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首页> 外文期刊>Proceedings of the institution of mechanical engineers >Numerical analysis on dynamic properties of tripod sliding universal joints
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Numerical analysis on dynamic properties of tripod sliding universal joints

机译：三脚架滑动万向节动力特性数值分析

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摘要

In order to understand the dynamics of the tripod sliding universal joint, its dynamic equations were established and then the effects of the joint angle, the rotating radius and mass of the slide rods, the lengths of the input and output shafts and the frequency of the input shaft on its dynamics were investigated. The increase in the mass or rotating radius of the slide rods enhances the amplitudes of all dynamic curves and so does the frequency of the input shaft. Increasing length of the output shaft weakens the amplitudes of the forces and torques at the revolute and spherical pairs as well as the amplitude of the load torque but this length hardly affects the amplitudes of the forces at the tripod arm and the holes of the input shaft. The forces at the holes of the input shaft hardly depend on the joint angle whereas the amplitudes of the remaining dynamic curves increase with the increase of the joint angle. The amplitudes of two torques of the revolute pair increase with increasing length of the input shaft but the remaining forces (torques) are almost independent of its length.
机译：为了了解三脚架滑动万向节的动力学特性，建立了它的动力学方程，然后研究了关节角度，滑动杆的旋转半径和质量，输入和输出轴的长度以及频率的影响。对输入轴的动力学进行了研究。滑杆的质量或旋转半径的增加会增加所有动态曲线的振幅，输入轴的频率也会增加。输出轴长度的增加会削弱旋转和球面副上的力和扭矩的幅度以及负载扭矩的幅度，但是此长度几乎不会影响三脚架臂和输入轴孔上的力的幅度。输入轴孔处的力几乎不依赖于关节角度，而其余动态曲线的幅度则随着关节角度的增加而增加。旋转对的两个转矩的幅度随输入轴长度的增加而增加，但其余的力（转矩）几乎与输入轴的长度无关。

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