CN205858184U - The replaceable combined drill in a kind of colliery - Google Patents
The replaceable combined drill in a kind of colliery Download PDFInfo
- Publication number
- CN205858184U CN205858184U CN201620676240.8U CN201620676240U CN205858184U CN 205858184 U CN205858184 U CN 205858184U CN 201620676240 U CN201620676240 U CN 201620676240U CN 205858184 U CN205858184 U CN 205858184U
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- bit
- reaming
- drill
- level
- linkage section
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Abstract
The utility model discloses the replaceable combined drill in a kind of colliery, including directed stage, one-level reaming bit, secondary chambering drill bit and bit sub, one-level reaming bit, secondary chambering drill bit are dismountable to be set on bit sub and rotates with bit sub, and directed stage is threadingly attached on described bit sub and is simultaneously used for fixing described secondary chambering drill bit and one-level reaming bit.Colliery of the present utility model solves the problems such as conventional drill is non-exchange, drilling efficiency is low, deslagging is slow, intensity is low, utilization rate is low with replaceable combined drill.
Description
Technical field
This utility model relates to the replaceable combined drill in a kind of colliery.
Background technology
Coal mining drill bit, coordinates auger stem to be used for drilling gas, water, pressure relief vent use, and utilization rate is high.By different operating modes
Impact, drill bit cutter head at different levels stress is different, causes abrasion condition different.Combined drill tool bit abrasion, rust, colliery is typically repaiied
Mill can be continuing with, and when reconditioning diminishes to bit diameter, it is impossible to when being continuing with, whole drill bit is scrapped, but other reaming levels
Can also be continuing with, so that causing waste.
When running into rock stratum, by impulsive force, there is bit body fracture, part cutter head tipping, causes whole in drill bit cutter head
Combined drill is scrapped, and also results in waste.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model is to provide the replaceable combination drill in a kind of colliery
Head, each reaming level can be changed, and improves the utilization rate of drill bit.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that
The replaceable combined drill in this utility model one colliery, bores including directed stage, one-level reaming bit, secondary chambering
Head and bit sub；
Described directed stage includes directed stage carbide bit and the directed stage bit body of fixing connection, in described directed stage
It is provided with female thread, the apopore of water outlet cooling cutter head when described directed stage carbide bit is provided with for creeping into；
Described bit sub includes shank body, reaming linkage section and the directed stage linkage section being sequentially connected with, and sets in described bit sub
It is equipped with central water outlet hole, is provided with in described shank body and fixes the female thread being connected with auger stem, on described directed stage linkage section
It is provided with the fixing external screw thread being connected of the coupling of the female thread with described directed stage bit body；
Described one-level reaming bit includes one-level reaming bit body and the one-level carbide bit of fixing connection, described one
Being provided with, in level reaming bit, the central through hole mated with described reaming linkage section, described reaming linkage section drives described one-level to expand
Drill rotates；
Described secondary chambering drill bit includes the secondary chambering bit body of fixing connection and two grades of carbide bits, described two
Being provided with, in level reaming bit, the central through hole mated with described reaming linkage section, described reaming linkage section drives described two grades of expansions
Drill rotates；
Described secondary chambering drill bit and described one-level reaming bit pass sequentially through central through hole respectively and are set in described drill bit
The reaming linkage section of handle, described directed stage is threadingly attached to the directed stage linkage section of described bit sub and is simultaneously used for fixing
Described secondary chambering drill bit and one-level reaming bit；
The external diameter of described directed stage is less than the external diameter of described one-level reaming bit, and the external diameter of described one-level reaming bit is less than
The external diameter of described secondary chambering drill bit.
Further, described bit bodys at different levels are arranged crosswise, beneficially deslagging.
Further, described directed stage bit body is formed by high strength alloy steel forging.
Further, described bit sub is formed in one structure.
Further, described directed stage carbide bit and directed stage bit body use solder brazing to be welded.
Further, described one-level carbide bit and one-level reaming bit body use solder brazing to be welded.
