CN211289195U - Coal mine gas pipeline plugging device - Google Patents
Coal mine gas pipeline plugging device Download PDFInfo
- Publication number
- CN211289195U CN211289195U CN201921874325.7U CN201921874325U CN211289195U CN 211289195 U CN211289195 U CN 211289195U CN 201921874325 U CN201921874325 U CN 201921874325U CN 211289195 U CN211289195 U CN 211289195U
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- fixed
- rod
- steel pipe
- plugging
- push rod
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Abstract
The utility model discloses a colliery gas pipeline plugging device relates to novel plugging device technical field. The utility model discloses a gas extraction valve, the one end of gas extraction valve is fixed with the hole steel pipe through the thread engagement, and the atress push rod has been cup jointed in the outside of hole steel pipe, and the one end welding of atress push rod has the sleeve of advancing in the top, and the telescopic one end welding of advancing in the top has fixed connection piece, and fixed connection piece's upper end and lower extreme all are fixed with piston rod, and piston rod's one end welding has the support dead lever, and the other end of supporting the dead lever is fixed with the location locking piece through the pin. The utility model adds a double sealing structure outside the device, sets an extraction pipeline inside the device, and installs a valve for connecting extraction equipment, so that the device realizes better plugging performance and is convenient for extracting gas inside the pipeline; and through the multi-section modular design, the assembly is convenient to splice, the plugging distance is prolonged, and the construction is convenient.
Description
Technical Field
The utility model relates to a novel plugging device technical field, more specifically say, relate to a colliery gas pipeline plugging device.
Background
When the coal seam is mined, the coal body is damaged or mined, and part of gas stored in the coal body leaves the coal body and is flushed into a mining space, which is called gas flushing. Mine gas gushes out the form and can divide ordinary gush out with special two kinds of gushing out, when handling colliery gas, often adopt the mode of pipe to derive gas and deposit, nevertheless appear plugging up the leakage opening when the pipe is damaged, with welding remedy after the gas suction near pipeline leakage opening, nevertheless current device when implementing the shutoff to the pipeline, difficult realization realizes the shutoff simultaneously with easy extraction, and because device self length restriction, the shutoff distance is shorter, the construction of being not convenient for, the utility model discloses a new solution is proposed to above problem.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a colliery gas pipeline plugging device to solve the technical problem who mentions in the background art.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A coal mine gas pipeline plugging device comprises a gas extraction valve, wherein an inner hole steel pipe is fixedly fixed at one end of the gas extraction valve through threaded meshing, a stressed push rod is sleeved outside the inner hole steel pipe, a jacking sleeve is welded at one end of the stressed push rod, a fixed connecting block is welded at one end of the jacking sleeve, piston push rods are fixed at the upper end and the lower end of the fixed connecting block respectively, a supporting fixed rod is welded at one end of each piston push rod, a positioning locking block is fixed at the other end of each supporting fixed rod through a pin, a multi-connection outer sleeve shaft rod is fixed at one end of the inner hole steel pipe through threaded meshing, a built-in connecting pipe is welded inside the multi-connection outer sleeve shaft rod, anti-falling gaskets are installed at two ends of the built-in connecting pipe, and a two-way connection transmission rod is fixed at, the other end of two-way connection transmission pole installs the cooperation pipe, the cooperation pipe is connected through many connection overcoat axostylus axostyles with two-way connection transmission pole, the shutoff gasbag has been cup jointed in the outside of cooperation pipe, the one end of shutoff gasbag is fixed with aerifys and holds the bag, it presses down the gassing and turns round to aerify one side of holding the bag, aerify and hold the opposite side of bag and install the barometer, the outside of cooperation pipe is fixed with fastening nut, the tight piece of cooperation clamp and sealed piece through the screw thread meshing in proper order, the one end of cooperation pipe is fixed with closes the gas cap.
Preferably, the inner side of the positioning locking block is completely attached to the outer side of the inner hole steel pipe, and the positioning locking block is connected with the inner hole steel pipe through a screw.
In any of the above schemes, preferably, movable pins are installed inside two ends of the fixed connecting block, a shaft sleeve is fixed at one end of the piston push rod, and the movable pins are in clearance fit with the shaft sleeve.
