CN113622989B - Hole sealing device for intelligent gas extraction - Google Patents
Hole sealing device for intelligent gas extraction Download PDFInfo
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- CN113622989B CN113622989B CN202111110551.XA CN202111110551A CN113622989B CN 113622989 B CN113622989 B CN 113622989B CN 202111110551 A CN202111110551 A CN 202111110551A CN 113622989 B CN113622989 B CN 113622989B
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- 238000007789 sealing Methods 0.000 title claims abstract description 86
- 238000000605 extraction Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 9
- 239000003245 coal Substances 0.000 description 8
- 238000004880 explosion Methods 0.000 description 8
- 230000002378 acidificating effect Effects 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000004568 cement Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a hole sealing device for intelligent gas extraction, which comprises a conveying pipeline, wherein a first fixing ring and a second fixing ring are arranged on the outer surface of the conveying pipeline, a sealing plate is arranged in the conveying pipeline, a sealing plug is arranged on the upper surface of the sealing plate, and an elastic air bag is movably sleeved on the outer surface of one end of the sealing plug. The beneficial effects of the invention are as follows: when the gas drainage hole sealing device is used, the L-shaped bearing plate is firstly arranged on the lower surface of the sealing cover, then the rotating rod is rotated, the rotating rod drives the first bevel gear to rotate, the second bevel gear meshed with the rotating rod drives the threaded rod to rotate, the first fixing ring moves along the threaded rod, the plugging device arranged on one side of the sealing cover is further moved to the inside of the conveying pipeline, the installation is simple and convenient, and the occurrence of gas leakage is reduced.
Description
Technical Field
The invention relates to a hole sealing device, in particular to a hole sealing device for intelligent gas extraction, and belongs to the technical field of coal mines.
Background
At present, in the field of coal mines, coal mine gas extraction is often required to be performed by drilling a coal seam and a gas gathering area, when gas extraction is performed, the coal seam is usually drilled firstly, the drilled hole is connected to a special pipeline for extraction, the drilled hole is connected with the special pipeline, engineering construction has a certain period, the laying time of the special pipeline is generally longer, and the connecting pipe is required to be temporarily plugged after being installed and fixed, so that a large amount of gas is prevented from exuding.
Because the underground ventilation environment of the coal mine has certain limitation, when the underground emergency such as wind stoppage and power failure occurs, the gas concentration in the coal layer is continuously increased and accumulated under the windless condition, and the possibility of gas accidents is increased, so that the plugging device is required to be quickly removed in order to evacuate the gas in the coal layer during the period of power failure and wind stoppage, the gas is extracted by using the extraction device, and the pipe orifice and the plugging device are plugged by substances such as cement, so that the cement is solidified after a period of time, and the solidified cement is impacted by the pressure in the pipeline, so that cracks are easy to occur, gas leakage is easy to occur, and the danger exists in the internal environment of the mine;
meanwhile, in gas extraction transportation, the explosion suppressor can be adopted to relieve crisis, powder is sprayed out of the explosion suppressor to partition gas, fire in a pipeline is prevented from spreading, the safety along the line is affected, as the gas contains water and the concentration of coal dust is large, the explosion suppressor is mainly made of dry powder as fire extinguishing medium and is acidic when meeting water, the plugging cover is corroded, the connection strength is affected, the end cover is propped open and falls off under the gas strength, gas leakage is caused, and aiming at the conditions, the intelligent hole sealing device for gas extraction is provided.
Disclosure of Invention
The invention aims to solve the problems and provide the hole sealing device for intelligent gas extraction, which has simple result and strong practicability.
The invention realizes the aim through the following technical scheme, and the hole sealing device for intelligent gas extraction comprises;
the outer surface of the conveying pipeline is fixedly sleeved with a second fixing ring, the outer surface of the conveying pipeline is connected with a first fixing ring in a sliding manner, a sealing plate is arranged in the conveying pipeline, the upper surface of the sealing plate is provided with a sealing plug, and the outer surface of one end of the sealing plug is movably sleeved with an elastic air bag;
the compression mechanism is arranged above the elastic air bag and comprises a threaded column and a movable ring, the threaded column is rotationally connected to one side of the sealing plate, the movable ring is in threaded sleeve connection with the outer surface of the threaded column, and one end of the movable ring is movably propped against the outer surface of the elastic air bag.
