Damper test tool

Abstract

The utility model discloses a damper testing tool, which relates to the technical field of damper testing and comprises a testing table, a movable seat is arranged on the top surface of the testing table, a plurality of detection assemblies used for detecting dampers are arranged on the inner side of the movable seat, and a movable assembly is connected to the bottom surface of the movable seat. A fixing plate is fixedly connected to one side of the testing table, a plurality of fixing grooves are formed in one side of the fixing plate, fixing assemblies are arranged in the fixing grooves, and a plurality of positioning assemblies are fixedly connected to the top face of the testing table. The fixing space is adjusted, different types of dampers can be conveniently fixed, the practicability is improved, a plurality of positioning assemblies are arranged on the top surface of the detection table, so that the shell part of the damper can be positioned, the two ends of the damper can be fully fixed, and the stability of the damper in the subsequent detection process is greatly improved.

Description

Technical Field

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

[0002] After the damper is produced, a damper test stand is needed in the quality inspection process. The electric cylinder drives the detection head to perform displacement detection, and the force sensor and displacement sensor feedback parameters to complete the test.

[0003] For example, a damper testing tool disclosed in the utility model with authorization announcement number CN219244970U detects the performance of the damper by detecting the size of the displacement and the size of the force when the damper is active; the top end of the damping rod of the damper positioned on the positioning tool is extended between the left clamp and the right clamp, and the operating handle is rotated to rotate the outer screw to make the right clamp approach the left clamp, so that the left clamp and the right clamp cooperate to clamp and position the damping rod of the damper, and during the downward and upward movement of the electric cylinder piston rod, the left clamp and the right clamp cooperate to firmly clamp and fix the damping rod of the damper, and the downward pressure is stable, which is convenient for the force sensor and the displacement sensor to detect stably, the test is accurate, and the detection effect of the damper performance is good.

[0004] This prior art also has the following problems when used:

[0005] Since the size of the guide groove of the device cannot be adjusted, and the dampers are of various types, and the bases of different types of dampers have different specifications and sizes, the device is limited in fixing the damper base. Utility Model Content

[0006] In order to overcome the shortcomings of the prior art, the utility model provides a damper testing tool, by arranging a positioning component inside the fixing groove, so that the fixing space can be adjusted according to the size and specifications of the damper base, so as to facilitate the fixation of different types of dampers and increase practicality, and a plurality of positioning components are arranged on the top surface of the test bench, so that the outer shell part of the damper can be positioned, so that the two end parts of the damper can be fully fixed, which greatly increases the stability of the damper in the subsequent detection process.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a damper testing tool, including a test bench, a moving seat is provided on the top surface of the test bench, a plurality of detection components for detecting the damper are provided on the inner side of the moving seat, and a lifting component is connected to one side of the detection component, a moving component is connected to the bottom surface of the moving seat, a fixing plate is fixedly connected to one side of the test bench, a plurality of fixing grooves are opened on one side of the fixing plate, a fixing component is provided inside the fixing groove, and a plurality of positioning components are fixedly connected to the top surface of the test bench.

[0008] Preferably, the detection assembly is composed of a detection rod, a pressure sensor, an extrusion rod, an extrusion spring, a mounting sleeve and a displacement sensor, the displacement sensor is installed on the inner side of the moving seat, a mounting sleeve is provided below the displacement sensor, an extrusion spring is provided inside the mounting sleeve, one end of the extrusion spring is fixedly connected to the extrusion rod, and one end of the extrusion rod extends out of the outside of the mounting sleeve, and the extended end is fixedly connected to the pressure sensor, and one side of the pressure sensor is fixedly connected to the detection rod.

[0009] Preferably, the lifting assembly is composed of a second screw, a mounting block, a turbine and a three-section worm, the second screw is passed through the mounting block, and one side of the mounting block is fixedly connected to the mounting sleeve, the top end of the second screw is fixedly connected to the turbine, and one side of the turbine is meshingly connected to the three-section worm.

[0010] Preferably, a plurality of lifting slots are opened on one side of the movable seat, and the mounting block is arranged inside the lifting slot, a driving shell is provided on the top surface of the movable seat, a lifting motor is fixedly installed on the outer surface of the driving shell through a fixing frame, and the output end of the lifting motor is connected to the three-section worm gear.

