Tramcar auxiliary traction transition device

By designing an auxiliary traction transition device for trams, the problem of transporting the entire tram on curved lines was solved, enabling stable transfer of trams on curved lines, reducing transportation difficulty and improving preparation efficiency.

CN223905054UActive Publication Date: 2026-02-13FOSHAN CRRC SIFANG CO LTD
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Patent Information

Application Number
CN202520756306.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-02-13
Estimated Expiration
2035-04-21

AI Technical Summary

Technical Problem

Existing technologies make it difficult to achieve full-train transport of trams on curved lines. Traditional methods require splitting the tram into smaller units or using long straight sections for traction, resulting in a large workload, high time and labor costs, and limitations imposed by the track environment.

Method used

Design a tram auxiliary traction transition device, including two guide rails and a fixed support frame. The rails have curvature in the vertical and horizontal directions, and the curvature radius is equal to or greater than the minimum turning radius of the vehicle. The support frame is fixedly connected to the ground to realize the transportation of the entire tram.

Benefits of technology

It enables stable transfer of entire tram trains on curved lines, reduces transportation difficulty, improves preparation efficiency and transportation practicality, and avoids restrictions on straight lines.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an auxiliary traction transition device for a tramcar, which comprises two guide rails with standard gauge, the guide rails are inclined upwards from one end connected with a ground rail to one end connected with a transport vehicle platform in the vertical direction, and the guide rails have bending radian in the horizontal direction. The guide rail is fixedly connected with the ground through a fixed supporting frame. The transition supporting device can be used for transition supporting between a road surface and a transport vehicle before the tramcar carries out whole-line transportation, the tramcar can be combined with a hardened road to realize the transportation of the whole-line tramcar in a curve ground track interval, and the whole-line tramcar can be adjusted and pulled on a curve track; the method is not limited by a line needing the length straightness of two tramcars any more, the application difficulty of whole-line transportation of the tramcars is effectively lowered, the preparation efficiency of the whole-line tramcars before transportation is improved, and the practicability of whole-line transportation of the tramcars is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tram transportation technical field especially tram auxiliary traction transition device. BACKGROUND

[0002] Tram vehicle transportation is mainly through two ways: one is to decompose the whole train, splits into single vehicle transportation, when reaching again the vehicle reassembly, this kind of mode workload is bigger, it is more complicated, and time -consuming and labor -intensive, two is through the way of pulling the tram whole train to the transport car, carries out whole train transportation, this kind of mode is mainly through long straight line section traction mode in practical application, but because part of the vehicle section does not have long straight line degree section line environment, cannot place the tram whole train to the transport car. Therefore, an auxiliary traction transition device which can meet the whole train transportation on the curve line is urgently needed. SUMMARY

[0003] The utility model mainly solves the technical problem, provides a kind of tram auxiliary traction transition device which can meet the whole train transportation on the curve line.

[0004] To solve the above technical problem, the basic idea of the technical scheme adopted by the utility model is as follows:

[0005] A tram auxiliary traction transition device, comprising two guide rails with standard track gauge, the guide rails are inclined upward in the vertical direction from one end connected with the ground track to the end connected with the transport car platform, the guide rails have a curved radius in the horizontal direction, and the guide rails are fixedly connected with the ground by a fixed support frame.

[0006] Further, the curved radius of the guide rails is equal to or greater than the minimum turning radius of the vehicle.

[0007] Further, the upper rail surfaces of the two guide rails have a height difference in the vertical direction, and the upper rail surface of the guide rail on the outer side of the curved direction is higher than that of the guide rail on the inner side.

[0008] Further, the guide rails are solid steel rails with square cross-section, the cross-sectional height of the guide rails gradually decreases at the end connected with the ground track, and the upper rail surface of the guide rails gradually approaches the bottom surface of the guide rails at the end.

[0009] Further, the fixed support frame comprises two support frames and several fixed supports, the upper surface of the support frame is inclined from one end to the other end, the guide rail is installed on the upper surface of the support frame, a plurality of fixed supports are installed on the side of each support frame respectively, the fixed supports are fixedly connected with the ground, and the two support frames are connected through a plurality of connecting columns.

