Improved diamond compact drill bit

A diamond composite sheet, an improved technology, applied in drill bits, drilling equipment, earth-moving drilling, etc., can solve the problems of low stability, poor impact resistance of drill bits, and small quantities, and achieve excellent performance, reasonable production cost, and improved performance. The effect of stability

Inactive Publication Date: 2019-05-14
王太锋
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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 that the number of drilling parts of the drill bit in the prior art is small, resulting in poor impact resistance and low stability of the drill bit.

Method used

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  • Improved diamond compact drill bit

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Embodiment Construction

[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0014] In conjunction with the accompanying drawings, the present invention is described in detail.

[0015] The present invention provides an improved diamond compact drill bit during specific implementation, including a drill head 1 and a shank 2, the drill head 1 is arranged above the shank 2, and the drill head 1 is provided with a number of drilling holes. Part 3, the front side of the drilling part 3 is provided with a diamond composite sheet 4, the drilling part 3 is connected end to end in sequence, arranged in a circular array, and the bottom of the handle part 2 is provided with a thread 5, the The screw thread 5 and the shank 2 are integrally formed, the center of the drill head 1 and the shank 2 is provided with a through hole 6 , and the diamond composite sheet 4 is welded on the front side of the drill part 3 .

[0016] The diameter of the thre...

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PUM

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Abstract

The invention discloses an improved diamond compact drill bit. The drill bit comprises a drill bit part and a handle part, the drill bit part is arranged on the handle part. A plurality of drilling parts are arranged on the drill bit part, diamond compacts are arranged on the front sides of the drilling parts, the drilling parts are sequentially connected end to end in a circular array mode, threads are arranged on the lower portion of the handle part, the threads and the handle part are integrally formed, through holes are formed in the centers of the drill bit part and the handle part, and the diamond compacts are welded to the front sides of the drilling parts. The improved diamond compact drill bit effectively solves the problems existing in the prior art, and has the advantages of being high in impact resistance, good in abrasion resistance and the like. By properly increasing the number of the drilling parts, the stability of the diamond compact drill bit can be improved, the impact load is reduced, and the service life of the diamond compact drill bit is prolonged when a stratum is cut. The manufacturing cost is economic and reasonable, the performance is excellent, and themethod is suitable for being popularized and used in society.

Description

technical field [0001] The invention relates to an improved drill bit, in particular to an improved diamond composite drill bit. Background technique [0002] PDC drill bit is polycrystalline diamond compact drill bit. Traditional diamond drill bits are usually provided with 3-8 blades, and the diamond drill bits of this structure have contributed to oil extraction and exploration engineering. However, PDC drill bits are usually made of tungsten carbide or steel body, and diamond is used as raw material to add binder and sinter at high temperature. Due to the existence of multiple materials, the PDC bit has poor thermal stability, strong brittleness, and poor ability to withstand impact loads. Due to the small number of drilling parts of the diamond compact drill bit in the prior art, the impact resistance of the drill bit is poor and the stability is low; an improved diamond compact drill bit has become an urgent problem to be solved by the whole society. Contents of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B10/54E21B10/43
Inventor 王太锋
Owner 王太锋
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