CN212406599U - Bidirectional anti-sticking drill bit for coal mine - Google Patents
Bidirectional anti-sticking drill bit for coal mine Download PDFInfo
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- CN212406599U CN212406599U CN202021781933.6U CN202021781933U CN212406599U CN 212406599 U CN212406599 U CN 212406599U CN 202021781933 U CN202021781933 U CN 202021781933U CN 212406599 U CN212406599 U CN 212406599U
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Abstract
The utility model discloses a two-way anti-sticking bores drill bit for coal mine, it includes the brill body, its characterized in that: the bottom end of the drill body is provided with a drill rod joint, the outer side wall and the top end of the drill body are provided with a plurality of blades, slag return gate grooves are arranged among the blades, a water tank is arranged inside the drill body, the top end and the side wall of the water tank extend out of the outer side of the drill body, the bottom end of the water tank is communicated with the drill rod joint, and the side walls of the blades are provided with high-strength alloy sheets. Through set up on the drill bit and return sediment crossheading and basin, sediment and water all can be discharged through returning sediment crossheading and basin, effectively solved drilling and can appear sticking the brill when withdrawing from and creeps into, hole collapse and drilling rod technical problem such as can't withdraw from, reduce the emergence and personnel safety and the loss of property of gas and water damage accident, gained fine result of use.
Description
Technical Field
The utility model relates to a drill bit for the colliery especially relates to a two-way anti-sticking bores drill bit for coal mine, belongs to colliery water extraction equipment technical field.
Background
Coal mine water and gas are natural disasters of coal mines, and gas drainage and water exploration and drainage can be realized only by drilling; the coal rock stratum is broken in most areas when gas drainage drilling holes and water drainage drilling holes are constructed, and the situations of drill sticking, hole collapse, incapability of withdrawing a drill rod and the like can occur when the construction drilling holes are withdrawn and drilled, so that the drainage and water drainage drilling holes cannot achieve the expected effect, gas and water damage accidents are caused, and the safety and property loss of crisis personnel are caused.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the utility model provides a two-way anti-sticking bores drill bit for coal mine, through set up on the drill bit and return sediment crossheading and basin, sediment and water all can be discharged through returning sediment crossheading and basin, effectively solved drilling and can appear sticking the brill when withdrawing from and creep into, hole collapse and drilling rod technical problem such as can't withdraw from, reduce the emergence and personnel's safety and the loss of property of gas and water damage accident.
The technical scheme of the utility model is that: the utility model provides a two-way anti-sticking bores drill bit for coal mine, it includes the brill body, its characterized in that: the bottom end of the drill body is provided with a drill rod joint, the outer side wall and the top end of the drill body are provided with a plurality of blades, slag return gate grooves are arranged among the blades, a water tank is arranged inside the drill body, the top end and the side wall of the water tank extend out of the outer side of the drill body, and the bottom end of the water tank is communicated with the drill rod joint.
And the side wall of the blade is provided with a high-strength alloy sheet.
The utility model has the advantages that: compared with the prior art, the technical scheme of the utility model is adopted, through setting up the slag crossheading and the basin of returning on the drill bit, slag and water all can be through returning slag crossheading and basin and discharging, through welding high strength alloy piece in the top bottom of the drill body, the drilling rod is connected with the drill bit through with the drilling rod interface, provide power through the rig when the drill bit drills into, the high strength alloy piece above the drill bit cuts the rock mass, the drill bit is cooled down through the basin and is washed out the bits of broken slag out of the drilling through water pressure when the drill bit drills into and withdraws from; thereby playing the effect of preventing sticking. The technical problems that drill holes are stuck and collapsed, the drill rod cannot be withdrawn and the like when the drill holes are withdrawn and drilled are effectively solved, the gas and water damage accidents are reduced, the personnel safety and the property loss are reduced, and a good using effect is achieved.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a bottom view of the present invention;
fig. 3 is a sectional view of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Example 1: as shown in the attached figures 1-3, the bidirectional anti-sticking drill bit for the coal mine comprises a drill body 5, and is characterized in that: the bottom end of the drill body 5 is provided with a drill rod joint 4, the outer side wall and the top end of the drill body 5 are provided with a plurality of blades 6, slag return gate grooves 1 are arranged among the blades 6, a water tank 3 is arranged inside the drill body 5, the top end and the side wall of the water tank 3 extend out of the drill body 5, and the bottom end is communicated with the drill rod joint 4.
Further, the high-strength alloy sheet 2 is arranged on the side wall of the blade 6.
The high-strength alloy sheet 2 is welded on a drill body 5, a drill rod is connected with a drill bit through a drill rod connector 4, the drill bit provides power when drilling, the high-strength alloy sheet 2 above the drill bit cuts a rock body, pressure water rushes onto the high-strength alloy sheet 2 through a water tank 3 to cool the high-strength alloy sheet 2 in the drilling process of the drill bit, and meanwhile, slag is returned out of a drill hole through a slag return crossheading 1; when the drill bit is withdrawn, the high-strength alloy sheet 2 at the bottom of the drill bit cuts the broken rock body or the hole collapse part. The slag is flushed out of the bore hole by the water pressure of the bore hole. Thereby achieving the effects of drilling and withdrawing.
