CN212642632U - Drilling device for promoting coal mine gas to be pumped - Google Patents
Drilling device for promoting coal mine gas to be pumped Download PDFInfo
- Publication number
- CN212642632U CN212642632U CN202021499859.9U CN202021499859U CN212642632U CN 212642632 U CN212642632 U CN 212642632U CN 202021499859 U CN202021499859 U CN 202021499859U CN 212642632 U CN212642632 U CN 212642632U
- Authority
- CN
- China
- Prior art keywords
- wall
- protective shell
- drilling
- coal mine
- drilling device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 72
- 239000003245 coal Substances 0.000 title claims description 35
- 230000001737 promoting effect Effects 0.000 title claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 230000001681 protective effect Effects 0.000 claims abstract description 47
- 238000000605 extraction Methods 0.000 claims description 37
- 239000007921 spray Substances 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 description 9
- 238000005728 strengthening Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a drilling equipment of usefulness is taken out to colliery gas prompting, the protective housing comprises a protective housing, protective housing top outer wall is provided with the roof, and roof bottom outer wall is provided with two electronic hydraulic lifting rod respectively, and the bottom outer wall of the output shaft of two electronic hydraulic lifting rod is provided with the mounting panel, and mounting panel top outer wall is provided with dustcoat, high pressure water pump and takes out and adopt equipment respectively, and high pressure water pump top outer wall is provided with flow pipe and raceway respectively, takes out and adopts equipment top outer wall and is provided with the connecting pipe, and one side outer wall of raceway and connecting pipe is provided with the multi-. The utility model discloses a set up four first hole spouts and four second hole spouts, first hole spout and second hole spout and the interior drainage pipe intercommunication of drilling rod inner wall, the second hole spout can spout the high-pressure water column that the high pressure water pump carried to the position that the drill bit was driling to play fine cooling and dust removal effect, avoided the inside normal work that produces a large amount of dust influence equipment of drilling.
Description
Technical Field
The utility model relates to a coal mine operation technical field especially relates to a drilling equipment of usefulness is taken out to colliery gas urging.
Background
Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the earth surface soil layer is generally selected to be directly stripped to excavate coal, currently, in the field of coal mines, drilling is often needed to be performed on the coal seam and a gas gathering area to perform coal mine gas extraction so as to prevent safety accidents such as gas explosion, gas outburst and the like, when gas extraction is performed, a hole is usually drilled in the coal seam, a special pipeline is connected to the drilled hole to perform extraction, the drilled hole is connected with the pipeline separately, gas leakage is easily caused, the health of workers is harmed, and safety accidents are caused.
Through retrieval, chinese patent application No. CN210829376U discloses a coal mine gas extraction drilling device, including frame, mounting panel, drill bit, be used for driving drill bit pivoted actuating mechanism and extraction equipment, the drill bit rotates and installs on the mounting panel, installs on the mounting panel and is used for driving drill bit pivoted actuating mechanism, wear to be equipped with the pivot in the drill bit, but above-mentioned technical scheme still has because does not set up corresponding deashing dust collector in drilling device inside, consequently still can produce a large amount of dusts inside the drilling device when drilling device carries out drilling work, and a large amount of dusts make the problem that the inside electromechanical device of drilling device is impaired at the during operation easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a drilling device for promoting the gas extraction in a coal mine.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a drilling device for promoting gas extraction in a coal mine comprises a protective shell, wherein a top plate is arranged on the outer wall of the top of the protective shell, two electric hydraulic lifting rods are respectively arranged on the outer wall of the bottom of the top plate, mounting plates are arranged on the outer walls of the bottoms of output shafts of the two electric hydraulic lifting rods, an outer cover, a high-pressure water pump and extraction equipment are respectively arranged on the outer wall of the top of the mounting plates, a water supply pipe and a water supply pipe are respectively arranged on the outer wall of the top of the high-pressure water pump, a connecting pipe is arranged on the outer wall of the top of the extraction equipment, a multi-way valve is arranged on the outer wall of one side of the water supply pipe and the connecting pipe, an exhaust pipe is arranged on the outer wall of one side of the multi-way valve, a circular through hole is formed, the outer wall of mounting panel top is opened there is circular logical groove, circular logical inslot wall is provided with fixing bearing, the drilling rod outer wall rotates to be connected on fixing bearing's inner wall, the drilling rod outer wall is provided with the second gear, dustcoat bottom inner wall is provided with the rotation motor, the output shaft outer wall that rotates the motor is provided with first gear, first gear is connected with the meshing of second gear, drilling rod bottom outer wall is provided with the drill bit, drill bit one side outer wall is provided with four first hole spouts respectively, drill bit one side outer wall is provided with four second hole spouts respectively, the outer wall of protective housing bottom is opened there is circular drilling, circular drilling is located the same axis with the drilling rod, the outer wall.
