Hydraulic oil cylinder delivery test bench

Abstract

The utility model provides a hydraulic oil cylinder delivery test bench, and relates to the technical field of hydraulic oil cylinders, the hydraulic oil cylinder delivery test bench comprises a detection bench, the four corners of the bottom end of the detection bench are provided with supporting legs, the detection bench is internally provided with a moving mechanism, the two sides of the top end of a mounting plate are provided with mounting cavities, and the inner sides of the mounting cavities are provided with positioning mechanisms; the positioning mechanism is arranged on the inner side of the mounting cavity, and stable positioning treatment can be performed on the hydraulic oil cylinder through mutual cooperation of an upper fixing seat, a plastic plate, a cavity, a damper, a telescopic spring, a connecting rod, a first servo motor, a threaded rod, a threaded sleeve, a fixed rod and a movable sleeve of the positioning mechanism, so that the hydraulic oil cylinder is more stable during testing; and meanwhile, the use of the telescopic spring can protect the hydraulic oil cylinder to prevent the hydraulic oil cylinder from being damaged due to overlarge clamping force, so that the stability of the test board in use is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic oil cylinders, in particular to a hydraulic oil cylinder factory test bench. Background Art

[0002] With the development of economy and the continuous improvement of science and technology, my country's machinery industry has developed very rapidly. Hydraulic cylinders are used more and more in daily life. Hydraulic cylinders are hydraulic actuators that convert hydraulic energy into mechanical energy and perform linear reciprocating motion (or swinging motion). They are widely used in the hydraulic systems of various machines. Hydraulic cylinders need to be placed on the test bench for testing before leaving the factory.

[0003] For example, application number CN218428230U discloses "a hydraulic cylinder factory test bench" and specifically discloses: a support column is installed at the bottom of the test bench body, a mounting seat is installed at the bottom of the support column, a test equipment body is arranged on the top of the mounting seat, a placement seat is installed on the top of the test bench body, a mounting mechanism is arranged on the top of the test bench body, and an auxiliary fixing mechanism is installed on the outside of the mounting mechanism. However, in the above technology, when the hydraulic cylinder is positioned, only the elastic force of the spring is used to fix it. Since the worker can pull the spring manually, the elastic force of the spring will not be very large, so the hydraulic cylinder may move during testing, which is not stable enough, thus affecting the test result of the hydraulic cylinder, thereby reducing the practicability of the test bench when in use. Therefore, the utility model proposes a hydraulic cylinder factory test bench to solve the above problems. Utility Model Content

[0004] In view of the above problems, the utility model proposes a hydraulic cylinder factory test bench, which solves the problem in the above technology that when the hydraulic cylinder is positioned, only the elastic force of the spring is used to fix it. Since the worker can pull the spring manually, the elastic force of the spring will not be very large, so the hydraulic cylinder may move during the test, which is not stable enough, thus affecting the test result of the hydraulic cylinder.

[0005] To achieve the purpose of the utility model, the utility model is implemented by the following technical solutions: a hydraulic cylinder factory test bench, comprising a test bench, support legs are installed at the four corners of the bottom end of the test bench, a moving mechanism is arranged inside the test bench, a mounting plate is installed at the top end of the test bench, a lower fixing seat is installed at the middle position of the top end of the mounting plate, mounting cavities are installed on both sides of the top end of the mounting plate, and a positioning mechanism is arranged inside the mounting cavity;

[0006] The positioning mechanism includes an upper fixed seat, a plastic plate, a cavity, a damper, a telescopic spring, a connecting rod and a power structure. The upper fixed seat is installed on the inner side of the two installation cavities. A plurality of cavities are installed at the bottom end of the upper fixed seat. A damper is installed at the top end of the cavity. A telescopic spring is provided on the outer wall of the damper. A connecting rod is installed at the bottom end of the telescopic spring. A plastic plate is installed at the bottom end of the connecting rod.

[0007] A further improvement is that the inner sides of the lower fixing seat and the plastic plate are both designed to be arc-shaped, and the lower fixing seat and the plastic plate are adapted to each other.

