Disclosed is a strand jack. Thd strand jack according to an embodiment of the present invention comprises: a hydraulic cylinder which includes a hydraulic ram which moves forward and backward by a hydraulic pressure and wherein a hollow is formed at the interior; a strand passing through the hollow of the hydraulic cylinder; a first wedge clamp located at one end of the hydraulic cylinder and including a first wedge which moves back and forth to secure and release the strand at the front of the hydraulic ram; a second wedge clamp located at the other end of the hydraulic cylinder and including a second wedge which moves back and forth to fix and release the strand at the rear of the hydraulic ram; and a position detecting apparatus which detects a position of at least one of the first and second wedges.

    스트랜드 잭에 관하여 개시한다. 본 발명의 실시예에 따르는 스트랜드 잭은 유압에 의해 진퇴 구동하는 유압램을 포함하며, 내부에 중공이 형성된 유압실린더, 유압실린더의 중공을 관통하는 스트랜드, 유압실린더의 일단에 위치하고 유압램의 전방에서 스트랜드를 고정 및 해제시키도록 전후로 이동하는 제1 웨지를 포함하는 제1 웨지클램프, 유압실린더의 타단에 위치하고, 유압램의 후방에서 스트랜드를 고정 및 해제시키도록 전후로 이동하는 제2 웨지를 포함하는 제2 웨지클램프, 제1, 2 웨지 중 적어도 하나의 포지션을 검출하는 포지션검출장치를 포함한다.


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    Title :

    STRAND JACK


    Additional title:

    스트랜드 잭


    Contributors:
    YOO JONG BO (author) / YOO YUNG HYUN (author)

    Publication date :

    2023-10-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



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