Drill stem inner wall cleaner facilitating fixing of friction part

A technology for friction parts and scale removers, which is applied in drilling tools, drilling equipment, earth-moving drilling, etc., can solve problems such as parts falling off, and achieve the effect of improving efficiency, increasing friction, and ensuring fixed stability.

Active Publication Date: 2015-05-20
BEIJING LANDY GREAT EXPLOIT SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a descaling device for the inner wall of the drill pipe that facilitates the fixing of the friction parts, s

Method used

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  • Drill stem inner wall cleaner facilitating fixing of friction part

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Embodiment

[0020] Such as figure 1 As shown, the descaling device for the inner wall of the drill pipe, which is convenient for fixing the friction parts, includes a hydraulic cylinder 1. The output end of the hydraulic cylinder 1 is connected with two symmetrically arranged fixed blocks 2. The fixed blocks 2 are bent inward to form an arc-shaped plate, and the two are fixed. The inner side of block 2 is connected by spring 3. The natural length of spring 3 is consistent with the inner diameter of the oil drill pipe. The lower end of the convex block 22 is provided with a fixed block 23, and the baffle plate 24 is detachably installed on both ends of the fixed block 23 through bolts 25. groove 41, and is set in the fixed groove 21 through the groove 41. The other end of the scouring pad 4 is provided with a card slot 42 that cooperates with the fixed block 23. The inner wall of the drill pipe is bonded, and the fixed block 2 is made of aluminum alloy.

[0021] The working principle of ...

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PUM

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Abstract

The invention relates to a drill stem inner wall cleaner facilitating fixing of a friction part. The drill stem inner wall cleaner facilitating fixing of the friction part comprises a hydraulic oil tank, wherein the output end of the hydraulic oil tank is connected with two fixed blocks symmetrically arranged, the inner sides of the two fixed blocks are connected through a spring, the natural length of the spring corresponds with the inner diameter of an oil drill stem, one end of each fixed block is outwards folded back to form a fixed groove, the other end of each fixed block is provided with a boss matched with the corresponding groove, the lower end of each boss is provided with a fixed block, one end of a scouring pad is provided with a groove matched with the fixed grooves and is arranged in the fixed grooves through the groove in a clamping mode, the other end of the scouring pad is provided with a clamping groove matched with the fixed blocks, and the fixed blocks are made of aluminum alloy. According to the drill stem inner wall cleaner facilitating fixing of the friction part is convenient to fix, by the action of clamping and fixing of both the groove and the boss, it is ensured that the scouring pad cannot fall out of the fixed blocks, and therefore the intractable dirt can be completely removed by the mutual friction between the scouring pad and the drill stem inner wall.

Description

technical field [0001] The invention relates to the field of cleaning devices, in particular to a descaling device for the inner wall of a drill pipe which facilitates the fixing of friction parts. Background technique [0002] In the process of oil extraction, the drill pipe is an indispensable tool. The drill pipe can be used repeatedly. In order to improve the service life of the drill pipe, the drill pipe must be maintained and cleaned after each use. After the drill pipe is used for a long time, the inner wall of the drill pipe is prone to rust, and a large amount of drilling fluid solid particles and oil stains will adhere to it. The dirt on the inner wall of the drill pipe will affect the next use of the drill pipe. The drill pipe with debris attached will affect the quality and work efficiency of the next drilling. The dirt will also corrode the inner wall of the drill pipe and seriously affect the quality of the drill pipe. Therefore, the inner wall of the drill p...

Claims

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Application Information

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IPC IPC(8): E21B12/06
CPCE21B12/06
Inventor 贺昶明
Owner BEIJING LANDY GREAT EXPLOIT SCI & TECH DEV
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