CN216788390U - A device that is used for gas to take out segmentation detection borehole leakproofness that adopts - Google Patents
A device that is used for gas to take out segmentation detection borehole leakproofness that adopts Download PDFInfo
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- CN216788390U CN216788390U CN202120639733.5U CN202120639733U CN216788390U CN 216788390 U CN216788390 U CN 216788390U CN 202120639733 U CN202120639733 U CN 202120639733U CN 216788390 U CN216788390 U CN 216788390U
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 230000011218 segmentation Effects 0.000 title claims description 4
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 238000000605 extraction Methods 0.000 claims abstract description 25
- 238000005553 drilling Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 22
- 239000003245 coal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a device for detecting the sealing performance of a drilled hole in a segmented mode for gas extraction, and relates to the field of detection of the sealing performance of a gas extraction drilled hole. The utility model provides a device for detecting the sealing performance of a drilled hole in a segmented mode for gas extraction, which comprises an installation seat and a sealing disc, wherein the sealing disc is arranged below the installation seat, when the sealing performance of the drilled hole is detected, a motor is started, the motor enables a driving rod to rotate through a chain, so that a connecting rod is driven to rotate, a long air bag is pulled out through the connecting rod, then an inflating device is started, the inflating device inflates the air bag through the connecting rod, so that the long air bag is full and is tightly connected with the drilled hole, at the moment, a corresponding air hole is opened, the air bag and the drilled hole sealed area are inflated, the air bag and the drilled hole sealed area are stopped after certain air pressure is reached, the pressure value on an operation panel is observed within certain time, if the air leakage is serious, the area leaks air, if the air leakage does not exist, the air bag is continuously opened for detection, the detection mode is simple and convenient, and the detection can be detected through the inflating device.
Description
Technical Field
The utility model relates to the field of gas extraction drill hole tightness detection, in particular to a device for detecting the drill hole tightness in a segmented mode for gas extraction.
Background
The gas extraction is one of the most main mine gas treatment means in China, and the gas treatment efficiency is directly determined by the high and low hole sealing quality of the extraction drill hole. The main index of the quality of the drainage drill hole sealing is the air tightness of the drill hole of the hole sealing section, if the air tightness of the hole sealing section is not good, drainage negative pressure in the drainage drill hole is communicated with a roadway through a crack of the hole sealing section to act on an underground roadway space, air in the roadway is extracted, the concentration of drainage gas is very low, and the gas treatment efficiency is extremely low; if the hole sealing section is high in air tightness, extraction negative pressure in all extraction drill holes acts on the interior of a coal body, a large amount of high-concentration gas can be extracted, the gas content and the gas pressure of a coal seam are reduced, and the safety of coal seam excavation operation is ensured.
Chinese patent No. cn202021625409.x discloses a device for gas drainage's segmentation detects drilling leakproofness, it seals the drilling through two gasbag about, then whether leak gas in with this detection whole drilling through exerting the negative pressure in the drilling, gasbag distance reduces the detection range about adjusting if leak gas, this kind of mode has improved the detection of gas tightness to a certain extent, but this patent overall structure is too complicated, need multiple equipment to mutually support, it is great to the load of negative pressure machine to carry out the negative pressure operation in the whole drilling simultaneously, wait to improve, and when gasbag position about adjusting, gasbag and drilling inner wall friction, inconvenient adjusting position, when the leakproofness detects, many equipment function, easily cause equipment vibration, influence the state of gasbag, when the gasbag can't keep sealed then influence the precision that detects.
Therefore, it is necessary to provide a device for detecting the leak tightness of the drilled hole in a segmented manner for gas extraction, which solves the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for detecting the sealing performance of a drilled hole in a segmented mode for gas extraction, and solves the problems that the structure is complex, the load of a negative pressure machine is large when negative pressure operation is carried out in the drilled hole, air bags rub the inner wall of the drilled hole, the position of the upper air bag and the position of the lower air bag are inconvenient to adjust, multiple devices are inconvenient to operate, the vibration of the devices is easy to cause, the state of the air bags is influenced, and the detection accuracy is influenced when the air bags cannot keep sealing.
