Rail transit model testing device

Abstract

The invention relates to the technical field of rail transit model testing, and discloses a rail transit model testing device which comprises a bottom plate, a supporting mechanism is arranged above the bottom plate, a dismounting and mounting mechanism is arranged above the bottom plate, the supporting mechanism comprises two fixing frames, the bottom surface of each fixing frame is fixedly connected with the upper surface of the bottom plate, and the bottom surface of each fixing frame is fixedly connected with the bottom surface of the bottom plate. The front faces and the back faces of the two fixing frames are fixedly connected with fixing frames, and the inner wall of one fixing frame is fixedly connected with two first forward and reverse rotation motors. According to the rail transit model testing device, under the rotation effect of a threaded rod, a moving block and a moving plate on the surface can be driven to move, so that the position of a supporting frame can be adjusted, the supporting strength of a rail body can be changed by adjusting the distance between the supporting frame and a fixing frame, meanwhile, an electric telescopic rod is opened and can start to extend, and the testing efficiency is improved. The electric telescopic rod extends to push the supporting frame on the surface to ascend until the supporting frame moves to the position below the rail body for supporting.

Description

Technical Field

[0001] The invention relates to the technical field of rail transit model testing, and in particular to a rail transit model testing device. Background Art

[0002] Rail transit model testing refers to the process of evaluating and optimizing the entire life cycle of rail transit system design, construction, operation and maintenance through a series of scientific and systematic test methods on the basis of simulating the actual rail transit operating environment. This test usually involves verification, testing and analysis of the physical model or digital model of the rail transit system to ensure that the safety, reliability and performance of the system meet the predetermined standards. The rail transit model testing device may include a simulated environment structure, a load-bearing platform, a deflection detection device, etc., to simulate the actual rail transit operating conditions and conduct rapid and accurate testing of the model.

[0003] According to announcement number CN111504583A, a rail transit model testing device is disclosed, including a simulated environment structure, a load-bearing platform, and a deflection detection device, wherein the load-bearing platform includes a load-bearing platform frame, a trolley platform arranged on the load-bearing platform frame, and a trolley traction device, the trolley platform is arranged at both ends of the load-bearing platform frame, the trolley platform includes a platform plate and a track overlapping slide groove arranged on the platform plate, the trolley traction device is arranged at the starting end of the track overlapping slide groove, the simulated environment structure is arranged at the bottom of the load-bearing platform frame, and the deflection detection device is fixed above the load-bearing platform frame. Further, the trolley traction device includes a motor arranged at the starting end of the track overlapping slide groove, a pulley connected to the output shaft of the motor, and a traction line arranged on the pulley. Further, the load-bearing platform frame is composed of aluminum profiles with slots on four sides, and the platform plate of the trolley platform is clamped in the slot of the load-bearing platform frame.

[0004] By adopting the above technical scheme, the rail transit model testing device of the present invention has a simple structure and is easy to operate, and can meet the needs of fast and accurate testing of rail transit models. However, in the above technical scheme, during the device testing process, although the device itself can directly test the deflection data of the track, it is not convenient to adjust the support effect on the test track when testing the track deflection, so that the deflection change of the track cannot be tested according to different support strengths, and thus the optimal deflection data of the track cannot be accurately obtained. At the same time, the device itself does not have the function of quickly disassembling and assembling the track, which easily affects the disassembly and assembly efficiency when the track is disassembled and assembled. Summary of the invention

[0005] The purpose of the present invention is to provide a rail transit model testing device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: A rail transit model testing device, comprising a bottom plate, a supporting mechanism is arranged above the bottom plate, and a disassembly and assembly mechanism is arranged above the bottom plate;

[0007] The support mechanism comprises two fixing frames, the bottom surface of each fixing frame is fixedly connected to the upper surface of the bottom plate, the front and back surfaces of the two fixing frames are fixedly connected to a fixing frame, the inner wall of one of the fixing frames is fixedly connected to two first forward and reverse motors, the output end of each first forward and reverse motor power is fixedly connected to a threaded rod, one end of the two threaded rods close to each other is rotatably connected to the inner wall of the fixing frame, the inner wall of each fixing frame is slidably connected to two moving blocks, wherein the inner walls of the two moving blocks are threadedly connected to the outer surfaces of the threaded rods, the side surfaces of each group of the moving blocks close to each other are fixedly connected to a moving plate, the upper surface of each moving plate is fixedly connected to two limiting frames, the inner wall of each group of the limiting frames is slidably connected to the support frame, the inner top wall of each support frame is fixedly connected to two electric telescopic rods, and the bottom end of each electric telescopic rod is fixedly connected to the upper surface of the moving plate;

