CN220471398U - Gas pipeline gas leakage detection device - Google Patents
Gas pipeline gas leakage detection device Download PDFInfo
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- CN220471398U CN220471398U CN202321547017.XU CN202321547017U CN220471398U CN 220471398 U CN220471398 U CN 220471398U CN 202321547017 U CN202321547017 U CN 202321547017U CN 220471398 U CN220471398 U CN 220471398U
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- elastic sealing
- gas pipeline
- elastic
- sealing
- leakage detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 67
- 238000007789 sealing Methods 0.000 claims abstract description 129
- 238000010030 laminating Methods 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 48
- 230000009471 action Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Abstract
The utility model provides a gas pipeline gas leakage detection device, which relates to the technical field of pipeline gas leakage detection and comprises an elastic sealing gasket, wherein one end of the elastic sealing gasket is fixedly connected with an elastic connecting sleeve, one end of the elastic connecting sleeve is fixedly provided with a supporting plate, one end of the elastic sealing gasket is fixedly provided with a sealing air bag belt, and one end of the sealing air bag belt is fixedly provided with an elastic sealing strip. The utility model has the advantages that: elastic sealing structure that can deform is set up at the both ends of detecting structure to set up the arc spring structure that can deform inside sealing structure, make detecting structure can be through pressure extrusion deformation when detecting different diameter pipelines, make sealing structure and spring structure deformation and produce the change of internal diameter under the pressure effect, make sealing structure and the surface of gas pipeline laminating after deformation, and then can carry out gas leakage detection to the gas pipeline of different diameters, improve the convenience that detection device used.
Description
Technical Field
The utility model relates to the technical field of pipeline gas leakage detection, in particular to a gas pipeline gas leakage detection device.
Background
With the continuous improvement of urban land in China, the use amount of natural gas is gradually increased, and the natural gas is mainly conveyed through pipelines in the conveying process, but the situation of air leakage possibly occurs along with the increase of the service life of the pipelines, so that great potential safety hazards exist. It is therefore necessary to perform leak detection on a leaking gas pipe, and to determine the location of the leak so as to repair or replace the pipe. When the pipeline leakage problem exists in the actual life, the gas pipeline leakage position or the pipeline breakage position needs to be continuously detected.
In CN213902783U, a gas pipeline gas leakage detection device is introduced, an upper grip and a lower grip are arranged, the grip is prolonged for the detection device, the subsequent detection personnel can conveniently detect for a plurality of times, actions such as bending are not needed, the gas pipeline can be placed after the upper cover plate and the lower cover plate are fixed, and the detection result is waited, so that the output of labor force is reduced. However, when detecting gas pipelines with different diameters, the detection device needs to use different detection structures for detection due to the fixed inner diameter of the detection structures, so that the detection device is inconvenient to detect the gas pipelines with various different diameters and inconvenient to use.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an object of the present utility model is to provide a gas leakage detecting device for a gas pipeline, so as to solve the problems mentioned in the background art and overcome the disadvantages in the prior art.
In order to achieve the above object, an embodiment of an aspect of the present utility model provides a gas leakage detection device for a gas pipeline, including a gas pipeline for conveying gas, wherein an elastic sealing pad is attached to a surface of the gas pipeline, one end of the elastic sealing pad is fixedly connected with an elastic connecting sleeve, one end of the elastic connecting sleeve is fixedly provided with a supporting plate, one end of the elastic sealing pad is fixedly provided with a sealing air bag belt, one end of the sealing air bag belt is fixedly provided with an elastic sealing strip, one end of the sealing air bag belt is fixedly provided with a micro air pump, and the inside of the elastic sealing pad is fixedly provided with a bending spring piece.
The technical scheme is adopted: the setting detects the structure and can deform, and wherein detect the minimum pipeline diameter that the structure detected and be elastic sealing pad and pipeline laminating under the normality pipeline diameter, the pipeline diameter that detects when elastic sealing pad does not produce deformation promptly is minimum diameter, along with the increase of pipeline diameter, elastic sealing pad opening increase, detects the diameter increase.
By above-mentioned arbitrary scheme preferred, the elastic sealing pad sets up to arc structure, the elastic sealing pad has two, two be provided with the detection membrane between the elastic sealing pad, the detection membrane laminating is in the surface of gas pipeline.
