Railway maintenance equipment over-track platform

CN224351068UActive Publication Date: 2026-06-12HUNAN XIANGXING ROAD & BRIDGE STEEL STRUCTURE ENG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUNAN XIANGXING ROAD & BRIDGE STEEL STRUCTURE ENG CO LTD
Filing Date
2025-07-21
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Existing railway maintenance solutions suffer from problems such as cumbersome transfer preparations, time constraints during maintenance windows, high costs, inconvenience in relocation, and long leveling times, failing to meet the needs of railway expansion and efficient, precise maintenance.

Method used

Design a modular railway maintenance equipment rail crossing platform, which adopts a rail crossing bridge deck and support frame structure. The bridge deck units are detachably connected, and the support frame is connected by truss beams and bolts. It is equipped with auxiliary support feet and a tightening device to achieve rapid assembly and height adjustment, adapting to different platform heights and load requirements.

Benefits of technology

It enables convenient assembly and transportation, improves construction efficiency, enhances stability and safety, adapts to different working conditions, reduces construction time and costs, and meets the high-efficiency needs of railway maintenance.

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Abstract

A railway maintenance equipment rail crossing platform includes a rail crossing deck and a support frame. The rail crossing deck is supported on the ground by the support frame. The rail crossing deck is assembled from multiple bridge panel units along its length. Each bridge panel unit includes a middle unit and side units. The top surface of the side units and the middle unit enclose a walking space for the equipment to pass through. The support frame includes main support legs and crossbeams. The length of the crossbeams matches the width of the rail crossing deck. The main support legs have multiple through holes arranged axially along their length to form adjustment holes. The two ends of the crossbeams are detachably connected to the main support legs through the adjustment holes. After the rail crossing deck is supported on the crossbeams, the side units are detachably connected to the main support legs, and the side units are detachably connected to the crossbeams. This device achieves convenient assembly and transportation through a modular bridge panel unit design, and ensures strong load-bearing capacity through a stable support frame structure and multiple connection methods.
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Description

Technical Field

[0001] This utility model relates to a railway maintenance equipment track crossing platform. Background Technology

[0002] In the process of the vigorous development of my country's railway industry, the scale of railways has shown a rapid expansion. How to make use of the "window period" of train operation, that is, the "maintenance window time", to carry out precise and timely maintenance and repair work on railways and related facilities has become a key link to ensure the safe and efficient operation of railways.

[0003] Currently, there are two main common solutions in the field of railway maintenance and repair.

[0004] One approach is to use railcars for loading and unloading operations. Railcars transport the equipment to the designated station requiring maintenance. However, this method has several drawbacks. First, the preparatory work before transfer is extremely cumbersome, involving a series of complex processes such as railcar scheduling and loading and securing the equipment, consuming a significant amount of time and manpower. Second, the lengthy preparation work consumes valuable "maintenance windows," drastically reducing the actual time available for maintenance work and thus affecting the overall maintenance progress. Third, this method is costly; the use and maintenance of railcars, as well as the allocation of relevant personnel, all increase the cost of railway maintenance and repair.

[0005] Secondly, a convenient equipment transfer platform between railway high platforms can be used to transfer maintenance equipment. For example, the transfer platform involved in the utility model patent with patent number ZL202320062688.0 and patent name "Convenient Equipment Transfer Platform between Railway High Platforms" uses this method to efficiently transfer maintenance equipment to the required maintenance platform. However, in the above solution, the support unit adopts a combination of trusses and combined brackets, which is heavy and inconvenient to move. It requires four people to lift and place it at the same time. Moreover, there are height differences in the track terrain, and the height of the four support bases of the support unit needs to be leveled uniformly, resulting in excessively long leveling time.

[0006] In summary, both existing railway maintenance and repair schemes have some problems and cannot adequately adapt to the expanding scale of my country's railways and the growing demand for efficient and precise maintenance. There is an urgent need to develop a more optimized and practical railway facility maintenance, repair, and transportation scheme. Utility Model Content

[0007] This utility model addresses the shortcomings of existing technologies by providing a railway maintenance equipment track-crossing platform that enables convenient assembly and transportation.

