The invention relates to a deorbit sail device, and belongs to the technical field of aircraft deorbit, the deorbit sail device comprises a box body, the box body comprises a top plate, a bottom plate and four right-angle side plates, the four right-angle side plates are movably arranged between the top plate and the bottom plate in a surrounding manner, the four right-angle side plates are mutually spliced to form a square, and limiting plates are fixed to the sides, close to each other, of the top plate and the bottom plate; the limiting plates can abut against the outer side walls of the right-angle side plates, a stretching mechanism is arranged in the box body and comprises two first rotating shafts rotationally installed on the top plate and two second rotating shafts rotationally installed on the bottom plate, and memory alloy rods are wound around the first rotating shafts and the second rotating shafts correspondingly. The ends, away from the first rotating shaft or the second rotating shaft, of the memory alloy rods are fixedly connected with right-angle side plates, sail bodies are fixed to the inner side edges of the right-angle side plates, and locking mechanisms for locking the stretching mechanisms and promoting mechanisms for promoting stretching of the memory alloy rods are further arranged in the box body. The memory alloy rods stretch out to enable the right-angle side plates to be away from each other to unfold the sail body.
本申请涉及一种离轨帆装置,属于飞行器离轨的技术领域,其包括箱体,箱体包括顶板、底板和四个直角侧板,四个所述直角侧板活动围设在顶板和底板之间,四个直角侧板相互拼接呈方形,顶板和底板相互靠近的一侧均固定有限位板,限位板可与直角侧板的外侧壁抵接,箱体内设有伸展机构,伸展机构包括转动安装在顶板上的两个第一转轴和转动安装底板上的两个第二转轴,第一转轴和第二转轴上均卷绕有记忆合金杆,记忆合金杆远离第一转轴或第二转轴的一端均与直角侧板固定连接,直角侧板的内侧边固定有帆体,箱体内还设有使伸展机构锁紧的锁紧机构和促进记忆合金杆伸展的促进机构,底板和顶板相互远离时,记忆合金杆伸出使直角侧板相互远离以展开帆体。
De-orbit sail device
一种离轨帆装置
2024-02-06
Patent
Electronic Resource
Chinese
IPC: | B64G Raumfahrt , COSMONAUTICS |
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