A subway vehicle door testing device

Abstract

The utility model discloses a subway vehicle door testing device in the field of vehicle door detection technology, comprising a bracket, an adjusting component for adjusting the lifting height is installed at the bottom of the inner side of the bracket, a movable frame is installed on the inner side of the bracket, a conveyor belt is installed on the inner side of the movable frame, two groups of clamping components for fixing are installed on the top of the bracket, and a movable frame is installed on the outer side of the bracket. The movable frame can be driven to change its height through the adjusting component, so that the conveyor belt on the top of the movable frame can drive the workpiece to be transported, and after the conveyor belt on the top of the movable frame falls, the workpiece is placed in the clamping component for clamping and fixing, which solves the problem that the existing equipment is not convenient for driving the workpiece for transportation and placement detection, and the stability of the workpiece fixing is low, which easily causes the workpiece to deviate or shake, and the existing equipment cannot conveniently perform downward pressure detection on different positions of the workpiece, which affects the accuracy and practicality of the equipment for detecting the workpiece.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle door detection, in particular to a subway vehicle door testing device. Background Art

[0002] Urban rail transit models refer to the models of vehicles used in urban rail transit, such as subways, light rails, urban express rails, monorails, and trams. As an important component of subway vehicles, car doors are usually tested and verified before they are put into use to ensure that they can meet the overall subway's needs for car door safety, strength, and reliability. Car door static pressure test is currently a commonly used testing method. By fixing the car door on the fixture of the test bench and using static pressure equipment to test its stress and deformation performance, the side impact performance of the car door is indirectly evaluated. Subway vehicle doors need to be tested during the production and processing process. The existing testing equipment has a poor fixing effect when testing vehicle doors, which affects the accuracy of the test.

[0003] When the existing equipment performs compression resistance test on vehicle doors, the vehicle doors are heavy and it is not convenient to drive the workpiece for transportation and placement testing, and the stability of the workpiece fixation is low, which can easily cause the workpiece to shift or shake, and the existing equipment cannot conveniently perform downward pressure testing on different positions of the workpiece, affecting the accuracy and practicality of the equipment in testing the workpiece. Therefore, those skilled in the art provide a subway vehicle door testing device to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a subway vehicle door testing device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a subway vehicle door testing device, comprising a bracket, an adjusting assembly for adjusting the lifting height is installed at the bottom of the inner side of the bracket, a movable frame is installed at the inner side of the bracket, a conveyor belt is installed at the inner side of the movable frame, and the top of the movable frame is slidably connected to the bracket;

[0006] Two groups of clamping components for fixing are installed on the top of the bracket, and a moving frame for supporting is installed on the outer side of the bracket, and the moving frame is slidably connected with the bracket.

[0007] Preferably: the adjusting assembly includes a first screw rod that passes through the bracket for driving, a motor is installed on one side of the bracket and on one end of the first screw rod, two driving blocks are mounted on the outside of the first screw rod, a support plate is installed on one side of the driving block, and a sliding block is installed on the other end of the support plate, a movable groove is opened at the bottom of the movable frame, the driving block is hinged to one end of the support plate, and the other end of the support plate is hinged to the sliding block, the two support plates are hinged, the first screw is a bidirectional screw, the driving block is slidably connected to the movable groove, and the sliding block is slidably connected to the movable groove.

[0008] Preferably: the adjustment assembly includes fixed blocks respectively installed on both sides of the movable frame, fixing grooves are respectively opened on both sides of the bracket, a movable through hole is opened on the top of the movable frame, a first cylinder is installed on one side of the movable frame, a first push rod is installed at one end of the first cylinder, a movable block is installed inside the movable through hole and at one end of the first push rod, and the movable block is slidably connected to the movable through hole.

[0009] Preferably, the adjusting assembly further comprises a second cylinder mounted on the top of the moving block, a second push rod is mounted on one end of the second cylinder, and a pressing block for pressing the workpiece is mounted on the bottom of the second push rod.

[0010] Preferably: the clamping assembly includes two sets of fixing frames installed on the top of the bracket and located on both sides for support, anti-slip strips are laid on the top of the bracket and below the fixing frames, the fixing frames are fixedly connected to the bracket, and the cross-section of the fixing frames is L-shaped.