The technical scheme is adopted: the elastic sealing gasket seals the two ends of the detection film, so that the tightness between the detection film and the gas pipeline is enhanced, and the detection film extrudes the detection cavity under the action of the leaked gas of the gas pipeline.
By above-mentioned arbitrary scheme preferably, be provided with the detection cavity between detection membrane and the elastic connection cover, the top of detection cavity is provided with the air pressure sensor with elastic connection cover fixed mounting, the middle part of backup pad is provided with the boss, the inside fixed mounting of boss has the handle pole, the one end fixed mounting of handle pole has the display screen.
The technical scheme is adopted: the detection cavity is reduced in extrusion volume, the air pressure in the detection cavity is increased, the air pressure sensor transmits the air pressure change to the display screen for digital display, an operator holds the handle rod to operate the detection device, and the air pressure change is observed through the display screen to judge whether the pipeline leaks air.
By any of the above schemes, preferably, the air pressure sensor is connected with a control main board in a signal manner, and the control main board is connected with the display screen in a signal manner.
The technical scheme is adopted: the air pressure sensor converts pressure signals into electric signals and transmits the electric signals to the control main board, and the control main board converts the signals and transmits the converted signals to the display screen, so that the display screen converts the signals into digital signals for display.
By any of the above-mentioned schemes, it is preferable that the sealing air bag belt and the elastic sealing strip are both provided with arc structures adapted to the elastic sealing pad, and the width of the sealing air bag belt is smaller than the width of the elastic sealing pad.
The technical scheme is adopted: the sealing air bag belt and the elastic sealing strip deform along with the deformation of the elastic sealing gasket, and the sealing air bag belt, the elastic sealing strip and the elastic sealing gasket form a multistage sealing structure to seal between the detection structure and the pipeline.
By any of the above-mentioned aspects, preferably, the width of the elastic sealing strip is smaller than the size of the sealing air bag belt, and the micro air pump is fixedly installed inside the elastic sealing pad.
The technical scheme is adopted: the micro air pump can be controlled to charge and discharge the sealing air bag along with the deformation of the elastic air bag belt, so that the sealing air bag belt drives the elastic sealing strip to move, and the tightness of the sealing air bag belt and the elastic sealing strip to a gas pipeline is ensured.
By any of the above-mentioned modes, it is preferable that the curved spring piece is located at one side of the sealing air bag belt, and a closing plate is provided at one side of the curved spring piece, and the closing plate and the elastic sealing gasket are fixedly installed.
The technical scheme is adopted: realize the dismouting to crooked spring leaf through dismouting closing plate, make the elastic sealing pad possess the ability that resets through crooked spring leaf, be convenient for strengthen the leakproofness of elastic sealing pad to gas pipeline.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. elastic sealing structure that can deform is set up at the both ends of detecting structure to set up the arc spring structure that can deform inside sealing structure, make detecting structure can be through pressure extrusion deformation when detecting different diameter pipelines, make sealing structure and spring structure deformation and produce the change of internal diameter under the pressure effect, make sealing structure and the surface of gas pipeline laminating after deformation, and then can carry out gas leakage detection to the gas pipeline of different diameters, improve the convenience that detection device used.
2. The arc spring structure is arranged to deform along with the deformation of the sealing structure, and the deformed sealing structure is extruded by the aid of the resetting capability of the spring, so that the tightness between the deformed sealing structure and the pipeline is ensured.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a structure according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a partial structure according to an embodiment of the present utility model;
fig. 3 is a schematic view showing the structure of a support plate according to an embodiment of the present utility model;
FIG. 4 is an enlarged schematic view of the structure A in FIG. 3 according to an embodiment of the present utility model;
wherein: 1-gas pipeline, 2-elastic sealing gasket, 3-elastic connecting sleeve, 4-backup pad, 5-sealed gasbag area, 6-elastic sealing strip, 7-miniature air pump, 8-crooked spring leaf, 9-detection membrane, 10-detection cavity, 11-air pressure sensor, 12-handle pole, 13-display screen, 14-closure board, 15-boss.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.