[0008] To achieve the above objectives, this utility model first proposes a railway maintenance equipment track crossing platform, including a track crossing bridge deck and a support frame. The track crossing bridge deck is supported on the ground by the support frame. The track crossing bridge deck is assembled from multiple bridge panel units along the length direction. The bridge panel unit includes a middle unit and side units. The top surface of the side units and the middle unit enclose a walking space for the equipment to pass through. The support frame includes a main support leg and a crossbeam. The length of the crossbeam matches the width of the track crossing bridge deck. The main support leg has multiple through holes arranged axially to form adjustment holes. The two ends of the crossbeam are detachably connected to the main support leg through the adjustment holes. After the track crossing bridge deck is supported on the crossbeam, the side units are detachably connected to the main support leg through the adjustment holes, and the side units are detachably connected to the crossbeam.

[0009] In this embodiment, a secondary support foot to improve the stability of the support is also installed in the middle of the crossbeam.

[0010] In this embodiment, the secondary support foot is a screw telescopic structure. The secondary support foot includes a U-shaped connecting plate, a screw, and an adjusting column. The top of the screw is fixedly connected to the U-shaped connecting plate, the U-shaped connecting plate is fixed to the middle of the crossbeam by bolts, and the screw is threaded into the adjusting column.

[0011] In this embodiment, multiple threaded holes corresponding to the adjustment holes are provided on the end faces of both ends of the crossbeam. The spacing between adjacent threaded holes matches the spacing between adjacent adjustment holes. The two ends of the crossbeam and the main support foot are connected and fixed to each other by a first bolt installed in the adjustment hole and threadedly connected to the threaded hole.

[0012] In this embodiment, the crossbeam is a truss beam.

[0013] In this embodiment, the side unit is provided with a plurality of first threaded holes arranged along its length direction on its outer side. The size of the first threaded holes matches that of the adjustment holes. In use, the overpass bridge surface is supported on the crossbeam, and the main support foot and the side unit are connected and fixed to each other by a second bolt installed in the adjustment hole and threadedly connected to the first threaded hole.

[0014] In this embodiment, the middle unit is composed of multiple integrally formed rectangular ribbed panels connected side by side, and the side unit is an integrally formed L-shaped ribbed plate. The middle unit and the side unit have the same length. The side units are installed on both sides of the middle unit. The top surface of the middle unit is provided with an anti-slip layer and the bottom surface is provided with reinforcing ribs.

[0015] In this embodiment, the crossbeam is provided with through holes in the vertical direction near both ends, penetrating the bottom and top surfaces of the crossbeam. The bottom of the side unit is provided with a second threaded hole corresponding to the through hole on the crossbeam. The crossbeam and the side unit are connected and fixed by a third bolt installed in the through hole and threadedly connected to the second threaded hole.

[0016] In this embodiment, the main support foot includes a support column and a base. The base is provided with a sleeve whose inner cavity matches the size of the support column. The support column is inserted into the sleeve and connected to the base. A first pin groove is provided on the side of the sleeve near the bottom. The first pin groove is an elongated hole extending along the height direction. A first wedge is inserted into the first pin groove.

[0017] In this embodiment, a clamping device is also installed at the bottom of the overpass deck, near the platforms on both sides. The clamping device includes a fixed sleeve and a movable top rod. The fixed sleeve is fixed to the bottom of the side unit. The movable top rod is slidably inserted into the fixed sleeve. Both ends of the movable top rod extend out of the fixed sleeve. A top plate is fixed on the end of the movable top rod facing the platform. The side walls of the fixed sleeve and the movable top rod are provided with a plurality of corresponding second pin slots arranged along the length direction. Second wedges are inserted into the second pin slots.

