CN220748332U - Drilling plugging mechanism for gas extraction - Google Patents
Drilling plugging mechanism for gas extraction Download PDFInfo
- Publication number
- CN220748332U CN220748332U CN202322485177.2U CN202322485177U CN220748332U CN 220748332 U CN220748332 U CN 220748332U CN 202322485177 U CN202322485177 U CN 202322485177U CN 220748332 U CN220748332 U CN 220748332U
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- CN
- China
- Prior art keywords
- exhaust pipe
- wall
- channel body
- movable block
- gas extraction
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- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 238000000605 extraction Methods 0.000 title claims abstract description 16
- 238000005553 drilling Methods 0.000 title claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 17
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 238000000034 method Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model relates to a drilling plugging mechanism for gas extraction, which comprises an exhaust pipe, a channel body and a contact surface, wherein a mounting assembly is arranged on the outer wall of one side of the exhaust pipe, which is positioned outside the channel body, a reinforcing assembly is arranged on the outer wall of one side of the exhaust pipe, which is positioned inside the channel body, the reinforcing assembly comprises a rotary drum which is arranged on the outer wall of the exhaust pipe in a threaded manner, a movable block which is in sliding connection with the exhaust pipe is rotatably arranged at the bottom of the rotary drum, a plurality of connecting rods are rotatably arranged at the bottom of the movable block, a plurality of movable rods are rotatably arranged at the other ends of the connecting rods, a connecting sleeve is fixedly arranged on the outer wall of the exhaust pipe and positioned below the movable block, one side of the movable rod, which is close to the exhaust pipe, is rotatably connected with the outer wall of the connecting sleeve, and a plurality of thorn blocks are fixedly arranged at one end of the movable rod, which is far away from the connecting sleeve. The drilling plugging mechanism for gas extraction has larger fixing force, so that the extraction tube is not easy to loosen.
Description
Technical Field
The utility model relates to the technical field of drilling plugging, in particular to a drilling plugging mechanism for gas extraction.
Background
Before the coal mine is mined, gas needs to be pumped out, when the gas is pumped out, holes are drilled from the ground to the coal seam, then an exhaust pipe is placed to the coal seam, and then the exhaust pipe and the hole wall are plugged to prevent the gas leakage.
However, the inventor believes that, because the exhaust pipe is fixed by using the friction force between the bag and the hole wall, when the drilling hole is deeper, the exhaust pipe to be lowered is longer, so the whole exhaust pipe is heavier, the friction force of the bag may not be enough, in addition, the gas released from the coal seam may generate pressure, the pressure may blow the bag, finally the exhaust pipe floats upwards, the fixing firmness is not reliable, and in view of this, we propose a drilling hole plugging mechanism for gas extraction to solve the above problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a drilling plugging mechanism for gas extraction, which has the advantages of good stability and the like, and solves the problems that the whole exhaust pipe is heavier because the exhaust pipe is fixed by utilizing the friction force between a bag and a hole wall, when the drilling is deeper, the exhaust pipe which needs to be placed down is longer, the friction force of the bag is possibly insufficient, in addition, the gas released from a coal seam can generate pressure, the pressure can blow the bag, the exhaust pipe finally floats upwards, and the fixation firmness is unreliable.
In order to achieve the purpose of good stability, the utility model provides the following technical scheme: the utility model provides a drilling shutoff mechanism of gas drainage, includes exhaust tube, passageway body and contact surface, the exhaust tube is located the outside one side outer wall of passageway body and is provided with the installation component, the exhaust tube is located the inside one side outer wall of passageway body and is provided with the reinforcement component, the rotary drum at the exhaust tube outer wall is installed including the screw thread to the reinforcement component, the bottom of rotary drum rotate install with exhaust tube sliding connection's movable block, the bottom of movable block rotates and installs a plurality of connecting rod, the other end of connecting rod rotates and installs a plurality of movable rod, the outer wall of exhaust tube just is located the below fixed mounting adapter sleeve of movable block, one side that the movable rod is close to the exhaust tube rotates with the outer wall of adapter sleeve to be connected, the one end fixed mounting that the adapter sleeve was kept away from to the movable rod has a plurality of thorn piece.
Further, the movable block is arranged in a ring shape, and the exhaust pipe extends to the inside of the channel body.
Further, the top fixed mounting of movable block has the bearing, the rotary drum is fixed mutually with the inner wall of bearing, the movable block passes through the bearing rotation and installs in the bottom of rotary drum.