As shown in fig. 1-4, the gas leakage detection device for the gas pipeline in the embodiment of the utility model comprises a gas pipeline 1 for conveying gas, wherein an elastic sealing gasket 2 is attached to the surface of the gas pipeline 1, one end of the elastic sealing gasket 2 is fixedly connected with an elastic connecting sleeve 3, one end of the elastic connecting sleeve 3 is fixedly provided with a supporting plate 4, one end of the elastic sealing gasket 2 is fixedly provided with a sealing air bag belt 5, one end of the sealing air bag belt 5 is fixedly provided with an elastic sealing strip 6, one end of the sealing air bag belt 5 is fixedly provided with a miniature air pump 7, and the inside of the elastic sealing gasket 2 is fixedly provided with a bending spring piece 8.
The technical scheme is adopted: the setting detects the structure and can deform, and wherein detect the minimum pipeline diameter that the structure detected and be elastic sealing pad 2 and pipeline laminating under the normality pipeline diameter, the pipeline diameter that detects when elastic sealing pad 2 did not produce deformation promptly is minimum diameter, along with the increase of pipeline diameter, elastic sealing pad 2 opening increase, detects the diameter increase.
By any of the above schemes, preferably, the elastic sealing gaskets 2 are provided with an arc structure, two elastic sealing gaskets 2 are provided, a detection film 9 is arranged between the two elastic sealing gaskets 2, and the detection film 9 is attached to the surface of the gas pipeline 1.
The technical scheme is adopted: the elastic sealing gasket 2 seals the two ends of the detection membrane 9, so that the tightness between the detection membrane 9 and the gas pipeline is enhanced, and the detection membrane 9 extrudes the detection cavity 10 under the action of the leaked gas of the gas pipeline.
By any of the above schemes, it is preferable that a detection cavity 10 is provided between the detection membrane 9 and the elastic connecting sleeve 3, an air pressure sensor 11 fixedly mounted with the elastic connecting sleeve 3 is provided above the detection cavity 10, a boss 15 is provided in the middle of the support plate 4, a handle rod 12 is fixedly mounted in the boss 15, and a display screen 13 is fixedly mounted at one end of the handle rod 12.
The technical scheme is adopted: when the extrusion volume of the detection cavity 10 is reduced and the air pressure in the detection cavity is increased, the air pressure sensor 11 transmits the air pressure change to the display screen 13 for digital display, and an operator handles the handle rod 12 to operate the detection device, and can observe the air pressure change through the display screen 13 to judge whether the pipeline leaks air.
In any of the above embodiments, it is preferable that the air pressure sensor 11 is signal-connected to a control board, and the control board is signal-connected to the display 13.
The technical scheme is adopted: the air pressure sensor 11 converts the pressure signal into an electric signal and transmits the electric signal to the control main board, and the control main board converts the signal and transmits the converted signal to the display screen 13, so that the display screen 13 converts the signal into a digital signal for displaying.
By either of the above-described modes, it is preferable that both the sealing bag belt 5 and the elastic sealing strip 6 are provided in an arc-shaped configuration adapted to the elastic sealing pad 2, and the width of the sealing bag belt 5 is smaller than the width of the elastic sealing pad 2.
The technical scheme is adopted: the sealing air bag belt 5 and the elastic sealing strip 6 deform along with the deformation of the elastic sealing gasket 2, and the sealing air bag belt 5, the elastic sealing strip 6 and the elastic sealing gasket 2 form a multistage sealing structure to seal between the detection structure and the pipeline.
From any of the above, it is preferable that the width of the elastic sealing strip 6 is smaller than the size of the sealing air bag belt 5, and the micro air pump 7 is fixedly installed inside the elastic sealing pad 2.
The technical scheme is adopted: the micro air pump 7 can be controlled to charge and discharge the sealing air bag belt 5 along with the deformation of the elastic air bag belt 5, so that the sealing air bag belt 5 drives the elastic sealing strip 6 to move, and the tightness of the sealing air bag belt 5 and the elastic sealing strip 6 to a gas pipeline is ensured.
In any of the above embodiments, it is preferable that the bending spring piece 8 is located at one side of the sealing airbag band 5, and a closing plate 14 is provided at one side of the bending spring piece 8, and the closing plate 14 and the elastic sealing pad 2 are fixedly installed.
The technical scheme is adopted: the disassembly and assembly of the bending spring piece 8 are realized through the disassembly and assembly sealing plate 14, and the elastic sealing gasket 2 has the resetting capability through the bending spring piece 8, so that the sealing performance of the elastic sealing gasket 2 to a gas pipeline is convenient to be enhanced.