[0008] Further improvements are: the power structure includes a connecting block, a first servo motor, a threaded rod, a threaded sleeve, a fixed rod and a movable sleeve, the first servo motor is installed at the top of one of the installation cavities, the threaded rod is installed inside one of the installation cavities, the output end of the first servo motor is connected to one end of the threaded rod, the outer wall of the threaded rod is provided with a threaded sleeve, one side of the threaded sleeve is connected to one side of the upper fixed seat, the fixed rod is installed inside another of the installation cavities, the outer wall of the fixed rod is provided with a movable sleeve, one end of the movable sleeve is installed with a connecting block, and one end of the connecting block is connected to one side of the upper fixed seat.

[0009] A further improvement is that the moving mechanism includes a second servo motor, a screw, a screw sleeve and a limiting structure, the second servo motor is installed on one side of the testing platform, the screw is installed at the middle position inside the testing platform, the outer wall of the screw is provided with a screw sleeve, and the top end of the screw sleeve is connected to the bottom end of the mounting plate.

[0010] A further improvement is that the limiting structure includes a limiting rod and a limiting sleeve, the limiting rod is installed on both sides inside the detection platform, the outer side wall of the limiting rod is provided with a limiting sleeve, and the top end of the limiting sleeve is connected to the bottom end of the mounting plate.

[0011] A further improvement is that the cross section of the limiting rod is smaller than the cross section of the limiting sleeve, and a sliding structure is formed between the limiting rod and the limiting sleeve.

[0012] The beneficial effects of the utility model are as follows: by arranging a positioning mechanism on the inner side of the installation cavity, the upper fixed seat, the plastic plate, the cavity, the damper, the telescopic spring, the connecting rod, the first servo motor, the threaded rod, the threaded sleeve, the fixed rod and the movable sleeve of the positioning mechanism can be used to stably position the hydraulic cylinder, so that the hydraulic cylinder is more stable during testing. At the same time, the use of the telescopic spring can protect the hydraulic cylinder to prevent the hydraulic cylinder from being damaged by excessive clamping force, thereby greatly improving the stability of the test bench during use; by arranging a moving mechanism inside the test bench, the second servo motor, the screw rod, the screw sleeve, the limit rod and the limit sleeve of the moving mechanism can be used to drive the clamped hydraulic cylinder to move, so that the effect is better when testing hydraulic cylinders of different lengths and different models, thereby greatly improving the practicality of the test bench during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the overall structure of the mobile mechanism of the utility model;

[0015] Figure 3 This is a schematic diagram of the overall structure of the positioning mechanism of the utility model;

[0016] Figure 4 It is a schematic diagram of the overall structure of the telescopic spring of the utility model.

[0017] Among them: 1. Testing table; 2. Support legs; 3. Mounting plate; 4. Lower fixing seat; 5. Mounting cavity; 6. Upper fixing seat; 7. Plastic plate; 8. Cavity; 9. Damper; 10. Telescopic spring; 11. Connecting rod; 12. Connecting block; 13. First servo motor; 14. Threaded rod; 15. Threaded sleeve; 16. Fixed rod; 17. Movable sleeve; 18. Second servo motor; 19. Screw; 20. Screw sleeve; 21. Limit rod; 22. Limit sleeve. DETAILED DESCRIPTION

[0018] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0019] according to Figure 1 , 2As shown in Figures 3 and 4, this embodiment proposes a hydraulic cylinder factory test bench, including a test bench 1, wherein support legs 2 are installed at the four corners of the bottom end of the test bench 1, a moving mechanism is arranged inside the test bench 1, a mounting plate 3 is installed at the top end of the test bench 1, a lower fixing seat 4 is installed at the middle position of the top end of the mounting plate 3, mounting cavities 5 are installed on both sides of the top end of the mounting plate 3, and a positioning mechanism is arranged on the inner side of the mounting cavity 5.

