A lifting device for precast concrete structures allows a crane to securely lift and transport a concrete structure for to a desired position. The lifting device includes a structural hub, a plurality of gripping mechanisms, and a hitch system. The structural hub radially distributes the plurality of gripping mechanisms about the flange, creating multiple contact points for dividing the vertical load. The plurality of gripping mechanisms laterally and vertically braces the flange, thereby centering the concrete structure to the structural hub. The hitch system allows tethers a crane to the structural hub which provides the primary vertical lifting force. Each of the plurality of gripping mechanisms includes a sleeve, an extension arm, a linear actuator, and a gripper. The linear actuator extends and retracts extension arm out of the sleeve. Finally, the gripper is designed to fasten the flange in a secure manner.


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    Titel :

    Lifting Device for Precast Concrete Structures


    Beteiligte:
    MANCINI ALBERT (Autor:in)

    Erscheinungsdatum :

    05.07.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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