CN114396242A - Coal mine gas drainage hole sealing device convenient to adjust - Google Patents
Coal mine gas drainage hole sealing device convenient to adjust Download PDFInfo
- Publication number
- CN114396242A CN114396242A CN202111586316.XA CN202111586316A CN114396242A CN 114396242 A CN114396242 A CN 114396242A CN 202111586316 A CN202111586316 A CN 202111586316A CN 114396242 A CN114396242 A CN 114396242A
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- pipeline
- hole sealing
- coal mine
- sealing device
- inflatable
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The invention discloses a coal mine gas extraction hole sealing device convenient to adjust, belonging to the technical field of coal mine mining equipment and comprising a lifting control console, an extraction pump, an external pipe seat, an extraction hole sealing mechanism, an adjusting screw rod and a fixed point position switchable ground component, wherein the extraction pump is fixedly arranged at the top of the lifting control console, the external pipe seat is welded at the top of the lifting control console, the extraction hole sealing mechanism is arranged on the external pipe seat, a mine explosion-proof motor is arranged on the fixed point position switchable ground component, the adjusting screw rod is arranged between output shafts of the mine explosion-proof motors arranged on the two fixed point position switchable ground components, the lifting control console is threaded on the adjusting screw rod, the lifting control console is provided with a through groove at an extraction end of the extraction pump, the extraction end of the extraction pump is provided with a switchable soft pipeline, and the bottom of the lifting control console is provided with a telescopic clamping seat, the flexible pipe is clamped in the telescopic clamping seat, the fixing effect is good, gas extraction and hole sealing are facilitated, operation is simple and convenient, and the hole sealing effect is good.
Description
Technical Field
The invention relates to a hole sealing device, in particular to a coal mine gas extraction hole sealing device convenient to adjust, and belongs to the technical field of coal mine mining equipment.
Background
In the coal mine mining process, coal mine gas is one of main risk factors threatening coal mine safety, so coal mine gas generally needs to be treated by adopting a gas pre-extraction method, and the drill holes constructed on the coal rock wall need to be subjected to hole sealing treatment.
Disclosure of Invention
The invention aims to solve the problems and provide a coal mine gas extraction hole sealing device convenient to adjust, the device can be flexibly fixed on a coal rock wall in a roadway through the arrangement of a fixed point position switchable ground insertion component, the fixing effect is good, an inflatable pipeline and a drill bit are driven to rotate at a high speed by adjusting the opening of a mine explosion-proof motor, an extraction hole can be further polished by the high-speed rotation of the drill bit, the entering of a hard vent pipe is facilitated, whether ventilation and inflation in the inflatable pipeline correspond to each other or not is facilitated, and the checked built-in pipeline is connected with the mine explosion-proof motor and the drill bit, so that the driving force transmission effect is realized, the hole sealing is facilitated, the operation is simple and convenient, and the hole sealing effect is good.
The invention realizes the aim through the following technical scheme, and the coal mine gas extraction hole sealing device convenient to adjust comprises a lifting control console, an extraction pump, an external pipe seat, an extraction hole sealing mechanism, an adjusting screw rod and a fixed point position switchable ground assembly;
the liquid pump is fixedly arranged at the top of the lifting control console;
the external pipe seat is welded at the top of the lifting control console, and the air pumping hole sealing mechanism is arranged on the external pipe seat;
the mine explosion-proof motor is arranged in the fixed-point-position switchable ground-inserting assembly, the adjusting screw rod is arranged between output shafts of the mine explosion-proof motors arranged in the fixed-point-position switchable ground-inserting assembly, and the lifting control console is arranged on the adjusting screw rod in a threaded penetrating mode.
Preferably, the lifting control console is provided with a through groove at the extraction end of the liquid pump, the extraction end of the liquid pump is provided with a soft pipeline, the bottom of the lifting control console is provided with a telescopic clamping seat, and the soft pipeline is clamped in the telescopic clamping seat.
By adopting the scheme, the liquid at the extended position of the soft pipeline is sucked by utilizing the suction effect of the liquid pump, so that the liquid suction function in the coal mining process is realized, and the soft pipeline can be directly clamped into the telescopic clamping seat to be fixed after being contracted when not in use.