[0020] The positioning mechanism includes an upper fixed seat 6, a plastic plate 7, a cavity 8, a damper 9, a telescopic spring 10, a connecting rod 11 and a power structure. The upper fixed seat 6 is installed on the inner side of the two installation cavities 5. A plurality of cavities 8 are installed at the bottom end of the upper fixed seat 6. A damper 9 is installed at the top of the cavity 8. A telescopic spring 10 is provided on the outer wall of the damper 9. A connecting rod 11 is installed at the bottom end of the telescopic spring 10. A plastic plate 7 is installed at the bottom end of the connecting rod 11. The lower fixed seat 4 The inner side of the plastic plate 7 is designed in an arc shape, the lower fixing seat 4 and the plastic plate 7 are adapted to each other, the power structure includes a connecting block 12, a first servo motor 13, a threaded rod 14, a threaded sleeve 15, a fixing rod 16 and a movable sleeve 17, the first servo motor 13 is installed at the top of one of the installation cavities 5, the threaded rod 14 is installed inside one of the installation cavities 5, the output end of the first servo motor 13 is connected to one end of the threaded rod 14, and the outer wall of the threaded rod 14 is provided with a threaded sleeve 15, one side of the threaded sleeve 15 is connected to one side of the upper fixed seat 6, the fixed rod 16 is installed in the other installation cavity 5, the outer wall of the fixed rod 16 is provided with a movable sleeve 17, one end of the movable sleeve 17 is provided with a connecting block 12, one end of the connecting block 12 is connected to one side of the upper fixed seat 6, when in use, the hydraulic cylinder is placed above the lower fixed seat 4, and then the first servo motor 13 is started to drive the threaded rod 14 to rotate, thereby driving the threaded sleeve 15 to move, and then under the limit of the fixed rod 16 and the movable sleeve 17, the threaded sleeve 15 is used to drive the upper fixed seat 6 and the plastic plate 7 to move downward, and the plastic plate 7 is used to clamp and fix the hydraulic cylinder, when the plastic plate 7 is in contact with the hydraulic cylinder, the telescopic spring 10 is driven by the elastic force to drive the connecting rod 11 to contract, thereby driving the plastic plate 7 to move, and the hydraulic cylinder is buffered and protected to prevent the hydraulic cylinder from being damaged. The use of the damper 9 makes the telescopic spring 10 more stable when in use, thereby greatly improving the stability of the test bench when in use.

[0021] The moving mechanism includes a second servo motor 18, a screw rod 19, a screw sleeve 20 and a limiting structure. The second servo motor 18 is installed on one side of the test bench 1, and the screw rod 19 is installed at the middle position inside the test bench 1. The outer wall of the screw rod 19 is provided with a screw sleeve 20, and the top of the screw sleeve 20 is connected to the bottom end of the mounting plate 3. When in use, the second servo motor 18 is started to drive the screw rod 19 to rotate, thereby driving the screw sleeve 20 to move, and then under the limitation of the limiting rod 21 and the limiting sleeve 22, the screw sleeve 20 is used to drive the mounting plate 3 to move, and the clamped hydraulic cylinder can be driven to move, so that the effect is better when testing hydraulic cylinders of different lengths and different models, thereby greatly improving the practicality of the test bench when in use.

[0022] The limiting structure includes a limiting rod 21 and a limiting sleeve 22. The limiting rod 21 is installed on both sides inside the detection platform 1. The outer wall of the limiting rod 21 is provided with a limiting sleeve 22. The top end of the limiting sleeve 22 is connected to the bottom end of the mounting plate 3. The cross-section of the limiting rod 21 is smaller than the cross-section of the limiting sleeve 22. A sliding structure is formed between the limiting rod 21 and the limiting sleeve 22. When in use, the limiting rod 21 and the limiting sleeve 22 cooperate with each other to limit the mounting plate 3 when it moves, so that the mounting plate 3 is more stable when it moves.

