Performance testing device for air spring shock absorber

Abstract

The invention relates to the technical field of spring performance testing, in particular to an air spring shock absorber performance testing device which comprises an L-shaped mounting base, a limiting mounting plate, a clamping mechanism and a compression assembly, the limiting mounting plate is arranged on the horizontal section of the L-shaped mounting base, and the clamping mechanism is mounted on the front end face of the limiting mounting plate; according to the air spring shock absorber compression device, multiple positions of an air spring shock absorber are limited, clamped and fixed from bottom to top through the clamping mechanism, and the upper portion of the air spring shock absorber can be clamped and limited in a sliding mode all the time in the compression process through cooperation of a limiting clamping piece and a limiting sliding piece; the stability of the air spring shock absorber is greatly improved, the rotating motor, the limiting mounting plate and the locking assembly are matched to drive the air spring shock absorber to adjust the placement angle and then stably lock the air spring shock absorber, so that compression tests can be performed on the air spring shock absorbers arranged at different angles, and the comprehensiveness of the compression tests is improved.

Description

Technical Field

[0001] The invention relates to the technical field of spring performance testing, in particular to a performance testing device for an air spring shock absorber. Background Art

[0002] Air spring shock absorber is a device that uses air as an elastic medium. It is usually used in vehicle suspension systems to provide better ride comfort and load balance. The working principle of air spring shock absorber is to support the weight of the vehicle through compressed air, and the air pressure can be adjusted as needed to change the hardness or height of the spring.

[0003] In order to ensure the basic functions of the product, and more importantly, to protect the safety of users and improve the performance of the overall system, it is necessary to perform performance testing on the manufactured air spring shock absorbers. During the compression performance test of the air spring shock absorber, due to the lack of sufficient limit fixation, it is easy to shake or deviate during the downward pressure, affecting the test results. Secondly, the air spring shock absorber will be installed at different angles according to different needs, and most of the existing air spring shock absorbers are tested in a vertical position, and the compression test of the air spring shock absorber at different inclination angles is not tested, so comprehensive test results cannot be obtained. Summary of the invention

[0004] Technical problem to be solved: The present invention provides an air spring shock absorber performance testing device, which can solve the problems pointed out in the above background technology.

[0005] Technical solution: In order to achieve the above objectives, the present invention adopts the following technical solution, an air spring shock absorber performance testing device, including an L-shaped mounting seat, a limit mounting plate, a clamping mechanism and a compression assembly, a limit mounting plate is arranged on the horizontal section of the L-shaped mounting seat, the front end surface of the limit mounting plate is installed with a clamping mechanism, and the rear end surface of the limit mounting plate is installed with a compression assembly.

[0006] A rotating motor is installed at the front end of the vertical section of the L-shaped mounting seat, and the output shaft of the rotating motor is connected to the center position of the rear end surface of the limit mounting plate. An installation cavity is opened at the upper end of the horizontal section of the L-shaped mounting seat, and a locking assembly is arranged in the installation cavity;

[0007] The clamping mechanism includes a base, which is an L-shaped structure. The vertical section of the base is installed on the front end surface of the limit mounting plate, and an adaptive clamping member is installed on the horizontal section of the base. The vertical section of the base is provided with a fixed clamping member, and a limit clamping member is provided above the fixed clamping member, and the limit clamping member is connected to the limit mounting plate.

[0008] The compression assembly includes a support plate, which is installed on the rear end surface of the limit mounting plate. An L-shaped hanging plate is installed on the upper end of the support plate. The horizontal section of the L-shaped hanging plate extends to the top of the clamping mechanism. A telescopic cylinder is fixedly installed on the horizontal section of the L-shaped hanging plate, and a compression plate is installed on the telescopic end of the telescopic cylinder.

[0009] Preferably, the adaptive clamping member includes an inverted L-shaped baffle, and the inverted L-shaped baffle is symmetrically installed on the upper end surface of the horizontal section of the base, and a clamping plate is arranged below the horizontal section of the inverted L-shaped baffle. The side of the clamping plate close to the vertical section of the inverted L-shaped baffle is connected to the inverted L-shaped baffle through multiple extrusion springs, the upper end surface of the clamping plate is slidably connected to the horizontal section of the inverted L-shaped baffle, and the lower end surface of the clamping plate is slidably connected to the base, and the front side of the clamping plate is an inclined surface shape for easy guiding.

