High-load simulation test platform for oil cylinder

Abstract

The utility model discloses an oil cylinder high-load simulation test platform which comprises a test rack, an oil tank is arranged on one side of the test rack, an oil outlet pipe and an oil inlet pipe are arranged on the oil tank, gears are rotationally connected to the inner side of the test rack, the gears are distributed in a bilateral symmetry mode relative to the bisector of the test rack, and one end of the test rack is fixedly connected with a driving motor. A shaft of the driving motor is connected with one end of a gear, the outer wall of the gear is sleeved with a chain, the top of the chain is fixedly connected with a fixing frame, the two ends of the fixing frame are fixedly connected with clamping electric cylinders, one end of each clamping electric cylinder is connected with a clamping block, a supporting pad is arranged at the bottom of the fixing frame, and the supporting pad and the clamping block are each of an arc-shaped structure. Protruding structures are arranged at the two ends of the fixing frame, sliding grooves are formed in the inner wall of the test frame, the protruding structures are inserted into the sliding grooves, and clamping blocks are movably connected to the inner side of the fixing frame. The device can ensure the stability of the oil cylinder in the test process, so that the safety of the oil cylinder in the high-load test process is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of oil cylinders, in particular to a high-load simulation test platform for oil cylinders. Background Art

[0002] An oil cylinder is a hydraulic cylinder. A hydraulic cylinder is a linear motion actuator whose output force is proportional to the effective area of ​​the piston and the pressure difference on both sides. Its function is to convert hydraulic energy into mechanical energy. The input of the hydraulic cylinder is the flow rate and pressure of the fluid, and the output is the linear motion speed and force.

[0003] The oil cylinder needs to undergo a high-load test before leaving the factory. During the test, the oil cylinder is usually placed on a test bench, and the oil inlet and outlet pipes of the high-load test are connected to the oil inlet and outlet of the oil cylinder respectively for testing. During the test, the oil cylinder is directly placed on the test bench, which can easily cause instability of the oil cylinder during the process of inputting hydraulic oil, posing a safety hazard, so improvements are needed. Utility Model Content

[0004] The utility model aims to provide a high-load simulation test platform for an oil cylinder, so as to solve the problem of instability of the oil cylinder directly placed on the test platform proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-load simulation test platform for an oil cylinder, comprising a test frame, an oil tank is arranged on one side of the test frame, an oil outlet pipe and an oil inlet pipe are arranged on the oil tank, a gear is rotatably connected to the inner side of the test frame, the gears are symmetrically distributed about the bisector of the test frame, a drive motor is fixedly connected to one end of the test frame, the shaft of the drive motor is connected to one end of the gear, a chain is sleeved on the outer wall of the gear, a fixed frame is fixedly connected to the top of the chain, and a clamp is movably connected to the inner side of the fixed frame.

[0006] Preferably, both ends of the fixing frame are fixedly connected with a clamping electric cylinder, one end of the clamping electric cylinder is connected to a clamping block, a support pad is provided at the bottom of the fixing frame, and both the support pad and the clamping block are arc-shaped structures.

[0007] Preferably, both ends of the fixing frame are provided with protruding structures, the inner wall of the test frame is provided with a sliding groove, the protruding structure is inserted in the sliding groove, and the fixing frame and the test frame form a sliding connection.

[0008] Preferably, a collecting bucket is fixedly connected to the inner side of the test frame, and the collecting bucket is located at the bottom of the chain.

[0009] Preferably, a filter screen is provided inside the collecting bucket, and an output pipe is connected to the bottom of the collecting bucket.

[0010] Preferably, both the oil outlet pipe and the oil inlet pipe are provided with high-pressure ball valves, and the oil outlet pipe is also provided with a pressure gauge.

[0011] Preferably, an oil pump is also provided on the oil inlet pipe, and one end of the oil outlet pipe and the oil inlet pipe correspond to the oil outlet and the oil inlet positions of the oil cylinder respectively.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) This device can ensure the stability of the cylinder during the test, thereby ensuring the safety of the cylinder during high-load tests.

