CN208220708U - Coal bed gas extraction hole sealing device - Google Patents
Coal bed gas extraction hole sealing device Download PDFInfo
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- CN208220708U CN208220708U CN201820540523.9U CN201820540523U CN208220708U CN 208220708 U CN208220708 U CN 208220708U CN 201820540523 U CN201820540523 U CN 201820540523U CN 208220708 U CN208220708 U CN 208220708U
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- pouch
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- sealing
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- liquid
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Abstract
A kind of coal bed gas extraction hole sealing device provided by the utility model, including sealing of hole part, sealing of hole part include hole sealing tube, the first pouch and the second pouch；First pouch memory is placed with polyurethane A liquid, and the second pouch memory is placed with polyurethane B liquid；First pouch and the second pouch are longitudinally bonded in sealing of hole pipe outer wall.It is cased on sealing of hole part and punctures component, puncturing component includes connection annulus, and each connect is connected between annulus by longitudinal rod；Multiple lateral blades are provided on the inside of longitudinal rod.Above-mentioned coal bed gas extraction hole sealing device can cut open the first pouch and the second pouch when puncturing component rotation, and the polyurethane A liquid and polyurethane B liquid in the first pouch and the second pouch are uniformly mixed and occur polymerization reaction, form solid state and reinforce charges.Fill the gap between hole sealing tube and drilling by coal bed gas extraction hole sealing device, use process is more convenient, and each section of hole sealing tube upper polyurethane A liquid and polyurethane B liquid are evenly distributed, be not at portion gap without charges are reinforced the case where.
Description
Technical field
The utility model relates to mine ventilation and safety fields, and in particular to a kind of applied to the efficient extraction of coal-bed gas
Rapid hole sealing device.
Background technique
In coal mine sealing of hole, yellow mud or cement group sealing of hole are China using earliest method for sealing, and this method uses equipment
Less, at low cost, but the labor intensity of worker is larger, and time-consuming and laborious, sealing of hole effect is poor, and yellow mud or clay are met water and easily softened,
It is often suitable only in drilling opening in the place of rock gangway, hole sealing depth is also shorter, and the extraction layer position of gas is vulnerable to limitation.Compared to it
Under, the hole sealing depth of injection hole sealing technology is relatively long, but because cement mortar it is dry it is blocking after often there are many cracks, seriously
The quality of sealing of hole is influenced so polyurethane material hole sealing technology comes into being, but in polyurethane sealing of hole technical application, needs
First polyurethane A liquid and polyurethane B liquid are mixed, the gap between releasing pipe and drilling is pumped by grouting pump after mixing.
Utility model content
In order to solve to need in the prior art in advance to mix polyurethane A liquid and polyurethane B liquid, and by mixed poly- ammonia
Ester mixed liquor is pumped into the problem of gap between releasing pipe and drilling, and the utility model provides a kind of coal bed gas extraction and quickly seals
Aperture apparatus.
A kind of coal bed gas extraction hole sealing device provided by the utility model, including sealing of hole part, sealing of hole part include hole sealing tube,
First pouch and the second pouch；The first pouch memory is placed with polyurethane A liquid, and the second pouch memory is placed with polyurethane B liquid；The
One pouch and the second pouch it is in long strip and it is longitudinal be bonded in sealing of hole pipe outer wall, the first pouch and the second pouch interval point
Cloth.It is cased on sealing of hole part and punctures component, the component that punctures includes the multiple connection annulus covered on sealing of hole part, respectively connects annulus
Between be connected by longitudinal rod；Multiple lateral blades are provided on the inside of the longitudinal rod；First pouch and the second capsule
There is gap between bag, lateral blade is in the gap between the first pouch and the second pouch.
Preferably, the rear portion of the lateral blade is connected by a hinge on longitudinal rod；The middle part of each transverse direction blade is also
It is connected with pull rod, the outer end of pull rod is provided with stretching handle；Transverse direction blade and the first pouch and the second pouch when pull rod is not drawn outside
Parallel, face and the first pouch and the second pouch are perpendicular where transverse direction blade when drawing outside pull rod.The rear portion of the transverse direction blade
It is connected by a hinge, rotates left and right lateral blade.The transverse direction blade is connected with pull rod, when being not used, lateral blade
It is parallel with the first pouch and the second pouch, prevent lateral blade from cutting open the first pouch and the second pouch；When needing to carry out sealing of hole
When processing, is pushed away by stretching handle by pull rod pull-out or in pushing to, lateral blade can be made vertical with the first pouch and the second pouch,
Facilitate the first pouch of cutting and the second pouch.
