一种全封闭蒙皮点阵支撑结构的优化设计与试验验证

doi:10.3901/JME.2021.22.035

机械工程学报 ›› 2021, Vol. 57 ›› Issue (22): 35-42.doi: 10.3901/JME.2021.22.035

• 特邀专栏：耦合材料-结构的设计与评估方法 • 上一篇下一篇

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一种全封闭蒙皮点阵支撑结构的优化设计与试验验证

张龙¹, 李昂¹, 赵云鹏¹, 曹哲², 曾惠忠¹, 周浩¹, 陈耕³, 张啸雨¹

1. 北京空间飞行器总体设计部北京 100094;
2. 中国航天科工集团有限公司北京 100048;
3. 北京交通大学机械与电子控制工程学院北京 100091

收稿日期:2020-12-10 修回日期:2021-11-09 出版日期:2021-11-20 发布日期:2022-02-28
通讯作者: 张啸雨(通信作者),男,1984年出生,硕士,高级工程师。主要研究方向为航天器结构设计、结构优化方法和三维点阵结构技术。E-mail:xiaoyuzh.001@hotmail.com
作者简介:张龙,男,1988年出生,博士,工程师。主要研究方向为航天器结构设计。E-mail:baomu-kk@163.com
基金资助:
国家重点研发计划资助项目（2018YFB1106300）。

Optimal Design and Experimental Verification of an Enclosed Skin Lattice Support Structure

ZHANG Long¹, LI Ang¹, ZHAO Yunpeng¹, CAO Zhe², CENG Huizhong¹, ZHOU Hao¹, CHEN Geng³, ZHANG Xiaoyu¹

1. Beijing Institute of Spacecraft System Engineering, Beijing 100094;
2. China Aerospace Science and Industry Corporation, Beijing 100048;
3. School of Mechanical and Electronic Control Engineering, Beijing Jiaotong University, Beijing 100091

Received:2020-12-10 Revised:2021-11-09 Online:2021-11-20 Published:2022-02-28

摘要/Abstract

摘要： 随着人类航天活动范围的不断扩大，复杂航天任务对于结构轻量化技术提出了更高的要求。在传统的结构形式基础上，单纯通过应用高性能材料等手段已经无法满足后续航天任务对于航天器载荷支撑结构轻量化的要求。提出一种封闭蒙皮包裹三维点阵层级结构的设备支撑结构形式，建立设备支撑结构的拓扑优化设计模型，并对优化后的结构进行封闭蒙皮包裹三维点阵化设计。运用激光选区熔化方法制备了支撑结构实物，并进行了振动力学试验验证，试验结果表明设备支撑结构比采用传统设计及制造方法的结构减重46.4%，实物已应用于某型号卫星载荷支撑任务。提出的封闭蒙皮包裹三维点阵的结构形式可以有效提高支架类结构的设计效率，在航天器结构轻量化方面具有推广应用前景。

关键词: 激光选区熔化, 拓扑优化, 三维点阵, 支撑结构, 刚度

Abstract: With the continuous expansion of human space activities, complex missions have put forward higher requirements for structural lightweight technology. On the basis of traditional structure, the approach including the application of high-performance materials can hardly meet the requirement of lightweight structures. A new type of load support structure with an enclosed skin-wrapped three-dimensional lattice hierarchical structure is propsed, a topological optimization design model of the structure is established, and a design on the optimized structure is performed. The physical structure is prepared by the additive manufacturing method of selective laser melting (SLM), and the dynamic test verification is carried out. The results show that the optimal load support structure is 46.4% lighter than the traditional one. And it has already applied to a certain satellite load support mission. The proposed enclosed skin wrapped three-dimensional lattice structure can effectively improve the design efficiency of stent-like structures, and has the prospect of popularization and application in the lightweight of spacecraft structures.

Key words: selective laser melting(SLM), optimal design, 3-dimensional lattice, load support structure, stiffness

中图分类号:

TG156

张龙, 李昂, 赵云鹏, 曹哲, 曾惠忠, 周浩, 陈耕, 张啸雨. 一种全封闭蒙皮点阵支撑结构的优化设计与试验验证[J]. 机械工程学报, 2021, 57(22): 35-42.

ZHANG Long, LI Ang, ZHAO Yunpeng, CAO Zhe, CENG Huizhong, ZHOU Hao, CHEN Geng, ZHANG Xiaoyu. Optimal Design and Experimental Verification of an Enclosed Skin Lattice Support Structure[J]. Journal of Mechanical Engineering, 2021, 57(22): 35-42.

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一种全封闭蒙皮点阵支撑结构的优化设计与试验验证

Optimal Design and Experimental Verification of an Enclosed Skin Lattice Support Structure

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