共轨转子泵柱塞偶件受力分析

在对共轨转子泵的研发过程中,发现其柱塞轴线与凸轮轴回转中心的偏心距对于柱塞的受力有一定影响,运用Pro/E和ADAMS软件对转子泵建模,分析不同转向、不同偏心位置对柱塞危险截面受力的影响,结果表明,在模拟的7种情况中,不同偏心距离下,只要外界条件一致,柱塞受力基本变化不大,但随着偏心距离不同及转向不同,所受到弯曲力矩有所不同,造成最大拉、压应力不同。7种情况下,以偏心距离为1mm时应力最小,为供油泵的设计提供了参考。

Stress Analysis of Radial Piston for Common-rail Rolling Pump

Among the research of the common-rail rolling pump,it was found that the force piston bearing was influenced by the eccentricity between rotation axis of the cam shaft and the axis of the piston.Considering the example of a particular two radial piston pump,Pro/E and ADAMS were used to analyze the impact of fatigue of the radial piston pump critical section with different pump turning direction or eccentricity of rotation,which shed some light on the design of pump.The result showed that only bending moment changed with different eccentricities and the minimum happened while the eccentricity was 1 mm.