Hydraulic oil pipe power tongs for oil field

Abstract

The utility model relates to the technical field of power tongs, in particular to a hydraulic oil pipe power tong for an oil field, which comprises a shell, a rotating part is rotatably mounted in the shell, and a notch groove for a hydraulic oil pipe to penetrate through is formed in the surface of the rotating part in a penetrating manner; the driving gears are rotationally mounted in an inner cavity of the shell, the driving gears are meshed with the outer gear ring, and the number of the driving gears is two; the device has the beneficial effects that the rotating part is rotationally installed in the shell, the outer gear ring is arranged on the outer side of the rotating part, the two driving gears are arranged in a meshed mode through the outer gear ring, the two driving gears are symmetrically distributed, and the notch groove allowing the hydraulic oil pipe to penetrate through is formed in the surface of the rotating part; the distance between the two driving gears is larger than the opening width of the notch groove, the calipers are clamped on a nut on the outer side of the hydraulic oil pipe joint, when the driving gears rotate, the rotating piece is driven to rotate so that the nut can be fastened, manual external force assistance is not needed, use is convenient, and time and labor are saved in the operation process.

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