As a further aspect of the present invention: the protective housing inner wall is provided with four T type spouts respectively, and the mounting panel outer wall is provided with four T type sliders respectively, and T type slider sliding connection is in T type spout, and the protective housing outer wall is provided with four strengthening ribs respectively.
As a further aspect of the present invention: and two sealing windows are fixed on the outer wall of the protective shell through hinges respectively.
As a further aspect of the present invention: the inner wall of one side of the protective shell is provided with a gas sensor, the outer wall of one side of the protective shell is provided with a control panel, the outer wall of the top of the protective shell is provided with a warning lamp, and the gas sensor, the warning lamp and the control panel are electrically connected.
As a further aspect of the present invention: the outer wall of the top of the protective shell is provided with two spray heads respectively, and the spray heads are electrically connected with the control panel.
As a further aspect of the present invention: and a heat dissipation window is arranged on the outer wall of the outer cover.
As a further aspect of the present invention: and a layer of insulating rubber is arranged on the outer wall of the bottom of the reinforcing rib.
The utility model has the advantages that:
1. by arranging four first water spray holes and four second water spray holes, the first water spray holes and the second water spray holes are communicated with the extraction pipe on the inner wall of the drill rod, the second water spray holes can spray high-pressure water columns conveyed by a high-pressure water pump to the position where the drill bit drills, thereby playing good roles of cooling and dedusting, avoiding the influence of a large amount of dust generated in the drill hole on the normal work of the equipment, leading the first water spray hole to spray the high-pressure water column to the direction opposite to the drilling position of the drill bit, thereby providing certain thrust to the drill bit, effectively assisting the drill bit to drill, spraying water in opposite directions through the first water spraying holes and the second water spraying holes simultaneously, the stress of the drill bit can be uniform during drilling, the problems of deviation and damage of the drill bit caused by uneven stress during drilling operation are avoided, the inside of the gas extraction pipe cannot be blocked during drilling, and the following gas extraction cannot be influenced.
2. Through setting up T type spout, T type slider and strengthening rib, when the mounting panel removes through electronic hydraulic lifting rod, T type spout and T type slider can play fine direction and limiting displacement, avoid the mounting panel because rocking of drilling rod production when drilling and take place the displacement, can not take place the phenomenon of off normal when letting drilling equipment drill, the strengthening rib can let drilling equipment's overall structure more firm simultaneously, the overall structure can not take place too big rocking when letting drilling equipment drill.
3. The gas sensor is arranged, so that the gas content in the protective shell can be monitored in real time, when the gas content exceeds a standard value, the gas sensor sends an electric signal to the control panel, and the control panel controls the warning lamp to light up to remind a worker to discharge the gas in the protective shell in time; through setting up the shower nozzle, when the inside gas concentration of protective housing exceeded the dangerous value, control panel control shower nozzle opened, through flow pipe and high pressure water pump to the inside high-pressure water column of carrying of shower nozzle, the shower nozzle becomes the water curtain blowout with high-pressure water column to effectively reduce the inside temperature of protective housing, avoid gas to explode, improved drilling equipment at holistic security of during operation.
Drawings
Fig. 1 is a schematic structural view of a drilling device for promoting gas extraction in a coal mine, according to the present invention;
fig. 2 is a schematic side view of the drilling device for promoting gas extraction in a coal mine according to the present invention;
fig. 3 is a schematic cross-sectional structural view of a drilling device for promoting gas extraction in a coal mine, which is provided by the utility model;
fig. 4 is a schematic view of a mounting plate structure of a drilling device for promoting coal mine gas extraction provided by the utility model;
fig. 5 is a schematic view of the internal top view structure of the protective casing of the drilling device for promoting the gas extraction in the coal mine;
fig. 6 is a schematic structural view of a drill bit of the drilling device for promoting gas extraction in a coal mine, which is provided by the utility model;
fig. 7 is a schematic circuit flow diagram of the drilling device for promoting coal mine gas extraction provided by the utility model.