Preferably, the compressing mechanism further comprises a rotating disc, a connecting ring, a fixed plate, a strip-shaped groove and a movable plate, wherein the rotating disc is fixedly arranged at one end of the threaded column, the other end of the threaded column is fixedly sleeved with the connecting ring, the fixed plate is fixedly arranged on two sides of the connecting ring, the strip-shaped plate is movably hinged to two sides of the movable ring, and the movable plate is movably hinged between the fixed plate and the strip-shaped plate.
Preferably, one side of each of the two groups of strip-shaped plates is provided with a strip-shaped groove, one end of each of the two groups of movable plates is slidably connected in the strip-shaped groove, and the movable ring is slidably connected to the outer surface of the threaded column.
Preferably, the lower surface of the sealing plate is provided with a circular groove, and a rotating disc fixedly arranged at one end of the threaded column is rotationally connected in the circular groove.
Preferably, a gas pipe is arranged between the elastic air bag and the sealing plate, and a control valve is arranged at one end of the gas pipe extending out of the sealing plate.
Preferably, the surface fixed mounting of first solid fixed ring has the fixed block, the lower surface of fixed block is equipped with L shape loading board, the spread groove has been seted up to pipeline's surface, first solid fixed ring sliding connection is in the inside of spread groove, the inside rotation of spread groove is connected with the threaded rod.
Preferably, the inside wall fixed mounting of first solid fixed ring has the connecting block, the screw thread groove has been seted up to the inside of connecting block, the connecting block cup joints the surface at the threaded rod through the screw thread groove screw thread, the inside sliding connection of connecting groove has the connecting block, the internally mounted of second solid fixed ring has adjustment mechanism.
Preferably, the adjusting mechanism comprises a rotating rod, a first bevel gear and a second bevel gear, one end of the rotating rod is rotationally connected to the outer surface of the second fixed ring, one end of the rotating rod extending to the inner part of the second fixed ring is fixedly sleeved with the first bevel gear, the top end of the threaded rod is fixedly sleeved with the second bevel gear, and the first bevel gear and the second bevel gear are meshed with each other.
Preferably, the inside activity of fixed block articulates there is square board, the lower surface fixedly connected with L shape loading board of square board, the spout has been seted up to one side of square board, the inside sliding connection of spout has the telescopic link.
Preferably, the outer surface activity of telescopic link has cup jointed the spring, the one end activity hinge that the telescopic link kept away from the spout is at the inside wall of fixed block.
The beneficial effects of the invention are as follows: .
1. This hole sealing device that gas drainage adopted is when using, install L shape loading board at the lower surface of sealed lid earlier, then rotate the dwang for the dwang drives first bevel gear and rotates, thereby drive the threaded rod with its meshed second bevel gear and rotate, make the fixed block of first solid fixed ring inside fixed mounting move to the direction that is close to the second fixed block under the threaded connection effect with the threaded rod, and then make to drive sealed lid to the inside removal of pipeline, make the plugging device of sealed lid one side installation remove to the one end of pipeline, easy and simple to handle, when using cement shutoff in the reduction traditional mode, the circumstances that the crack appears after the cement is dried and causes the gas to leak appear.
2. This hole sealing device that gas drainage adopted is when using, through rotating the inside rolling disc of closing plate for the rolling disc drives the screw thread post and rotates, thereby makes the removal ring and removes to the direction that is close to the elastic gasbag, compresses the centre of gasbag, makes the elastic gasbag formation a bowl form the column structure this moment, makes the explosion suppressor be in the blowout powder, cuts off the gas of pipeline inside, and the liquid that forms acidity with the water reaction can not remove to pipeline and sealed junction of cover, thereby prevent the corruption of acid liquid to plugging device, cause sealed lid to drop, lead to the gas to leak.
