A crane with a pivotal boom. The crane has a first and a second main hoisting system, which main hoisting system are configured for independent operation. Each system comprises a hoisting cable, an upper sheave block, a hoisting block assembly suspended from the upper sheave block by the hoisting cable in a multiple fall configuration, and a hoisting winch. The upper sheave blocks of the first and second main hoisting systems are each independently pivotable about a common pivot axis relative to the boom. Each hoisting block assembly comprises a hoisting block body, multiple fixed sheaves that are fixed on the hoisting block body, and multiple disconnectable sheave members, each disconnectable sheave member comprising a frame and at least one sheave rotatably supported by the frame.


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    Title :

    CRANE, VESSEL COMPRISING SUCH A CRANE, AND A METHOD FOR UP-ENDING AN ELONGATE STRUCTURE


    Additional title:

    KRAN, SCHIFF MIT EINEM SOLCHEN KRAN UND EINE VERFAHREN ZUR AUFRICHTEN EINER LÄNGLICHEN STRUKTUR
    GRUE, NAVIRE COMPRENANT UNE TELLE GRUE ET PROCEDE POUR BASCULER UNE STRUCTURE ALLONGÉE



    Publication date :

    2024-02-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES / B66D Haspeln , CAPSTANS



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    CRANE, VESSEL COMPRISING SUCH A CRANE, AND A METHOD FOR UP-ENDING AN ELONGATE STRUCTURE

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