双圈六面体环形桁架式可展开天线结构设计

doi:10.3901/JME.2020.05.218

机械工程学报 ›› 2020, Vol. 56 ›› Issue (5): 218-225.doi: 10.3901/JME.2020.05.218

• 航天重器——空间大型可展机构与装备专刊 • 上一篇下一篇

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双圈六面体环形桁架式可展开天线结构设计

吴新燕¹, 关富玲²

1. 浙江农林大学暨阳学院诸暨 311800;
2. 浙江大学建筑工程学院杭州 310058

收稿日期:2019-04-02 修回日期:2019-08-30 出版日期:2020-03-05 发布日期:2020-04-23
通讯作者: 关富玲(通信作者),女,1945年出生,博士,教授,博士研究生导师。主要研究方向为空间可展开结构、大跨空间结构。E-mail:ciegfl@zju.edu.cn
作者简介:吴新燕,女,1976年出生,博士。主要研究方向为空间结构、可展开结构、钢结构。E-mail:xinyan@zju.edu.cn
基金资助:
浙江省自然科学基金（GF18E080016）和浙江农林大学暨阳学院人才启动资助项目。

Design of Deployable Antenna of Double-loop Hexahedron Truss

WU Xinyan¹, GUAN Fuling²

1. Jiyang College, Zhejiang A&F University, Zhuji 311800;
2. College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058

Received:2019-04-02 Revised:2019-08-30 Online:2020-03-05 Published:2020-04-23

摘要/Abstract

摘要： 分析双圈六面体环形桁架可展开结构的展开原理，计算完全展开状态下结构振动频率，说明结构具有较好的刚度。进行展开过程动力学计算，优化展开驱动机构、节点、驱动方式及连杆等结构模型的设计，制作缩比模型，试验证明结构能顺利展开，从而验证模型设计的有效性。计算分析和试验结果表明：双圈六面体环形桁架式可展开天线结构形式简单，收缩比小，具有较好的刚度，在扭簧和电动机拉索力驱动下，能顺利展开，可作为可展开天线结构的有效支撑形式。

关键词: 环形桁架, 空间可展开结构, 动力学计算, 同步齿轮, 节点

Abstract: Deployable principle of the double-loop deployable truss antenna is analyzed. The vibrated frequency of the fully deployable structure is calculated. It is illustrated that this structure had strong stiffness. The dynamic analysis of the deployable process is built. In additional, it is optimal designed that driving devices of the deployment, node, driving style and link bar, etc. The model is established. The experiment results indicate that the models can deployable frequently, thus the feasibility of the device is verified. On the basis of the contrast tests of the analysis, deployable antenna of the double-loop truss antenna possesses the property of the simple form, higher shrinkage ratio and strong stiffness. It is verified the structure can deploy smoothly under driving of torsional spring and motor cable force, and it can be used as an effective support of deployable antenna.

Key words: loop-ring truss, space deployment, dynamic simulation, synchronous gear, node

中图分类号:

TU31

吴新燕, 关富玲. 双圈六面体环形桁架式可展开天线结构设计[J]. 机械工程学报, 2020, 56(5): 218-225.

WU Xinyan, GUAN Fuling. Design of Deployable Antenna of Double-loop Hexahedron Truss[J]. Journal of Mechanical Engineering, 2020, 56(5): 218-225.

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双圈六面体环形桁架式可展开天线结构设计

Design of Deployable Antenna of Double-loop Hexahedron Truss

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