[0010] Preferably, the fixed clamping member includes a penetration block, a long groove is opened on the front end surface of the vertical section of the base, a penetration block is installed in the middle of the long groove, a two-way telescopic rod is fixedly penetrated and installed in the middle of the penetration block, and both telescopic ends of the two-way telescopic rod are installed with a moving bar, a section of the moving bar located in the long groove is slidably connected to the inner wall of the long groove, and clamping blocks are installed on the opposite surfaces of the moving bars, and the clamping end surfaces of the clamping blocks are provided with multiple anti-slip rubber strips.

[0011] Preferably, the limit clamping member includes a connecting block, which is vertically installed in the middle of the upper end surface of the moving bar, and the opposite surfaces of the connecting block are provided with vertical grooves, and the lower end surfaces of the vertical grooves are installed with side springs, and extrusion strips are slidably installed in the vertical grooves. The upper ends of the side springs are connected to the extrusion strips, and clamping blocks are installed on the opposite surfaces of the extrusion strips, and the two extrusion strips are commonly connected to the limit sliding member.

[0012] Preferably, the abutting plate, the clamping block and the clamping end of the clamping block are all arc-shaped structures, and the sizes of the abutting plate, the clamping block and the clamping block arranged from bottom to top gradually decrease.

[0013] Preferably, the limit mounting plate is a disc structure, and a limit groove which runs through the front and rear is opened on the outer wall of the limit mounting plate, and a lifting block is slidably installed in the limit groove, and the lower end of the lifting block is connected to the bottom of the limit groove by a center spring, and the limit slide comprises a two-way telescopic slide rod, and the lifting block is connected to the rear end surface of the fixed section of the two-way telescopic slide rod, and the telescopic ends of the two-way telescopic slide rod are both installed with support rods, and the front end surfaces of the support rods are connected to the corresponding extrusion strips, and the front end surface of the fixed section of the two-way telescopic slide rod is installed with a support rod, and the front end surface of the support rod is installed with a positioning arc plate.

[0014] Preferably, an arc groove is provided on the upper end surface of the horizontal section of the L-shaped mounting seat at a position corresponding to the limit mounting plate, the lower part of the limit mounting plate is slidably arranged in the arc groove, an annular groove is provided on the outer wall of the limit mounting plate, and the upper end surface of the L-shaped mounting seat is located on both sides of the annular groove. Limiting columns are installed on both sides of the annular groove, and balls are rotated on the upper end surface of the limit column and the inner wall of the arc groove, and multiple balls are slidably matched with the annular groove.

[0015] Preferably, a positioning cylinder is installed on the lower end surface of the compression plate close to the front side, and the rear side of the compression plate is slidably arranged in the limiting groove.

[0016] Preferably, the locking assembly includes an electric telescopic rod, which is installed on the rear end surface of the installation cavity, and a connecting vertical plate is installed on the telescopic end of the electric telescopic rod. The front end surface of the limit mounting plate is close to the outer wall and has limit through holes evenly arranged along its outer wall. The front end surface of the installation cavity and the position corresponding to the limit through holes located in the circular arc groove are both provided with through holes, and the through holes are connected with the circular arc groove. An insertion rod is slidably arranged in the through holes, and the insertion rod is installed on the front end surface of the connecting vertical plate.

[0017] Beneficial effects:

[0018] 1. The clamping mechanism is used to limit and clamp the air spring shock absorber at multiple positions from bottom to top, and the limit clamp cooperates with the limit slide to always slide and clamp the upper part of the air spring shock absorber during the compression process, which greatly improves the stability of the air spring shock absorber. The air spring shock absorber can be driven to adjust the placement angle and then stably locked by cooperating with the rotating motor, the limit mounting plate and the locking assembly, so that compression testing can be performed on air spring shock absorbers set at different angles, thereby improving the comprehensiveness of the compression test.

