轴向柱塞泵配流副短阻尼孔效应研究  

Restriction Orifice Effect in Port Plate Pair of Axial Piston Pump

作　　者：胡纪滨[1] 邹云飞[1] 杜玖玉[1] 

机构地区：[1]北京理工大学车辆传动国家重点实验室,北京100081

出　　处：《润滑与密封》2009年第3期20-23,31,共5页Lubrication Engineering

基　　金：国防基础科研十五项目;车辆传动国家重点实验室基金项目(9140C3402060803)

摘　　要：在间隙径向压力对数分布的条件下,进行了短阻尼孔型配流副静压支承的受力分析,得出了油膜厚度是工作压力、结构系数及油液粘度的函数;建立了配流副静压支承在突变载荷下的动态方程和模型,对静压支承的动态特性进行了仿真研究,仿真结果表明短阻尼孔型配流副静压支承具有较好的动态特性,且油膜厚度能在很短时间内恢复到平衡位置,具有很小的超调量。The force of hydraulic static bearing using restriction orifice was analyzed in condition of the logarithmic pressure distribution. The result shows that the axial clearance is a function of operation pressure of ball piston pump, configuration coefficient and oil viscosity. The dynamic equation and model of hydraulic static bearing in abruptly variable load were established, the dynamic characteristics of hydraulic static bearing were investigated. The results show that the dynamic characteristic of hydraulic static bearing using restriction orifice is better and the axial clearance comes back to the balancing position with little time and overshoot.

关 键 词：配流副 静压支承 油膜厚度 动态特性 

分 类 号：TH137.51[机械工程—机械制造及自动化]