Hydraulic component load simulation test device

Abstract

The utility model relates to the technical field of hydraulic component testing devices, in particular to a hydraulic component load simulation testing device which comprises a testing table, a loading cylinder is fixedly arranged in the testing table, two placing pipes are arranged in the testing table, one side of one placing pipe is fixedly connected with one side in the testing table, and the other side of the other placing pipe is fixedly connected with the other side in the testing table. One side of one placing pipe is fixedly connected with one side of the telescopic end of the loading cylinder, one side of the other placing pipe is fixedly connected with one side of the telescopic end of the loading cylinder, the side faces of the two placing pipes are each fixedly provided with two fixing bases, and one sides of the two fixing bases are each fixedly provided with a forward and reverse rotation motor. And the tested cylinder is taken out from the left placing pipe, and the other processes are automatically carried out, so that the time and manpower consumed during the disassembly and assembly of the tested cylinder are saved, the disassembly and assembly efficiency of the tested cylinder is improved, and the test efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic component testing devices, in particular to a hydraulic component load simulation testing device. Background Art

[0002] The hydraulic cylinder is a type of hydraulic component. In order to test the load of the hydraulic cylinder, it is necessary to use a hydraulic component load simulation test device to detect the load of the hydraulic cylinder in order to accurately judge the load condition of the hydraulic cylinder.

[0003] The patent specification with announcement number CN220378615U discloses a hydraulic cylinder loading test device, including an equipment base and a loading cylinder; the two ends of the equipment base are respectively fixed with a tested cylinder mounting base and a loading cylinder mounting base; the loading cylinder is fixed on the loading cylinder mounting base, and the output end of the loading cylinder passes through the loading cylinder mounting base and is connected to a guide seat; one end of the tested cylinder is detachably connected to the tested cylinder mounting base, and the other end is detachably connected to the guide seat; the loading cylinder is coaxially arranged with the tested cylinder, and a load is applied to the tested cylinder through the loading cylinder; an oil pressure control device is provided on the loading cylinder for controlling the output pressure of the loading cylinder to simulate different loads. The utility model can simulate different load conditions through the loading cylinder, has a simple structure, and is easy to use; the force generated during the cylinder test is borne by the pull rod and the equipment base, which improves the test safety and reduces the site requirements for the test device.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned hydraulic cylinder loading test device has the following problems: when testing the tested cylinder, the device needs to pass the first pin shaft through the tested cylinder ear shaft seat, and the second pin shaft through the guide seat. In order to ensure stability, the connection between the first pin shaft and the tested cylinder ear shaft seat has a certain friction force, and the connection between the second pin shaft and the guide seat has a certain friction force, which makes the disassembly and assembly of the first pin shaft and the second pin shaft more time-consuming and labor-intensive, thereby reducing the disassembly and assembly efficiency of the tested cylinder, thereby reducing the testing efficiency of the device. In view of this, a hydraulic component load simulation test device is provided to overcome the above-mentioned defects. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a hydraulic component load simulation test device.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a hydraulic component load simulation test device, comprising a test bench, a loading cylinder is fixedly provided inside the test bench, two placement tubes are provided inside the test bench, one side of one of the placement tubes is fixedly connected to one side of the inside of the test bench, and one side of the other placement tube is fixedly connected to one side of the telescopic end of the loading cylinder, two fixing seats are fixedly provided on the sides of the two placement tubes, wherein one side of the two fixing seats is fixed with a forward and reverse motor, one end of the two forward and reverse motor drive shafts is fixed with a threaded rod, one end of the two threaded rods is respectively rotatably connected to the inside of the other two fixing seats, the sides of the two threaded rods are threadedly connected with movable rings, the sides of the two movable rings are hinged with a number of movable rods, the sides of the two placement tubes are fixed with a number of slide rails, the interiors of the several slide rails are slidably connected with sliders, one side of the several sliders are respectively hinged with one end of the several movable rods, the sides of the several sliders are fixed with support rods, one end of the several support rods is fixed with a pressure plate, and a cylinder to be tested is provided between the two placement tubes.

[0007] As a further description of the above technical solution: a number of mounting seats are fixedly provided on the sides of the two placement tubes, and the mounting seats are grouped into two. A limiting rod is fixedly provided between the two mounting seats in each group, and the sides of the limiting rods are respectively slidably connected to the inner parts of the two movable rings. The limiting rods facilitate improving the stability of the movable ring during movement.