[0019] 2. The lower part of the air spring shock absorber is elastically squeezed and limited by cooperating with the clamping plate and the extrusion spring. The position of the air spring shock absorber is positioned when it is placed by the provided support rod and the positioning arc plate. Then the two-way telescopic rod drives the two clamping blocks to approach each other to clamp and fix the outer wall with the larger diameter of the lower part of the air spring shock absorber. At the same time, it also drives the extrusion strip and the clamping block on the connecting block to move toward each other to clamp and limit the upper part of the air spring shock absorber. Due to the provision of side springs, limit grooves, lifting blocks and center springs, when the air spring shock absorber is compressed downward, the clamping block always limits the upper part of the air spring shock absorber, and the positioning arc plate always supports and limits the air spring shock absorber, thereby realizing the limited sliding of the air spring shock absorber during compression and improving stability.

[0020] 3. After a compression test, the motor is rotated intermittently at a specified angle, driving the limit mounting plate to rotate in a circle at a specified angle, so that the air spring shock absorber is tilted at a certain angle and the compression assembly also rotates at the same angle. The compression group then tests the air spring shock absorber again, realizing compression tests of the air spring shock absorber at different angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The structure of the present invention is schematically shown Figure 1 .

[0022] Figure 2 The structure of the present invention is schematically shown Figure 2 .

[0023] Figure 3 It is a schematic structural diagram of the base and the adaptable clamping member of the present invention.

[0024] Figure 4 The structure of the present invention is schematically shown Figure 3 .

[0025] Figure 5 It is a front cross-sectional view of the present invention.

[0026] In the figure: 1. L-shaped mounting seat; 11. rotating motor; 12. mounting cavity; 13. locking assembly; 131. electric telescopic rod; 132. connecting vertical plate; 133. plug rod; 14. arc groove; 15. limit column; 16. ball; 2. limit mounting plate; 21. limit groove; 22. lifting block; 23. center spring; 24. annular groove; 25. limit through hole; 3. clamping mechanism; 31. base; 32. adapting clamping member; 321. inverted L-shaped baffle; 322. pressing plate; 323. extrusion spring; 33 , fixed clamp; 331, penetration block; 332, long groove; 333, two-way telescopic rod; 334, moving strip; 335, clamping block; 34, limiting clamp; 341, connecting block; 342, side spring; 343, extrusion strip; 344, clamping block; 35, limiting slide; 351, two-way telescopic slide; 352, support rod; 353, support rod; 354, positioning arc plate; 4, compression assembly; 41, support plate; 42, L-shaped hanging plate; 43, telescopic cylinder; 44, compression plate; 441, positioning tube. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1 The present invention provides a technical solution: an air spring shock absorber performance testing device, comprising an L-shaped mounting seat 1, a limit mounting plate 2, a clamping mechanism 3 and a compression assembly 4, wherein the limit mounting plate 2 is arranged on the horizontal section of the L-shaped mounting seat 1, the clamping mechanism 3 is arranged on the front end surface of the limit mounting plate 2, and the compression assembly 4 is arranged on the rear end surface of the limit mounting plate 2; the clamping mechanism 3 comprises a base 31, the base 31 is an L-shaped structure, the vertical section of the base 31 is arranged on the front end surface of the limit mounting plate 2, an adaptable clamping member 32 is arranged on the horizontal section of the base 31, a fixed clamping member 33 is arranged on the vertical section of the base 31, a limit clamping member 34 is arranged above the fixed clamping member 33, and the limit clamping member 34 is connected to the limit mounting plate 2.

[0029] See also Figure 3 The cam 322 is pressed against the top of the support member 321 to push the top of the support member 322, and the cam 322 is pressed against the support member 321 to push the top of the support member 322.

