轴用弹性挡圈临界转速计算分析

Research on critical rotation speed of elastic collar for shaft

介绍了轴用弹性挡圈使用原理及范围,分析了挡圈临界转速失效机理,建立了单一旋转离心力作用下挡圈受力模型,通过微积分对挡圈模型进行受力分析,给出了在离心力作用下,轴用弹性挡圈临界转速推导方法及计算公式。结合某型号推土机变速箱使用案例,对推导公式进行了验证,为设计及相关问题原因分析提供参考。

The working principle and application range of axial spring collar is introduced in this paper. The failure mechanism under critical rotational speed is analyzed. The force model of spring collar under single centrifugal force is established,and analyzed with calculus method. Taking this as a foundation,the derivation method and calculation formula of critical rotational speed under single centrifugal force is derived. Taking the actual application of the speed changing box of certain bulldozer as subject,the formula of allowed rotational speed and working principle of axial spring collar is presented,which provides reference for the design of axial spring collar and the analysis of related problems.