The invention discloses a universal joint-based space camera ground aiming mechanism, which comprises a base, a space camera, a connecting rod, a cross shaft universal joint and a driving device, one end of the cross shaft universal joint is mounted on the base, the other end of the cross shaft universal joint is rotatably connected with one end of the connecting rod, and the other end of the connecting rod is rotatably connected with the driving device; the other end of the connecting rod is connected with the space camera; after the satellite is in orbit, the driving device drives the space camera and the connecting rod to rotate around two shafts of the cross shaft universal joint within the range of 0-180 degrees and/or rotate around the connecting rod within the range of 0-360 degrees. The mechanism is simple in structural form, low in cost and suitable for commercial popularization; moreover, the space camera has multiple motion freedom degrees and large motion space envelope, and is a hemispherical space. In addition, disturbance of the space camera to the satellite body in the large-angle movement process is small.

    本发明公开了一种基于万向节式的空间相机对地瞄准机构,包括:底座、空间相机、连接杆、十字轴万向节和驱动装置,所述十字轴万向节的一端安装在所述底座上,所述十字轴万向节的另一端与所述连接杆的一端转动连接,所述连接杆的另一端连接有所述空间相机;卫星在轨后,所述驱动装置驱动所述空间相机和所述连接杆绕所述十字轴万向节的两个轴分别进行0‑180°范围内的转动,和/或绕所述连接杆自身进行0‑360°范围内的转动。该机构不仅结构形式简单、成本低,适合商业推广;而且,空间相机的运动自由度多,运动空间包络大,为一个半球空间。另外,空间相机在大角度运动过程中对卫星本体的扰动较小。


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    Titel :

    Ground aiming mechanism of space camera based on universal joint


    Weitere Titelangaben:

    一种基于万向节式的空间相机对地瞄准机构


    Beteiligte:
    WANG YANG (Autor:in) / WANG LEI (Autor:in) / ZHANG TAO (Autor:in)

    Erscheinungsdatum :

    2022-07-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B64G Raumfahrt , COSMONAUTICS / F16M Rahmen, Gehäuse oder Grundplatten von Kraftmaschinen oder anderen Maschinen oder von Apparaten, nicht auf eine besondere Art von Maschine oder Apparat eingeschränkt, die anderweitig vorgesehen ist , FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE



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