[0011] Preferably, the moving assembly is composed of a first screw, a moving block, a guide rod and a guide block, the top surfaces of the moving block and the guide block are fixedly connected to the moving seat, the first screw is passed through the interior of the moving block, the guide rod is passed through the interior of the guide block, and the guide rod is slidably connected to the guide block.

[0012] Preferably, a movable groove is opened on the top surface of the test bench, and the first screw and the guide rod are respectively arranged inside the two movable grooves, and a movable motor is fixedly installed on one side of the test bench through a fixing frame, and the output end of the movable motor is connected to the first screw.

[0013] Preferably, the fixing assembly is composed of a first bolt, a lower pressure plate, an electric push rod and a side pressure plate, the first bolt is passed through the fixing plate, and the bottom end of the first bolt extends into the interior of the fixing groove, and the extended end is movably connected to the lower pressure plate, the two electric push rods are symmetrically arranged inside the fixing plate, and one end of the electric push rod extends into the interior of the fixing groove, and the extended end is fixedly connected to the side pressure plate.

[0014] Preferably, a first twisting block is fixedly connected to the top end of the first bolt.

[0015] Preferably, the positioning assembly is composed of an electric telescopic rod, a positioning ring, a second bolt and an arc plate. The electric telescopic rod is fixedly arranged on the top surface of the test bench, the top end of the electric telescopic rod is fixedly connected to the positioning ring, the surface of the positioning ring is penetrated by the second bolt, the bottom end of the second bolt extends into the inner side of the positioning ring, and the extended end is movably connected to the arc plate.

[0016] Preferably, a second twisting block is fixedly connected to the top end of the second bolt.

[0017] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0018] 1. The utility model arranges a positioning component inside the fixing groove, so that the fixing space can be adjusted according to the size and specification of the damper base, so as to facilitate the fixing of different types of dampers and increase practicality. In addition, a plurality of positioning components are arranged on the top surface of the test bench, so that the outer shell part of the damper can be positioned, so that the two end parts of the damper can be fully fixed, which greatly increases the stability of the damper in the subsequent detection process.

[0019] 2. The utility model is provided with multiple groups of detection components, and multiple dampers can be detected simultaneously when in use, which greatly improves the detection efficiency. Moreover, the device only needs one person to complete the entire detection operation, saving human resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 This is a side view of the structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the positioning component of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the fixed component of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the mobile component of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the lifting assembly of the utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the detection component of the utility model;

[0027] Among them: 1. test bench; 2. fixed plate; 3. moving groove; 4. electric telescopic rod; 5. positioning ring; 6. moving seat; 7. drive shell; 8. lifting motor; 9. mounting sleeve; 10. fixed groove; 11. moving motor; 12. first bolt; 13. first twisting block; 14. lower pressure plate; 15. electric push rod; 16. side pressure plate; 17. second bolt; 18. arc plate; 19. second twisting block; 20. first screw; 21. guide rod; 22. moving block; 23. guide block; 24. displacement sensor; 25. lifting groove; 26. second screw; 27. mounting block; 28. turbine; 29. ​​three-section worm; 30. pressure sensor; 31. detection rod; 32. extrusion spring; 33. extrusion rod. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0029] Example