[0008] As a further description of the above technical solution: a plurality of connecting holes are opened inside the two placement tubes, and the interiors of the plurality of connecting holes are respectively fitted with the side surfaces of a plurality of support rods, so that the support rods can easily drive the pressure plate to move.

[0009] As a further description of the above technical solution: one side of the fixed end of the measured cylinder fits with one side of the inside of one of the placement tubes, and one side of the telescopic end of the measured cylinder fits with one side of the inside of the other placement tube, and the placement tube facilitates limiting the measured cylinder.

[0010] As a further description of the above technical solution: a fan is fixedly provided at the bottom end of the interior of the test bench, and an air inlet of the fan is fixedly provided with an air inlet pipe, so that the fan can generate wind power.

[0011] As a further description of the above technical solution: the air outlet of the fan is fixedly provided with an air outlet pipe, and the top of the air outlet pipe is fixedly provided with a first diversion pipe, which facilitates diverting the wind force in the air outlet pipe to the second diversion pipe.

[0012] As a further description of the above technical solution: second diversion pipes are fixedly provided at both ends of the first diversion pipe, and a number of nozzles are fixedly provided on the sides of the two second diversion pipes, so that the second diversion pipes facilitate diverting wind power to the nozzles.

[0013] As a further description of the above technical solution: a plurality of fixing rods are fixed on the sides of the two second shunt pipes, and the bottom ends of the plurality of fixing rods are fixedly connected to the bottom end inside the test bench, so that the fixing rods can support the second shunt pipes.

[0014] The utility model has the following beneficial effects:

[0015] The utility model designs a hydraulic component load simulation test device. Through design coordination, the tested cylinder is placed between two placement tubes, and the tested cylinder is moved to the left so that one side of the fixed end of the tested cylinder fits with one side of the inside of the corresponding placement tube. The left forward and reverse motor is started, thereby driving a number of pressure plates to approach each other, so that the fixed end of the tested cylinder is fixed to the left placement tube. The telescopic end of the loading cylinder drives the right placement tube to move to the left, so that one side of the telescopic end of the tested cylinder fits with one side of the inside of the corresponding placement tube. The right forward and reverse motor is started to drive a number of pressure plates to approach each other, so that the telescopic end of the tested cylinder is fixed to the right placement tube, thereby completing The cylinder to be tested is fixed. When the test is completed, the right forward and reverse motor is started to reverse and drive several pressure plates to move away from each other, so that the telescopic end of the cylinder to be tested is released from the limit. The telescopic end of the loading cylinder drives the placement tube to move to the right. The left forward and reverse motor is started to reverse and drive several pressure plates to move away from each other, so that the fixed end of the cylinder to be tested is released from the limit. At this time, the cylinder to be tested can be taken out. When disassembling and assembling the cylinder to be tested of this device, the operator only needs to put the cylinder to be tested into the placement tube on the left and take it out of the placement tube on the left. The rest of the process is carried out automatically, thereby saving time and manpower consumed in disassembling and assembling the cylinder to be tested, thereby improving the disassembly and assembly efficiency of the cylinder to be tested, and thus improving the testing efficiency of the device;

[0016] The utility model designs a hydraulic component load simulation test device. Through design coordination, the fan draws in relatively cold air from the outside, so that the air enters the fan through the air inlet pipe, and the fan sends the air into the first diversion pipe through the air outlet pipe, and the air is diverted to two second diversion pipes through the first diversion pipe, and the air is diverted to a plurality of nozzles through the second diversion pipe, and the air is sprayed to the side of the cylinder under test through the plurality of nozzles, thereby accelerating the heat dissipation speed of the cylinder under test. The device diverts the wind force of the fan to a plurality of nozzles through the first diversion pipe and the second diversion pipe, so that the air can be blown evenly to various parts of the surface of the cylinder under test, and at the same time concentrates the wind force of the fan near the cylinder under test through the nozzle, which can avoid the wind force from escaping, thereby improving the heat dissipation effect of the cylinder under test, so that the device is convenient for accelerating the heat dissipation efficiency of the cylinder under test, reducing the cooling time of the cylinder under test, and facilitating reducing the disassembly time required after the cylinder under test test is completed, thereby further improving the testing efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the installation structure of the pressing plate of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the slide rail of the utility model;

[0020] Figure 4 This is a schematic diagram of the installation structure of the nozzle of the utility model.

