CN210195805U - Gas drainage drilling hole sealing device - Google Patents
Gas drainage drilling hole sealing device Download PDFInfo
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- CN210195805U CN210195805U CN201921244440.6U CN201921244440U CN210195805U CN 210195805 U CN210195805 U CN 210195805U CN 201921244440 U CN201921244440 U CN 201921244440U CN 210195805 U CN210195805 U CN 210195805U
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Abstract
The utility model relates to a gas extraction drilling hole sealing device, which comprises an extraction pipe, wherein the extraction pipe is provided with a fixed section and a confluence section and an extraction section which are respectively arranged at the two ends of the fixed section; an air bag is arranged on the outer side of one end, close to the confluence section, of the fixed section, an elastic plugging part is arranged on the outer side of one end, close to the extraction section, of the fixed section, an air chamber is arranged on the extraction pipe between the elastic plugging part and the extraction section, the air chamber is communicated with the air bag through an air pipe, and a one-way air inlet valve and a manual air outlet valve are arranged on the air chamber; the utility model discloses novel structure, through gasbag and elastic sealing part's two-layer sealed, can promote and take out the leakproofness between taking out and taking out pipe and the drilling, only need during the installation to the inside gas charging of gasbag can fix this device in the drilling, only need open manual discharge valve when demolising, can take out this device from drilling with the inside gas outgoing of gasbag, easy dismounting is swift, is showing promotion work efficiency.
Description
Technical Field
The utility model belongs to the technical field of mine equipment, concretely relates to gas drainage drilling hole sealing device.
Background
The exploitation of high gas coal seams is often accompanied with the emission of a large amount of gas, particularly, the emission amount of the gas is increased along with the high-efficiency intensification of coal production and the increase of exploitation depth, and the gas disaster becomes the most important factor for restricting the development of high-efficiency intensified exploitation technology and safe production. The exploitation of high gas coal seams is often accompanied with the emission of a large amount of gas, particularly, the emission amount of the gas is increased along with the high-efficiency intensification of coal production and the increase of exploitation depth, and the gas disaster becomes the most important factor for restricting the development of high-efficiency intensified exploitation technology and safe production. The main measure for solving the gas problem in the process of exploiting the high-gas low-permeability outburst coal seam is gas extraction. Through gas extraction, gas emission in the coal seam mining process can be effectively reduced, and the safety of coal mine production is ensured; meanwhile, the extracted high-concentration gas can be utilized, and the co-extraction of coal and gas is realized.
When the existing gas hole sealing device is used, the existing gas hole sealing device needs to be installed by means of external equipment such as a grouting pump, is difficult to remove after installation, and consumes a large amount of manpower, so that the existing gas hole sealing device is convenient and quick to assemble and disassemble, and saves the manpower.
Disclosure of Invention
To exist among the prior art not enough, the utility model provides a novel structure, easy dismounting is swift, saves artifically, is showing the gas drainage drilling hole sealing device who promotes work efficiency gas drainage drilling hole sealing device.
The technical scheme of the utility model is that: the gas extraction drilling and hole sealing device comprises an extraction pipe, wherein the extraction pipe is provided with a fixed section, and a confluence section and an extraction section which are respectively arranged at two ends of the fixed section; the gas extraction device is characterized in that an air bag is arranged on the outer side, close to one end of the confluence section, of the fixed section, an elastic plugging part is arranged on the outer side, close to one end of the extraction section, of the fixed section, a gas bin is arranged on the extraction pipe between the elastic plugging part and the extraction section, the gas bin is communicated with the air bag through a gas pipe, and a one-way gas inlet valve and a manual exhaust valve are arranged on the gas bin.
The gas bin is of a cylindrical cavity structure fixedly arranged on the outer side of the extraction section, a bronchus is arranged inside the extraction pipe and communicated with the air bag, the gas pipe is arranged inside the extraction pipe, one end of the gas pipe is communicated with the bronchus, and the other end of the gas pipe is communicated with the gas bin.