[0030] Please refer to Figure 1-4As shown, the utility model provides a damper test fixture, including a test bench 1, the bottom surface of the test bench 1 is fixedly connected with support legs for supporting the test bench 1 at the four corners, a fixed plate 2 is fixedly connected to one side of the test bench 1, a plurality of fixed grooves 10 are opened on one side of the fixed plate 2, a fixed assembly is arranged inside the fixed groove 10, and the fixed assembly is composed of a first bolt 12, a lower pressure plate 14, an electric push rod 15 and a side pressure plate 16, wherein the first bolt 12 is penetrated through the fixed plate 2, and the bottom end of the first bolt 12 extends into the inside of the fixed groove 10, and the connection between the first bolt 12 and the fixed plate 2 is bolted, so that the first bolt 12 can be rotated by 2, to extend and shorten the protruding length of the first bolt 12 inside the fixing groove 10, the bottom end of the first bolt 12 is movably connected with a lower pressing plate 14, so when the first bolt 12 moves inside the fixing groove 10, the lower pressing plate 14 can be driven to move, and the two electric push rods 15 are symmetrically arranged inside the fixing plate 2, and the telescopic ends of the electric push rods 15 extend into the inside of the fixing groove 10, and the telescopic ends of the electric push rods 15 are fixedly connected with side pressing plates 16, so that by driving the electric push rods 15, the two side pressing plates 16 can be driven to move relative to or away from each other, and the top end of the first bolt 12 is fixedly connected with a first twisting block 13 for twisting the first bolt 12, and when in use, Actively adjust the space between the side pressure plate 16 and the lower pressure plate 14, so that the fixed space inside the fixing groove 10 can be adjusted, and the damper bases of different sizes and specifications can be fixed, which increases the practicality of the device. The top surface of the test bench 1 is fixedly connected with multiple positioning components, and the positioning components are composed of an electric telescopic rod 4, a positioning ring 5, a second bolt 17 and an arc plate 18, wherein multiple electric telescopic rods 4 are fixedly arranged on the top surface of the test bench 1, and the telescopic end of the electric telescopic rod 4 is fixedly connected with a positioning ring 5, so that the electric telescopic rod 4 can be driven to adjust the height of the positioning ring 5, which is convenient for adjusting the damping in different types of dampers. The rod is positioned, a second bolt 17 is penetrated on the surface of the positioning ring 5, and the bottom end of the second bolt 17 extends into the inner side of the positioning ring 5, and the connection between the second bolt 17 and the positioning ring 5 is threaded, so the length of the second bolt 17 inside the positioning ring 5 can be extended by rotating the second bolt 17, and the bottom end of the second bolt 17 is movably connected with an arc plate 18. When the second bolt 17 extends to the length inside the positioning ring 5, the position of the arc plate 18 inside the positioning ring 5 can be changed, which is convenient for positioning and fixing the damper housing part, and the top end of the second bolt 17 is fixedly connected with a second twisting block 19 for rotating the second bolt 17;

[0031] It is worth noting that a plurality of slide grooves are provided on the top surface of the test bench 1, and a slide seat is provided inside the slide groove, and the slide seat is movably connected to the slide groove, and the top surface of the slide seat is fixedly connected to the electric telescopic rod 4, so that the electric telescopic rod 4 can be moved to both sides to make the slide slide inside the slide groove, so that the dampers of different lengths can be positioned;

[0032] When using the device, place the device at a designated position, put the damper base into the inner side of the fixing groove 10, and pass the damper rod of the damper through the inner side of the positioning ring 5, so that the outer shell of the damper contacts the inner side of the positioning ring 5, and rotate the first bolt 12 through the first twisting block 13, so that the first bolt 12 drives the lower pressure plate 14 to press down, so that the lower pressure plate 14 contacts the surface of the damper base fully, so that the top surface of the damper base can be limited and fixed, and the two electric push rods 15 are started, and the two electric push rods 15 drive the side pressure plates 16 to move relative to each other, so that the two side pressure plates 16 contact the damper base fully, so that the damper can be fixed. The two sides of the base are fixed in a limited position, so as to ensure the stability of the damper base during detection and prevent the damper from being offset during detection. The fixing space can be adjusted at will, which is convenient for fixing different types of bases. When the damper rod in the damper passes through the positioning ring 5, the second bolt 17 is rotated by the second twisting block 19, and the second bolt 17 drives the arc plate 18 to press down, so that the arc plate 18 is fully in contact with the surface of the damper housing part, so that the damper can be positioned to prevent the damper rod from moving to other positions during the subsequent detection process, affecting the detection process. After the positioning is completed, it can wait for subsequent detection;

