The invention relates to the technical field of aviation equipment, and discloses an electromechanical actuator which comprises a machine shell, an outer stator, a rotor, an inner stator, a screw rod, a sleeve and an actuating cylinder, the outer stator is fixed in the machine shell, the rotor is coaxially inserted in the outer stator, the rotor is provided with a mounting shaft and a rotating shaft, and the screw rod is arranged in the mounting shaft. The mounting shaft is rotationally connected with the machine shell, a first mounting cavity is formed in the rotor, the inner stator is arranged in the first mounting cavity, the inner stator and the rotor are coaxially arranged and fixedly connected with the machine shell, the sleeve is fixed to the front end of the machine shell, the screw and the rotor are coaxially arranged, and the screw and the rotor are coaxially arranged. The rotating shaft is arranged in the sleeve and arranged in the sleeve, the screw rod is connected with the rotating shaft, the actuating cylinder is inserted in the sleeve in a sliding mode, and a ball nut in threaded connection with the screw rod is arranged in the actuating cylinder. The device is high in reliability and small in overall weight.

    本发明涉及航空设备技术领域,公开了一种机电作动器,包括机壳、外定子、转子、内定子、螺杆、套筒以及作动筒,所述外定子固定在所述机壳内,所述转子同轴地插设在所述外定子的内部,所述转子设有安装轴和转动轴,所述安装轴与所述机壳转动连接,所述转子的内部设有第一安装腔,所述内定子设于所述第一安装腔内,所述内定子与所述转子同轴设置,且与所述机壳固定连接,所述套筒固定在所述机壳的前端,所述螺杆与所述转子同轴设置,且设于所述套筒内,所述螺杆与所述转动轴连接,所述作动筒可滑动地插设在所述套筒内,所述作动筒内设有与所述螺杆螺纹连接的滚珠螺母。本发明可靠性高,整体重量较小。


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    Title :

    Electromechanical actuator


    Additional title:

    一种机电作动器


    Contributors:
    YAN LIANG (author) / LIU XIAOSHUAI (author) / XIANG PENGJU (author) / HE XINGHUA (author) / DU NANNAN (author)

    Publication date :

    2024-04-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B64C AEROPLANES , Flugzeuge



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