3. This hole sealing device that gas drainage adopted is when using, through the L shape loading board of rotating first solid fixed ring one side fixed mounting's fixed block lower extreme installation for L shape loading board is located fixed block one end fixed connection's square board and rotates, thereby make the telescopic link of square board one side assembly carry out concertina movement, and the surface of telescopic link is equipped with the spring, make the spring carry out concertina movement along with the telescopic link, thereby the lower surface at the closing plate is installed to the convenience with L shape loading board, make closing plate and first solid fixed ring carry out primary connection, make things convenient for the later stage with closing plate and inside plugging device installation at pipeline's inside.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the conveying pipeline according to the present invention;
FIG. 3 is a schematic view of a seal plate according to the present invention;
FIG. 4 is a schematic view of the structure of the elastic air bag of the present invention;
FIG. 5 is a schematic diagram of a compression mechanism according to the present invention;
FIG. 6 is a schematic view of a first retaining ring according to the present invention;
FIG. 7 is a schematic view of a fixing mechanism according to the present invention;
fig. 8 is a schematic view of an L-shaped carrier structure according to the present invention.
In the figure: 1. a delivery conduit; 2. a first fixing ring; 3. a second fixing ring; 4. a sealing plate; 401. a circular groove; 5. a fixed block; 6. an L-shaped bearing plate; 7. a sealing plug; 8. an elastic air bag; 9. a compression mechanism; 901. a rotating disc; 902. a threaded column; 903. a connecting ring; 904. a moving ring; 905. a fixing plate; 906. a strip-shaped plate; 907. a bar-shaped groove; 908. a movable plate; 10. a gas pipe; 11. a control valve; 12. a connecting groove; 13. a connecting block; 14. a thread groove; 15. a threaded rod; 16. an adjusting mechanism; 161. a rotating lever; 162. a first bevel gear; 163. a second bevel gear; 17. a square plate; 18. a chute; 19. a telescopic rod; 20. and (3) a spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention discloses a hole sealing device for intelligent gas extraction, which is shown in figures 1-8 and comprises:
referring to fig. 1-3, a second fixing ring 3 is fixedly sleeved on the outer surface of the conveying pipeline 1, the conveying pipeline 1 referring to fig. 1-3 is conveyed, the second fixing ring 3 is fixedly sleeved on the outer surface of the conveying pipeline 1, the first fixing ring 2 is slidingly connected on the outer surface of the conveying pipeline 1, a sealing plate 4 is assembled in the conveying pipeline 1, a sealing plug 7 is assembled on the upper surface of the sealing plate 4, an elastic air bag 8 is movably sleeved on the outer surface of one end of the sealing plug 7, an air pipe 10 is assembled between the elastic air bag 8 and the sealing plate 4, a control valve 11 is assembled at one end of the air pipe 10 extending out of the sealing plate 4, the pipe orifice of the conveying pipeline 1 is firstly sealed for the first time through the sealing plug 7, and the elastic air bag 8 seals the pipe orifice through the action of the elastic air bag 8 on one hand, and on the other hand, when the explosion suppressor is ejecting powder, gas in the conveying pipeline 1 is separated, acidic liquid formed by reaction with water cannot move to the joint of the conveying pipeline 1 and the sealing plate 4, so that corrosion of the acidic liquid to a plugging device is prevented.
Referring to fig. 2-3, the compressing mechanism 9 is installed above the elastic air bag 8, the compressing mechanism 9 includes a threaded column 902 and a moving ring 904, the threaded column 902 is rotatably connected to one side of the sealing plate 4, the moving ring 904 is in threaded connection with the outer surface of the threaded column 902, one end of the moving ring 904 is movably abutted against the outer surface of the elastic air bag 8, a circular groove 401 is formed in the lower surface of the sealing plate 4, a rotating disc 901 fixedly installed at one end of the threaded column 902 is rotatably connected to the inside of the circular groove 401, and the upper surface of the elastic air bag 8 in a full state is compressed under the action of the moving ring (904), so that the elastic air bag 8 forms a bowl-shaped structure, and the elastic air bag 8 is made of anti-corrosion materials, so that blocking can be formed to acidic liquid.