The utility model relates to a gas pipeline gas leakage detection device, which has the following working principle:
the handle bar 12 is used for attaching the elastic sealing strip 6 to the surface of the gas pipeline 1, pressing the supporting plate 4 according to the diameter of the gas pipeline 1 to enable the supporting plate 4 to extrude the elastic sealing strip 6 through the elastic connecting sleeve 3, expanding and increasing the diameter of the elastic sealing strip 6 under the action of the radian of the gas pipeline 1, controlling the micro air pump 7 to start to inflate to the inside of the sealed air bag belt 5, and guaranteeing the detection tightness.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
1. elastic sealing structure that can deform is set up at the both ends of detecting structure to set up the arc spring structure that can deform inside sealing structure, make detecting structure can be through pressure extrusion deformation when detecting different diameter pipelines, make sealing structure and spring structure deformation and produce the change of internal diameter under the pressure effect, make sealing structure and the surface of gas pipeline laminating after deformation, and then can carry out gas leakage detection to the gas pipeline of different diameters, improve the convenience that detection device used.
2. The arc spring structure is arranged to deform along with the deformation of the sealing structure, and the deformed sealing structure is extruded by the aid of the resetting capability of the spring, so that the tightness between the deformed sealing structure and the pipeline is ensured.
Claims (7)
1. The utility model provides a gas pipeline gas leakage detection device, includes gas pipeline (1) that carries gas, the laminating of the surface of gas pipeline (1) has elastic sealing pad (2), the one end fixedly connected with elastic connection cover (3) of elastic sealing pad (2), the one end fixed mounting of elastic connection cover (3) has backup pad (4), its characterized in that: one end fixed mounting of elastic sealing pad (2) has sealed gasbag area (5), one end fixed mounting of sealed gasbag area (5) has elastic sealing strip (6), one end fixed mounting of sealed gasbag area (5) has miniature air pump (7), the inside fixed mounting of elastic sealing pad (2) has crooked spring leaf (8).
2. A gas pipeline leakage detection apparatus as defined in claim 1, wherein: the gas pipeline is characterized in that the elastic sealing gaskets (2) are of arc structures, two elastic sealing gaskets (2) are arranged, a detection membrane (9) is arranged between the two elastic sealing gaskets (2), and the detection membrane (9) is attached to the surface of the gas pipeline (1).
3. A gas pipeline leakage detection apparatus as defined in claim 2, wherein: the detection device is characterized in that a detection cavity (10) is formed between the detection film (9) and the elastic connecting sleeve (3), an air pressure sensor (11) fixedly mounted with the elastic connecting sleeve (3) is arranged above the detection cavity (10), a boss (15) is arranged in the middle of the support plate (4), a handle rod (12) is fixedly mounted in the boss (15), and a display screen (13) is fixedly mounted at one end of the handle rod (12).
4. A gas pipeline leakage detection apparatus as claimed in claim 3, wherein: the air pressure sensor (11) is connected with a control main board in a signal mode, and the control main board is connected with the display screen (13) in a signal mode.
5. A gas pipeline leakage detection apparatus as defined in claim 4, wherein: the sealing air bag belt (5) and the elastic sealing strip (6) are both arranged to be arc-shaped structures matched with the elastic sealing gasket (2), and the width of the sealing air bag belt (5) is smaller than that of the elastic sealing gasket (2).
6. A gas pipeline leakage detection apparatus as defined in claim 5, wherein: the width of the elastic sealing strip (6) is smaller than the size of the sealing air bag belt (5), and the miniature air pump (7) is fixedly arranged in the elastic sealing pad (2).
7. A gas pipeline leakage detection apparatus as defined in claim 6, wherein: the bending spring piece (8) is positioned on one side of the sealing air bag belt (5), a sealing plate (14) is arranged on one side of the bending spring piece (8), and the sealing plate (14) and the elastic sealing gasket (2) are fixedly installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321547017.XU CN220471398U (en) | 2023-06-16 | 2023-06-16 | Gas pipeline gas leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321547017.XU CN220471398U (en) | 2023-06-16 | 2023-06-16 | Gas pipeline gas leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220471398U true CN220471398U (en) | 2024-02-09 |
Family
ID=89797255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321547017.XU Active CN220471398U (en) | 2023-06-16 | 2023-06-16 | Gas pipeline gas leakage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220471398U (en) |
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2023
- 2023-06-16 CN CN202321547017.XU patent/CN220471398U/en active Active
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