In the figure: 1-protective shell, 2-control panel, 3-reinforcing rib, 4-connecting plate, 5-top plate, 6-warning lamp, 7-sealing window, 8-electric control water valve, 9-T type chute, 10-drill rod, 11-mounting plate, 12-heat dissipation window, 13-outer cover, 14-sprayer, 15-electric hydraulic lifting rod, 16-water supply pipe, 17-gas sensor, 18-water supply pipe, 19-high pressure water pump, 20-multi-way valve, 21-air suction pipe, 22-rotating bearing, 23-extraction pipe, 24-first gear, 25-rotating motor, 26-fixed bearing, 27-second gear, 28-extraction equipment, 29-connecting pipe, 30-first water spray hole, 31-drill bit, 31-water spray hole, 31-drill bit, 32-second water jet hole, 33-circular drilling hole.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
A drilling device for promoting coal mine gas to be pumped comprises a protective shell 1, wherein a top plate 5 is arranged on the outer wall of the top of the protective shell 1, two electric hydraulic lifting rods 15 are respectively arranged on the outer wall of the bottom of the top plate 5, mounting plates 11 are arranged on the outer walls of the bottoms of output shafts of the two electric hydraulic lifting rods 15, an outer cover 13, a high-pressure water pump 19 and pumping equipment 28 are respectively arranged on the outer wall of the top of the mounting plates 11, a water supply pipe 16 and a water supply pipe 18 are respectively arranged on the outer wall of the top of the high-pressure water pump 19, a connecting pipe 29 is arranged on the outer wall of the top of the pumping equipment 28, a multi-way valve 20 is arranged on the outer wall of one side of the water supply pipe 18 and the connecting pipe 29, an air pumping pipe 21 is arranged on the outer wall of one side of the multi-way valve 20, a circular through hole is arranged, the inner wall of the rotating bearing 22 is rotatably connected with an extraction pipe 23, the outer wall of the extraction pipe 23 is provided with a drill rod 10, the drill rod 10 is of a hollow structure, the outer wall of the top of the mounting plate 11 is provided with a circular through groove, the inner wall of the circular through groove is provided with a fixed bearing 26, the outer wall of the drill rod 10 is rotatably connected to the inner wall of the fixed bearing 26, the outer wall of the drill rod 10 is provided with a second gear 27, the inner wall of the bottom of the outer cover 13 is provided with a rotating motor 25, the outer wall of an output shaft of the rotating motor 25 is provided with a first gear 24, the first gear 24 is meshed with the second gear 27 and connected with the drill rod 10, the outer wall of the bottom of the drill rod 10 is provided with a drill bit 31, the outer wall of one side of the drill bit 31 is respectively provided with four second water spray holes 32, the.
In order to improve the overall stability of the device when the drill bit 31 drills a hole; as shown in fig. 1, 3 and 4, the inner wall of the protective shell 1 is respectively provided with four T-shaped sliding grooves 9, the outer wall of the mounting plate 11 is respectively provided with four T-shaped sliding blocks, the T-shaped sliding blocks are slidably connected to the T-shaped sliding grooves 9, and the outer wall of the protective shell 1 is respectively provided with four reinforcing ribs 3; through setting up T type spout 9, T type slider and strengthening rib 3, when mounting panel 11 removes through electronic hydraulic lifting rod 15, T type spout 9 and T type slider can play fine direction and limiting displacement, avoid mounting panel 11 because rocking and taking place the displacement of drilling rod 10 production when drilling, the phenomenon of off normal can not take place when letting drilling equipment drill, strengthening rib 3 can let drilling equipment's overall structure more firm simultaneously, let drilling equipment overall structure can not take place too big rocking when carrying out the drilling operation, equipment life has been improved.
In order to facilitate the checking of the interior of the drilling device by workers; as shown in fig. 1, two sealing windows 7 are fixed on the outer wall of the protective shell 1 through hinges respectively; through setting up sealed window 7, can let the staff can observe the inside behavior of drilling equipment in real time under the circumstances that does not destroy the whole gas tightness of drilling equipment.
