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3DOF并联加载机构静力学和静刚度分析

樊锐 刘欢 王丹

樊锐, 刘欢, 王丹等 . 3DOF并联加载机构静力学和静刚度分析[J]. 北京航空航天大学学报, 2014, 40(7): 861-866. doi: 10.13700/j.bh.1001-5965.2013.0491
引用本文: 樊锐, 刘欢, 王丹等 . 3DOF并联加载机构静力学和静刚度分析[J]. 北京航空航天大学学报, 2014, 40(7): 861-866. doi: 10.13700/j.bh.1001-5965.2013.0491
Fan Rui, Liu Huan, Wang Danet al. Statics and stiffness of 3 DOF parallel loading mechanism[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(7): 861-866. doi: 10.13700/j.bh.1001-5965.2013.0491(in Chinese)
Citation: Fan Rui, Liu Huan, Wang Danet al. Statics and stiffness of 3 DOF parallel loading mechanism[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(7): 861-866. doi: 10.13700/j.bh.1001-5965.2013.0491(in Chinese)

3DOF并联加载机构静力学和静刚度分析

doi: 10.13700/j.bh.1001-5965.2013.0491
基金项目: 

国家重大专项资助项目(2012ZX04010-021)

详细信息
    作者简介:

    樊锐(1963-),男,云南昆明人,教授,fanrui@buaa.edu.cn.

  • 中图分类号: TH122

Statics and stiffness of 3 DOF parallel loading mechanism

  • 摘要: 基于螺旋理论建立了用于数控机床随动加载的3自由度并联机构的静力学方程,得到机构的驱动力与动平台所受外载的映射关系,方程考虑了支链重力对静力学模型的影响,通过算例绘制了在指定载荷下机构驱动力在工作空间内的分布曲线图.在考虑支链重力和在约束力下支链弹性变形对刚度影响的情况下,建立了机构的静刚度模型,分析了给定静载荷条件下机构在定姿态空间内的变形分布情况,并评价了机构的刚度性能,结果表明机构的刚度特性关于y轴对称且在工作空间的边界刚度变差.

     

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出版历程
  • 收稿日期:  2013-09-18
  • 网络出版日期:  2014-07-20

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