Testing tool of automobile suspension fatigue test bench

Abstract

The utility model relates to the technical field of automobile suspension testing, and discloses a testing tool of an automobile suspension fatigue test bench, which comprises a base and a fixing frame on one side of the top of the base, two electric slide rails are fixedly connected outside the fixing frame, a moving plate is slidably connected outside the electric slide rails, and the moving plate is fixedly connected with the fixing frame. A connecting frame is fixedly connected to the exterior of the movable plate, a fixing block is fixedly connected to the bottom of the connecting frame, two clamping grooves are formed in the fixing block, a testing instrument is detachably connected to the bottom of the fixing block, and a dismounting assembly is arranged in the fixing block and used for dismounting the testing instrument. According to the utility model, the motor drives and drives the swing disc to rotate, so that the two connecting rods drive the two sliding plates to slide on the sliding columns to move oppositely or oppositely, and the moving blocks on the sliding plates move along with the sliding plates, thereby enabling the clamping blocks to clamp the automobile suspension, and guaranteeing the stability of the automobile suspension in the testing process.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile suspension testing, in particular to a testing tool for an automobile suspension fatigue test bench. Background Art

[0002] As a key component of the vehicle chassis system, the quality and performance of the automobile suspension are directly related to the safety, comfort and handling stability of the vehicle during driving. As consumers' requirements for automobile quality continue to increase, automobile manufacturers and related R&D institutions are paying more and more attention to the research and testing of automobile suspension. In order to comprehensively evaluate the reliability and durability of automobile suspension during long-term use, accurate and efficient fatigue testing has become an indispensable link.

[0003] At present, a series of related devices for fixing the suspension and installing the test instruments have appeared in the test fixtures of automobile suspension fatigue test benches. These devices have certain diversity in structure and function. Among them, some devices adopt a more traditional clamping method, such as fixing the suspension by a simple clamp or claw, which has a relatively simple structure and a direct operating principle.

[0004] These existing devices have exposed some significant deficiencies in practical applications. In terms of clamping the automobile suspension, the existing clamping structure has poor stability. When faced with complex test conditions and high-intensity vibrations, the suspension is prone to shaking or even shifting, which greatly affects the accuracy and reliability of the test data. Therefore, a test fixture for an automobile suspension fatigue test bench is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides a test fixture for an automobile suspension fatigue test bench, aiming to improve some significant deficiencies exposed by the existing devices in practical applications, such as the poor stability of the existing clamping structure in clamping the automobile suspension.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a test fixture of an automobile suspension fatigue test bench, comprising a base, a fixed frame is arranged on one side of the top of the base, two electric slide rails are fixedly connected to the outside of the fixed frame, a moving plate is slidably connected to the outside of the electric slide rail, a connecting frame is fixedly connected to the outside of the moving plate, a fixed block is fixedly connected to the bottom of the connecting frame, two card slots are arranged inside the fixed block, a test instrument is detachably connected to the bottom of the fixed block, a disassembly component is arranged inside the fixed block, and the disassembly component is used to disassemble the test instrument, a hydraulic cylinder is fixedly connected to the middle end of the top of the base, a connecting plate is fixedly connected to the output end of the hydraulic cylinder, a motor is fixedly connected to the inside of the connecting plate, a swing disk is fixedly connected to the output end of the motor, both sides of the swing disk are rotatably connected to connecting rods, and one end of the connecting rod away from the swing disk is rotatably connected to the sliding plate, two moving blocks are fixedly connected to the top of the sliding plate, and a clamping block is fixedly connected to the top of the moving block.

[0007] As a further description of the above technical solution:

[0008] The disassembly assembly comprises two installation grooves, both of which are arranged inside the fixed block, the inner walls of the installation grooves are slidably connected with a movable plate, and one end of the movable plate is fixedly connected with a clamping block.

[0009] As a further description of the above technical solution:

[0010] The other end of the movable plate is fixedly connected with a pull rod, and the end of the pull rod away from the movable plate is provided with a pull ring.

[0011] As a further description of the above technical solution:

[0012] The outer sleeve of the pull rod is provided with a spring.