Further, described two grades of carbide bits and secondary chambering bit body use solder brazing to be welded.
Further, described reaming linkage section is polygonal body or obform body, described secondary chambering drill bit and described one-level
The central through hole of reaming bit is the polygonal hole or irregularly-shaped hole mated with described reaming linkage section.
Further, described reaming linkage section is for carrying oblate post, described secondary chambering drill bit and described one-level reaming bit
Central through hole be the flat hole of band mated with described reaming linkage section.
Compared with prior art, Advantageous Effects of the present utility model: drill bits at different levels are replaceable, intensity is high, and is beneficial to
Deslagging, is greatly promoted drilling efficiency and drill bit utilization rate, saves production cost.
Accompanying drawing explanation
The utility model is described in further detail in explanation below in conjunction with the accompanying drawings.
Fig. 1 is this utility model colliery structural representation with replaceable combined drill；
Fig. 2 is the structural representation of directed stage；
Fig. 3 is the main TV structure schematic diagram of one-level reaming bit；
Fig. 4 is the left view structural representation of one-level reaming bit；
Fig. 5 is the main TV structure schematic diagram of secondary chambering drill bit；
Fig. 6 is the left view structural representation of secondary chambering drill bit；
Fig. 7 is the main TV structure schematic diagram of bit sub；
Fig. 8 is the A-A sectional view of bit sub；
Description of reference numerals: 1-directed stage；101-directed stage carbide bit；102-directed stage bit body；103-goes out
Water hole；2-one-level reaming bit；201-one-level carbide bit；202-one-level reaming bit body；3-secondary chambering drill bit；
301-one-level carbide bit；302-one-level reaming bit body；4-bit sub；401-shank body；402-reaming linkage section；403-
Directed stage linkage section；5-central through hole；6-central water outlet hole.
Detailed description of the invention
As it is shown in figure 1, the replaceable combined drill in a kind of colliery, bore including directed stage, one-level reaming bit, secondary chambering
Head and bit sub；
As in figure 2 it is shown, described directed stage 1 includes the directed stage carbide bit using solder brazing to be welded and fixed connection
101 and directed stage bit body 102, it is provided with female thread, described directed stage carbide bit in described directed stage bit body 102
The apopore 103 of water outlet cooling cutter head when being provided with for creeping on 101；
As shown in FIG. 7 and 8, described bit sub 4 includes the shank body 401 being sequentially connected with, reaming linkage section 402 and guides cascade
The section of connecing 403, is provided with central water outlet hole 6 in described bit sub 4, be provided be connected fixing with auger stem in described shank body 401
Female thread, described directed stage linkage section 403 is provided with the coupling of the female thread with described directed stage bit body 102 is fixing to be connected
External screw thread；
As shown in Figures 3 and 4, described one-level reaming bit 2 includes the one-level reamer using solder brazing to be welded and fixed connection
Head body 201 and one-level carbide bit 202, be provided with in described one-level reaming bit 2 and mate with described reaming linkage section 402
Central through hole 5, described reaming linkage section 402 drives described one-level reaming bit 2 to rotate；
As it can be seen in figures 5 and 6, described secondary chambering drill bit 3 includes that the secondary chambering using solder brazing to be welded and fixed connection bores
Head body 301 and two grades of carbide bits 302, be provided with in described secondary chambering drill bit 3 and mate with described reaming linkage section 402
Central through hole 5, described reaming linkage section 402 drives described secondary chambering drill bit 3 to rotate；
As it is shown in figure 1, described secondary chambering drill bit 3 and described one-level reaming bit 2 pass sequentially through central through hole 5 respectively and overlap
Being loaded on the reaming linkage section 402 of described bit sub 4, described directed stage 1 is threadingly attached to the guiding cascade of described bit sub 4
The section of connecing 403 is also simultaneously used for fixing described secondary chambering drill bit 3 and one-level reaming bit 2；The external diameter of described directed stage 1 is less than institute
Stating the external diameter of one-level reaming bit 2, the external diameter of described one-level reaming bit 2 is less than the external diameter of described secondary chambering drill bit 3, at different levels
Described bit body is arranged crosswise, beneficially deslagging.
