基于有限元法的柱塞泵曲轴疲劳强度分析

该文基于有限元分析方法,将曲轴划分为89个形状规则的组成部分,创建了72个用于施加连杆力载荷的工作坐标。在设计工况(柱塞推力6500kg)下,对曲轴按照每隔15°一个角度工况,共24个不同角度上的工作载荷情况进行静力有限元分析,共得到24种工况的应力场及应力强度。对曲柄销与曲柄过渡的圆角面进行了详细的疲劳强度分析,并对安全系数最小节点的应力值变化规律进行了描述。

Fatigue Analysis for Crankshaft of Plunger Pump Based on FEM

Based on the method of Finite Element Analysis,the shaft is divided to 89parts,72 work coordinates are created to apply the force loads.On the design condition(plunger piston force 6500kg),the static structure analysis is taken at 24 angle conditions,the angle condition is set by dividing the rotation angle of the shaft to 15o for every other angle condition.Stress field and intensity of 24 different conditions are obtained,which help to analyze the fatigue intensity of the circular surface which is between...