Preferably, the fixed-point-position switchable ground inserting assembly comprises a ground base and a bolt fixing awl, four arc-shaped through grooves are formed in the ground base, and the bolt fixing awl penetrates through the arc-shaped through grooves.
Through adopting above-mentioned scheme, make each bolt fastening awl thorn position adjustable transform when inserting the logical inslot of arc, during the in-service use will bolt fastening awl thorn inserts ground, will again bolt fastening awl thorn is twisted into on the ground connection seat, and the realization is right the fixed of ground connection seat, nimble position control can adapt to the interior diversified topography on the coal rock wall in the tunnel, and fixed effect is better.
Preferably, the bolt fixing awl comprises an upper movable disc, an arc-shaped clamping plate, a ground inserting rod, a connecting rod and a fixing bolt, wherein the arc-shaped clamping plate is arranged in the arc-shaped through groove in a penetrating mode, the ground inserting rod is welded to the bottom of the arc-shaped clamping plate, the upper movable disc is welded to the top of the arc-shaped clamping plate, the connecting rod is welded to the top of the upper movable disc, threaded holes are formed in the grounding seat and the connecting rod, and the fixing bolt is arranged in the threaded holes in a penetrating mode.
By adopting the scheme, after the insertion position is determined, the ground insertion rod is moved to enable the ground insertion rod to be directly inserted underground, the ground insertion rod is fixed, the arc-shaped clamping plate is arranged to enable the ground insertion rod to be located above the threaded hole in the ground connection seat all the time when the ground insertion rod is moved, the fixing bolt can be screwed in to fix the ground connection seat, the operation is simple and convenient, and the mounting and dismounting are facilitated.
Preferably, the hole mechanism is sealed in bleeding includes soft regulation pipeline, stereoplasm breather pipe, linking bridge, adjusts mining explosion-proof motor, inflatable pipeline, drill bit, inflation joint, pump and telescopic line, the stereoplasm breather pipe pass through soft regulation pipeline with the external pipe seat is connected.
By adopting the above scheme, utilize the stereoplasm breather pipe inserts in the gas drainage hole, will extension tube seat and extraction equipment intercommunication to make the gas pass through the stereoplasm breather pipe inhales, pass through again soft regulation pipeline gets into in the extension tube seat, realize taking out of gas, the setting up of soft regulation pipeline makes the stereoplasm breather pipe has certain flexibility, and is convenient stereoplasm breather pipe inserts and takes out in the drainage hole.
Preferably, the adjusting mining explosion-proof motor is fixed at one end of the hard vent pipe through the connecting support, the inflatable pipeline is connected with an output shaft of the adjusting mining explosion-proof motor in a detachable mode, and the drill bit is welded at one end of the inflatable pipeline.
Through adopting above-mentioned scheme, make the stereoplasm breather pipe can be opened when inserting and take out the hole adjust mining explosion-proof machine, utilize adjust the drive of opening of mining explosion-proof machine inflatable pipeline with the drill bit rotates at a high speed, inflatable pipeline diameter under the state of not aerifing is less than the drill bit utilizes the high-speed rotation of drill bit can be to taking out further polishing in hole, and is convenient the entering of stereoplasm breather pipe, just linking bridge's setting makes adjust mining explosion-proof machine with the stereoplasm breather pipe keeps certain distance, both guarantee the drilling route with the coincidence of stereoplasm breather pipe does not influence again the effect of breathing in after the stereoplasm breather pipe inserts and takes out the hole.
Preferably, the one end of inflatable pipeline is provided with inflatable joint, the pump is fixed on the outer wall of stereoplasm breather pipe, flexible pipeline installs the end of giving vent to anger of pump, flexible pipeline is located one side of inflatable joint, inflatable pipeline includes outer pipeline of cavity formula rubber and built-in pipeline, the outer pipeline butt fusion of cavity formula rubber is in on the built-in pipeline, inflatable joint with the inner chamber intercommunication of outer pipeline of cavity formula rubber.
By adopting the scheme, the built-in pipeline in the inflatable pipeline is used for being connected with the adjusting mining explosion-proof motor and the drill bit, so that the driving force transmission effect is realized, the hollow rubber outer pipeline can plug the extraction hole after the air inflation is finished, the air inflation pipeline is kept in the extraction hole after the hard vent pipe is drawn out in practical use, then controlling the telescopic pipeline to extend out, connecting the telescopic pipeline with the inflation connector, starting the inflator pump to inflate the hollow rubber outer pipeline, expanding the hollow rubber outer pipeline, plugging an extraction hole, the built-in check valve of the inflation connector prevents air leakage, and the adjustment of the mining explosion-proof motor and the detachment of the bolt between the inflatable pipelines can be realized after the plugging effect is ensured after the inflation.