Wherein directed stage bit body 102 is formed by high strength alloy steel forging；Bit sub 4 is formed in one structure；Reaming
Linkage section 402 is in polygonal body or obform body, as carried oblate post, described secondary chambering drill bit 3 and described one-level reaming bit 2
Central through hole 5 is the polygonal hole or irregularly-shaped hole mated with described reaming linkage section 402, and as carried flat hole, such structure designs
On the one hand play the effect of transmission moment of torsion, on the one hand realize quick-replaceable effect.One-level reaming bit 2 and secondary chambering drill bit
Can also arrange apopore on 3 and cool down cutter head with water outlet, reaming linkage section 402 arranges corresponding apopore simultaneously.Shank body 401
On be provided with apopore to go out water cooling firsts and seconds cutter head.
Course of action of the present utility model is as follows:
First guiding by directed stage 1 has cut the bore operation to small-bore, the most again by one-level reaming bit 2, two grades
Reaming bit 3 carries out ream operation, reaches required aperture, whole hole, cooling water by central water outlet hole 6 to apopore 103 to go out
Water cooling cutter head, described bit bodys the most at different levels are arranged crosswise, beneficially deslagging.The once bit damage of certain grade, can be quick
Realize dismounting and change, reduce whole drill bit scrappage, reduce cost, be greatly promoted drilling efficiency simultaneously.
Embodiment described above is only to be described optimal way of the present utility model, not to of the present utility model
Scope is defined, and on the premise of without departing from this utility model design spirit, those of ordinary skill in the art are new to this practicality
Various deformation that the technical scheme of type is made and improvement, all should fall into the protection domain that this utility model claims determine
In.
Claims (9)
1. the replaceable combined drill in colliery, it is characterised in that: include directed stage, bit sub, one-level reaming bit and two
Level reaming bit；
Described directed stage includes directed stage carbide bit and directed stage bit body, the described directed stage bit body of fixing connection
Inside it is provided with female thread, the apopore of water outlet cooling cutter head when described directed stage carbide bit is provided with for creeping into；
Described bit sub includes shank body, reaming linkage section and the directed stage linkage section being sequentially connected with, and is provided with in described bit sub
Central water outlet hole, is provided with in described shank body and fixes the female thread being connected with auger stem, and described directed stage linkage section is arranged
There is the fixing external screw thread being connected of the coupling of the female thread with described directed stage bit body；
Described one-level reaming bit includes one-level reaming bit body and the one-level carbide bit of fixing connection, and described one-level expands
Being provided with the central through hole mated with described reaming linkage section in drill, described reaming linkage section drives described one-level reamer
Head rotates；
Described secondary chambering drill bit includes secondary chambering bit body and two grades of carbide bits, described two grades of expansions of fixing connection
Being provided with the central through hole mated with described reaming linkage section in drill, described reaming linkage section drives described secondary chambering to bore
Head rotates；
Described secondary chambering drill bit and described one-level reaming bit pass sequentially through central through hole respectively and are set in described bit sub
Reaming linkage section, described directed stage is threadingly attached to the directed stage linkage section of described bit sub and is simultaneously used for fixing described
Secondary chambering drill bit and one-level reaming bit；
The external diameter of described directed stage is less than the external diameter of described one-level reaming bit, and the external diameter of described one-level reaming bit is less than described
The external diameter of secondary chambering drill bit.
The replaceable combined drill in colliery the most according to claim 1, it is characterised in that: described bit bodys at different levels are intersection
Arrange, beneficially deslagging.
The replaceable combined drill in colliery the most according to claim 1, it is characterised in that: described directed stage bit body by
High strength alloy steel forging forms.
The replaceable combined drill in colliery the most according to claim 1, it is characterised in that: described bit sub is formed in one
Structure.
The replaceable combined drill in colliery the most according to claim 1, it is characterised in that: described directed stage carbide cutter tool
Head and directed stage bit body use solder brazing to be welded.