The one-way air inlet valve is arranged at the top end of the air bin, and the manual exhaust valve is arranged on the side face of the air bin.
The gas branch pipe is vertically arranged along the radial direction of the extraction pipe, two ends of the gas branch pipe are respectively communicated with the upper inner wall and the lower inner wall of the air bag, and the middle of the gas branch pipe is communicated with the end part of the gas pipe.
The air bag is a circular air bag, the air bag is sleeved on the outer side of the extraction pipe, and the extraction pipe at the two ends of the air bag is provided with an inner snap ring and an outer snap ring respectively.
The inner snap ring and the outer snap ring are both of annular structures, and the inner snap ring and the outer snap ring are both connected with the extraction pipe into an integral structure.
The elastic plugging component is of a round table body structure, a channel matched with the outer diameter of the extraction pipe is axially formed in the elastic plugging component, and the elastic plugging component is fixedly sleeved outside the extraction pipe.
And an extraction valve is arranged on the extraction section.
And a pagoda joint is arranged outside the free end of the extraction section.
The free end of the confluence section is sealed, the side wall of the confluence section is evenly provided with confluence holes, and the confluence holes are circular through holes.
The utility model has the advantages that: the utility model discloses novel structure, through gasbag and elastic sealing part's two-layer sealed, can promote to take out and take out the leakproofness between pipe and the drilling, only need during the installation to the inside gas charging of gasbag can fix this device in the drilling, only need open manual discharge valve when demolising, can take out this device from drilling with the inside gas outgoing of gasbag, easy dismounting is swift, saves the manual work, is showing promotion work efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the connection structure of the bronchus and the air bag of the present invention.
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings and examples.
The gas extraction drilling and hole sealing device shown in fig. 1 comprises an extraction pipe 1, wherein the extraction pipe 1 is provided with a fixed section 103 for mounting and drilling a fixing part, confluence sections 101 respectively arranged at two ends of the fixed section 103 and used for refluxing gas, and an extraction section 102 used for connecting the extraction device; an air bag 4 is arranged on the outer side of one end, close to the confluence section 101, of the fixed section 103, an elastic plugging part 7 is arranged on the outer side of one end, close to the extraction section 102, of the fixed section 103, an air chamber 12 is arranged on the extraction pipe 1 between the elastic plugging part 7 and the extraction section 102, the air chamber 12 is communicated with the air bag 4 through an air pipe 8, and a one-way air inlet valve 9 and a manual air outlet valve 10 are arranged on the air chamber 12; when the device is used, the device is required to be inserted into a drilled hole, an external opening of the drilled hole is sealed through the elastic plugging part 7, then the air bag 4 is inflated through the one-way air inlet valve 9, the air bag 4 is inflated and then expanded, the outer side of the air bag is abutted to the inner wall of the drilled hole to further seal the drilled hole, and meanwhile, the friction force between the expanded air bag 4 and the inner wall of the drilled hole is increased, so that the device can be fixed in the drilled hole; after extraction is finished, the manual exhaust valve 10 is manually opened, gas in the air bag 4 is exhausted, and the air bag 4 contracts to take out the device from the interior of the drill hole; the device is novel in structure, convenient and fast to install and detach, labor-saving, and capable of remarkably improving the working efficiency.
