Engineering Analysis and Research of Large-size OE Tracking Gimbals Adopting Welding Structure

Guo Jin; Zhang Jingxu

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Engineering Analysis and Research of Large-size OE Tracking Gimbals Adopting Welding Structure

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- Engineering Analysis and Research of Large-size OE Tracking Gimbals Adopting Welding Structure
- Optics and Precision Engineering Vol. 4, Issue 4, Pages: 62-67(1996)
- 作者机构：
  
  中国科学院长春光学精密机械研究所长春,130022
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：12 January 1996，
  
  Published Online：15 August 1996，
  
  Published：15 August 1996
- 稿件说明：
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郭劲, 张景旭. 大型光电跟踪架采用焊接结构的工程分析与研究[J]. 光学精密工程, 1996,(4): 62-67

Guo Jin, Zhang Jingxu. Engineering Analysis and Research of Large-size OE Tracking Gimbals Adopting Welding Structure[J]. Editorial Office of Optics and Precision Engineering, 1996,(4): 62-67
郭劲, 张景旭. 大型光电跟踪架采用焊接结构的工程分析与研究[J]. 光学精密工程, 1996,(4): 62-67 DOI：

Guo Jin, Zhang Jingxu. Engineering Analysis and Research of Large-size OE Tracking Gimbals Adopting Welding Structure[J]. Editorial Office of Optics and Precision Engineering, 1996,(4): 62-67 DOI：

摘要

介绍了精密焊接结构在大型光电跟踪瞄准设备中的应用.使仪器的总重量较传统的铸造结构减轻了12%～14%

同时保证了跟踪架具有较高的机械谐振频率和优于1”的轴系精度.以水平轴中间体为例

详细说明了跟踪架精密大件采用焊接结构的可行性、设计方法以及减小焊接变形

消除焊接应力保证尺寸稳定性的途径.并对水平轴中间体的刚度进行了分析与计算.

Abstract

The application of precise welding structure in the gimbals of large-size OE pointing andtracking instrument is described in this paper. Compared with the traditional castiroll structure

the total weight of the instrument is decreased by 12%-14%. Meanwhile

the high mechanical mode and the axil precision less than 1"(arc second)of the gimbals are achieved. Theintermediate-body of the horizolltal shaft

as an example

the practicability of weldingstructwre applying in large-size precise components of the gimbals

the desigll method andthe approach that decrease the welding distortion

clear up the welding stress to insure the dimension stability is described in detail. The stiffness of the intermediate-body of the horizontal shaft in static and dynamic state is analysised and computered.

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