Primary mirror installation adjustment mechanism

An installation adjustment and mirror chamber technology, applied in installation, instrumentation, optics, etc., can solve the problems of mutual coupling between axial and radial directions, complex adjustment of the main mirror of the telescope, and poor stability, and achieve low axial stiffness, The effect of preventing position shift and simple adjustment method

Active Publication Date: 2018-09-14
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention provides a primary mirror installation and adjustment mechanism to solve the problems of complex adjustment methods, poor stability, axial and radial mutual coupling of existing telescope primary mirrors, etc.

Method used

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  • Primary mirror installation adjustment mechanism
  • Primary mirror installation adjustment mechanism

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specific Embodiment approach 1

[0024] Specific implementation mode 1. Combination Figure 1 to Figure 7 Describe this embodiment, the main mirror installation adjustment mechanism, including the reflector 1, the support base 4, the main mirror chamber 5, the adjustment assembly connecting the main mirror chamber and the support base, the locking assembly, and the main mirror chamber and the support base. flexible diaphragm components such as image 3 and Figure 5 As shown, the reflector 1 is bonded to three support bosses 4-1 uniformly distributed on the support base, and the support points are provided with glue guide grooves 4-2. The support boss is located at 0.68 of the diameter of the bearing seat. The bottom of the primary mirror chamber 5 is provided with a through hole 5-1 opened at the bottom of the primary mirror chamber for connecting the primary mirror chamber 5 and the adjustment assembly. A through hole 5-3 for realizing the reference transfer, and for realizing the connection with the mai...

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Abstract

The main mirror installation and adjustment mechanism relates to a main mirror installation and adjustment mechanism, which solves the problems of complex adjustment methods, poor stability, and axial and radial mutual coupling of existing telescope main mirrors. On the three supporting bosses on the top, the main mirror chamber and the support seat are concentrically arranged, and the adjustment assembly includes the main mirror chamber insert embedded in the main mirror chamber, the receiving ball socket embedded in the bottom of the support seat, and the main mirror chamber set in the main mirror chamber. The adjusting screw in the insert, the screw ball socket embedded in the upper end of the adjusting screw, the steel ball installed between the receiving ball socket and the screw ball socket, and the lock nut installed at the bottom of the adjusting screw, the locking assembly includes The roller on the seat, the seesaw installed on the roller, the locking ball head and the locking ball socket installed on the locking screw and the butterfly gasket, the mechanism described in the present invention can adjust three degrees of freedom, And it has no effect on the shape of the primary mirror.

Description

technical field [0001] The invention relates to a primary mirror installation and adjustment mechanism. Background technique [0002] The traditional primary mirror adjustment mechanism relies on mechanical repair methods or other less stable adjustment methods to realize the tilt adjustment of the optical axis position of the primary mirror during the assembly process of the primary mirror, and has the following defects: [0003] 1. The adjustment method is complicated, it will affect the mirror surface, and the requirements for the adjustment personnel are relatively high; and only a few degrees of freedom can be adjusted. [0004] 2. The stability is not good. The existing primary mirror is not well fixed, which affects the measurement accuracy. After the adjustment is completed, there may be subsequent jumps. [0005] 3. Axial and radial interference must be avoided during the adjustment process. When adjusting the tilt, it will bring about a lateral adjustment of the o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B7/182G02B7/198
CPCG02B7/1824G02B7/198
Inventor 孙敬伟吴小霞李剑锋赵金宇
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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