[0030] See also Figure 2 , Figure 3 In this embodiment, the fixed clamping member 33 includes a penetration block 331, a long groove 332 is provided on the front end surface of the vertical section of the base 31, a penetration block 331 is installed in the middle of the long groove 332, a bidirectional telescopic rod 333 is fixedly penetrated and installed in the middle of the penetration block 331, and a moving bar 334 is installed at both telescopic ends of the bidirectional telescopic rod 333, a section of the moving bar 334 located in the long groove 332 is slidably connected to the inner wall of the long groove 332, and a clamping block 335 is installed on the opposite surface of the moving bar 334, and a plurality of anti-skid rubber strips are provided on the clamping end surfaces of the clamping blocks 335. When working, the moving bars 334 on both sides are driven to move toward each other in the long groove 332 by starting the bidirectional telescopic rod 333, so that the two clamping blocks 335 are close to each other to clamp and fix the outer wall with a larger diameter at the lower part of the air spring shock absorber, and the clamping effect is improved by the anti-skid rubber strips.

[0031] See also Figure 1 , Figure 2 In this embodiment, the limit clamping member 34 includes a connecting block 341, which is vertically installed in the middle of the upper end surface of the moving bar 334. The opposite surfaces of the connecting block 341 are provided with vertical grooves, and the lower end surfaces of the vertical grooves are provided with side springs 342. Extrusion bars 343 are slidably installed in the vertical grooves. The upper ends of the side springs 342 are connected to the extrusion bars 343, and the opposite surfaces of the extrusion bars 343 are provided with clamping blocks 344. The two extrusion bars 343 are connected to the limit sliding member 35 together; the limit mounting plate 2 is a disc structure, and the outer wall of the limit mounting plate 2 is provided with a limit groove 21 that passes through the front and back. A lifting block 22 is slidably installed in the limit groove 21, and the lower end of the lifting block 22 is connected to the bottom of the limit groove 21 through a center spring 23.

[0032] See also Figure 2 The limiting slide 35 includes a two-way telescopic slide bar 351, and the lifting block 22 is connected to the rear end face of the fixed section of the two-way telescopic slide bar 351. The telescopic ends of the two-way telescopic slide bar 351 are installed with support rods 352, and the front end faces of the support rods 352 are connected to the corresponding extrusion strips 343. The front end face of the fixed section of the two-way telescopic slide bar 351 is installed with a support rod 353, and the front end face of the support rod 353 is installed with a positioning arc plate 354. The support rod 353 and the positioning arc plate 354 can be used to locate the position of the air spring shock absorber when it is placed; when working, the moving strip 334 is moved to drive the connecting block 341 to move synchronously, so that the connecting block 341 The extrusion strip 343 and the clamping block 344 on the upper side also move toward each other to clamp and limit the upper part of the air spring shock absorber. The extrusion strip 343 moves toward each other to cause the telescopic axis of the bidirectional telescopic slide rod 351 to contract. During the compression test, the compression assembly 4 presses down on the upper end of the air spring shock absorber. Due to the provision of side springs 342, limiting grooves 21, lifting blocks 22 and center springs 23, when the air spring shock absorber is compressed downward, the clamping block 344 always clamps the upper part of the air spring shock absorber, and the positioning arc plate 354 always supports and limits the air spring shock absorber, thereby improving stability and realizing limited sliding of the air spring shock absorber while being compressed.

[0033] The clamping ends of the clamping plate 322, clamping block 335 and clamping block 344 are all arc-shaped structures, and the sizes of the clamping plate 322, clamping block 335 and clamping block 344 arranged from bottom to top gradually decrease. Since the size of the air spring shock absorber is a stepped shaft shape with a diameter gradually decreasing from bottom to top, the air spring shock absorber can be limited and fixed at multiple positions through the clamping plates 322, clamping blocks 335 and clamping blocks 344 of different sizes, thereby ensuring stability during testing.

