Railway vehicle door test tool

Abstract

The utility model provides a rail vehicle door test tool. The device comprises a main supporting mechanism, a to-be-tested door mounting mechanism, a telescoping mechanism and a door plate adsorption mechanism, the telescoping mechanism, the to-be-tested door mounting mechanism and the door plate adsorption mechanism are all arranged on the main supporting mechanism, the to-be-tested door mounting mechanism is used for bearing a tested vehicle door, the telescoping mechanism is connected with a back supporting plate, and the back supporting plate is connected with the door plate adsorption mechanism. The door plate adsorption mechanism is used for fixing a test vehicle door, the main supporting mechanism is provided with a test mechanism, and the telescoping mechanism is used for moving the vehicle door in the left-right direction so as to complete contact between the test vehicle door and the test mechanism. Through the arrangement of the fixing plate, the installation strength of the limiting sliding rod can be enhanced conveniently, the limiting sliding rod can limit the back supporting plate in the moving process, and position deviation of the back supporting plate in the displacement process is prevented. Suckers installed on the inner side of the back supporting plate are controlled by a vacuum pump to fix the automobile door, and an air cylinder telescopic rod can control the automobile door to move conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle door testing, in particular to a vehicle door testing tool for a rail vehicle. Background Art

[0002] Doors are important components on rail transit vehicles. The reliability of their strength and quality is related to the driving safety of the locomotive during operation. Rail vehicle door test fixtures refer to tools or equipment used to test and evaluate the functions and performance of rail vehicle doors. Their main purpose is to ensure that the doors can meet the expected safety, operation and performance standards during the design and manufacturing process.

[0003] Publication number CN214010764U discloses a rail vehicle door testing fixture, comprising a support portion and a door frame. The support portion comprises a base and a U-shaped frame, which is vertically fixed to the base. The outer side of the door frame is detachably connected to the frame, while the inner side of the door frame is connected to the vehicle door during testing. Due to the universality of the support portion, this utility model can be assembled with various door frame types. Furthermore, other types of products can be installed as a transitional device, reducing production costs for enterprises.

[0004] The above device lacks effective control capability over the vehicle door when conducting a vehicle door collision test, and is somewhat inconvenient to use, which affects the efficiency of the test to a certain extent. Utility Model Content

[0005] In response to the above technical problems, a rail vehicle door test fixture is provided. The technical means adopted by the utility model are as follows:

[0006] A rail vehicle door test fixture includes a main support mechanism, a door to be tested mounting mechanism, a telescopic mechanism and a door panel adsorption mechanism, wherein the telescopic mechanism, the door to be tested mounting mechanism and the door panel adsorption mechanism are all arranged on the main support mechanism, the door to be tested mounting mechanism is used to carry the test vehicle door, the telescopic mechanism is connected to a back support plate, and the back support plate is connected to the door panel adsorption mechanism, the door panel adsorption mechanism is used to fix the test vehicle door, a test mechanism is provided on the main support mechanism, and the telescopic mechanism is used to move the test vehicle door in the left and right directions to complete the contact between the test vehicle door and the test mechanism.

[0007] Furthermore, the main support mechanism includes a bottom plate, a top plate and side columns, and the bottom plate, top plate and side columns together constitute a frame structure.

[0008] Furthermore, a fixed plate is provided at a flush position on the back of each side column, a limiting slide bar is fixedly installed on the inner side of the fixed plate, the bottom end of the back support plate is installed on the limiting slide bar, and the door panel adsorption mechanism is installed on the front side of the back support plate.

[0009] Furthermore, the door panel adsorption mechanism includes a main fixing plate, several electric telescopic rods are installed at the corners of the main fixing plate, a pressure transmission plate is fixedly installed at the top of the electric telescopic rod, an inner fixing plate is fixedly installed at the middle part of the pressure transmission plate, a vacuum pump is fixedly installed on the surface of the inner fixing plate, and a suction cup is fixedly installed on the outer surface of the pressure transmission plate.

[0010] Furthermore, the telescopic mechanism includes cylinder telescopic rods arranged on both sides of the top plate surface, and the output ends of the cylinder telescopic rods are fixedly connected to the top of the back support plate.