Preferably, front support annulus and rear support annulus, front support annulus is also respectively connected in the both ends of the longitudinal rod
With rear support annulus and hole sealing tube clearance fit, the first pouch and the second pouch be located at front support annulus and rear support annulus it
Between.The setting of the front support annulus and rear support annulus, can support and puncture component, prevent from puncturing component around the rotation of sealing of hole part
Lateral deviation when turning.
Further preferably, the side that the hole sealing tube stretches out drilling also passes through bolt and is provided with first baffle.The first gear
The setting of plate can prevent polyurethane A liquid and polyurethane B liquid from flowing out from the outside of hole sealing tube.
Further preferably, first baffle is provided with tie rod hole, and pull rod stretches out from tie rod hole, and pull rod stretches out one end of tie rod hole
It is connected with handle is stretched, sealing ring is additionally provided at tie rod hole.Tie rod hole is set at the first baffle, work people can be facilitated
Member operates pull rod.
Further preferably, the rod segment that the pull rod stretches out tie rod hole is additionally provided with pin hole, is equipped with fixed pin in pin hole；First
Fixed block is provided on baffle, fixed pin passes through the location hole on fixed block.The setting of the pin hole and fixed pin can prevent
Pull rod moves during transportation, and then prevents lateral blade movement；When needing to carry out sealing pores, staff need to be removed
Fixed pin controls pull rod movement by stretching handle.
The utility model compared with prior art, has the advantages that
Above-mentioned coal bed gas extraction hole sealing device, when use, protrude into hole sealing tube in drilling, when puncturing component rotation, laterally
Blade can cut open the first pouch and the second pouch, polyurethane A liquid and the mixing of polyurethane B liquid in the first pouch and the second pouch
Uniformly, polymerization reaction occurs after polyurethane A liquid and the mixing of polyurethane B liquid, forms solid state and reinforces charges.Pass through above-mentioned coal seam
Gas drainage hole sealing device is filled with the gap between hole sealing tube and drilling, without mixing polyurethane A liquid and polyurethane B in advance
Mixed liquor is pumped into drilling and hole sealing tube gap without using grouting pump by liquid, and use process is more convenient.In use process, poly- ammonia
The mixed liquor of ester A liquid and polyurethane B liquid will not premature polymerization reaction, each section of hole sealing tube upper polyurethane A liquid and the distribution of polyurethane B liquid
Uniformly, be not at portion gap without reinforce charges the case where.Staff can choose the polyurethane A liquid of immediate reaction
With polyurethane B liquid, reacted without falling into a long wait polyurethane A liquid and polyurethane B liquid.
Detailed description of the invention
Fig. 1 is the cross-sectional view of coal bed gas extraction hole sealing device.
1 hole sealing tube；21 first pouches；22 second pouches；31 connection annulus；32 pull rods；33 rear support annulus；34 front supports
Annulus；4 first baffles；41 bolts；5 drillings.
Specific embodiment
The utility model is described in detail below with reference to Fig. 1.
A kind of coal bed gas extraction hole sealing device provided by the utility model, including sealing of hole part, sealing of hole part include hole sealing tube
1, the first pouch 21 and the second pouch 22, the side that hole sealing tube 1 stretches out drilling 5 also pass through bolt 41 and are provided with first baffle 4.Institute
It states 21 memory of the first pouch and is placed with polyurethane A liquid, 22 memory of the second pouch is placed with polyurethane B liquid；First pouch 21 and the second capsule
Bag 22 have it is multiple, the first pouch 21 and the second pouch 22 it is in long strip and it is longitudinal be bonded on 1 outer wall of hole sealing tube, the first pouch
21 and second pouch 22 be spaced apart.Be cased on sealing of hole part and puncture component, it is described puncture component include cover it is more on sealing of hole part
A connection annulus 31, each connect are connected between annulus 31 by longitudinal rod；Before the both ends of the longitudinal rod are also respectively connected
Support annulus 34 and rear support annulus 33, front support annulus 34 and rear support annulus 33 and 1 clearance fit of hole sealing tube, the first pouch
21 and second pouch 22 between front support annulus 34 and rear support annulus 33.Multiple cross are provided on the inside of the longitudinal rod
To blade；There is gap between first pouch 21 and the second pouch 22, lateral blade is located at the first pouch 21 and the second pouch
In gap between 22.
