Flexible supporting mechanism for space remote sensor reflector

Abstract

The invention discloses a flexible supporting mechanism for a space remote sensor reflector, relates to a flexible supporting mechanism for a reflector, and belongs to the technical field of a space remote sensing technology. In order to solve the technical problem, the invention provides a flexible supporting mechanism for a space remote sensor reflector. The flexible supporting mechanism comprises an inner ring, an outer ring, a flexible link, inner and outer ring gaps, outer ring flanges, outer ring gaps, inner ring pads, a flexible mirror frame, a flexible pressing piece, a fastening screw, a reflector and the like; the flexible mirror frame is provided with the inner ring, the outer ring and the flexible link; three concentric inner and outer ring gaps which are uniformly distributedat an angle of 120 degrees are formed between the inner ring and the outer ring; a flexible part between every two concentric inner and outer ring gaps is the flexible link; three inner ring pads which are uniformly distributed are arranged on the inner ring; three outer ring flanges which are uniformly distributed are arranged on the outer ring; the side face of the reflector is adhered to the three inner ring pads; the flexible pressing piece is fixed on the flexible mirror frame on the side of a convex surface of the reflector; and the flexible pressing piece is pressed against the convex surface flange of the reflector so as to provide axial pretightening.

Description

Technical field: [0001] The invention belongs to the field of space remote sensing technology and relates to a flexible supporting mechanism for space remote sensor reflectors. Background technique: [0002] The installation accuracy and surface shape accuracy of the reflector in the space remote sensor directly affect the imaging quality of the optical system. Therefore, high demands are placed on the supporting structure of the mirror. When the diameter of the reflector is relatively small, it is generally installed and fixed by peripheral support or axial mechanical compression. Although the structure of the above-mentioned support method is simple and reliable, when the diameter is large, its thermal stability is not ideal in the complex space thermal environment. The temperature change of the environment will cause the surface shape accuracy of the reflective surface of the mirror to be out of tolerance, which will affect the imaging quality of the optical system. Th...

AI Technical Summary

Problems solved by technology

The disadvantages of this installation technique are: a). The inner ring surface of the inner ring 1 is in direct contact with the outer ring surface of the reflector, and the adhesive area is too large, and the reflector body will produce a large curing stress after the adhesive is cured; b ). There is no axial positioning reference, and the reflector is only glued and fixed on the side. Its precise axial positioning cannot be guaranteed, and it is difficult to install and adjust; c). The axial stiffness is poor, and the reflector can only be supported by the adhesive layer on the side. The load along the optical axis is not suitable for the special environmental requirements of space remote sensors

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