Supporting tool for a rail vehicle

Abstract

The application provides a supporting tool for a rail vehicle, and belongs to the technical field of vehicle maintenance, and comprises a base, movable rails, a supporting assembly and a suspension assembly; two movable rails are arranged in parallel and at intervals on the base and are connected to the base through a set of connecting rods, and the movable rails and the base can rotate relative to the connecting end of the connecting rod and the base; the end of each movable rail is used for butt joint with existing rails on both sides of a foundation pit; the supporting assembly is arranged at the middle part of the base and extends to the two movable rails at both ends along a second direction; two sets of suspension assemblies are symmetrically arranged at both ends of the base along the second direction; when a hoisting device drives the base, the supporting assembly and the vehicle body upward, the movable rails rotate relative to the base, so that the movable rails remain in the butt joint state with the existing rails. The supporting tool for the rail vehicle can reduce the high maintenance cost, simplify the operation process, improve the maintenance efficiency and driving stability.

Description

Technical Field

[0001] The present invention belongs to the technical field of vehicle maintenance, and more specifically, relates to a supporting tool for a rail vehicle. Background Art

[0002] When a rail vehicle is undergoing maintenance or troubleshooting bogie-related issues, it is necessary to support the vehicle, also known as a vehicle lift. A common method is to use a vehicle lift to lift the vehicle body and allow maintenance personnel to perform maintenance on the vehicle.

[0003] In the prior art, when driving, four car-lifting machines need to be used simultaneously. The car-lifting machine supports cooperate with the existing lifting tooling to lift the car body and lift one car body. When lifting the vehicle as a whole, 16 car-lifting machines are needed. The maintenance cost is high, many operators are required, and the work efficiency is low. In addition, the operation process is complicated, and it is inconvenient to realize the synchronous action of multiple car-lifting machines, which affects the stability of the car body support. Summary of the Invention

[0004] The purpose of the present invention is to provide a support tool for a rail vehicle, aiming to solve the technical problems of high maintenance cost, low efficiency, complex operation and poor driving stability during maintenance of existing rail vehicles.

[0005] To achieve the above-mentioned object, the technical solution adopted by the present invention is as follows: providing a support fixture for a rail vehicle, which is arranged in a foundation pit along an extension direction perpendicular to the existing rails, wherein the extension direction of the existing rails is defined as a first direction, and a horizontal direction perpendicular to the first direction is defined as a second direction; the support fixture for the rail vehicle comprises:

[0006] a base extending along the second direction and disposed in the foundation pit;

[0007] Two movable steel rails are arranged on the base in parallel and at intervals, and are respectively connected to the base through a set of connecting rods, and the movable steel rails and the base can rotate relative to each other around the connecting ends of the connecting rods and the base; the ends of each movable steel rail are used to dock with the existing steel rails on both sides of the foundation pit;

[0008] a support assembly, disposed in the middle of the base, with both ends extending along the second direction to the two movable rails; the support assembly is used to support the bottom of the bogie of the vehicle body; and

[0009] Two sets of suspension components are symmetrically arranged at both ends of the base along the second direction; the suspension components are used to connect with the lifting equipment;

[0010] When the hoisting equipment drives the base, the support assembly and the vehicle body to lift upward through the suspension assembly, the movable rail and the base rotate relative to each other, so that the movable rail remains in a state of docking with the existing rail.

[0011] In one possible implementation, the base is provided with two connecting rods corresponding one to one with the two movable rails; one end of the connecting rod is connected to the movable rail, and the other end is placed under the support assembly and hinged to the base; wherein the movable rail is rotatably connected to the base through the connecting rod.

[0012] In some embodiments, a group of support beams is provided under each movable rail, and a first yielding portion is provided at the bottom of the base; the lower end of the support beam passes downward through the first yielding portion and is fixed to the bottom surface of the foundation pit.

[0013] Exemplarily, the base is provided with second clearance portions on the front and rear sides along the first direction, and when the hoisting equipment drives the base, the support assembly and the vehicle body to lift upward through the suspension assembly, the movable rail is placed in the second clearance portion.

[0014] In one possible implementation, the support assembly includes:

[0015] an upper support plate, provided on the top surface of the base, with both ends of the upper support plate extending along the second direction to positions close to the two movable rails;

[0016] A plurality of cross-bracing beams are respectively arranged on both sides of the base along the first direction, and the plurality of cross-bracing beams are arranged at intervals along the second direction.

