A study on vibration characteristics of a cylindrical spur gear with the contact mechanism of back teeth and optimization of double teeth surfaces modification
WANG Feng1 ZHU Yanlin2 XU Xing1 CHEN Long1 ZHOU Zhiguang3 SUN Xiaoqiang1
1.Automotive Engineering Research Institute, Jiangsu University, Zhenjiang 212013, China;
2.School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013 , China;
3.New Energy Development Department Powertrain Technology Center, Chery Automobile Co., Ltd., Wuhu 241009 , China
In order to effectively analyze the nonlinear vibration characteristics of a high-speed cylindrical helical gear, effective suppression of tooth surface vibration, dynamic meshing stiffness of cylindrical helical gears with contact characteristics of tooth back was established through a loaded tooth contact model, and the coupling mechanism between meshing stiffness, meshing time and vibration displacement was obtained.The nonlinear vibration model of the high-speed cylindrical helical gear transmission system was established considering the excitations of tooth surface/back meshing stiffness and the corner impact force.The optimization of the surface modification of the double teeth surfaces was studied.The results of show that the meshing vibration acceleration of the helical gear with tooth back meshing stiffness is obviously larger than that without the stiffness, and the former performs more complex bifurcation characteristics.Compared to the standard tooth surface and the single surface modification, the cylindrical helical gear with double surfaces modification has the smallest meshing vibration acceleration, and it also increases the speed range for stable operation.
收稿日期: 2017-08-08
出版日期: 2018-12-15
引用本文:
王 峰1 朱彦霖2 徐 兴1 陈 龙1 周之光3 孙晓强1. 融合齿背接触机理的圆柱斜齿轮振动特性分析与双面修形优化研究[J]. 振动与冲击, 2018, 37(24): 53-60.
WANG Feng1 ZHU Yanlin2 XU Xing1 CHEN Long1 ZHOU Zhiguang3 SUN Xiaoqiang1. A study on vibration characteristics of a cylindrical spur gear with the contact mechanism of back teeth and optimization of double teeth surfaces modification. JOURNAL OF VIBRATION AND SHOCK, 2018, 37(24): 53-60.
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