CN219974560U - Coal mine gas extraction device - Google Patents
Coal mine gas extraction device Download PDFInfo
- Publication number
- CN219974560U CN219974560U CN202321514413.2U CN202321514413U CN219974560U CN 219974560 U CN219974560 U CN 219974560U CN 202321514413 U CN202321514413 U CN 202321514413U CN 219974560 U CN219974560 U CN 219974560U
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- Prior art keywords
- gas extraction
- extraction
- gas
- hole
- coal mine
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- 238000000605 extraction Methods 0.000 title claims abstract description 114
- 239000003245 coal Substances 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 238000005553 drilling Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 239000003292 glue Substances 0.000 description 5
- 238000005065 mining Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a coal mine gas extraction device, which belongs to the technical field of gas extraction and comprises an extraction frame and an extraction drill rod vertically and rotatably arranged at the top of the extraction frame, wherein a driving motor is fixedly arranged in the extraction frame and is fixedly connected with the bottom end of the extraction drill rod coaxially, a gas extraction hole is vertically formed in the extraction drill rod, a sealing block for opening or closing the top hole is cooperatively arranged at the top hole of the gas extraction hole, the gas extraction hole is formed in the extraction drill rod, so that the gas extraction work in a coal mine is realized, and the hole of the gas extraction hole is sealed by the sealing block which can vertically move, so that sundries are prevented from entering the gas extraction hole to influence the subsequent gas extraction effect, the normal running of the drilling work can be ensured, and the overall efficiency is greatly improved.
Description
Technical Field
The utility model relates to the technical field of gas extraction, in particular to a coal mine gas extraction device.
Background
Gas was considered as a coal mine harmful gas in the last century, but is now considered as a clean energy source, and has been largely accepted from the inside and outside of the industry, and in coal mining, a large amount of gas is generated, and before mining, the gas in the mine needs to be extracted, and between extraction, a coal seam needs to be drilled, and then the gas in the coal seam needs to be extracted from the drill hole.
The prior art publication No. CN211230532U provides a colliery gas drainage device, but the device can extract gas through setting up the drainage pipe in boring a section of thick bamboo, but the device set up a plurality of through-holes and carry out the extraction on the drainage pipe surface, and tiny dust in the easy suction coal seam not only influences the purity of gas, still easily causes the jam of through-hole, influences the progress of extraction. In view of the above, we propose a coal mine gas extraction device.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a method for the coal mine gas extraction device, which solves the technical problems in the background art and achieves the technical effects.
The technical scheme of the utility model provides a coal mine gas extraction device, which comprises an extraction frame and an extraction drill rod vertically and rotatably arranged at the top of the extraction frame, wherein a driving motor is fixedly arranged in the extraction frame and is coaxially and fixedly connected with the bottom end of the extraction drill rod, a gas extraction hole is vertically formed in the extraction drill rod, and a sealing block for opening or closing the top hole is matched with the top hole of the gas extraction hole.
Preferably, an equipment cavity is formed in the gas extraction hole, a small hydraulic cylinder is arranged in the equipment cavity, a hydraulic telescopic rod is arranged at the top of the small hydraulic cylinder, the top end of the hydraulic telescopic rod is fixedly connected with a sealing block, and the sealing block is in a pointed or semicircular head shape.
Preferably, a connecting pipe orifice is arranged at one side of the bottom of the extraction drill rod, and the connecting pipe orifice is communicated with the bottom of the gas extraction hole.
Preferably, one side of the interior of the extraction frame is fixedly provided with an air pump, the input end of the air pump is connected with one end of a gas input pipe, the other end of the gas input pipe is connected with a connecting pipe port in a fastening or threaded connection mode, and the output end of the air pump is connected with a gas output pipe.
Preferably, a sealing glue ring is fixedly arranged at the top orifice of the gas extraction hole, and the bottom surface of the sealing block is in sealing fit through the jacking sealing glue ring.
Preferably, an overhaul opening is formed in one side of the extraction frame, a cover plate matched with the overhaul opening in a closing mode is hinged in the overhaul opening, and a handle is fixedly arranged on the surface of the cover plate.
