Hybrid scissors-forks type extensible antenna mechanism of double-layer ring-shaped truss

A ring truss, double-layer technology, applied in the direction of folding antennas, rotating antennas, etc., can solve the problems of low reliability, low rigidity, and small folding ratio of the mechanism, and achieve high reliability, large folding ratio, and simple implementation Effect

Pending Publication Date: 2018-06-19
YANSHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of low rigidity, small folding ratio and low reliability of the existing ring truss mechanism, and to provide a hybrid scissor-type double-layer ring truss expandable antenna mechanism

Method used

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  • Hybrid scissors-forks type extensible antenna mechanism of double-layer ring-shaped truss
  • Hybrid scissors-forks type extensible antenna mechanism of double-layer ring-shaped truss
  • Hybrid scissors-forks type extensible antenna mechanism of double-layer ring-shaped truss

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Embodiment Construction

[0053] exist figure 1 , figure 2 , image 3 with Figure 4 In the schematic diagram of the deployable antenna mechanism of the hybrid scissor-type double-layer ring truss shown, the inner layer ring truss assembly 1 includes 12 inner layer folding units 5, and the structures of each inner layer folding unit are exactly the same, and the adjacent inner layer folding units The exhibition units are connected through the shared upper and lower inner layer faceplates to form the inner ring truss assembly. After the inner ring truss assembly is expanded and folded, it is a multi-faceted ring truss structure, such as Figure 5 As shown; the outer layer ring truss assembly 2 includes 24 outer layer folding units, and the outer layer folding units have two structures, that is, 16 outer layer folding units B6 and 8 outer layer folding units C7, The outer layer folding units are arranged in the order of B-B-C, and the outer layer folding units are connected through the shared upper a...

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Abstract

The invention discloses a hybrid scissors-forks type extensible antenna mechanism of a double-layer ring-shaped truss. The hybrid scissors-forks type extensible antenna mechanism mainly comprises an inner-layer ring-shaped truss assembly, an outer-layer ring-shaped truss assembly, a central fixed scissors type connecting assembly and a central movable scissors type connecting assembly, wherein theinner-layer ring-shaped truss assembly comprises n inner-layer folding and stretching units; the outer-layer ring-shaped truss assembly comprises 2n outer-layer folding and stretching units; the central fixed scissors type connecting assembly comprises n fixed scissors type folding and stretching units and n / 2 central movable scissors type folding and stretching units; upper and lower four inner-layer disk chucks at the two sides of the inner-layer folding and stretching units and upper and lower six outer-layer disk chucks of corresponding two outer-layer folding and stretching units definethe double-layer ring-shaped truss mechanism through two central fixed scissors type folding and stretching units and one central movable scissors type folding and stretching unit. The hybrid scissors-forks type extensible antenna mechanism is simple in implementation way, is high in reliability, has the advantages of being flexible in movement and relatively great in folding, and can be applied to a communication satellite, a space station and a space detector.

Description

technical field [0001] The invention relates to a deployable antenna mechanism. Background technique [0002] With the continuous deepening of human exploration of space, artificial satellites have occupied an indispensable position in the aerospace field, and on-board antennas are important components of satellites, and their technical performance has an important impact on the performance and stability of satellites. With the rapid development of space science and technology, satellite antenna technology is one of the fastest-growing technologies in satellite payloads in recent years. Among them, the large-scale ring truss antenna is considered to be the most ideal structural form of large-scale spaceborne deployable antenna due to its simple structure, high reliability, and large deployment ratio, and has become an important core technology in the field of space technology that countries are competing to develop. One, good structural design is an important aspect in ante...

Claims

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Application Information

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IPC IPC(8): H01Q1/08
CPCH01Q1/08H01Q1/084
Inventor 赵永生韩博张硕许允斗姚建涛郑东陈阳
Owner YANSHAN UNIV
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