Further, the installation component includes that fixed mounting is in the outside of exhaust tube and be located a plurality of support of passageway body outside, the other end fixed mounting of support has the installation piece, the bottom of installation piece contacts with the top of contact surface, the top of installation piece is pegged graft has the inserted bar that extends to the inside of contact surface, the top of inserted bar is the toper setting, the top fixed mounting and the knocking piece of inserted bar.
Further, a spacer is fixedly arranged at the bottom side of the movable rod, and the spacer is arranged in a circular bucket shape.
Further, the channel body is located inside the contact surface, and a grouting pipe extending into the channel body is inserted into the top of the channel body.
Compared with the prior art, the utility model provides a drilling plugging mechanism for gas extraction, which has the following beneficial effects:
this drilling shutoff mechanism of gas drainage through the reinforcement subassembly that sets up, after the exhaust tube installation is accomplished, rotates the rotary drum and makes movable block downwardly moving, can make the movable rod deflect to the direction of keeping away from exhaust tube one side through the connecting rod, and the thorn piece can insert the soil layer inside this moment to make the exhaust tube steadiness better after the installation is accomplished, possess bigger holding power, thereby can make the exhaust tube difficult not hard up.
Drawings
FIG. 1 is a front cross-sectional view of the present utility model;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1;
FIG. 3 is a schematic view of the utility mounting block, the striking block and the plunger.
In the figure: 1. an exhaust pipe; 2. a rotating drum; 3. a movable block; 4. a connecting rod; 5. a movable rod; 6. puncturing blocks; 7. a spacer; 8. connecting sleeves; 9. a bearing; 10. a bracket; 11. grouting pipe; 12. a mounting block; 13. knocking the block; 14. a rod; 15. a channel body; 16. a contact surface.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, a drilling plugging mechanism for gas extraction includes an extraction tube 1, a channel body 15 and a contact surface 16.
The outer wall of one side of the exhaust tube 1 outside the channel body 15 is provided with a mounting assembly for mounting the exhaust tube 1.
The outer wall of one side of the exhaust tube 1, which is positioned inside the channel body 15, is provided with a reinforcing component for reinforcing the exhaust tube 1.
The reinforcing component comprises a rotary drum 2 which is arranged on the outer wall of an exhaust pipe 1 in a threaded manner, a movable block 3 which is connected with the exhaust pipe 1 in a sliding manner is rotatably arranged at the bottom of the rotary drum 2, a plurality of connecting rods 4 are rotatably arranged at the bottom of the movable block 3, a plurality of movable rods 5 are rotatably arranged at the other ends of the connecting rods 4, a connecting sleeve 8 is fixedly arranged on the outer wall of the exhaust pipe 1 and below the movable block 3, one side, close to the exhaust pipe 1, of the movable rod 5 is rotatably connected with the outer wall of the connecting sleeve 8, and a plurality of thorn blocks 6 are fixedly arranged at one end, far away from the connecting sleeve 8, of the movable rod 5.
Rotating rotary drum 2 makes movable block 3 downwardly moving, can make movable rod 5 to the direction deflection of keeping away from exhaust tube 1 one side through connecting rod 4, and thorn piece 6 can insert the soil layer inside this moment to make exhaust tube 1 steadiness after the installation is accomplished better, possess bigger stationary force, thereby can make exhaust tube 1 difficult not hard up.
In this embodiment, the movable block 3 is disposed in a ring shape, and the exhaust pipe 1 extends into the channel body 15.
In this embodiment, the top of the movable block 3 is fixedly provided with a bearing 9, the rotary drum 2 is fixed with the inner wall of the bearing 9, and the movable block 3 is rotatably installed at the bottom of the rotary drum 2 through the bearing 9.
Referring to fig. 3, in this embodiment, the installation assembly includes a plurality of brackets 10 fixedly installed on the outside of the exhaust pipe 1 and located outside the channel body 15, an installation block 12 is fixedly installed at the other end of the brackets 10, the bottom of the installation block 12 contacts with the top of the contact surface 16, an inserting rod 14 extending into the contact surface 16 is inserted into the top of the installation block 12, the top of the inserting rod 14 is in a conical shape, and the top of the inserting rod 14 is fixedly installed with the knocking block 13.
The exhaust tube 1 is inserted into the channel body 15, and then the knocking block 13 is knocked by an external tool, so that the inserting rod 14 is inserted into the contact surface 16, the limit of the exhaust tube 1 is completed, and meanwhile, the stability of the exhaust tube 1 can be further improved.
