CN116677345B - Hole packer for gas drainage - Google Patents
Hole packer for gas drainage Download PDFInfo
- Publication number
- CN116677345B CN116677345B CN202310651353.7A CN202310651353A CN116677345B CN 116677345 B CN116677345 B CN 116677345B CN 202310651353 A CN202310651353 A CN 202310651353A CN 116677345 B CN116677345 B CN 116677345B
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- Prior art keywords
- pipe
- grouting
- movable seat
- hole
- bag
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000033001 locomotion Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 abstract description 37
- 239000007788 liquid Substances 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 19
- 239000011148 porous material Substances 0.000 abstract description 11
- 238000001125 extrusion Methods 0.000 abstract description 10
- 230000035699 permeability Effects 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 description 9
- 239000003245 coal Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000035515 penetration Effects 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 210000004712 air sac Anatomy 0.000 description 4
- 239000011440 grout Substances 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- 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
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
- E21B33/138—Plastering the borehole wall; Injecting into the formation
-
- 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
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- 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)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to the technical field of gas drainage and discloses a hole packer for gas drainage, which comprises a pipeline connector, wherein a first drainage pipe is arranged at one end of the pipeline connector, a second drainage pipe is arranged at the other end of the pipeline connector, a first hole packer is arranged in the middle of the pipeline connector, and the first hole packer comprises a fixing seat. This technical scheme is through being equipped with first hole sealing mechanism and compressible subassembly on the pipe connector, when the slip casting bag slip casting inflation back, the region at pipe connector place can be sealed, this moment to the regional slip casting at pipe connector place, along with the entering of thick liquid, thick liquid can cause the extrusion to compressible subassembly, can provide power for the piercing rod activity through compressible subassembly, the piercing rod can pierce in the drainage pore wall, the thick liquid accessible piercing rod of pipe connector department gets into in the gap of drainage pore wall like this, reduce its permeability, the effectual closure effect that has improved.
Description
Technical Field
The invention relates to the technical field of gas drainage, in particular to a hole packer for gas drainage.
Background
The gas drainage refers to directly sucking the gas in an unexplored coal seam or a goaf to the ground for use by using drilling holes or special drainage tunnels, pipelines, vacuum pumps and the like, thereby being harmful. When gas is pumped out, holes are drilled in a coal seam, and in the process of pumping out, the pore canal is required to be sealed, so that the gas can be better pumped out by the pumping out pipe, and the most common hole packer is a two-plug one-injection hole packer in the existing gas pumping out field.
The principle of the two-plug one-injection hole packer is as follows: two bags are arranged on the drainage pipe, the bags at two ends of the hole packer are filled with slurry by the grouting pump, a closed area is formed between the bags, and then slurry is filled in the middle area of the two bags, so that multi-layer hole sealing is realized, and a better sealing effect can be achieved. The coal seam contains a large amount of gaps and clearances, if the length or width of a grouting area is too small, the problem of air leakage still can be generated, in the prior art, two plugs of one grouting hole packer can only perform grouting on the middle area of two bags, the grouting length can be expanded according to requirements, but the grouting width can be limited by the hole diameter of a drilling hole.
Disclosure of Invention
The invention provides a hole packer for gas drainage, which has the beneficial effect of better sealing effect, and solves the problem that the grouting width of the existing two-plug one-injection hole packer in the background art is limited by the aperture of a drilling hole.
The invention provides the following technical scheme: the hole packer for gas drainage comprises a pipeline connector, wherein a first drainage pipe is arranged at one end of the pipeline connector, a second drainage pipe is arranged at the other end of the pipeline connector, a first hole sealing mechanism is arranged in the middle of the pipeline connector and comprises a fixed seat, a plurality of hole wall grouting assemblies are arranged on the outer side of the fixed seat, each hole wall grouting assembly comprises a cylinder body and a puncture rod, the puncture rod is movably arranged in each cylinder body, and compressible assemblies for providing power for the movement of the puncture rod are arranged at two ends of the fixed seat;
the outside of first pull-out pipe is equipped with first slip casting bag, just the one end of first slip casting bag is equipped with first slip casting mouth, the outside of second pull-out pipe is equipped with the second slip casting bag, just the one end of second slip casting bag is equipped with the second slip casting mouth.
As an alternative scheme of the hole packer for gas drainage, the invention comprises the following steps: the cylinder body is of a hollow structure, and one end of the cylinder body penetrates through the fixing seat and is communicated with the cavity.