[0013] As a further description of the above technical solution:

[0014] One end of the spring is fixedly connected to the inner wall of the mounting groove, and the other end of the spring is fixedly connected to one side of the movable plate.

[0015] As a further description of the above technical solution:

[0016] The longitudinal sections of the two card blocks are arranged to be square, the shapes of the card blocks match the card slots, and the two card blocks are plugged and matched with the corresponding card slots.

[0017] As a further description of the above technical solution:

[0018] Two sliding columns are slidably connected to the inner through hole of the sliding plate, and the left and right ends of the sliding columns are fixedly connected to the inner wall of the connecting plate.

[0019] As a further description of the above technical solution:

[0020] A control box is arranged on the other side of the top of the base.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the motor drives and drives the swing plate to rotate, so that the two connecting rods drive the two sliding plates to slide on the sliding column to move relative or oppositely, and the moving blocks on the sliding plates move accordingly, so that the clamping blocks clamp the automobile suspension, ensuring that the automobile suspension remains stable during the test.

[0023] 2. In the utility model, by pulling the pull ring, the pull rod is driven to move, so that the movable plate slides in the installation groove and drives the card block to disengage from the card slot. At this time, the test instrument can be removed from the fixed shell, so that the test instrument can be maintained or replaced. The design is reasonable and convenient for people to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of a test fixture for an automobile suspension fatigue test bench proposed by the utility model;

[0025] Figure 2 This is a schematic diagram of the clamping block structure of a test fixture of an automobile suspension fatigue test bench proposed by the utility model;

[0026] Figure 3 This is a schematic diagram of the fixing frame structure of a test fixture of an automobile suspension fatigue test bench proposed by the utility model;

[0027] Figure 4 This is a schematic diagram of the swing plate structure of a test fixture of an automobile suspension fatigue test bench proposed by the utility model;

[0028] Figure 5 The utility model is a schematic diagram of the disassembly assembly structure of a test fixture of an automobile suspension fatigue test bench.

[0029] Legend:

[0030] 1. Base; 2. Control box; 3. Fixed frame; 4. Electric slide rail; 5. Moving plate; 6. Connecting frame; 7. Fixed block; 8. Testing instrument; 9. Hydraulic cylinder; 10. Connecting plate; 11. Clamping block; 12. Motor; 13. Swing plate; 14. Connecting rod; 15. Sliding plate; 16. Moving block; 17. Sliding column; 18. Mounting slot; 19. Movable plate; 20. Block; 21. Pull rod; 22. Spring; 23. Slot; 24. Pull ring. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1 , Figure 2 and Figure 4 The utility model provides an embodiment: a test fixture for a vehicle suspension fatigue test bench, comprising a base 1, a fixing frame 3 is arranged on one side of the top of the base 1, the outside of the fixing frame 3 is fixedly connected to two electric slide rails 4, the outside of the electric slide rails 4 is slidably connected to a moving plate 5, the outside of the moving plate 5 is fixedly connected to a connecting frame 6, the bottom of the connecting frame 6 is fixedly connected to a fixing block 7, the inside of the fixing block 7 is provided with two card slots 23, the bottom of the fixing block 7 is detachably connected to a testing instrument 8, the top middle end of the base 1 is fixedly connected to a hydraulic cylinder 9, and the output end of the hydraulic cylinder 9 is fixedly connected to A connecting plate 10 is provided, wherein a motor 12 is fixedly connected inside the connecting plate 10, a swinging plate 13 is fixedly connected to the output end of the motor 12, connecting rods 14 are rotatably connected to both sides of the swinging plate 13, and a sliding plate 15 is rotatably connected to one end of the connecting rod 14 away from the swinging plate 13, two moving blocks 16 are fixedly connected to the top of the sliding plate 15, a clamping block 11 is fixedly connected to the top of the moving block 16, two sliding columns 17 are slidably connected to the internal through holes of the sliding plate 15, and the left and right ends of the sliding columns 17 are fixedly connected to the inner wall of the connecting plate 10, and a control box 2 is provided on the other side of the top of the base 1.

