The invention provides an underwater hoisting device and a fast connecting device thereof. The fast connecting device comprises a connecting base and a connecting rod which are matched with each other; under the working state, the connecting base is connected with the tail end of the connecting rod in a close fit manner; the connecting base comprises a base body and a hoisting connector; the hoisting connector is arranged in the center of the base body; a plurality of flanges are arranged on the inner edge of the hoisting connector; a recess is formed between every two adjacent flanges; a gap is arranged between each flange and the bottom surface of the base body; a lifting hook is arranged on the edge of the end face of the tail end of the connecting rod and is matched with each recess of the hoisting connector in shape. Under the working state, the lifting hook is screwed into the gap between each flange and the bottom surface of the base body through the recess. According to the invention, the underwater hoisting device can be rapidly and reliably mounted.


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    Title :

    Underwater hoisting device and fast connecting device thereof


    Contributors:
    XU FENG (author) / HONG ZHUWEI (author)

    Publication date :

    2016-01-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile / B66C Krane , CRANES



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