[0017] In some embodiments, a shock-absorbing pad is provided on the top surface of each of the cross bracing beams at one end away from the upper bracing plate.

[0018] In one possible implementation, the suspension assembly includes:

[0019] a suspension rod, one end of which is hinged to an end of the base away from the support assembly;

[0020] A hanging lug is provided at the other end of the suspension rod;

[0021] In which, the suspension rod has a storage state in which it is horizontally placed in the base along the second direction, and the suspension rod also has a suspension state in which it is rotated to extend upward in the vertical direction; when the suspension rod is in the suspension state, the lifting ear is used to connect with the lifting equipment.

[0022] In some embodiments, a baffle is provided at each end of the base along the second direction; when the suspension rod is in the storage state, the baffle cover is provided on the base and is placed above the suspension rod.

[0023] Exemplarily, mounting positions with openings facing upward are provided at both ends of the base, and support plates for supporting the suspension rod are provided in the mounting positions.

[0024] In a possible implementation, at least two groups of support columns are provided at the bottom of the base, and the two groups of support columns are spaced apart along the second direction.

[0025] The solution shown in the embodiment of the present application, compared with the prior art, ensures the integrity of the rails by docking the movable rails with the existing rails, so that the vehicle passage is not affected when the support tooling of the rail vehicle is in a non-raised state; maintains the docking state of the movable rails with the existing rails when the support tooling of the rail vehicle is raised by making the movable rails rotate relative to the base; supports the support assembly under the car body bogie and provides a suspension assembly so that the base, support assembly and car body can be lifted upward by the lifting equipment, so that the two ends of the car body are lifted to the same height and maintained in a stable lifted state, thereby facilitating the inspection and maintenance of the car body, eliminating the need to set up multiple car lifting machines, saving labor operation costs, and being simple to operate, which can effectively improve the inspection efficiency and the stability of the car lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 A schematic diagram of the installation structure of a support fixture for a rail vehicle provided in an embodiment of the present invention;

[0028] Figure 2 Schematic diagram of the structure of the support tooling for the rail vehicle provided by the embodiment of the present invention Figure 1 ;

[0029] Figure 3 A schematic cross-sectional view of a support fixture for a rail vehicle provided in an embodiment of the present invention;

[0030] Figure 4 A schematic diagram of a portion of the structure of a base provided in an embodiment of the present invention;

[0031] Figure 5 Schematic diagram of the structure of the support tooling for the rail vehicle provided by the embodiment of the present invention Figure 2 .

[0032] In the picture:

[0033] 1. Foundation pit;

[0034] 2. Existing rails;

[0035] 3. Base; 31. First clearance portion; 32. Second clearance portion; 33. Mounting position; 34. Support plate

[0036] 4. Movable rails;

[0037] 5. Support assembly; 51. Upper support plate; 52. Cross bracing beam; 53. Shock-absorbing pad;

[0038] 6. Suspension assembly; 61. Suspension rod; 62. Lifting lug; 63. Baffle;

[0039] 7. Connecting rod;

[0040] 8. Support beam;

[0041] 9. Support column. DETAILED DESCRIPTION

[0042] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0043] It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or indirectly on the other element. It should be understood that the terms “length”, “width”, “upper”, “lower”, “front”, “back”, “top”, “bottom”, “inside”, “outside”, etc., indicating positions or positional relationships, are based on the positions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0044] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "several" means two or more, unless otherwise specifically defined.

[0045] Please also refer to Figures 1 to 5The support fixture of the rail vehicle provided by the present invention is now described. The support fixture of the rail vehicle is arranged in the foundation pit 1 along the extension direction perpendicular to the existing rail 2, and the extension direction of the existing rail 2 is defined as the first direction, and the horizontal direction perpendicular to the first direction is defined as the second direction; the support fixture of the rail vehicle includes a base 3, two movable rails 4, a support assembly 5 and two sets of suspension assemblies 6; the base 3 is extended along the second direction and arranged in the foundation pit 1; the two movable rails 4 are arranged on the base 3 in parallel and at intervals, and are respectively connected to the base 3 by a set of connecting rods 7, and the movable rails 4 and the base 3 can rotate relative to each other around the connection ends of the connecting rods 7 and the base 3. The movable rail 4 is movable; the end of each movable rail 4 is used to dock with the existing rails on both sides of the foundation pit 1; the support assembly 5 is provided in the middle of the base 3, and the two ends extend to the two movable rails 4 respectively along the second direction; the support assembly 5 is used to support the bottom of the bogie of the vehicle body; two sets of suspension assemblies 6 are symmetrically provided at both ends of the base 3 along the second direction; the suspension assembly 6 is used to connect with the lifting equipment; wherein, when the lifting equipment drives the base 3, the support assembly 5 and the vehicle body to lift upward through the suspension assembly 6, the movable rail 4 rotates relative to the base 3, so that the movable rail 4 remains in a state of docking with the existing rail.