Referring to fig. 3-5, the compressing mechanism 9 further includes a rotating disc 901, a connecting ring 903, a fixed plate 905, a strip plate 906, a strip groove 907 and a movable plate 908, wherein the rotating disc 901 is fixedly installed at one end of the threaded column 902, the other end of the threaded column 902 is fixedly sleeved with the connecting ring 903, both sides of the connecting ring 903 are fixedly installed with the fixed plate 905, both sides of the movable ring 904 are movably hinged with the strip plate 906, the movable plate 908 is movably hinged between the fixed plate 905 and the strip plate 906, one sides of the two groups of strip plates 906 are provided with the strip groove 907, one ends of the two groups of the movable plates 908 are slidably connected in the strip groove 907, the movable ring 904 is slidably connected on the outer surface of the threaded column 902, and the threaded column 902 is rotated through the rotating disc 901, so that the movable ring 904 sleeved on the surface of the threaded column moves towards a direction close to the elastic air bag 8, and compresses the middle of the elastic air bag 8.
Referring to fig. 6-7, the outer surface of the first fixing ring 2 is fixedly provided with a fixing block 5, the lower surface of the fixing block 5 is provided with an L-shaped bearing plate 6, the outer surface of the conveying pipeline 1 is provided with a connecting groove 12, the first fixing ring 2 is slidably connected in the connecting groove 12, the inside of the connecting groove 12 is rotationally connected with a threaded rod 15, the inner side wall of the first fixing ring 2 is fixedly provided with a connecting block 13, the inside of the connecting block 13 is provided with a threaded groove 14, the connecting block 13 is in threaded sleeve joint with the outer surface of the threaded rod 15 through the threaded groove 14, the inside of the connecting groove 12 is slidably connected with the connecting block 13, the inside of the second fixing ring 3 is provided with an adjusting mechanism 16, and the connecting block 13 is in threaded sleeve joint with the surface of the threaded rod 15 through the threaded rod 15, so that the first fixing ring 2 slides on the outer surface of the conveying pipeline 1, and thus the sealing plate 4 and a plugging device arranged on one side of the sealing plate 2 move along with the first fixing ring 2, so that the sealing plate 4 closely abuts against the pipe orifice of the conveying pipeline 1.
Referring to fig. 7, the adjusting mechanism 16 includes a rotating rod 161, a first bevel gear 162 and a second bevel gear 163, one end of the rotating rod 161 is rotatably connected to the outer surface of the second fixed ring 3, the rotating rod 161 extends to the outer surface of one end inside the second fixed ring 3, the first bevel gear 162 is fixedly sleeved on the top end of the threaded rod 15, the second bevel gear 163 is fixedly sleeved on the top end of the threaded rod, the first bevel gear 162 and the second bevel gear 163 are meshed, and the threaded rod 15 is driven to rotate through the meshing action of the first bevel gear 162 and the second bevel gear 163, so that the distance between the first fixed ring 2 and the pipe orifice of the conveying pipeline 1 is conveniently adjusted, and the sealing plate 4 installed at the pipe orifice and a plugging device installed at one side of the sealing plate 4 are conveniently installed and detached, and the operation is simple.
Referring to fig. 8, a square plate 17 is movably hinged to the inside of the fixed block 5, an L-shaped bearing plate 6 is fixedly connected to the lower surface of the square plate 17, a chute 18 is formed in one side of the square plate 17, a telescopic rod 19 is slidably connected to the inside of the chute 18, a spring 20 is movably sleeved on the outer surface of the telescopic rod 19, one end, far away from the chute 18, of the telescopic rod 19 is movably hinged to the inner side wall of the fixed block 5, when the L-shaped bearing plate 6 on one side of the first fixed ring 2 is connected with one end of the sealing plate 4, the L-shaped bearing plate 6 is pulled according to the actual diameter of the sealing plate 4, so that the angle between multiple groups of L-shaped bearing plates 6 and the first fixed ring 2 gradually increases, then the sealing plate 4 is moved to the upper surface of the L-shaped bearing plate 6, and the L-shaped bearing plate 6 is released at this moment, so that the lower surface of the sealing plate 4 is clamped under the action of the spring 20.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below by way of examples with reference to the accompanying drawings.