In any of the above embodiments, the material of the sealing block is preferably polytetrafluoroethylene.
In any of the above schemes, preferably, one end of the plugging air bag is provided with an air transmission rubber tube, and the plugging air bag and the inflatable holding bag are connected through the air transmission rubber tube.
In any of the above schemes, preferably, the minimum opening angle of the supporting and fixing rod is sixty degrees, and the maximum opening angle is one hundred and eighty degrees.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) the device is placed at the position where a gas transmission pipeline needs to be blocked, the gas-tight cap is twisted down from one end of the matching conduit, so that the gas to be repaired can be conveniently transmitted to a storage position through the gas transmission pipe arranged in the inner hole steel pipe, the two-way connection transmission rod and the matching conduit by connecting the air exhaust equipment at one end of the gas extraction valve, when the device is not placed in the catheter, the supporting and fixing rod is positioned at an angle of sixty degrees, the plugging air bag is not inflated and expanded, the device can conveniently enter the catheter, the plugging air bag is inflated by extruding the inflating holding bag after the device enters, so that the diameters of pipelines at the damaged part of the plugging air bag are the same, because the material of the plugging air bag is rubber, static electricity can not be generated in the friction process, the use is safe, the sealing block performs the first plugging, the plugging air bag performs the second plugging, the device realizes better plugging performance and is convenient for extracting and processing gas in the pipeline;
(2) the utility model discloses because in the device adopt more the screw thread can be according to the size adjustment of being installed the size by the size of shutoff position in the screw cooperation, owing to use the different demand in place, select more both-way connection transmission pole, the cooperation is connected, there are anticreep gasket and built-in connecting pipe at the internally mounted of many connections overcoat axostylus axostyle, the anticreep gasket can be so that the plug-in connection of being convenient for at both ends, the anticreep gasket can carry out the closure, improve the gas tightness of device, make the device concatenation of being convenient for, the shutoff distance has been.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
fig. 3 is a cross-sectional view of the connection structure of the multi-connection outer sleeve shaft of the present invention.
The reference numbers in the figures illustrate: 1. a gas extraction valve; 2. an inner hole steel pipe; 3. a stressed push rod; 4. jacking the sleeve; 5. fixing a connecting block; 6. a piston push rod; 7. supporting the fixed rod; 8. positioning a locking block; 9. a plurality of connecting jacket shaft levers; 10. the transmission rod is connected in a bidirectional way; 11. plugging the air bag; 12. inflating and holding the bag; 13. pressing an air release button; 14. a barometer; 15. fastening a nut; 16. a mating clamping block; 17. a sealing block; 18. An airtight cap; 19. an anti-drop gasket; 20. a connecting pipe is arranged inside; 21. fitting the conduit.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.
The specific embodiment is as follows:
referring to fig. 1-3, a coal mine gas pipeline plugging device comprises a gas extraction valve 1, wherein one end of the gas extraction valve 1 is fixedly provided with an inner hole steel pipe 2 through thread meshing, the outer side of the inner hole steel pipe 2 is sleeved with a stress push rod 3, one end of the stress push rod 3 is welded with a jacking sleeve 4, one end of the jacking sleeve 4 is welded with a fixed connecting block 5, the upper end and the lower end of the fixed connecting block 5 are both fixed with a piston push rod 6, one end of the piston push rod 6 is welded with a supporting fixing rod 7, the other end of the supporting fixing rod 7 is fixed with a positioning locking block 8 through a pin, one end of the inner hole steel pipe 2 is fixedly provided with a multi-connection outer sleeve shaft rod 9 through thread meshing, the inner part of the multi-connection outer sleeve shaft rod 9 is welded with an internal connecting pipe 20, two ends of the internal connecting pipe 20 are provided with, the other end of two-way connection transmission pole 10 installs cooperation pipe 21, cooperation pipe 21 is connected through many connecting overcoat axostylus axostyle 9 with two-way connection transmission pole 10, shutoff gasbag 11 has been cup jointed in the outside of cooperation pipe 21, the one end of shutoff gasbag 11 is fixed with aerifys and holds bag 12, it presses down the gassing and turns round 13 to aerify one side of holding bag 12, it installs barometer 14 to aerify the opposite side of holding bag 12, the outside of cooperation pipe 21 is fixed with fastening nut 15 through the screw thread meshing in proper order, the tight piece 16 of cooperation clamp and sealing block 17, the one end of cooperation pipe 21 is fixed with closes the gas cap 18.
