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本文对多节十字轴万向节传动轴的扭转振动进行了计算分析,用渐近法探讨了结构和几何参数对扭振动力放大系数如主、从动传动件旋转非等速性的影响,进而提出了为减小动力放大系数和降低旋转的非等速性而合理选择传动件刚度、转动惯量、轴间夹角及十字轴转角相位差等的方法。按此方法设计传动轴可减轻扭振和避免共振,文中举出实例进行设计计算示范。
In this paper, the torsional vibration of a multi-section cross-shaft universal joint transmission shaft is calculated and analyzed. The asymptotic method is used to investigate the influence of structural and geometric parameters on the non-isokinetic rotation of the torsional vibration power amplification coefficient such as the main and driven transmission parts. In order to reduce the power amplification factor and reduce the non-isokinetic rotation, a reasonable choice of transmission stiffness, moment of inertia, angle between axes and phase angle of the cross shaft is proposed. According to this method, the transmission shaft can be designed to reduce the torsional vibration and avoid resonance. In this paper, examples are given to calculate and demonstrate the design.