[0008] The disassembly and assembly mechanism comprises two track bodies, the bottom surface of each track body is in contact with the upper surface of the fixing frame, the bottom surface of each track body is fixedly connected to two mounting posts, the outer surface of each mounting post is slidably connected to the inner wall of the fixing frame, the inner wall of each fixing frame is fixedly connected to a support plate, the upper surface of each support plate is fixedly connected to a support frame, the inner wall of each support frame is fixedly connected to a partition plate, the inner wall of each support frame is slidably connected to two push plates, the side of each group of push plates away from each other is fixedly connected to a limiting post, the outer surface of each limiting post is slidably connected to the inner wall of the support frame, the outer surface of each limiting post is slidably connected to the inner wall of the mounting post, the side of each group of push plates close to each other is fixedly connected to a spring, the end of each group of springs close to each other is respectively fixedly connected to the front and back sides of the partition plate, the side of each group of push plates away from each other is fixedly connected to a support block, the inner wall of each support block is slidably connected to a limiting latch, and the bottom end of each limiting latch is slidably connected to the inner wall of the support plate.

[0009] Preferably, two fixing blocks are fixedly connected to the front and back sides of the bottom plate, and the inner wall of each fixing block is threadedly connected with a bolt.

[0010] Preferably, two first reinforcement blocks are fixedly connected to both side surfaces of each of the fixing frames, and the bottom surface of each of the first reinforcement blocks is fixedly connected to the upper surface of the bottom plate.

[0011] Preferably, the side surfaces of the two fixing frames that are away from each other are fixedly connected to the supporting platforms, and the side surfaces of the two supporting platforms that are close to each other are in contact with the two side surfaces of the track body respectively.

[0012] Preferably, the bottom surface of each of the support platforms is fixedly connected to two support rods, and the side surfaces of each group of support rods close to each other are fixedly connected to the side surfaces of the two fixing frames far away from each other.

[0013] Preferably, two second reinforcement blocks are fixedly connected to the front and back sides of each of the fixing frames, and a side surface of each group of the second reinforcement blocks close to each other is fixedly connected to the upper surface and the bottom surface of the fixing frame respectively.

[0014] Preferably, a test trolley is arranged above one of the support platforms, and two bidirectional forward and reverse motors are fixedly connected to the inner top wall of the test trolley.

[0015] Preferably, each output end of the bidirectional forward and reverse motor power is fixedly connected to a rotating shaft, and the ends of the two rotating shafts that are away from each other are fixedly connected to rollers, and the inner wall of each roller is in contact with the outer surface of the supporting platform.

[0016] Preferably, a storage frame is fixedly connected to the upper surface of the test trolley, and a photoelectric deflectometer is fixedly connected to the upper surface of another fixed frame.

[0017] Preferably, a cross partition is fixedly connected to the inner wall of the storage frame, and the bottom surface of the cross partition is in contact with the upper surface of the test trolley.

[0018] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0019] First, the present invention sets a first forward and reverse motor, a threaded rod, a moving block, a moving plate, a limit frame, a support frame and an electric telescopic rod, so that under the action of the first forward and reverse motor, the first forward and reverse motor can rotate to rotate the threaded rod on the surface, and under the action of the rotation of the threaded rod, the moving block and the moving plate on the surface can be driven to move, so that the position of the support frame can be adjusted, and the distance between the support frame and the fixed frame can also change the supporting strength of the track body. At the same time, the electric telescopic rod can be turned on and start to extend, and the extension of the electric telescopic rod can push the support frame on the surface to rise until it moves to the bottom of the track body for support, so that the deflection change of the track body can be tested according to different supporting strengths.