[0011] Furthermore, a plurality of supporting pads are evenly distributed on the bottom surface of the bottom plate.

[0012] Furthermore, the door installation mechanism to be tested includes a track groove opened on the surface of the base plate, a track wheel movably installed on the inner side of the track groove, and a placement plate movably connected to the top of the track wheel. During the test, the test vehicle door can be placed above the placement plate.

[0013] Furthermore, limiting plates are fixedly installed on both sides of the placement plate surface, fixing nuts are installed on the surface of the limiting plates, and clamping plates are fixedly installed on the top of the fixing nuts. The test vehicle door is fixed after placement through the limiting plates and fixing nuts.

[0014] Furthermore, a partition connecting the bottom plate and the top plate is provided in the vertical direction in the middle part of the bottom plate and the top plate, and the testing mechanism is provided on the left and right sides of the partition. A fixing plate for installing a back support plate is also provided on the partition, and the limiting slide rod passes through the fixing plate. There are two sets of door installation mechanism, telescopic mechanism, door panel adsorption mechanism and back support plate to be tested, which are respectively used to perform synchronous tests on the oppositely arranged vehicle doors.

[0015] The utility model has the following advantages:

[0016] 1. The utility model provides a working space for the test equipment by setting the side column, and enhances the installation strength of the limit slide bar by setting the fixed plate. The limit slide bar can limit the back support plate during movement to prevent position deviation during displacement. The setting of the back support plate can facilitate the cylinder telescopic rod to drive the fixed door to move forward and backward so that it can contact the collision sensor on the surface of the partition. The collision sensor can test the collision acceptance threshold of the door according to the strength of multiple collisions and present the results on the display screen on the surface of the control panel. A suction cup is installed on the inner side of the back support plate, and the suction cup is controlled by the vacuum pump to fix the door, thereby facilitating the cylinder telescopic rod to move the door left and right.

[0017] 2. The setting of the top plate facilitates the enhancement of the installation strength of the cylinder telescopic rod. The setting of the bottom plate facilitates the provision of a space for the track groove. The setting of the support pad facilitates the enhancement of the stability of the overall installation. The setting of the track groove and the track wheel facilitates the limitation of the displacement of the door. The track wheel can also reduce the friction force on the movement of the door to a certain extent. The setting of the placement plate facilitates the provision of a space for the door to be placed. The setting of the limit plate and the fixing nut facilitates the fixation of the door after placement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, 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 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 labor.

[0019] Figure 1 It is a frontal perspective schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a bottom-up perspective diagram of the overall structure of the present invention;

[0021] Figure 3 This is a partially enlarged perspective diagram of the vacuum pump and suction cup structure of the present invention;

[0022] Figure 4 It is a partially enlarged three-dimensional schematic diagram of the back support plate structure of the present invention;

[0023] Figure 5 It is a partially enlarged three-dimensional schematic diagram of the placement plate structure of the present invention.

[0024] In the figure: 1. Side column; 2. Fixed plate; 3. Limiting slide bar; 4. Back support plate; 5. Main fixing plate; 6. Electric telescopic rod; 7. Pressure transmission plate; 8. Inner fixing plate; 9. Vacuum pump; 10. Suction cup; 11. Top plate; 12. Cylinder telescopic rod; 13. Bottom plate; 14. Support pad; 15. Track groove; 16. Track wheel; 17. Placement plate; 18. Limiting plate; 19. Fixing nut; 20. Clamping plate; 21. Control panel; 22. Operation button; 23. Partition; 24. Collision sensor. DETAILED DESCRIPTION

[0025] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are 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 making creative efforts are within the scope of protection of the present invention.