[0046] For ease of understanding, this application uses the Figure 1 The direction of the arrow A in the middle indicates the second direction. Figure 1 The direction of the arrow B indicates the first direction.

[0047] It should be understood that the support tooling of the rail vehicle has a contained state placed in the foundation pit 1, and also has a lifted state moving upward with the lifting equipment to away from the bottom of the foundation pit 1; and when the support tooling of the rail vehicle is in the contained state, the end of the movable rail 4 is docked with the existing rail to ensure the integrity of the rail; when the support tooling of the rail vehicle is in the lifted state, the movable rail 4 rotates around the hinge center of the movable rail 4 and the base 3 under the action of its own gravity, so that the movable rail 4 falls back to the position docking with the existing rail; in addition, the movable rail 4 is connected to the base 3 through the connecting rod 7 to ensure the integrity of the entire tooling and facilitate the positioning of the base 3 when installing the base 3.

[0048] It should be noted that the lifting principle and specific structure of the lifting equipment used in this application belong to the existing technology. The lifting equipment can drive the two ends of the supporting tooling of the rail vehicle to lift upward, so that the supporting tooling and the supporting vehicle body structure of the rail vehicle remain stable. Its specific structure and working principle will not be repeated here.

[0049] In addition, the support tooling of the rail vehicle used in this application is arranged in the above-mentioned foundation pit 1, and the top surface of the foundation pit 1 is provided with the above-mentioned existing rails 2. The existing rails 2 include four, and every two existing rails 2 are arranged in parallel on one side of the foundation pit 1.

[0050] The support fixture for a rail vehicle provided by the present invention is different from the prior art in that the movable rail 4 is docked with the existing rail to ensure the integrity of the rail, so that the vehicle passage is not affected when the support fixture for the rail vehicle is in a non-raised state; the movable rail 4 is rotated relative to the base 3 to maintain the docking state of the movable rail 4 with the existing rail when the support fixture for the rail vehicle is raised; the support assembly 5 is supported under the car body bogie and a suspension assembly 6 is provided so that the base 3, the support assembly 5 and the car body can be lifted upward by the lifting equipment, so that the two ends of the car body are lifted to the same height and a stable lifting state is maintained, thereby facilitating the inspection and maintenance of the car body, without the need to set up multiple car lifting machines, saving manpower operation costs, and simple operation, which can effectively improve the inspection efficiency and the stability of the car lifting.

[0051] See also Figure 3 In some possible embodiments, two connecting rods 7 corresponding one to one with the two movable rails 4 are provided on the base 3; one end of the connecting rod 7 is connected to the movable rail 4, and the other end is placed under the support assembly 5 and hinged to the base 3; wherein, the movable rail 4 is rotatably connected to the base 3 through the connecting rod 7.

[0052] By providing the connecting rod 7, one end of the connecting rod 7 connected to the movable rail 4 is rotated around its hinged end, so that the movable rail 4 maintains a docking state with the existing rail.

[0053] See also Figure 2 and Figure 4 In some embodiments, a group of support beams 8 are correspondingly provided under each movable rail 4, and a first clearance portion 31 is provided at the bottom of the base 3; the lower end of the support beam 8 passes downward through the first clearance portion 31 and is fixed to the bottom surface of the foundation pit 1.

[0054] By providing the first paving portion 31 , the upper end of the support beam 8 passes through the first paving portion 31 and is supported below the movable rail 4 , thereby ensuring the support stability of the movable rail 4 .

[0055] See also Figure 4 For example, the base 3 is provided with a second clearance portion 32 on the front and rear sides along the first direction. When the lifting equipment drives the base 3, the support assembly 5 and the vehicle body to lift upward through the suspension assembly 6, the movable rail 4 is placed in the second clearance portion 32.

[0056] The second relief portion 32 is provided to avoid interference between the base 3 and the movable rail 4 when the base 3 is lifted upward.