[0021] Legend:

[0022] 1. Test bench; 2. Loading cylinder; 3. Placement tube; 4. Fixing seat; 5. Forward and reverse motor; 6. Threaded rod; 7. Movable ring; 8. Movable rod; 9. Slide rail; 10. Slider; 11. Support rod; 12. Pressure plate; 13. Cylinder under test; 14. Mounting seat; 15. Limit rod; 16. Fan; 17. Inlet pipe; 18. Outlet pipe; 19. First shunt pipe; 20. Second shunt pipe; 21. Nozzle; 22. Fixing rod. DETAILED DESCRIPTION

[0023] Reference Figures 1-4The utility model provides a hydraulic component load simulation test device: it includes a test bench 1, a loading cylinder 2 is fixedly provided inside the test bench 1, two placement tubes 3 are provided inside the test bench 1, one side of one placement tube 3 is fixedly connected to one side of the inside of the test bench 1, and one side of the other placement tube 3 is fixedly connected to one side of the telescopic end of the loading cylinder 2, and two fixing seats 4 are fixedly provided on the sides of the two placement tubes 3, one side of the two fixing seats 4 is fixedly provided with a forward and reverse motor 5, and the forward and reverse motor 5 is convenient for driving the threaded rod 6 to rotate, and one end of the transmission shaft of the two forward and reverse motors 5 is fixed with a threaded rod 6, and the threaded rod 6 is convenient for driving the movable ring 7 to move, and the two screw One end of the threaded rod 6 is respectively connected to the internal rotation of the other two fixed seats 4, and the sides of the two threaded rods 6 are threadedly connected with movable rings 7, which facilitate driving the movable rod 8 to move. The sides of the two movable rings 7 are hinged with several movable rods 8, and the sides of the two placement tubes 3 are fixed with several slide rails 9. The interiors of several slide rails 9 are slidably connected with sliders 10. The sliders 10 facilitate improving the stability of the support rod 11 during movement. One side of several sliders 10 is respectively hinged to one end of several movable rods 8, and the sides of several sliders 10 are fixed with support rods 11. One end of several support rods 11 is fixed with pressure plates 12. A measured cylinder 13 is provided between the two placement tubes 3.

[0024] As a further implementation plan of the above technical solution: a number of mounting seats 14 are fixedly provided on the sides of the two placement tubes 3, and the number of mounting seats 14 form a group of two. A limiting rod 15 is fixedly provided between the two mounting seats 14 in each group, and the sides of the number of limiting rods 15 are respectively slidably connected to the inside of the two movable rings 7. The limiting rods 15 facilitate improving the stability of the movable ring 7 when moving.

[0025] As a further implementation scheme of the above technical solution: a plurality of connection holes are opened inside the two placement tubes 3, and the interiors of the plurality of connection holes are respectively fitted with the side surfaces of a plurality of support rods 11, so that the support rods 11 can drive the pressure plate 12 to move.

[0026] As a further implementation plan of the above technical solution: one side of the fixed end of the measured cylinder 13 is fitted with one side of the inside of one of the placement tubes 3, and one side of the telescopic end of the measured cylinder 13 is fitted with one side of the inside of the other placement tube 3, and the placement tube 3 facilitates limiting the measured cylinder 13.

