Dynamic Simulation on Flat Valve of Water Hydraulic Piston Pump 

China Mechanical Engineering ›› 2011, Vol. 22 ›› Issue (4): 443-446.

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Dynamic Simulation on Flat Valve of Water Hydraulic Piston Pump 

Huang Guoqin1;Yu Jin1;Zhu Yuquan2

1.Chongqing University,Chongqing,400030

2.Huazhong University of Science and Technology,Wuhan,430074

Online:2011-02-25 Published:2011-03-15
Supported by:
National Natural Science Foundation of China（No. 51005257）

水压柱塞泵配流阀动态特性仿真研究

黄国勤1;于今1;朱玉泉2

1.重庆大学,重庆,400030

2.华中科技大学,武汉,430074

基金资助:
国家自然科学基金资助项目(51005257)
National Natural Science Foundation of China（No. 51005257）

Abstract

Abstract:

Dynamic performance of a water hydraulic piston

pump with flat valves was analyzed.Its mathematic model was established

and the influence factors were studied by simulation. The results show that the bigger clearance volume or higher vacuum degree makes flat valve delay more serious, and reducing spring stiffness or spool quality is favorable to promote the performance of flat valve. In addition, too high rotational speed is not suitable in this kind of pump and work pressure also has influence on the opening delay to flat valve．

Key words:

water hydraulic piston pump, flat valve, dynamic simulation, delay

摘要：

针对水压柱塞泵配流阀的动态性能进行理论分析,建立了数学模型,通过仿真研究了该泵的配流特性以及影响因素。研究结果表明,余隙容积越大,吸入真空度越高,则配流阀滞后越严重;适当减小配流阀阀芯的质量,提高弹簧刚度或预压力,则有利于提升配流性能;水压泵的转速不宜过高,且工作压力对配流阀的开启滞后存在一定的影响。

关键词:

水压柱塞泵, 配流阀, 动态仿真, 滞后

CLC Number:

TH137

HUANG Guo-Qi, XU Jin, SHU Yu-Quan.

Dynamic Simulation on Flat Valve of Water Hydraulic Piston Pump 

[J]. China Mechanical Engineering, 2011, 22(4): 443-446.

黄国勤, 于今, 朱玉泉.

水压柱塞泵配流阀动态特性仿真研究

[J]. 中国机械工程, 2011, 22(4): 443-446.

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Dynamic Simulation on Flat Valve of Water Hydraulic Piston Pump 

水压柱塞泵配流阀动态特性仿真研究

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