[0010] Further, the cross section of the support frame is H-shaped, which is formed by welding an upper web plate, a lower web plate and a middle reinforcing plate, the guide rail is welded on the upper web plate, the fixed supports are installed on the side of the reinforcing plate, and the reinforcing plate has a whole triangular structure.

[0011] Further, a plurality of fixed supports are arranged in parallel on one side of the support frame, the fixed support comprises a one-word-shaped main body and a connecting seat, the connecting seat is welded below one end of the main body, the other end of the main body is welded and connected with the support frame, the connecting seat is inverted T-shaped, the top of the vertical part is welded on the main body, a plurality of mounting holes for fixedly connecting with the ground are arranged on the horizontal part, the bottom surface of the main body is in the same plane as the bottom surface of the support frame, and the connecting seat is arranged below the ground during installation.

[0012] Further, a pit is arranged on the ground where the guide rail is laid, a metal box is installed in the pit, the metal box has a cover plate, a mounting bolt is pre-buried in the metal box, and the fixed support is fixedly connected with the mounting bolt.

[0013] Further, the guide rail and the support frame have a connecting structure at the end connected with the ground rail, the connecting structure comprises a concave part arranged at the end of the support frame and a supporting seat arranged in the concave part, the front end of the guide rail is arranged in the concave part and protrudes forward out of the concave part to be connected with the ground rail, part of the concave part straddles the two sides of the ground rail during connection, the end of the guide rail is fixed on the supporting seat, the supporting seat is fixedly connected with the ground, and the supporting seat has a notched corner for avoiding the ground rail.

[0014] Further, the guide rail and the fixed support frame correspondingly comprise a straight section and a curved section, the front end of the straight section is connected with the ground rail, and the tail end of the curved section is connected with the platform of the transport vehicle.

[0015] The straight section and the curved section are an integral structure.

[0016] Alternatively, the straight section and the curved section are a split structure, and the straight section and the curved section are detachably connected through a connecting structure.

[0017] In summary, the auxiliary traction transition device for tram can be used for the transition support between the road surface and the transport vehicle before the whole-line transportation of the tram vehicle, and can realize the transfer of the whole-line tram vehicle on the curved track in combination with the hardened road, realize the adjustment and pulling of the whole-line tram vehicle on the curved track, and is no longer limited by the length and straightness of the line, effectively reduces the application difficulty of the whole-line transportation of the tram, improves the preparation efficiency before the whole-line transportation of the tram, and improves the practicability of the whole-line transportation of the tram.

[0018] The specific embodiments of the utility model will be further described in detail below in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings are part of the utility model, which is used to provide further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, but do not constitute improper limitation on the utility model. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] In the drawings:

[0021] Figure 1 is a transition device structure schematic view of the utility model;

[0022] Figure 2 is Figure 1 lateral view of the utility model;

[0023] Figure 3 is a transition device use state schematic view of the utility model.

[0024] In the drawings:

[0025] Guide rail 1, ground track 2, fixed support frame 3, support frame 31, upper web plate 311, lower web plate 312, reinforcing plate 313, fixed support 32, main body 321, connecting seat 322, connecting column 33, connection structure 4, inner recess part 41, support seat 42.

[0026] It should be noted that the drawings and the written description are not intended to limit the scope of the concept of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, the following embodiments are used to illustrate the utility model, but not used to limit the scope of the utility model.

[0028] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0029] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium.

[0030] Embodiment one:

[0031] As shown in Figures 1 to 3 The utility model provides a tram auxiliary traction transition device for transporting the tram in the whole column mode to the transport car.

[0032] In the embodiment, the tram auxiliary traction transition device includes two guide tracks 1 with standard track spacing, the standard track spacing is the same track spacing as the ground track, one end of the guide track 1 is connected with the ground track 2, and the other end is connected with the platform (not shown in the drawing) of the transport car, the guide track 1 is inclined upward in the vertical direction from the end connected with the ground track 2 to the end connected with the platform of the transport car, so as to pull the tram vehicle on the ground track 2 along the guide track 1 to the platform of the transport car, and the guide track 1 is fixedly connected with the ground through the fixed support frame 3.