The high-strength alloy sheet 2 is communicated with the slag returning water tank 1 from top to bottom, the drill bit is cooled through the water tank 3, the slag is flushed out of the drilled hole through water power, and the high-strength alloy sheet 2 at the bottom of the drill bit cuts the broken rock body or the hole collapse part when the drill bit is withdrawn, so that the purpose of preventing the drill bit from being stuck is achieved.
The high-strength alloy sheet 2 is used as a basic structure of a bidirectional anti-sticking drill bit for the underground coal mine and is arranged at the upper part and the lower part of the drill bit, a drill rod of the high-strength alloy sheet is connected with the drill bit through a drill rod interface, and the drill bit is cooled through a water tank 3 and crushed slag is flushed out of a drill hole through water pressure when the drill bit drills in and out; thereby playing the effect of preventing sticking.
The introduction of the bottom high-strength alloy sheet 2 controls the conditions of hole collapse or water swelling of rocks and the like of the drilled hole after drilling, and the crushed slag of the hole collapse or water swelling part of the rocks is flushed out of the drilled hole through water pressure through the rotation of the drilled hole when the drilled hole is withdrawn.
The bottom of the bidirectional anti-sticking drill bit for the underground coal mine comprises a high-strength alloy sheet 2 welded on a drill body, a drill rod interface 4 is used for drilling, power is provided by a drilling machine to enable the drill bit to be in forward transmission, the drill rod is withdrawn outwards, when the drill bit passes through a collapsed hole and a mudstone expansion area, the drill bit rotates the high-strength alloy sheet 2 to smash rocks in the collapsed hole and the mudstone expansion area, and smashed slag flows out of the drill hole through a slag return gate 1, so that the anti-sticking drill effect is achieved.
The two-way anti-sticking drill bit top for the underground coal mine comprises a high-strength alloy sheet 2 welded on a drill body, wherein the drill provides power to enable a drill bit to positively transmit, when a drill rod drills inwards, the drill bit rotates the high-strength alloy sheet 2 to cut rocks, and broken slag flows out of a drill hole through a slag return gate 1, so that the effect of drilling is achieved.
A bidirectional anti-sticking drill bit for underground coal mines is characterized in that a high-strength alloy sheet 2 is welded on a drill body, a drill rod is connected with the drill bit through a drill rod connector 4, power is provided by a drilling machine when the drill bit drills, the high-strength alloy sheet 2 above the drill bit cuts a rock body, pressure water rushes to the high-strength alloy sheet 2 through a water tank 3 to cool the high-strength alloy sheet 2 in the drilling process of the drill bit, and broken slag is returned out of a drill hole through a slag return crossheading 1; when the drill bit is withdrawn, the high-strength alloy sheet 2 at the bottom of the drill bit cuts the broken rock body or the hole collapse part. The slag is flushed out of the bore hole by the water pressure of the bore hole. Thereby achieving the effects of drilling and withdrawing.
The parts of the present invention not described in detail are the known techniques of those skilled in the art. Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (2)
1. The utility model provides a two-way anti-sticking bores drill bit for coal mine, it includes bores body (5), its characterized in that: the drill is characterized in that a drill rod joint (4) is arranged at the bottom end of the drill body (5), a plurality of blades (6) are arranged on the outer side wall and the top end of the drill body (5), slag return gate grooves (1) are arranged between the blades (6), a water tank (3) is arranged inside the drill body (5), the top end and the side wall of the water tank (3) extend out of the outer side of the drill body (5), and the bottom end is communicated with the drill rod joint (4).
2. The bi-directional stuck-proof drill bit for coal mines as set forth in claim 1, wherein: and the side wall of the blade (6) is provided with a high-strength alloy sheet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021781933.6U CN212406599U (en) | 2020-08-24 | 2020-08-24 | Bidirectional anti-sticking drill bit for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021781933.6U CN212406599U (en) | 2020-08-24 | 2020-08-24 | Bidirectional anti-sticking drill bit for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212406599U true CN212406599U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021781933.6U Active CN212406599U (en) | 2020-08-24 | 2020-08-24 | Bidirectional anti-sticking drill bit for coal mine |
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| Country | Link |
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| CN (1) | CN212406599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946267A (en) * | 2020-08-24 | 2020-11-17 | 贵州盘江精煤股份有限公司 | Two-way anti-sticking drill bit with washing and slag-smoothing functions for coal mine |
-
2020
- 2020-08-24 CN CN202021781933.6U patent/CN212406599U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946267A (en) * | 2020-08-24 | 2020-11-17 | 贵州盘江精煤股份有限公司 | Two-way anti-sticking drill bit with washing and slag-smoothing functions for coal mine |
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