The invention discloses an aerial work platform. The aerial work platform comprises a rotary table, a folding arm, a main arm and a work platform body, wherein the rotary table, the folding arm, the main arm and the work platform body are sequentially hinged together. The aerial work platform further comprises a leveling connection rack, a main arm upward leveling oil cylinder, a main arm downward leveling oil cylinder, a folding arm upward leveling oil cylinder and a folding arm downward leveling oil cylinder. A rod cavity of the folding arm downward leveling oil cylinder is communicated with a rod cavity of the folding arm upward leveling oil cylinder, and a rodless cavity of the folding arm downward leveling oil cylinder is communicated with a rodless cavity of the folding arm upward leveling oil cylinder. A rod cavity of the main arm downward leveling oil cylinder is communicated with a rod cavity of the main arm upward leveling oil cylinder, and a rodless cavity of the main arm downward leveling oil cylinder is communicated with a rodless cavity of the main arm upward leveling oil cylinder. A heavy and big connection body is replaced by the leveling connection rack of a small structure, a hinge point of a main arm variable-amplitude oil cylinder is arranged conveniently, and both the cylinder diameter and the rod diameter of the main arm variable-amplitude oil cylinder can be greatly decreased. Meanwhile, two hydraulic leveling mechanisms are used for leveling, errors are effectively reduced, the leveling effect is improved, and accordingly the overall structure is simple and stable, the manufacturing cost is reduced, and a good leveling effect is achieved.


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    Titel :

    Aerial work platform


    Beteiligte:
    LIU GUOLIANG (Autor:in) / CAI ZHONGGUI (Autor:in)

    Erscheinungsdatum :

    24.02.2016


    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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