A method for assembling a large-area reflector antenna composed of multi-panel units

Abstract

The invention discloses a method for assembling a large-area reflector antenna composed of multi-panel units. Large-area reflector antennas composed of multi-panel units are widely used in radar, antenna and building roof systems and other fields. This type of structure generally consists of a number of small-area panel units assembled into a large-area reflector antenna according to certain rules, and has certain requirements for its appearance size, surface accuracy, and appearance quality. The assembling method of the present invention mainly comprises: adopting corresponding positioning methods for different geometric features (such as corner ends, straight sides and arc sides, etc.) at the overall structure outer contour of the large-area reflector antenna; The characteristic panel is then assembled with other panels on the outer ring, and finally the remaining panels are assembled layer by layer inward; during the assembly process, spacers are pre-inserted between each panel unit. The invention ensures the dimensional accuracy and the uniformity of the gap of the large-area reflector antenna, improves its precision and aesthetics, and at the same time regulates the process to facilitate operation.

Description

technical field [0001] The invention mainly relates to the field of surface structure engineering, such as the manufacture of large-scale radar antenna reflectors, which require high appearance size and assembly precision, and in particular relates to a method for assembling a large-area reflector antenna composed of multi-panel units. Background technique [0002] With the great progress in fields such as satellite communication and deep space exploration, antennas have played an increasingly important role in it. The function of the antenna is to receive and transmit signals through a reflective surface of a certain size. Due to the huge reflective surface area of ​​the giant antenna, it is assembled from small panel units. For example, the National Astronomical Observatory's dark energy radio detection parabolic antenna (reflecting surface area 1081m 2 ), Shanghai 65-meter (Tianma) radio astronomy telescope antenna (reflecting surface area 3799m 2 ) and so on are compo...

AI Technical Summary

Problems solved by technology

[0005] 1. The assembly process often has certain randomness, and there are certain quality hidden dangers;

[0006] 2. The lack of a unified and accurate positioning reference or the unreasonable setting of the positioning reference requires repeated adjustments;

[0007] 3. Generally, the assembly sequence from the inside to the outside or from one side is adopted, resulting in excessive boundary dimensions;

[0008] 4. The unevenness of the edges and the different widths of the intervals result in poor aesthetics

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