Comprehensive performance test bed for hydraulic valve

Abstract

The utility model relates to the technical field of experiment testing, and discloses a hydraulic valve comprehensive performance test bench, which comprises a detection bench and an experiment bench shell, one outward end of the detection bench is provided with a clamping device, and the experiment bench shell is arranged on the surface of the top end of the detection bench. According to the comprehensive performance test bed for the hydraulic valve, the pipeline protection shell, the telescopic pipeline and the moving roller body are arranged, the telescopic pipeline is pulled on the surface of the moving roller body, meanwhile, the telescopic pipeline can be stretched, the telescopic pipeline is effectively prevented from being separated from a hydraulic valve clamping block, meanwhile, the telescopic pipeline can be prevented from being damaged by moving, and the working efficiency is improved. The telescopic pipeline moves on the moving roller body, so that the safety of the telescopic pipeline can be protected, the position of the telescopic pipeline can be effectively adjusted, the telescopic pipelines of different specifications can be used, and the service time of the device can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental testing, in particular to a comprehensive performance test bench for hydraulic valves. Background Art

[0002] The hydraulic valve comprehensive performance test bench is a device used to test the performance and function of hydraulic valves. It can simulate various working conditions, including working conditions under different pressures, flows and temperatures. By testing on the test bench, the sealing performance, response speed, stability and other indicators of the hydraulic valve can be evaluated to ensure the normal operation and safety of the hydraulic system.

[0003] A hydraulic valve is a device used to control the flow of fluid in a hydraulic system. They are generally used to regulate, distribute and stop the flow of fluid to achieve various functions of the hydraulic system.

[0004] The prior art discloses a hydraulic valve comprehensive performance test bench with application number: CN202221556235.5, including a test device, a protective device is fixedly connected to one side of the top of the test device, a heat dissipation device is fixedly connected to one side of the test device, and the test device includes a pressurizing device, and the front of the pressurizing device is located on one side of the control panel and is fixedly connected to a control box; the utility model is provided with a heat dissipation device, and heat is generated on the side of the pressurizing device after the device is continuously operated, and the water adder slowly drips the water therein into the water storage tank of the heat sink through the water pipe, and the surface of the heat sink is gradually soaked with water. Under the influence of heat, the water on the surface of the heat sink will evaporate into water vapor and take away the heat, and the fixed strip controls the rotation of the fan to inhale wind from the outside, so that the evaporation of water on the heat sink is accelerated and the water vapor with heat is blown out of the heat dissipation frame, so as to achieve the effect of lowering the temperature of the device.

[0005] One side of the movable clamp is fixedly connected with an air pipe, but the length of the air pipe is single. When the movable clamp is pulled, the movable clamp will pull the air pipe, which may easily cause the air pipe to detach from the movable clamp, making the air pipe unable to ventilate, thereby failing to accurately detect the hydraulic valve and obtaining accurate data. Utility Model Content

[0006] The utility model aims to provide a hydraulic valve comprehensive performance test bench to solve the problems raised in the above background technology.

[0007] To achieve the above purpose, the utility model provides the following technical solutions: a hydraulic valve comprehensive performance test bench, including a test bench and a test bench shell, a clamping device is installed at the outward end of the test bench, and the test bench shell is installed on the top surface of the test bench.

[0008] The clamping device includes an air pump, a ventilation device, a hydraulic valve clamping block, a limiting threaded rod 2 and a limiting nut. The air pump is located at the right end of the clamping device, the air pump bolt is connected to the right end of the ventilation device, the ventilation device bolt is connected to the right side surface of the hydraulic valve clamping block, the limiting threaded rod 2 is inserted into the lower end of the hydraulic valve clamping block, and the limiting nut is threadedly connected to the front end of the limiting threaded rod 2.

[0009] Preferably, the ventilation device comprises a telescopic pipe, a support assembly and a pipe protection shell, the pipe protection shell is located at the right end of the ventilation device, the pipe protection shell is movably connected to the right end of the telescopic pipe, and the pipe protection shell is installed at the upper end of the support assembly.

[0010] Preferably, the support assembly includes a metal clamping plate, a roller support frame, a connecting threaded rod, a hexagonal nut 1, a support frame body, a hexagonal nut 2 and a movable roller body, the movable roller body is located at the upper end of the support assembly, the movable roller body is installed on the upper end of the roller support frame, the connecting threaded rod is movably connected to the front end of the roller support frame, the hexagonal nut 1 is threadedly connected to the right end of the connecting threaded rod, the connecting threaded rod is movably connected to the upper end of the metal clamping plate, the metal clamping plate is movably connected to the upper end of the support frame body, and the hexagonal nut 2 is threadedly connected to the upper end of the support frame body.

