可重复伸缩套筒机构设计及模态分析

罗海军; 崔琦峰; 李明; 彭志龙

doi:10.3788/OPE.20172514.0074

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可重复伸缩套筒机构设计及模态分析

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- 可重复伸缩套筒机构设计及模态分析
- Design and modal analysis of space extendable and retractable mast(ERM)
- 光学精密工程 2017年25卷第12z期页码：74-79
- 作者机构：
  
  1. 上海宇航系统工程研究所上海,201109
  2. 上海市空间飞行器机构重点实验室, 上海 201108
- 作者简介：
- 基金信息：
  
  上海市青年科技英才扬帆计划资助项目（No.17YF1419300）()
- DOI：10.3788/OPE.20172514.0074
  中图分类号： V414.1
- 收稿日期：2017-08-24，
  
  修回日期：2017-09-15，
  
  纸质出版日期：2017-12-31
- 稿件说明：
移动端阅览
罗海军, 崔琦峰, 李明等. 可重复伸缩套筒机构设计及模态分析[J]. 光学精密工程, 2017,25(12z): 74-79

LUO Hai-jun, CUI Qi-feng, LI Ming etc. Design and modal analysis of space extendable and retractable mast(ERM)[J]. Editorial Office of Optics and Precision Engineering, 2017,25(12z): 74-79
罗海军, 崔琦峰, 李明等. 可重复伸缩套筒机构设计及模态分析[J]. 光学精密工程, 2017,25(12z): 74-79 DOI： 10.3788/OPE.20172514.0074.

LUO Hai-jun, CUI Qi-feng, LI Ming etc. Design and modal analysis of space extendable and retractable mast(ERM)[J]. Editorial Office of Optics and Precision Engineering, 2017,25(12z): 74-79 DOI： 10.3788/OPE.20172514.0074.

摘要

为了满足未来大型航天器柔性太阳电池翼对主承力伸展机构高可靠性、高刚度、可重复展收及轻质量的需求，设计了一种可重复伸缩的薄壁管式套筒机构，并对该套筒机构的模态参数进行了分析。基于滑动螺旋传动原理，设计了一种可轴向回动的容差螺母与丝杠结构，实现了任意时刻高可靠性展-收转换的伸缩功能。通过样机试验获得了筒间连接刚度影响系数，修正了套筒机构的有限元分析模型，得到了全展开尺寸下的模态基频为0.3 Hz。结果表明，可重复伸缩套筒机构相对其他构型伸展机构具备更高质量性能比，是空间站及大型航天器伸展机构的优选方案。

Abstract

In order to meet the requirements of large spacecraft's flexible solar array in future for main bearing mechanisms with high reliability

high stiffness

repeated expansion/contraction and light weight

a kind of thin walled repeatedly Extendable and Retractable Mast (ERM) was designed

also the modal parameters of the ERM are analyzed. An nut and lead screw structure that allowed axial movement error was designed

which could perform the functions of high reliability extension and retraction conversion at any time

based on the principle of sliding spiral transmission. The influence coefficient of the connection stiffness between tubes is obtained through the prototype test

and then the finite element analysis model of ERM is modified

finally the modal fundamental frequency of the full expansion dimension is proved to be 0.3 Hz. The results show that ERM has better quality performance ratio than other deployable masts

and it is a preferred scheme for space station and large spacecraft.

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Keywords

references

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