually adjusted to the specification requirements, the rails are lowered, the fasteners are tightened, the line is restored, the inspection is conducted, and the machine materials are lowered.

[0046] The bridge sleeper replacement main device and the main and auxiliary bridge sleeper storage and transportation devices are included in the management category of the trolley of the maintenance department, and a person is responsible on site.

[0047] The embodiment is not only limited to the replacement of the old wooden sleeper with the composite material bridge sleeper, but also applicable to the replacement of the old wooden sleeper with the new wooden sleeper and the replacement of the old composite material bridge sleeper with the new composite material bridge sleeper.

[0048] Although the above embodiments have been described in detail with reference to the accompanying drawings, those skilled in the art can realize that various improvements and changes can be made to the present application without departing from the scope defined by the claims, and therefore, the above description is not exhaustive.

Claims

1. A quick-change device for railway steel bridge sleepers, characterized in that: It includes a bridge sleeper replacement main unit, a main bridge sleeper storage and transportation unit, and an auxiliary bridge sleeper storage and transportation unit, wherein: The bridge sleeper replacement main device includes a traveling support mechanism, a support beam, a bridge sleeper lifting power mechanism, a bridge sleeper gripper guiding and fixing mechanism, and a bridge sleeper gripper mechanism. The support beam is mounted on the traveling support mechanism, the bridge sleeper gripper guiding and fixing mechanism is mounted on the support beam, the bridge sleeper gripper mechanism is connected to the bridge sleeper gripper guiding and fixing mechanism, and the bridge sleeper lifting power mechanism is connected to the bridge sleeper gripper mechanism. The main bridge sleeper storage and transportation device includes a bridge sleeper longitudinal limiting rod, a first support frame, a support frame connecting rod, a second support frame, and a bridge sleeper lateral limiting rod, wherein the first support frame and the second support frame are connected by the support frame connecting rod, and the bridge sleeper lateral limiting rod is located on the outside of the first support frame and the second support frame. The auxiliary bridge sleeper storage and transportation device includes a bridge sleeper limiting rod, left and right traveling supports, an upper support, a bridge sleeper lifting power mechanism support, a bridge sleeper lifting guide fixing mechanism, and a bridge sleeper lifting support. The upper support is fixedly installed on the left and right traveling supports, the bridge sleeper lifting power mechanism support and the bridge sleeper lifting guide fixing mechanism are both fixedly installed on the upper support, and the bridge sleeper lifting support is fixedly installed on the lower frame of the bridge sleeper lifting guide fixing mechanism.

2. The railway steel bridge sleeper quick replacement device according to claim 1, characterized in that: The traveling support mechanism includes a traveling support frame, the upper part of which is provided with a rotating mechanism annular guide rail and a rotating mechanism flange plate. The rotating mechanism flange plate is mounted on the rotating mechanism annular guide rail and rotates along it. The support beam is mounted on the rotating mechanism flange plate.

3. The railway steel bridge sleeper quick replacement device according to claim 2, characterized in that: The traveling support frame and the slewing mechanism flange are respectively provided with slewing positioning holes, and the traveling support frame and the slewing mechanism flange are limited by the matching of the slewing positioning holes.

4. The railway steel bridge sleeper quick replacement device according to claim 1, characterized in that: The bridge sleeper lifting power mechanism includes a hydraulic cylinder, a cylinder flange, and a piston rod flange. The cylinder flange is installed on the hydraulic cylinder, and a piston rod flange locking nut and a rubber gasket are respectively provided on the upper and lower parts of the piston rod flange.

5. A quick-change device for railway steel bridge sleepers according to claim 1, characterized in that: The bridge sleeper clamp guide fixing mechanism includes an upper bracket, a lower bracket, a guide shaft, and a linear bearing. The upper bracket and the lower bracket are connected by the guide shaft. The linear bearing is mounted on the guide shaft. A guide shaft end plate is provided at the upper end of the guide shaft. Rubber ring gaskets are provided at the upper and lower ends of the guide shaft.

6. The railway steel bridge sleeper quick replacement device according to claim 1, characterized in that: The bridge sleeper gripper mechanism includes a bridge sleeper gripper, a bridge sleeper gripper nylon pad, a support frame, a linear guide rail, a bridge sleeper gripper suspension frame, a bridge sleeper gripper cylinder piston rod flange, a guide rail module limiting buffer rubber block, and a bridge sleeper gripper cylinder. The bridge sleeper gripper cylinder is mounted on the bridge sleeper gripper suspension frame via the bridge sleeper gripper cylinder piston rod flange. The bridge sleeper gripper is located at the bottom of the bridge sleeper gripper suspension frame. The bridge sleeper gripper suspension frame is mounted on the linear guide rail on the support frame and moves along the linear guide rail under the drive of the bridge sleeper gripper cylinder. A guide rail module limiting buffer rubber block is located at the end of the linear guide rail, and the bridge sleeper gripper nylon pad is located on the bridge sleeper gripper.

7. A quick-change device for railway steel bridge sleepers according to claim 1, characterized in that: The bridge sleeper gripper mechanism support frame is equipped with a first flange mounting plate and a second flange mounting plate.

8. A quick-change device for railway steel bridge sleepers according to claim 1, characterized in that: The bridge sleeper lifting bracket is equipped with a universal ball and a first lifting lug hole, and the bridge sleeper lifting power mechanism bracket is equipped with a second lifting lug hole and a power device assembled therewith.

9. A quick-change device for railway steel bridge sleepers according to claim 1, characterized in that: Both the main bridge sleeper storage and transportation device and the auxiliary bridge sleeper storage and transportation device are equipped with load-bearing universal balls to facilitate the movement of the bridge sleepers.

10. A quick-change device for railway steel bridge sleepers according to claim 1, characterized in that: Both the main bridge sleeper replacement device and the main and auxiliary bridge sleeper storage and transportation device are equipped with anti-slip, fixed running track wheels.