In this embodiment, a spacer 7 is fixedly mounted on the bottom side of the movable rod 5, and the spacer 7 is arranged in a circular bucket shape.
In this embodiment, the channel body 15 is located inside the contact surface 16, and the grouting pipe 11 extending into the channel body 15 is inserted into the top of the channel body 15.
Grouting is carried out into the channel body 15 through the grouting pipe 11, slurry can stay above the spacer 7, sealing of the outer wall of the exhaust pipe 1 is further completed, and plugging of the channel body 15 is further completed.
When the suction pipe 1 is used, the suction pipe 1 is inserted into the channel body 15, the knocking block 13 is knocked by an external tool to enable the inserting rod 14 to be inserted into the contact surface 16, limiting of the suction pipe 1 is completed, the rotating drum 2 is rotated to enable the movable block 3 to move downwards, the movable rod 5 can deflect towards the direction away from one side of the suction pipe 1 through the connecting rod 4, the thorn block 6 can be inserted into a soil layer, so that the suction pipe 1 is better in stability after installation, larger fixing force is achieved, the suction pipe 1 is not easy to loosen, grouting is conducted into the channel body 15 through the grouting pipe 11, slurry can stay above the spacer 7, sealing of the outer wall of the suction pipe 1 is completed, and plugging of the channel body 15 is completed.
The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.
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. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a drilling shutoff mechanism of gas drainage, includes exhaust tube (1), passageway body (15) and contact surface (16), its characterized in that: the outer wall of one side of the exhaust pipe (1) positioned outside the channel body (15) is provided with a mounting assembly, and the outer wall of one side of the exhaust pipe (1) positioned inside the channel body (15) is provided with a reinforcing assembly;
the reinforcing component comprises a rotary drum (2) which is arranged on the outer wall of the exhaust pipe (1) in a threaded manner, a movable block (3) which is connected with the exhaust pipe (1) in a sliding manner is rotatably arranged at the bottom of the rotary drum (2), a plurality of connecting rods (4) are rotatably arranged at the bottom of the movable block (3), a plurality of movable rods (5) are rotatably arranged at the other ends of the connecting rods (4), connecting sleeves (8) are fixedly arranged on the outer wall of the exhaust pipe (1) and below the movable block (3), one side, close to the exhaust pipe (1), of the movable rod (5) is rotatably connected with the outer wall of the connecting sleeve (8), and a plurality of thorn blocks (6) are fixedly arranged at one end, far away from the connecting sleeve (8), of the movable rod (5).
2. The gas extraction borehole plugging mechanism according to claim 1, wherein: the movable block (3) is arranged in a ring shape, and the exhaust pipe (1) extends to the inside of the channel body (15).
3. The gas extraction borehole plugging mechanism according to claim 1, wherein: the top fixed mounting of movable block (3) has bearing (9), rotary drum (2) are fixed with the inner wall of bearing (9), movable block (3) are installed in the bottom of rotary drum (2) through bearing (9) rotation.
4. The gas extraction borehole plugging mechanism according to claim 1, wherein: the installation component includes that fixed mounting is in the outside of exhaust tube (1) and is located a plurality of support (10) of passageway body (15) outside, the other end fixed mounting of support (10) has installation piece (12), the bottom of installation piece (12) is contacted with the top of contact surface (16), peg graft at the top of installation piece (12) has inserted bar (14) that extend to inside contact surface (16), the top of inserted bar (14) is the toper setting, the top fixed mounting of inserted bar (14) is with strike piece (13).
5. The gas extraction borehole plugging mechanism according to claim 1, wherein: the bottom side of the movable rod (5) is fixedly provided with a spacer (7), and the spacer (7) is arranged in a circular bucket shape.
6. The gas extraction borehole plugging mechanism according to claim 1, wherein: the channel body (15) is positioned in the contact surface (16), and a grouting pipe (11) extending into the channel body (15) is inserted into the top of the channel body (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322485177.2U CN220748332U (en) | 2023-09-13 | 2023-09-13 | Drilling plugging mechanism for gas extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322485177.2U CN220748332U (en) | 2023-09-13 | 2023-09-13 | Drilling plugging mechanism for gas extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220748332U true CN220748332U (en) | 2024-04-09 |
Family
ID=90564600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322485177.2U Active CN220748332U (en) | 2023-09-13 | 2023-09-13 | Drilling plugging mechanism for gas extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220748332U (en) |
-
2023
- 2023-09-13 CN CN202322485177.2U patent/CN220748332U/en active Active
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