1.College of Mechanical Engineering, Chongqing University of Technology ,Chongqing 400054, China；
2.Chongqing University of Arts and Sciences, Chongqing 402160, China
Aiming at the defect of power tillers such as violent vibration as well as poor comfort, a self-propelled power tiller commonly used in southern hilly region was studied.According to structural analysis and test results of vibration characteristics for the power tiller in the non-operational state, a new rigid-flexible coupling dynamic model of the power tiller was established based on the multi-body dynamic method with considering the influence of flexibility of the parts such as bumper-bar, E-bracket and handle.At the same time, soil test on the vibration characteristics of the power tiller was performed.The comparative results show that the vibration characteristic curve of the handle by simulation is consistent with that of the test.The error of the vibration acceleration effective value is less than 5.4%, and the spectral components are close.This indicates that the established rigid-flexible coupling dynamic model of the power tiller is effective.
刘妤1，徐梓翔1，许洪斌1，2，陈亚洁1. 基于刚柔耦合模型的微耕机振动特性分析[J]. 振动与冲击, 2018, 37(24): 250-256.
LIU Yu1,XU Zixiang1,XU Hongbin1，2,CHEN Yajie1. Analysis of vibration characteristics for power tillers based on a rigid-flexible coupling model. JOURNAL OF VIBRATION AND SHOCK, 2018, 37(24): 250-256.
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