[0057] See also Figure 2In some possible embodiments, the support assembly 5 includes an upper support plate 51 and a plurality of cross support beams 52; the upper support plate 51 is arranged on the top surface of the base 3, and the two ends of the upper support plate 51 extend along the second direction to near the two movable rails 4; the plurality of cross support beams 52 are respectively arranged on both sides of the base 3 along the first direction, and the plurality of cross support beams 52 are arranged at intervals along the second direction.

[0058] The upper support plate 51 is provided to support the bogie, thereby supporting the vehicle body structure; and the cross bracing beam 52 is provided to provide auxiliary support for the bogie.

[0059] Optionally, the cross bracing beam 52 includes a connecting rib plate and a horizontal bracing plate, one end of the connecting rib plate is fixedly connected to the base 3, and the other end extends in a direction away from the base 3, and the extended end of the connecting rib plate is provided with a horizontal bracing plate arranged horizontally, which is used to assist in supporting the bottom of the bogie.

[0060] Exemplarily, the upper support plate 51 includes a first support plate located in the middle and two sets of second support plates located at both ends of the first support plate, and the second support plates are detachably connected to the base 3 so that when the second support plates are removed, the connecting rod 7 of the movable rail 4 can be installed. Specifically, the second support plates are connected to the two side plates of the base 3 by threads.

[0061] Optionally, a clearance groove is provided at both ends of the upper support plate 51 close to the movable rail 4, and the clearance groove is used to prevent the upper support plate 51 from interfering with the movable rail 4 when lifting; specifically, the clearance groove can be a U-shaped groove.

[0062] See also Figure 2 In some embodiments, a shock-absorbing pad 53 is provided on the top surface of each cross bracing beam 52 away from the upper bracing plate 51 .

[0063] The shock-absorbing pad 53 is provided to achieve buffering and shock absorption of the vehicle body, thereby avoiding damage to the vehicle body structure.

[0064] See also Figure 5 In some possible embodiments, the suspension assembly 6 includes a suspension rod 61 and a lifting ear 62; one end of the suspension rod 61 is hinged to the end of the base 3 away from the support assembly 5; the lifting ear 62 is provided at the other end of the suspension rod 61; wherein, the suspension rod 61 has a storage state in which it is horizontally placed in the base 3 along the second direction, and the suspension rod 61 also has a suspension state in which it is rotated to extend upward in the vertical direction; when the suspension rod 61 is in the suspension state, the lifting ear 62 is used to connect with the lifting equipment.

[0065] It should be understood that when the support tooling of the rail vehicle is in the accommodated state, the suspension rod 61 is in the above-mentioned storage state. When the suspension rod 61 is in the suspended state, the support tooling of the rail vehicle can be moved upward from the accommodated state to the lifted state under the drive of the lifting equipment to realize the upward lifting of the vehicle body.

[0066] See also Figure 2 In some embodiments, a baffle 63 is provided at each end of the base 3 along the second direction; when the suspension rod 61 is in the storage state, the baffle 63 is covered on the base 3 and placed above the suspension rod 61.

[0067] By setting the baffle 63, when the supporting tooling of the rail vehicle is in the accommodating state, the baffle 63 is covered on the base 3 to form a passage for pedestrians to pass through, thereby preventing pedestrians from getting stuck in the base 3 when passing through and eliminating safety hazards.

[0068] See also Figure 4 For example, mounting positions 33 with openings facing upward are provided at both ends of the base 3 , and support plates 34 for supporting the suspension rod 61 are provided in the mounting positions 33 .

[0069] By providing the mounting position 33 , when the suspension rod 61 is in the storage state, the suspension rod 61 is horizontally supported on the corresponding support plate 34 .

[0070] See also Figure 3 In some possible embodiments, at least two groups of support columns 9 are provided at the bottom of the base 3 , and the two groups of support columns 9 are spaced apart along the second direction.

[0071] By providing the support columns 9 , when the support fixture of the rail vehicle is in the accommodated state, the support columns 9 are used to support the base 3 .

[0072] Specifically, the base 3 includes two groups of side panels, a bottom plate and multiple groups of ribs; the two groups of side panels extend along the second direction, and the side panels are provided with the above-mentioned second make way portions 32, the bottom plate is arranged at the bottom of the two groups of vehicle plates, and is provided with the above-mentioned first make way portions 31, and the above-mentioned two groups of support columns 9 are supported on the base 3; the multiple groups of ribs are arranged between the two groups of side panels at intervals along the second direction, and the two ends of the ribs are respectively connected to the side panels.

