The present invention provides an apparatus for automatically leveling a vehicle body of a tractor, which includes buffer cylinders installed between the vehicle body and front and rear axles of the tractor, respectively, to buffer the lifted vehicle body. The apparatus for automatically leveling a vehicle body of a tractor includes: an unloading valve controlling a hydraulic pressure by a hydraulic pump so that the hydraulic pressure is supplied when the buffer cylinders are lifted; a lifting valve and a lowering valve provided between the unloading valve and each of the buffer cylinders to lift or lower each of the buffer cylinders; and a cushion fixing valve provided between the lifting and lowering valves and each of the buffer cylinders, respectively, to fix a cushion of each of the buffer cylinders.

    본 발명은 트랙터 차체 자동 레벨링 장치에 관한 것으로, 트랙터의 차체와 전,후차축 사이에 각각 설치되어 승강되는 차체를 완충시키는 완충실린더를 포함하는 트랙터 차체 자동 레벨링 장치로서, 트랙터 차체 자동 레벨링 장치는, 유압펌프에 의한 유압을 제어하여 완충실린더의 상승시 공급되게 하는 언로딩밸브; 언로딩밸브와 각 완충실린더 사이에 구비되어 각 완충실린더를 상승 또는 하강시키는 상승밸브 및 하강밸브; 상승밸브 및 하강밸브와 각 완충실린더 사이에 각각 구비되어 각 완충실린더의 쿠션을 고정시키는 쿠션고정밸브;를 포함하는 트랙터 차체 자동 레벨링 장치를 제공한다.


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    Title :

    Auto leveling apparatus for tractor


    Additional title:

    트랙터 차체 자동 레벨링 장치


    Contributors:

    Publication date :

    2021-01-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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