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Iron roughneck

An iron driller and clamping tong technology, applied in drill pipe, drill pipe, drilling equipment, etc., can solve the problems of high tong and drill pipe size and concentricity, slow speed, damage to drill pipe, etc. Improve work efficiency, reduce operation difficulty, and eliminate the effect of shear force

Inactive Publication Date: 2014-05-21
SHANGHAI JOZO MACHINE & ELECTRIC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the structure of this one-piece tong body is relatively compact, it has high requirements on the size and concentricity of the tongs and the drill pipe. This form of turning the tong head driven by the cylinder is relatively slow. A drill pipe of one specification is Requires a correspondingly sized palate, which can easily damage the drill pipe in the event of mishandling

Method used

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Embodiment Construction

[0016] Attached below figure 1 -5 further description of the present invention:

[0017] figure 1 It is a schematic structural diagram of an embodiment of the present invention. In this embodiment, an iron driller includes a base 1, a telescopic arm 2 connected with the base 1, and a punch assembly 3 connected with the telescopic arm 2 and Turnbuckle assembly 4, wherein the punching assembly 3 includes clamping pliers 301 and punching pliers 302, wherein the clamping pliers are fixedly connected to the telescopic arm 2 through the fixing frame 5, and the clamping pliers 301 and the punching pliers 302 pass through The punching guide assembly and the punching oil cylinder 303 are connected. Due to the structure of the punching assembly 3 and the twisting assembly 4, the twisting and punching are operated separately, which can effectively realize the rapid twisting and improve the working efficiency.

[0018] In this embodiment, combining figure 2 and image 3 , the punchi...

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PUM

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Abstract

The invention discloses an iron roughneck which comprises a base, a telescopic arm, a buckle punching assembly and a buckle rotating assembly, wherein the telescopic arm is connected with the base, and the buckle punching assembly and the buckle rotating assembly are connected with the telescopic arm. The buckle punching assembly comprises a pair of clamping pincers and a pair of buckle punching pincers, wherein the pair of clamping pincers is fixedly connected with the telescopic arm through a fixing frame and connected with the pair of buckle punching pincers through a buckle punching guide assembly and a buckle punching oil cylinder. By means of the guide form of the buckle punching guide assembly, the pair of buckle punching pincers can perform make-up and break-out operation with a drilling tool serving as the center. During floating adjustment, concentricity of the pair of clamping pincers and the pair of buckle punching pincers is ensured, shearing force on the drilling tool during operation is eliminated, drilling tool is protected, high requirements for operator skills are canceled, and operation difficulty is greatly reduced.

Description

Technical field: [0001] The invention relates to a drilling equipment for oil exploitation, in particular to an iron driller of a wellhead operation device matched with an oil drilling rig. Background technique: [0002] At present, in the domestic oil drilling industry, liquid and gas tongs are gradually used for wellhead operations. It can reduce the number of workers in wellhead operations and greatly reduce the work intensity of workers. However, there are still shortages of liquid and gas tongs. The centerline is positioned in the mode, and different specifications of palate plates are used to meet the needs of on-site work. First, the machining requirements are high in production, and secondly, the user's skills are required to be high in the work. Misoperation can easily damage the tongs. And drill pipe, finally this way of working directly makes the palatal plate a consumable, which increases the working cost. In addition, the twisting equipment of the hydraulic ton...

Claims

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Application Information

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IPC IPC(8): E21B19/16
Inventor 魏从刚郑志斌董高峰王倩云牛永波高景贵
Owner SHANGHAI JOZO MACHINE & ELECTRIC