[0020] The present invention provides a support plate, an installation column, a push plate, a limit column, a partition plate, a spring, a support block and a limit pin, so that under the action of the installation column, the installation column can conveniently connect the rail body with the fixing frame and pull the limit pin out of the support plate, thereby releasing the limiting effect on the push plate. After the limiting effect of the push plate is released, the staff pushes the push plate to move by the push plate outside the support frame. During the movement of the push plate, the spring on the surface can be squeezed, and the spring can be contracted under the action of pressure. At the same time, the push plate can drive the limit column to move until the limit column moves to the vicinity of the support frame, so that the installation column can be lowered to the specified fixed position. After the installation column reaches the specified position, the staff releases the push plate, and the push plate can be quickly reset under the action of the spring and removed to the installation column for limiting. At the same time, the limit pin is reset, so that the installation work of the rail body can be completed quickly, and vice versa, it can be quickly disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the bottom plate of the present invention;

[0022] Figure 2 It is a schematic diagram of the three-dimensional structure of the fixing frame of the present invention;

[0023] Figure 3 It is a three-dimensional structural schematic diagram of a cross-section of a fixing frame of the present invention;

[0024] Figure 4 It is a schematic diagram of a three-dimensional structure of a cross-section of the support frame of the present invention;

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the cross-section of the fixing frame of the present invention;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the test trolley of the present invention in cross section.

[0027] Wherein: 1. bottom plate; 2. supporting mechanism; 201. fixing frame; 202. fixing frame; 203. first forward and reverse motor; 204. threaded rod; 205. moving block; 206. moving plate; 207. limiting frame; 208. supporting frame; 209. electric telescopic rod; 3. disassembly and assembly mechanism; 301. track body; 302. supporting plate; 303. mounting column; 304. supporting frame; 305. push plate; 306. limiting column; 307. partition plate; 308. spring; 309. supporting block; 310. limiting latch; 4. fixing block; 5. bolt; 6. first reinforcement block; 7. photoelectric deflectometer; 8. storage frame; 9. cross partition; 10. supporting platform; 11. supporting rod; 12. second reinforcement block; 13. test trolley; 14. bidirectional forward and reverse motor; 15. rotating shaft; 16. roller. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Embodiment 1

[0030] See also Figure 1-6 , a rail transit model testing device, comprising a base plate 1, a supporting mechanism 2 is arranged above the base plate 1, and a disassembly mechanism 3 is arranged above the base plate 1;

[0031] The support mechanism 2 includes two fixing frames 201, the bottom surface of each fixing frame 201 is fixedly connected to the upper surface of the bottom plate 1, the front and back surfaces of the two fixing frames 201 are fixedly connected to fixing frames 202, the inner wall of one fixing frame 202 is fixedly connected to two first forward and reverse motors 203, the output end of the power of each first forward and reverse motor 203 is fixedly connected to a threaded rod 204, the ends of the two threaded rods 204 close to each other are rotatably connected to the inner wall of the fixing frame 202, and the inner wall of each fixing frame 202 is slidably connected to Two moving blocks 205, wherein the inner walls of the two moving blocks 205 are threadedly connected to the outer surface of the threaded rod 204, and the side surfaces of each group of moving blocks 205 close to each other are fixedly connected to a moving plate 206, and the upper surface of each moving plate 206 is fixedly connected to two limit frames 207, and the inner wall of each group of limit frames 207 is slidably connected to a support frame 208, and the inner top wall of each support frame 208 is fixedly connected to two electric telescopic rods 209, and the bottom end of each electric telescopic rod 209 is fixedly connected to the upper surface of the moving plate 206.

[0032] Two fixing blocks 4 are fixedly connected to the front and back of the base plate 1, and the inner wall of each fixing block 4 is threadedly connected with a bolt 5. By setting the fixing blocks 4 and the bolts 5, the test device can be firmly fixed to avoid power failure during use.

[0033] Two first reinforcement blocks 6 are fixedly connected to the two side surfaces of each fixing frame 201, and the bottom surface of each first reinforcement block 6 is fixedly connected to the upper surface of the base plate 1. By setting the first reinforcement blocks 6, the firmness of the fixing frame 201 can be further increased to avoid separation during use.

[0034] The side surfaces of the two fixing frames 201 that are away from each other are fixedly connected to the supporting platform 10, and the side surfaces of the two supporting platforms 10 that are close to each other are respectively in contact with the two side surfaces of the track body 301. By setting up the supporting platform 10, the test trolley 13 can be conveniently supported, thereby facilitating subsequent testing work.