Further, the rear portion of the lateral blade is connected by a hinge on longitudinal rod；The middle part of each transverse direction blade
It is also connected with pull rod 32, the outer end of pull rod 32 is provided with stretching handle.First baffle 4 is provided with 32 hole of pull rod, and pull rod 32 is from drawing
It is stretched out at 32 hole of bar, one end that pull rod 32 stretches out 32 hole of pull rod is connected with handle is stretched, and pull rod is additionally provided with sealing at 32 hole
Circle.Transverse direction blade is parallel with the first pouch 21 and the second pouch 22 when pull rod 32 is not drawn outside, transverse direction blade when drawing outside pull rod 32
Place face and the first pouch 21 and the second pouch 22 are perpendicular.The rear portion of the transverse direction blade is connected by a hinge, and makes lateral knife
Piece can rotate left and right.It is described transverse direction blade be connected with pull rod 32, be not used when, lateral blade with the first pouch 21 and second
Pouch 22 is parallel, prevents lateral blade from cutting open the first pouch 21 and the second pouch 22；When needing to carry out sealing pores, pass through drawing
It stretches handle to pull out pull rod 32 or push away in pushing to, lateral blade can be made vertical with the first pouch 21 and the second pouch 22, conveniently cut
Cut the first pouch 21 and the second pouch 22.
Further, the rod segment that the pull rod 32 stretches out 32 hole of pull rod is additionally provided with pin hole, is equipped with fixed pin in pin hole；
Fixed block is provided on first baffle 4, fixed pin passes through the location hole on fixed block.The setting of the pin hole and fixed pin, can
To prevent pull rod 32 from moving during transportation, and then prevent lateral blade movement；When needing to carry out sealing pores, work people
Member need to remove fixed pin, control the movement of pull rod 32 by stretching handle.
Coal bed gas extraction hole sealing device is protruded into drilling 5 when use, is punctured by above-mentioned coal bed gas extraction hole sealing device
When component rotates, lateral blade can cut open the first pouch 21 and the second pouch 22, in the first pouch 21 and the second pouch 22
Polyurethane A liquid and polyurethane B liquid are uniformly mixed, and polymerization reaction occurs after polyurethane A liquid and the mixing of polyurethane B liquid, forms solid
State reinforces charges.It is filled with the gap between hole sealing tube 1 and drilling 5 by above-mentioned coal bed gas extraction hole sealing device, is not necessarily to
Polyurethane A liquid and polyurethane B liquid are mixed in advance, and mixed liquor is pumped into drilling 5 and 1 gap of hole sealing tube without using grouting pump, is made
It is more convenient with process.In use process, the mixed liquor of polyurethane A liquid and polyurethane B liquid will not premature polymerization reaction, hole sealing tube 1
Each section of upper polyurethane A liquid and polyurethane B liquid are evenly distributed, be not at portion gap without charges are reinforced the case where.Work
Personnel can choose the polyurethane A liquid and polyurethane B liquid of immediate reaction, without falling into a long wait polyurethane A liquid and polyurethane B liquid
Reaction.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, are also answered
Belong to the protection scope of the utility model.
Claims (6)
1. coal bed gas extraction hole sealing device, which is characterized in that including sealing of hole part, sealing of hole part include hole sealing tube, the first pouch and
Second pouch；The first pouch memory is placed with polyurethane A liquid, and the second pouch memory is placed with polyurethane B liquid；First pouch and
Two pouches are in long strip and longitudinal direction is bonded in sealing of hole pipe outer wall, and the first pouch and the second pouch are spaced apart；
It is cased on sealing of hole part and punctures component, the component that punctures includes the multiple connection annulus covered on sealing of hole part, each connection circle
It is connected between ring by longitudinal rod；Multiple lateral blades are provided on the inside of the longitudinal rod；First pouch and second
There is gap between pouch, lateral blade is in the gap between the first pouch and the second pouch.
