Multi-directional flexible supporting structure of oversized-aperture optical reflector

Abstract

The invention belongs to the field of aerospace technologies, and relates to a multi-directional flexible supporting structure of an oversized-aperture optical reflector. The multi-directional flexible supporting structure of the oversized-aperture optical reflector aims to solve the problems that in the prior art, it is difficult to simultaneously meet high surface precision requirements and high assembly process level requirements of a reflector under the working conditions of gravity release and varying environment temperature. The multi-directional flexible supporting structure of the oversized-aperture optical reflector comprises a large-caliber reflector body, taper sleeves and flexible joints, wherein three supporting holes are evenly distributed in the 120-degree circumference of the back of the large-caliber reflector body, the taper of each supporting hole is the same as that of the corresponding taper sleeve, each supporting hole and the corresponding taper sleeve are matched and are bonded and fixed through glue, each flexible joint is fixed to the corresponding taper sleeve through screws and pins, and the upper portion of each flexible joint is connected with a connecting boss on a back supporting plate of the large-caliber reflector body through screws. The three flexible joints are evenly distributed on the back of the large-caliber reflector body, each flexible joint is provided with four transverse grooves and two longitudinal grooves, and it is ensured that the reflector will not have obvious deformation caused by variation of the external environment and the imaging quality of the reflector will not be affected.

Description

technical field [0001] The invention belongs to the field of aerospace technology, and in particular relates to a multi-directional flexible support structure for a super-large-aperture optical mirror applied to a space optical remote sensor. Background technique [0002] At present, the large-aperture space optical remote sensor mirror is usually installed on the main structure of the space remote sensor after forming a mirror assembly through a support structure. When the mirror system undergoes a series of environmental changes such as processing, testing, laboratory adjustment, launch, and deep space cold black microgravity, it is very easy to cause serious decline in the position accuracy and surface accuracy of the mirror in the space application environment. Further, good imaging cannot be realized. [0003] The traditional large-aperture mirror support method is generally connected by multiple (generally 6) flexible joints with one-way or two-way flexibility. This m...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to propose a multi-directional flexible support structure for an ultra-large-aperture optical mirror, which solves the difficulty in ensuring the surface accuracy and assembly process level requirements of the mirror under the conditions of gravity release and ambient temperature change. high problem

Images