To avoid excessive gas build-up inside the containment vessel 1; as shown in fig. 3, a gas sensor 17 is arranged on the inner wall of one side of the protective shell 1, a control panel 2 is arranged on the outer wall of one side of the protective shell 1, a warning lamp 6 is arranged on the outer wall of the top of the protective shell 1, the gas sensor 17 and the warning lamp 6 are electrically connected with the control panel 2, and the model of the gas sensor 17 is KGJ 16; through setting up gas sensor 17, can the inside gas content of real time monitoring protective housing 1, when content exceeded the standard value, gas sensor 17 sent the signal of telecommunication to control panel 2, and control panel 2 controls warning light 6 and lights and reminds the staff in time to discharge the inside gas of protective housing 1.
To avoid the danger of gas explosion caused by excessive gas accumulated in the protective shell 1; as shown in fig. 3, two nozzles 14 are respectively disposed on the outer wall of the top of the protective casing 1, and the nozzles 14 are electrically connected to the control panel 2; through setting up shower nozzle 14, when the inside gas concentration of protective housing 1 exceeded the dangerous value, control panel 2 control shower nozzle 14 was opened, through water supply pipe 16 and high pressure water pump 19 to the inside high-pressure water column of carrying of shower nozzle 14, the shower nozzle becomes the water curtain blowout with high-pressure water column to effectively reduce the inside temperature of protective housing 1, avoid gas to explode, improved drilling equipment at the holistic security of during operation.
In order to improve the heat radiation performance of the entire cover 13; as shown in fig. 3, a heat dissipation window 12 is arranged on the outer wall of the outer cover 13; by arranging the outer cover 13, the motor of the gear is prevented from being influenced by external dust when the drilling work is carried out, and the service life of the equipment is prolonged; the heat dissipation window 12 can provide heat dissipation for the rotating motor 25 inside the housing 13, so that the problem that the motor is damaged due to overhigh temperature during operation is avoided.
In order to improve the overall shock absorption effect of the equipment; as shown in fig. 2, a layer of insulating rubber is arranged on the outer wall of the bottom of the reinforcing rib 3; through set up insulating rubber at 3 bottom outer walls of strengthening rib, can improve the holistic damping performance of drilling equipment, let equipment operation more stable.
The working principle is as follows: before drilling, a worker firstly opens one end of the multi-way valve 20 connected with the water conveying pipe 18, closes a valve at one end leading to the connecting pipe 29, opens the rotating motor 25 at the moment, drives the first gear 24 to rotate by the rotating motor 25, drives the second gear 27 to rotate by the first gear 24, drives the drill rod 10 to rotate by the second gear 27, connects the extraction pipe 23 on the inner wall of the drill rod 10 with the extraction pipe 21 through the rotating bearing 22, can avoid the rotation of the extraction pipe 23 from influencing the extraction pipe 21 by the rotating bearing 22, simultaneously opens the two electric hydraulic lifting rods 15 and the high-pressure water pump 19 at the moment, pushes the mounting plate 11 to move downwards by the electric hydraulic lifting rods 15, thereby enabling the drill bit 31 to drill the ground, and by arranging the four first water spraying holes 30 and the four second water spraying holes 32, the first water spraying holes 30 and the second water spraying holes 32 are communicated with the extraction pipe 23 on the inner wall of the drill rod 10, the second water spray hole 32 can spray the high-pressure water column conveyed by the high-pressure water pump 19 to the position of the drill bit 31 in drilling, so that good cooling and dust removing effects are achieved, a large amount of dust generated in the drill hole is prevented from influencing the normal operation of the equipment, the first water spray hole 30 can spray the high-pressure water column to the direction opposite to the drilling position of the drill bit 31, so that a certain thrust is given to the drill bit 31, the drill bit 31 is effectively assisted to drill, the water is sprayed to the opposite direction through the first water spray hole 30 and the second water spray hole 32 at the same time, the stress of the drill bit 31 is uniform during drilling, the problems that the drill bit 31 is deviated and damaged due to uneven stress during drilling operation are avoided, the running stability of the equipment is improved, the water in the drill hole can flow out of the drill hole and then is discharged out of the device through the electric control water valve 8, when the drill bit drills to the set position, then