[0033] In the embodiment, the two guide tracks 1 have a curved arc in the horizontal direction as a whole, so that the tramcar can be pulled to the platform of the transport vehicle by turning, and the tramcar can be transferred on the curved ground track 2 in combination with the hardened road, the whole tramcar can be pulled on the curved track, the application difficulty of the whole tramcar transportation is effectively reduced, the preparation efficiency before the whole tramcar transportation is improved, and the practicability of the whole tramcar transportation is improved.

[0034] The two guide tracks 1 can have a curved arc as a whole, and more preferably, the two guide tracks 1 are composed of a straight section and a curved section, the front end of the straight section is connected with the ground track 2, and the tail end of the curved section is connected with the platform of the transport vehicle. In the embodiment, the straight section and the curved section of the guide track 1 are integrated. In this way, the front end of the guide track 1 is more conducive to being connected with the ground track 2 through the arrangement of the straight section, and the whole tramcar can be pulled on the curved track through the curved section.

[0035] In the embodiment, it is further preferred that the curved arc radius of the curved section of the guide track 1 is equal to or greater than the minimum turning radius of the tramcar, so as to ensure that the tramcar moves stably during the pulling and adjusting process and does not overturn. The curved arc of the curved section of the guide track 1 is customized and adjusted according to different curved ground tracks 2, and different turning radii require different guide tracks 1.

[0036] In the embodiment, it is further preferred that the upper track surfaces of the two guide tracks 1 have a height difference in the vertical direction, the upper track surface of the guide track 1 on the outer side of the curved direction is higher than the upper track surface of the guide track 1 on the inner side, for adjusting the gravity center of the vehicle when turning, and preventing the tramcar from tilting during the transfer process.

[0037] In the embodiment, it is further preferred that the guide track 1 adopts a solid steel rail with a square cross section, and more preferably, a solid steel rail with a cross-sectional size of 60*30 mm is adopted. At the end where the guide track 1 is connected with the ground track 2, the cross-sectional height of the guide track 1 gradually decreases, that is, the upper track surface of the guide track 1 gradually inclines downward to approach the bottom surface of the guide track 1, and the end of the upper track surface of the guide track 1 is connected with the upper track surface of the ground track 2.

[0038] In the embodiment, it is further preferred that the fixed support frame 3 comprises two support frames 31 and a plurality of fixed supports 32, the upper surface of the support frame 31 is inclined from one end to the other end, and two guide rails 1 are respectively installed on the upper surfaces of the two support frames 31. The two support frames 31 also correspondingly comprise straight segments and curved segments, which are also integrally formed. A plurality of fixed supports 32 are installed on the side of each support frame 31, and the fixed supports 32 are fixedly connected with the ground to fix the support frame 31 on the ground and prevent the device from tilting. A plurality of connecting columns 33 are connected between the two support frames 31 to strengthen the overall structural strength of the support frame 31 and improve its carrying capacity.

[0039] In the embodiment, it is further preferred that the cross section of the support frame 31 is H-shaped, which is formed by welding an upper web 311, a lower web 312 and a middle reinforcing plate 313, the guide rail 1 is installed on the upper web 311, the fixed support 32 is installed on the side of the reinforcing plate 313, and the reinforcing plate 313 is in a triangular structure as a whole. The upper web 311, the lower web 312 and the middle reinforcing plate 313 are all made of carbon structural steel Q235 to ensure the overall structural strength, and the overall size (length * width * height) of the support frame 31 is about 23*5.5*1.2m.

[0040] In the embodiment, it is further preferred that the fixed supports 32 distributed on the outside of the support frame 31 are fixedly connected with the support frame 31, and one end of the fixed support 32 is directly welded on the reinforcing plate 313 of the support frame 31. The fixed support 32 and the support frame 31 can also be connected in a detachable structure, and one end of the fixed support 32 is fixedly connected with the reinforcing plate 313 of the support frame 31 by a bolt. As shown in Figure 1 A plurality of fixed supports 32 are arranged in parallel on one side of the support frame 31, and there are six fixed supports 32 arranged in parallel on each side to be connected with the ground.