[0034] See also Figure 1 , Figure 5In this embodiment, an arc groove 14 is provided at a position corresponding to the position of the upper end surface of the horizontal section of the L-shaped mounting seat 1 and the position of the limit mounting plate 2. The lower part of the limit mounting plate 2 is slidably arranged in the arc groove 14. An annular groove 24 is provided on the outer wall of the limit mounting plate 2. The upper end surface of the L-shaped mounting seat 1 is located on both sides of the annular groove 24 and a limit column 15 is installed. The upper end surface of the limit column 15 and the inner wall of the arc groove 14 are both rotatable with balls 16, and a plurality of balls 16 are slidably matched with the annular groove 24; a rotating motor 11 is installed at the front end of the vertical section of the L-shaped mounting seat 1, and the output shaft of the rotating motor 11 is aligned with the limit The L-shaped mounting seat 1 is connected to the rear end surface center position of the L-shaped mounting plate 2, and the upper end of the horizontal section of the L-shaped mounting seat 1 is provided with a mounting cavity 12, and a locking assembly 13 is arranged in the mounting cavity 12; by rotating the motor 11 intermittently to a specified angle, the limit mounting plate 2 is driven to rotate in a circle at a specified angle, so that the air spring shock absorber is inclined at a certain angle and the compression assembly 4 also rotates at the same angle. Since the annular groove 24 cooperates with the ball 16 in the arc groove 14 and the ball 16 on the limit column 15, it can not only ensure the stability of the limit mounting plate 2 during rotation, but also reduce the rotational friction.

[0035] See also Figure 1 , Figure 4 In this embodiment, the compression assembly 4 includes a support plate 41, which is mounted on the rear end surface of the limit mounting plate 2, and an L-shaped hanging plate 42 is mounted on the upper end of the support plate 41. The horizontal section of the L-shaped hanging plate 42 extends to the top of the clamping mechanism 3, and a telescopic cylinder 43 is fixedly installed on the horizontal section of the L-shaped hanging plate 42, and a compression plate 44 is mounted on the telescopic end of the telescopic cylinder 43; a positioning cylinder 441 is mounted on the lower end surface of the compression plate 44 near the front side, and the rear side of the compression plate 44 is slidably arranged in the limit groove 21; during operation, after the air spring shock absorber is fixed, the telescopic cylinder 43 drives the compression plate 44 to move downward, so that the positioning cylinder 441 is sleeved on the upper end of the air spring shock absorber and pressed downward, and at the same time, the compression plate 44 compresses the lifting block 22, so that the clamping block 344 and the positioning arc plate 354 move downward synchronously with the air spring shock absorber, thereby ensuring the stability of compression and improving the accuracy of the test.

[0036] The locking assembly 13 includes an electric telescopic rod 131, which is installed on the rear end face of the installation cavity 12. A connecting vertical plate 132 is installed on the telescopic end of the electric telescopic rod 131. A limiting through hole 25 is evenly provided along the outer wall of the front end face of the limiting installation plate 2 near the outer wall. A through hole is provided at a position corresponding to the limiting through hole 25 located in the arc groove 14 on the front end face of the installation cavity 12. The through hole is connected to the arc groove 14. A plug rod 133 is slidably provided in the through hole. The plug rod 133 is installed on the front end face of the connecting vertical plate 132. When working, the plug rod 133 on the connecting vertical plate 132 is driven by the electric telescopic rod 131 to slide into the corresponding limiting through hole 25 in the through hole to lock and fix the position of the limiting installation plate 2.

[0037] During specific operation, the lower part of the air spring shock absorber is pressed against the front side of the clamping plate 322, and its position is positioned when the air spring shock absorber is placed by means of the provided support rod 353 and the positioning arc plate 354; the extrusion spring 323 is compressed so that the lower part of the air spring shock absorber enters between the two clamping plates 322, and the elasticity of the extrusion spring 323 drives the clamping plates 322 on the left and right sides to squeeze and limit the lower outer wall of the air spring shock absorber, and the moving bars 334 on both sides are driven to move in the long grooves by starting the bidirectional telescopic rod 333. The two clamping blocks 335 are moved toward each other in the inner part 332, so that the two clamping blocks 335 are close to each other to clamp and fix the outer wall with a larger diameter at the lower part of the air spring shock absorber. The movement of the moving bar 334 drives the connecting block 341 to move synchronously, so that the extrusion bar 343 and the clamping block 344 on the connecting block 341 also move toward each other to clamp and limit the upper part of the air spring shock absorber. The extrusion bar 343 moves toward each other to shrink the telescopic axis of the two-way telescopic slide bar 351. During the compression test, the compression assembly 4 presses down on the upper end of the air spring shock absorber. A side spring 342, a limiting groove 21, a lifting block 22 and a center spring 23 are arranged. When the air spring shock absorber is compressed downward, the clamping block 344 always clamps the upper part of the air spring shock absorber, and the positioning arc plate 354 always supports and limits the air spring shock absorber, thereby improving stability and realizing limited sliding during compression. After the air spring shock absorber is fixed, the electric telescopic rod 131 drives the plug rod 133 on the connecting vertical plate 132 to slide into the corresponding limiting through hole 25 in the penetration hole, thereby ensuring the limit installation. The position of the mounting plate 2 is locked and fixed to ensure the stability of compression and improve the accuracy of the test. Then the telescopic cylinder 43 drives the compression plate 44 to move downward, so that the positioning cylinder 441 is sleeved on the upper end of the air spring shock absorber and pressed downward. At the same time, the compression plate 44 compresses the lifting block 22, so that the clamping block 344 and the positioning arc plate 354 move downward synchronously with the air spring shock absorber. The air spring shock absorber can be subjected to static compression and dynamic compression tests through the different telescopic speeds of the telescopic cylinder 43, so as to observe whether the air spring shock absorber meets the use requirements.

