Dynamic characteristics analysis of grazing impact of gear-bearing transmission system

被引：0
|
作者：
Gao J. [1 ]
Cui B. [1 ]
Ding S. [1 ]
Yang L. [2 ]
机构：
[1] School of Mechanical and Power Engineering, Zhengzhou University, Zhengzhou
[2] Zhengzhou Research Institute of Mechanical Engineering, Zhengzhou
来源：
Zhendong yu Chongji/Journal of Vibration and Shock | 2022年 / 41卷 / 13期
关键词：
bifurcation; gear; grazing impact; nonlinear vibration;
D O I：
10.13465/j.cnki.jvs.2022.13.001
中图分类号：
学科分类号：
摘要：
Grazing impact between tooth surfaces is a special impact form in a gear-bearing transmission system, it may change dynamic characteristics of the system. Here, to deeply explore effects of grazing impact on dynamic characteristics of the system, based on stroboscopic mapping and Poincaré mapping of tooth surface and tooth back impact surface, variation laws of the system’ s period and meshing force were obtained to reveal meshing-in and meshing-out impact characteristics of gear pair. Bifurcation diagram, meshing force variation diagram, phase diagram and maximum Lyapunov exponent diagram were used to analyze effects of grazing impact on dynamic characteristics of the system. The study showed that grazing impact can cause complex changes of dynamic behavior of the system to result in changes of motion and impact state of the system; when TLE at mutation point of meshing force is less than zero, system period remains unchanged and meshing force changes suddenly, but topologic structure of phase trajectory does not change; when TLE at mutation point of meshing force is approximately zero, motion of the system bifurcates, both the number of periods and meshing force of the system change; this study can reveal some complex dynamic phenomena caused by grazing impact of gear-bearing systems, and provide a reference for their safe operation and optimal design. © 2022 Chinese Vibration Engineering Society. All rights reserved.
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页码：1 / 7and16
页数：715
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