The high-precision pointing device comprises a base, a fixing plate is arranged in the center of the base, the high-precision pointing device further comprises a driving mechanism arranged on the fixing plate, the driving mechanism comprises a driving motor, a lead screw and a disc, and the driving motor, the lead screw and the disc are fixedly installed in the center of the fixing plate. The upper end of the convex column is connected with the center of the bottom of the micro-motion platform through a first spherical hinge; the device further comprises a transmission mechanism used for adjusting the micro-motion platform, the transmission mechanism comprises a sliding base installed on the lead screw, a first connecting rod hinged to the edge of the sliding base and a second connecting rod hinged to the upper end of the first connecting rod, and the upper end of the second connecting rod is connected with the bottom of the micro-motion platform through a second spherical hinge. The device is simple and compact in structure and convenient to use, mount and maintain; the pointing precision is high, the stability is good, and the high-precision pointing requirement of a spacecraft in a complex environment can be met; the service life is long, the reliability is high, and long-term stable operation of the spacecraft can be guaranteed.

    本发明公开了一种航天器用高精密指向装置,包括底座,所述底座中心位置设置有固定板,还包括设置在所述固定板上的驱动机构,所述驱动机构包括固定安装在固定板中心位置的驱动电机、丝杆和圆盘,所述凸柱的上端通过第一球铰和微动平台的底部中心连接;还包括用于对微动平台进行调节的传动机构,所述传动机构包括安装在丝杆上的滑座、铰接在滑座边缘的第一连杆和铰接在第一连杆上端的第二连杆,所述第二连杆的上端通过第二球铰和微动平台的底部连接。本发明结构简单、紧凑,使用方便,便于安装和维护;指向精度高、稳定性好,可满足航天器在复杂环境中的高精度指向需求;使用寿命长、可靠性高,能够保证航天器的长期稳定运行。


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    Title :

    High-precision pointing device for spacecraft


    Additional title:

    一种航天器用高精密指向装置


    Contributors:
    LOU JIAMING (author) / ZHAO YANWEN (author) / ZHANG QIANG (author)

    Publication date :

    2024-05-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS / G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein



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