one end of the multi-way valve 20 connected with the connecting pipe 29 is opened, one end of the valve communicated with the water conveying pipe 18 is closed, then the gas extraction equipment 28 can extract gas through the connecting pipe 29, the exhaust pipe 21, the extraction pipe 23, the first water spraying hole 30 and the second water spraying hole 32, then the extracted gas is sent out of the drilling device through a pipeline, when the mounting plate 11 moves through the electric hydraulic lifting rod 15, the T-shaped sliding groove 9 and the T-shaped sliding block can play a good role in guiding and limiting, the mounting plate 11 is prevented from displacing due to shaking generated when the drill rod 10 drills, the drilling device does not deviate during drilling, meanwhile, the reinforcing rib 3 can enable the overall structure of the drilling device to be more stable, the overall structure of the drilling device does not shake excessively when the drilling operation is performed, the service life of the equipment is prolonged, and by arranging the gas sensor 17, can real time monitoring protective housing 1 inside gas content, when the content exceedes the standard value, gas sensor 17 sends the signal of telecommunication to control panel 2, control panel 2 controls warning light 6 and lights and reminds the staff in time to discharge the inside gas of protective housing 1, when the inside gas concentration of protective housing 1 exceedes the danger value, control panel 2 control shower nozzle 14 is opened, through water supply pipe 16 and high pressure water pump 19 to the inside high-pressure water column of carrying of shower nozzle 14, the shower nozzle becomes the water curtain blowout with the high-pressure water column, thereby effectively reduce the inside temperature of protective housing 1, avoid the gas to explode.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A drilling device for promoting coal mine gas to be pumped comprises a protective shell (1) and is characterized in that a top plate (5) is arranged on the outer wall of the top of the protective shell (1), two electric hydraulic lifting rods (15) are respectively arranged on the outer wall of the bottom of the top plate (5), a mounting plate (11) is arranged on the outer wall of the bottom of output shafts of the two electric hydraulic lifting rods (15), an outer cover (13), a high-pressure water pump (19) and pumping equipment (28) are respectively arranged on the outer wall of the top of the mounting plate (11), a water supply pipe (16) and a water supply pipe (18) are respectively arranged on the outer wall of the top of the high-pressure water pump (19), a connecting pipe (29) is arranged on the outer wall of the top of the pumping equipment (28), a multi-way valve (20) is arranged on the outer wall of one side of the water supply pipe (18) and, the air exhaust pipe (21) penetrates through the outer wall of the top of the outer cover (13) through a circular through hole, the outer wall of the bottom of the air exhaust pipe (21) is provided with a rotating bearing (22), the inner wall of the rotating bearing (22) is rotatably connected with an extraction pipe (23), the outer wall of the extraction pipe (23) is provided with a drill rod (10), the drill rod (10) is of a hollow structure, the outer wall of the top of the mounting plate (11) is provided with a circular through groove, the inner wall of the circular through groove is provided with a fixed bearing (26), the outer wall of the drill rod (10) is rotatably connected to the inner wall of the fixed bearing (26), the outer wall of the drill rod (10) is provided with a second gear (27), the inner wall of the bottom of the outer cover (13) is provided with a rotating motor (25), the outer wall of an output shaft of the rotating motor (25) is provided with a first gear (24), the first gear (24, the outer wall of one side of the drill bit (31) is provided with four second water spray holes (32) respectively, the outer wall of the bottom of the protective shell (1) is provided with a round drilling hole (33), the round drilling hole (33) and the drill rod (10) are located on the same axis, and the outer wall of one side of the protective shell (1) is provided with an electric control water valve (8).
2. The drilling device for promoting coal mine gas extraction according to claim 1, wherein four T-shaped sliding grooves (9) are respectively formed in the inner wall of the protective shell (1), four T-shaped sliding blocks are respectively arranged on the outer wall of the mounting plate (11), the T-shaped sliding blocks are slidably connected to the T-shaped sliding grooves (9), and four reinforcing ribs (3) are respectively arranged on the outer wall of the protective shell (1).
3. The drilling device for promoting coal mine gas extraction according to claim 2, wherein two sealing windows (7) are fixed on the outer wall of the protective shell (1) through hinges respectively.