[0018] With the above structure, this utility model has the following advantages:

[0019] 1. This device adopts a modular design. The bridge deck is assembled from multiple bridge panel units along the length direction. The bridge panel unit is further divided into middle units and side units. Each unit adopts an integrated molding design, which reduces weight while ensuring load-bearing capacity. This facilitates prefabrication in the factory and transportation to the site for assembly, greatly improving construction efficiency.

[0020] 2. The crossbeams of the support frame of this device are made of truss beams, which reduce weight while ensuring support strength; the main support feet are fixed to the crossbeams and side units by bolts to enhance overall stability; when the bridge deck is wide or the load is large, secondary support feet can be installed in the middle of the crossbeams to further improve support stability and meet the requirements of larger loads.

[0021] 3. The main support foot of this device is equipped with an adjustment hole, which can be quickly installed at different heights by engaging with the threaded hole on the end face of the crossbeam; the support column and the base are connected by a first wedge block inserted into a first pin slot to achieve fine-tuning of the height, which can fine-tune the position of the crossbeam without adjusting the position of the crossbeam and the main support foot, thus improving adjustment efficiency and accuracy; the secondary support foot adopts a screw telescopic structure, which can be used in conjunction with the adjustment height of the crossbeam, and the support height can be adjusted by rotating the adjustment column to adapt to different platform heights and support conditions.

[0022] 4. This device has a clamping device installed at the bottom of the overpass deck near the platforms on both sides. Through the cooperation of the movable top rod, the fixed sleeve and the second wedge, it can not only lock the relative position of the movable top rod and the fixed sleeve, but also further clamp the platform side wall by adjusting the insertion depth of the second wedge, effectively preventing the bridge deck from shaking.

[0023] 5. The device has an anti-slip layer on the top surface of the intermediate unit to prevent the maintenance equipment from slipping when traveling on the bridge deck, thereby increasing the safety of the maintenance equipment when traveling on the bridge deck; the bottom surface of the intermediate unit is equipped with reinforcing ribs to improve the structural strength of the bridge deck unit.

[0024] 6. All components of this device are prefabricated in the factory. The parameters of the bridge deck unit are determined according to the actual site conditions. The on-site construction steps are clear: first, assemble the support frame and level it; then, install and connect the bridge deck unit; finally, install the tightening device. The operation process is clear and easy to construct.

[0025] In summary, this device achieves convenient assembly and transportation through modular bridge panel unit design, ensures strong load-bearing capacity with a stable support frame structure and multiple connection methods, adapts to different working conditions with multi-part height adjustment function, prevents bridge deck swaying with a clamping device, and has anti-slip and reinforced design, comprehensively meeting the track crossing needs of maintenance equipment. Attached Figure Description

[0026] Figure 1 This is a perspective view of the present invention.

[0027] Figure 2 This is the right view of the present invention.

[0028] Figure 3 for Figure 2 Enlarged view of point A.

[0029] Figure 4 This is a diagram showing the connection status of the bridge deck unit and support frame of this utility model.

[0030] Figure 5 This is a schematic diagram of the support frame of this utility model.

[0031] Figure 6 This is a schematic diagram of the clamping device of this utility model.

[0032] Figure 7 This is a top view of the utility model in use.

[0033] Figure 8 This is a front view of the utility model in use.

[0034] In the attached diagram: 1. Bridge deck unit; 11. Intermediate unit; 111. First connecting side; 112. Second connecting side; 12. Side unit; 121. First threaded hole; 122. Second threaded hole; 13. Reserved opening; 2. Support frame; 21. Main support leg; 211. Adjustment hole; 212. Support column; 213. Base; 214. First pin slot; 215. First wedge; 22. Crossbeam; 23. Secondary support leg; 24. First bolt; 25. Second bolt; 26. Third bolt; 231. U-shaped connecting plate; 232. Screw; 233. Adjustment column; 3. Tightening device; 31. Fixed sleeve; 32. Movable top rod; 33. Second pin slot; 34. Top plate; 35. Second wedge; 4. Platform; 5. Track. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0037] like Figures 1 to 8As shown, a railway maintenance equipment track crossing platform includes a track crossing bridge deck and a support frame 2. The track crossing bridge deck is supported on the ground by the support frame 2. The track crossing bridge deck is assembled from multiple bridge panel units 1 along its length. Each bridge panel unit 1 includes a middle unit 11 and side units 12. The middle unit 11 can be a rectangular ribbed panel, or it can be composed of multiple integrally formed rectangular ribbed panels connected side by side. The side units 12 are integrally formed L-shaped ribbed plates. The middle unit 11 and the side units 12 have the same length and are installed on both sides of the middle unit 11. The top surface of the middle unit 11 is provided with an anti-slip layer, and the bottom surface is provided with reinforcing ribs. The top surface of unit 12 and the middle unit 11 enclose a walking space for the equipment to pass through. The rectangular ribbed panel has downward-curving edges on both sides and one side of the L-shaped ribbed plate, forming a first connecting side 111. Adjacent rectangular ribbed panels and the rectangular ribbed panel and the L-shaped ribbed plate are connected via the first connecting side 111 and fixed to each other by bolts installed on the first connecting side 111. The two ends of the rectangular ribbed panel and the two ends of the L-shaped ribbed plate have downward-curving edges, forming a second connecting side 112. Adjacent middle units 11 and adjacent side units 12 are connected to each other via the second connecting side 112 and fixed to each other by bolts installed on the second connecting side 112. Furthermore, both the first connecting side 111 and the second connecting side 112 have multiple through holes, and bolts for connection are installed in the through holes.

[0038] like Figures 2 to 4 As shown, the support frame 2 includes a main support leg 21 and a crossbeam 22. The crossbeam 22 is a truss beam, which reduces the weight of the crossbeam 22 while ensuring the support strength. The length of the crossbeam 22 matches the width of the overpass deck. The main support leg 21 has multiple through holes arranged axially along its length to form adjustment holes 211. The end faces of both ends of the crossbeam 22 are provided with multiple threaded holes corresponding to the adjustment holes 211. The spacing between adjacent threaded holes matches the spacing between adjacent adjustment holes 211. The two ends of the crossbeam 22 are connected to the main support leg 21. The side unit 12 is connected and fixed to the other side by a first bolt 24 installed in the adjustment hole 211 and threaded to the threaded hole; the side unit 12 is provided with a plurality of first threaded holes 121 arranged along its length direction on its outer side. The size of the first threaded holes 121 matches that of the adjustment hole 211. In use, after the overpass bridge surface is supported on the crossbeam 22, the main support foot 21 and the side unit 12 are connected and fixed to each other by a second bolt 25 installed in the adjustment hole 211 and threaded to the first threaded hole 121.

[0039] like Figure 5As shown, the crossbeam 22 is provided with through holes in the vertical direction near both ends, penetrating the bottom and top surfaces of the crossbeam 22. The bottom of the side unit 12 is provided with a second threaded hole 122 corresponding to the through hole on the crossbeam 22. The crossbeam 22 and the side unit 12 are connected and fixed by a third bolt 26 installed in the through hole and threaded to the second threaded hole 122.

[0040] like Figure 3 As shown, the main support leg 21 includes a support column 212 and a base 213. In this embodiment, the support column 212 is a square tube, although it can also be a round tube. In this embodiment, each of the four sides of the support column 212 is provided with a corresponding adjustment hole 211, which reduces the weight of the support column 212 and facilitates its connection. The base 213 is provided with a sleeve whose inner cavity matches the size of the support column 212. The support column 212 is inserted into the sleeve and connected to the base 213. Furthermore... To enable fine-tuning of the support column 212, a first pin groove 214 is provided near the bottom of the sleeve side. The first pin groove 214 is an elongated hole extending along the height direction, and a first wedge 215 is inserted into the first pin groove 214. When the first wedge 215 is inserted into the first pin groove 214, the bottom of the support column 212 is supported on the inclined surface of the first wedge 215. By adjusting the depth of the first wedge 215 inserted into the first pin groove 214, fine-tuning of the height of the support column 212 can be achieved.

[0041] like Figure 5 As shown, when the width of the overpass exceeds 2 meters or the load on the overpass is large, a secondary support foot 23 can be installed in the middle of the crossbeam 22 to improve the support stability. The secondary support foot 23 is a screw telescopic structure, which includes a U-shaped connecting plate 231, a screw 232, and an adjusting column 233. The top of the screw 232 is fixedly connected to the U-shaped connecting plate 231, and the U-shaped connecting plate 231 is fixed to the middle of the crossbeam 22 by bolts. The screw 232 is threaded into the adjusting column 233. By rotating the adjusting column 233, the adjusting column 233 can rotate around the screw 232, thereby adjusting the support height of the secondary support foot 23 to adapt to different support conditions.

[0042] like Figure 6 , 8As shown, a clamping device 3 is also installed at the bottom of the overpass deck, near the two platforms 4. The clamping device 3 abuts against the side wall of the platform 4 facing the track 5 to further prevent the bridge deck from swaying. The clamping device 3 includes a fixed sleeve 31 and a movable push rod 32. The fixed sleeve 31 is threadedly connected to the second threaded hole 122 at the bottom of the side unit 12 by bolts, so that the fixed sleeve 31 is fixed at the bottom of the side unit 12. The movable push rod 32 is slidably inserted into the fixed sleeve 31, and both ends of the movable push rod 32 extend out of the fixed sleeve 31. A top plate 34 is fixed on the end of the movable push rod 32 facing the platform 4. The side walls of the fixed sleeve 31 and the movable push rod 32 are provided with a plurality of corresponding second pin slots 33 arranged along the length direction. The second pin slots 33 have the same structure as the first pin slots 214. A second wedge 35 is inserted into the second pin slot 33. The second wedge 35 is used to lock the relative position of the movable push rod 32 and the fixed sleeve 31. At the same time, by the depth of the second wedge 35 inserted into the second pin slot 33, the movable push rod 32 is further clamped to the side wall of the platform 4.

[0043] like Figure 7 , 8 As shown, using the above structure, the construction process of this device is as follows:

[0044] First, the intermediate unit 11, side unit 12, main support leg 21, crossbeam 22, auxiliary support leg 23, and clamping device 3 are prefabricated in the factory. Based on the actual site conditions, the width and quantity of bridge deck unit 1 are determined in the factory. The intermediate unit 11 and side unit 12 are then assembled to form bridge deck unit 1. These parts are then transported to the construction location at the maintenance equipment crossing platform 4. During on-site construction, the main support leg 21 is first placed in its designated position. Then, according to the height of platform 4, the crossbeam 22 is installed between the two main support legs 21, assembling a support frame 2. After all support frames 2 are assembled, the elevation of the upper side of the crossbeam 22 is measured. If the elevation of the crossbeam 22 is different, it is fine-tuned using the first wedge 215 until the elevation of all crossbeams 22 is consistent. Install bridge deck unit 1, with each bridge deck unit 1 spanning at least two support frames 2. Then, connect the main support leg 21 and the crossbeam 22 to the bridge deck unit 1 using the second bolt 25 and the third bolt 26. Finally, install the tightening device 3 on the side unit 12 near the platform 4. Adjust the movable top rod 32 so that the top plate 34 of the movable top rod 32 is supported on the side wall of the platform 4 facing the track 5. Then, lock the relative position of the movable top rod 32 and the fixed sleeve 31 using the second wedge 35. If the bridge deck unit 1 is wide or has a large load, an auxiliary support leg 23 can also be installed in the middle of the crossbeam 22. After the auxiliary support leg 23 is installed, adjust its height by rotating the adjusting column so that the auxiliary support leg 23 is firmly pressed between the ground and the crossbeam.

