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Ultrastrong diamond compact bit

A diamond composite sheet, super-strong technology, applied in drill bits, drilling equipment, earthwork drilling and other directions, can solve the problems of easy caving of the diamond composite sheet, affecting the drilling depth of a single drill bit, and low wear resistance of the drill bit. The effect of insignificant diameter reduction, high construction efficiency and fast rock breaking speed

Inactive Publication Date: 2010-11-24
山西鑫博瑞科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing drill bits have low wear resistance. In practical applications, the diamond composite sheet is easy to collapse, and the diameter shrinkage phenomenon is obvious during the drilling process, which affects the drilling depth of a single drill bit.

Method used

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  • Ultrastrong diamond compact bit
  • Ultrastrong diamond compact bit
  • Ultrastrong diamond compact bit

Examples

Experimental program
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Effect test

Embodiment

[0010] Example: figure 1 , figure 2 , image 3 As shown, the present embodiment comprises drill bit, drill rod 6, and drill rod 6 is connected with drill bit by screw thread, and rock-breaking column 2 is inlaid on the drill bit, and diamond composite sheet 1 and gage bar 4 are brazed, that is, the end of the drill bit. There are three blades in equal parts, the rock breaking pillar 2, the diamond composite sheet 1 and the gage strip 4 are all set on the blade, and the drill bit is provided with a water outlet hole 3 to ensure blade cooling and chip removal in the rock drilling process .

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PUM

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Abstract

The invention discloses an ultrastrong diamond compact bit belonging to rock-breaking tools, which is mainly applicable to coal-mine gas drainage holes, water detection holes, grouting holes and geological prospecting drilling holes. The ultrastrong diamond compact bit comprises a drill stem and a drill bit, wherein the drill stem and the drill bit are connected through screw threads. The bit is characterized in that the drill bit is composed of a diamond compact, a rock-breaking column, a water hole and a gauge-protection bar, wherein the drill bit is inlaid with the rock-breaking column and brazed with the diamond compact and the gauge-protection bar. The ultrastrong diamond compact bit can drill into medium hard rock stratum, and has the advantages of excellent wear resistance, strong torsion resistance, faster rock breaking speed, good cooling and scrap removal, inconspicuous gauge shrinkage phenomenon and high construction efficiency.

Description

technical field [0001] The invention belongs to a rock-breaking tool, which is mainly used in coal mine gas drainage holes, water exploration holes, grouting holes and geological exploration drilling holes, and in particular relates to a super-strong diamond composite drill bit. Background technique [0002] The existing drill bits have low wear resistance. In practical applications, the diamond composite sheet is easy to collapse, and the diameter shrinkage phenomenon is obvious during the drilling process, thereby affecting the drilling depth of a single drill bit. Contents of the invention [0003] The invention aims to provide a super-strong diamond composite drill bit with good wear resistance, high impact toughness, no obvious shrinkage phenomenon and long service life. [0004] Realize the technical scheme of the present invention: comprise drill rod, drill bit, drill bit and drill rod are connected by screw thread, it is characterized in that drill bit comprises di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B10/46E21B10/60E21B10/42
Inventor 穆祥东
Owner 山西鑫博瑞科技有限公司
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