The invention has the beneficial effects that: when the fixed point position switchable ground inserting assembly is used, the bolt fixing taper is firstly inserted into the ground, and the bolt fixing taper is screwed into the ground seat, so that the ground seat is fixed, flexible position adjustment can adapt to diversified terrains on the coal rock wall in a roadway, and the fixing effect is better.
According to the invention, the hard vent pipe is inserted into the gas extraction hole, so that the gas enters the external pipe base through the soft adjusting pipeline, the gas extraction is realized, the hard vent pipe has certain flexibility due to the arrangement of the soft adjusting pipeline, the hard vent pipe is convenient to insert into the gas extraction hole, the mine explosion-proof motor can be started and adjusted when the hard vent pipe is inserted into the gas extraction hole, the inflatable pipeline and the drill bit are driven to rotate at a high speed by starting the mine explosion-proof motor, the extraction hole can be further polished by the high-speed rotation of the drill bit, and the hard vent pipe is convenient to enter.
The built-in pipeline in the inflatable pipeline is used for being connected with the mining explosion-proof motor and the drill bit for adjusting, so that the driving force transmission effect is achieved, the hollow rubber outer pipeline can be used for plugging the extraction hole after the inflation is completed, the inflatable pipeline is kept in the extraction hole after the hard vent pipe is extracted in practical use, then the hollow rubber outer pipeline is inflated, so that the hollow rubber outer pipeline is expanded, and after the inflation is completed, the bolt between the mining explosion-proof motor and the inflatable pipeline is adjusted is detached to achieve separation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the present invention from the bottom.
Fig. 3 is a schematic structural view of the fixed-point switchable ground-inserting assembly of the present invention.
FIG. 4 is a schematic view of a bolt-fixing awl of the present invention.
Fig. 5 is a schematic structural view of the air-pumping hole-sealing mechanism of the present invention.
FIG. 6 is a cross-sectional view of the inflatable duct of the present invention.
In the figure: 1. the device comprises a lifting control console, 2 parts of a liquid pump, 3 parts of an external pipe seat, 4 parts of a gas pumping hole sealing mechanism, 4-1 parts of a soft adjusting pipeline, 4-2 parts of a hard vent pipe, 4-3 parts of a connecting support, 4-4 parts of an adjusting mining explosion-proof motor, 4-5 parts of an inflatable pipeline, 4-6 parts of a drill bit, 4-7 parts of an inflation joint, 4-8 parts of an inflation pump, 4-9 parts of a telescopic pipeline, 4-10 parts of a hollow rubber external pipeline, 4-11 parts of an internal pipeline, 5 parts of an adjusting screw rod, 6 parts of a fixed point switchable ground inserting assembly, 6-1 parts of a grounding seat, 6-2 parts of an arc-shaped through groove, 6-3 parts of a bolt fixing taper, 6-4 parts of an upper movable plate, 6-5 parts of an arc-shaped clamping plate, 6-6 parts of a ground inserting rod, 6-7 parts of a connecting rod, 6-8 parts of a fixing bolt, 7 parts of a telescopic clamping seat, 8 parts of a soft pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-6, a coal mine gas extraction hole sealing device convenient to adjust comprises a lifting control console 1, an extraction pump 2, an external connection pipe seat 3, an extraction hole sealing mechanism 4, an adjusting screw 5 and a fixed point position switchable ground plugging assembly 6;
the liquid pump 2 is fixedly arranged at the top of the lifting control platform 1, and as a technical optimization scheme of the invention, the lifting control platform 1 is provided with a through groove at the extraction end of the liquid pump 2, a soft pipeline 8 is arranged at the extraction end of the liquid pump 2, a telescopic clamping seat 7 is arranged at the bottom of the lifting control platform 1, and the soft pipeline 8 is clamped in the telescopic clamping seat 7.