As an alternative scheme of the hole packer for gas drainage, the invention comprises the following steps: the compressible assembly comprises a sleeve, one end of the sleeve is fixedly connected with the fixed seat, a movable seat and an air bag are arranged in the sleeve, the movable seat is in sliding connection with the pipeline connector, the air bag is located between the movable seat and the fixed seat, and one end of the air bag is communicated with the fixed seat.
As an alternative scheme of the hole packer for gas drainage, the invention comprises the following steps: the inner side of the movable seat is provided with a limiting block, and the limiting block is elastically connected with the movable seat through a first spring.
As an alternative scheme of the hole packer for gas drainage, the invention comprises the following steps: the pipeline connector is in an I shape, and a plurality of limit grooves matched with the limit blocks are formed in the outer side of the pipeline connector.
As an alternative scheme of the hole packer for gas drainage, the invention comprises the following steps: the air bag is characterized in that a transmission mechanism is arranged between the air bag and the movable seat, the transmission mechanism comprises a connecting plate and a lever, the connecting plate is fixedly connected with the sleeve, a supporting lug is arranged on the connecting plate, one end of the lever is rotationally connected with the supporting lug, and an extension column is arranged on the lever.
As an alternative scheme of the hole packer for gas drainage, the invention comprises the following steps: the air bag is cylindrical, a baffle is arranged at one end, close to the movable seat, of the air bag, a bulge is arranged on the baffle, and the bulge is opposite to the extension column.
As an alternative scheme of the hole packer for gas drainage, the invention comprises the following steps: the second drawing and placing pipe is provided with a pushing mechanism, the pushing mechanism comprises a cylinder barrel, one end of the cylinder barrel is communicated with the second grouting bag, the other end of the cylinder barrel is provided with a push rod, the push rod is elastically connected with the cylinder barrel through a second spring, a first piston is arranged in the cylinder barrel, and the first piston is fixedly connected with the push rod.
As an alternative scheme of the hole packer for gas drainage, the invention comprises the following steps: the outside of sleeve is equipped with heliciform arch, just heliciform bellied position with the push rod is relative.
As an alternative scheme of the hole packer for gas drainage, the invention comprises the following steps: the inner side of the puncture rod is provided with a flow channel, one end of the puncture rod, which is close to the cylinder body, is provided with a second piston, and the rod body of the puncture rod is provided with a plurality of openings communicated with the flow channel.
The invention has the following beneficial effects:
1. according to the hole packer for gas drainage, a first drainage pipe and a second drainage pipe are arranged and are communicated through a pipeline connector, a first hole packer is arranged on the outer side of the pipeline connector and comprises a fixed seat, a cylinder body and a puncture rod are arranged on the fixed seat, the puncture rod can move, the two ends of the fixed seat are corresponding to each other, compressible components for providing power for the movement of the puncture rod are further arranged at the two ends of the fixed seat, when hole packer operation is carried out, slurry is firstly injected into a first grouting bag and a second grouting bag, a closed area is formed between the first grouting bag and the second grouting bag along with expansion of the first grouting bag and the second grouting bag, then grouting is carried out to the closed area, along with injection of slurry, the compressible components are compressed, power is further provided for movement of the puncture rod, the puncture rod can puncture the hole wall, a flow channel and an opening are formed in the puncture rod, the opening in one end of the puncture rod can enter the flow channel, and then the grouting hole is filled into the drainage hole through the opening in the other end of the puncture rod, and the permeability of the grouting hole can be effectively reduced by adopting a drainage pressure mode, and the surrounding effect is effectively improved;
this technical scheme is through setting up the pipe connection to first drainage pipe and second drainage pipe, be equipped with first hole sealing mechanism and compressible subassembly on pipe connection, after grouting bag slip casting inflation, when the region at pipe connection place can be sealed, regional slip casting to pipe connection place this moment, along with the entering of thick liquid, thick liquid can cause the extrusion to compressible subassembly, can provide power for the puncture pole activity through compressible subassembly, the puncture pole can pierce in the drainage pore wall, the thick liquid accessible puncture pole of pipe connection department gets into in the gap of drainage pore wall like this, reduce its permeability, the effectual closure effect that has improved.
