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High-pressure fluid pulsation control test platform

A test platform, high-pressure fluid technology, applied in the direction of fluid dynamics test, fluid pressure actuation device, fluid pressure actuation system components, etc., can solve problems such as fatigue damage of hydraulic system, and achieve compact structure and pressure pulsation attenuation effect. Excellent and good pulsation attenuation effect

Active Publication Date: 2020-11-17
YANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of the prior art, provide a high-pressure fluid pulsation control test platform, overcome the fatigue damage of the hydraulic system caused by the high-pressure pulsation, and improve the stability of the device operation

Method used

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  • High-pressure fluid pulsation control test platform

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Embodiment Construction

[0023] Such as Figure 1-2 A high-pressure fluid pulsation control test platform shown includes a test bench, a servo motor 10, a torque sensor 7 and an axial piston pump 4. The test bench includes a table top 3 and a test bench support 1, and also includes a fluid pulsation control device 12, The test bench bracket 1 is fixed to the table top 3 by screws. There are multiple fixing holes on the table top 3. The bracket connector 2 is provided on the test bracket. The bracket connector 2 is provided with a keyway. The bracket connector 2 and the test bench bracket 1 adopt The bolts are fixed; the servo motor 10, the torque sensor 7 and the axial piston pump 4 are arranged and fixed on the test bench in sequence, the servo motor 10 is fixed on the test bench through the servo motor connecting plate 11 and screws, the servo motor 10 and the servo motor connecting plate The screw holes on the four corners of 11 are fixedly connected by screws, and the bottom of the servo motor con...

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Abstract

The invention discloses a high-pressure fluid pulsation control test platform, which comprises a test bed, a servo motor, a torque sensor, an axial plunger pump and a fluid pulsation control device; the servo motor, the torque sensor and the axial plunger pump are sequentially arranged, and the servo motor is connected with the torque sensor through a transmission shaft; the torque sensor is connected with the axial plunger pump through a transmission shaft, the high-pressure output end of the axial plunger pump is connected with the input end of the fluid pulsation control device through a pulsation high-pressure pipeline, the output end of the fluid pulsation control device is connected with the input end of the stable high-pressure pipeline, and the output end of the stable high-pressure pipeline is connected with a load. A front pressure transmitter is arranged on the pulsating high-pressure pipeline, a rear pressure transmitter is arranged on the stable high-pressure pipeline, andthe front pressure transmitter and the rear pressure transmitter are both electrically connected with the data acquisition instrument. By means of the impedance composite principle, the problems of fatigue damage of high-pressure pulsation to a hydraulic system and the like can be solved, and the operation stability of the device is improved.

Description

technical field [0001] The invention relates to a control test platform, in particular to a high-pressure fluid pulsation control test platform. Background technique [0002] The document "Fuel Tank Noise Measurement Drive Test Bench (CN201710689903.9)" discloses a fuel tank slosh noise measurement drive test rig. This invention can effectively measure liquid sloshing noise, but the vibration noise is in a low-pressure state. High-pressure fluids are widely used in hydraulic transmission fields such as flight control systems, underwater vehicles, excavator actuator drive systems, diesel engine fuel injection systems, and fuel cell hydrogen storage devices. As the power density requirements continue to increase, so does the pressure on hydraulic systems. The impact of high-pressure fluid, especially high-pressure pulsating fluid, on the pipeline will cause vibration, noise, fatigue damage, and affect the safety and reliability of the system. [0003] Conventional fluid puls...

Claims

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Application Information

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IPC IPC(8): G01M10/00F15B21/00F16L55/04
CPCG01M10/00F15B21/008F16L55/041
Inventor 关栋潘必宇李竞张纯周竹馨范远东姚乐凯沈辉龚俊杰
Owner YANGZHOU UNIV
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