地基大口径望远镜主镜主动支撑系统综述  

Review on active support system of large ground-based telescope primary mirror

作　　者：胡佳宁[1,2] 董吉洪[1] 周平伟[1] HU Jia-ning DONG Ji-hong ZHOU Ping-wei(Changchun Institute of Optics,Fine Mechanics and Physics, Chinese Academy of Science, Changchun 130033 ,China University of Chinese Academy of Science, Beijing 100049, China)

机构地区：[1]中国科学院长春光学精密机械与物理研究所,吉林长春130033 [2]中国科学院大学,北京100049

出　　处：《激光与红外》2017年第1期5-12,共8页Laser & Infrared

基　　金：国家自然科学基金项目(No.60507003)资助

摘　　要：主动支撑技术作为地基大口径望远镜建造的核心技术,直接影响望远镜的观测能力,一直以来备受关注。文章系统性地总结了地基大口径望远镜主镜的定位系统和支撑系统。定位系统包括三点硬点定位、六杆硬点定位;支撑系统包括采用不同促动器结构的轴向支撑系统及采用"竖直推-拉"、"斜向推-拉"和"推-拉-剪"形式的径向支撑系统。文章还结合了国外采用主动支撑结构的大口径望远镜,对其主动支撑技术进行了详细介绍和总结分析,希望为大口径望远镜主镜主动支撑设计提供一定的经验参考。Active support is a core technology of large ground-based telescope ,which directly affect its observation ca- pability, so it has attracted much attention all the time. The positioning system and support system of large ground- based telescope were summarized systematically. The positioning system contains three hard points and six hard points;The support system includes axial support with different types of actuators and radial support with different forms which contains ＂vertical push-pull support＂,＂ slant push-pull＂ and ＂push-pull-shear＂. The active support technologies of some foreign typical large telescopes are introduced and analyzed, which may provide a certain reference for active support design.

关 键 词：大口径望远镜 主镜 主动光学 主动支撑 

分 类 号：TH743[机械工程—光学工程]