Further, the gas bin 12 is of a cylindrical cavity structure fixedly arranged on the outer side of the extraction section 102 of the extraction pipe 1, the gas bin 12 and the extraction pipe 1 are of an integral structure, a branch gas pipe 13 communicated with the gas bag 4 is arranged inside the extraction pipe 1, the gas pipe 8 is arranged inside the extraction pipe 1, one end of the gas pipe 8 is communicated with the branch gas pipe 13, and the other end of the gas pipe 8 is communicated with the gas bin 12. The air chamber 12 is used for providing installation space for the one-way air inlet valve 9 and the manual exhaust valve 10, the one-way air inlet valve 10 is installed at the top end of the air chamber 12 in a threaded mode, and the manual exhaust valve 10 is installed on the side face of the air chamber 12 in a threaded mode. As shown in fig. 2, the branch gas pipe 13 is vertically arranged along the radial direction of the extraction pipe 1, two ends of the branch gas pipe 13 are respectively communicated with the upper inner wall and the lower inner wall of the gas bag 4, the middle part of the branch gas pipe 13 is communicated with the end part of the gas pipe 8, specifically, two gas inlets are symmetrically arranged along the radial direction on the inner side of the gas bag 4, the two gas inlets penetrate through the extraction pipe 1 and are sealed with the extraction pipe 1, two ends of the branch gas pipe 13 are respectively communicated with the two gas inlets, the upper side and the lower side of the gas bag 4 simultaneously supply gas, and the gas bag 4 is uniformly stressed in the process of supplying gas into the gas.
Further, the air bag 4 is a circular air bag, the air bag 4 is sleeved on the outer side of the extraction pipe 1, the extraction pipe 1 at two ends of the air bag 4 is respectively provided with an inner snap ring 5 and an outer snap ring 6, specifically, the inner snap ring 5 and the outer snap ring 6 are both of annular structures, the inner snap ring 5 and the outer snap ring 6 are both connected with the extraction pipe 1 into an integral structure, and the limiting function of the inner snap ring 5 and the outer snap ring 6 is used for limiting the air bag 4 to move relative to the extraction pipe 1.
Furthermore, the elastic plugging component 7 is of a round table body structure made of rubber materials, can be conveniently inserted into a drill hole when in use, is applicable to drill holes with different apertures, and is wider in application range, a channel matched with the outer diameter of the extraction pipe 1 is axially formed in the elastic plugging component 7, the elastic plugging component 7 is sleeved outside the extraction pipe 1, and the elastic plugging component 7 is fixedly bonded with the extraction pipe 1 through an adhesive.
In the embodiment, the extraction section 102 is provided with an extraction valve 3 for controlling the connection and disconnection of an extraction pipeline of the extraction pipe 1; a pagoda joint 11 is arranged on the outer side of the free end of the extraction section 102, so that the connection with an extraction hose is convenient; the free end of the confluence section 101 is sealed, the side wall of the confluence section 101 is uniformly provided with confluence holes 2, and the confluence holes 2 are circular through holes.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The gas extraction drilling and hole sealing device is characterized by comprising an extraction pipe, wherein the extraction pipe is provided with a fixed section, and a confluence section and an extraction section which are respectively arranged at two ends of the fixed section; the gas extraction device is characterized in that an air bag is arranged on the outer side, close to one end of the confluence section, of the fixed section, an elastic plugging part is arranged on the outer side, close to one end of the extraction section, of the fixed section, a gas bin is arranged on the extraction pipe between the elastic plugging part and the extraction section, the gas bin is communicated with the air bag through a gas pipe, and a one-way gas inlet valve and a manual exhaust valve are arranged on the gas bin.
2. The gas extraction borehole sealing device according to claim 1, characterized in that: the gas bin is of a cylindrical cavity structure fixedly arranged on the outer side of the extraction section, a bronchus is arranged inside the extraction pipe and communicated with the air bag, the gas pipe is arranged inside the extraction pipe, one end of the gas pipe is communicated with the bronchus, and the other end of the gas pipe is communicated with the gas bin.
3. The gas extraction borehole sealing device according to claim 2, characterized in that: the one-way air inlet valve is arranged at the top end of the air bin, and the manual exhaust valve is arranged on the side face of the air bin.
4. The gas extraction borehole sealing device according to claim 2, characterized in that: the gas branch pipe is vertically arranged along the radial direction of the extraction pipe, two ends of the gas branch pipe are respectively communicated with the upper inner wall and the lower inner wall of the air bag, and the middle of the gas branch pipe is communicated with the end part of the gas pipe.
5. The gas extraction borehole sealing device according to claim 1, characterized in that: the air bag is a circular air bag, the air bag is sleeved on the outer side of the extraction pipe, and the extraction pipe at the two ends of the air bag is provided with an inner snap ring and an outer snap ring respectively.
