Investigation on structural optimization of anti-overturning slipper of axial piston pump  

作　　者：XU Bing ZHANG JunHui YANG HuaYong 

机构地区：[1]State Key Laboratory of Fluid Power Transmission and Control,Zhejiang University,Hangzhou 310027,China

出　　处：《Science China(Technological Sciences)》2012年第11期3010-3018,共9页中国科学（技术科学英文版）

基　　金：supported by the National Natural Science Foundation of China (Grant No. 51075360);the National Key Technology R&D Program of the Twelfth Five-year Plan of China (Grant No. 2011BAF09B03);the Fundamental Research Funds for the Central Universities

摘　　要：Improving the carrying ability of oil film between slipper and swash plate and reducing the partial abrasion of slipper are important to improve the service life and reliability of axial piston pump.In this paper,a numerical simulation model was developed for slipper/swash-plate friction pair based on the elastohydrodynamic theory.The dynamic micro-motion and pressure distribution of slipper were analyzed and it was pointed out that the tilt of slipper was the main reason for its partial abrasion.The simulations about the slippers with different slopes on the outer edge of the sealing belt showed that the partial abrasion could reduce the carrying ability and increase the leakage of the slipper/swash-plate pair.The proper slope on the inner edge helped to improve the carrying ability and reduce the leakage of slipper.The experimental tests were in accord with the simulation results to a great extent,showing that the simulation model had a high accuracy and could be applied to the design and optimization of slipper,and that the slipper with optimal inner slope provided an encouraging method to improve the efficiency and reliability of axial piston pump.

关 键 词：axial piston pump slipper ANTI-OVERTURNING partial abrasion 

分 类 号：TH137.51[机械工程—机械制造及自动化] TS943.727[轻工技术与工程—服装设计与工程]