4. The drilling device for promoting coal mine gas extraction according to claim 3, wherein a gas sensor (17) is arranged on the inner wall of one side of the protective shell (1), a control panel (2) is arranged on the outer wall of one side of the protective shell (1), a warning lamp (6) is arranged on the outer wall of the top of the protective shell (1), and the gas sensor (17) and the warning lamp (6) are electrically connected with the control panel (2).
5. The drilling device for promoting coal mine gas extraction according to claim 4, wherein two spray heads (14) are respectively arranged on the outer wall of the top of the protective shell (1), and the spray heads (14) are electrically connected with the control panel (2).
6. A coal mine gas extraction-promoting drilling device according to claim 5, characterized in that the outer wall of the outer cover (13) is provided with a heat radiation window (12).
7. The drilling device for promoting coal mine gas extraction according to claim 6, wherein the outer wall of the bottom of the reinforcing rib (3) is provided with a layer of insulating rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021499859.9U CN212642632U (en) | 2020-07-27 | 2020-07-27 | Drilling device for promoting coal mine gas to be pumped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021499859.9U CN212642632U (en) | 2020-07-27 | 2020-07-27 | Drilling device for promoting coal mine gas to be pumped |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212642632U true CN212642632U (en) | 2021-03-02 |
Family
ID=74764113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021499859.9U Expired - Fee Related CN212642632U (en) | 2020-07-27 | 2020-07-27 | Drilling device for promoting coal mine gas to be pumped |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212642632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776382A (en) * | 2022-05-23 | 2022-07-22 | 马利芬 | Internet of things controlled intelligent coal mine underground gas monitoring and extracting device |
-
2020
- 2020-07-27 CN CN202021499859.9U patent/CN212642632U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776382A (en) * | 2022-05-23 | 2022-07-22 | 马利芬 | Internet of things controlled intelligent coal mine underground gas monitoring and extracting device |
| CN114776382B (en) * | 2022-05-23 | 2024-03-22 | 马利芬 | Intelligent underground coal mine gas monitoring and extracting device controlled by Internet of things |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104895484B (en) | A kind of underground coal mine crawler type creeps into hole-punching integrated equipment | |
| CN211549680U (en) | High-adaptability tunneling and anchoring all-in-one machine with dual-mode anchor drilling system | |
| CN204851052U (en) | Integration equipment that punches a hole is crept into in colliery crawler -type in pit | |
| CN109113783B (en) | Coal mine coal face upper corner gas extraction device | |
| CN212642632U (en) | Drilling device for promoting coal mine gas to be pumped | |
| CN109854289B (en) | Underground coal mine air stepping support and drilling and anchoring robot | |
| CN212318065U (en) | Coal mine electromechanical equipment for coal mining | |
| CN113062693B (en) | Device and method for extracting gas by drilling complicated stratum through pipe-following protective hole | |
| CN102168534B (en) | Special mining suction drill for coal mine | |
| CN109200509A (en) | A kind of rescuing robot for fire control convenient to use | |
| CN102416984B (en) | Crawler type gallery emergency rescue drainage pump truck | |
| CN215890075U (en) | Tunnel bores and explodes dust collector | |
| CN202130523U (en) | Rotary feet-type amphibious robot for mining accident rescue | |
| CN110985059B (en) | Supporting structure for spraying concrete on smooth surface of deep coal mine roadway | |
| CN210660188U (en) | Gas-water-slag separation device for preventing gas spraying hole | |
| CN109866234B (en) | Explosion-proof structure of underground inspection robot | |
| CN210564638U (en) | Coal mine gas safety equipment | |
| CN219197284U (en) | Mining gas extraction blowout preventer | |
| CN107435366B (en) | A kind of groundwater reservoir drainage system and its control method | |
| CN219953416U (en) | Dust fall spraying equipment for coal exploitation | |
| CN219221647U (en) | Non-excavation pipeline water-carrying tunneling dredging equipment | |
| CN114144007B (en) | Explosion-proof protection device for coal mine electromechanical device | |
| CN110454214A (en) | A kind of tapping equipment for gas drainage | |
| CN221299239U (en) | Blowout preventer for safe drilling | |
| CN219220355U (en) | Aerated microbubble drilling equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210302 |