天津工业大学学报2024，Vol.43Issue(4)：75-81,7.DOI:10.3969/j.issn.1671-024x.2024.04.012
含多关节间隙平面柔性六杆机构的动力学分析
Dynamic analysis of planar flexible six-bar mechanism with multi-joint clearances
摘要
Abstract
In order to improve the accuracy of dynamic analysis,the effects of multi-clearance joints and component flexibility on the dynamic response of multi-body mechanisms is considered,based on the planar six-bar mechanism.The dynamic simulation of the six-bar mechanism with multi-clearance joints and flexible connecting rod is carried out by solid modeling and citing the"impact function"contact force model in ADAMS software.The system dynamics under clearance number,clearance position,clearance size,flexible connecting rod and clearance coupling are investigated.The simulation results show that compared with the single clearance joint,the multi-clearance joints will produce greater contact force,resulting in more intense acceleration fluctuation of the component.The closer the clearance joint to the motor position,the more obvious the influence on the dynamic behavior of the mechanism.The influence of clearance on the dynamic fluctuation of the mechanism can be greatly reduced when considering the flexibility of the connecting rod.关键词
多关节间隙/接触力/柔性连杆/动力学/六杆机构Key words
multi-joint clearances/contact force/flexible connecting rod/dynamics/six-bar mechanism分类
机械制造引用本文复制引用
金国光,何升,魏展,王志敏,刘军..含多关节间隙平面柔性六杆机构的动力学分析[J].天津工业大学学报,2024,43(4):75-81,7.基金项目
国家自然科学基金资助项目(51475330) （51475330）
天津市高校创新团队项目(TD13-5037) （TD13-5037）