Embodiment 1,
As shown in fig. 1-8, a sealing device for intelligent gas extraction is provided with a sealing plate 4 in a conveying pipeline 1, a sealing plug 7 is provided on the upper surface of the sealing plate 4, an elastic air bag 8 is movably sleeved on the outer surface of one end of the sealing plug 7, a compression mechanism 9 is arranged above the elastic air bag 8, the compression mechanism 9 comprises a threaded column 902 and a movable ring 904, the threaded column 902 is rotatably connected to one side of the sealing plate 4, the movable ring 904 is in threaded sleeve connection with the outer surface of the threaded column 902, one end of the movable ring 904 is movably abutted against the outer surface of the elastic air bag 8, a circular groove 401 is provided on the lower surface of the sealing plate 4, a rotating disc 901 fixedly arranged at one end of the threaded column 902 is rotatably connected to the inner part of the circular groove 401,
the compression mechanism 9 further comprises a rotating disc 901, a connecting ring 903, a fixed plate 905, a strip-shaped plate 906, a strip-shaped groove 907 and a movable plate 908, wherein the rotating disc 901 is fixedly arranged at one end of the threaded column 902, the other end of the threaded column 902 is fixedly sleeved with the connecting ring 903, the fixed plate 905 is fixedly arranged at two sides of the connecting ring 903, the strip-shaped plate 906 is movably hinged to two sides of the movable ring 904, the movable plate 908 is movably hinged between the fixed plate 905 and the strip-shaped plate 906, the strip-shaped groove 907 is formed in one side of each of the two groups of strip-shaped plates 906, one ends of the two groups of movable plates 908 are slidably connected in the strip-shaped groove 907, and the movable ring 904 is slidably connected to the outer surface of the threaded column 902.
Firstly, through rotating the rotating disk 901 installed on the lower surface of the sealing plate 4, the rotating disk 901 drives the threaded column 902 to rotate, and then the movable ring 904 moves on the surface of the threaded column 902, so that the movable ring 904 limits the elastic air bag 8 in a full state, the elastic air bag forms a bowl-shaped structure, and when powder sprayed by the explosion suppressor reacts with water to form acidic liquid, the acidic liquid is prevented from corroding the sealing device.
And at the same time, when the threaded post 902 rotates, the connecting ring 903 is in a fixed state, so that the strip plate 906 and the movable plate 908 perform limit movement on the movable ring 904.
Embodiment II,
As shown in fig. 1-8, a hole sealing device for intelligent gas extraction is shown, the outer surface of a conveying pipeline 1 is fixedly sleeved with a second fixing ring 3, the outer surface of the conveying pipeline 1 is slidably connected with a first fixing ring 2, the outer surface of the first fixing ring 2 is fixedly provided with a fixing block 5, the lower surface of the fixing block 5 is provided with an L-shaped bearing plate 6, the outer surface of the conveying pipeline 1 is provided with a connecting groove 12, the first fixing ring 2 is slidably connected in the connecting groove 12, the inside of the connecting groove 12 is rotationally connected with a threaded rod 15, the inner side wall of the first fixing ring 2 is fixedly provided with a connecting block 13, the inside of the connecting block 13 is provided with a threaded groove 14, the connecting block 13 is in threaded sleeve connection with the outer surface of the threaded rod 15 through the threaded groove 14, the inside of the connecting groove 12 is slidably connected with the connecting block 13, and the inside of the second fixing ring 3 is provided with an adjusting mechanism 16.
The adjusting mechanism 16 comprises a rotating rod 161, a first bevel gear 162 and a second bevel gear 163, one end of the rotating rod 161 is rotationally connected to the outer surface of the second fixed ring 3, the outer surface of one end of the rotating rod 161 extending to the inside of the second fixed ring 3 is fixedly sleeved with the first bevel gear 162, the top end of the threaded rod 15 is fixedly sleeved with the second bevel gear 163, and the first bevel gear 162 and the second bevel gear 163 are meshed with each other.
Through the dwang 161 of the fixed ring 3 one side of rotation for dwang 161 drives first bevel gear 162 rotation, thereby with the inside threaded rod 15 of first bevel gear 162 meshing's second bevel gear 163 drive spread groove 12 rotates, make the inside fixed mounting's of fixed ring 2 connecting block 13 of first move to the direction that is close to the fixed ring 3 of second under the threaded connection effect with threaded rod 15, and then make the L shape loading board 6 of fixed ring 2 installation all around promote closing plate 4 to the inside removal of pipeline 1, make closing plate 4 and the inside of pipeline 1 of plugging device of one side installation move.
