Method for determining balance form of tensioned integral structure

A technique of tensioning the overall structure and balance form, which is applied in special structures, machine/structural component testing, static/dynamic balance testing, etc. Small amount, easy to realize, and guarantee the effect of mechanical properties

Pending Publication Date: 2020-01-17
SHANGHAI JIAOTONG UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the method of calculating and determining the equilibrium prestress is not clear

Method used

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  • Method for determining balance form of tensioned integral structure
  • Method for determining balance form of tensioned integral structure
  • Method for determining balance form of tensioned integral structure

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Embodiment Construction

[0046] The following describes a preferred embodiment of the present invention with reference to the accompanying drawings to make its technical content clearer and easier to understand. The present invention can be embodied in many different forms of embodiments, and the protection scope of the present invention is not limited to the embodiments mentioned herein.

[0047] In the drawings, components with the same structure are denoted by the same numerals, and components with similar structures or functions are denoted by similar numerals. The size and thickness of each component shown in the drawings are shown arbitrarily, and the present invention does not limit the size and thickness of each component. In order to make the illustration clearer, the thickness of parts is appropriately exaggerated in some places in the drawings.

[0048] like figure 1 As shown, the embodiment of the present invention provides a method for determining the equilibrium shape of a tensegrity s...

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Abstract

The invention discloses a method for determining a balance form of a tensioned integral structure. The method comprises the following steps: determining a critical bending moment borne by the tensioned integral structure; calculating the tension of the longitudinal pull rod; calculating the pressure of the longitudinal compression part; calculating the stretching length of the longitudinal pull rod, and calculating the unstressed length of the longitudinal pull rod; calculating the compression length of the longitudinal compression part, and calculating the unstressed length of the longitudinal compression part; calculating the stress and the radial deformation of the annular compression part; and calculating the positioning length and the manufacturing length of the longitudinal pull rodand the longitudinal compression part. The method provided by the invention can quickly and effectively determine the prestress balance morphological stress and the unstressed length of the tension-compression component, and provides a basis for manufacturing and installation; the prestress level is reasonable and feasible, and the overall stress requirement of the structure can be met; the lengthand the manufacturing length of the tension-compression component are determined, so that the tension integral structure integration is easily realized, and the prestress balance morphological mechanical property is ensured; the method is simple, efficient, small in calculation amount and easy to implement.

Description

technical field [0001] The invention relates to the field of engineering structure design and analysis, in particular to a method for determining the equilibrium form of a tensioned integral structure. Background technique [0002] The tensegrity structure is a tension self-balancing system composed of separate compression members and continuous tension members, with the least total number of members, the least compression members, the lowest redundancy and mechanism freedom, and the weight is ultra-light , giving full play to the strength of materials, is currently a research hotspot in many engineering technologies and cutting-edge cross-fields such as aerospace, building structures, sculpture art, intelligent robots, and molecular structural biology. [0003] The shape and stiffness of the tensegrity structure are maintained and produced by the prestress, and the equilibrium shape is the basis. Therefore, the calculation and determination of the prestress of the balance s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20E04B1/34
CPCE04B1/3408E04B1/19E04B2001/1996G01L5/16G01N3/08G01N3/20
Inventor 陈务军胡建辉赵兵杨钧徐建东
Owner SHANGHAI JIAOTONG UNIV
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