[0011] Preferably, the metal clamping plate is movably connected to the upper end of the pipe protection shell, the roller support frame is movably connected to the upper end of the pipe protection shell, the hexagonal nut 2 is movably connected to the left end of the metal clamping plate, and the hexagonal nut 1 is movably connected to the lower end of the roller support frame. The support frame body is composed of a metal plate, a vertical support frame and a vertical threaded rod. The number of vertical threaded rods is five, and the five vertical threaded rods are evenly spaced. The vertical threaded rods and hexagonal nut 1 threadably fix the metal clamping plate and the vertical support frame.

[0012] Preferably, the second limiting threaded rod is movably connected to the lower section of the testing platform, the limiting nut is movably connected to the inner wall surface of the testing platform, the hydraulic valve clamping block is movably connected to the inner wall surface of the testing platform, the limiting nut is movably connected to the front end of the hydraulic valve clamping block, the number of the hydraulic valve clamping blocks is two, the two hydraulic valve clamping blocks are distributed on the left and right, and the number of the limiting nuts is eight, four limiting nuts in a group, the two groups of limiting nuts are distributed on the left and right, and the same group of limiting nuts is movably connected to the lower end of the hydraulic valve clamping block.

[0013] Preferably, the movable roller is movably connected to the upper end of the telescopic pipe, and the support frame is movably connected to the lower section of the detection platform. There are two sets of support frames, which are distributed on the left and right. The left end of the support frame is bolted to the lower end of the detection platform.

[0014] Preferably, the number of the connecting threaded rods is four, two of the connecting threaded rods form a group, the two groups of connecting threaded rods are distributed left and right, the two connecting threaded rods on the same side are distributed front and back, and the front section of the connecting threaded rods is inserted into the lower end of the roller support frame.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The hydraulic valve comprehensive performance test bench is equipped with a pipeline protection shell, a telescopic pipeline and a movable roller body, so that the telescopic pipeline can be pulled on the surface of the movable roller body and stretched at the same time, effectively preventing the telescopic pipeline from detaching from the hydraulic valve clamping block and avoiding damage to the movable telescopic pipeline, thereby accurately detecting the hydraulic valve and obtaining accurate data.

[0017] 2. The hydraulic valve comprehensive performance test bench can effectively adjust the position of the telescopic pipe by providing a support assembly, a telescopic pipe and a pipe protection shell, so that telescopic pipes of different specifications can be used, thereby increasing the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall three-dimensional schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional schematic diagram of the detection device, detection platform and control panel of the utility model;

[0020] Figure 3 It is a three-dimensional schematic diagram of the detection device of the utility model;

[0021] Figure 4 It is a three-dimensional schematic diagram of the support assembly and the movable roller body of the utility model;

[0022] Figure 5 For this utility model Figure 4 A local enlarged schematic diagram of the structure at point A in the figure.

[0023] In the figure: 1. Clamping device; 11. Air pump; 12. Ventilation device; 121. Telescopic pipe; 122. Support assembly; 1221. Metal clamping plate; 1222. Roller support frame; 1223. Connecting threaded rod; 1224. Hexagonal nut one; 1225. Support frame; 1226. Hexagonal nut two; 1227. Moving roller; 123. Pipe protection shell; 13. Hydraulic valve clamping block; 14. Limiting threaded rod two; 15. Limiting nut; 2. Laboratory bench shell; 3. Testing bench. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-5 , the utility model provides the following technical solutions:

[0026] A hydraulic valve comprehensive performance test bench comprises a test bench 3 and a test bench shell 2. A clamping device 1 is installed at an outward end of the test bench 3. The test bench shell 2 is installed on the top surface of the test bench 3.

[0027] The clamping device 1 includes an air pump 11, a ventilation device 12, a hydraulic valve clamping block 13, a limiting threaded rod 14 and a limiting nut 15. The air pump 11 is located at the right end of the clamping device 1. The air pump 11 is bolted to the right end of the ventilation device 12. The ventilation device 12 is bolted to the right side surface of the hydraulic valve clamping block 13. The limiting threaded rod 14 is inserted into the lower end of the hydraulic valve clamping block 13. The limiting threaded rod 14 is movably connected to the lower section of the detection platform 3. The limiting nut 15 is movably connected to the inner wall surface of the detection platform 3. The hydraulic valve clamping block 13 is movably connected to the inner wall surface of the testing platform 3, and the limiting nut 15 is movably connected to the front end of the hydraulic valve clamping block 13. There are two hydraulic valve clamping blocks 13, and the two hydraulic valve clamping blocks 13 are distributed on the left and right. There are eight limiting nuts 15, four limiting nuts 15 in a group, and the two groups of limiting nuts 15 are distributed on the left and right. The same group of limiting nuts 15 is movably connected to the lower end of the hydraulic valve clamping block 13, and the limiting nut 15 is threadedly connected to the front end of the limiting threaded rod 14.

