Power tong

Details Power tong Power tong

E - Fixed Constructions

21

B

E21B 19/16 (2006.01)

Patent

CA 2621570

The power tong according to the present invention continuously rotates tubulars for spinning and torquing threaded connections. Continuous rotation is achieved through a rotating jaw that grips the tubular and can continuously rotate it. Hydraulic and electrical power necessary for actuating the actuators or grippers must be generated on board since the continuous rotation does not allow for external connections, neither hydraulic nor electrical ones. A serpentine belt system turns the motors of the on board hydraulic power unit and DC generators to supply the gripper jaws with the necessary hydraulic and electrical power.

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