[0038] Then the compression assembly 4 returns to its original position, and then the motor 11 is rotated intermittently at a specified angle, driving the limit mounting plate 2 to rotate in a circle at a specified angle, so that the air spring shock absorber is tilted at a certain angle and the compression assembly 4 is also rotated at the same angle. The air spring shock absorber is tested again through the compression assembly 4, thereby realizing compression tests of the air spring shock absorber at different angles.

[0039] 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. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air spring damper performance testing device, comprising an L-shaped mounting seat (1), a limit mounting plate (2), a clamping mechanism (3) and a compression assembly (4), characterized in that: A limit mounting plate (2) is arranged on the horizontal section of the L-shaped mounting seat (1), a clamping mechanism (3) is installed on the front end surface of the limit mounting plate (2), and a compression assembly (4) is installed on the rear end surface of the limit mounting plate (2); A rotating motor (11) is installed at the front end of the vertical section of the L-shaped mounting seat (1), and the output shaft of the rotating motor (11) is connected to the center position of the rear end surface of the limit mounting plate (2). A mounting cavity (12) is provided at the upper end of the horizontal section of the L-shaped mounting seat (1), and a locking assembly (13) is arranged in the mounting cavity (12); The clamping mechanism (3) comprises a base (31), the base (31) is an L-shaped structure, the vertical section of the base (31) is mounted on the front end surface of the limit mounting plate (2), an adaptable clamping member (32) is mounted on the horizontal section of the base (31), a fixed clamping member (33) is arranged on the vertical section of the base (31), a limit clamping member (34) is arranged above the fixed clamping member (33), and the limit clamping member (34) is connected to the limit mounting plate (2); The compression assembly (4) comprises a support plate (41), the support plate (41) being mounted on the rear end surface of the position limiting mounting plate (2), an L-shaped hanging plate (42) being mounted on the upper end of the support plate (41), the horizontal section of the L-shaped hanging plate (42) extending above the clamping mechanism (3), a telescopic cylinder (43) being fixedly installed through the horizontal section of the L-shaped hanging plate (42), and a compression plate (44) being mounted on the telescopic end of the telescopic cylinder (43).

2. The air spring damper performance testing device according to claim 1, characterized in that: The adaptable clamping member (32) comprises an inverted L-shaped baffle (321), the inverted L-shaped baffle (321) being symmetrically mounted on the upper end surface of the horizontal section of the base (31), a clamping plate (322) being arranged below the horizontal section of the inverted L-shaped baffle (321), the side of the clamping plate (322) close to the vertical section of the inverted L-shaped baffle (321) being connected to the inverted L-shaped baffle (321) via a plurality of extrusion springs (323), the upper end surface of the clamping plate (322) being slidably connected to the horizontal section of the inverted L-shaped baffle (321), the lower end surface of the clamping plate (322) being slidably connected to the base (31), and the front side of the clamping plate (322) being in the shape of an inclined surface for easy guidance.