One or more technical schemes provided in the technical scheme of the utility model at least have the following technical effects or advantages:
1. according to the utility model, the gas extraction hole is formed in the extraction rotating rod, so that the gas extraction work in a coal mine is realized, and the sealing block capable of vertically moving is used for sealing the orifice of the gas extraction hole in a closed manner when the work of drilling into the coal mine is performed, so that sundries are prevented from entering the gas extraction hole to influence the subsequent gas extraction effect, the normal running of the drilling work is ensured, and the overall efficiency is greatly improved.
2. According to the utility model, the operation of moving the sealing block up and down is automatically completed through the small hydraulic cylinder in the extraction rotating rod, the driving motor automatically drives the whole extraction drill rod to operate, so that the drilling of a coal mine is realized, and the extraction pump is matched with the gas extraction hole to extract and convey the gas in the coal mine, so that the functions are fully and automatically completed, and the extraction of the gas in the coal mine is greatly improved.
Drawings
FIG. 1 is a schematic view of an overall structure of a coal mine gas extraction device according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the internal structure of a drill pipe of a coal mine gas extraction device according to a preferred embodiment of the present utility model;
fig. 3 is a schematic view illustrating an internal structure of a gas extraction frame of a coal mine gas extraction device according to a preferred embodiment of the present utility model.
The reference numerals in the figures illustrate: 1. a drawing frame; 2. extracting a drill rod; 3. a driving motor; 4. a gas extraction hole; 5. a sealing block; 6. an equipment chamber; 7. a small hydraulic cylinder; 8. a hydraulic telescopic rod; 9. a connecting pipe orifice; 10. an air extracting pump; 11. a gas input pipe; 12. a gas output pipe; 13. a sealant ring; 14. an access opening; 15. a handle; 16. and a cover plate.
Detailed Description
The utility model is described in further detail below with reference to the drawings.
Referring to fig. 1, the embodiment of the utility model provides a coal mine gas extraction device, which comprises an extraction frame 1, and an extraction drill rod 2 vertically and rotatably arranged at the top of the extraction frame 1, wherein a driving motor 3 is fixedly arranged in the extraction frame 1, the driving motor 3 is fixedly connected with the bottom end of the extraction drill rod 2 coaxially, a gas extraction hole 4 is vertically formed in the extraction drill rod 2, a sealing block 5 for opening or closing the top hole is cooperatively arranged at the top hole of the gas extraction hole 4, an overhaul opening 14 is formed in one side of the extraction frame 1, a cover plate 16 which is cooperatively closed is hinged in the overhaul opening 14, a handle 15 is fixedly arranged on the surface of the cover plate 16, and the gas extraction hole 4 is formed in the extraction drill rod, so that the gas extraction work in a coal mine is realized, and when the coal mine is drilled, the hole opening of the gas extraction hole 4 is sealed by the sealing block 5 in a closed manner, sundries are prevented from entering the gas extraction hole 4 to affect the effect of the subsequent gas extraction hole 4, and the whole normal drilling work can be ensured, and the whole normal drilling efficiency can be greatly improved.
Referring to fig. 2, an equipment cavity 6 is formed in the gas extraction hole 4, a small hydraulic cylinder 7 is arranged in the equipment cavity 6, a hydraulic telescopic rod 8 is arranged at the top of the small hydraulic cylinder 7, the top end of the hydraulic telescopic rod 8 is fixedly connected with a sealing block 5, the sealing block 5 is in a pointed or semicircular head shape, the operation of moving up and down of the sealing block 5 is automatically completed through the small hydraulic cylinder 7 in the extraction rotating rod, a sealing glue ring 13 is fixedly arranged at the top orifice of the gas extraction hole 4, the bottom surface of the sealing block 5 is in sealing fit through the top pressing sealing glue ring 13, and the sealing effect is realized through the sealing glue ring 13, so that sundries in a coal mine cannot enter the gas extraction hole 4 when the drilling operation is performed, the stable circulation of air in the gas extraction hole 4 is kept, and the condition that sundries block the gas extraction hole 4 is prevented from influencing the extraction effect is prevented.