[0014] (2) This device sets a fixed frame on the top of the test frame and sets an automatic clamping block inside the fixed frame, so that the cylinder can be clamped inside the fixed frame, thereby ensuring the stability of the oil pipe during the test.

[0015] (3) This device sets an automatically rotating chain on the inner side of the test frame and fixes the fixed frame on the top of the chain, so that the fixed frame and the cylinder on the fixed frame can be driven to move during the movement of the chain, thereby facilitating the movement of the cylinder to the loading and unloading area, thereby improving the efficiency of loading and unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a hydraulic cylinder high-load simulation test platform of the utility model;

[0017] Figure 2 This is a left view of a hydraulic cylinder high-load simulation test platform of the utility model;

[0018] Figure 3 This is a rear view of the connection between the chain and the fixing frame of the oil cylinder high-load simulation test platform of the utility model.

[0019] In the figure: 1. test frame; 2. fixing frame; 3. clamping electric cylinder; 4. oil outlet pipe; 5. high-pressure ball valve; 6. pressure gauge; 7. oil inlet pipe; 8. oil tank; 9. oil pump; 10. driving motor; 11. clamping block; 12. supporting pad; 13. chain; 14. gear; 15. collecting bucket; 16. filter screen; 17. output pipe. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-3The utility model provides a technical solution: a high-load simulation test platform for oil cylinders, including a test frame 1, a fuel tank 8 is arranged on one side of the test frame 1, an oil outlet pipe 4 and an oil inlet pipe 7 are arranged on the fuel tank 8, a high-pressure ball valve 5 is arranged on the oil outlet pipe 4 and the oil inlet pipe 7, and a pressure gauge 6 is also arranged on the oil outlet pipe 4; an oil pump 9 is also arranged on the oil inlet pipe 7, and one end of the oil outlet pipe 4 and the oil inlet pipe 7 correspond to the oil outlet and oil inlet positions of the oil cylinder respectively; the oil outlet pipe 4 and the oil inlet pipe 7 of this structure are both threadedly connected to the oil outlet and oil inlet of the oil cylinder; during the test, the device can pass high-pressure oil through the oil pump 9 The oil is input into the oil cylinder through the oil inlet pipe 7, and the high-pressure ball valve 5 is closed at the same time, a high-pressure load is formed inside the oil cylinder, and the pressure gauge 6 can monitor the pressure. This test is called a load test. The load test is a prior art, so it will not be described in detail here. The inner side of the test frame 1 is rotatably connected to a gear 14, and the gear 14 is symmetrically distributed about the bisector of the test frame 1. One end of the test frame 1 is fixedly connected to a drive motor 10, and the shaft of the drive motor 10 is connected to one end of the gear 14. The outer wall of the gear 14 is provided with a chain 13, and the top of the chain 13 is fixedly connected to a fixed frame 2, and both ends of the fixed frame 2 are fixed. The fixed frame 2 is connected with a clamping electric cylinder 3, one end of which is connected to a clamping block 11, and a support pad 12 is provided at the bottom of the fixed frame 2, and both the support pad 12 and the clamping block 11 are arc-shaped structures; this structure can support the bottom of the oil cylinder through the support pad 12; the oil cylinder can be clamped and fixed by the clamping block 11 to ensure the stability of the oil cylinder during the test; both ends of the fixed frame 2 are provided with a protruding structure, and a sliding groove is opened on the inner wall of the test frame 1, and the protruding structure is inserted in the sliding groove, and the fixed frame 2 and the test frame 1 form a sliding connection; this structure can ensure the stability of the fixed frame 2 and the oil cylinder during the movement; the test A collecting bucket 15 is fixedly connected to the inner side of the frame 1, and the collecting bucket 15 is located at the bottom of the chain 13; this structure can collect dripping hydraulic oil through the collecting bucket 15; a filter screen 16 is arranged on the inner side of the collecting bucket 15, and an output pipe 17 is connected to the bottom of the collecting bucket 15; this structure can intercept impurities in the hydraulic oil through the filter screen 16 to facilitate the collection and subsequent treatment of the hydraulic oil; a clamping block 11 is movably connected to the inner side of the fixed frame 2; the gear 14 can be driven to rotate by the driving motor 10, and the gear 14 can drive the chain 13 to move during the rotation process, and the chain 13 is meshed with the gear 14.