[0073] For details, please refer to Figure 2 and Figure 5When supporting the car body, a preparation stage must be carried out first. The supporting tooling of the rail vehicle must be installed in the foundation pit 1, and the two ends of the movable rail 4 must be docked with the existing rails respectively; the bogie of the car body must be supported on the support assembly 5; and then the lifting stage must be carried out. The hoisting equipment must be connected to the suspension assembly 6, so that the hoisting equipment drives the base 3, the support assembly 5 and the car body to lift upward through the suspension assembly 6, and the movable rail 4 rotates around its hinge center and maintains a docking state with the existing rail; after completing the inspection of the lifted car body, the hoisting equipment drives the base 3, the support assembly 5 and the car body to move downward through the suspension assembly 6, and the movable rail 4 rotates around its hinge center and maintains a docking state with the existing rail, and the above-mentioned support column 9 is supported on the bottom surface of the base 3 again.

[0074] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A support fixture for a rail vehicle, arranged in a foundation pit along a direction perpendicular to the extension of an existing rail, wherein the extension direction of the existing rail is defined as a first direction, and a horizontal direction perpendicular to the first direction is defined as a second direction; characterized in that: The support tooling for the rail vehicle includes: a base extending along the second direction and disposed in the foundation pit; Two movable steel rails are arranged on the base in parallel and at intervals, and are respectively connected to the base through a set of connecting rods, and the movable steel rails and the base can rotate relative to each other around the connecting ends of the connecting rods and the base; the ends of each movable steel rail are used to dock with the existing steel rails on both sides of the foundation pit; a support assembly, disposed in the middle of the base, with both ends extending along the second direction to the two movable rails; the support assembly is used to support the bottom of the bogie of the vehicle body; and Two sets of suspension components are symmetrically arranged at both ends of the base along the second direction; the suspension components are used to connect with the lifting equipment; When the hoisting equipment drives the base, the support assembly and the vehicle body to lift upward through the suspension assembly, the movable rail and the base rotate relative to each other, so that the movable rail remains in a state of docking with the existing rail.

2. The support fixture for a rail vehicle according to claim 1, wherein: The base is provided with two connecting rods corresponding to the two movable rails one by one; one end of the connecting rod is connected to the movable rail, and the other end is placed under the support assembly and hinged to the base; wherein the movable rail is rotatably connected to the base through the connecting rod.

3. The support fixture for a rail vehicle according to claim 2, wherein: A group of support beams is correspondingly provided under each movable rail, and a first yielding portion is provided at the bottom of the base; the lower end of the support beam passes downward through the first yielding portion and is fixed to the bottom surface of the foundation pit.

4. The support fixture for a rail vehicle according to claim 3, characterized in that: The base is provided with second paving parts on both sides of the front and rear along the first direction. When the hoisting equipment drives the base, the support assembly and the vehicle body to lift upward through the suspension assembly, the movable rail is placed in the second paving parts.

5. The support fixture for a rail vehicle according to claim 1, wherein: The support assembly comprises: an upper support plate, provided on the top surface of the base, with both ends of the upper support plate extending along the second direction to positions close to the two movable rails; A plurality of cross-bracing beams are respectively arranged on both sides of the base along the first direction, and the plurality of cross-bracing beams are arranged at intervals along the second direction.

6. The support fixture for a rail vehicle according to claim 5, characterized in that: A top surface of each of the cross bracing beams away from one end of the upper bracing plate is provided with a shock-absorbing pad.

7. The support fixture for a rail vehicle according to claim 1, wherein: The suspension assembly comprises: a suspension rod, one end of which is hinged to an end of the base away from the support assembly; A hanging lug is provided at the other end of the suspension rod; In which, the suspension rod has a storage state in which it is horizontally placed in the base along the second direction, and the suspension rod also has a suspension state in which it is rotated to extend upward in the vertical direction; when the suspension rod is in the suspension state, the lifting ear is used to connect with the lifting equipment.

8. The support fixture for a rail vehicle according to claim 7, wherein: A baffle is respectively provided at both ends of the base along the second direction; when the suspension rod is in the storage state, the baffle cover is arranged on the base and placed above the suspension rod.

9. The support fixture for a rail vehicle according to claim 7 or 8, characterized in that: Mounting positions with openings facing upward are provided at both ends of the base, and support plates for supporting the suspension rod are provided in the mounting positions.

10. The support fixture for a rail vehicle according to claim 1, wherein: At least two groups of support columns are provided at the bottom of the base, and the two groups of support columns are spaced apart along the second direction.

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