2. This hole packer for gas drainage is equipped with movable seat and gasbag in the sleeve, and the movable seat is movable, and after the both ends district of pipe connection ware was sealed, with thick liquid injection pipe connection ware department, along with the entering of thick liquid, thick liquid can cause the extrusion to the movable seat, under the promotion of thick liquid, movable seat moves to the gasbag direction, under the extrusion of movable seat, and the gasbag is compressed, and the gas in the gasbag gets into in the fixing base this moment, then gets into the cylinder body through the inside cavity of fixing base and is in, pierces the pole motion under the promotion of air current. In order to improve the puncture effect, the technical scheme is that the limiting block is arranged on the inner side of the movable seat, and the movable seat can only move towards the direction of the air bag due to the existence of the limiting block, so that even if the grouting pressure is reduced, the movable seat can not return to the original position, and the puncture rod can be effectively prevented from being influenced by grouting pressure fluctuation;
the utility model provides a transmission mechanism has been set up between gasbag and movable seat, drive mechanism includes connecting plate and lever, connecting plate and sleeve fixed connection, and be equipped with the supporting lug on the connecting plate, the supporting lug rotates with the one end of lever to be connected, one end at the gasbag is equipped with the baffle, under the normal condition, the lever is contradicted with the movable seat, and the extension post on the lever then is inconsistent with the arch on the baffle, after the movable seat receives the extrusion, the movable seat promotes the lever to gasbag direction, under the promotion of lever, the extension post is exerted force to protruding application, under the promotion of extension post, the baffle can extrude the gasbag, and then promote the motion of puncture pole, this technical scheme is through setting up drive mechanism in the sleeve, can enlarge the extrusion force that the movable seat applyed through drive mechanism, guarantee that it can extrude the gasbag in place, and then guarantee that the puncture pole can normally work.
3. This hole packer for gas drainage, through set up pushing mechanism in second drainage pipe department, pushing mechanism includes the cylinder, be equipped with the push rod in the cylinder, and the one end and the second slip casting bag intercommunication of cylinder, when thick liquid gets into the second slip casting bag, can get into the cylinder through the second slip casting bag, after thick liquid gets into the cylinder, can promote first piston and push rod motion, the heliciform arch in push rod and sleeve outside this moment, under the promotion of push rod, the sleeve rotates, because sleeve and fixing base fixed connection, and the fixing base then rotates with the pipe connection, therefore, under telescopic drive, the fixing base is rotatory, under the drive of fixing base, the penetration pole also can rotate, the penetration pole can scrape out the recess on the drainage pore wall when rotating, thick liquid can pack these recesses afterwards, after the thick liquid solidifies, can play better sealed effect.
When the grouting device is used, slurry is injected into the first grouting bag and the second grouting bag firstly, then the slurry is injected into the closed area, along with the entering of the slurry in the closed area, the compressible component is compressed, the puncture rod penetrates into the wall of the pumping hole, and the push rod is elastically connected with the cylinder barrel through the second spring, so that the resistance of the second spring can be overcome and moved only by improving the grouting pressure in the second grouting bag, the sleeve, the fixing seat and the puncture rod rotate under the pushing of the push rod, and along with the rotation of the puncture rod, the slurry can better enter the wall of the pumping hole, and the sealing effect is further improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the pipe connector and the first hole sealing mechanism according to the present invention.
Fig. 3 is a cross-sectional view of the pipe connector and the movable base of the present invention.
Fig. 4 is a schematic view of the pipe connector according to the present invention.
Fig. 5 is a schematic view of the internal structure of the fixing base of the present invention.
Fig. 6 is a schematic view of the inner structure of the cylinder barrel of the present invention.
FIG. 7 is a schematic view showing the internal structure of the puncture rod according to the present invention.
In the figure: 1. a pipe connector; 101. a limit groove; 2. a first extraction tube; 3. a second extraction tube; 4. a fixing seat; 401. a cylinder; 402. a puncture rod; 403. a flow passage; 404. a second piston; 405. an opening; 5. a first grouting sac; 501. a first grouting port; 6. a second grouting bag; 601. a second grouting port; 7. a sleeve; 701. a movable seat; 702. an air bag; 703. a limiting block; 704. a first spring; 705. a connecting plate; 706. a support ear; 707. an extension column; 708. a lever; 709. spiral bulges; 8. a cylinder; 9. a push rod; 10. a first piston; 11. a baffle; 1101. a protrusion; 12. and a second 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.
