According to the present invention, a hopper opening and closing device comprises: a frame, both ends of which are installed in a hopper to rotate by bearings, and crosses an upper portion of the hopper by rotation; a cover fixing unit installed in one side of the hopper; a protective cover, both ends of which are fixated to the cover fixing unit and the frame respectively, blocking or opening the upper portion of the hopper by rotation of the frame; a cover opening and closing unit which rotates the frame in two directions by driving an opening and closing driving motor by connection between a driven sprocket fixated to the frame, and a driving sprocket of the opening and closing driving motor installed in the hopper; a cover rolling unit which rolls a protective cover at the time of opening the upper portion of the hopper; a driver′s seat operation unit and an outdoor operation unit installed in a driver′s seat and the outside of a ready mixed concrete vehicle respectively, to output an operation signal to operate the cover opening and closing unit; an opening detection unit and a blocking detection unit installed to detect the frame when the protective cover blocks and opens the upper portion of the hopper, to output a detection signal; and a control unit which receives detection signals of the opening detection unit and the blocking detection unit, controlling the cover opening and closing unit in response to the operation signals of the driver′s seat operation unit and the outdoor operation unit. According to the present invention, it is possible to operate the opening and closing of the hopper even on the driver′s seat as well as the outdoors to provide a convenience of use; and the accuracy and durability of operations are improved due to the opening and closing of the protective cover by transfer of power using a chain and a sprocket, and the reliability of operating the opening and closing of the protective cover and the rolling of the cover improved.

    본 발명은 상기 호퍼에 양단이 베어링으로 회전 가능하게 설치되어, 회전에 의해 호퍼의 상부를 가로지르는 프레임; 호퍼의 일측에 설치되는 커버고정부; 커버고정부와 프레임 측에 양단이 각각 고정되고, 프레임의 회전에 의해 호퍼의 상부를 차단하거나 개방시키는 보호커버; 프레임에 고정되는 종동스프라켓과 호퍼에 설치되는 개폐구동모터의 구동스프라켓이 체인으로 연결됨으로써 개폐구동모터의 구동에 의해 프레임을 양방향으로 회전시키는 커버개폐부; 보호커버가 호퍼의 상부를 개방시 감겨지도록 하는 커버롤링부; 커버개폐부를 동작시키기 위한 조작신호를 출력하도록 레미콘 차량의 운전석과 외부에 각각 설치되는 운전석조작부 및 실외조작부; 보호커버가 호퍼의 상부를 차단시 및 개방시 프레임을 각각 감지하여 감지신호를 출력하도록 설치되는 개방감지부 및 차단감지부; 및 개방감지부와 차단감지부의 감지신호를 각각 수신받아 운전석조작부 및 실외조작부 각각의 조작신호에 상응하여 커버개폐부를 제어하는 제어부;를 포함한다. 본 발명에 의하면, 실외 뿐만 아니라 운전석에서도 호퍼의 개폐를 조작할 수 있도록 하여 사용의 편리성을 제공하고, 체인과 스프라켓을 이용한 동력의 전달에 의한 보호커버의 개폐로 인해 동작의 정확도와 내구성이 뛰어나도록 하며, 보호커버의 개폐와 커버의 감개에 대한 동작의 신뢰성이 우수하도록 한다.


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    Title :

    HOPPER COVERING DEVICE FOR READY MIXED CONCRETE TRUCK


    Additional title:

    레미콘 차량의 호퍼 개폐장치


    Contributors:

    Publication date :

    2016-04-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS / B28C Tonaufbereitung , PREPARING CLAY





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