In this embodiment, in order to facilitate the supporting device inside the pipeline, the inner side of the positioning locking block 8 is completely attached to the outer side of the inner hole steel pipe 2, and the positioning locking block 8 is connected with the inner hole steel pipe 2 through a screw.
In this embodiment, for the convenience of promoting the flexible of in-process drive piston push rod 6 to adjust the opening angle who supports dead lever 7, the inside at 5 both ends of fixed connection piece all installs movable pin, and piston push rod 6's one end is fixed with the axle sleeve, and movable pin is clearance fit with the axle sleeve.
In this embodiment, in order to make the sealing block 17 have high lubrication property, the sealing block 17 is made of teflon and placed in the pipeline to rub to generate spark to ignite the gas.
In the embodiment, in order to adjust the expansion size of the plugging air bag 11, an air transmission rubber tube is installed at one end of the plugging air bag 11, and the plugging air bag 11 and the inflation holding bag 12 are connected through the air transmission rubber tube.
In the embodiment, in order to enable the supporting fixing rods 7 to support the device according to different pipeline heights, the minimum opening angle of the supporting fixing rods 7 is sixty degrees, and the maximum opening angle is one hundred eighty degrees.
The working principle is as follows:
when the device is used, the device is placed at a position where a gas transmission pipeline needs to be plugged, the gas closing cap 18 is twisted down from one end of the matched conduit 21, so that gas extraction equipment is connected to one end of the gas extraction valve 1, gas near the position where repair needs to be conducted is transmitted to a storage position through the inner hole steel pipe 2, the two-way connection transmission rod 10 and the gas transmission pipeline arranged inside the matched conduit 21, when the device is not placed inside the conduit, the supporting and fixing rod 7 is in a sixty-degree angle, the plugging air bag 11 is not inflated, at the moment, the device conveniently enters the conduit, the plugging air bag 11 is inflated through extruding the inflation holding bag 12 after the device enters, so that the plugging air bag 11 collides with the damaged position and has the same pipeline diameter, because the plugging air bag 11 is made of rubber, static electricity cannot be generated in the friction process, the device is safe to use, the sealing block 17 performs first plugging, and, the device realizes better plugging performance and is convenient for extracting and processing gas in the pipeline; because more adopt the screw thread in the screw cooperation can be according to the size adjustment of being carried out the device size by the size of shutoff position in the device, owing to use the demand that the place is different, select more two-way connection transmission pole 10, the cooperation is connected, internally mounted at many connection overcoat axostylus axostyle 9 has anticreep gasket 19 and built-in connecting pipe 20, anticreep gasket 19 can be so that the plug-in connection of being more convenient for in both ends, anticreep gasket 19 can be closed, the gas tightness of device is improved, make the device be convenient for splice, the shutoff distance has been prolonged, be.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (6)
1. A coal mine gas pipeline plugging device comprises a gas extraction valve (1) and is characterized in that one end of the gas extraction valve (1) is fixedly provided with an inner hole steel pipe (2) through threaded meshing, a stressed push rod (3) is sleeved on the outer side of the inner hole steel pipe (2), one end of the stressed push rod (3) is welded with a jacking sleeve (4), one end of the jacking sleeve (4) is welded with a fixed connecting block (5), the upper end and the lower end of the fixed connecting block (5) are both fixedly provided with a piston push rod (6), one end of the piston push rod (6) is welded with a supporting fixed rod (7), the other end of the supporting fixed rod (7) is fixedly provided with a positioning locking block (8) through a pin, one end of the inner hole steel pipe (2) is fixedly provided with a multi-connection outer sleeve (9) through threaded meshing, and the inner part of the multi-connection outer sleeve shaft lever (9), anti-drop gaskets (19) are installed at two ends of the built-in connecting pipe (20), a bidirectional connection transmission rod (10) is fixed at the other end of the multi-connection outer sleeve shaft rod (9) through threaded engagement, a matching guide pipe (21) is installed at the other end of the bidirectional connection transmission rod (10), the matching guide pipe (21) is connected with the bidirectional connection transmission rod (10) through the multi-connection outer sleeve shaft rod (9), a plugging air bag (11) is sleeved at the outer side of the matching guide pipe (21), an inflatable holding bag (12) is fixed at one end of the plugging air bag (11), a pressing and deflating knob (13) is installed at one side of the inflatable holding bag (12), an air pressure gauge (14) is installed at the other side of the inflatable holding bag (12), and a fastening nut (15), a matching clamping block (16) and a sealing block (17) are sequentially engaged and fixed at the outer side of, an air-closing cap (18) is fixed at one end of the matching conduit (21).