Example 1
Referring to fig. 1 to 7, the present invention provides a hole packer for gas drainage, which comprises a pipe connector 1, wherein a first drainage pipe 2 is arranged at one end of the pipe connector 1, a second drainage pipe 3 is arranged at the other end of the pipe connector 1, a first hole packer is arranged in the middle of the pipe connector 1, the first hole packer comprises a fixed seat 4, a plurality of hole wall grouting assemblies are arranged on the outer side of the fixed seat 4, each hole wall grouting assembly comprises a cylinder 401 and a puncture rod 402, the puncture rod 402 is movably arranged in the cylinder 401, and compressible assemblies for providing power for the movement of the puncture rod 402 are arranged at two ends of the fixed seat 4;
the outside of first pull out put pipe 2 is equipped with first slip casting bag 5, and the one end of first slip casting bag 5 is equipped with first slip casting mouth 501, and the outside of second pull out put pipe 3 is equipped with second slip casting bag 6, and the one end of second slip casting bag 6 is equipped with second slip casting mouth 601.
The inside of the puncture rod 402 is provided with a flow channel 403, and one end of the puncture rod 402, which is close to the cylinder 401, is provided with a second piston 404, and the rod body of the puncture rod 402 is provided with a plurality of openings 405 communicated with the flow channel 403.
Through setting up first drainage pipe 2 and second drainage pipe 3, first drainage pipe 2 and second drainage pipe 3 communicate through pipe connector 1, pipe connector 1 is "worker" word form, all be equipped with the slip casting bag in the outside of first drainage pipe 2 and second drainage pipe 3, be equipped with first hole sealing mechanism in the outside of pipe connector 1, first hole sealing mechanism includes fixing base 4, be equipped with cylinder body 401 and piercing rod 402 on fixing base 4, piercing rod 402 is movable, corresponding, still be equipped with the compressible subassembly that provides power for piercing rod 402 activity at the both ends of fixing base 4, in carrying out hole sealing operation, at first with the expansion of first slip casting bag 5 and second slip casting bag 6, can form a confined area between first slip casting bag 5 and second slip casting bag 6, be located this region in pipe connector 1, after first slip casting bag 5 and second slip casting bag 6 are annotated and are accomplished, need inject into to the place after the piercing rod 402, the piercing rod 402 is movable, can be equipped with the compressible subassembly that provides the piercing rod 402 along with the piercing rod 402 activity, then the hole sealing effect is provided with the opening in the piercing rod 402, can be provided with the opening in the piercing rod 402 through the hole sealing hole wall, the opening is closed, can be provided with the opening in the piercing rod 405, and the other end is opened, and the hole sealing hole is opened, the opening is opened, can be pressed through the opening 405, and the hole sealing hole is opened, and the hole sealing hole is opened.
This technical scheme is through setting up pipe connector 1 and coming to connect first drainage pipe 2 and second drainage pipe 3, be equipped with first hole sealing mechanism and compressible subassembly on pipe connector 1, when grouting bag slip casting inflation back, the regional slip casting of pipe connector 1 place when can be sealed, this moment to the regional slip casting of pipe connector 1 place, along with the entering of thick liquid, thick liquid can cause the extrusion to compressible subassembly, can provide power for the action of piercing rod 402 through compressible subassembly, piercing rod 402 can pierce in the drainage pore wall, the thick liquid accessible piercing rod 402 of pipe connector 1 department gets into in the gap of drainage pore wall like this, reduce its permeability, the effectual closure effect that has improved.
Example 2
The present embodiment is explained based on embodiment 1, specifically, referring to fig. 1 to 7, a cavity is formed in the fixing base 4, the cylinder 401 is of a hollow structure, and one end of the cylinder 401 passes through the fixing base 4 and is communicated with the cavity.
The compressible assembly comprises a sleeve 7, one end of the sleeve 7 is fixedly connected with the fixed seat 4, a movable seat 701 and an air bag 702 are arranged in the sleeve 7, the movable seat 701 is in sliding connection with the pipeline connector 1, the air bag 702 is positioned between the movable seat 701 and the fixed seat 4, and one end of the air bag 702 is communicated with the fixed seat 4.
The inner side of the movable seat 701 is provided with a limiting block 703, and the limiting block 703 is elastically connected with the movable seat 701 through a first spring 704. The pipe connector 1 is in an I shape, and a plurality of limit grooves 101 matched with the limit blocks 703 are arranged on the outer side of the pipe connector 1.