[0033] Specifically, the base 1 is the supporting structure of the entire device, providing a stable foundation for the top structure, the fixed frame 3 electric slide rail 4 provides an installation foundation, the two electric slide rails 4 enable the movable plate 5 to move, the connecting frame 6 is fixed on the movable plate 5 and acts as a bridge, connecting the movable plate 5 and the fixed block 7, ensuring that when the movable plate 5 moves, the fixed block 7 can be driven to move, the fixed block 7 is the fixed position of the test instrument 8, and a disassembly component is designed inside, the card slot 23 is plugged into the card block 20 to achieve the fixation of the test instrument 8, the test instrument 8 is used to test the automobile suspension, the hydraulic cylinder 9 can push the connecting plate 10 to move up and down, so that the automobile suspension can move up and down, so that the test instrument 8 can test the automobile suspension, and the motor 12 can drive the swing plate 13 to rotate. The rotation of the swing plate 13 will drive the connecting rod 14 to move. The connecting rod 14 is a connecting component between the swing plate 13 and the sliding plate 15. When the swing plate 13 rotates, it is transmitted to the sliding plate 15 through the connecting rod 14, so that the sliding plate 15 slides. The sliding of the sliding plate 15 will drive the clamping block 11 to clamp or release. The moving block 16 moves together with the sliding plate 15 to ensure the synchronization of the clamping block 11. The clamping block 11 is used to clamp the automobile suspension to ensure stability during the test. The sliding column 17 provides a stable sliding track for the sliding plate 15. The control box 2 is used to control the operation of the entire device, including the start and stop of the motor 12, the hydraulic cylinder 9 and the electric slide rail 4.

[0034] Reference Figure 1 , Figure 3 and Figure 5 A disassembly component is provided inside the fixed block 7, and the disassembly component is used to disassemble the test instrument 8. The disassembly component includes two mounting grooves 18, and the two mounting grooves 18 are both opened inside the fixed block 7. A movable plate 19 is slidably connected to the inner wall of the mounting groove 18, and a clamping block 20 is fixedly connected to one end of the movable plate 19, and a pull rod 21 is fixedly connected to the other end of the movable plate 19. A pull ring 24 is provided at the end of the pull rod 21 away from the movable plate 19, and a spring 22 is sleeved on the outside of the pull rod 21, and one end of the spring 22 is fixedly connected to the inner wall of the mounting groove 18, and the other end of the spring 22 is fixedly connected to one side of the movable plate 19. The longitudinal sections of the two clamping blocks 20 are set to be square, and the shape of the clamping blocks 20 matches the clamping groove 23. The two clamping blocks 20 are both plugged into and matched with the corresponding clamping grooves 23.

[0035] Specifically, two of the mounting grooves 18 are provided inside the fixed block 7, and the movable plate 19 can slide in the mounting groove 18, which is a key factor in realizing the disassembly function. The shape and size of the card block 20 are designed according to the card slot 23 on the test instrument 8 to ensure that they can fit tightly. The pull rod 21 connects the movable plate 19 and the pull ring 24, so that pulling the pull ring 24 drives the movable plate 19 to move, and the pull ring 24 improves the convenience of operation. The function of the spring 22 is to provide a reset force, so that after the pull rod 21 is released, the movable plate 19 can automatically return to the initial position, so that the card block 20 can be tightly plugged into the card slot 23. The longitudinal section of the card block 20 is set to a square, in order to ensure that the card block 20 can remain stable when inserted into the card slot 23 to avoid shaking or falling off during the test.

[0036] Working principle: first, place the automobile suspension on the connecting plate 10 and then start the motor 12. The motor 12 starts working and drives the swing plate 13 to rotate. The motor 12 drives and drives the swing plate 13 to rotate. As the swing plate 13 rotates, the two connecting rods 14 will move, so that the two connecting rods 14 drive the two sliding plates 15 to slide on the sliding column 17 to move relative to or oppositely, and the moving block 16 on the sliding plate 15 will move accordingly, and the clamping block 11 will also move accordingly, so that the clamping block 11 clamps the automobile suspension to ensure that the automobile suspension remains stable during the test. Then, the moving plate 5 is driven to move through the electric slide rail 4, so that the test instrument 8 is driven to contact the automobile suspension. At this time, the test instrument 8 is ready for testing, and then the hydraulic cylinder 9 is started to drive the automobile suspension to move. The hydraulic cylinder 9 pushes the connecting plate 10 to move up and down, so that the test instrument 8 tests the automobile suspension.

