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Drill pipe power tongs

A technology for power tongs and drill pipes, applied in drill pipes, drill pipes, drilling equipment, etc., can solve the problems of inconvenient operation, easy deformation of gear openings, biting drill tools, etc., and achieves the effect of reliable operation and reasonable structure.

Inactive Publication Date: 2016-10-12
NANTONG JINNIU MACHINERY MFR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing drill pipe power tongs also have some defects and problems. For example, when the torque is large, the gear opening is easily deformed, causing slipping and biting the drill tool, and the service life is short. many inconveniences

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] The drill pipe power tong of the present invention comprises a moving device, a hoisting frame, and a hydraulic power tong connected with the hoisting frame;

[0013] The moving device includes a column, a vertical lifting cylinder arranged in the column, a bracket connected with the vertical lifting cylinder, a rotating frame connected with the bracket, and a horizontal moving cylinder connected with the rotating frame;

[0014] The hydraulic power tongs include a hydraulic turnbuckle pliers and a hydraulic torque tong connected with the hydraulic turnbuckle pliers;

[0015] The hydraulic torque tong includes an upper tong, a lower tong, a torque cylinder and a pin shaft, and the lower tong includes left and right tong bodies;

[0016] The hydraulic turnbuckle pliers include a clamping hydraulic oil cylinder, a clamping arm, a friction wheel and a fixing seat.

[0017] The clamping mode of the hydraulic turnbuckle pliers is V-shaped, H-shaped or parallel pair clamping...

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PUM

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Abstract

The invention provides a pair of drill pipe power tongs. The drill pipe power tongs comprise a mobile device, a lifting frame and hydraulic power tongs connected with the lifting frame, wherein the mobile device comprises an upright post, a vertical lifting cylinder arranged in the upright post, a support connected with the vertical lifting cylinder, a rotating frame connected with the support and a horizontal shift cylinder connected with the rotating frame; the hydraulic power tongs comprise hydraulic spinning wrench and hydraulic torque tongs connected with the hydraulic spinning wrench; the hydraulic torque tongs comprise an upper torque tong, a lower torque tong, a torque cylinder and a pin shaft, and the lower torque tong of the hydraulic torque tongs comprises a left tong body and a right tong body; and the hydraulic spinning wrench comprises a clamping hydraulic cylinder, a clamping arm, a friction wheel and a fixed seat. The drill pipe power tongs provided by the invention are reasonable in structure and reliable in operation, and main technical parameters of the drill pipe power tongs meet operating requirements.

Description

technical field [0001] The invention relates to a drill pipe power tong, which belongs to the technical field of petroleum machinery. Background technique [0002] Modern oil drilling, geological exploration, gas well mining and other industries are generally equipped with drill pipe power tongs at the wellhead in order to improve the degree of mechanization, reduce the labor load of the wellhead operators, and ensure the personal safety of the operators. The general structure of drill pipe tongs on the market is similar, and its characteristics are: small size, light weight, strong maneuverability when making and breaking out, and convenient and quick operation. Compared with traditional pulling cat head and lifting tongs, it is safer and more efficient. There are many types of drill pipe power tongs, which are divided into pneumatic, electric and hydraulic according to the power used; divided into fixed and suspended installation according to different installation methods...

Claims

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Application Information

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IPC IPC(8): E21B19/16
CPCE21B19/16
Inventor 徐平建
Owner NANTONG JINNIU MACHINERY MFR
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