切向双脚架-运动学支撑结构的柔度研究

安明鑫; 薛闯; 张立浩; 徐抒岩; 董吉洪

doi:10.3788/IRLA201746.0718001

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切向双脚架-运动学支撑结构的柔度研究

安明鑫, 薛闯, 张立浩, 徐抒岩, 董吉洪

文章导航 > 红外与激光工程 > 2017 > 46(7): 718001-0718001(7)

安明鑫, 薛闯, 张立浩, 徐抒岩, 董吉洪. 切向双脚架-运动学支撑结构的柔度研究[J]. 红外与激光工程, 2017, 46(7): 718001-0718001(7). doi: 10.3788/IRLA201746.0718001

引用本文:

安明鑫, 薛闯, 张立浩, 徐抒岩, 董吉洪. 切向双脚架-运动学支撑结构的柔度研究[J]. 红外与激光工程, 2017, 46(7): 718001-0718001(7). doi: 10.3788/IRLA201746.0718001

An Mingxin, Xue Chuang, Zhang Lihao, Xu Shuyan, Dong Jihong. Research on compliance of tangent bipod kinematic mount[J]. Infrared and Laser Engineering, 2017, 46(7): 718001-0718001(7). doi: 10.3788/IRLA201746.0718001

Citation:

An Mingxin, Xue Chuang, Zhang Lihao, Xu Shuyan, Dong Jihong. Research on compliance of tangent bipod kinematic mount[J]. Infrared and Laser Engineering, 2017, 46(7): 718001-0718001(7). doi: 10.3788/IRLA201746.0718001

切向双脚架-运动学支撑结构的柔度研究

doi: 10.3788/IRLA201746.0718001

1.
中国科学院长春光学精密机械与物理研究所,吉林长春 130033;
2.
中国科学院大学,北京 100049

基金项目:

国家自然科学基金（60507003）

详细信息

作者简介:
安明鑫(1988-),男,博士生,主要从事空间遥感器光机结构设计方面的研究。Email:anmingxin2014@163.com

中图分类号: V414.1

Research on compliance of tangent bipod kinematic mount

1.
Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;
2.
University of Chinese Academy of Sciences,Beijing 100049,China

摘要: 为了实现高精度的运动学支撑结构的设计，研究了切向双脚架-运动学支撑结构的柔度。介绍了切向双脚架-运动学支撑结构的设计原理。根据单边直圆柔性铰链的柔度公式，推导了双脚架在X、Y和Z轴方向的等效柔度Cx、Cy和Cz的解析式。采用有限元分析和试验验证的方法，对双脚架的柔度解析式进行了分析验证。结果表明：解析式结果与有限元结果、试验结果基本一致，且误差均小于9.8%。研究了单边直圆柔性铰链的柔槽深度R和最小厚度t对双脚架柔度Cx、Cy和Cz的影响，得到了双脚架的等效柔度均与柔槽深度R成正比，与最小厚度t成反比的结论。为空间相机上的科学仪器的切向双脚架-运动学支撑结构的设计提供理论参考。
- 柔度 /
- 运动学支撑结构 /
- 双脚架 /
- 单边直圆柔性铰链 /
- 试验
Abstract: The compliance of the tangent bipod kinematic mount was investigated in order to realize the design of high precision kinematic mount. The design principle of the tangent bipod kinematic mount was introduced in detail. The equivalent compliances Cx, Cy and Cz of the bipod in the X-axis, Y-axis, and Z-axis directions were deduced based on the compliance equations of the single-axis right circular flexure hinge. The compliance equations of bipod were verified by the finite elements and experiments. The results show that the theoretical results are in agreement with the finite element results and experimental results, and the deviation is less than 9.8%. The influence of the flexible groove depth R and minimum thickness t on the compliances of the bipod was analyzed. It was concluded that the equivalent compliances Cx, Cy and Cz of the tangent bipod were proportional to the flexible groove depth R and inversely proportional to the minimum thickness t. It provides a theoretical reference for the design of tangent bipod kinematic mount which is widely used to support scientific instruments in space camera.
- compliance /
- kinematic mount /
- bipod /
- single-axis right circular flexure hinge /
- experiment

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切向双脚架-运动学支撑结构的柔度研究

doi: 10.3788/IRLA201746.0718001

1. 中国科学院长春光学精密机械与物理研究所,吉林长春 130033;

2. 中国科学院大学,北京 100049

作者简介:
安明鑫(1988-),男,博士生,主要从事空间遥感器光机结构设计方面的研究。Email:anmingxin2014@163.com

收稿日期: 2016-11-05
修回日期: 2016-12-03
刊出日期: 2017-07-25

基金项目:

国家自然科学基金（60507003）

中图分类号: V414.1

关键词:

摘要: 为了实现高精度的运动学支撑结构的设计，研究了切向双脚架-运动学支撑结构的柔度。介绍了切向双脚架-运动学支撑结构的设计原理。根据单边直圆柔性铰链的柔度公式，推导了双脚架在X、Y和Z轴方向的等效柔度Cx、Cy和Cz的解析式。采用有限元分析和试验验证的方法，对双脚架的柔度解析式进行了分析验证。结果表明：解析式结果与有限元结果、试验结果基本一致，且误差均小于9.8%。研究了单边直圆柔性铰链的柔槽深度R和最小厚度t对双脚架柔度Cx、Cy和Cz的影响，得到了双脚架的等效柔度均与柔槽深度R成正比，与最小厚度t成反比的结论。为空间相机上的科学仪器的切向双脚架-运动学支撑结构的设计提供理论参考。

English Abstract

Research on compliance of tangent bipod kinematic mount

1. Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;

2. University of Chinese Academy of Sciences,Beijing 100049,China

Received Date: 2016-11-05
Rev Recd Date: 2016-12-03
Publish Date: 2017-07-25

Keywords:

compliance /
kinematic mount /
bipod /
single-axis right circular flexure hinge /
experiment

Abstract: The compliance of the tangent bipod kinematic mount was investigated in order to realize the design of high precision kinematic mount. The design principle of the tangent bipod kinematic mount was introduced in detail. The equivalent compliances Cx, Cy and Cz of the bipod in the X-axis, Y-axis, and Z-axis directions were deduced based on the compliance equations of the single-axis right circular flexure hinge. The compliance equations of bipod were verified by the finite elements and experiments. The results show that the theoretical results are in agreement with the finite element results and experimental results, and the deviation is less than 9.8%. The influence of the flexible groove depth R and minimum thickness t on the compliances of the bipod was analyzed. It was concluded that the equivalent compliances Cx, Cy and Cz of the tangent bipod were proportional to the flexible groove depth R and inversely proportional to the minimum thickness t. It provides a theoretical reference for the design of tangent bipod kinematic mount which is widely used to support scientific instruments in space camera.