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Diamond core bit

A diamond and core technology, used in drill bits, drilling equipment, earth-moving drilling, etc., can solve the problems of easy wear of the sharp teeth, reduce the life of the drill bit, and the inability of the drill bit to effectively discharge powder, etc. Effect

Inactive Publication Date: 2013-05-22
XIAN HUIKE GEOLOGICAL TECH SERVICES
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Problems solved by technology

[0002] There are concentric circular pointed teeth drill bits, which are effective for drilling soft and hard interbedded rocks. However, when the drill bit rotates at high speed, it will generate high temperature. The life of the drill bit; at the same time, this type of drill bit cannot effectively discharge powder, causing the drill powder to sinter into agglomerates under the high-temperature baking of the drill bit, which affects the drilling efficiency of the drill bit

Method used

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  • Diamond core bit

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Embodiment Construction

[0008] The structural principle and working principle of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0009] Referring to accompanying drawing, a kind of diamond core drill bit, comprises diamond matrix 1, is provided with cutting unit 2 in diamond matrix 1, is characterized in that, is provided with the outlet pipe 3 leading to cutting unit 2 in diamond matrix 1 and The powder discharge hole 4 is provided with a side cutting unit 5 on the side of the cutting unit.

[0010] The working principle of the present invention is:

[0011] When in use, the diamond matrix 1 drives the cutting unit 2 and the side cutting unit 5 to rotate at high speed, and the water outlet pipe 3 sprays water through the cutting unit 2 to reduce the temperature of the cutting unit at regular intervals, and the drilled powder is passed through the exhaust pipe at the same time. Get rid of in the space of powder hole and cutting unit 5 ...

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Abstract

A diamond core bit comprises a diamond body. A cutting unit is arranged on the diamond body 1. A water outlet pipe and a powder discharging hole communicated with the cutting unit are arranged in the diamond body. A side cutting unit is arranged on a side face of the cutting unit. The diamond body drives the cutting unit and the side cutting unit to rotate rapidly. The water outlet pipe sprays water outwards through the cutting unit at intervals so that the temperature of the cutting unit is reduced. At the same time, diamond powder drilled is discharged through the powder discharging hole and a gap on the upper portion of the cutting unit so that the diamond core bit has the advantages of being long in service life and high in drilling efficiency.

Description

technical field [0001] The invention relates to a diamond core drill bit for geological drilling. Background technique [0002] There are concentric circular pointed teeth drill bits, which are effective for drilling soft and hard interbedded rocks. However, when the drill bit rotates at high speed, it will generate high temperature. The life of the drill bit; at the same time, this type of drill bit cannot effectively discharge the powder, causing the drill powder to sinter into agglomerates under the high-temperature baking of the drill bit, which affects the drilling efficiency of the drill bit. Contents of the invention [0003] In order to overcome the deficiencies of the above-mentioned prior art, the purpose of the present invention is to provide a diamond core drill bit, which can effectively reduce the temperature of the cutting unit, remove the drilling dust in time, and has the characteristics of long service life and high drilling efficiency. [0004] In order...

Claims

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Application Information

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IPC IPC(8): E21B10/48E21B10/60
Inventor 杨小明
Owner XIAN HUIKE GEOLOGICAL TECH SERVICES
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