Fatigue test platform

Abstract

The utility model belongs to the technical field of fatigue tests, and particularly relates to a fatigue test platform which comprises a test platform body. The top of the test platform body is fixedly connected with a test assembly; the bottom of the test platform body is slidably connected with a pair of moving assemblies. An assembly connecting rod is fixedly connected between the moving assemblies; a spring column is arranged in the test platform body; the bottom ends of the spring columns are arranged at the bottom of the test platform body; the bottom of the test platform body is rotationally connected with a threaded rotary column; during working, a threaded rotating column can be driven to rotate, and the rotating threaded rotating column drives a pair of first racks to move downwards through a toothed bar, so that a moving assembly is separated downwards from the inner side of the test platform body, the distance between the test platform body and the ground is increased, and collision between the bottom of the test platform body and a placed part or a raised ground is reduced; the bottom of the test platform body is rubbed and even worn; the whole device prolongs the service life of the test platform body.

Description

Technical Field

[0001] This utility model belongs to the field of fatigue testing technology, specifically a fatigue testing platform. Background Technology

[0002] After the automotive shock absorber top cover is manufactured, in order to make the component meet industry standards, it is often subjected to electro-hydraulic servo fatigue test, which can simulate the extreme working conditions of the automotive shock absorber top cover being subjected to repeated tension and compression during vehicle operation.

[0003] In current technologies, fatigue testing platforms often consist of a testing platform and a servo testing component. By placing the component to be tested on top of the testing platform and activating the servo testing component, fatigue testing can be performed on the component.

[0004] Existing fatigue testing platforms inevitably move to another processing area when not in use. Due to the different components or ground surfaces in different working environments, the bottom of the fatigue testing platform may collide and rub against the ground or components, reducing its service life. Therefore, a fatigue testing platform is proposed to address the above problems. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art and solve at least one of the technical problems mentioned in the background art, this utility model proposes a fatigue testing platform.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A fatigue testing platform of this utility model includes a testing platform body; a testing component is fixedly connected to the top of the testing platform body; a pair of moving components are slidably connected to the bottom of the testing platform body; a component connecting rod is fixedly connected between the moving components; a spring column is provided inside the testing platform body; the bottom end of the spring column is located at the bottom of the testing platform body; a threaded rotating column is rotatably connected to the bottom of the testing platform body; a threaded connecting column is fixedly connected to the bottom of the spring column; the threaded connecting column and the threaded rotating column are threadedly connected; a base plate is fixedly connected to the bottom of the threaded connecting column; toothed rods are rotatably connected to both sides of the bottom of the testing platform body; the toothed rods mesh with the threaded rotating columns; a first rack is fixedly connected to the top of the component connecting rod; the toothed rods mesh with the first rack.

[0007] Preferably, protective connecting rods are fixedly connected to both sides of the base plate; a second rack is slidably connected to the bottom of the test platform body; multiple sets of fixed seats are fixedly connected to the bottom of the test platform body; a transmission gear is rotatably connected to the side wall of the fixed seat; the transmission gear meshes with the second rack; a connecting spring is fixedly connected to the side wall of the transmission gear; and the connecting spring is connected to the fixed seat.

[0008] Preferably, each of the multiple sets of protective connecting rods has a connecting seat fixedly connected to its sidewall; the connecting seat is located on the side of the second rack away from the base plate; and the sidewall of the connecting seat is rotatably connected to a first rotating wheel.

[0009] Preferably, a support column is rotatably connected to the bottom of the test platform body; the support column is sleeved on the outside of the toothed rod; and a pair of second rotating wheels are rotatably connected to the side wall of the support column.

[0010] Preferably, a pair of connecting plates are fixedly connected to both sides of the bottom of the test platform body; a protective plate is fixedly connected between the pair of connecting plates.

[0011] Preferably, the protective plate has an observation window on its side wall.

[0012] Preferably, a friction plate is fixedly connected to the bottom of the base plate.