The compressible assembly comprises a sleeve 7, a movable seat 701 and an air sac 702 are arranged in the sleeve 7, the movable seat 701 is movable, when two end areas of the pipeline connector 1 are closed, grout is injected into the pipeline connector 1, the grout can squeeze the movable seat 701 along with the entrance of the grout, the movable seat 701 moves towards the air sac 702 under the pushing of the grout, the air sac 702 is compressed under the squeezing of the movable seat 701, and then the air in the air sac 702 enters the fixed seat 4, and then enters the cylinder 401 through a cavity in the fixed seat 4, and the puncture rod 402 moves under the pushing of the air flow.
Because the motion of movable seat 701 is mainly driven by means of grouting pressure, when grouting pressure fluctuates, movable seat 701 is likely to move in the opposite direction under the reverse thrust of air bag 702, if movable seat 701 moves repeatedly in sleeve 7, movable seat 701 is likely to clamp the main part under the influence of slurry, at this time compressible assembly cannot work normally, puncture rod 402 cannot normally puncture the wall of the drawing hole, stability of movable seat 701 has great influence on the normal work of compressible assembly, in order to ensure puncture effect, limit block 703 is arranged on the inner side of movable seat 701, when movable seat 701 moves in the direction of air bag 702, limit block 703 moves upwards, at this time, the existence of limit block 703 cannot influence the motion of movable seat 701, when movable seat 701 moves in the opposite direction, limit block 703 is clamped with limit groove 101, at this time, limit block 703 plays a limit role on movable seat 701, the existence of limit block 703 only can move in the direction of air bag 702, even if grouting pressure drops, normal work of puncture rod 402 cannot be ensured in situ.
Example 3
The present embodiment is explained based on embodiment 1, specifically, referring to fig. 1 to 7, a transmission mechanism is disposed between the air bag 702 and the movable seat 701, and the transmission mechanism includes a connection plate 705 and a lever 708, the connection plate 705 is fixedly connected with the sleeve 7, a supporting lug 706 is disposed on the connection plate 705, one end of the lever 708 is rotatably connected with the supporting lug 706, and an extension column 707 is disposed on the lever 708.
The air bag 702 is cylindrical, a baffle 11 is arranged at one end of the air bag 702 close to the movable seat 701, a bulge 1101 is arranged on the baffle 11, and the position of the bulge 1101 is opposite to the extension column 707.
The coal seam is sparse and dense, when encountering more inseparable coal seam, the unable easy coal seam of penetrating of penetration rod, in order to improve the extrusion effect of movable seat 701 to gasbag 702, this technical scheme has set up drive mechanism between gasbag 702 and movable seat 701, drive mechanism includes connecting plate 705 and lever 708, connecting plate 705 and sleeve 7 fixed connection, and be equipped with supporting lug 706 on the connecting plate 705, supporting lug 706 is rotated with the one end of lever 708 and is connected, be equipped with baffle 11 in the one end of gasbag 702, under the normal condition, lever 708 is contradicted with movable seat 701, and the extension post 707 on lever 708 then contradicts with the protruding 1101 on baffle 11, after movable seat 701 receives the extrusion, movable seat 701 promotes lever 708 to the gasbag 702 direction, under the promotion of lever 708, extension post 707 is exerted a force to protruding 1101, under the promotion of extension post 707, baffle 11 can extrude gasbag 702, and then promote penetration rod 402 motion, this technical scheme is through setting up drive mechanism in sleeve 7, can enlarge the extrusion force that the movable seat applyed through drive mechanism, guarantee that it can extrude 702 in place, and then guarantee that the penetration rod can work.
Example 4
The present embodiment is explained based on embodiment 1, specifically, referring to fig. 1 to 7, a pushing mechanism is disposed on the second drawing tube 3, and the pushing mechanism includes a cylinder 8, one end of the cylinder 8 is communicated with the second grouting bag 6, the other end of the cylinder 8 is provided with a push rod 9, the push rod 9 is elastically connected with the cylinder 8 through a second spring 12, a first piston 10 is disposed inside the cylinder 8, and the first piston 10 is fixedly connected with the push rod 9.
The outside of the sleeve 7 is provided with a helical protrusion 709, and the helical protrusion 709 is located opposite the push rod 9.
