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文章考虑轴向运动分析了提升绳弦段的横向非线性振动特征，讨论了跳绳事故发生的几何条件，结论指出，弦的横振动振型畸变是引发跳绳事故的主要原因．
In this paper, considering the axial movement, the transverse nonlinear vibration characteristics of the hoisting ropes are analyzed. The geometric conditions of the rope jumping accidents are discussed. The conclusion shows that the transverse vibration mode distortion of the strings is the main cause of the rope jumping accidents.