流体机械
流體機械
류체궤계
FLUID MACHINERY
2014年
7期
19-24
,共6页
柱塞副%泄漏%润滑%油膜压力
柱塞副%洩漏%潤滑%油膜壓力
주새부%설루%윤활%유막압력
piston pairs%leakage%lubrication%oil film pressure
将轴向柱塞泵柱塞副的泄漏看做偏心圆环缝隙的流动，使用Matlab进行仿真，分析得到了柱塞副泄漏量与负载压力、配合间隙、工作转速和斜盘倾角的关系。采用有限差分法求解二维雷诺方程，该文在考虑油膜动压效应和挤压效应的条件下，得到了柱塞在缸体内的倾角、柱塞自转速度、进口压力对柱塞副油膜分布压力的影响，为提高柱塞副的效率、改善润滑、减少摩擦磨损和增加使用寿命提供了一些参考意见。
將軸嚮柱塞泵柱塞副的洩漏看做偏心圓環縫隙的流動，使用Matlab進行倣真，分析得到瞭柱塞副洩漏量與負載壓力、配閤間隙、工作轉速和斜盤傾角的關繫。採用有限差分法求解二維雷諾方程，該文在攷慮油膜動壓效應和擠壓效應的條件下，得到瞭柱塞在缸體內的傾角、柱塞自轉速度、進口壓力對柱塞副油膜分佈壓力的影響，為提高柱塞副的效率、改善潤滑、減少摩抆磨損和增加使用壽命提供瞭一些參攷意見。
장축향주새빙주새부적설루간주편심원배봉극적류동，사용Matlab진행방진，분석득도료주새부설루량여부재압력、배합간극、공작전속화사반경각적관계。채용유한차분법구해이유뢰낙방정，해문재고필유막동압효응화제압효응적조건하，득도료주새재항체내적경각、주새자전속도、진구압력대주새부유막분포압력적영향，위제고주새부적효솔、개선윤활、감소마찰마손화증가사용수명제공료일사삼고의견。
See the leakage of piston pairs of axial piston pump as eccentric annular slot flow ,simulate by using Matlab ,analyzed the relationship between piston pairs leakage and load pressure ,gap,working speed and swash plate angle .By using the finite differ-ence method to solve two-dimensional Reynolds equation .The oil film dynamic pressure and extrusion effect was considered , the effect of angle ,cylinder piston rotation speed and inlet pressure on piston oil film pressure distribution was obtained ,it were provided some suggestions to improve the efficiency of piston pairs and lubrication ,reduce friction,wear and increase the service life .
