A rig movement, rotation and alignment assembly. A plurality of lifting jack assemblies are provided, each of the lifting jack assemblies attached to a rig substructure. Each of the lifting jack assemblies has a cylinder housing and a rod movable axially within the cylinder housing. Each rod is engaged with a screw drive in order to rotate the rod with respect to the cylinder housing. Each rod includes a circumferential recess wherein the circumferential recess includes at least one flat segment. A retainer plate attached to each bearing pad is received in and engaged with the circumferential recess and with the flat segment, so that rotation of the rod results in rotation of the bearing pad.


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    Titel :

    Rig movement, rotation and alignment assembly


    Beteiligte:
    HEIDEMANN SHELBY (Autor:in) / MCGUIRE THOMAS (Autor:in)

    Erscheinungsdatum :

    2024-01-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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 / B62D MOTOR VEHICLES , Motorfahrzeuge / E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren



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