摘要
RV传动中摆线轮与输出盘之间的输出机构是由三个双曲柄平行四边形机构组成的封闭式单自由度并联机构.由于构件长度的制造偏差和铰链运动副中的径向间隙,摆线轮与输出盘之间会产生相对位置误差.这一误差数值还与构件的弹性有关.作为基础,本文仅在刚体运动学的范畴内研究这一误差的数值,提出了关于一般四杆铰接机构刚性误差的计算模型,然后应用于平行四边形机构和RV传动的输出机构.最后给出了数值计算例证.
output mechanism of the RV device is a one-degree-of-freedom planar paraller linkage consisting of three double-crank parallelogram linkages. The link length differences and the clearences in the hings are the factors which cause position errors. The error is also related to the elastic of the links. As a basis and a proximity, this paper analyses the error under rigid hypothesis. A mathematic model for error analysis of a general 4-bar, linkage is developed. A numerical example is presented.
出处
《大连铁道学院学报》
1996年第4期41-47,共7页
Journal of Dalian Railway Institute
基金
国家自然科学基金
关键词
齿轮传动
误差分析
刚性误差
RV传动
输出机构
gear drives
error analysis/double-crank parallelogram linkage
rigid error