[0011] Preferably: the clamping assembly also includes a second screw installed on the top of the fixing frame for driving, a connecting block is installed at the bottom of the second screw, a pressure plate is installed at the bottom of the connecting block, an anti-slip pad is laid at the bottom of the pressure plate, the second screw passes through the fixing frame and is threadedly connected thereto, and the second screw is rotatably connected to the connecting block and does not detach.

[0012] Preferably, two first limit rods are installed on the inner side of the bracket, and two second limit rods are installed on the inner side of the movable groove. The first limit rods penetrate the driving block and are slidably connected thereto, and the second limit rods penetrate the sliding block and are slidably connected thereto.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, a movable frame and a mobile frame are provided, and the height of the movable frame can be driven to change through an adjusting component, so that the conveyor belt on the top of the movable frame can drive the workpiece to be conveyed. After the conveyor belt on the top of the movable frame falls, the workpiece is placed in the clamping component for clamping and fixing. The mobile frame drives the adjusting component to move horizontally, and the adjusting component can move in the longitudinal and vertical directions. The compressive resistance of the workpiece can be tested by using the adjusting component, thereby improving the accuracy and practicality of the equipment in detecting the workpiece.

[0015] 2. In the utility model, by setting a first screw rod, a driving block and a support plate, the first screw rod can drive the two driving blocks to move closer to or away from each other, and the driving block can drive the sliding block to slide in the movable groove through the support plate, so that the two sliding blocks drive the movable frame to change its height in the bracket, so that the movable frame can support the conveyor belt to drive the workpiece to be transported and placed, thereby improving the convenience of transferring the workpiece.

[0016] 3. In the utility model, by setting a moving block and a pressing block, the operator drives the moving frame to slide on the outside of the bracket, the first cylinder can drive the moving block to slide in the sliding through hole through the first push rod, and the second cylinder can drive the pressing block to move up and down through the second push rod, so that the pressing block can perform compression resistance test on the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a front cutaway stereoscopic view of the overall structure of the utility model;

[0019] Figure 3 It is a left-side cutaway stereoscopic view of the overall structure of the utility model;

[0020] Figure 4 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;

[0021] Figure 5 The overall structure of the utility model Figure 3 Enlarged view of point B in the middle.

[0022] In the figure: 1. bracket; 2. movable frame; 3. conveyor belt; 4. movable frame; 5. first screw; 6. motor; 7. driving block; 8. support plate; 9. sliding block; 10. movable groove; 11. fixed block; 12. fixed groove; 13. movable through hole; 14. first cylinder; 15. first push rod; 16. movable block; 17. second cylinder; 18. second push rod; 19. pressing block; 20. fixed frame; 21. anti-skid strip; 22. second screw; 23. connecting block; 24. pressing plate; 25. anti-skid pad; 26. first limiting rod; 27. second limiting rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 to Figure 5 In an embodiment of the utility model, a subway vehicle door testing device includes a bracket 1, an adjusting component for adjusting the lifting height is installed at the bottom inner side of the bracket 1, a movable frame 2 is installed inside the bracket 1, a conveyor belt 3 is installed inside the movable frame 2, the top of the movable frame 2 is slidably connected to the bracket 1, two groups of clamping components for fixing are installed on the top of the bracket 1, a movable frame 4 for supporting is installed outside the bracket 1, and the movable frame 4 is slidably connected to the bracket 1.

[0025] When in use, the movable frame 2 can be driven to change its height through the adjusting component, so that the conveyor belt 3 on the top of the movable frame 2 can drive the workpiece for transportation. After the conveyor belt 3 on the top of the movable frame 2 falls, the workpiece is placed in the clamping component for clamping and fixing. The movable frame 4 drives the adjusting component to move laterally. The adjusting component can move in the longitudinal and vertical directions. The adjusting component can be used to test the compressive resistance of the workpiece, thereby improving the accuracy and practicality of the equipment in testing the workpiece.

[0026] In one embodiment, specifically, the adjustment component includes a first screw rod 5 that passes through the bracket 1 for driving, a motor 6 is installed on one side of the bracket 1 and at one end of the first screw rod 5, two driving blocks 7 are mounted on the outside of the first screw rod 5, a support plate 8 is installed on one side of the driving block 7, and a sliding block 9 is installed on the other end of the support plate 8. A movable groove 10 is opened at the bottom of the movable frame 2, the driving block 7 is hinged to one end of the support plate 8, and the other end of the support plate 8 is hinged to the sliding block 9, the two support plates 8 are hinged, the first screw 5 is a bidirectional screw, the driving block 7 is slidably connected to the movable groove 10, and the sliding block 9 is slidably connected to the movable groove 10.