In order to solve the technical problems, the utility model provides a device for detecting the sealing performance of a drilled hole in a segmented manner for gas extraction, which comprises an installation seat and a sealing disc, wherein the sealing disc is arranged below the installation seat, the periphery of the installation seat is provided with long grooves and folding legs, the outer surface of the installation seat is respectively provided with an operation panel and a warning lamp, an inflating device is arranged in the installation seat, the bottom of the installation seat is connected with a hanging rod through a telescopic rod, the hanging rod is positioned on the sealing disc, the middle of the top of the sealing disc is provided with a driving rod, one side of the driving rod is provided with a motor, the output end of the motor is connected with the driving rod through a chain, one side of the driving rod is fixedly provided with a connecting rod, the outer side of the sealing disc is provided with a track, an air bag chamber is connected on the track in a sliding manner, and a long air bag is wound in the air bag chamber through a rotating shaft, and the open end of rectangular gasbag and the inseparable intercommunication of connecting rod, install baroceptor and gas pocket respectively in the middle of the surface of sealed dish.
Preferably, the folding legs and the long grooves are provided with magnets, and the folding legs are fixedly clamped with the mounting seat after being unfolded.
Preferably, a handle is installed on one side of the air bag chamber, the handle is movably connected with a rotating shaft in the air bag chamber, and an air valve is installed on the long-strip air bag.
Preferably, the air pressure sensors and the air holes are arranged in a plurality, and the air pressure sensors and the air holes are uniformly distributed in an annular array shape.
Preferably, the driving rod penetrates through the top of the mounting seat and extends to the bottom of the mounting seat, and the two air bag chambers are respectively positioned at the top and the bottom of the sealing disc.
Preferably, the surface top and the below of sealed dish all are provided with the gasbag groove, and the slide rail encircles the gasbag groove outside, and gasbag room passes through slide rail and gasbag groove sliding connection simultaneously.
Preferably, an air charging device is installed inside the installation seat, and an air outlet end of the air charging device is respectively communicated with the air hole and the connecting rod.
Compared with the related art, the device for detecting the sealing performance of the drilled hole in a segmented mode for gas extraction has the following beneficial effects:
the utility model provides a device for detecting the sealing performance of a drilled hole in a segmented mode for gas extraction, which is characterized in that a track, an air bag chamber, a long air bag, a motor and a chain are arranged, when the sealing performance of the drilled hole is detected, a worker connects a sealing disc with a telescopic rod through a hanging rod, then adjusts the position of the sealing disc through the telescopic rod, then the motor is started, the motor enables a driving rod to rotate through the chain to drive a connecting rod to rotate, the long air bag is pulled out through the connecting rod, then an inflating device is started, the inflating device inflates the air bag through the connecting rod, so that the long air bag is full and is tightly connected with the drilled hole, at the moment, a corresponding air hole is opened, the air bag is inflated to a region sealed with the drilled hole, the region is stopped after certain air pressure is reached, the pressure value on an operation panel is observed within a certain time, if the air leakage is serious, the region leaks air, if no air leakage exists, the air bag is continuously opened to detect, after the air bag is opened, the air in the front of the air bag can move, so that the air bag is not full, the friction between the air bag and the inner wall of the drill hole is avoided, the detection mode is simple and convenient, the detection can be realized only through an inflating device, the problems that the structure is complex, the negative pressure operation in the drill hole is large to the load of a negative pressure machine, the air bag rubs with the inner wall of the drill hole, and the position of the upper air bag and the lower air bag is inconvenient to adjust are solved.
The utility model provides a device for detecting the sealing performance of a drilled hole in a segmented mode for gas extraction, wherein folding legs are arranged on the periphery of an installation seat, magnets and clamping pieces are arranged on the folding legs, when the device is installed, workers open the folding legs and fix the folding legs through the clamping pieces to fix the installation seat above the drilled hole, so that when the air tightness is detected, vibration caused by operation of a motor and an inflating device is limited, the installation seat can be prevented from shaking violently, the problem that the state of an air bag is influenced due to the fact that multiple devices operate, the vibration of the devices is easy to cause is solved, and the detection accuracy is influenced when the air bag cannot keep sealed is solved.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the device for detecting the leak tightness of the drilled hole in a segmented manner for gas extraction, provided by the utility model;
FIG. 2 is a schematic top view of a sealing disk according to the present invention;
FIG. 3 is an enlarged view of A of FIG. 1;
fig. 4 is a schematic cross-sectional view of the mounting base of the present invention.