In this device in-service use, only need insert the liquid position department that needs the extraction with soft pipeline 8, place the container simultaneously at the top of over-and-under type control cabinet 1, utilize the absorption effect of drawing liquid pump 2 to inhale the liquid of soft pipeline 8 extended position department, realize the imbibition function of coal mining in-process, then can directly realize fixing in flexible cassette 7 with the card income after 8 contractions of soft pipeline when not using, easy operation is convenient.
The external pipe seat 3 is welded at the top of the lifting control console 1, the air exhaust hole sealing mechanism 4 is installed on the external pipe seat 3, the air exhaust hole sealing mechanism 4 is inserted into a gas extraction hole to realize a basic gas extraction function, and the external pipe seat 3 is connected with extraction equipment to realize gas transmission;
the mine explosion-proof motor is arranged in the fixed-point-position switchable ground-inserting component 6, the adjusting screw rod 5 is arranged between output shafts of the mine explosion-proof motors arranged in the two fixed-point-position switchable ground-inserting components 6, the lifting control console 1 is threaded on the adjusting screw rod 5 in a penetrating mode, when the device is actually used, the adjusting screw rod 5 can be driven by opening and closing the mine explosion-proof motors arranged in the two fixed-point-position switchable ground-inserting components 6, the lifting control console 1 is manually controlled to be fixed and prevented from rotating, lifting of the lifting control console 1 is achieved under the driving effect of the adjusting screw rod 5, the heights of the liquid suction pump 2 and the air suction hole sealing mechanism 4 arranged on the lifting control console 1 are adjusted, and gas extraction can be performed on extraction holes with any height.
As a technical optimization scheme of the invention, the fixed point position switchable ground inserting assembly 6 comprises a grounding seat 6-1 and bolt fixing stabs 6-3, four arc-shaped through grooves 6-2 are formed in the grounding seat 6-1, and the bolt fixing stabs 6-3 penetrate through the arc-shaped through grooves 6-2.
When the switchable ground inserting assembly 6 of the fixed point position is actually used, the positions of the bolt fixing conical spines 6-3 can be adjusted and changed while the bolt fixing conical spines are inserted into the arc-shaped through grooves 6-2, when the switchable ground inserting assembly is actually used, the bolt fixing conical spines 6-3 are inserted into the ground, then the bolt fixing conical spines 6-3 are screwed into the ground base 6-1, the ground base 6-1 is fixed, flexible position adjustment can adapt to diversified terrains on the coal rock wall in a roadway, and the fixing effect is better.
As a technical optimization scheme of the invention, the bolt fixing awl 6-3 comprises an upper movable disk 6-4, an arc-shaped clamping plate 6-5, a ground inserting rod 6-6, a connecting rod 6-7 and a fixing bolt 6-8, wherein the arc-shaped clamping plate 6-5 is arranged in an arc-shaped through groove 6-2 in a penetrating mode, the ground inserting rod 6-6 is welded at the bottom of the arc-shaped clamping plate 6-5, the upper movable disk 6-4 is welded at the top of the arc-shaped clamping plate 6-5, the connecting rod 6-7 is welded at the top of the upper movable disk 6-4, threaded holes are formed in a grounding seat 6-1 and the connecting rod 6-7, and the fixing bolt 6-8 is arranged in the two threaded holes in a penetrating mode simultaneously.
In the actual use process of the bolt fixing taper thorn 6-3, after the insertion position is determined, the ground insertion rod 6-6 is moved to enable the ground insertion rod 6-6 to be directly inserted underground to achieve self fixing, the arc-shaped clamping plate 6-5 is arranged to enable the position of the fixing bolt 6-8 of the ground insertion rod 6-6 to be always located above the threaded hole in the ground seat 6-1 when the ground insertion rod 6-6 moves, the fixing of the ground seat 6-1 can be achieved by screwing in the fixing bolt 6-8, and the bolt fixing taper thorn is simple and convenient to operate and convenient to assemble and disassemble.
Example 2
In the embodiment, the structure of the air pumping hole sealing mechanism 4 is customized on the basis of the embodiment 1, the air pumping hole sealing mechanism 4 comprises a soft adjusting pipeline 4-1, a hard vent pipe 4-2, a connecting support 4-3, an adjusting mining explosion-proof motor 4-4, an inflatable pipeline 4-5, a drill bit 4-6, an inflatable joint 4-7, an inflator pump 4-8 and a telescopic pipeline 4-9, and the hard vent pipe 4-2 is connected with an external pipe base 3 through the soft adjusting pipeline 4-1.