In order to improve the grouting effect of the puncture rod 402, this technical scheme has set up pushing mechanism on the second drainage pipe 3, pushing mechanism includes cylinder 8, be equipped with push rod 9 in cylinder 8, and the one end and the second slip casting bag 6 intercommunication of cylinder 8, when thick liquid gets into second slip casting bag 6, can get into cylinder 8 through second slip casting bag 6, after thick liquid gets into cylinder 8, can promote first piston 10 and push rod 9 motion, push rod 9 and the heliciform arch 709 in the sleeve 7 outside this moment, under pushing of push rod 9, sleeve 7 rotates, because sleeve 7 and fixing base 4 fixed connection, and fixing base 4 then rotates with pipeline connector 1, consequently, fixing base 4 rotates under the drive of fixing base 4, puncture rod 402 also can rotate under the drive of fixing base 4, puncture rod 402 can scrape out the recess on the drainage pore wall when rotating, later thick liquid can pack these recesses, after the thick liquid solidifies, can play better sealed effect, this technical scheme is through setting up pipeline connector 1 that has puncture rod 402, and the pipeline connector 1 that matches the use with it, can carry out the puncture rod 402 through the sealing mechanism in the sealed hole wall that the second hole-sealing mechanism that has the puncture rod 402, can carry out in the hole sealing mechanism, the hole sealing mechanism has the puncture rod 402 has been carried out, the hole sealing mechanism that the puncture rod 402 has improved in the hole sealing mechanism.
The concrete theory of operation is that injecting into thick liquid in first slip casting bag 5 and second slip casting bag 6 earlier, then inject thick liquid in the confined area, along with the entering of confined area thick liquid, compressible subassembly is compressed, puncture pole 402 pierces into the drawing and discharging pore wall, because push rod 9 is through second spring 12 and cylinder 8 elastic connection, only need improve the slip casting pressure in the second slip casting bag 6 this moment, push rod 9 just can overcome the resistance of second spring 12 and move, under push rod 9's promotion, sleeve 7, fixing base 4, puncture pole 402 rotate, along with puncture pole 402's rotation, thick liquid can be better get into in the drawing and discharging pore wall, after the thick liquid solidifies, can further improve the sealed effect.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (6)
1. The utility model provides a hole packer for gas drainage, includes pipe connector (1), the one end of pipe connector (1) is equipped with first drainage pipe (2), just the other end of pipe connector (1) is equipped with second drainage pipe (3), its characterized in that: the middle part of the pipeline connector (1) is provided with a first hole sealing mechanism, the first hole sealing mechanism comprises a fixed seat (4), a plurality of hole wall grouting assemblies are arranged on the outer side of the fixed seat (4), each hole wall grouting assembly comprises a cylinder body (401) and a puncture rod (402), the puncture rods (402) are movably arranged in the cylinder bodies (401), and compressible assemblies for providing power for the movement of the puncture rods (402) are arranged at two ends of the fixed seat (4);
a first grouting bag (5) is arranged on the outer side of the first drawing and discharging pipe (2), a first grouting opening (501) is formed in one end of the first grouting bag (5), a second grouting bag (6) is arranged on the outer side of the second drawing and discharging pipe (3), and a second grouting opening (601) is formed in one end of the second grouting bag (6);
the compressible assembly comprises a sleeve (7), one end of the sleeve (7) is fixedly connected with the fixed seat (4), a movable seat (701) and an air bag (702) are arranged in the sleeve (7), the movable seat (701) is in sliding connection with the pipeline connector (1), the air bag (702) is positioned between the movable seat (701) and the fixed seat (4), and one end of the air bag (702) is communicated with the fixed seat (4);
a transmission mechanism is arranged between the air bag (702) and the movable seat (701), the transmission mechanism comprises a connecting plate (705) and a lever (708), the connecting plate (705) is fixedly connected with the sleeve (7), a supporting lug (706) is arranged on the connecting plate (705), one end of the lever (708) is rotationally connected with the supporting lug (706), an extension column (707) is arranged on the lever (708), and the other end of the lever (708) is in contact with the movable seat (701);
a runner (403) is arranged on the inner side of the puncture rod (402), a second piston (404) is arranged at one end, close to the cylinder body (401), of the puncture rod (402), and a plurality of openings (405) communicated with the runner (403) are formed in the rod body of the puncture rod (402);
the air bag (702) is cylindrical, a baffle plate (11) is arranged at one end, close to the movable seat (701), of the air bag (702), a bulge (1101) is arranged on the baffle plate (11), and the position of the bulge (1101) is opposite to the position of the extension column (707).