[0028] The ventilation device 12 includes a telescopic pipe 121, a support assembly 122 and a pipe protection shell 123. The pipe protection shell 123 is located at the right end of the ventilation device 12. The pipe protection shell 123 is movably connected to the right end of the telescopic pipe 121. The pipe protection shell 123 is installed at the upper end of the support assembly 122.

[0029] The support assembly 122 includes a metal clamping plate 1221, a roller support frame 1222, a connecting threaded rod 1223, a hexagonal nut 1224, a support frame 1225, a hexagonal nut 1226 and a movable roller 1227. The movable roller 1227 is located at the upper end of the support assembly 122. The movable roller 1227 is installed at the upper end of the roller support frame 1222. The movable roller 1227 is movably connected to the upper end of the telescopic pipe 121. The support frame 1225 is movably connected to the detection In the lower section of the test platform 3, there are two sets of support frames 1225, which are distributed on the left and right sides. The left end support frame 1225 is bolted to the lower end of the test platform 3, and the connecting threaded rod 1223 is movably connected to the front end of the roller support frame 1222. The hexagonal nut 1224 is threadedly connected to the right end of the connecting threaded rod 1223. There are four connecting threaded rods 1223, two connecting threaded rods 1223 form a group, and the two groups of connecting threaded rods 1223 are distributed on the left and right sides. The two connecting threaded rods 1223 on the same side are distributed front and back, the front connecting threaded rod 1223 is plugged into the lower end of the roller support frame 1222, the connecting threaded rod 1223 is movably connected to the upper end of the metal clamping plate 1221, the metal clamping plate 1221 is movably connected to the upper end of the pipeline protection shell 123, the roller support frame 1222 is movably connected to the upper end of the pipeline protection shell 123, the hexagonal nut 1226 is movably connected to the left end of the metal clamping plate 1221, and the hexagonal nut 1226 is movably connected to the left end of the metal clamping plate 1221. 224 is movably connected to the lower end of the roller support frame 1222. The support frame body 1225 is composed of a metal plate, a vertical support frame and a vertical threaded rod. The number of the vertical threaded rods is five, and the five vertical threaded rods are evenly spaced. The vertical threaded rods and hexagonal nut 1224 threadably fix the metal clamping plate 1221 and the vertical support frame. The metal clamping plate 1221 is movably connected to the upper end of the support frame body 1225. The hexagonal nut 2 1226 is threadably connected to the upper end of the support frame body 1225.

[0030] When in use, the hydraulic valve clamping block 13 is pushed downward to be inserted into the inner wall surface of the testing platform 3 so that the two hydraulic valve clamping blocks 13 are distributed on the left and right.

[0031] Then, the limiting threaded rod 14 is pushed to move backward, so that the limiting threaded rod 14 is inserted into the inside of the testing platform 3 and the hydraulic valve clamping block 13, so that the position of the hydraulic valve clamping block 13 can be preliminarily determined.

[0032] Then, the telescopic pipe 121 is pushed, and the telescopic pipe 121 and the hydraulic valve clamping block 13 are fixed by bolts, so that the position of the telescopic pipe 121 can be determined.

[0033] First, push the roller support frame 1222 to move to the right, so that the lower end of the roller support frame 1222 is connected to the upper end of the pipe protection shell 123, so that the position of the roller support frame 1222 can be determined, and at the same time, the telescopic pipe 121 can move on the surface of the movable roller 1227.

[0034] Then push the metal clamping plate 1221 upward, let the metal clamping plate 1221 move upward on the surface of the pipe protection shell 123, let the top surface of the metal clamping plate 1221 and the top surface of the pipe protection shell 123 be at the same level, and at the same time, the metal clamping plate 1221 and the lower end of the roller support frame 1222 are movably connected.

[0035] Then push the support frame 1225 forward so that the support frame 1225 is located below the metal clamping plate 1221, and the bottom surface of the support frame 1225 is at the lower end of the detection table 3, and the upper ends of the metal clamping plate 1221 and the support frame 1225 are screwed and fixed.

[0036] Then push the connecting threaded rod 1223 to move to the right so that the connecting threaded rod 1223 is inserted into the front end of the metal clamping plate 1221 and the roller support frame 1222, and then use the connecting threaded rod 1223 and the hexagonal nut 1224 to thread the metal clamping plate 1221 and the roller support frame 1222 to fix the position of the roller support frame 1222 and the position of the pipe protection shell 123 at the same time.

