两自由度多环混合驱动机构的可动性分析  

Mobility analysis of two-DOF multi-loop hybrid driving mechanism

作　　者：李永刚[1] 孟彩芳[1] 张策[1] 李辉[1] 

机构地区：[1]天津大学机械工程学院,天津300072

出　　处：《机械设计》2003年第9期17-19,共3页Journal of Machine Design

基　　金：国家教育部博士点基金资助项目 (2 0 0 0 0 0 5630 )

摘　　要：以一种两自由度多环混合驱动机构的可动性分析为例 ,给出了一种同样适于其它多自由度多环混合驱动机构可动性分析的方法 ,即首先由机构的速度输入与输出矩阵 ,推出机构产生奇异位形的条件 ,再结合该机构的可动性要求和单环多杆机构的可动性的充要条件 ,对整个机构每个环路的可动性进行分析 ,最后综合分析得出混合驱动机构的可动性条件。Taking the mobility analysis of a kind of 2-DOF multi-looped hybrid driving mechanism as an example,an analytic method of mobility which suits similarly to other multi-DOF and multi-looped hybrid driving mechanisms was presented.First of all,push forward the conditions of singular configuration engendered by the mechanism according to the velocity input and output matrix of the mechanism,and then carry out analysis upon the mobility of every loop of the entire mechanism by combining with the mobility requirements of this mechanism and the sufficient and necessary conditions of mobility in single looped multi-rod mechanism.Finally,by means of synthectic analysis,the mobility conditions of hybrid driving mechanism is obtained.

关 键 词：两自由度 混合驱动机构 奇异位形 可动性 曲柄压力机 

分 类 号：TG315.5[金属学及工艺—金属压力加工] TH112[机械工程—机械设计及理论]