典型柔性铰链转角柔度对比分析  

Comparative Analysis on Angle Compliance of Typical Flexure Hinge

作　　者：闪明才[1,2] 马树元[1] 谢虎[1] 刘霜[1,2] 

机构地区：[1]北京理工大学机械与车辆学院,北京100081 [2]河北大学质量技术监督学院,河北保定071002

出　　处：《机械设计与制造》2013年第9期97-100,共4页Machinery Design & Manufacture

基　　金：国家自然科学基金资助项目(60674052)

摘　　要：柔性铰链结构广泛的应用于精密定位系统中,利用卡氏第二定律推导了柔性铰链的通用转角柔度计算公式。引入两个无量纲参数,通过将典型柔性铰链的柔性部位的边沿曲线表述为圆锥曲线形式,建立了含有共同参数的典型柔性铰链的转角柔度计算公式,采用有限元法对所建立的转角柔度公式进行了验证。在此基础之上,以圆形柔性铰链的转角柔度为基准,定义了转角柔度比函数,对比分析了典型柔性铰链的转角柔度特性,为确定大行程柔性机构设计时的基本变形单元提供了理论依据。Flexure hinge structure was widely used in precision positioning system, a general angle compliance equation of flexure hinge was deduced based on Castigliano＇s second theorem, and the angle compliance theoretical models of typical flexure hinges was built which edge curve can be expressed as conic section by introducing two dimensionless quantity, and finite element simulation results confirm the theoretical formulation datca On this basis, it defined a angle compliance funetion, and properties of the angle compliance of typieal flexure hinge was studied based on circular flexure hinge, which provides a theoretical basis for determining the basic deformation unit in designing long stroke flexure mechanism.

关 键 词：柔性铰链 转角柔度 有限元法 大行程柔性机构 

分 类 号：TH16[机械工程—机械制造及自动化]