Drill bit for engineering geological drilling

A technology of engineering geology and drill bits, which is applied in the direction of drill bits, drill pipes, drill pipes, etc., can solve the problems of inability to assemble the physical properties of parts, reduce wear resistance, and drill bits cannot be replaced, so as to achieve stable and reliable design and improve wear resistance damage, high practical value

Pending Publication Date: 2019-02-22
CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Drilling bits are required in the exploration process of engineering geology. However, the existing engineering geological drilling drill bits have a single structure design. Dense ground contact, in the process, it is easy to cause the drill bit to ch

Method used

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  • Drill bit for engineering geological drilling

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Effect test

Embodiment

[0017] Refer to attached figure 1 , the present embodiment provides a drill bit for engineering geological drilling, comprising a drill rod 1, a drill shank 2 fixed to opposite ends of the drill rod 1, and a drill bit 5, the drill bit 5 is a conical structure, and the outer surface of the drill bit 5 is distributed and fixed with Reinforcement block 6, the reinforcement block 6 is an arc-shaped convex structure, the reinforcement block 6 is arranged longitudinally on the outer surface of the drill bit 5, and the drill pipe 1 is formed by docking the first drill pipe 11 and the second drill pipe 12, and the second A reinforcement layer 3 is fixed on the outer periphery of the joint between the first drill pipe 11 and the second drill pipe 12, and the reinforcement layer 3 is preferably a high manganese steel reinforcement layer.

[0018] The first drill rod 11 is threadedly connected with the second drill rod 12, and one end of the first drill rod 11 is provided with a first threa

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Abstract

The invention provides a drill bit for engineering geological drilling. The drill bit comprises a drill pipe, a drill handle and a drill bit separately fixed to opposite two ends of the drill pipe. The drill bit is of a cone-shaped structure, reinforcing blocks are distributed and fixed to the outer surface of the drill bit, the drill pipe is formed by butt jointing a first drill pipe and a seconddrill pipe, and a reinforcing layer is fixed to the periphery of the connection of the first drill pipe and the second drill pipe. The drill bit for engineering geological drilling is upgraded and improved to overcome existing problems and defects. The drill bit for engineering geological drilling belongs to the technical field of engineering geology.

Description

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Claims

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Application Information

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Owner CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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