[0026] like Figures 1 to 5 As shown, an embodiment of the utility model discloses a rail vehicle door test fixture, including a main support mechanism, a door to be tested mounting mechanism, a telescopic mechanism and a door panel adsorption mechanism, the telescopic mechanism, the door to be tested mounting mechanism and the door panel adsorption mechanism are all arranged on the main support mechanism, the door to be tested mounting mechanism is used to carry the test vehicle door, the telescopic mechanism is connected to the back support plate 4, the back support plate 4 is connected to the door panel adsorption mechanism, the door panel adsorption mechanism is used to fix the test vehicle door, a test mechanism is provided on the main support mechanism, and the telescopic mechanism is used to move the test vehicle door in the left and right directions to complete the contact between the test vehicle door and the test mechanism.

[0027] The main support mechanism includes a bottom plate 13, a top plate 11 and side columns 1, and the bottom plate, top plate and side columns together form a frame structure.

[0028] A fixed plate 2 is provided flush with the back of each side column 1. The fixed plate is a plate of a certain length arranged perpendicular to the side column. A limit slide 3 is fixedly installed on the inner side of the fixed plate. The bottom end of the back support plate 4 is mounted on the limit slide 3. The door panel adsorption mechanism is installed on the front of the back support plate 4. The top of the back support plate is L-shaped, and an inclined plate is provided at the connection between the horizontal plate and the vertical plate as a reinforcement structure. The side columns 1 facilitate the provision of an operating space for the test equipment, and the fixed plate 2 facilitates the enhancement of the installation strength of the limit slide 3. The limit slide 3 can limit the back support plate 4 during movement to prevent positional displacement during displacement.

[0029] The door panel adsorption mechanism includes a main fixing plate 5, a plurality of electric telescopic rods 6 are installed at the corners of the main fixing plate, a pressure transmission plate 7 is fixedly installed on the top of the electric telescopic rod, an inner fixing plate 8 is fixedly installed on the middle part of the pressure transmission plate 7, a vacuum pump 9 is fixedly installed on the surface of the inner fixing plate 8, and a suction cup 10 is fixedly installed on the outer surface of the pressure transmission plate 7.

[0030] The telescopic mechanism includes cylinders arranged on both sides of the top plate surface, the output end of the cylinder is a cylinder telescopic rod 12, and the output end of the cylinder telescopic rod is fixedly connected to the top of the back support plate.

[0031] The bottom surface of the base plate is evenly distributed with a plurality of supporting pads 14. The base plate 13 is convenient for providing a site for the track groove 15 to be opened, and the supporting pads 14 are convenient for enhancing the stability of the overall device installation.

[0032] The door installation mechanism to be tested includes a track groove 15 opened on the surface of the base plate, a track wheel 16 movably installed on the inner side of the track groove 15, and a placement plate 17 movably connected to the top of the track wheel 16. During the test, the test vehicle door can be placed above the placement plate 17.

[0033] Limiting plates 18 are fixedly installed on both sides of the surface of the placement plate 17. Fixing nuts 19 are installed on the surface of the limiting plates 18. Clamping pieces 20 are fixedly installed on the top of the fixing nuts 19. The test vehicle door is fixed after placement through the limiting plates and fixing nuts.

[0034] A partition 23 connecting the bottom plate and the top plate is provided in the vertical direction in the middle part of the bottom plate and the top plate. The testing mechanism is provided on the left and right sides of the partition. A fixing plate for installing a back support plate is also provided on the partition. The limiting slide rod passes through the fixing plate. There are two sets of door installation mechanism, telescopic mechanism, door panel adsorption mechanism and back support plate to be tested, which are respectively used to perform synchronous tests on the opposite doors.

[0035] The specific usage method of the present utility model is as follows: place the test car door on the placement plate 17, adjust the position of the back support plate by adjusting the cylinder telescopic rod, and then move the back support plate to a position convenient for adsorbing the test car door. Based on different models of car doors, the suction cup is aimed at the car door by driving the electric telescopic rod, and adsorption is performed by turning on the vacuum pump. During this process, the limit slide bar 3 can limit the back support plate 4 during movement to prevent it from positional displacement during displacement. The back support plate 4 can facilitate the cylinder telescopic rod 12 to drive the fixed car door to move forward and backward so that it can contact the collision sensor 24 on the surface of the partition 23. The collision sensor 24 can test the collision acceptance threshold of the car door according to the force of multiple collisions, and present the results on the display screen on the surface of the control panel 21. A suction cup 10 is installed on the inner side of the back support plate 4, and the suction cup 10 is controlled by the vacuum pump 9 to fix the car door, thereby facilitating the cylinder telescopic rod 12 to move the car door in the left and right directions.