Third embodiment,
As shown in fig. 1-8, a hole sealing device for intelligent gas extraction is provided, a fixed block 5 is fixedly arranged on the outer surface of a first fixed ring 2, a square plate 17 is movably hinged in the fixed block 5, an L-shaped bearing plate 6 is fixedly connected to the lower surface of the square plate 17, a chute 18 is formed in one side of the square plate 17, a telescopic rod 19 is slidably connected in the chute 18, a spring 20 is movably sleeved on the outer surface of the telescopic rod 19, and one end, far away from the chute 18, of the telescopic rod 19 is movably hinged on the inner side wall of the fixed block 5.
Through pulling fixed block 5 lower surface assembly's L shape loading board 6 for angle between multiunit L shape loading board 6 and the first fixed ring 2 becomes big gradually, and the distance between multiunit L shape loading board 6 becomes big gradually this moment, then removes closing plate 4 to multiunit L shape loading board 6's upper surface this moment again, then releases L shape loading board 6, makes L shape loading board 6 joint at closing plate 4's lower surface under spring 20's effect, makes first fixed ring 2 carry out primary connection fixed through L shape loading board 6 and closing plate 4.
In view of the above-mentioned, it is desirable,
when the hole sealing device for gas extraction is used, the L-shaped bearing plates 6 assembled on the lower surfaces of the fixed blocks 5 mounted on the outer surfaces of the first fixed rings 2 are pulled at first, the angles between the L-shaped bearing plates 6 and the first fixed rings 2 are gradually increased, the springs 20 are stretched, the distances between the L-shaped bearing plates 6 are gradually increased, then the sealing plates 4 and sealing plugs 7 assembled inside the sealing plates are moved to the upper surfaces of the L-shaped bearing plates 6, the L-shaped bearing plates 6 are released, the L-shaped bearing plates 6 are clamped on the lower surfaces of the sealing plates 4 under the action of the springs 20, and the first fixed rings 2 are connected and fixed with the sealing plates 4 for the first time through the L-shaped bearing plates 6.
Further, at this time, one end of the sealing plate 4 and the sealing plug 7 assembled therein are located inside the conveying pipeline 1, and then the rotating rod 161 on one side of the second fixing ring 3 is rotated, so that the rotating rod 161 drives the first bevel gear 162 to rotate, and the second bevel gear 163 meshed with the first bevel gear 162 drives the threaded rod 15 inside the connecting groove 12 to rotate, so that the connecting block 13 fixedly installed inside the first fixing ring 2 moves in a direction close to the second fixing ring 3 under the action of the threaded connection with the threaded rod 15, and then the L-shaped bearing plates 6 installed around the first fixing ring 2 push the sealing plate 4 to move inside the conveying pipeline 1, so that the sealing plate 4 closely abuts against the pipe orifice of the conveying pipeline 1.
Further, when the sealing plate 4 and the sealing plug 7 plug the pipe orifice of the conveying pipeline 1, the rotating disc 901 mounted on the lower surface of the sealing plate 4 is rotated at this time, so that the rotating disc 901 drives the threaded column 902 to rotate, and the moving ring 904 moves in the direction close to the elastic air bag 8, so that the elastic air bag 8 in a shrunken state is limited.
Further, open control valve 11, aerify to the inside of elasticity gasbag 8 through gas-supply pipe 10, and because the spacing effect of removal ring 904 for elasticity gasbag 8 forms a bowl form structure, and the explosion suppression ware is installed to sealing plug 7 one end, when cutting off the inside gas of pipeline 1, the powder that can spun of explosion suppression ware, the powder reacts with water and forms acidic liquid and can fall the inside bowl dress structure that elasticity gasbag 8 formed, and then corrodes sealing device with acid liquid.