When the air-extracting hole-sealing mechanism 4 is actually used, the hard vent pipe 4-2 is inserted into a gas extraction hole, the external pipe seat 3 is communicated with extraction equipment, so that gas is sucked through the hard vent pipe 4-2 and enters the external pipe seat 3 through the soft adjusting pipeline 4-1, the gas extraction is realized, the arrangement of the soft adjusting pipeline 4-1 enables the hard vent pipe 4-2 to have certain flexibility, and the hard vent pipe 4-2 can be conveniently inserted into the extraction hole.
As a technical optimization scheme of the invention, the adjusting mining explosion-proof motor 4-4 is fixed at one end of the hard vent pipe 4-2 through the connecting bracket 4-3, the inflatable pipeline 4-5 is detachably connected with an output shaft of the adjusting mining explosion-proof motor 4-4, and the drill bit 4-6 is welded at one end of the inflatable pipeline 4-5.
In the practical use process of the inflatable pipeline 4-5, the hard vent pipe 4-2 can be opened to adjust the mining explosion-proof motor 4-4 when inserted into the extraction hole, the inflatable pipeline 4-5 and the drill bit 4-6 are driven to rotate at high speed by adjusting the opening of the mining explosion-proof motor 4-4, the diameter of the inflatable pipeline 4-5 is smaller than that of the drill bit 4-6 in the non-inflated state, the extraction hole can be further polished by the high-speed rotation of the drill bit 4-6, the hard vent pipe 4-2 can conveniently enter, and the connecting bracket 4-3 is arranged to ensure that the mining explosion-proof motor 4-4 and the hard vent pipe 4-2 are adjusted to keep a certain distance, so that the superposition of a drilling path and the hard vent pipe 4-2 is ensured, and the air suction effect after the hard vent pipe 4-2 is inserted into the extraction hole is not influenced.
As a technical optimization scheme of the invention, one end of an inflatable pipeline 4-5 is provided with an inflatable joint 4-7, an inflator pump 4-8 is fixed on the outer wall of a rigid vent pipe 4-2, a telescopic pipeline 4-9 is installed at the air outlet end of the inflator pump 4-8, the telescopic pipeline 4-9 is positioned at one side of the inflatable joint 4-7, the inflatable pipeline 4-5 comprises a hollow rubber outer pipeline 4-10 and an internal pipeline 4-11, the hollow rubber outer pipeline 4-10 is welded on the internal pipeline 4-11, and the inflatable joint 4-7 is communicated with the inner cavity of the hollow rubber outer pipeline 4-10.
When the air-extracting hole-sealing mechanism 4 is actually used, the built-in pipeline 4-11 in the inflatable pipeline 4-5 is used for being connected with the mine-adjusting explosion-proof motor 4-4 and the drill bit 4-6 to achieve a driving force transmission effect, the hollow rubber outer pipeline 4-10 can achieve plugging of an extraction hole after air inflation is completed, when the air-extracting hole-sealing mechanism is actually used, after the hard vent pipe 4-2 is extracted, the inflatable pipeline 4-5 is kept in the extraction hole, then the telescopic pipeline 4-9 is controlled to extend out, the telescopic pipeline 4-9 is connected with the air-inflating joint 4-7, the air-inflating pump 4-8 is started to inflate the hollow rubber outer pipeline 4-10, the hollow rubber outer pipeline 4-10 is expanded, the extraction hole is plugged, the air-inflating joint 4-7 is internally provided with a one-way valve to prevent air leakage, after the plugging effect is ensured after the inflation is finished, bolts between the mining explosion-proof motor 4-4 and the inflatable pipeline 4-5 are adjusted to be detached to realize separation.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a colliery gas drainage hole sealing device convenient to adjust which characterized in that: the device comprises a lifting control console (1), a liquid pump (2), an external pipe seat (3), an air pumping hole sealing mechanism (4), an adjusting screw rod (5) and a fixed point position switchable ground inserting assembly (6);
the liquid pump (2) is fixedly arranged at the top of the lifting control console (1);
the external pipe seat (3) is welded at the top of the lifting control platform (1), and the air pumping hole sealing mechanism (4) is arranged on the external pipe seat (3);
the mining explosion-proof motor is arranged in the fixed-point-position switchable ground-inserting assembly (6), the adjusting screw rod (5) is arranged between output shafts of the mining explosion-proof motor arranged in the fixed-point-position switchable ground-inserting assembly (6), and the lifting control console (1) is arranged on the adjusting screw rod (5) in a threaded penetrating mode.
