The present invention relates to a derrick crane comprising: a lower frame, front and rear moving wheels, rails, an upper frame, a main body frame, a movable trolley part, and a road block part, which are provided when constructing a cable-stayed bridge, and more specifically, to a derrick crane, wherein a towed ascending and descending weight is suspended stably and easily on a load block part connected to the fore-end of a wire to be put precisely at a necessary position using the vertical movement of a boom or a mast and by stably winding or unwinding the wire wound around a drum, and the towed ascending and descending weight put at the correct position is assembled to a pylon using wires and bridge decks while keeping stable without shake, thereby shortening the construction period of the cable-stayed bridge.

    본 발명은 사장교(斜張橋)를 건설시 구비되는 하부프레임과, 전,후이동바퀴와, 레일과, 상부프레임과, 본체프레임과, 가동트롤리부와, 로드블럭부로 구성한 데릭 크레인은 붐 또는 마스트의 상ㆍ하 동작과 드럼에 권취된 와이어의 안정적으로 풀림 또는 감김에 의하여 와이어 선단에 연결된 로드블럭부에 피견인승강 중량물을 안정적이고 용이하게 현수하여 필요한 위치에 정밀하게 놓이게 한후 정위치에 놓여진 피견인승강 중량물을 흔들림없이 안정적으로 유지하면서 주탑에 와이어들과 다리상판들로 조립되어지는 사장교(斜張橋)를 건설공사의 기간을 단축하도록 한데릭 크레인에 관한 것이다.


    Access

    Download


    Export, share and cite



    Title :

    Derrick crane


    Additional title:

    데릭 크레인


    Contributors:

    Publication date :

    2023-06-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B66C Krane , CRANES



    Derrick crane

    AN HAN BAE | European Patent Office | 2017

    Free access

    Derrick crane

    European Patent Office | 2018

    Free access

    CRANE WITH DERRICK BALLAST

    RICHARD TORGHELE / ROBERT BARGEHR | European Patent Office | 2025

    Free access

    CRANE WITH DERRICK BALLAST

    TORGHELE RICHARD / BARGEHR ROBERT | European Patent Office | 2025

    Free access

    CRANE WITH DERRICK BALLAST

    CLEMENS NORZ / ENGELBERT HAEBE / MATTHIAS KLEY et al. | European Patent Office | 2024

    Free access