高压大流量快开阀仿真及实验研究

摘要/Abstract

摘要： 为解决大吨位高速液压冲击试验机所需超大流量快开阀的问题，设计了一种高压超大流量快开阀的新型结构。建立了阀开启过程的数学模型，采用MATLAB Simulink对阀芯打开过程进行仿真研究，根据仿真结果优化了密封保护套结构；建立了AMESim模型，得到阀开启的动态响应曲线；根据仿真结果研发试制了快开阀，并对样件进行了实验研究。实验结果表明，当快开阀进出口压差为15MPa时，通过该阀的流量可达48 254L/min，理论分析与实验结果基本相符，快开阀结构可行。

关键词: 快开阀, 超大流量, 动态响应, 仿真, 实验研究

Abstract: In order to solve the problems of large flow quick opening valves for large-tonnage high-speed hydraulic impact testers, a new structure of high pressure large flow quick open valve was put forward. An opening process mathematical model of the valve was established, and the opening processes of valve core were simulated by MATLAB Simulink. Sealing sleeve structure was optimized according to the simulation results. Dynamic response curves were simulated by AMESim model. On the basis of simulation results, the quick opening valves were processed. By the test results，the flow rate of valve is as 48 254L/min when the import and export differential pressures is 15MPa. Theoretical analysis and experimental results are consistent，and the structure of valve is feasible.

Key words: quick opening valve, large flow, dynamic response, simulation, experimental

中图分类号:

TH137.52

王洁;张建卓;刘凌威. 高压大流量快开阀仿真及实验研究[J]. 中国机械工程.

WANG Jie;ZHANG Jianzhuo;LIU Lingwei;. Simulation and Experimental Study of High Pressure and Large Flow Quick Opening Valves[J]. China Mechanical Engineering.

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