[0035] The bottom surface of each support platform 10 is fixedly connected to two support rods 11, and the side surfaces of each group of support rods 11 that are close to each other are fixedly connected to the side surfaces of the two fixing frames 201 that are far away from each other. By setting the support rods 11, the stability effect of the support platform 10 can be further increased, so that it can be supported more firmly.

[0036] Two second reinforcement blocks 12 are fixedly connected to the front and back of each fixing frame 201, and the side surfaces of each group of second reinforcement blocks 12 close to each other are fixedly connected to the upper surface and bottom surface of the fixing frame 202 respectively. By setting the second reinforcement blocks 12, the stability effect of the fixing frame 202 can be further increased to avoid falling during use.

[0037] The specific implementation method of this embodiment is as follows: first, the staff turns on the first forward and reverse motor 203. The rotation of the first forward and reverse motor 203 can rotate the threaded rod 204 on the surface. Under the action of the rotation of the threaded rod 204, the moving block 205 and the moving plate 206 on the surface can be driven to move, so that the position of the support frame 208 can be adjusted, and adjusting the distance between the support frame 208 and the fixed frame 201 can also change the support strength of the track body 301. Then, the electric telescopic rod 209 is turned on. The electric telescopic rod 209 can start to extend when it is turned on. The extension of the electric telescopic rod 209 can push the support frame 208 on the surface to rise until it moves to the bottom of the track body 301 for support, so as to facilitate the subsequent testing of deflection changes according to different support strengths.

[0038] Embodiment 2

[0039] See also Figure 1-6The disassembly and assembly mechanism 3 includes two track bodies 301, the bottom surface of each track body 301 is in contact with the upper surface of the fixing frame 201, the bottom surface of each track body 301 is fixedly connected to two mounting posts 303, the outer surface of each mounting post 303 is slidably connected to the inner wall of the fixing frame 201, the inner wall of each fixing frame 201 is fixedly connected to a support plate 302, the upper surface of each support plate 302 is fixedly connected to a support frame 304, the inner wall of each support frame 304 is fixedly connected to a partition plate 307, the inner wall of each support frame 304 is slidably connected to two push plates 305, and each group of push plates 305 is away from each other. The side surfaces are fixedly connected with the limiting columns 306, the outer surface of each limiting column 306 is slidably connected with the inner wall of the support frame 304, the outer surface of each limiting column 306 is slidably connected with the inner wall of the mounting column 303, the side surfaces of each group of push plates 305 close to each other are fixedly connected with the spring 308, the end of each group of springs 308 close to each other are respectively fixedly connected with the front and back sides of the partition plate 307, the side surfaces of each group of push plates 305 away from each other are fixedly connected with the support blocks 309, the inner wall of each support block 309 is slidably connected with the limiting pin 310, and the bottom end of each limiting pin 310 is slidably connected with the inner wall of the support plate 302.

[0040] A test trolley 13 is arranged above one of the support platforms 10, and two bidirectional forward and reverse motors 14 are fixedly connected to the inner top wall of the test trolley 13. By setting up the test trolley 13 and the bidirectional forward and reverse motor 14, testing work can be conveniently performed through the test trolley 13, and the bidirectional forward and reverse motor 14 can provide the power required for movement.

[0041] The output end of the power of each bidirectional forward and reverse motor 14 is fixedly connected to a rotating shaft 15, and the ends of the two rotating shafts 15 that are away from each other are fixedly connected to rollers 16. The inner wall of each roller 16 is in contact with the outer surface of the support platform 10. By setting the rollers 16 and the rotating shafts 15, the test trolley 13 can be easily driven to move, so that the testing work can be carried out quickly.

[0042] A storage frame 8 is fixedly connected to the upper surface of the test trolley 13, and a photoelectric deflection meter 7 is fixedly connected to the upper surface of another fixed frame 202. By setting the storage frame 8 and the photoelectric deflection meter 7, the storage frame 8 is convenient for placing some objects to increase the weight of the test trolley 13, and the photoelectric deflection meter 7 can conveniently detect the deflection state.

[0043] The inner wall of the storage frame 8 is fixedly connected with a cross partition 9, and the bottom surface of the cross partition 9 contacts the upper surface of the test trolley 13. By setting the cross partition 9, the interior of the storage frame 8 can be separated, thereby preventing objects from sliding inside when the space is large.

