基于曲柄摇杆机构效率分析的轴承寿命试验机电机选型

柳长进,马继业,赵栋杰,张慧,李洪凯

Motor selection for bearing life testing machine based on efficiency analysis of crank-rocker mechanism

Changjin LIU,Jiye MA,Dongjie ZHAO,Hui ZHANG,Hongkai LI

表2 轴承寿命试验机各部件的转动惯量

Table 2 Moment of inertia of each component in bearing life testing machine

部件 质量/kg 半径或杆长/m 转动惯量/(kg·m2) 输入转轴 3.47 0.015 0.000 390 375 输出转轴 4.89 0.015 0.000 550 125 测试转轴 8.32 0.025 0.002 600 000 曲柄 2.08 0.100 0.006 933 333 摇杆 2.97 0.270 0.072 171 000 连杆 4.35 0.320 0.148 480 000