[0033] As a further implementation of this embodiment, Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 7As shown, a moving seat 6 is provided on the top surface of the test bench 1, and a plurality of detection components are provided on the inner side of the moving seat 6, and the detection components are composed of a detection rod 31, a pressure sensor 30, an extrusion rod 33, an extrusion spring 32, a mounting sleeve 9 and a displacement sensor 24, wherein the mounting sleeve 9 is arranged on one side of the moving seat 6, and an extrusion spring 32 is provided inside the mounting sleeve 9, one end of the extrusion spring 32 is fixedly connected to the extrusion rod 33, one end of the extrusion rod 33 extends out of the outside of the mounting sleeve 9, and the extended end is fixedly connected to the pressure sensor 30, and the sensing end of the pressure sensor 30 is connected to the detection rod 31, and a plurality of displacement sensors 24 are provided on the surface of the moving seat 6, and the number of the displacement sensors 24 is the same as that of the pressure sensors 30, and the displacement sensors 24 are provided on the surface of the moving seat 6. The sensing end of the sensor 24 is directly opposite to the extrusion rod 33. When in use, the displacement sensor 24 can detect the displacement distance of the extrusion rod 33 toward the inner side of the mounting sleeve 9, thereby determining the detection condition of the damper. The displacement sensor 24 is a prior art, and its principle is that the displacement of an object causes a change in the resistance of the moving end of the potentiometer, and the change in resistance reflects the value of the displacement. Whether the resistance value increases or decreases indicates the direction of the displacement. A moving component for moving the detection component is connected to the top surface of the moving seat 6, and the moving component is composed of a first screw 20, a moving block 22, a guide rod 21 and a guide block 23, wherein the top surfaces of the moving block 22 and the guide block 23 are fixedly connected to the top surface of the moving seat 6, and a first screw 20 is penetrated inside the moving block 22, and the first screw 20 and the moving detection component are connected to each other. The moving blocks 22 are connected by bolts, so the moving block 22 can be moved on the first screw rod 20 by rotating the first screw rod 20. A guide block 23 is penetrated inside the guide rod 21, and the guide block 23 is slidably connected to the guide rod 21. Therefore, when the moving block 22 moves, the moving block 22 can drive the guide block 23 to slide on the guide rod 21 through the moving seat 6, thereby ensuring the stability and directionality of the moving seat 6 when moving. A moving motor 11 is fixedly installed on one side of the test bench 1 through a fixed plate 2, and the output end of the moving motor 11 is connected to the first screw rod 20, so that the moving motor 11 can be driven to drive the first screw rod 20 to rotate. Two moving grooves 3 are provided on the top surface of the test bench 1, and the guide rod 21 and the first screw rod 2 0 are respectively arranged inside the two moving grooves 3, so that the moving seat 6 moves along the direction of the moving groove 3. A lifting component for controlling the height of the detection component is fixedly connected to one side of the detection component, and the lifting component is composed of a second screw 26, a mounting block 27, a turbine 28 and a three-segment worm 29, wherein one side of the mounting block 27 is fixedly connected to one end of the mounting sleeve 9, and the inside of the mounting block 27 is penetrated by a second screw 26, and the second screw 26 and the mounting block 27 are connected by a thread, so that the mounting block 27 can be moved on the second screw 26 by rotating the second screw 26, the top of the second screw 26 is fixedly connected to the turbine 28, and one side of the turbine 28 is meshingly connected to the three-segment worm 29, and the surface of the three-segment worm 29 is provided with three sections of threads,The three-segment thread is respectively meshed with the three turbines 28, so that the three turbines 28 can be driven to rotate synchronously by rotating the three-segment worm 29. A plurality of lifting grooves 25 are provided on one side of the movable seat 6, and the mounting block 27 is arranged inside the lifting groove 25 and slidably connected therewith, so that the mounting block 27 can move along the inside of the lifting groove 25, thereby limiting the moving direction of the mounting block 27, and preventing the mounting block 27 from rotating when the screw is rotated. A driving shell 7 is provided on the top surface of the movable seat 6, and a lifting motor 8 is fixedly installed on the outer surface of the driving shell 7 through a fixing frame, and the output end of the lifting motor 8 is connected to the three-segment worm 29, so the lifting motor 8 can be driven to rotate the three-segment worm 29 by driving the lifting motor 8;

[0034] It is worth noting that the extrusion spring 32 inside the mounting sleeve 9 of the device should be a spring with the same stiffness coefficient, the same specifications, and the same size. During detection, the moving component can drive the moving seat 6 and the detection component to move. When the detection rod 31 in the detection component contacts the damping rod in the damper, the detection component can be continuously moved in the direction of the fixed plate 2. At this time, the detection rod 31 applies pressure to the damping rod, and at the same time, the damping rod applies an extrusion force in the direction of the extrusion spring 32 to the extrusion rod 33 through the pressure sensor 30, so that the extrusion rod 33 can squeeze the extrusion spring 32 inwardly. Since the moving seat 6 drives multiple detection components to move at the same time, the pressure applied by the detection component to the extrusion rod 33 is the same, and the inward position of the extrusion rod 33 can be detected by the displacement sensor 24. The damping value of the damper is determined by the displacement value. When the displacement value of the extrusion rod 33 is large, it means that the displacement value of the damping rod to the inner side of the damper is small, so that the damping value of the damper is large. When the displacement value of the extrusion rod 33 is small, it can be determined that the displacement value of the damping rod to the inner side of the damper is large, which further indicates that the damping value of the damper is small. When using the present device, the pressure applied to the damping rod in the damper should be preset in advance, and the displacement distance of the detection assembly driven by the moving seat 6 should be adjusted according to the pressure value given by the pressure sensor 30. When the detection rod 31 applies the preset pressure to the damping rod, the damping effect of the damper can be determined according to the displacement distance of the extrusion rod 33 given by the displacement sensor 24.