2. The coal mine gas extraction hole sealing device convenient to adjust according to claim 1, characterized in that: over-and-under type control cabinet (1) extraction end of drawing liquid pump (2) has been seted up and has been worn the groove, soft pipeline (8) are installed to the extraction end of drawing liquid pump (2), flexible cassette (7) are installed to the bottom of over-and-under type control cabinet (1), soft pipeline (8) card is established in flexible cassette (7).
3. The coal mine gas extraction hole sealing device convenient to adjust according to claim 1, characterized in that: the switchable fixed point position ground inserting assembly (6) comprises a grounding seat (6-1) and bolt fixing stabs (6-3), four arc-shaped through grooves (6-2) are formed in the grounding seat (6-1), and the bolt fixing stabs (6-3) penetrate through the arc-shaped through grooves (6-2).
4. The coal mine gas extraction hole sealing device convenient to adjust according to claim 3, characterized in that: the bolt fixing awl (6-3) comprises an upper movable disc (6-4), an arc-shaped clamping plate (6-5), a ground inserting rod (6-6), a connecting rod (6-7) and a fixing bolt (6-8), the arc-shaped clamping plate (6-5) penetrates through the arc-shaped through groove (6-2), the ground inserting rod (6-6) is welded at the bottom of the arc-shaped clamping plate (6-5), and the upper movable disc (6-4) is welded at the top of the arc-shaped clamping plate (6-5).
5. The coal mine gas extraction hole sealing device convenient to adjust according to claim 4, characterized in that: the connecting rod (6-7) is welded at the top of the upper movable disc (6-4), threaded holes are formed in the grounding seat (6-1) and the connecting rod (6-7), and the fixing bolts (6-8) penetrate through the two threaded holes at the same time.
6. The coal mine gas extraction hole sealing device convenient to adjust according to claim 1, characterized in that: the air pumping hole sealing mechanism (4) comprises a soft adjusting pipeline (4-1), a hard vent pipe (4-2), a connecting support (4-3), an adjusting mining explosion-proof motor (4-4), an inflatable pipeline (4-5), a drill bit (4-6), an inflation connector (4-7), an inflator pump (4-8) and a telescopic pipeline (4-9), wherein the hard vent pipe (4-2) is connected with the outer pipe base (3) through the soft adjusting pipeline (4-1).
7. The coal mine gas extraction hole sealing device convenient to adjust according to claim 6, characterized in that: the adjusting mining explosion-proof motor (4-4) is fixed at one end of the hard vent pipe (4-2) through the connecting support (4-3), the inflatable pipeline (4-5) is detachably connected with an output shaft of the adjusting mining explosion-proof motor (4-4), and the drill bit (4-6) is welded at one end of the inflatable pipeline (4-5).
8. The coal mine gas extraction hole sealing device convenient to adjust according to claim 7, characterized in that: one end of the inflatable pipeline (4-5) is provided with an inflatable joint (4-7), the inflator pump (4-8) is fixed on the outer wall of the hard vent pipe (4-2), the telescopic pipeline (4-9) is installed at the air outlet end of the inflator pump (4-8), and the telescopic pipeline (4-9) is located on one side of the inflatable joint (4-7).
9. The coal mine gas extraction hole sealing device convenient to adjust according to claim 8, characterized in that: the inflatable pipeline (4-5) comprises a hollow rubber outer pipeline (4-10) and a built-in pipeline (4-11), the hollow rubber outer pipeline (4-10) is welded on the built-in pipeline (4-11), and the inflatable joint (4-7) is communicated with an inner cavity of the hollow rubber outer pipeline (4-10).
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| CN202111586316.XA CN114396242B (en) | 2021-12-23 | 2021-12-23 | Colliery gas drainage hole sealing device convenient to adjust |
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| CN202111586316.XA CN114396242B (en) | 2021-12-23 | 2021-12-23 | Colliery gas drainage hole sealing device convenient to adjust |
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| CN114396242B CN114396242B (en) | 2023-09-01 |
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