Structural Design and Analysis of a Deployable Parabolic-cylinder Antenna

被引：0
|
作者：
Qin B. [1 ]
Lü S. [1 ]
Liu Q. [1 ]
Ding X. [1 ]
机构：
[1] School of Mechanical Engineering and Automation, Beihang University, Beijing
来源：
Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2020年 / 56卷 / 05期
关键词：
Configuration design; Deployable antenna; Kinematic analysis; Parabolic cylinder; Rocker-slider mechanism;
D O I：
10.3901/JME.2020.05.100
中图分类号：
学科分类号：
摘要：
A deployable parabolic-cylinder antenna can be used in satellite systems to realize functions such as wireless communication, deep space exploration, and space target search. In recent years, with the rapid development of the aerospace industry, the requirements of surface accuracy for space antennas are getting higher and higher. A deployable mesh parabolic cylindrical antenna mechanism is proposed and designed. The mechanism consists of a mesh support mechanism, a cable, a wire mesh, an axial drive and locking device, a radial drive and a positioning and locking device. The mesh support mechanism is constructed by linking radial and axial deployable mechanisms. In the research, a novel type of planar deployable mechanism is proposed as the component of the radial deployable mechanism to realize the radial expansion. The equivalent mechanism of the expandable mechanism is optimized. The design of the axial display mechanism is realized by linking the scissor linkages. The drive component design of the deployable mesh parabolic cylindrical antenna is performed. The CAD model of the proposed mechanism is built in Solidworks, and the model of the support mechanism is kinematically simulated. © 2020 Journal of Mechanical Engineering.
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页码：100 / 107
页数：7
相关论文
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