A steering device for a wheel loader includes a handle for steering, a lever for steering, a steering cylinder, a steering valve that controls a direction of operating fluid to the steering cylinder, a pump that supplies operating fluid to the steering cylinder via the steering valve, and a return oil passage connected to a tank. The steering device further includes a handle control valve that controls the supply direction of the operating fluid according the handle, a lever electromagnetic control valve that controls the supply direction of operating fluid according to the lever, and a handle prioritization valve that shuts off a pilot hydraulic pressure supplied from the lever electromagnetic control valve to the steering valve according to a pressure produced by operating fluid flowing through the handle control valve when the handle is operated. The handle prioritization valve includes a throttle arranged in the return oil passage.


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    Titel :

    STEERING DEVICE FOR WHEEL LOADER


    Beteiligte:
    IMANISHI KOTA (Autor:in) / CHIKUGO HIROYUKI (Autor:in) / HORI SHUUJI (Autor:in) / AKASHI MITSUMASA (Autor:in) / HASEBE AKIRA (Autor:in) / AKUSHICHI SHUKI (Autor:in) / TAKAMATSU NOBUMASA (Autor:in)

    Erscheinungsdatum :

    2015-09-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    E02F Baggern , DREDGING / B62D MOTOR VEHICLES , Motorfahrzeuge



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