2. coal bed gas extraction hole sealing device as described in claim 1, which is characterized in that the rear portion of the transverse direction blade is logical
It crosses and is hingedly connected on longitudinal rod；It is also connected with pull rod in the middle part of each transverse direction blade, the outer end of pull rod is provided with stretching handle；It draws
Bar is outer when drawing, and transverse direction blade is parallel with the first pouch and the second pouch, face and the first capsule where transverse direction blade when drawing outside pull rod
Bag and the second pouch are perpendicular.
3. coal bed gas extraction hole sealing device as claimed in claim 1 or 2, which is characterized in that the both ends of the longitudinal rod are also
It is connected separately with front support annulus and rear support annulus, front support annulus and rear support annulus and hole sealing tube clearance fit, first
Pouch and the second pouch are between front support annulus and rear support annulus.
4. coal bed gas extraction hole sealing device as claimed in claim 2, which is characterized in that the hole sealing tube stretches out the one of drilling
Side also passes through bolt and is provided with first baffle.
5. coal bed gas extraction hole sealing device as claimed in claim 4, which is characterized in that first baffle is provided with tie rod hole,
Pull rod stretches out from tie rod hole, and one end that pull rod stretches out tie rod hole is connected with handle is stretched, and sealing is additionally provided at tie rod hole
Circle.
6. coal bed gas extraction hole sealing device as claimed in claim 4, which is characterized in that the pull rod stretches out the bar of tie rod hole
Section is additionally provided with pin hole, is equipped with fixed pin in pin hole；Fixed block is provided on first baffle, fixed pin passes through on fixed block
Location hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820540523.9U CN208220708U (en) | 2018-04-17 | 2018-04-17 | Coal bed gas extraction hole sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820540523.9U CN208220708U (en) | 2018-04-17 | 2018-04-17 | Coal bed gas extraction hole sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208220708U true CN208220708U (en) | 2018-12-11 |
Family
ID=64529279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820540523.9U Active CN208220708U (en) | 2018-04-17 | 2018-04-17 | Coal bed gas extraction hole sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208220708U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494266A (en) * | 2021-09-01 | 2021-10-12 | 洛阳贝隆实业有限公司 | Gas drainage hole plugging device and using method thereof |
| CN113514019A (en) * | 2021-04-15 | 2021-10-19 | 安徽理工大学 | Multi-point continuous observation device for deep displacement of coal seam roof |
-
2018
- 2018-04-17 CN CN201820540523.9U patent/CN208220708U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514019A (en) * | 2021-04-15 | 2021-10-19 | 安徽理工大学 | Multi-point continuous observation device for deep displacement of coal seam roof |
| CN113514019B (en) * | 2021-04-15 | 2022-08-05 | 安徽理工大学 | Multi-point continuous observation device for deep displacement of coal seam roof |
| CN113494266A (en) * | 2021-09-01 | 2021-10-12 | 洛阳贝隆实业有限公司 | Gas drainage hole plugging device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190704 Address after: 276017 No. 69 Commercial Street, Luozhuang District, Linyi City, Shandong Province Co-patentee after: TRADE UNION COMMITTEE OF SHANDONG COAL TECHNICIAN College Patentee after: LINYI MINING GROUP Co.,Ltd. Address before: 276017 No. 366 Luosi Road, Luozhuang District, Linyi City, Shandong Province Patentee before: TRADE UNION COMMITTEE OF SHANDONG COAL TECHNICIAN College |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220701 Address after: 274700 middle section of Dongxi Road, economic development zone, yuncheng county, Heze City, Shandong Province Patentee after: Shandong energy group Luxi Mining Co.,Ltd. Address before: 276017 No. 69 Commercial Street, Luozhuang District, Linyi City, Shandong Province Patentee before: LINYI MINING GROUP Co.,Ltd. Patentee before: Trade union committee of Shandong coal Technician College |
|
| TR01 | Transfer of patent right |