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Three-structure-state transformation space deployable mechanism based on scissor units

A technology of scissors and space, which is applied in the field of expandable mechanisms based on the three-configuration transformation space of the scissor unit, which can solve the problems of large folding ratio, small folding volume, and single component types, and achieve large folding ratio and small folding volume , the effect of a single category

Active Publication Date: 2019-01-01
GUANGXI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] So far, we have not seen a three-structure scissor-based unit that can change configurations, can be used as a polygonal folding unit, and has the characteristics of light weight, single component type, large folding ratio, small folded volume, and stable mechanism expansion. Innovative invention design of state-transforming space expandable mechanism

Method used

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  • Three-structure-state transformation space deployable mechanism based on scissor units
  • Three-structure-state transformation space deployable mechanism based on scissor units
  • Three-structure-state transformation space deployable mechanism based on scissor units

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Embodiment Construction

[0033] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0034] Such as Figure 1 to Figure 15 As shown, the three-configuration transformation space expandable mechanism based on the scissor unit of the present invention includes a scissor unit, a hinge and a chassis. The specific structure and connection relationship are as follows:

[0035] The scissor unit is divided into an inner layer scissor unit and an outer layer scissor unit, and the inner layer scissor unit includes a first group of inner layer scissor units 201, a second group of inner layer scissor units 202, a third group of The inner layer scissor unit 203, the fourth group of inner layer scissor unit 204 and the fifth group of inner layer scissor unit 205, the first group of inner layer scissor unit 201 includes the first scissor bar 5 and the second scissor bar 6 , one end of the first scissor lever 5 is connected ...

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Abstract

The invention relates to a three-structure-state transformation space deployable mechanism based on scissor units. The three-structure-state transformation space deployable mechanism based on scissorunits is formed by scissor units, hinges and chassises, wherein the scissor units can be converted into a first structure-state, a second structure-state or a third structure-state through unfolding or furling; the first structure-state is a triangular prism structure-state; the second structure-state is a quadrangular structure-state; the third structure-state is a pentagonal prism structure-state; the hinges include a double-revolute-pair hinge and a three-revolute-pair hinge; and one end of the double-revolute-pair hinge is connected with the chassises through pins, and the other end of thedouble-revolute-pair hinge is connected to the scissor units through pins. The three-structure-state transformation space deployable mechanism based on scissor units has the advantages of being lightin weight, being single in the component type, being large in the folding ratio, being small in the furled volume, being stable in mechanism deploying, and having variable three structure states, being able to be used as a polygonal space folding unit, and being suitable for an aerospace support frame and a planar transmitting antenna.

Description

technical field [0001] The invention relates to the field of space unfolding mechanisms, in particular to a space expandable mechanism based on three-configuration transformation of a scissors unit. Background technique [0002] With the vigorous development of the aerospace industry, the exploration of outer space has gradually deepened. Some large-scale spacecraft supports such as radar antenna supports and large-diameter space antenna supports require different types of supports to meet different aerospace needs; At present, many space unfolding mechanisms and supporting frames of spacecraft can form a space unfolding mechanism with stable deployment and large folding ratio through the array or topology of the unfolding units. [0003] Chinese patent 201210464544.1 discloses a triangular prism foldable unit and a foldable support arm composed of the foldable unit. The mechanism has a triangular prism foldable unit configuration; Chinese patent 201010176640.X discloses a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/08
Inventor 王汝贵李毅张磊张林贝子方正
Owner GUANGXI UNIV
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