基于多泵联合的径向柱塞泵流量脉动优化方法  

Optimization method of radial piston pump flow pulsation based on multiple pump joint

作　　者：张扬帆[1] 杜荣华[1] 付俊庆[1] 

机构地区：[1]长沙理工大学汽车与机械工程学院,湖南长沙410004

出　　处：《长沙理工大学学报（自然科学版）》2016年第2期80-85,共6页Journal of Changsha University of Science and Technology:Natural Science

基　　金：国家自然科学基金资助项目(11272067);长沙理工大学汽车与机械工程学院研究生科学基金项目(12QJY03)

摘　　要：针对径向柱塞泵在工作中输出油液存在的固有流量脉动,介绍了一种对径向柱塞泵流量脉动进行优化的新思路,提出了一种多泵并联减小径向柱塞泵流量脉动降低液压系统噪音的新方法。通过对径向柱塞泵以及奇奇并联和偶偶并联情况下瞬时流量、脉动率的计算,推导出最佳的错位并联角度,最后在MATLAB环境下构建径向柱塞泵以及双泵并联情况下瞬时流量模型进行动态仿真。仿真结果表明,双泵在错位并联的情况下输出油液的脉动率仅为单泵的1/4,显示了该方法在减小径向柱塞泵流量脉动方面的可行性和有效性。Considering the inherent flow pulsation of the radial piston pump in the work, a new thought of reducing the flow pulsation and a new method to reduce the noise of hydrau- lic system are introduced. Based on the measuring the instantaneous flow and fluctuation rate under the condition of radial-plunger pump, the parallel of odd and even, the best angel of paralleling with stagger phase is developed. Finally, a transient flow model of radial piston pump and two parallel pumps under the condition of dynamic simulation are built in the MATLAB environment. Simulation results show that the pulsation of double pump output oil is 1/4 of the single pump and this method is practical and effective in reducing the flow of radial-plunger pump.

关 键 词：径向柱塞泵流量脉动 双泵并联 主动抑制 瞬时流量 

分 类 号：TH137.51[机械工程—机械制造及自动化]