Multi-working-condition comprehensive simulation test system for reciprocating seal of aviation actuator
A simulation test system and actuator technology, applied in fluid pressure actuation system testing, fluid pressure actuation devices, mechanical equipment, etc., can solve problems such as one-sided research and lack of comprehensive simulation of aviation actuators, and achieve improved Effects of longevity and reliability, accurate testing, and smooth operation
Active Publication Date: 2016-06-15
ZHEJIANG UNIV
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[0003] The working conditions of aviation actuators mainly include: high pressure, wide temperature (-55 ~ 135 ℃), variable speed and frequent airborne vibration. Waves and other forms, the existing simulation test system for reciprocating sealing conditions of a...
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[0031] The present invention will be further described below in conjunction with the drawings and specific embodiments.
[0032] As attached figure 1 As shown, the present invention includes a test actuator 100, a reciprocating drive loading system 200 connected to the piston rod 120 of the test actuator 100, and a hydraulic system 300. The test system of the present invention can comprehensively simulate the high pressure of the aviation actuator from 0 to 35 MPa , Complicated working conditions with wide temperature (-55~135℃), variable speed and on-board vibration 0~40g, and each working condition does not affect each other and can be loaded at the same time.
[0033] As attached Figure 2 ~ Figure 4 As shown, the test actuator 100 includes an end cover 110, a piston rod 120, and a cylinder block 150. Both ends of the cylinder block 150 are provided with end covers 110. There is no piston in the cylinder block 150. The cavity is connected to form a single cavity. The side of the...
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The invention discloses a multi-working-condition comprehensive simulation test system for reciprocating seal of an aviation actuator. The multi-working-condition comprehensive simulation test system comprises a test actuator, a reciprocating driving loading system and a hydraulic system, wherein the reciprocating driving loading system is connected with a piston rod of the test actuator; the hydraulic system is connected to an oil inlet/outlet of a cylinder body; the test actuator comprises an end cover, the piston rod and the cylinder body; the reciprocating driving loading system comprises an electric cylinder, a transmission shaft, a transmission vibration isolating device, a force sensor and an LVDT sensor, and the transmission shaft is connected with the force sensor through the transmission vibration isolating device; and the hydraulic system comprises a pump source module, a pressurization module, a pressure maintaining module and a pipeline heater. By using the multi-working-condition comprehensive simulation test system, multi-working-condition comprehensive conditions such as high pressure, wide temperature range, variable speed and airborne vibration of the aviation actuator can be effectively simulated, and the friction force character of multi-type shaft seal of single piston rod and the leakage rate obtained after repeated reciprocation can be accurately measured under various working conditions; and the multi-working-condition comprehensive simulation test system has the characteristics of convenience in use, operation stability, test accuracy, long service life and the like.
Description
Technical field [0001] The invention belongs to the technical field of aviation hydraulic reciprocating seals, and specifically relates to a multi-working condition comprehensive simulation test system for reciprocating seals of aviation actuators, which is used to test the performance of reciprocating seals of aviation actuators. Background technique [0002] In recent years, with the rise of major aviation projects in my country, related supporting research and test work has begun to start one after another. Aviation actuators are the main actuators in large aviation, and their reciprocating sealing performance is directly related to aviation reliability. In order to better study the reciprocating sealing performance of aviation actuators and establish related test standards, it is urgent to develop a test system that can simulate the real working conditions of aviation actuators. [0003] The working conditions of aviation actuators mainly include: high pressure, wide temperatur...
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Login to view more IPC IPC(8): F15B19/00
CPCF15B19/007
Inventor 欧阳小平库后涛彭超陈颖杨华勇
Owner ZHEJIANG UNIV
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