A rig movement and rotation assembly, which includes a first pair of vertical lifting jacks and a second pair of vertical lifting jacks. Each of the vertical lifting jacks has an upper end connected to a rig substructure and a lower end. A roller assembly is connected to the lower end of each of the vertical lifting jacks with each roller assembly rotatable on an axis. A steering cam arm bracket extends from each roller assembly. A first connecting link joins the steering cam arm brackets from the first pair of lifting jacks together and a second connecting link joins the steering cam arm brackets from the second pair of lifting jacks together. An actuator extends or retracts the length of each of the connecting links. A skid jack for each of the vertical lifting jacks engages with the roller assembly.


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    Title :

    Rig movement and rotation assembly


    Contributors:

    Publication date :

    2016-08-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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