The present invention relates to a hydraulic apparatus for an agricultural vehicle, comprising: an oil tank for storing hydraulic oil; a hydraulic pump for pressurizing the hydraulic oil so as to supply same to a hydraulic flow path; an oil supply pipe which is disposed on the hydraulic flow path and connects the oil tank and the hydraulic pump; an oil return pipe which is disposed on the hydraulic flow path, has one end connected to the oil tank, and guides the hydraulic oil circulated through the oil supply pipe to an oil storage tank; and an air drain pipe which has one end connected to the oil supply pipe and the other end connected to the oil return pipe, and which guides air contained in the hydraulic oil flowing through the oil supply pipe to the oil return pipe. Accordingly, the air in the hydraulic oil flowing through the oil supply pipe is returned to the oil tank through the air drain pipe, and only the hydraulic oil without air flows into a working machine or a steering unit, and thus, it is possible to prevent the occurrence of noise and vibration.

    La présente invention concerne un appareil hydraulique pour un véhicule agricole, l'appareil comprenant : un réservoir d'huile pour stocker de l'huile hydraulique; une pompe hydraulique pour mettre sous pression l'huile hydraulique de façon à l'alimenter dans une voie d'écoulement hydraulique; un tuyau d'alimentation en huile qui est disposé sur la voie d'écoulement hydraulique et relie le réservoir d'huile et la pompe hydraulique; un tuyau de retour d'huile qui est disposé sur la voie d'écoulement hydraulique, a une extrémité reliée au réservoir d'huile, et guide l'huile hydraulique circulant dans le tuyau d'alimentation en huile vers un réservoir de stockage d'huile; et un tuyau de purge d'air qui a une extrémité reliée au tuyau d'alimentation en huile et l'autre extrémité reliée au tuyau de retour d'huile, et qui guide l'air contenu dans l'huile hydraulique s'écoulant dans le tuyau d'alimentation en huile vers le tuyau de retour d'huile. En conséquence, l'air dans l'huile hydraulique s'écoulant dans le tuyau d'alimentation en huile est renvoyé vers le réservoir d'huile par le tuyau de purge d'air, et seule l'huile hydraulique sans air s'écoule dans une machine de travail ou une unité de direction, et ainsi, il est possible d'empêcher l'apparition de bruits et de vibrations.

    본 발명은 농업용 작업차량의 유압장치에 관한 것으로, 작동유를 저장하는 오일탱크를 포함하고, 작동유를 가압하여 유압 유로에 공급하는 유압 펌프, 유압 유로 상에 배치되고 오일탱크와 유압 펌프를 연결하는 오일공급배관, 유압 유로 상에 배치되고 일 단이 오일탱크에 연결되고 오일공급배관을 통해 순환한 작동유를 오일저장탱크로 안내하는 오일회수배관, 일 단이 오일공급배관에 연결되고 타 단이 오일회수배관에 연결되고 오일공급배관을 유동하는 작동유에 함유된 공기를 오일회수배관으로 안내하는 에어 드레인 배관을 포함하여, 오일공급배관을 유동하는 작동유 중 공기는 에어 드레인 배관을 통해 오일탱크에 회수되고, 공기를 제외한 작동유 만이 작업기 또는 조향유닛으로 유입되므로, 소음 및 진동의 발생을 방지할 수 있다.


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    Title :

    HYDRAULIC APPARATUS FOR AGRICULTURAL VEHICLE


    Additional title:

    APPAREIL HYDRAULIQUE POUR VÉHICULE AGRICOLE
    농업용 작업차량의 유압장치


    Contributors:
    LEE JUNG UK (author) / LEE HYEON KOO (author) / SHIN JAI YOON (author) / CHO HAN JOON (author)

    Publication date :

    2022-12-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    A01B SOIL WORKING IN AGRICULTURE OR FORESTRY , Bodenbearbeitung in Land- oder Forstwirtschaft / B62D MOTOR VEHICLES , Motorfahrzeuge / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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