Finally, when the sealing plate is not needed to be used, the rotating rod 161 is rotated again, so that the rotating rod 161 drives the first bevel gear 162 to rotate, the threaded rod 15 inserted into the second bevel gear 163 is rotated, the first fixing ring 2 moves in the direction away from the second fixing ring 3, and the sealing plate 4 moves out of the conveying pipeline 1, so that the operation is simple and convenient.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The hole sealing device for intelligent gas extraction is characterized by comprising the following components;
the conveying pipeline (1), the surface fixed sleeve of conveying pipeline (1) has cup jointed second solid fixed ring (3), the surface sliding connection of conveying pipeline (1) has first solid fixed ring (2), the inside of conveying pipeline (1) is equipped with closing plate (4), the upper surface of closing plate (4) is equipped with sealing plug (7), the one end surface activity of sealing plug (7) has cup jointed elasticity gasbag (8);
the compression mechanism (9) is arranged above the elastic air bag (8), the compression mechanism (9) comprises a threaded column (902) and a movable ring (904), the threaded column (902) is rotationally connected to one side of the sealing plate (4), the movable ring (904) is in threaded sleeve connection with the outer surface of the threaded column (902), and one end of the movable ring (904) is movably propped against the outer surface of the elastic air bag (8);
the compression mechanism (9) further comprises a rotating disc (901), a connecting ring (903), a fixed plate (905), a strip-shaped plate (906), a strip-shaped groove (907) and a movable plate (908), wherein the rotating disc (901) is fixedly arranged at one end of a threaded column (902), the other end of the threaded column (902) is fixedly sleeved with the connecting ring (903), both sides of the connecting ring (903) are fixedly provided with the fixed plate (905), both sides of the movable ring (904) are movably hinged with the strip-shaped plate (906), and the movable plate (908) is movably hinged between the fixed plate (905) and the strip-shaped plate (906);
one side of each of the two groups of strip-shaped plates (906) is provided with a strip-shaped groove (907), one ends of the two groups of movable plates (908) are connected inside the strip-shaped grooves (907) in a sliding mode, and the movable ring (904) is connected on the outer surface of the threaded column (902) in a sliding mode;
the lower surface of the sealing plate (4) is provided with a circular groove (401), and a rotating disc (901) fixedly arranged at one end of the threaded column (902) is rotationally connected inside the circular groove (401);
the outer surface of the first fixed ring (2) is fixedly provided with a fixed block (5), the lower surface of the fixed block (5) is provided with an L-shaped bearing plate (6), the outer surface of the conveying pipeline (1) is provided with a connecting groove (12), the first fixed ring (2) is slidably connected in the connecting groove (12), and the inside of the connecting groove (12) is rotationally connected with a threaded rod (15);
the inner side wall of the first fixed ring (2) is fixedly provided with a connecting block (13), the inside of the connecting block (13) is provided with a thread groove (14), the connecting block (13) is sheathed on the outer surface of the threaded rod (15) through the thread groove (14) in a threaded manner, the inside of the connecting groove (12) is connected with the connecting block (13) in a sliding manner, and the inside of the second fixed ring (3) is provided with an adjusting mechanism (16);
the adjusting mechanism (16) comprises a rotating rod (161), a first bevel gear (162) and a second bevel gear (163), one end of the rotating rod (161) is rotationally connected to the outer surface of the second fixed ring (3), the rotating rod (161) extends to the outer surface of one end inside the second fixed ring (3) to be fixedly sleeved with the first bevel gear (162), the top end of the threaded rod (15) is fixedly sleeved with the second bevel gear (163), and the first bevel gear (162) and the second bevel gear (163) are meshed.
2. The hole sealing device for intelligent gas extraction according to claim 1, wherein: an air pipe (10) is arranged between the elastic air bag (8) and the sealing plate (4), and a control valve (11) is arranged at one end, extending out of the sealing plate (4), of the air pipe (10).
3. The hole sealing device for intelligent gas extraction according to claim 1, wherein: the inside activity of fixed block (5) articulates there is square board (17), the lower surface fixedly connected with L shape loading board (6) of square board (17), spout (18) have been seted up to one side of square board (17), the inside sliding connection of spout (18) has telescopic link (19).
4. A hole sealing device for intelligent gas extraction according to claim 3, characterized in that: the outer surface of the telescopic rod (19) is movably sleeved with a spring (20), and one end, far away from the sliding groove (18), of the telescopic rod (19) is movably hinged to the inner side wall of the fixed block (5).
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| CN114396242B (en) * | 2021-12-23 | 2023-09-01 | 华北科技学院(中国煤矿安全技术培训中心) | Colliery gas drainage hole sealing device convenient to adjust |
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