The invention relates to a special tool for lifting cable trench cover plates, which comprises a pry bar and a fastening head, the body surface of the lower end of the pry bar is provided with a longitudinal planar long groove, the thickness of the fastening head is equal to the depth of the longitudinal planar long groove of the lower end of the pry bar, the lower end of the fastening head is articulated with the bottom end of the pry bar, and the fastening head can be turned to make the angle of 90 degrees with the bottom end of the pry bar. The special tool is structurally simple, is easy to produce and convenient to use, and is safe and reliable; the special tool can enable a worker to conveniently perform the operation of opening a cable cover plate, makes up for the defects of the conventional operating method, increases the efficiency of operation, saves manpower, and achieves the objective of convenience and high efficiency; during use, the fastening head is folded to be aligned with the pry bar, the special tool is inserted into the gap of a cable trench and shaken gently, so that the fastening head can be turned down due to the action of gravity to make the angle of 90 degrees with the pry bar and thereby fastens the cable cover plate, the worker holds a handle and downwardly presses the pry bar, so that the cable cover plate can be lifted, the worker then uses the fastening head to hook the cover plate and outwardly pull the cover plate, and thereby the cable cover plate can be moved away.


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    Title :

    Special tool for lifting cable trench cover plates


    Contributors:
    ZHOU XIN (author) / TIAN XIN (author) / LI YANG (author) / ZHANG HUILI (author) / WANG JING (author)

    Publication date :

    2015-06-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    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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