[0022] Working principle: When using the high-load simulation test platform for the cylinder, first drive the motor 10 to drive the gear 14 to rotate, so that the gear 14 drives the chain 13 and the fixed frame 2 to move to one side of the test frame 1 to fix the cylinder. When fixing the cylinder, place the cylinder on the support pad 12 on the inner side of the fixed frame 2, and then clamp the electric cylinder 3 to push the clamping block 11 to clamp and fix the cylinder. After the cylinder is fixed, drive the motor 10 to reversely drive the chain 13, the fixed frame 2 and the cylinder to move to the other side to the test position, and then connect the oil outlet pipe 4 and the oil inlet pipe 7 of the oil tank 8 to the oil outlet and the oil inlet of the cylinder respectively, and then carry out the test. When the test is completed, part of the hydraulic oil will drip during the process of disassembling the oil outlet pipe 4 and the oil inlet pipe 7, and will be discharged and collected from the output pipe 17 along the collection bucket 15 through the filter screen 16. Finally, the chain 13 continues to move and moves to the other side of the test frame 1 to disassemble the cylinder.

[0023] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. A hydraulic cylinder high-load simulation test platform, comprising a test frame (1), a fuel tank (8) being arranged on one side of the test frame (1), a fuel outlet pipe (4) and a fuel inlet pipe (7) being arranged on the fuel tank (8), characterized in that: The test frame (1) is rotatably connected to a gear (14) on the inside, and the gears (14) are symmetrically distributed about the bisector of the test frame (1). One end of the test frame (1) is fixedly connected to a drive motor (10), and the shaft of the drive motor (10) is connected to one end of the gear (14). A chain (13) is sleeved on the outer wall of the gear (14), and the top of the chain (13) is fixedly connected to a fixed frame (2), and a clamping block (11) is movably connected to the inside of the fixed frame (2).

2. The oil cylinder high load simulation test platform according to claim 1, characterized in that: Both ends of the fixing frame (2) are fixedly connected to a clamping electric cylinder (3), one end of the clamping electric cylinder (3) is connected to a clamping block (11), and a support pad (12) is provided at the bottom of the fixing frame (2), and both the support pad (12) and the clamping block (11) are arc-shaped structures.

3. The oil cylinder high load simulation test platform according to claim 1, characterized in that: Both ends of the fixing frame (2) are provided with protruding structures, the inner wall of the test frame (1) is provided with a sliding groove, the protruding structure is inserted into the sliding groove, and the fixing frame (2) and the test frame (1) are slidably connected.

4. The oil cylinder high load simulation test platform according to claim 1, characterized in that: A collecting bucket (15) is fixedly connected to the inner side of the test frame (1), and the collecting bucket (15) is located at the bottom of the chain (13).

5. The oil cylinder high load simulation test platform according to claim 4, characterized in that: A filter screen (16) is arranged inside the collecting bucket (15), and an output pipe (17) is connected to the bottom of the collecting bucket (15).

6. The oil cylinder high load simulation test platform according to claim 1, characterized in that: The oil outlet pipe (4) and the oil inlet pipe (7) are both provided with a high-pressure ball valve (5), and the oil outlet pipe (4) is also provided with a pressure gauge (6).

7. The oil cylinder high load simulation test platform according to claim 1, characterized in that: An oil pump (9) is also provided on the oil inlet pipe (7), and one end of the oil outlet pipe (4) and the oil inlet pipe (7) correspond to the oil outlet and oil inlet positions of the oil cylinder respectively.

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