The replaceable combined drill in colliery the most according to claim 1, it is characterised in that: described one-level carbide bit
Solder brazing is used to be welded with one-level reaming bit body.
The replaceable combined drill in colliery the most according to claim 1, it is characterised in that: described two grades of carbide bits
Solder brazing is used to be welded with secondary chambering bit body.
The replaceable combined drill in colliery the most according to claim 1, it is characterised in that: described reaming linkage section is polygon
Body or obform body, the central through hole of described secondary chambering drill bit and described one-level reaming bit is and described reaming linkage section
The polygonal hole joined or irregularly-shaped hole.
The replaceable combined drill in colliery the most according to claim 8, it is characterised in that: described reaming linkage section is flat for band
Cylinder, the band that the central through hole of described secondary chambering drill bit and described one-level reaming bit is with described reaming linkage section mates is flat
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620676240.8U CN205858184U (en) | 2016-06-30 | 2016-06-30 | The replaceable combined drill in a kind of colliery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620676240.8U CN205858184U (en) | 2016-06-30 | 2016-06-30 | The replaceable combined drill in a kind of colliery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205858184U true CN205858184U (en) | 2017-01-04 |
Family
ID=57644016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620676240.8U Active CN205858184U (en) | 2016-06-30 | 2016-06-30 | The replaceable combined drill in a kind of colliery |
Country Status (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630661A (en) * | 2017-11-22 | 2018-01-26 | 祁东县锋速钻探工具有限公司 | Can fast drilling multistage drill bit |
| CN108915596A (en) * | 2018-07-05 | 2018-11-30 | 邹城兖矿泰德工贸有限公司 | Combined broaching bit for mine |
| CN108952577A (en) * | 2018-06-15 | 2018-12-07 | 焦作市恒利水文地质工程有限责任公司 | A kind of drilling tool positioning and orienting device |
| CN109915023A (en) * | 2019-04-04 | 2019-06-21 | 河南城建学院 | Extraction borehole multiple aperture drilling apparatus and its construction method based on gas permeability difference |
| CN111395969A (en) * | 2020-04-24 | 2020-07-10 | 杭州图强工程材料有限公司 | Combined drill bit structure for drilling anchor rod/anchor cable and construction method thereof |
| CN113090186A (en) * | 2021-03-22 | 2021-07-09 | 中煤科工集团西安研究院有限公司 | Coal mine underground bundling type large-diameter directional drilling and expanding integrated tool and method |
-
2016
- 2016-06-30 CN CN201620676240.8U patent/CN205858184U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630661A (en) * | 2017-11-22 | 2018-01-26 | 祁东县锋速钻探工具有限公司 | Can fast drilling multistage drill bit |
| CN108952577A (en) * | 2018-06-15 | 2018-12-07 | 焦作市恒利水文地质工程有限责任公司 | A kind of drilling tool positioning and orienting device |
| CN108915596A (en) * | 2018-07-05 | 2018-11-30 | 邹城兖矿泰德工贸有限公司 | Combined broaching bit for mine |
| CN109915023A (en) * | 2019-04-04 | 2019-06-21 | 河南城建学院 | Extraction borehole multiple aperture drilling apparatus and its construction method based on gas permeability difference |
| CN109915023B (en) * | 2019-04-04 | 2020-11-03 | 河南城建学院 | Extraction drilling multi-aperture drilling device based on air permeability difference and construction method thereof |
| CN111395969A (en) * | 2020-04-24 | 2020-07-10 | 杭州图强工程材料有限公司 | Combined drill bit structure for drilling anchor rod/anchor cable and construction method thereof |
| CN113090186A (en) * | 2021-03-22 | 2021-07-09 | 中煤科工集团西安研究院有限公司 | Coal mine underground bundling type large-diameter directional drilling and expanding integrated tool and method |
| CN113090186B (en) * | 2021-03-22 | 2023-01-31 | 中煤科工集团西安研究院有限公司 | Coal mine underground bundling type large-diameter directional drilling and expanding integrated tool and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |