A pile lifting chuck including a chuck housing which is inserted into an inner diameter of a pile and has extension-installing pockets vertically formed at predetermined intervals to face each other in a radial direction. The pile lifting chuck further includes a pair of extensions which are disposed in the pockets and installed to be movable in the radial direction and a chucking cylinder which has one end connected to any one of the extensions and the other end connected to the other one of the extensions and which is configured to, by using a reaction force on the any one of the extensions, move the other one of the extensions to chuck the pile.


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    Title :

    Pile lifting device capable of preventing overturning


    Contributors:

    Publication date :

    2023-08-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES / E02D FOUNDATIONS , Gründungen



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