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A drill pipe power tong

A technology for power tongs and drill pipes, which is applied to drill pipes, drill pipes, and earth-moving drilling and mining, etc., can solve the problems of reducing the overall rigidity of the power tongs, adding disassembly and assembly steps, and not having automatic switching functions.

Active Publication Date: 2021-05-14
南通滨睿智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing drill pipe power tongs do not have the function of automatic switching, the range of clamping pipe diameter is limited, the torque is small, the overall structure adopts a split structure, which increases the steps of disassembly and assembly, and the overall rigidity of the power tongs is also reduced. Difficult to achieve automatic centering, limited operability

Method used

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  • A drill pipe power tong
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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0029] In the description of the present invention, unless otherwise stated, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer" , "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should therefore not be construed as limiting ...

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Abstract

The invention discloses a drill pipe power tong, which relates to the technical field of drill pipe power tongs, specifically a tong head, a transmission device, an automatic door, a brake band assembly, a hoisting device, a planetary gearbox assembly and a transfer system assembly, The pliers head is assembled in the transmission device, an automatic door is installed at the opening of the transmission device, the brake belt assembly is positioned and installed on the transmission device through a hole, and a hoisting device is installed above the transmission device. A planetary gearbox assembly is installed above the rear end of the transmission device, and a transfer system assembly is installed behind the transmission device. The drill pipe power tong has a wide range of clamping pipe diameters and large torque; it adopts hydraulic-pneumatic joint control and is easy to operate; it adopts an integrated structure of upper and lower tongs to enhance the overall rigidity of the power tong to ensure that the power tong can be clamped under high torque The reliability of the drilling tool; the floating structure of the upper tong is adopted, so that the upper and lower tongs can be centered automatically.

Description

technical field [0001] The invention relates to the technical field of drill pipe power tongs, in particular to a drill pipe power tong. Background technique [0002] Drill pipe power tongs are widely used in drilling and unloading pipe string threads during offshore and land drilling and workover operations. Due to the labor intensity of drilling workers, drill pipe power tongs are suitable for occasions with frequent tripping and long drilling cycles. [0003] The existing drill pipe power tongs are based on the ZQ drill pipe power tongs series, which use the drill pipe power tongs to make up and break out threads, without cat heads, lifting tongs and swivel ropes (or chains), easy to operate, safe and labor-saving , High operating efficiency. [0004] However, the existing drill pipe power tongs do not have the function of automatic switching, the range of clamping pipe diameter is limited, the torque is small, the overall structure adopts a split structure, which incre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B19/16
CPCE21B19/16
Inventor 杨海辉徐平建
Owner 南通滨睿智能科技有限公司
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