The invention relates to a crank arm type lifting device of an aerial work platform, which comprises a hoisting arm assembly and a work platform part, wherein the hoisting arm assembly comprises a folding arm assembly, a telescopic arm assembly and a four-link leveling arm assembly; the folding arm assembly comprises a first connecting piece, a second connecting piece, a third connecting piece, a first connecting arm, a second connecting arm, a third connecting arm, a first balancing rod, a second balancing rod and a lifting air cylinder; and a horizontal sensor is arranged on the work platform part. The crank arm type lifting device can ensure that the work platform part is kept balanced in a lifting process all the time; the lifting height of the aerial work platform is increased on the basis of ensuring the stability; the aerial horizontal swinging adjustment function of the aerial work platform is improved; and the whole crank arm type lifting device is more flexible to use.


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    Titel :

    Crank arm type lifting device of aerial work platform


    Beteiligte:
    XU SHUGEN (Autor:in)

    Erscheinungsdatum :

    2015-11-11


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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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