Construction machinery according to an embodiment of the present disclosure includes: a cabin in which a user sits; a cabin elevation cylinder connected to a body of the construction machinery and moving up and down the cabin; a steering system changing a traveling direction when being operated by a user; a steering pump discharging working fluid; a steering priority valve supplying working fluid discharged by the steering pump to the steering system or the cabin elevation cylinder; a cabin elevation control valve controlling an up-operation or a down-operation of the cabin elevation cylinder by changing a movement direction of working fluid that is supplied to the cabin elevation cylinder by the steering priority valve; a solenoid valve controlling operation of the cabin elevation control valve; and a cabin elevation operation device transmitting a cabin elevation operation signal to the solenoid valve.


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    Title :

    CONSTRUCTION MACHINERY


    Additional title:

    BAUMASCHINEN
    MACHINE DE CONSTRUCTION


    Contributors:

    Publication date :

    2022-01-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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