[0023] Working principle: The staff first places the hydraulic cylinder above the lower fixed seat 4, and then starts the first servo motor 13 to drive the threaded rod 14 to rotate, thereby driving the threaded sleeve 15 to move, and then under the limit of the fixed rod 16 and the movable sleeve 17, the threaded sleeve 15 is used to drive the upper fixed seat 6 and the plastic plate 7 to move downward, and the plastic plate 7 is used to clamp and fix the hydraulic cylinder. When the plastic plate 7 contacts the hydraulic cylinder, the telescopic spring 10 is acted upon by the elastic force to drive the connecting rod 11 to contract, thereby driving the plastic plate 7 to move, and providing buffer protection for the hydraulic cylinder. To prevent the hydraulic cylinder from being damaged, the use of the damper 9 makes the telescopic spring 10 more stable when used. At this time, the hydraulic cylinder can be tested using the testing equipment. When the position of the hydraulic cylinder needs to be moved, the second servo motor 18 is started to drive the screw 19 to rotate, thereby driving the screw sleeve 20 to move, and then under the limit of the limit rod 21 and the limit sleeve 22, the screw sleeve 20 is used to drive the mounting plate 3 to move, thereby driving the hydraulic cylinder to move. After the test is completed, the first servo motor 13 is started to reverse it, driving the plastic plate 7 to move upward, and the hydraulic cylinder can be taken out at this time.

[0024] The above shows and describes the basic principles, 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 for explaining the principles of 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 claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A hydraulic cylinder factory test bench, comprising a test bench (1), characterized in that: Support legs (2) are installed at the four corners of the bottom end of the detection platform (1), a moving mechanism is arranged inside the detection platform (1), a mounting plate (3) is installed at the top end of the detection platform (1), a lower fixing seat (4) is installed at the middle position of the top end of the mounting plate (3), mounting cavities (5) are installed on both sides of the top end of the mounting plate (3), and a positioning mechanism is arranged inside the mounting cavity (5); The positioning mechanism comprises an upper fixed seat (6), a plastic plate (7), a cavity (8), a damper (9), a telescopic spring (10), a connecting rod (11) and a power structure, wherein the upper fixed seat (6) is installed on the inner side of the two installation cavities (5), a plurality of cavities (8) are installed at the bottom end of the upper fixed seat (6), a damper (9) is installed at the top end of the cavity (8), a telescopic spring (10) is provided on the outer wall of the damper (9), a connecting rod (11) is installed at the bottom end of the telescopic spring (10), and a plastic plate (7) is installed at the bottom end of the connecting rod (11).

2. The hydraulic cylinder factory test bench according to claim 1, characterized in that: The inner sides of the lower fixing seat (4) and the plastic plate (7) are both designed to be arc-shaped, and the lower fixing seat (4) and the plastic plate (7) are adapted to each other.

3. The hydraulic cylinder factory test bench according to claim 2, characterized in that: The power structure comprises a connecting block (12), a first servo motor (13), a threaded rod (14), a threaded sleeve (15), a fixed rod (16) and a movable sleeve (17); the first servo motor (13) is installed at the top of one of the installation cavities (5); the threaded rod (14) is installed inside one of the installation cavities (5); the output end of the first servo motor (13) is connected to one end of the threaded rod (14); the outer wall of the threaded rod (14) is provided with a threaded sleeve (15); one side of the threaded sleeve (15) is connected to one side of an upper fixed seat (6); the fixed rod (16) is installed inside another of the installation cavities (5); the outer wall of the fixed rod (16) is provided with a movable sleeve (17); one end of the movable sleeve (17) is provided with a connecting block (12); one end of the connecting block (12) is connected to one side of the upper fixed seat (6).

4. The hydraulic cylinder factory test bench according to claim 1, characterized in that: The moving mechanism comprises a second servo motor (18), a screw rod (19), a screw sleeve (20) and a limiting structure, wherein the second servo motor (18) is installed on one side of the detection platform (1), the screw rod (19) is installed at a middle position inside the detection platform (1), the outer side wall of the screw rod (19) is provided with a screw sleeve (20), and the top end of the screw sleeve (20) is connected to the bottom end of the mounting plate (3).

5. The hydraulic cylinder factory test bench according to claim 4, characterized in that: The limiting structure comprises a limiting rod (21) and a limiting sleeve (22); the limiting rod (21) is installed on both sides of the inside of the detection platform (1); the outer side wall of the limiting rod (21) is provided with a limiting sleeve (22); the top end of the limiting sleeve (22) is connected to the bottom end of the mounting plate (3).

6. The hydraulic cylinder factory test bench according to claim 5, characterized in that: The cross section of the limiting rod (21) is smaller than the cross section of the limiting sleeve (22), and a sliding structure is formed between the limiting rod (21) and the limiting sleeve (22).

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