The invention discloses a landing gear of a rotor unmanned aerial vehicle (UAV). The landing gear comprises a buffer cylinder, a ratchet mechanism and a pawl control circuit, wherein the upper end of the shield of the buffer cylinder is externally connected with a UAV steering engine shield, the lower end of the shield of the buffer cylinder is connected with the sleeve of the ratchet mechanism; the ratchet mechanism is provided with the sleeve, a sleeve shield, a ratchet bar, a pawl and a pawl reset spring; a pawl support is arranged on the sleeve; a ratchet bar sliding rail is arranged in the sleeve; a contact switch is arranged in the sleeve; the sleeve shield is screwed with the lower end of the sleeve; the ratchet bar extends into the sleeve and is matched with the ratchet bar sliding rail in a sliding manner; a ratchet bar support is arranged at the lower end of the ratchet bar and is in contact with the ground; ribs are arranged at two sides of the ratchet bar; the upper end of the pawl is hinged with the pawl support; the lower end of the pawl is matched with the ratchet of the ratchet bar; one end of the pawl reset spring is connected with the pawl support and the other end is connected with the pawl; the pawl control circuit is provided with a battery, a contact switch and an electromagnet; the contact switch is arranged in the inner wall of the sleeve and the electromagnet is arranged between the sleeve and the pawl of the ratchet mechanism.


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    Title :

    Landing gear of rotor unmanned aerial vehicle (UAV)


    Contributors:
    OUYANG ZHIXIAN (author) / TENG JIAN (author) / XU MINGHE (author) / ZHENG YUNLONG (author) / YOU YANCHENG (author)

    Publication date :

    2015-07-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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