[0045] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the concept of this utility model and the contents of the specification and drawings of this utility model, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A rail maintenance equipment over-track platform, characterized by: The system includes a track bridge deck and a support frame. The track bridge deck is supported on the ground by the support frame. The track bridge deck is assembled from multiple bridge panel units along its length. Each bridge panel unit includes a middle unit and side units. The top surface of the side units and the middle unit enclose a walking space for the equipment to pass through. The support frame includes main support legs and crossbeams. The length of the crossbeams matches the width of the track bridge deck. The main support legs have multiple through holes arranged axially along their length to form adjustment holes. The two ends of the crossbeams are detachably connected to the main support legs through the adjustment holes. After the track bridge deck is supported on the crossbeams, the side units are detachably connected to the main support legs through the adjustment holes, and the side units are detachably connected to the crossbeams.

2. The rail maintenance equipment over-track platform of claim 1, wherein: The middle of the crossbeam is also equipped with a secondary support foot to improve the stability of the support.

3. The railway maintenance equipment rail crossing platform according to claim 2, characterized in that: The secondary support foot is a screw telescopic structure, which includes a U-shaped connecting plate, a screw, and an adjusting column. The top of the screw is fixedly connected to the U-shaped connecting plate, which is detachably fixed in the middle of the crossbeam. The screw is threadedly installed in the adjusting column.

4. The railway maintenance equipment rail crossing platform according to claim 1, characterized in that: The two ends of the crossbeam are provided with multiple threaded holes corresponding to the adjustment holes. The spacing between adjacent threaded holes matches the spacing between adjacent adjustment holes. The two ends of the crossbeam and the main support foot are connected and fixed to each other by a first bolt installed in the adjustment hole and threadedly connected to the threaded hole.

5. The railway maintenance equipment rail crossing platform according to claim 1, characterized in that: The crossbeam is a truss beam.

6. The railway maintenance equipment rail crossing platform according to claim 1, characterized in that: The side unit has multiple first threaded holes arranged along its length on its outer side. The size of the first threaded holes matches that of the adjustment holes. In use, the overpass bridge surface is supported on the crossbeam, and the main support foot and the side unit are connected and fixed to each other by a second bolt installed in the adjustment hole and threaded to the first threaded hole.

7. The railway maintenance equipment rail crossing platform according to claim 1, characterized in that: The middle unit is composed of multiple integrally formed rectangular ribbed panels connected side by side, and the side unit is an integrally formed L-shaped ribbed plate. The middle unit and the side unit have the same length. The side units are installed on both sides of the middle unit. The top surface of the middle unit is provided with an anti-slip layer and the bottom surface is provided with reinforcing ribs.

8. The railway maintenance equipment rail crossing platform according to claim 1, characterized in that: The crossbeam is provided with through holes in the vertical direction near its two ends, penetrating the bottom and top surfaces of the crossbeam. The bottom of the side unit is provided with a second threaded hole corresponding to the through hole on the crossbeam. The crossbeam and the side unit are connected and fixed by a third bolt installed in the through hole and threaded to the second threaded hole.

9. The railway maintenance equipment rail crossing platform according to claim 1, characterized in that: The main support leg includes a support column and a base. The base is provided with a sleeve whose inner cavity matches the size of the support column. The support column is inserted into the sleeve and connected to the base. A first pin groove is provided on the side of the sleeve near the bottom. The first pin groove is an elongated hole extending along the height direction. A first wedge is inserted into the first pin groove.

10. The railway maintenance equipment rail-crossing platform according to any one of claims 1 to 9, characterized in that: At the bottom of the overpass deck, near the platforms on both sides, a clamping device is also installed. The clamping device includes a fixed sleeve and a movable push rod. The fixed sleeve is fixed to the bottom of the side unit. The movable push rod is slidably inserted into the fixed sleeve. Both ends of the movable push rod extend out of the fixed sleeve. A top plate is fixed on the end of the movable push rod facing the platform. The side walls of the fixed sleeve and the movable push rod are provided with a plurality of corresponding second pin slots arranged along the length direction. Second wedges are inserted into the second pin slots.