[0013] The beneficial effects of this utility model are:

[0014] 1. This utility model provides a fatigue testing platform. The rotating threaded column drives a pair of first racks to move downward through the rack, thereby causing the moving component to detach downward from the inner side of the test platform body. This increases the distance between the test platform body and the ground, thereby reducing the collision between the bottom of the test platform body and the placed components or raised ground, which would cause friction or even wear on the bottom of the test platform body. The overall device improves the working life of the test platform body.

[0015] 2. This utility model provides a fatigue testing platform. When the raised ground no longer squeezes and collides with the base plate, multiple sets of deformable connecting springs can drive the transmission gear to rotate and drive the second rack and the protective connecting rod to reset. During the reset process of the base plate, the entire device can be reset together. This improves the ease of operation of the entire device, reduces the number of working steps, and improves work efficiency. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0017] Figure 1 This is a three-dimensional view of the test platform body of this utility model;

[0018] Figure 2 This is a perspective view of the movable component in this utility model;

[0019] Figure 3 This is a perspective view of the spring column in this utility model;

[0020] Figure 4This is a perspective view of the toothed rod in this utility model;

[0021] Figure 5 This is a perspective view of the second transmission gear in this utility model.

[0022] Legend:

[0023] 1. Test platform body; 11. Test component; 12. Moving component; 13. Component connecting rod; 14. Spring column; 15. Threaded rotating column; 16. Threaded connecting column; 17. Base plate; 18. Gear rack; 19. First rack; 2. Protective connecting rod; 21. Second rack; 22. Fixed seat; 23. Transmission gear; 24. Connecting spring; 3. Connecting seat; 31. First rotating wheel; 4. Support column; 41. Second rotating wheel; 5. Connecting plate; 51. Protective plate; 6. Observation window; 7. Friction soft plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0025] Specific implementation examples are given below.

[0026] Please see Figures 1-5This utility model provides a fatigue testing platform, including a testing platform body 1; a testing component 11 is fixedly connected to the top of the testing platform body 1; a pair of moving components 12 are slidably connected to the bottom of the testing platform body 1; a component connecting rod 13 is fixedly connected between the moving components 12; a spring column 14 is provided inside the testing platform body 1; the bottom end of the spring column 14 is located at the bottom of the testing platform body 1; a threaded rotating column 15 is rotatably connected to the bottom of the testing platform body 1; a threaded connecting column 16 is fixedly connected to the bottom of the spring column 14; the threaded connecting column 16 and the threaded rotating column 15 are threadedly connected; a base plate 17 is fixedly connected to the bottom of the threaded connecting column 16; toothed rods 18 are rotatably connected to both sides of the bottom of the testing platform body 1; the toothed rods 18 and the threaded rotating columns 15 mesh with each other; a first rack 1 is fixedly connected to the top of the component connecting rod 13. 9; The rack 18 and the first rack 19 mesh with each other; During operation, the test platform body 1 moves through the moving component 12 and the component connecting rod 13. When the test platform body 1 moves to the raised ground, the raised ground presses against the base plate 17, thereby causing the base plate 17 to push the threaded connecting column 16 upward through the spring column 14. During the movement of the threaded connecting column 16, the threaded rotating column 15 can be driven to rotate. The rotating threaded rotating column 15 drives a pair of first racks 19 to move downward through the rack 18, thereby causing the moving component 12 to disengage downward from the inside of the test platform body 1, increasing the distance of the test platform body 1 from the ground, thereby reducing the collision between the bottom of the test platform body 1 and the placed components or the raised ground, which would cause friction or even wear on the bottom of the test platform body 1; The overall device improves the working life of the test platform body 1.

[0027] Furthermore, such as Figure 4 and Figure 5 As shown, protective connecting rods 2 are fixedly connected to both sides of the base plate 17; a second rack 21 is slidably connected to the bottom of the test platform body 1; multiple sets of fixed seats 22 are fixedly connected to the bottom of the test platform body 1; a transmission gear 23 is rotatably connected to the side wall of the fixed seat 22; the transmission gear 23 meshes with the second rack 21; a connecting spring 24 is fixedly connected to the side wall of the transmission gear 23; the connecting spring 24 is connected to the fixed seat 22; during operation, when the raised ground collides with the base plate 17 and moves upward, the second rack 21... 1. The two gears move together, and because the second rack 21 meshes with the transmission gear 23, the transmission gear 23 rotates. The rotating transmission gear 23 causes the connecting spring 24 to deform accordingly. When the raised ground no longer squeezes and collides with the base plate 17, the multiple sets of deformed connecting springs 24 can drive the transmission gear 23 to rotate and drive the second rack 21 and the protective connecting rod 2 to reset. During the reset process of the base plate 17, the entire device can be reset together. This improves the ease of operation of the entire device, reduces the number of working steps, and improves work efficiency.