[0041] The fixed support 32 is composed of a main body 321 and a connecting seat 322, the main body 321 extends horizontally in a direction perpendicular to the reinforcing plate 313, one end of the main body 321 is fixedly connected with the reinforcing plate 313 of the support frame 31, and the connecting seat 322 is welded below the other end of the main body 321. The connecting seat 322 is inverted T-shaped, the top of the vertical part is welded on the main body 321, and a plurality of mounting holes (not shown in the figure) for fixedly connecting with the ground are arranged on the horizontal part of the connecting seat 322. In actual installation, the bottom surface of the main body 321 is in the same plane as the bottom surface of the support frame 31 (i.e. the lower web 312), and the connecting seat 322 is below the ground during installation. In this way, the two support frames 31 can be effectively and stably fixed on the ground to prevent the device from tilting and ensure the stability of the tram during traction.

[0042] In order to fix the connecting seat 322 of the fixed support 32 and the ground together, in the embodiment, preferably, pits (not shown in the figure) are arranged on the ground where the guide rail 1 is laid, the number of the pits can match the number of the fixed support 32, the pits are arranged at the positions where the fixed support 32 is needed to be fixed, and metal boxes (not shown in the figure) are further arranged in each pit, the metal box has a cover plate, and a mounting bolt (not shown in the figure) is pre-buried in the metal box, the connecting seat 322 of the fixed support 32 is fixedly connected with the pre-buried mounting bolt, thereby realizing the fixed connection between the fixed support 32 and the ground. When the guide rail 1 is not needed to be fixed, the cover plate can be installed on the metal box to cover the metal box. By pre-burrying the mounting bolt under the ground, the device can be quickly fastened with the ground during installation.

[0043] In the embodiment, another embodiment is further provided, the pits can also be arranged along the installation path of the guide rail 1, a plurality of metal boxes pre-buried with mounting bolts are arranged in the pits, and the installation positions of the metal boxes correspond to the positions of the connecting seat 322 of the fixed support 32. The fixed supports 32 on both sides of the support frame 31 are respectively fixedly connected with the pre-buried mounting bolts in the pits.

[0044] In the embodiment, further, the guide rail 1 and the ground rail 2 are connected at one end by a connecting structure 4, the connecting structure 4 includes a recessed portion 41 arranged at the end of the support frame 31 and a support seat 42 arranged in the recessed portion 41, the recessed portion 41 is recessed from the front end to the tail end of the support frame 31, the front end of the guide rail 1 is arranged inside the recessed portion 41 and extends out of the recessed portion 41 to connect with the ground rail 2. Part of the recessed portion 41 is connected across the two sides of the ground rail 2, that is, the two side parts of the recessed portion 41 are respectively arranged on the two sides of the ground rail 2, the support seat 42 is arranged below the guide rail 1 in the recessed portion 41, the support seat 42 is fixedly connected with the mounting bolt pre-buried in the ground, the support seat 42 is generally rectangular, one corner of the support seat 42 has a missing corner for avoiding the ground rail 2 to prevent interference and damage to the ground rail 2. In this way, the guide rail 1 can be fixed firmly to ensure that the relative position is not dislocated when connected with the ground rail 2, thereby ensuring the safety during traction.

[0045] In use, the guide track 1 is customized according to the curve radius of the ground track 2, and the radius of the curve segment of the guide track 1 meets the radius requirement of the vehicle transfer from the ground track 2 to the transport platform. The plurality of fixed supports 32 on the sides of the two support frames 31 are fixedly connected together by the mounting bolts pre-buried under the ground, and the inner recessed portion 41 at the front end of the support frame 31 is bridged on both sides of the corresponding ground track 2, and the support seat 42 is fixedly connected with the mounting bolts pre-buried under the ground. The tram on the ground track 2 is guided onto the guide track 1 and directly pulled onto the transport platform.

[0046] The device is used for the transition support between the ground and the transport vehicle before the whole tram vehicle is transported, has a simple overall structure, is convenient to use, and can ensure safe and reliable use, can meet the transfer of the whole tram vehicle in the curved ground track area combined with the hardened road, can realize the whole tram vehicle transfer on the curved track, is no longer limited by the length and straightness of the line of two vehicles, effectively reduces the difficulty of the whole tram vehicle transportation application, improves the preparation efficiency of the whole tram vehicle before transportation, and improves the practicability of the whole tram vehicle transportation.