[0035] When the device is further used, the lifting motor 8 is started, the lifting motor 8 drives the three-section worm 29 to rotate, the three-section worm 29 drives the turbine 28 to rotate, the turbine 28 drives the second screw 26 to rotate, the second screw 26 drives the mounting block 27 to move along the lifting slot 25, and the mounting block 27 can drive the detection component to rise and fall, so that the detection component is aligned with the damping rod, and the moving motor 11 is started, the moving motor 11 drives the first screw 20 to rotate, the first screw 20 drives the moving block 22 to move, and the moving block 22 drives the guide block 23 to slide on the guide rod 21 through the moving seat 6, thereby ensuring that the moving seat 6 Stability and directionality during movement. When the moving seat 6 moves, the inner detection assembly can be driven to move. When the detection rod 31 in the detection assembly contacts the damping rod in the damper, the detection rod 31 can give pressure to the damping rod. The value of the pressure given by the detection rod 31 can be determined by the pressure sensor 30. When the value reaches a predetermined value, the displacement distance of the extrusion rod 33 to the inner side of the mounting sleeve 9 can be determined by the displacement sensor 24. In this way, the damping value of the damper can be detected. When the displacement value of the extrusion rod 33 inward is large, it can be determined that the damping coefficient of the damper is small, otherwise it is large.

[0036] Specific working principle: put the base of the damper into the fixing groove 10, and place the outer shell of the damper on the inner side of the positioning ring 5, so that the damping rod passes through the positioning ring 5, and the first bolt 12 is rotated by the first twisting block 13, and the first bolt 12 drives the lower pressure plate 14 to press down, so that the lower pressure plate 14 is fully in contact with the base of the damper, so that the top surface of the damper can be limited, and the two electric push rods 15 are started, and the two electric push rods 15 drive the side pressure plates 16 to move relatively, so that the two side pressure plates 16 are fully in contact with the two sides of the damper base. The two sides of the damper base are limited to fix the damper base. Through the second twisting block 19, the second twisting block 19 drives the second bolt 17 to rotate, and the second bolt 17 drives the arc plate 18 to press down, so that the arc plate 18 is fully in contact with the outer shell of the damper, and the outer shell of the damper can be fully fixed. In this way, the two ends of the damper can be fixed to ensure the stability of the damper during the subsequent detection process. After the fixation is completed, the lifting motor 8 is started, and the lifting motor 8 drives the second screw 26 to rotate, and the second The screw 26 drives the mounting block 27 to move along the lifting groove 25, and the mounting block 27 drives the detection assembly to move up and down, so that the detection assembly is aligned with the damping rod. The moving motor 11 is started, and the moving motor 11 drives the first screw 20 to rotate. The first screw 20 drives the moving block 22 to move along the moving groove 3. The moving block 22 drives the guide block 23 to move on the guide rod 21 through the moving seat 6, so as to ensure the stability of the moving seat 6 when it moves. When the moving seat 6 moves, it can drive the detection assembly to move. When the detection rod 31 in the detection assembly is aligned with the damping rod, the detection assembly is moved. When the damping rods in the device are in contact, the detection rod 31 can give pressure to the damping rod. The pressure sensor 30 can be used to determine the value of the pressure given by the detection rod 31. When the predetermined value is reached, the moving motor 11 can be turned off. The displacement sensor 24 can be used to determine the size of the displacement distance of the extrusion rod 33 toward the inside of the mounting sleeve 9, and the damping value of the damper can be obtained. When the value of the inward displacement of the extrusion rod 33 is large, it can be determined that the value of the displacement of the damping rod toward the inside of the damper is small, so that it can be known that the damping value of the damper is large, otherwise it is small.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A damper testing tool, comprising a test bench (1), characterized in that: The top surface of the test bench (1) is provided with a moving seat (6), the inner side of the moving seat (6) is provided with a plurality of detection components for detecting the damper, and one side of the detection component is connected to a lifting component, the bottom surface of the moving seat (6) is connected to a moving component, one side of the test bench (1) is fixedly connected to a fixing plate (2), one side of the fixing plate (2) is provided with a plurality of fixing grooves (10), the fixing grooves (10) are provided with fixing components, and the top surface of the test bench (1) is fixedly connected to a plurality of positioning components.