[0028] Furthermore, such as Figure 4 As shown, each of the multiple sets of protective connecting rods 2 has a connecting seat 3 fixedly connected to its side wall; the connecting seat 3 is located on the side of the second rack 21 away from the base plate 17; the side wall of the connecting seat 3 is rotatably connected to a first rotating wheel 31; during operation, the connecting seat 3 and the first rotating wheel 31 cooperate with each other. When the base plate 17 comes into contact with the raised ground, the first rotating wheel 31 also comes into contact with the ground, and the first rotating wheel 31 rotates accordingly. The first rotating wheel 31 can effectively reduce the occurrence of severe wear caused by the bottom of the base plate 17 being in contact with the ground for a long time, thereby improving the service life of the base plate 17.

[0029] Furthermore, such as Figure 3 As shown, a support column 4 is rotatably connected to the bottom of the test platform body 1; the support column 4 is sleeved on the outside of the rack 18; a pair of second rotating wheels 41 are rotatably connected to the side wall of the support column 4; during operation, the support column 4 and the second rotating wheels 41 cooperate with each other to achieve the effect of supporting the middle part of the rack 18; the overall device reduces the load at the connection between the rack 18 and the test platform body 1, and the overall device improves the stability of the rack 18 during long-term operation.

[0030] Furthermore, such as Figure 1 As shown, a pair of connecting plates 5 are fixedly connected to both sides of the bottom of the test platform body 1; a protective plate 51 is fixedly connected between the pair of connecting plates 5; during operation, the connecting plates 5 and the protective plate 51 cooperate with each other to block external impurities, thereby reducing the occurrence of external impurities directly contacting the meshing part of the rack 18 and the first rack 19; the overall device improves the stability of the rack 18 and the first rack 19 during long-term operation.

[0031] Furthermore, such as Figure 2 As shown, the protective plate 51 has an observation window 6 on its side wall; during operation, the staff can directly observe the situation at the bottom of the test platform body 1 through the observation window 6, which improves the staff's timely response to abnormal conditions at the bottom of the test platform body 1.

[0032] Furthermore, such as Figure 3 As shown, a friction plate 7 is fixedly connected to the bottom of the base plate 17. During operation, the friction plate 7 is made of elastic material. The friction plate 7 and the base plate 17 are in contact with each other and the ground. The friction plate 7 can effectively reduce the friction on the surface of the base plate 17 and improve the service life of the base plate 17.

