磁悬浮飞轮用可重复抱式锁紧装置

刘强; 房建成

doi:10.3788/OPE.20122008.1802

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磁悬浮飞轮用可重复抱式锁紧装置

微纳技术与精密机械 | 更新时间：2020-08-12

- 磁悬浮飞轮用可重复抱式锁紧装置
- Repeated clamping locking device for magnetic bearing flywheel
- 光学精密工程 2012年20卷第8期页码：1802-1810
- 作者机构：
  
  1. 北京航空航天大学惯性技术重点实验室北京,100191
  2. 北京航空航天大学新型惯性仪表与导航系统技术国防重点学科实验室北京,100191
- 作者简介：
- 基金信息：
  
  国家杰出青年科学基金资助项目(No.60825305)();国家973重点基础研究发展计划资助项目(No.2009CB724002)()
- DOI：10.3788/OPE.20122008.1802
  中图分类号： V414.1;V448.22
- 收稿日期：2012-04-11，
  
  修回日期：2012-05-14，
  
  纸质出版日期：2012-08-10
- 稿件说明：
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刘强, 房建成. 磁悬浮飞轮用可重复抱式锁紧装置[J]. 光学精密工程, 2012,(8): 1802-1810

LIU Qiang, FANG Jian-cheng. Repeated clamping locking device for magnetic bearing flywheel[J]. Editorial Office of Optics and Precision Engineering, 2012,(8): 1802-1810
刘强, 房建成. 磁悬浮飞轮用可重复抱式锁紧装置[J]. 光学精密工程, 2012,(8): 1802-1810 DOI： 10.3788/OPE.20122008.1802.

LIU Qiang, FANG Jian-cheng. Repeated clamping locking device for magnetic bearing flywheel[J]. Editorial Office of Optics and Precision Engineering, 2012,(8): 1802-1810 DOI： 10.3788/OPE.20122008.1802.

摘要

针对磁悬浮飞轮锁紧装置用整体碳纤维弹片不便拆卸和一次性锁紧装置不可重复锁紧/解锁的缺点

提出了一种基于分立式弹片释放机构的可重复抱式锁紧装置。介绍了锁紧装置的结构、工作原理和弹片方案

通过将弹片释放机构等效为悬臂梁-质量块模型

对其进行了静力学和动力学分析。基于分析结果

选择灵敏度较高的结构参数作为优化设计变量

并考虑结构强度、解锁力和一阶共振频率

以软件iSIGHT为平台

对弹片进行多学科优化设计。优化结果表明

弹片个数为10时

弹片总质量达到最小为207 g

比初始质量477 g减少了56.6%。根据优化结果加工了一套锁紧装置

并利用正弦扫频振动和随机振动试验对其进行验证

验证结果显示该锁紧装置能够有效保护飞轮系统。

Abstract

As the integral carbon fiber slice for a locking device is not easy to disassemble and the one-off locking device can not repeat locking/unlocking in a magnetic bearing flywheel

a novel repeated clamping locking device based on a separate elastic slice as release mechanism was presented. The composition

operating principles and the scheme of elastic slice for the device were introduced. To be equivalent the elastic slice for a cantilever beam-mass mode

the static and dynamic analysis was performed for the device. Upon this

the structure parameters of high sensitivity were selected as design variables

and the structural strength

unlocking force and the first resonance frequency were concerned. Then

the software of multidisciplinary design optimization (iSIGHT) was used for the optimization of elastic slice. The results indicate that the total mass of elastic slices has been reached to the minimum of 207 g corresponding to 10 elastic slices

which is reduced by 56.6% compared with initial mass of 477 g. According to optimization results

a locking device was manufactured and it is verified by sine-swept vibration and random vibration. The verification shows that the locking device can protect magnetic bearing flywheels and has great significance and values for space applications of magnetic bearing flywheels.

关键词

Keywords

references

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