The invention discloses a lifting arm structure of a motorcycle. The lifting arm structure of the motorcycle comprises a base, a lifting arm, a suspension arm and an oil cylinder, wherein the lifting arm is fixed on the base, one end of the oil cylinder is connected with the base, one end of the suspension arm is connected with the other end of the oil cylinder, the other end of the suspension arm is hinged with the top of the lifting arm and rotates by taking a hinge joint as a center, and the hinge joint is arranged on the left side of a rotary center line. The distance between the hinge joint and the rotary center line ranges from 120 to 180 cm. The distance between the hinge joint and the rotary center line is 150 cm. According to the lifting arm structure of the motorcycle, the hinge joint position of the lifting arm is arranged on the left side of the rotary center of the lifting arm, therefore, the moment arm between the hinge joint and a derricking cylinder is increased, the stress of the oil cylinder is reduced, the pressure is lowered, and the service power of the motor is reduced accordingly.


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    Title :

    Lifting arm structure of motorcycle


    Contributors:
    WANG ZILONG (author)

    Publication date :

    2016-02-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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