[0044] The specific implementation method of this embodiment is as follows: the staff pulls the limit latch 310 out of the support plate 302 to release the limit effect on the push plate 305. After the limit effect of the push plate 305 is released, the staff manually pushes the push plate 305 to move through the push plate 305 outside the support frame 304. During the movement of the push plate 305, the spring 308 on the surface can be squeezed. The spring 308 can shrink under the action of pressure. At the same time, the push plate 305 can drive the limit column 306 to move until the limit column 306 moves to the periphery of the support frame 304. The limiting latch 310 is then inserted into the groove at the rear for limiting, so as to prevent the limiting column 306 from rebounding. The track body 301 and the mounting column 303 are then inserted into the fixing frame 201 until the mounting column 303 drops to the specified fixed position. After the mounting column 303 reaches the specified position, the staff will pull out the limiting latch 310, and then the push plate 305 can be quickly reset under the action of the spring 308 and removed into the mounting column 303 for limiting, so that the installation of the track body 301 can be completed quickly, and vice versa, it can also be easily disassembled.

[0045] The working principle of the present invention is as follows: first, the staff turns on the power of the first forward and reverse motor 203, the electric telescopic rod 209, the bidirectional forward and reverse motor 14 and the photoelectric deflectometer 7, and then the staff pulls the limit pin 310 out of the support plate 302, thereby releasing the limiting effect on the push plate 305. After the limiting effect of the push plate 305 is released, the staff immediately manually pushes the push plate 305 to move through the push plate 305 outside the support frame 304. During the movement of the push plate 305, the spring 308 on the surface can be squeezed, and the spring 308 can shrink under the action of pressure. At the same time, the push plate 305 can drive the limit column 306 to move. The track body 301 and the mounting post 303 are then inserted into the fixing frame 201 until the mounting post 303 is lowered to the specified fixed position. After the mounting post 303 reaches the specified position, the staff will pull out the limiting pin 310, and then the push plate 305 can be quickly reset under the action of the spring 308 and removed into the mounting post 303 for limiting, so that the installation of the track body 301 can be completed quickly. Then the staff turns on the photoelectric deflection The photoelectric deflectometer 7 is a precision instrument that uses the photoelectric effect for non-contact measurement. The laser beam is focused into a tiny light spot through an optical system. The focused light spot is irradiated onto the surface of the structure to be tested. When the structure bends or the deflection changes, the position of the light spot will change accordingly. The reflected light is guided back into the sensor, so that the change in deflection can be detected. At the same time, the bidirectional forward and reverse motor 14 can drive the test trolley 13 to move, so that the test work can be carried out quickly. When it is necessary to test the deflection under different support effects, the staff turns on the first forward and reverse motor 203, and the first forward and reverse motor The rotation of 203 can rotate the threaded rod 204 on the surface. Under the action of the rotation of the threaded rod 204, the moving block 205 and the moving plate 206 on the surface can be driven to move, so that the position of the support frame 208 can be adjusted, and adjusting the distance between the support frame 208 and the fixed frame 201 can also change the support strength of the track body 301. Then, the electric telescopic rod 209 is turned on, and the electric telescopic rod 209 can start to extend. The extension of the electric telescopic rod 209 can push the support frame 208 on the surface to rise until it moves to the bottom of the track body 301 for support, thereby facilitating the testing of deflection changes according to different support strengths.