Referring to fig. 3, a connecting pipe orifice 9 is arranged at one side of the bottom of the extraction drill rod 2, the connecting pipe orifice 9 is communicated with the bottom of the gas extraction hole 4, an air pump 10 is fixedly arranged at one side of the inside of the extraction frame 1, the input end of the air pump 10 is connected with one end of a gas input pipe 11, the other end of the gas input pipe 11 is connected with the connecting pipe orifice 9 in a fastening or threaded connection manner, the output end of the air pump 10 is connected with a gas output pipe 12, the air pump 10 is matched with the gas extraction hole 4 to extract and convey gas in a coal mine, the gas extraction effect is improved, when the extraction drill rod 2 rotates, in order to prevent the gas input pipe 11 and the connecting pipe orifice 9 from influencing the operation of the extraction drill rod 2, the gas input pipe 11 and the connecting pipe orifice 9 can be disconnected in advance, and the connection can be carried out again when the gas extraction is needed, so that the gas extraction work is normally carried out.
Working principle: when the drill bit of the extraction drill rod 2 is aligned to a position where drilling is required to be performed in use, the driving motor 3 is started again, the driving motor 3 drives the extraction drill rod 2 which is coaxially and fixedly connected with the driving motor to rotate, drilling is completed, when the extraction drill rod 2 is deep to a proper depth, a small hydraulic pump can be started, the small hydraulic pump controls the hydraulic telescopic rod 8 to drive the sealing block 5 to push out, the sealing block is separated from the sealing state of the gas extraction hole 4, the air pump 10 is started again at the moment, one end, connected with the input end of the air pump 10, of the gas input pipe 11 is connected with the connecting pipe orifice 9, and accordingly the air pump 10 is communicated with the gas extraction hole 4 to extract gas in a coal mine.
Claims (6)
1. The utility model provides a colliery gas drainage device, includes drainage frame (1), perpendicular rotation setting in drainage drilling rod (2) at drainage frame (1) top, its characterized in that: the gas extraction frame is characterized in that a driving motor (3) is fixedly arranged in the extraction frame (1), the driving motor (3) is fixedly connected with the bottom end of the extraction drill rod (2) through the same shaft, a gas extraction hole (4) is vertically formed in the extraction drill rod (2), and a sealing block (5) for opening or closing the top hole is matched with the top hole of the gas extraction hole (4).
2. The coal mine gas extraction device according to claim 1, wherein: the gas extraction hole (4) is internally provided with an equipment cavity (6), the equipment cavity (6) is internally provided with a small hydraulic cylinder (7), the top of the small hydraulic cylinder (7) is provided with a hydraulic telescopic rod (8), the top end of the hydraulic telescopic rod (8) is fixedly connected with a sealing block (5), and the sealing block (5) is in a pointed or semicircular head shape.
3. The coal mine gas extraction device according to claim 1, wherein: and a connecting pipe orifice (9) is arranged at one side of the bottom of the extraction drill rod (2), and the connecting pipe orifice (9) is communicated with the bottom of the gas extraction hole (4).
4. A coal mine gas extraction apparatus as claimed in claim 3, wherein: the gas extraction frame is characterized in that a gas extraction pump (10) is fixedly arranged on one side of the inside of the gas extraction frame (1), the input end of the gas extraction pump (10) is connected with one end of a gas input pipe (11), the other end of the gas input pipe (11) is connected with a connecting pipe orifice (9) in a fastening or threaded connection mode, and the output end of the gas extraction pump (10) is connected with a gas output pipe (12).
5. The coal mine gas extraction device according to claim 1, wherein: the top orifice of the gas extraction hole (4) is fixedly provided with a sealing rubber ring (13), and the bottom surface of the sealing block (5) is in sealing fit through pushing the sealing rubber ring (13).
6. The coal mine gas extraction device according to claim 1, wherein: an overhaul opening (14) is formed in one side of the extraction frame (1), a cover plate (16) matched with the overhaul opening (14) in a closing mode is hinged in the overhaul opening (14), and a handle (15) is fixedly arranged on the surface of the cover plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321514413.2U CN219974560U (en) | 2023-06-14 | 2023-06-14 | Coal mine gas extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321514413.2U CN219974560U (en) | 2023-06-14 | 2023-06-14 | Coal mine gas extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219974560U true CN219974560U (en) | 2023-11-07 |
Family
ID=88580676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321514413.2U Active CN219974560U (en) | 2023-06-14 | 2023-06-14 | Coal mine gas extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219974560U (en) |
-
2023
- 2023-06-14 CN CN202321514413.2U patent/CN219974560U/en active Active
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