[0036] In this embodiment, a control panel 21 is fixedly mounted on one side of the jamb 1. Operation buttons 22 are provided on the surface of the control panel 21. The control panel 21 and operation buttons 22 facilitate user electrical control of the entire device. The testing mechanism is a collision sensor 24. Track grooves 15 and track wheels 16 limit the movement of the vehicle door. Track wheels 16 also reduce friction during door movement. The collision sensor 24 allows the user to determine the door's collision acceptance threshold. The collision sensor and corresponding monitoring device used in this embodiment of the utility model can be implemented using existing technology.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A rail vehicle door test fixture, characterized in that: It includes a main supporting mechanism, a door to be tested mounting mechanism, a telescopic mechanism and a door panel adsorption mechanism. The telescopic mechanism, the door to be tested mounting mechanism and the door panel adsorption mechanism are all arranged on the main supporting mechanism. The door to be tested mounting mechanism is used to carry the test vehicle door. The telescopic mechanism is connected to the back support plate, and the back support plate is connected to the door panel adsorption mechanism. The door panel adsorption mechanism is used to fix the test vehicle door. A test mechanism is provided on the main supporting mechanism. The telescopic mechanism is used to move the test vehicle door in the left and right directions to complete the contact between the test vehicle door and the test mechanism.

2. The rail vehicle door test fixture according to claim 1, characterized in that: The main support mechanism includes a bottom plate, a top plate and side columns, and the bottom plate, top plate and side columns together form a frame structure.

3. The rail vehicle door test fixture according to claim 2, characterized in that: A fixed plate is provided at a flush position on the back of each side column, a limiting slide bar is fixedly installed on the inner side of the fixed plate, the bottom end of the back support plate is installed on the limiting slide bar, and the door panel adsorption mechanism is installed on the front side of the back support plate.

4. The rail vehicle door test fixture according to claim 1, characterized in that: The door panel adsorption mechanism includes a main fixing plate, a plurality of electric telescopic rods are installed at the corners of the main fixing plate, a pressure transmission plate is fixedly installed at the top of the electric telescopic rod, an inner fixing plate is fixedly installed in the middle of the pressure transmission plate, a vacuum pump is fixedly installed on the surface of the inner fixing plate, and a suction cup is fixedly installed on the outer surface of the pressure transmission plate.

5. The rail vehicle door test fixture according to claim 1, characterized in that: The telescopic mechanism includes cylinder telescopic rods arranged on both sides of the top plate surface, and the output ends of the cylinder telescopic rods are fixedly connected to the top of the back support plate.

6. The rail vehicle door test fixture according to claim 1, characterized in that: A plurality of supporting pads are evenly distributed on the bottom surface of the bottom plate.

7. The rail vehicle door test fixture according to claim 1, characterized in that: The door installation mechanism to be tested includes a track groove opened on the surface of the base plate, a track wheel movably installed inside the track groove, and a placement plate movably connected to the top of the track wheel. During the test, the test vehicle door can be placed above the placement plate.

8. The rail vehicle door test fixture according to claim 7, characterized in that: Limiting plates are fixedly installed on both sides of the placement plate surface, fixing nuts are installed on the surface of the limiting plates, and clamping plates are fixedly installed on the top of the fixing nuts. The test vehicle door is fixed after placement through the limiting plates and fixing nuts.

9. The rail vehicle door test fixture according to claim 1, characterized in that: A partition connecting the bottom plate and the top plate is provided in the vertical direction in the middle part of the bottom plate and the top plate. The testing mechanism is provided on the left and right sides of the partition. A fixing plate for installing a back support plate is also provided on the partition. The limiting slide rod passes through the fixing plate. There are two sets of door installation mechanisms, telescopic mechanisms, door panel adsorption mechanisms and back support plates to be tested, which are respectively used to perform synchronous tests on the oppositely arranged vehicle doors.

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