[0047] Embodiment two:

[0048] Different from the embodiment one, in the embodiment, the straight line segment and the curve segment corresponding to the guide track 1 and the support frame 31 are in a split structure, and the straight line segment and the curve segment are detachably connected through a connecting structure. The connecting structure can adopt a plug-in structure and be connected by using a latch assembly. In this way, different curve segments can be replaced according to different curve radii of the ground track 2, so that the installation difficulty and the manufacturing cost are reduced.

[0049] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and equivalent embodiments with equivalent changes are equivalent. The implementation solutions in the above embodiments can be further combined or replaced. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application are still within the scope of the present application.

Claims

1. A tram auxiliary traction transition device, characterized in that: It includes two guide rails with standard gauge. The guide rails are inclined upward in the vertical direction from one end connected to the ground track to the other end connected to the transport vehicle platform. The guide rails have a curved arc in the horizontal direction. The guide rails are fixedly connected to the ground through a fixed support frame.

2. The tram auxiliary traction transition device according to claim 1, characterized in that: The radius of curvature of the guide rail is equal to or greater than the minimum turning radius of the vehicle.

3. The tram auxiliary traction transition device according to claim 1, characterized in that: The upper rail surfaces of the two guide rails have a height difference in the vertical direction, with the upper rail surface of the guide rail on the outer side of the curvature direction being higher than that of the guide rail on the inner side.

4. The tram auxiliary traction transition device according to claim 1, characterized in that: The guide rail is a solid steel rail with a square cross-section. At the end where the guide rail connects to the ground track, the cross-sectional height of the guide rail gradually decreases, and the upper rail surface of the guide rail gradually approaches the bottom surface of the guide rail at the end.

5. The tram auxiliary traction transition device according to any one of claims 1-4, characterized in that: The fixed support frame includes two support frames and several fixed brackets. The upper surface of the support frame is inclined from one end to the other. The guide rail is installed on the upper surface of the support frame. Several fixed brackets are installed on the side of each support frame. The fixed brackets are fixedly connected to the ground. The two support frames are connected by multiple connecting columns.

6. The tram auxiliary traction transition device according to claim 5, characterized in that: The support frame has an I-shaped cross-section and is formed by welding an upper web plate, a lower web plate, and a middle reinforcing plate. The guide rail is welded to the upper web plate, and the fixed bracket is installed on the side of the reinforcing plate. The reinforcing plate has an overall triangular structure.

7. The tram auxiliary traction transition device according to claim 5, characterized in that: Multiple fixed brackets are arranged parallel to each other on one side of the support frame. Each fixed bracket consists of a straight main body and a connecting seat. The connecting seat is welded to the lower part of one end of the main body, and the other end of the main body is welded to the support frame. The connecting seat is inverted T-shaped, with the top of the vertical part welded to the main body and multiple mounting holes for fixed connection with the ground provided on the horizontal part. The bottom surface of the main body and the bottom surface of the support frame are on the same plane. The connecting seat is placed below the ground during installation.

8. The tram auxiliary traction transition device according to claim 5, characterized in that: A recess is provided on the ground where the guide rail is laid. A metal box is installed in the recess. The metal box has a cover plate. Mounting bolts are pre-embedded in the metal box. The fixing bracket is fixedly connected to the mounting bolts.

9. The tram auxiliary traction transition device according to claim 5, characterized in that: The guide rail and support frame have a connecting structure at one end where they connect to the ground track. The connecting structure includes a recessed portion at the end of the support frame and a support seat within the recessed portion. The front end of the guide rail is placed within the recessed portion and extends forward to connect with the ground track. A portion of the recessed portion spans across both sides of the ground track during connection. The end of the guide rail is fixed to the support seat, which is fixedly connected to the ground. The support seat has a notch to avoid obstructing the ground track.

10. The tram auxiliary traction transition device according to any one of claims 1-4, characterized in that: The guide rail and fixed support frame include straight sections and curved sections respectively. The front end of the straight section is connected to the ground track, and the rear end of the curved section is connected to the transport vehicle platform. The straight segment and the curved segment are a single integrated structure; Alternatively, the straight segment and the curved segment may be separate structures, and the straight segment and the curved segment may be detachably connected by a connecting structure.