2. A damper testing tool according to claim 1, characterized in that: The detection assembly is composed of a detection rod (31), a pressure sensor (30), an extrusion rod (33), an extrusion spring (32), a mounting sleeve (9) and a displacement sensor (24); the displacement sensor (24) is mounted on the inner side of a moving seat (6); a mounting sleeve (9) is provided below the displacement sensor (24); an extrusion spring (32) is provided inside the mounting sleeve (9); one end of the extrusion spring (32) is fixedly connected to the extrusion rod (33); one end of the extrusion rod (33) extends out of the outer side of the mounting sleeve (9); and the extended end is fixedly connected to the pressure sensor (30); one side of the pressure sensor (30) is fixedly connected to the detection rod (31).

3. A damper testing tool according to claim 2, characterized in that: The lifting assembly is composed of a second screw (26), a mounting block (27), a turbine (28) and a three-section worm (29); the second screw (26) is inserted into the mounting block (27), and one side of the mounting block (27) is fixedly connected to the mounting sleeve (9); the top end of the second screw (26) is fixedly connected to the turbine (28), and one side of the turbine (28) is meshingly connected to the three-section worm (29).

4. A damper testing tool according to claim 3, characterized in that: A plurality of lifting grooves (25) are provided on one side of the movable seat (6), and a mounting block (27) is arranged inside the lifting groove (25). A driving shell (7) is provided on the top surface of the movable seat (6), and a lifting motor (8) is fixedly mounted on the outer surface of the driving shell (7) via a fixing frame, and the output end of the lifting motor (8) is connected to a three-section worm gear (29).

5. The damper testing tool according to claim 1, characterized in that: The moving assembly is composed of a first screw rod (20), a moving block (22), a guide rod (21) and a guide block (23); the top surfaces of the moving block (22) and the guide block (23) are fixedly connected to the moving seat (6); the first screw rod (20) is passed through the interior of the moving block (22); the guide rod (21) is passed through the interior of the guide block (23); and the guide rod (21) is slidably connected to the guide block (23).

6. A damper testing tool according to claim 5, characterized in that: The top surface of the test bench (1) is provided with a moving groove (3), and the first screw rod (20) and the guide rod (21) are respectively arranged inside the two moving grooves (3); a moving motor (11) is fixedly mounted on one side of the test bench (1) via a fixing frame, and the output end of the moving motor (11) is connected to the first screw rod (20).

7. A damper testing tool according to claim 1, characterized in that: The fixing assembly is composed of a first bolt (12), a lower pressure plate (14), an electric push rod (15) and a side pressure plate (16), wherein the first bolt (12) is inserted into the fixing plate (2), and the bottom end of the first bolt (12) extends into the interior of the fixing groove (10), and the extended end is movably connected to the lower pressure plate (14), and the two electric push rods (15) are symmetrically arranged inside the fixing plate (2), and one end of the electric push rod (15) extends into the interior of the fixing groove (10), and the extended end is fixedly connected to the side pressure plate (16).

8. A damper testing tool according to claim 7, characterized in that: The top end of the first bolt (12) is fixedly connected to a first twisting block (13).

9. A damper testing tool according to claim 1, characterized in that: The positioning assembly is composed of an electric telescopic rod (4), a positioning ring (5), a second bolt (17) and an arc plate (18); the electric telescopic rod (4) is fixedly arranged on the top surface of the test bench (1); the top end of the electric telescopic rod (4) is fixedly connected to the positioning ring (5); the surface of the positioning ring (5) is penetrated by the second bolt (17); the bottom end of the second bolt (17) extends into the inner side of the positioning ring (5), and the extended end is movably connected to the arc plate (18).

10. A damper testing tool according to claim 9, characterized in that: The top end of the second bolt (17) is fixedly connected to a second twisting block (19).

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