[0037] Then, the hydraulic valve to be tested is placed between the two hydraulic valve clamping blocks 13 so that the two hydraulic valve clamping blocks 13 clamp and fix the hydraulic valve, thereby determining the position of the hydraulic valve.

[0038] Then, the limiting nut 15 is rotated, and the limiting nut 15 can threadably fix the hydraulic valve clamping block 13 and the test bench 3, so that the position of the hydraulic valve clamping block 13 can be determined.

[0039] The hydraulic valve clamping block 13 moves left and right on the inner wall surface of the detection platform 3, thereby pulling the telescopic pipe 121, and the telescopic pipe 121 begins to extend. At the same time, the telescopic pipe 121 moves on the inner wall surface of the pipe protection shell 123.

[0040] Start the air pump 11 again, the air pump 11 extracts gas from the air, and the gas enters the hydraulic valve through the telescopic pipe 121 and the hydraulic valve clamping block 13, and the hydraulic valve is in a closed device, thereby starting to perform air pressure detection on the hydraulic valve, so that the data of the hydraulic valve is displayed on the experimental bench shell 2.

[0041] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic valve comprehensive performance test bench, comprising a test bench (3) and a test bench housing (2), characterized in that: A clamping device (1) is installed at the outward end of the testing platform (3), and the test platform housing (2) is installed on the top surface of the testing platform (3); The clamping device (1) comprises an air pump (11), a ventilation device (12), a hydraulic valve clamping block (13), a second limiting threaded rod (14) and a limiting nut (15); the air pump (11) is located at the right end of the clamping device (1); the air pump (11) is bolted to the right end of the ventilation device (12); the ventilation device (12) is bolted to the right side surface of the hydraulic valve clamping block (13); the second limiting threaded rod (14) is plugged into the lower end of the hydraulic valve clamping block (13); and the limiting nut (15) is threadedly connected to the front end of the second limiting threaded rod (14).

2. A hydraulic valve comprehensive performance test bench according to claim 1, characterized in that: The ventilation device (12) comprises a telescopic pipe (121), a support assembly (122) and a pipe protection shell (123); the pipe protection shell (123) is located at the right end of the ventilation device (12); the pipe protection shell (123) is movably connected to the right end of the telescopic pipe (121); and the pipe protection shell (123) is installed at the upper end of the support assembly (122).

3. A hydraulic valve comprehensive performance test bench according to claim 2, characterized in that: The support assembly (122) comprises a metal clamping plate (1221), a roller support frame (1222), a connecting threaded rod (1223), a hexagonal nut 1 (1224), a support frame body (1225), a hexagonal nut 2 (1226) and a movable roller body (1227), wherein the movable roller body (1227) is located at the upper end of the support assembly (122), and the movable roller body (1227) is installed at the upper end of the roller support frame (1222). The threaded rod (1223) is movably connected to the front end of the roller support frame (1222); the hexagonal nut 1 (1224) is threadedly connected to the right end of the connecting threaded rod (1223); the connecting threaded rod (1223) is movably connected to the upper end of the metal clamping plate (1221); the metal clamping plate (1221) is movably connected to the upper end of the support frame (1225); and the hexagonal nut 2 (1226) is threadedly connected to the upper end of the support frame (1225).

4. A hydraulic valve comprehensive performance test bench according to claim 3, characterized in that: The metal clamping plate (1221) is movably connected to the upper end of the pipeline protection shell (123), the roller support frame (1222) is movably connected to the upper end of the pipeline protection shell (123), the hexagonal nut 2 (1226) is movably connected to the left end of the metal clamping plate (1221), and the hexagonal nut 1 (1224) is movably connected to the lower end of the roller support frame (1222).

5. The hydraulic valve comprehensive performance test bench according to claim 4 is characterized by: The second limiting threaded rod (14) is movably connected to the lower section of the detection platform (3), the limiting nut (15) is movably connected to the inner wall surface of the detection platform (3), and the hydraulic valve clamping block (13) is movably connected to the inner wall surface of the detection platform (3).

6. A hydraulic valve comprehensive performance test bench according to claim 5, characterized in that: The movable roller body (1227) is movably connected to the upper end of the telescopic pipe (121), and the supporting frame body (1225) is movably connected to the lower section of the detection platform (3).

7. A hydraulic valve comprehensive performance test bench according to claim 6, characterized in that: The number of the connecting threaded rods (1223) is four, two of the connecting threaded rods (1223) form a group, the two groups of the connecting threaded rods (1223) are distributed left and right, and the two connecting threaded rods (1223) on the same side are distributed front and back, and the front section of the connecting threaded rods (1223) is plugged into the lower end of the roller support frame (1222).

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