The invention discloses a special lifting device capable of achieving adjustment and rotation at any angle. The special lifting device comprises a main body framework; a rotation seat is disposed in the middle of the main body framework; a rotation gear shaft is inserted into the rotation seat; a connecting arm is hinged to the top end of the rotation gear shaft; support lugs are fixedly connected to the side walls of the connecting arm and hinged to the bottom of the tail end of a suspension arm through pin shafts; a supporting plate is fixedly connected to the top end of the suspension arm; a pitch oil cylinder is hinged to the supporting plate; the tail end of a pitch retractable rod in the pitch oil cylinder is hinged to the top end of the connecting arm. By means of the pitch oil cylinder and a rolling oil cylinder, the adjustment of the lifting device at the angle in the horizontal direction is achieved, self rotation of the lifting device is achieved through a rotation oil cylinder and the rotation gear shaft without manual rotation, manpower consumption can be reduced, and the safety and lifting efficiency can be improved.


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    Title :

    Special lifting device capable of achieving adjustment and rotation at any angle


    Contributors:
    YAN QIANHONG (author) / XIANG ZHENWEN (author) / WU DIYONG (author) / TAN ZHENG (author) / CHEN WENCHONG (author) / HE MIN (author) / LI CHANGQIAN (author)

    Publication date :

    2016-02-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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