Reference numbers in the figures: 1. the air bag type air bag device comprises a mounting seat, 2, an operation panel, 3, a warning lamp, 4, a folding leg, 5, a magnet, 6, a telescopic rod, 7, a hanging rod, 8, a sealing disc, 9, an air pressure sensor, 10, a connecting rod, 11, a long air bag, 12, an air bag chamber, 13, an inflating device, 14, a driving rod, 15, a chain, 16, a motor, 17, an air hole, 18, a track, 19 and an air bag groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the technical solutions in the present invention, all other embodiments obtained by a person of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an apparatus for detecting the leak tightness of a borehole by stages for gas extraction according to the present invention; FIG. 2 is a schematic top view of the seal disk of the present invention; FIG. 3 is an enlarged schematic view of the structure of the present invention A; fig. 4 is a schematic cross-sectional view of the mounting base of the present invention. A device for detecting the sealing performance of a drilled hole in a segmented mode for gas extraction comprises an installation seat 1 and a sealing disc 8, the sealing disc 8 is arranged below the installation seat 1, a strip groove is formed in the periphery of the installation seat 1, folding legs 4 are installed on the periphery of the installation seat 1, an operation panel 2 and a warning lamp 3 are installed on the outer surface of the installation seat 1 respectively, an inflating device 13 is installed inside the installation seat 1, the bottom of the installation seat 1 is connected with a suspender 7 through a telescopic rod 6, the suspender 7 is located on the sealing disc 8, a driving rod 14 is installed in the middle of the top of the sealing disc 8, a motor 16 is installed on one side of the driving rod 14, the output end of the motor 16 is connected with the driving rod 14 through a chain 15, a connecting rod 10 is fixed on one side of the driving rod 14, a rail 18 is formed in the outer side of the sealing disc 8, an air bag chamber 12 is connected on the rail 18 in a sliding mode, a strip air bag 11 is wound inside the air bag chamber 12 through a rotating shaft, and the opening end of the strip 11 is tightly communicated with the connecting rod 10, an air pressure sensor 9 and an air hole 17 are respectively arranged in the middle of the outer surface of the sealing disc 8.
Further, all install magnet 5 on folding leg 4 and the rectangular groove, folding leg 4 is opened the back and is fixed with 1 joint of mount pad, can fix folding leg 4.
Further, a handle is installed on one side of the airbag chamber 12 and is movably connected with a rotating shaft inside the airbag chamber 12, and an air valve is installed on the long airbag 11 and can store the long airbag 11.
Further, baroceptor 9 all is provided with a plurality ofly with gas pocket 17, and a plurality of baroceptors 9 are "annular array form" evenly distributed with gas pocket 17, can divide into several parts with the drilling and detect, and detection efficiency is high.
Further, the driving rod 14 penetrates the top of the mounting seat 1 and extends to the bottom of the mounting seat 1, and two airbag chambers 12 are provided, respectively on the top and bottom of the sealing disk 8.
Further, air bag grooves 19 are provided above and below the outer surface of the sealing disk 8, and the slide rails 18 surround the outside of the air bag grooves 19, while the air bag chamber 12 is slidably connected with the air bag grooves 19 through the slide rails 18.
Further, an inflation device 13 is installed inside the installation seat 1, and an air outlet end of the inflation device 13 is respectively communicated with the air hole 17 and the connecting rod 10.