[0033] Working principle: During operation, the test platform body 1 moves via the moving component 12 and the component connecting rod 13. When the test platform body 1 moves to the raised ground, the raised ground presses against the base plate 17, causing the base plate 17 to push the threaded connecting column 16 upward via the spring column 14. During the movement of the threaded connecting column 16, the threaded rotating column 15 is driven to rotate. The rotating threaded rotating column 15 drives a pair of first racks 19 downward via the rack 18, causing the moving component 12 to disengage downward from the inside of the test platform body 1. This increases the distance between the test platform body 1 and the ground, thereby reducing the risk of collision between the bottom of the test platform body 1 and the placed components or the raised ground, thus minimizing the impact on the test platform. The bottom of the test platform body 1 experiences friction or even wear; the overall device extends the service life of the test platform body 1; during operation, when the raised ground collides with the base plate 17 and moves upward, the second rack 21 moves along with it, and because the second rack 21 meshes with the transmission gear 23, it drives the transmission gear 23 to rotate, causing the connecting spring 24 to deform accordingly; when the raised ground no longer collides with the base plate 17, the multiple sets of deformed connecting springs 24 can drive the transmission gear 23 to rotate and drive the second rack 21 and the protective connecting rod 2 to reset; and during the reset process of the base plate 17, the entire device can be reset together; improving the operation of the entire device. The ease of operation reduces work steps and improves work efficiency. During operation, the connecting seat 3 and the first rotating wheel 31 cooperate with each other. When the base plate 17 contacts the raised ground, the first rotating wheel 31 also contacts the ground and rotates accordingly. The first rotating wheel 31 can effectively reduce the severe wear caused by prolonged contact between the bottom of the base plate 17 and the ground, thus extending the service life of the base plate 17. During operation, the support column 4 and the second rotating wheel 41 cooperate with each other to support the middle part of the rack 18. The overall device reduces the load at the connection between the rack 18 and the test platform body 1, and improves the stability of the rack 18 during long-term operation. The connecting plate 5 and the protective plate 51 work together to block external impurities, thereby reducing the occurrence of external impurities directly contacting the meshing point of the rack 18 and the first rack 19. The overall device improves the stability of the rack 18 and the first rack 19 during long-term operation. During operation, the operator can directly observe the situation at the bottom of the test platform body 1 through the observation window 6, improving the operator's timely response to abnormal conditions at the bottom of the test platform body 1. During operation, the friction plate 7 is made of elastic material, and the friction plate 7 and the base plate 17 are in contact with the ground. The friction plate 7 can effectively reduce the friction on the surface of the base plate 17 and improve the service life of the base plate 17.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A fatigue testing platform, comprising a testing platform body (1); characterized in that; The test platform body (1) is fixedly connected to the top of the test component (11); a pair of moving components (12) are slidably connected to the bottom of the test platform body (1); a component connecting rod (13) is fixedly connected between the moving components (12); a spring column (14) is provided inside the test platform body (1); the bottom end of the spring column (14) is located at the bottom of the test platform body (1); a threaded rotating column (15) is rotatably connected to the bottom of the test platform body (1); the spring column (14) is rotatably connected to the bottom of the test platform body (1); 4) A threaded connecting column (16) is fixedly connected to the bottom; the threaded connecting column (16) and the threaded rotating column (15) are threadedly connected; a base plate (17) is fixedly connected to the bottom of the threaded connecting column (16); a rack (18) is rotatably connected to both sides of the bottom of the test platform body (1); the rack (18) and the threaded rotating column (15) mesh with each other; a first rack (19) is fixedly connected to the top of the component connecting rod (13); the rack (18) and the first rack (19) mesh with each other.

2. The fatigue testing platform as described in claim 1, characterized in that: The base plate (17) has protective connecting rods (2) fixedly connected to both sides; the test platform body (1) has a second rack (21) slidably connected to the bottom; the test platform body (1) has multiple sets of fixed seats (22) fixedly connected to the bottom; the fixed seat (22) has a transmission gear (23) rotatably connected to the side wall; the transmission gear (23) meshes with the second rack (21); the transmission gear (23) has a connecting spring (24) fixedly connected to the side wall; the connecting spring (24) is connected to the fixed seat (22).

3. The fatigue testing platform as described in claim 2, characterized in that: Each of the multiple sets of protective connecting rods (2) has a connecting seat (3) fixedly connected to its side wall; the connecting seat (3) is located on the side of the second rack (21) away from the bottom plate (17); the side wall of the connecting seat (3) is rotatably connected to a first rotating wheel (31).

4. The fatigue testing platform as described in claim 1, characterized in that: The bottom of the test platform body (1) is rotatably connected to a support column (4); the support column (4) is sleeved on the outside of the toothed rod (18); a pair of second rotating wheels (41) are rotatably connected to the side wall of the support column (4).

5. The fatigue testing platform as described in claim 1, characterized in that: The test platform body (1) has a pair of connecting plates (5) fixedly connected to both sides of its bottom; a protective plate (51) is fixedly connected between the pair of connecting plates (5).

6. The fatigue testing platform as described in claim 5, characterized in that: The protective plate (51) has an observation window (6) on its side wall.

7. The fatigue testing platform as described in claim 1, characterized in that: A friction plate (7) is fixedly connected to the bottom of the base plate (17).

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