[0027] During the specific implementation: the measured cylinder 13 is placed between the two placement tubes 3, and the measured cylinder 13 is moved to the left so that one side of the fixed end of the measured cylinder 13 fits with one side of the inside of the corresponding placement tube 3, and the left forward and reverse motor 5 is started, thereby driving the corresponding threaded rod 6 to rotate, thereby driving the corresponding movable ring 7 to move, thereby driving the corresponding movable rod 8 to move, and the movable rod 8 pulls a number of sliders 10 closer to each other, thereby driving a number of support rods 11 closer to each other, thereby driving a number of pressure plates 12 closer to each other, and the fixed end of the measured cylinder 13 is squeezed by the several pressure plates 12 at the same time, so that the fixed end of the measured cylinder 13 is fixed to the left placement tube 3. At this time, hydraulic oil is injected into the loading cylinder 2, so that the telescopic end of the loading cylinder 2 drives the right The placement tube 3 moves to the left, so that one side of the telescopic end of the measured cylinder 13 fits with one side of the inside of the corresponding placement tube 3. At this time, the right forward and reverse motor 5 is started, thereby driving the corresponding threaded rod 6 to rotate, thereby driving the corresponding movable ring 7 to move, thereby driving the corresponding movable rod 8 to move, and the movable rod 8 pulls several sliders 10 closer to each other, thereby driving several support rods 11 closer to each other, thereby driving several pressure plates 12 closer to each other, and the telescopic end of the measured cylinder 13 is squeezed by the several pressure plates 12 at the same time, so that the telescopic end of the measured cylinder 13 is fixed together with the right placement tube 3, thereby completing the fixation of the measured cylinder 13. At this time, a specific thrust is applied to the measured cylinder 13 by the loading cylinder 2, and hydraulic oil is injected into the measured cylinder 13. When the measured cylinder 13 is When the thrust generated by the measuring cylinder 13 is greater than the thrust generated by the loading cylinder 2, the telescopic end of the measured cylinder 13 extends out to test the performance of the measured cylinder 13 under load. When the test is completed, the right-side forward and reverse motor 5 is started to reverse, thereby driving the corresponding threaded rod 6 to reverse, thereby driving the corresponding movable ring 7 to move in the opposite direction, thereby driving the corresponding movable rod 8 to move in the opposite direction, and the movable rod 8 pushes the sliders 10 away from each other, thereby driving the support rods 11 away from each other, thereby driving the pressure plates 12 away from each other, so that the telescopic end of the measured cylinder 13 is released from the limit, and the hydraulic oil in the measured cylinder 13 and the loading cylinder 2 is discharged, so that the telescopic end of the loading cylinder 2 drives the placement tube 3 to move to the right. The operator holds the measured cylinder 13 and starts the left-side forward and reverse motor 5 Reversal, thereby driving the corresponding threaded rod 6 to reverse, thereby driving the corresponding movable ring 7 to move in the opposite direction, thereby driving the corresponding movable rod 8 to move in the opposite direction, and the movable rod 8 pushes the plurality of sliders 10 away from each other, thereby driving the plurality of support rods 11 away from each other, thereby driving the plurality of pressure plates 12 away from each other, so that the fixed end of the measured cylinder 13 is released from the limit, and the measured cylinder 13 is moved to the right to be taken out. When the measured cylinder 13 is disassembled and assembled, the operator only needs to put the measured cylinder 13 into the left placement tube 3 and take the measured cylinder 13 out of the left placement tube 3, and the rest of the process is automatically performed, thereby saving the time and manpower consumed in the disassembly and assembly of the measured cylinder 13, thereby improving the disassembly and assembly efficiency of the measured cylinder 13, thereby improving the testing efficiency of the device.

[0028] As a further implementation scheme of the above technical solution: a fan 16 is fixedly provided at the bottom end of the interior of the test bench 1 , and an air inlet pipe 17 is fixedly provided at the air inlet of the fan 16 , so that the fan 16 is convenient for generating wind power.

[0029] As a further implementation scheme of the above technical solution: an air outlet of the fan 16 is fixedly provided with an air outlet pipe 18, and a first diversion pipe 19 is fixedly provided at the top of the air outlet pipe 18. The first diversion pipe 19 facilitates diverting the wind force in the air outlet pipe 18 to the second diversion pipe 20.

[0030] As a further implementation scheme of the above technical solution: second diversion pipes 20 are fixedly provided at both ends of the first diversion pipe 19 , and a plurality of nozzles 21 are fixedly provided on the sides of the two second diversion pipes 20 , so that the second diversion pipes 20 facilitate diverting wind power to the nozzles 21 .

[0031] As a further implementation scheme of the above technical solution: a plurality of fixing rods 22 are fixedly provided on the sides of the two second shunt pipes 20, and the bottom ends of the plurality of fixing rods 22 are fixedly connected to the bottom end inside the test bench 1, so that the fixing rods 22 facilitate supporting the second shunt pipes 20.