The working principle of the device for detecting the sealing property of the drilled hole in a segmented mode for gas extraction is as follows:
firstly, the installation seat 1 is installed, a worker opens the folding leg 4 and fixes the folding leg by a fastener, the installation seat 4 is fixed above a drilled hole, then the sealing disc 8 is connected with the telescopic rod 6 by the suspender 7, the position of the sealing disc 8 is adjusted by the telescopic rod 6, then the motor 16 is started, the motor 16 enables the driving rod 14 to rotate by the chain 15, thereby driving the connecting rod 10 to rotate, the connecting rod 10 pulls out the strip-shaped air bag 11, then the inflating device 13 is started, the inflating device 13 inflates the strip-shaped air bag 11 by the connecting rod 10, thereby enabling the strip-shaped air bag 11 to be full and tightly connected with the inner wall of the drilled hole, at the moment, the corresponding air hole 17 is opened, the area sealed by the strip-shaped air bag 11 and the drilled hole is inflated, the operation is stopped after a certain air pressure is reached, the pressure value of the display screen on the operation panel 2 is observed within a certain time, if the air leakage is serious, the area leaks air, if no air leakage exists, the long airbag 11 is continuously opened for detection, the long airbag 11 is pulled to a specified position, air is continuously injected into the airbag until the long airbag 11 is sealed with the drilled hole, the air tightness of the drilled hole is continuously detected, after the detection is finished, an air valve on the long airbag 11 is opened, the air is discharged, then a handle on the airbag chamber 12 is selected, and the long airbag 11 is wound and retracted.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a device that is used for segmentation detection drilling leakproofness of gas drainage, includes mount pad (1) and sealed dish (8), its characterized in that: the utility model discloses a folding leg of a motor vehicle, including mount pad (1), operating panel (2) and warning light (3) are installed respectively to the below of mount pad (1), rectangular groove has been seted up and folding leg (4) have been installed around mount pad (1), operating panel (2) and warning light (3) are installed respectively to the surface of mount pad (1), the internally mounted of mount pad (1) has aerating device (13), the bottom of mount pad (1) is connected with jib (7) through telescopic link (6), jib (7) are located sealed dish (8), install actuating lever (14) in the middle of the top of sealed dish (8), motor (16) are installed to one side of actuating lever (14), the output of motor (16) passes through chain (15) and is connected with actuating lever (14), one side of actuating lever (14) is fixed with connecting rod (10), track (18) have been seted up in the outside of sealed dish (8), sliding connection has gasbag room (12) on track (18), the inside of gasbag room (12) has rectangular gasbag (11) through the pivot winding, and the open end and connecting rod (10) of rectangular gasbag (11) closely communicate, install baroceptor (9) and gas pocket (17) respectively in the middle of the surface of sealed dish (8).
2. The device for detecting the sealing performance of the drill hole in sections for gas extraction according to claim 1, wherein the folding legs (4) and the long grooves are provided with magnets (5), and the folding legs (4) are clamped and fixed with the mounting seat (1) after being unfolded.
3. The device for detecting the sealing performance of the drilled hole in sections for gas extraction according to claim 1, wherein a handle is mounted on one side of the air bag chamber (12) and movably connected with a rotating shaft in the air bag chamber (12), and an air valve is mounted on the long air bag (11).
4. The device for detecting the sealing performance of the drilled hole in a segmented mode for gas extraction according to claim 1, wherein the air pressure sensors (9) and the air holes (17) are arranged in a plurality, and the air pressure sensors (9) and the air holes (17) are uniformly distributed in an annular array mode.
5. The device for the segmental detection of the tightness of boreholes for the extraction of gas as claimed in claim 1, characterized in that the driving rod (14) extends through the top of the mounting seat (1) and to the bottom of the mounting seat (1) and two gas cell chambers (12) are provided, one at the top and one at the bottom of the sealing disk (8).
6. The device for detecting the sealing performance of the drilled hole in sections for gas extraction according to claim 1, characterized in that air bag grooves (19) are arranged above and below the outer surface of the sealing disc (8), the tracks (18) surround the outer sides of the air bag grooves (19), and the air bag chamber (12) is connected with the air bag grooves (19) in a sliding mode through the tracks (18).
7. The device for detecting the sealing performance of the drilled hole in the segmented mode for gas extraction according to claim 1, wherein the gas outlet end of the gas filling device (13) is communicated with the gas hole (17) and the connecting rod (10) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120639733.5U CN216788390U (en) | 2021-03-29 | 2021-03-29 | A device that is used for gas to take out segmentation detection borehole leakproofness that adopts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120639733.5U CN216788390U (en) | 2021-03-29 | 2021-03-29 | A device that is used for gas to take out segmentation detection borehole leakproofness that adopts |
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| Publication Number | Publication Date |
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| CN216788390U true CN216788390U (en) | 2022-06-21 |
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| CN202120639733.5U Expired - Fee Related CN216788390U (en) | 2021-03-29 | 2021-03-29 | A device that is used for gas to take out segmentation detection borehole leakproofness that adopts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116481739A (en) * | 2023-04-20 | 2023-07-25 | 徐州中矿岩土技术股份有限公司 | Tightness detection device for abandoned mine tunnel gas storage |
-
2021
- 2021-03-29 CN CN202120639733.5U patent/CN216788390U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116481739A (en) * | 2023-04-20 | 2023-07-25 | 徐州中矿岩土技术股份有限公司 | Tightness detection device for abandoned mine tunnel gas storage |
| CN116481739B (en) * | 2023-04-20 | 2023-11-14 | 徐州中矿岩土技术股份有限公司 | Tightness detection device for abandoned mine tunnel gas storage |
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Granted publication date: 20220621 |