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Regular hexahedral symmetrical deployable mechanism unit

A mechanism unit and regular hexahedron technology, which is applied in the field of regular hexahedral symmetrical expandable mechanism units, can solve the problems of difficulty in designing a new expandable structure, limited and other problems, and achieve the effects of simple structure, high storage rate and continuous movement process.

Inactive Publication Date: 2014-06-25
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, except for the scissor-hinge unit, the types of mechanism units that can be used as the basic unit to construct deployable structures are very limited, and it is difficult to design new deployable structures.

Method used

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  • Regular hexahedral symmetrical deployable mechanism unit
  • Regular hexahedral symmetrical deployable mechanism unit
  • Regular hexahedral symmetrical deployable mechanism unit

Examples

Experimental program
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Embodiment Construction

[0019] Below in conjunction with specific embodiment and accompanying drawing, the present invention will be further described:

[0020] figure 1 It is a structural schematic diagram of a regular hexahedral symmetrical expandable mechanism unit of the present invention, which is constructed by 32 three-bar intersecting connection nodes 1 and 48 equal-length connecting rod units 2, specifically including two identical and symmetrically arranged spatial structures. type, the two space configurations are connected by connecting rod unit 2, image 3 It is a schematic diagram of a spatial configuration in the present invention, as shown in the figure, each spatial configuration is constructed by 16 three-bar intersecting connection nodes 1 and 20 connecting rod units 2, including a square 4 and a square outside the square Four hexagons 5, four hexagons 5 share a side with the square 4 respectively, two adjacent hexagons 5 share a side, and one end of the side shared by two adjacen...

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Abstract

The invention discloses a regular hexahedral symmetrical deployable mechanism unit which is composed of 32 three-rod intersected connecting nodes and 48 connecting rod units, and comprises two completely same and symmetrically-arranged spatial structures, wherein the two spatial structures are connected by using a connecting rod unit 2, and each connecting node is respectively connected with three connecting rod units by using a revolute pair. Each three-rod intersected connecting node comprises 8 first-type nodes and 24 second-type nodes, the axes of three revolute pairs of the first-type nodes constitute an equilateral triangle, and the axes of three revolute pairs of the second-type nodes constitute an isosceles right triangle. The deployable mechanism unit disclosed by the invention is just composed of connecting rods and revolute pairs, so that the deployable mechanism unit is simple in structure manufacturing and beautiful in geometric modelling, and can be folded and unfolded conveniently and repeatedly.

Description

technical field [0001] The invention relates to a mechanism and an expandable structure, in particular to a regular hexahedron symmetrical expandable mechanism unit. Background technique [0002] In the 1960s, the Spanish architect Pinero successfully introduced the idea of ​​structural unfolding-folding into the design of the folding roof (US Patent No. 3185164). Subsequently, with the rapid development of large-span space structures and aerospace technology, the research on deployable structures has become a hot topic in the fields of building structures, aerospace, military engineering, etc., and deployable structures based on scissor-hinge units are widely used. , has attracted the attention of researchers at home and abroad. The existing literature and related invention patents have studied the geometric configuration, deployability, and mechanical properties of some deployable structures composed of scissor-hinge units from the perspective of mechanism. Zeiger propos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/344
Inventor 陈耀冯健
Owner SOUTHEAST UNIV
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