[0032] During specific implementation: when the tested cylinder 13 is subjected to the thrust of the loading cylinder 2, heat is easily generated, causing the tested cylinder 13 to be heated. Directly picking up the cylinder 13 may easily cause burns to the operator, and the operator needs to wait for the tested cylinder 13 to cool down, which wastes time and reduces the testing efficiency of the device. When the device is in use, when the tested cylinder 13 is tested, the fan 16 is started, and the fan 16 draws cooler air from the outside, so that the air enters the fan 16 through the air inlet pipe 17, and the fan 16 sends the air into the first diversion pipe 19 through the air outlet pipe 18. The air is diverted to the two second diversion pipes 20 through the first diversion pipe 19, and the air is diverted to several nozzles 21 through the second diversion pipe 20. Air is sprayed onto the side of the tested cylinder 13 through a plurality of nozzles 21, thereby accelerating the heat dissipation speed of the tested cylinder 13. The device diverts the wind force of the fan 16 to the plurality of nozzles 21 through the first diversion pipe 19 and the second diversion pipe 20, so that the air can be evenly blown to various parts of the surface of the tested cylinder 13. At the same time, the wind force of the fan 16 is concentrated near the tested cylinder 13 through the nozzles 21, which can avoid the wind force from escaping, thereby improving the heat dissipation effect of the tested cylinder 13, so that the device can accelerate the heat dissipation efficiency of the tested cylinder 13, reduce the cooling time of the tested cylinder 13, and reduce the disassembly time required after the test of the tested cylinder 13 is completed, thereby further improving the testing efficiency of the device.

[0033] Finally, it should be noted that the above are only preferred embodiments of the present invention and are 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 replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hydraulic component load simulation test device, comprising a test bench (1), characterized in that: The interior of the test bench (1) is fixedly provided with a loading cylinder (2), and the interior of the test bench (1) is provided with two placement tubes (3), one side of the placement tube (3) is fixedly connected to one side of the interior of the test bench (1), and one side of the other placement tube (3) is fixedly connected to one side of the telescopic end of the loading cylinder (2), and two fixing seats (4) are fixedly provided on the side surfaces of the two placement tubes (3), one side of the two fixing seats (4) is fixedly provided with a forward and reverse motor (5), one end of the transmission shaft of the two forward and reverse motors (5) is fixedly provided with a threaded rod (6), and one end of the two threaded rods (6) is respectively connected to the other two fixing seats. (4) is internally rotatably connected, the sides of the two threaded rods (6) are threadedly connected to movable rings (7), the sides of the two movable rings (7) are hinged to a plurality of movable rods (8), the sides of the two placement tubes (3) are fixed with a plurality of slide rails (9), the interiors of the plurality of slide rails (9) are slidably connected to sliders (10), one side of the plurality of sliders (10) is hinged to one end of the plurality of movable rods (8), the sides of the plurality of sliders (10) are fixed with support rods (11), one end of the plurality of support rods (11) is fixed with a pressure plate (12), and a measured cylinder (13) is provided between the two placement tubes (3).

2. A hydraulic component load simulation test device according to claim 1, characterized in that: A plurality of mounting seats (14) are fixedly provided on the sides of the two placement tubes (3), and the plurality of mounting seats (14) form a group of two. A limiting rod (15) is fixedly provided between the two mounting seats (14) in each group, and the sides of the plurality of limiting rods (15) are respectively slidably connected to the inside of the two movable rings (7).

3. The hydraulic component load simulation test device according to claim 1, characterized in that: A plurality of connection holes are provided inside the two placement tubes (3), and the interiors of the plurality of connection holes are respectively fitted with the side surfaces of the plurality of support rods (11).

4. The hydraulic component load simulation test device according to claim 1, characterized in that: One side of the fixed end of the measured cylinder (13) fits with one side of the interior of one of the placement tubes (3), and one side of the telescopic end of the measured cylinder (13) fits with one side of the interior of the other placement tube (3).

5. The hydraulic component load simulation test device according to claim 1, characterized in that: A fan (16) is fixedly provided at the bottom end of the interior of the test bench (1), and an air inlet pipe (17) is fixedly provided at the air inlet of the fan (16).

6. The hydraulic component load simulation test device according to claim 5, characterized in that: An air outlet of the fan (16) is fixedly provided with an air outlet pipe (18), and a first diversion pipe (19) is fixedly provided at the top end of the air outlet pipe (18).

7. The hydraulic component load simulation test device according to claim 6, characterized in that: Second diversion pipes (20) are fixedly provided at both ends of the first diversion pipe (19), and a plurality of nozzles (21) are fixedly provided on the sides of the two second diversion pipes (20).

8. The hydraulic component load simulation test device according to claim 7, characterized in that: A plurality of fixing rods (22) are fixedly provided on the side surfaces of the two second shunt pipes (20), and the bottom ends of the plurality of fixing rods (22) are fixedly connected to the bottom end inside the test bench (1).

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