The invention relates to a ground transportation device, in particular to an electric fork truck. The electric fork truck comprises a frame, a driving system and an operating system, wherein the driving system and the operating system are arranged on the frame. The driving system comprises a driving assembly arranged at the lower end of the frame, a universal wheel assembly and driven wheel sets arranged at the ends of two forks respectively. The driving wheel assembly and the universal wheel assembly correspond to the two driven wheel sets respectively. During using, active driving and steering are achieved through driving wheels, inactive driving of universal wheels and the two driven wheel sets is achieved, the universal wheels can be used for being matched with the driving wheels for steering, the stability of fork truck driving can be improved through four-wheel driving, and the driving dead weight capacity of the fork truck can be increased.


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    Title :

    Electric fork truck


    Contributors:
    ZHANG HANZHANG (author) / FAN YONG (author)

    Publication date :

    2015-09-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



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