Beam type lattice structure and micro-truss structure thereof

A lattice structure and micro-truss technology, applied in the direction of fuselage frame, aircraft parts, fuselage, etc., can solve the problems of large local rod bearing, overall instability, fracture at connecting nodes, etc., to avoid overall instability phenomenon, high stability effect

Pending Publication Date: 2020-11-17
SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA
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  • Abstract
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Problems solved by technology

[0004] Based on the existing beam lattice structure, such as figure 1 As shown, the micro-truss structure has high load-bearing efficiency for the load perpendicular to the skin, but when the load is applied unevenly or deviates from the vertical direction, it is easy to cause the local members to bear a large load, fracture at the connection node, and occur total instability

Method used

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  • Beam type lattice structure and micro-truss structure thereof
  • Beam type lattice structure and micro-truss structure thereof
  • Beam type lattice structure and micro-truss structure thereof

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[0030] In order to make the technical solution of the present application and its advantages clearer, the technical solution of the present application will be further clearly and completely described in detail below in conjunction with the accompanying drawings. It can be understood that the specific embodiments described here are only part of the application Examples are only used to explain the present application, not to limit the present application. It should be noted that, for the convenience of description, only the parts related to the present application are shown in the drawings, and other relevant parts can refer to the general design. In the case of no conflict, the embodiments in the application and the technologies in the embodiments Features can be combined with each other to obtain new embodiments.

[0031] In addition, unless otherwise defined, the technical terms or scientific terms used in the description of the application shall have the usual meanings und...

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Abstract

The invention particularly relates to a beam type lattice structure which comprises a plurality of cell units connected with one another; each cell unit comprises eight unit cell structures which areconnected with each other; and each unit cell structure comprises six rod pieces which are connected with one another to form a tetrahedron. In addition, the invention also relates to a micro-truss structure, which comprises two layers of skins which are oppositely arranged; the beam type lattice structure is arranged between the two layers of skins in a supporting mode.

Description

technical field [0001] The application belongs to the technical field of micro-truss structure design, and in particular relates to a beam-type lattice structure and a micro-truss structure thereof. Background technique [0002] The micro-truss structure is composed of two opposite skins and a beam-type lattice structure supported between the two skins. When bearing a load, the two opposite skins can play a role in dispersing the load. The main load is transmitted and carried by the beam lattice structure supported between them. [0003] The beam lattice structure is composed of multiple interconnected cell units. Each cell unit is a plane or space structure with a certain shape composed of multiple rods connected to each other. The rods can effectively transmit and bear axial loads. Based on Therefore, the strength of the material can be fully utilized in the micro-truss structure, which has greater rigidity and relatively light weight. [0004] Based on the existing beam...

Claims

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Application Information

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IPC IPC(8): B64C1/06
CPCB64C1/064
Inventor 王向明玄明昊吴斌
Owner SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA
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