2. The hole packer for gas drainage according to claim 1, wherein: the fixing seat (4) is internally provided with a cavity, the cylinder body (401) is of a hollow structure, and one end of the cylinder body (401) penetrates through the fixing seat (4) and is communicated with the cavity.
3. The hole packer for gas drainage according to claim 1, wherein: the inner side of the movable seat (701) is provided with a limiting block (703), and the limiting block (703) is elastically connected with the movable seat (701) through a first spring (704).
4. The hole packer for gas drainage according to claim 3, wherein: the pipeline connector (1) is in an I shape, and a plurality of limit grooves (101) which are matched with the limit blocks (703) are formed in the outer side of the pipeline connector (1).
5. The hole packer for gas drainage according to claim 1, wherein: the second drawing and placing pipe (3) is provided with a pushing mechanism, the pushing mechanism comprises a cylinder barrel (8), one end of the cylinder barrel (8) is communicated with the second grouting bag (6), the other end of the cylinder barrel (8) is provided with a push rod (9), the push rod (9) is elastically connected with the cylinder barrel (8) through a second spring (12), a first piston (10) is arranged in the cylinder barrel (8), and the first piston (10) is fixedly connected with the push rod (9).
6. The hole packer for gas drainage according to claim 5, wherein: a spiral bulge (709) is arranged on the outer side of the sleeve (7), and the spiral bulge (709) is opposite to the push rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310651353.7A CN116677345B (en) | 2023-06-02 | 2023-06-02 | Hole packer for gas drainage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310651353.7A CN116677345B (en) | 2023-06-02 | 2023-06-02 | Hole packer for gas drainage |
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| CN116677345A CN116677345A (en) | 2023-09-01 |
| CN116677345B true CN116677345B (en) | 2023-11-24 |
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| DE19835468C1 (en) * | 1998-08-06 | 1999-10-28 | Desoi Gmbh | Well packer with intentional point of separation |
| CN101050696A (en) * | 2007-05-10 | 2007-10-10 | 河南理工大学 | Bag type paste injection hole sealing device and its hole sealing method |
| CN101482026A (en) * | 2009-02-10 | 2009-07-15 | 河南理工大学 | Gas extraction secondary high-pressure slip-casting hole-sealing apparatus and its hole-sealing method |
| CN103195388A (en) * | 2013-03-28 | 2013-07-10 | 郑州煤炭工业(集团)有限责任公司 | Two-plugging hole packer and plugging grouting method |
| WO2014028973A1 (en) * | 2012-08-22 | 2014-02-27 | Red Tractor Pty Ltd | A packing plug |
| CN206513338U (en) * | 2016-11-23 | 2017-09-22 | 山西景安机电制造有限公司 | A kind of slip casting type hole packer of new blocked gas drainage hole |
| CN219012565U (en) * | 2023-03-10 | 2023-05-12 | 山西实瑞达管业有限公司 | Self-test type mining hole packer |
-
2023
- 2023-06-02 CN CN202310651353.7A patent/CN116677345B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19835468C1 (en) * | 1998-08-06 | 1999-10-28 | Desoi Gmbh | Well packer with intentional point of separation |
| CN101050696A (en) * | 2007-05-10 | 2007-10-10 | 河南理工大学 | Bag type paste injection hole sealing device and its hole sealing method |
| CN101482026A (en) * | 2009-02-10 | 2009-07-15 | 河南理工大学 | Gas extraction secondary high-pressure slip-casting hole-sealing apparatus and its hole-sealing method |
| WO2014028973A1 (en) * | 2012-08-22 | 2014-02-27 | Red Tractor Pty Ltd | A packing plug |
| CN103195388A (en) * | 2013-03-28 | 2013-07-10 | 郑州煤炭工业(集团)有限责任公司 | Two-plugging hole packer and plugging grouting method |
| CN206513338U (en) * | 2016-11-23 | 2017-09-22 | 山西景安机电制造有限公司 | A kind of slip casting type hole packer of new blocked gas drainage hole |
| CN219012565U (en) * | 2023-03-10 | 2023-05-12 | 山西实瑞达管业有限公司 | Self-test type mining hole packer |
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| Publication number | Publication date |
|---|---|
| CN116677345A (en) | 2023-09-01 |
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