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Novel hollow drill bit

A hollow drill bit, a new type of technology, is applied in the direction of drill bits, drilling equipment, earthwork drilling and mining, etc. It can solve the problems of inconvenient operation and high damage rate of hollow bricks, and achieve the effects of stable structure, convenient punching and improved work efficiency

Inactive Publication Date: 2018-03-09
肖琴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Bridges, wharves, roads, railways and other building foundation constructions are essential to use punching pile machines. At present, the hollow bricks used on punching pile machines have a high damage rate and are not easy to operate. They need to be improved.

Method used

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  • Novel hollow drill bit

Examples

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Embodiment Construction

[0010] Below in conjunction with accompanying drawing, the present invention will be described in further detail:

[0011] Such as figure 1 As shown: a new type of hollow drill in this embodiment, including a hollow drill body 1; wherein the hollow drill body 1 is provided with several scrapers 2 in sequence; each of the scrapers 2 is tightly connected with a ferrule 3 fixed; where the top of the hollow brick body 1 is provided with several backing plates 4; each of the backing plates 4 is provided with a connecting block 5; the connecting block 5 is provided with a tension sleeve 6; the hollow brick The bottom of the head body 1 is provided with a dismounting plate 7; the dismounting plate 7 is connected and fixed to the hollow brick body 1 through several fastening bolts 9.

[0012] The bottom of the dismounting plate 7 is serrated; the bottom of the ferrule 3 is provided with several contact plates 8 in turn.

[0013] Several positioning plates 10 are sequentially arrange...

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PUM

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Abstract

The present invention provides a new type of hollow drill bit, which includes a hollow drill bit body; wherein the hollow drill bit body is provided with several scrapers in turn; each scraper is tightly connected and fixed with a ferrule; wherein the hollow brick body There are several backing plates on the top; a connection block is provided between each of the backing plates; a tension sleeve is provided on the connection block; a disassembly plate is provided at the bottom of the hollow brick body; the bottom of the disassembly plate It is serrated; the bottom of the ferrule is provided with several contact plates in sequence; the impact force with the ground is increased through the scraper and the contact plate, and the strength of the drilling is increased; the connecting block is connected with the equipment, and the stretching force is increased through the tension sleeve . The invention has the beneficial effects of reasonable design, stable structure, high connection strength, convenient punching and improved work efficiency.

Description

technical field [0001] The invention relates to a novel hollow drill bit. Background technique [0002] Bridges, wharves, highways, railways and other building foundation constructions are indispensable to use punching pile machines. At present, the hollow bricks used on punching pile machines have a high damage rate and are not easy to operate, so they need to be improved. Contents of the invention [0003] The invention provides a novel hollow drill bit with reasonable design, stable structure, high connection strength, convenient punching and improved work efficiency. [0004] The present invention is achieved through the following technical solutions: a new type of hollow drill, including a hollow drill body; wherein the hollow drill body is provided with several scrapers in sequence; each of the scrapers is tightly connected and fixed with a ferrule; Wherein the top of the hollow brick body is provided with several backing plates; a connection block is provided bet...

Claims

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Application Information

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IPC IPC(8): E21B10/36E21B10/62
CPCE21B10/36E21B10/62
Inventor 肖琴
Owner 肖琴