6. The gas extraction borehole sealing device according to claim 5, characterized in that: the inner snap ring and the outer snap ring are both of annular structures, and the inner snap ring and the outer snap ring are both connected with the extraction pipe into an integral structure.
7. The gas extraction borehole sealing device according to claim 1, characterized in that: the elastic plugging component is of a round table body structure, a channel matched with the outer diameter of the extraction pipe is axially formed in the elastic plugging component, and the elastic plugging component is fixedly sleeved outside the extraction pipe.
8. The gas extraction borehole sealing device according to any one of claims 1 to 6, characterized in that: and an extraction valve is arranged on the extraction section.
9. The gas extraction borehole sealing device according to any one of claims 1 to 6, characterized in that: and a pagoda joint is arranged outside the free end of the extraction section.
10. The gas extraction borehole sealing device according to any one of claims 1 to 6, characterized in that: the free end of the confluence section is sealed, the side wall of the confluence section is evenly provided with confluence holes, and the confluence holes are circular through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921244440.6U CN210195805U (en) | 2019-08-02 | 2019-08-02 | Gas drainage drilling hole sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921244440.6U CN210195805U (en) | 2019-08-02 | 2019-08-02 | Gas drainage drilling hole sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210195805U true CN210195805U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921244440.6U Active CN210195805U (en) | 2019-08-02 | 2019-08-02 | Gas drainage drilling hole sealing device |
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| CN (1) | CN210195805U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832847A (en) * | 2021-02-08 | 2021-05-25 | 中国矿业大学(北京) | Multifunctional integrated gas bag device for blocking, extracting and releasing gas in goaf |
| CN112922559A (en) * | 2021-01-29 | 2021-06-08 | 山东安益矿用设备股份有限公司 | Colliery gas drainage shutoff leak protection device |
| CN113266415A (en) * | 2021-06-16 | 2021-08-17 | 陕西长武亭南煤业有限责任公司 | Gas extraction equipment and method with alternative pumping and pressing |
| CN114718517A (en) * | 2022-03-24 | 2022-07-08 | 国能神东煤炭集团有限责任公司 | Method for recycling butterfly valve on gas extraction pipe in coal mining operation |
| CN115262526A (en) * | 2022-09-05 | 2022-11-01 | 上海建工集团股份有限公司 | Artificial stratum freezing device and method with adjustable freezing position |
-
2019
- 2019-08-02 CN CN201921244440.6U patent/CN210195805U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922559A (en) * | 2021-01-29 | 2021-06-08 | 山东安益矿用设备股份有限公司 | Colliery gas drainage shutoff leak protection device |
| CN112832847A (en) * | 2021-02-08 | 2021-05-25 | 中国矿业大学(北京) | Multifunctional integrated gas bag device for blocking, extracting and releasing gas in goaf |
| CN112832847B (en) * | 2021-02-08 | 2022-02-01 | 中国矿业大学(北京) | Multifunctional integrated gas bag device for blocking, extracting and releasing gas in goaf |
| CN113266415A (en) * | 2021-06-16 | 2021-08-17 | 陕西长武亭南煤业有限责任公司 | Gas extraction equipment and method with alternative pumping and pressing |
| CN113266415B (en) * | 2021-06-16 | 2024-06-11 | 陕西长武亭南煤业有限责任公司 | Gas extraction equipment and method with alternate extraction and compression |
| CN114718517A (en) * | 2022-03-24 | 2022-07-08 | 国能神东煤炭集团有限责任公司 | Method for recycling butterfly valve on gas extraction pipe in coal mining operation |
| CN115262526A (en) * | 2022-09-05 | 2022-11-01 | 上海建工集团股份有限公司 | Artificial stratum freezing device and method with adjustable freezing position |
| CN115262526B (en) * | 2022-09-05 | 2023-08-22 | 上海建工集团股份有限公司 | Artificial stratum freezing device and method with adjustable freezing position |
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