[0037] When the test instrument 8 is maintained or replaced, the pull ring 24 is pulled to apply tension through the pull ring 24, thereby driving the pull rod 21 to move. The pull rod 21 moves under the action of the tension, causing the movable plate 19 to slide in the installation groove 18. After the movable plate 19 is subjected to the tension, it moves in the direction away from the card slot 23 and drives the card block 20 to disengage from the card slot 23. At this time, the test instrument 8 can be removed from the fixed block 7, so that the test instrument 8 can be maintained or replaced, making the maintenance or replacement process of the test instrument 8 simple and quick, with a reasonable design, and is convenient for people to use, thereby improving the efficiency and convenience of the device.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A test fixture for an automobile suspension fatigue test bench, comprising a base (1), characterized in that: A fixing frame (3) is arranged on one side of the top of the base (1); the fixing frame (3) is fixedly connected to two electric slide rails (4) on the outside; the electric slide rails (4) are slidably connected to a moving plate (5) on the outside; the moving plate (5) is fixedly connected to a connecting frame (6) on the outside; a fixing block (7) is fixedly connected to the bottom of the connecting frame (6); two card slots (23) are arranged inside the fixing block (7); a test instrument (8) is detachably connected to the bottom of the fixing block (7); a disassembly component is arranged inside the fixing block (7); the disassembly component is used to disassemble the test instrument (8); A hydraulic cylinder (9) is fixedly connected to the middle end of the top of the base (1), a connecting plate (10) is fixedly connected to the output end of the hydraulic cylinder (9), a motor (12) is fixedly connected to the inside of the connecting plate (10), a swing plate (13) is fixedly connected to the output end of the motor (12), both sides of the swing plate (13) are rotatably connected to connecting rods (14), one end of the connecting rod (14) away from the swing plate (13) is rotatably connected to a sliding plate (15), the top of the sliding plate (15) is fixedly connected to two moving blocks (16), and the top of the moving block (16) is fixedly connected to a clamping block (11).

2. The test fixture of the automobile suspension fatigue test bench according to claim 1, characterized in that: The disassembly assembly comprises two installation grooves (18), both of which are arranged inside the fixed block (7), the inner wall of the installation groove (18) is slidably connected with a movable plate (19), and one end of the movable plate (19) is fixedly connected with a clamping block (20).

3. The test fixture of the automobile suspension fatigue test bench according to claim 2, characterized in that: The other end of the movable plate (19) is fixedly connected to a pull rod (21), and an end of the pull rod (21) away from the movable plate (19) is provided with a pull ring (24).

4. The test fixture of the automobile suspension fatigue test bench according to claim 3 is characterized by: The outer portion of the pull rod (21) is sleeved with a spring (22).

5. The test fixture of the automobile suspension fatigue test bench according to claim 4, characterized in that: One end of the spring (22) is fixedly connected to the inner wall of the mounting groove (18), and the other end of the spring (22) is fixedly connected to one side of the movable plate (19).

6. The test fixture of the automobile suspension fatigue test bench according to claim 2, characterized in that: The longitudinal sections of the two card blocks (20) are arranged to be square, the shape of the card blocks (20) matches the card slot (23), and the two card blocks (20) are plugged into and matched with the corresponding card slots (23).

7. The test fixture of the automobile suspension fatigue test bench according to claim 1, characterized in that: Two sliding columns (17) are slidably connected to the internal through hole of the sliding plate (15), and the left and right ends of the sliding columns (17) are fixedly connected to the inner wall of the connecting plate (10).

8. The test fixture of the automobile suspension fatigue test bench according to claim 1, characterized in that: A control box (2) is arranged on the other side of the top of the base (1).

Images