[0027] Among them, the first screw 5 can drive the two driving blocks 7 to move closer to or away from each other, and the driving block 7 can drive the sliding block 9 to slide in the movable groove 10 through the support plate 8, so that the two sliding blocks 9 drive the movable frame 2 to change its height in the bracket 1, so that the movable frame 2 can support the conveyor belt 3 to drive the workpiece for transportation and placement, thereby improving the convenience of transferring the workpiece.

[0028] Furthermore, the adjusting component includes fixed blocks 11 respectively installed on both sides of the movable frame 4, fixed grooves 12 are respectively opened on both sides of the bracket 1, a movable through hole 13 is opened on the top of the movable frame 4, a first cylinder 14 is installed on one side of the movable frame 4, a first push rod 15 is installed at one end of the first cylinder 14, a movable block 16 is installed inside the movable through hole 13 and at one end of the first push rod 15, the adjusting component also includes a second cylinder 17 installed on the top of the movable block 16, a second push rod 18 is installed at one end of the second cylinder 17, a pressing block 19 for squeezing the workpiece is installed at the bottom of the second push rod 18, and the movable block 16 is slidably connected to the movable through hole 13.

[0029] In one embodiment, specifically, the operator drives the movable frame 4 to slide on the outside of the bracket 1, the first cylinder 14 can drive the movable block 16 to slide in the sliding through hole through the first push rod 15, and the second cylinder 17 can drive the pressure block 19 to move up and down through the second push rod 18, so that the pressure block 19 performs compression resistance test on the workpiece.

[0030] In one embodiment, specifically, the clamping assembly includes two groups of fixing frames 20 installed on the top of the bracket 1 and located on both sides for support, and an anti-slip strip 21 is laid on the top of the bracket 1 and below the fixing frame 20. The clamping assembly also includes a second screw 22 installed on the top of the fixing frame 20 for driving, a connecting block 23 is installed at the bottom of the second screw 22, a pressure plate 24 is installed at the bottom of the connecting block 23, and an anti-slip pad 25 is laid at the bottom of the pressure plate 24. The second screw 22 passes through the fixing frame 20 and is screwed thereto. The second screw 22 is rotatably connected to the connecting block 23 and does not detach. The fixing frame 20 is fixedly connected to the bracket 1, and the cross-section of the fixing frame 20 is L-shaped. Each group of fixing frames 20 includes three.

[0031] Among them, three fixing frames 20 support the second screw 22 at the top of the bracket 1, and use the second screw 22 to drive the pressure plate 24 at the bottom of the connecting block 23 to move up and down, so that the pressure plate 24 and the bracket 1 can clamp and fix the workpiece. The anti-slip pad 25 at the bottom of the pressure plate 24 and the anti-slip strip 21 at the top of the bracket 1 are respectively located on both sides of the workpiece to prevent the workpiece from sliding, thereby improving the stability of the equipment in clamping the workpiece.

[0032] In one embodiment, specifically, two first limit rods 26 are installed on the inner side of the bracket 1, and two second limit rods 27 are installed on the inner side of the movable groove 10. The first limit rod 26 passes through the driving block 7 and is slidably connected thereto, and the second limit rod 27 passes through the sliding block 9 and is slidably connected thereto. The first limit rod 26 can guide and limit the driving block 7, and the second limit rod 27 can guide and limit the sliding block 9, so that the two support plates 8 can drive the movable frame 2 to move up and down through the sliding block 9.

[0033] The working principle of this utility model:

[0034] First, start the motor 6 to drive the first screw 5 to rotate. At this time, the first screw 5 drives the two driving blocks 7 to approach each other, and at the same time, the driving block 7 slides on the outside of the first limit rod 26. Then, the driving block 7 drives the sliding block 9 to slide in the movable groove 10 through the support plate 8. At the same time, the sliding block 9 slides on the outside of the second limit rod 27, so that the two sliding blocks 9 drive the movable frame 2 to rise in the bracket 1, and then the conveyor belt 3 in the movable frame 2 supports and drives the workpiece for transportation, and then the first screw 5 is rotated in the opposite direction. At this time, the two support plates 8 drive the movable frame 2 to descend through the sliding block 9. At this time, the workpiece is placed on the bracket 1. It is arranged on the top of the bracket 1, and the anti-slip strip 21 on the top of the bracket 1 is in contact with the bottom of the workpiece, and then the second screw 22 is rotated to drive the pressure plate 24 at the bottom of the connecting block 23 to move downward, and then the anti-slip pad 25 at the bottom of the pressure plate 24 is in contact with the workpiece, and then the moving frame 4 slides on the outside of the bracket 1 according to the change of the detection position, and then the first cylinder 14 and the second cylinder 17 are started, and the first cylinder 14 drives the moving block 16 to slide in the sliding through hole through the first push rod 15, and then the second cylinder 17 drives the pressure block 19 to move downward through the second push rod 18, so that the pressure block 19 performs a compression test on the workpiece.

[0035] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A subway vehicle door testing device, comprising a bracket (1), characterized in that: An adjusting component for adjusting the lifting height is installed at the bottom of the inner side of the bracket (1), a movable frame (2) is installed at the inner side of the bracket (1), a conveyor belt (3) is installed at the inner side of the movable frame (2), and the top of the movable frame (2) is slidably connected to the bracket (1); Two groups of clamping components for fixing are installed on the top of the bracket (1), and a movable frame (4) for supporting is installed on the outside of the bracket (1), and the movable frame (4) is slidably connected to the bracket (1).

2. A subway vehicle door testing device according to claim 1, characterized in that: The adjustment component comprises a first screw rod (5) which runs through the bracket (1) and is used for driving. A motor (6) is installed on one side of the bracket (1) and at one end of the first screw rod (5). Two driving blocks (7) are mounted on the outer side of the first screw rod (5). A support plate (8) is installed on one side of the driving block (7). A sliding block (9) is installed on the other end of the support plate (8). A movable groove (10) is provided at the bottom of the movable frame (2). The driving block (7) is hinged to one end of the support plate (8), and the other end of the support plate (8) is hinged to the sliding block (9). The two support plates (8) are hinged. The first screw rod (5) is a bidirectional screw rod. The driving block (7) is slidably connected to the movable groove (10), and the sliding block (9) is slidably connected to the movable groove (10).

3. A subway vehicle door testing device according to claim 2, characterized in that: The adjustment assembly comprises fixed blocks (11) respectively mounted on both sides of the movable frame (4); fixed grooves (12) are respectively provided on both sides of the bracket (1); a movable through hole (13) is provided on the top of the movable frame (4); a first cylinder (14) is mounted on one side of the movable frame (4); a first push rod (15) is mounted on one end of the first cylinder (14); a movable block (16) is mounted inside the movable through hole (13) and at one end of the first push rod (15); and the movable block (16) is slidably connected to the movable through hole (13).

4. A subway vehicle door testing device according to claim 3, characterized in that: The adjustment assembly also includes a second cylinder (17) installed on the top of the moving block (16), a second push rod (18) is installed at one end of the second cylinder (17), and a pressing block (19) for pressing a workpiece is installed at the bottom of the second push rod (18).

5. The subway vehicle door testing device according to claim 1, characterized in that: The clamping assembly comprises two groups of fixing frames (20) mounted on the top of the bracket (1) and located on both sides for support, an anti-slip strip (21) is laid on the top of the bracket (1) and below the fixing frames (20), the fixing frames (20) are fixedly connected to the bracket (1), and the cross-section of the fixing frames (20) is L-shaped.

6. A subway vehicle door testing device according to claim 5, characterized in that: The clamping assembly further comprises a second screw rod (22) mounted on the top of the fixing frame (20) for driving, a connecting block (23) being mounted on the bottom of the second screw rod (22), a pressing plate (24) being mounted on the bottom of the connecting block (23), an anti-slip pad (25) being laid on the bottom of the pressing plate (24), the second screw rod (22) passing through the fixing frame (20) and being screwed thereto, and the second screw rod (22) being rotatably connected to the connecting block (23) and not being detached.

7. A subway vehicle door testing device according to claim 2, characterized in that: Two first limiting rods (26) are installed on the inner side of the bracket (1), and two second limiting rods (27) are installed on the inner side of the movable groove (10). The first limiting rod (26) passes through the driving block (7) and is slidably connected thereto, and the second limiting rod (27) passes through the sliding block (9) and is slidably connected thereto.

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