2. The coal mine gas pipeline plugging device according to claim 1, wherein: the inner side of the positioning locking block (8) is completely attached to the outer side of the inner hole steel pipe (2), and the positioning locking block (8) is connected with the inner hole steel pipe (2) through screws.
3. The coal mine gas pipeline plugging device according to claim 1, wherein: the inside at fixed connection piece (5) both ends all installs movable pin, the one end of piston push rod (6) is fixed with the axle sleeve, movable pin and axle sleeve are clearance fit.
4. The coal mine gas pipeline plugging device according to claim 1, wherein: the sealing block (17) is made of polytetrafluoroethylene.
5. The coal mine gas pipeline plugging device according to claim 1, wherein: an air transmission rubber tube is installed at one end of the plugging air bag (11), and the plugging air bag (11) is connected with the inflatable holding bag (12) through the air transmission rubber tube.
6. The coal mine gas pipeline plugging device according to claim 1, wherein: the minimum opening angle of the supporting fixing rod (7) is sixty degrees, and the maximum opening angle is one hundred and eighty degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921874325.7U CN211289195U (en) | 2019-10-31 | 2019-10-31 | Coal mine gas pipeline plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921874325.7U CN211289195U (en) | 2019-10-31 | 2019-10-31 | Coal mine gas pipeline plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211289195U true CN211289195U (en) | 2020-08-18 |
Family
ID=72011351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921874325.7U Expired - Fee Related CN211289195U (en) | 2019-10-31 | 2019-10-31 | Coal mine gas pipeline plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211289195U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404969A (en) * | 2021-05-27 | 2021-09-17 | 中国十七冶集团有限公司 | Pipe jacking construction pipeline cross treatment equipment and use method |
| CN113622989A (en) * | 2021-09-22 | 2021-11-09 | 华北科技学院(中国煤矿安全技术培训中心) | Hole sealing device that adoption was taken out to intelligence gas |
| CN114294505A (en) * | 2021-11-19 | 2022-04-08 | 北京城建集团有限责任公司 | Inflatable pipe plug |
| CN114704705A (en) * | 2021-04-25 | 2022-07-05 | 天圜工程有限公司 | Air sac plugging device for pipeline maintenance |
-
2019
- 2019-10-31 CN CN201921874325.7U patent/CN211289195U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704705A (en) * | 2021-04-25 | 2022-07-05 | 天圜工程有限公司 | Air sac plugging device for pipeline maintenance |
| CN113404969A (en) * | 2021-05-27 | 2021-09-17 | 中国十七冶集团有限公司 | Pipe jacking construction pipeline cross treatment equipment and use method |
| CN113622989A (en) * | 2021-09-22 | 2021-11-09 | 华北科技学院(中国煤矿安全技术培训中心) | Hole sealing device that adoption was taken out to intelligence gas |
| CN113622989B (en) * | 2021-09-22 | 2024-03-19 | 华北科技学院(中国煤矿安全技术培训中心) | Hole sealing device for intelligent gas extraction |
| CN114294505A (en) * | 2021-11-19 | 2022-04-08 | 北京城建集团有限责任公司 | Inflatable pipe plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20201031 |