3. The air spring damper performance testing device according to claim 2, characterized in that: The fixed clamping member (33) comprises a penetration block (331), a front end surface of a vertical section of the base (31) is provided with a long groove (332), a penetration block (331) is installed in the middle of the long groove (332), a bidirectional telescopic rod (333) is fixedly penetrated and installed in the middle of the penetration block (331), both telescopic ends of the bidirectional telescopic rod (333) are installed with a moving bar (334), a section of the moving bar (334) located in the long groove (332) is slidably connected to the inner wall of the long groove (332), a clamping block (335) is installed on the opposite surface of the moving bar (334), and a plurality of anti-slip rubber strips are arranged on the clamping end surface of the clamping block (335).

4. The air spring damper performance testing device according to claim 3, characterized in that: The limit clamp (34) comprises a connecting block (341), the connecting block (341) is vertically mounted on the middle part of the upper end surface of the moving bar (334), the opposite surfaces of the connecting block (341) are provided with vertical grooves, the lower end surfaces of the vertical grooves are provided with side springs (342), the vertical grooves are slidably provided with extrusion bars (343), the upper ends of the side springs (342) are connected to the extrusion bars (343), the opposite surfaces of the extrusion bars (343) are provided with clamping blocks (344), and the two extrusion bars (343) are connected to the limit slide (35) together.

5. The air spring damper performance testing device according to claim 4, characterized in that: The clamping ends of the abutting plate (322), the clamping block (335) and the clamping block (344) are all arc-shaped structures, and the sizes of the abutting plate (322), the clamping block (335) and the clamping block (344) arranged from bottom to top gradually decrease.

6. The air spring damper performance testing device according to claim 4, characterized in that: The limit mounting plate (2) is a disc structure, and the outer wall of the limit mounting plate (2) is provided with a limit groove (21) which passes through from front to back. A lifting block (22) is slidably installed in the limit groove (21), and the lower end of the lifting block (22) is connected to the bottom of the limit groove (21) through a center spring (23). The limit sliding member (35) comprises a bidirectional telescopic slide rod (351), and the lifting block (22) is connected to the rear end surface of the fixed section of the bidirectional telescopic slide rod (351). The telescopic ends of the bidirectional telescopic slide rod (351) are both provided with support rods (352), and the front end surfaces of the support rods (352) are connected to the corresponding extrusion strips (343). The front end surface of the fixed section of the bidirectional telescopic slide rod (351) is provided with a support rod (353), and the front end surface of the support rod (353) is provided with a positioning arc plate (354).

7. The air spring damper performance testing device according to claim 1, characterized in that: An arc groove (14) is provided on the upper end surface of the horizontal section of the L-shaped mounting seat (1) at a position corresponding to the position limiting mounting plate (2); the lower part of the position limiting mounting plate (2) is slidably arranged in the arc groove (14); an annular groove (24) is provided on the outer wall of the position limiting mounting plate (2); and the upper end surface of the L-shaped mounting seat (1) is provided with a position limiting column (15) on both the left and right sides of the annular groove (24); balls (16) are rotatably arranged on the upper end surface of the position limiting column (15) and the inner wall of the arc groove (14); and a plurality of balls (16) are slidably matched with the annular groove (24).

8. The air spring damper performance testing device according to claim 6, characterized in that: A positioning cylinder (441) is installed on the lower end surface of the compression plate (44) close to the front side, and the rear side of the compression plate (44) is slidably arranged in the limiting groove (21).

9. The air spring damper performance testing device according to claim 7, characterized in that: The locking assembly (13) comprises an electric telescopic rod (131), which is mounted on the rear end face of the mounting cavity (12); a connecting vertical plate (132) is mounted on the telescopic end of the electric telescopic rod (131); a limiting through hole (25) is evenly arranged along the outer wall of the limiting mounting plate (2) at the front end face close to the outer wall; a through hole is arranged at the front end face of the mounting cavity (12) and at a position corresponding to the limiting through hole (25) located in the arc groove (14); the through hole is connected to the arc groove (14); an insertion rod (133) is slidably arranged in the through hole; the insertion rod (133) is mounted on the front end face of the connecting vertical plate (132).

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