[0046] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0047] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rail transit model testing device, comprising a base plate (1), characterized in that: A supporting mechanism (2) is arranged above the bottom plate (1), and a disassembly and assembly mechanism (3) is arranged above the bottom plate (1); The support mechanism (2) comprises two fixing frames (201), the bottom surface of each fixing frame (201) is fixedly connected to the upper surface of the bottom plate (1), the front and back surfaces of the two fixing frames (201) are fixedly connected to a fixing frame (202), the inner wall of one of the fixing frames (202) is fixedly connected to two first forward and reverse motors (203), the output end of the power of each first forward and reverse motor (203) is fixedly connected to a threaded rod (204), the ends of the two threaded rods (204) close to each other are rotatably connected to the inner wall of the fixing frame (202), and the inner wall of each fixing frame (202) is slidably connected to the inner wall of the fixing frame (202). There are two moving blocks (205), wherein the inner walls of the two moving blocks (205) are both threadedly connected to the outer surface of the threaded rod (204), and the side surfaces of each group of the moving blocks (205) close to each other are fixedly connected to a moving plate (206), and the upper surface of each moving plate (206) is fixedly connected to two limit frames (207), and the inner wall of each group of the limit frames (207) is slidably connected to a support frame (208), and the inner top wall of each support frame (208) is fixedly connected to two electric telescopic rods (209), and the bottom end of each electric telescopic rod (209) is fixedly connected to the upper surface of the moving plate (206); The disassembly and assembly mechanism (3) comprises two track bodies (301), the bottom surface of each track body (301) is in contact with the upper surface of the fixing frame (201), the bottom surface of each track body (301) is fixedly connected to two mounting posts (303), the outer surface of each mounting post (303) is slidably connected to the inner wall of the fixing frame (201), the inner wall of each fixing frame (201) is fixedly connected to a support plate (302), the upper surface of each support plate (302) is fixedly connected to a support frame (304), the inner wall of each support frame (304) is fixedly connected to a partition plate (307), the inner wall of each support frame (304) is slidably connected to two push plates (305), and each group of push plates (305) is spaced apart from each other. The side away from each other is fixedly connected to a limiting column (306), the outer surface of each limiting column (306) is slidably connected to the inner wall of the support frame (304), the outer surface of each limiting column (306) is slidably connected to the inner wall of the mounting column (303), the side of each group of push plates (305) close to each other is fixedly connected to a spring (308), the end of each group of springs (308) close to each other is respectively fixedly connected to the front and back sides of the partition plate (307), the side of each group of push plates (305) away from each other is fixedly connected to a support block (309), the inner wall of each support block (309) is slidably connected to a limiting latch (310), and the bottom end of each limiting latch (310) is slidably connected to the inner wall of the support plate (302).

2. A rail transit model testing device according to claim 1, characterized in that: Two fixing blocks (4) are fixedly connected to the front and back sides of the bottom plate (1), and the inner wall of each fixing block (4) is threadedly connected to a bolt (5).

3. A rail transit model testing device according to claim 1, characterized in that: Two first reinforcement blocks (6) are fixedly connected to the two side surfaces of each of the fixing frames (201), and the bottom surface of each of the first reinforcement blocks (6) is fixedly connected to the upper surface of the bottom plate (1).

4. A rail transit model testing device according to claim 1, characterized in that: The side surfaces of the two fixing frames (201) that are away from each other are fixedly connected to the support platform (10), and the side surfaces of the two support platforms (10) that are close to each other are in contact with the two side surfaces of the track body (301) respectively.

5. A rail transit model testing device according to claim 4, characterized in that: The bottom surface of each support platform (10) is fixedly connected to two support rods (11), and the side surfaces of each group of support rods (11) close to each other are fixedly connected to the side surfaces of the two fixing frames (201) far away from each other.

6. A rail transit model testing device according to claim 1, characterized in that: Two second reinforcement blocks (12) are fixedly connected to the front and back sides of each fixing frame (201), and the side surfaces of each group of second reinforcement blocks (12) close to each other are fixedly connected to the upper surface and the bottom surface of the fixing frame (202) respectively.

7. A rail transit model testing device according to claim 4, characterized in that: A test trolley (13) is arranged above one of the support platforms (10), and two bidirectional forward and reverse motors (14) are fixedly connected to the inner top wall of the test trolley (13).

8. A rail transit model testing device according to claim 7, characterized in that: The output end of the power of each bidirectional forward and reverse motor (14) is fixedly connected to a rotating shaft (15), and the ends of the two rotating shafts (15) that are away from each other are fixedly connected to rollers (16), and the inner wall of each roller (16) is in contact with the outer surface of the supporting platform (10).

9. A rail transit model testing device according to claim 7, characterized in that: A storage frame (8) is fixedly connected to the upper surface of the test trolley (13), and a photoelectric deflectometer (7) is fixedly connected to the upper surface of another fixed frame (202).

10. A rail transit model testing device according to claim 9, characterized in that: A cross partition (9) is fixedly connected to the inner wall of the storage frame (8), and the bottom surface of the cross partition (9) is in contact with the upper surface of the test trolley (13).

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