The invention discloses a compact working roll hoisting tool, which comprises a mount as a main body, two fixed tracks and a diplopore suite are respectively arranged on lower transverse plane of each end of the mount in vertical direction; a moveable rack is hoisted and arranged in a sliding mode on two fixed tracks through a roller mechanism, two working rolls are arranged on the moveable racks between two ends, levorotatory and dextrorotatory trapezoid nuts are arranged in the moveable rack in vertical direction; a transmission shaft and a leading screw respectively pass through an upper unthreaded hole and a lower unthreaded hole of two diplopore suites on a longitudinal direction, the transmission shaft and the leading screw enable driving connection through a driving gear and a driven gear; screw thread rotation direction of two ends of the leading screw is opposite, and the screw thread rotation direction of two ends of the leading screw is matched with screw thread of levorotatory and dextrorotatory trapezoid nuts. The compact working roll hoisting tool has the advantages of compact structure, safety, reliability, and simple operation.


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    Title :

    Compact working roll hoisting tool


    Contributors:
    LIU FENLI (author) / YANG KETUO (author) / ZHANG CHUNYU (author) / ZHU HAIXIA (author)

    Publication date :

    2015-04-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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