Design of a truss bar system structure

Abstract

The invention relates to a truss rod system structure design, which belongs to the technical field of spacecraft structures. The invention relates to the design of the truss bar system structure, and is suitable for the specific bar structure design and the realization of the ground assembly process of the spacecraft including the complex bar system structure. According to the application characteristics and load-bearing and assembly requirements of the complex bar system structure, the present invention aims at the composition of the typical spacecraft bar system structure body, through the special design of the connecting distance between the small joint of the bar and the large joint of the bar, and the connection between the small joint of the bar and the bar. The disassembly and assembly scheme design of the large joints, as well as the design of the bonding and curing timing of the rod body and the small joints at both ends, obtain a truss rod structure that meets the requirements of large structural load and complex assembly in a limited space at the same time, and has the ability to adapt to the structural force transmission path. The truss bar structure combination is easy to realize the special application requirements of modularization and structural expansion.

Description

technical field [0001] The invention belongs to the spacecraft structure technology, and in particular relates to a truss rod system structure design which can be used in complex truss structures and has higher connection precision requirements. Background technique [0002] Rod structure is one of the main forms of spacecraft structure. The most typical applications include the main trusses of the International Space Station and Freedom Space Station, the trusses inside the Hubble Space Telescope, and some secondary structures on the spacecraft. , such as the support truss of the planar array antenna, the connecting frame of the solar cell array, etc. In the application of bar structure, it is divided into truss structure and rigid frame structure. Due to design and process constraints, the actual bar structure is rarely a real truss structure. Nevertheless, considering that the bearing advantage of the bar system lies in its ability to withstand tension and compression l...

AI Technical Summary

Problems solved by technology

[0009] The technical problem solved by the present invention is: under the limited assembly space of the complex rod system structure, the requirements of large number of rods, complex installation orientation of rods, high-precision assembly and large load-bearing force transmission must be met at the same time.

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