The invention belongs to the technical field of solar wings, and discloses a passive unfolding mechanism which comprises a bearing part, a rotating shaft, a curling arm and an abutting assembly. The rotating shaft is rotationally arranged on the bearing piece. One end of the curling arm is fixed to the rotating shaft, the curling arm can be wound to the rotating shaft, elastic potential energy is stored after the curling arm is wound, and the elastic potential energy is used for driving the rotating shaft to rotate so as to unfold the curling arm. The abutting assembly is arranged on the bearing piece, and the abutting assembly is configured to abut against the curling arm when the curling arm is unfolded, so that resistance is applied to the curling arm. According to the passive unfolding mechanism provided by the invention, the curling arm is wound through the rotating shaft, and the curling arm can be unfolded or folded by rotating the rotating shaft, so that the solar wing adopting the unfolding mechanism is simple in overall structure, small in size and capable of meeting the space requirement of a small spacecraft. The passive unfolding mechanism provided by the invention does not need to be powered by a motor, and is simple in structure and low in use cost.

    本发明属于太阳翼技术领域,公开了一种无源展开机构,其包括承载件、转动轴、卷曲臂以及抵压组件。转动轴转动设置于承载件上。卷曲臂一端固定于转动轴上,卷曲臂能够卷绕至转动轴上,且卷曲臂卷绕后储存有弹性势能,弹性势能用于驱动转动轴转动,以展开卷曲臂。抵压组件设置于承载件上,抵压组件被配置为在卷曲臂展开时抵压卷曲臂,从而对卷曲臂施加阻力。本发明提供的无源展开机构通过转动轴卷绕卷曲臂,转动转动轴即可展开或收拢卷曲臂,从而使得采用上述展开机构的太阳翼,整体结构简单、体积小,能够满足小型航天器的空间需求。本发明提供的无源展开机构无需由电机提供动力,结构简单,使用成本低。


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    Title :

    Passive unfolding mechanism


    Additional title:

    一种无源展开机构


    Contributors:
    ZHENG HAO (author) / JIN YAFANG (author) / NI JIAWEI (author) / LI GUOQIANG (author) / WU GUIFEN (author)

    Publication date :

    2025-04-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS



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