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Scissor-type deployable antenna mechanism based on rolling hinges

A technology of rolling hinges and antennas, which is applied to antennas, antenna parts, antenna supports/mounting devices, etc., can solve the problem of low storage, and achieve the effects of good stability, light weight, and simple structure

Active Publication Date: 2020-02-14
CHINA ACADEMY OF SPACE TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The expandable support mechanism has been developed to this day, and its structural forms are various. Among them, the articulated expandable support mechanism has the characteristics of high rigidity, high reliability, and large load-bearing capacity, and has been widely used. However, the existing articulated expandable support mechanism Due to the ordinary rotating hinge, the mechanism has the problem of low storage ratio

Method used

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  • Scissor-type deployable antenna mechanism based on rolling hinges
  • Scissor-type deployable antenna mechanism based on rolling hinges
  • Scissor-type deployable antenna mechanism based on rolling hinges

Examples

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Embodiment Construction

[0039] The present invention will be further elaborated below in conjunction with embodiment.

[0040] The invention proposes a rolling hinge type scissors unfolding mechanism, which has the characteristics of simple composition, small volume in a folded state, high storage ratio, direct drive by a motor, and stable structure by a cable.

[0041] The high storage ratio deployment mechanism is composed of a rolling hinge, a rod, a support drive unit, and a cable unit, and each expandable unit includes two equal-length rods and two pairs of rolling hinges. A motor can be installed on the sliding plate to drive the sliding plate to move up and down to drive the rod to unfold; a motor can be installed inside the sleeve to drive the sleeve to move up and down, and the final position can be locked by the internal locking device to support the cable; One end of the cable is connected with the rolling hinge, and the movement of the antenna mechanism drives the elongation and final ten...

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Abstract

The invention relates to a scissor-type deployable antenna mechanism based on rolling hinges. The scissor-type deployable antenna mechanism comprises a scissor-type deployment unit and a supporting and driving unit, wherein the supporting and driving unit comprises a supporting column and a sliding disc, and the scissor-type deployment unit comprises a first-stage deployment unit and a second-stage deployment unit; the first-stage deployment unit comprises two identical first rod pieces, rolling hinges with a sliding groove and rolling hinges with a boss; and the second-stage deployment unit comprises two identical second rod pieces, rolling hinges with a sliding groove and rolling hinges with a boss. When the supporting and driving unit and a sleeve type inhaul cable unit are in a deployed state, the sliding disc is attached to a base plate of the supporting column, the sleeve is locked through an internal locking mechanism, the inhaul cable is in a tightened state, the stability is good after the structure is locked, and the using rigidity requirement of the large-diameter deployable antenna in space can be met.

Description

technical field [0001] The invention relates to a rolling hinge-based scissor-type deployable antenna mechanism, which belongs to the technical field of aerospace equipment and equipment. Background technique [0002] At present, the detection of space other than the earth has become a hot research topic in the scientific circles of all countries in the world. Space agencies are inseparable from various forms of space exploration missions, and the deployable support mechanism is the most abundant form of space agencies. The earliest and most widely used one. The expandable support mechanism is mainly used to drive flexible solar cell sails in various space exploration missions to form space telescopes, aperture radars, and satellite antennas. With the rapid development of deep space exploration technology and the demand for complex exploration tasks, the demand for a high storage ratio, high rigidity, easy to drive and lock, and ultra-light expandable support mechanism is b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/12
CPCH01Q1/12H01Q1/1235
Inventor 李媛媛吴桐李萌耿新宇仝照远崔程博翟家跃
Owner CHINA ACADEMY OF SPACE TECHNOLOGY
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