异型载荷适配器工艺方案及精度测量方法研究

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英文篇名：Study on processing scheme and precision measurement method of payload adapter with irregular shape 作者：杨自鹏 ; 刘敏 ; 周佑君 ; 董鹏 ; 杨传成 英文作者：Yang Zipeng;Liu Min;Zhou Youjun;Dong Peng;Yang Chuancheng;Beijing Institute of Astronautical Systems Engineering;Capital Aerospace Machinery Corporation Limited; 关键词：精测 ; 激光跟踪仪 ; 工艺方案 ; 异型 ; 载荷适配器 英文关键词：precision measurement;;laser tracker;;processing plan;;irregular shape;;payload adapter 中文刊名：HWYJ 英文刊名：Infrared and Laser Engineering 机构：北京宇航系统工程研究所;首都航天机械有限公司; 出版日期：2019-04-25 出版单位：红外与激光工程 年：2019 期：v.48 基金：装备预先研究基金(30502030101) 语种：中文; 页：HWYJ2019S1011 页数：6 CN：S1 ISSN：12-1261/TN 分类号：78-83

摘要

为适应新型航天器的功能需要,载荷适配器的结构也越来越复杂。针对某航天器的结构特点进行异型载荷适配器设计,为抵消某再入航天器的质心大偏移量,实现分离设计的自调平。在分析铆接技术和增材制造技术特点的基础上,对铆接和增材制造两种不同的工艺方案进行对比分析。结合异型载荷适配器实际制造精度测量需要,选用激光跟踪测量技术作为精度测量的方法。通过在某型上面级发动机喷管安装后轴线测量的应用案例分析可知,基于激光跟踪仪及最小二乘法的测量及数据处理方法,可应用在异型载荷适配器的精度测量中,所得的精确数据可作为后续分离设计时分离弹簧选配的依据。
        The structure of the payload adapter was becoming more and more complex to meet the needs of the new spacecraft. In order to offset the large deviation of the center of mass of a reentry spacecraft and realize the self-leveling of separation design, a payload adapter with irregular shape was designed according to the structural characteristics of a reentry spacecraft. Based on the analysis of the characteristics of riveting technology and additive manufacturing technology, two different process schemes of riveting and additive manufacturing were compared and analyzed. According to the actual manufacturing precision measurement needs of the payload adapter with irregular shape, laser tracking measurement technology was selected as the precision measurement method. Through the application case analysis of axis measurement after the installation of a certain type of upper-stage engine nozzle, it can be seen that the measurement and data processing method based on laser tracker and least square method could be applied to the payload adapter with irregular shape. And the obtained accuracy data could be used as the basis for the separation of spring selection in the subsequent separation design.

引文

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