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, and a pump that supplies operating fluid to the steering cylinder via the steering valve. 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 switching valve and a priority control valve switchable between a handle stage and a lever stage.


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    Title :

    STEERING DEVICE FOR WHEEL LOADER


    Contributors:

    Publication date :

    2015-09-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



    Steering device for wheel loader

    IMANISHI KOTA / CHIKUGO HIROYUKI / HORI SHUUJI et al. | European Patent Office | 2015

    Free access

    Steering device for wheel loader

    IMANISHI KOTA / CHIKUGO HIROYUKI / HORI SHUUJI et al. | European Patent Office | 2016

    Free access

    STEERING DEVICE FOR WHEEL LOADER

    IMANISHI KOTA / CHIKUGO HIROYUKI / HORI SHUUJI et al. | European Patent Office | 2015

    Free access

    Steering device for wheel loader

    IMANISHI KOTA / CHIKUGO HIROYUKI / HORI SHUUJI et al. | European Patent Office | 2016

    Free access

    STEERING DEVICE FOR WHEEL LOADER

    IMANISHI KOTA / CHIKUGO HIROYUKI / HORI SHUUJI et al. | European Patent Office | 2015

    Free access