The invention discloses a helicopter and a direct drive rotor dynamic device thereof. The direct drive rotor dynamic device of the helicopter comprises an engine, a clutch, a separation arm and a control motor, wherein the engine comprises an engine box and an engine crankshaft positioned in the engine box; the clutch is movably arranged in the engine box among a joint position jointed with the engine crankshaft, a semi-linkage position semi-jointed with the engine crankshaft and a separation position separated from the engine crankshaft; a separator is rotationally arranged in the engine box so as to drive the clutch to move among the joint position, the semi-linkage position and the separation position; and the control motor is arranged on the outer wall of the engine box and is in transmission connection with the separation arm. According to the direct drive rotor dynamic device of the helicopter disclosed by the embodiment of the invention, the empty weight of the helicopter can be lightened, the engaging state of the clutch is controlled at any time, variable rotor speed and high-speed warming of the clutch which is not engaged can be realized, and the device has the advantages of compact structure, high reliability, long service life and the like.


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    Title :

    Helicopter and direct drive rotor dynamic device thereof


    Contributors:
    WANG HAOWEN (author) / JIANG CHEN (author) / ZHANG YUWEN (author)

    Publication date :

    2015-04-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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