The invention discloses a solar panel repeatable unfolding and folding mechanism based on shape memory variable stiffness joints, and belongs to the technical field of spaceflight unfolding and folding mechanism locking. The two output shafts of the double-shaft motor are coaxially and fixedly connected with the connecting shafts respectively, the shape memory variable-rigidity joints are attached to the outer side faces of the connecting shafts in a winding mode, the shape memory variable-rigidity joints are fixedly connected with the upper surfaces and the lower surfaces of one ends of the two solar panels which are stacked up and down, and the two end fixing pieces are installed at the outer ends of the connecting shafts respectively. The end fixing piece located on the inner side of the two end fixing pieces is annularly arranged on the connecting shaft in a sleeving mode and fixedly connected with the solar panel located on the lower portion, and the end fixing piece located on the outer side of the two end fixing pieces is fixedly arranged on the connecting shaft in a sleeving mode and fixedly connected with the solar panel located on the upper portion. By means of the mechanism capable of being repeatedly unfolded and folded, the solar panel can be repeatedly unfolded and folded, a motor does not need to control the folded and unfolded locking state all the time, and the mechanism has the advantages of being low in power consumption, simple in structure, controllable in unfolding, stable in locking state and the like.

    基于形状记忆变刚度关节的太阳能帆板可重复展收机构,属于航天展收机构锁定技术领域。双轴电机的两个输出轴各与一个连接轴同轴固定连接,每个连接轴外侧面贴绕有形状记忆变刚度关节,形状记忆变刚度关节与两个上下叠放的太阳能帆板一端的上下表面固定连接,每个连接轴的外端均装有两个端部固定件,两个端部固定件中位于内侧的端部固定件环套装在连接轴上,并与位于下面的太阳能帆板固定连接,两个端部固定件中位于外侧的端部固定件固定套装在连接轴上,并与位于上面的太阳能帆板固定连接。利用本发明的可重复展收机构可使太阳能帆板可重复展收,无需电机一直控制收拢和展开的锁定状态,并具有功耗低、结构简单、展开可控、锁定状态稳定等特点。


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    Title :

    Solar panel repeatable unfolding and folding mechanism based on shape memory variable stiffness joint


    Additional title:

    基于形状记忆变刚度关节的太阳能帆板可重复展收机构


    Contributors:
    LIU YANJU (author) / LIU ZHENGXIAN (author) / LIU LIWU (author) / ZHANG FENGHUA (author) / LI FENGFENG (author) / LENG JINSONG (author)

    Publication date :

    2024-06-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS



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