CN219673988U - Device for detecting leakage of natural gas pipeline - Google Patents
Device for detecting leakage of natural gas pipeline Download PDFInfo
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- CN219673988U CN219673988U CN202320852005.1U CN202320852005U CN219673988U CN 219673988 U CN219673988 U CN 219673988U CN 202320852005 U CN202320852005 U CN 202320852005U CN 219673988 U CN219673988 U CN 219673988U
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- box body
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- natural gas
- gas
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000003345 natural gas Substances 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 80
- 239000007789 gas Substances 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a device for detecting leakage of a natural gas pipeline, which comprises a detection mechanism and a lifting mechanism, wherein the detection mechanism is used for detecting leakage of the natural gas pipeline; the detection mechanism comprises an upper box body and a lower box body, wherein the upper box body and the lower box body are detachably connected, a gas cavity is formed in the upper box body and the lower box body, semicircular notches communicated with the gas cavity are formed in the left side and the right side of the upper box body and the right side of the lower box body, when the upper box body and the lower box body are connected, the upper box body and the lower box body are spliced into circular notches used for fixing a detected pipeline, two air outlets communicated with the gas cavity are formed in the top of the upper box body, one air outlet is connected with an observation water tank through a pipeline provided with a gas one-way valve, and the other air outlet is connected with a gas detection device through a pipeline provided with an air suction pump; the lifting mechanism comprises a fixed plate and a lifting plate, and a lifting assembly is matched between the fixed plate and the lifting plate; the detection mechanism is arranged on the lifting plate, so that the problem that the detection device can be installed only by lifting the detection device in the prior natural gas pipeline leakage detection is solved.
Description
Technical Field
The utility model relates to the technical field of natural gas pipeline detection, in particular to a device for detecting leakage of a natural gas pipeline.
Background
Natural gas is one of various fossil fuels which are widely used at first, when the content of the natural gas in the environment reaches a certain degree, people can suffocate and even die, when the concentration of the natural gas reaches a considerable proportion, explosion can possibly occur, and the irrecoverable influence is caused on personal safety and property, so that whether a natural gas pipeline leaks or not needs to be detected frequently, and equipment used for detection is a detection device for the leakage of the natural gas pipeline.
The existing detection device for natural gas pipeline leakage is generally fixedly arranged at a pipeline connection position for detection, the detection device needs to be lifted to be installed when detecting a natural gas pipeline in use, the problem that the detection device cannot be moved and cannot be lifted exists, when the detection is required to be carried out at a continuous position, manpower and material resources are greatly wasted, and the problem that air leakage cannot be found in time when the air leakage is not large exists.
The application number is: 202221067082.8 in the utility model of publication No. CN217356521U, a natural gas pipeline leakage detection device is disclosed, which solves the problem that the leakage cannot be found in time when the leakage is not large through better sealing property, but the problem that the leakage cannot be moved and the manpower is wasted when the continuous position detection is required exists in the technology, and the detection effect is not greatly improved only through the improvement of the sealing property.
Disclosure of Invention
Based on the above, the utility model provides a device for detecting natural gas pipeline leakage, which solves the problems that the existing natural gas pipeline leakage detection device can not be lifted up to be installed and can not be lifted up and down to waste manpower and material resources when detecting the natural gas pipeline in use by arranging a lifting mechanism.
The technical scheme of the utility model is as follows:
the device for detecting the leakage of the natural gas pipeline comprises a detection mechanism and a lifting mechanism;
the detection mechanism comprises an upper box body and a lower box body, wherein the upper box body and the lower box body are detachably connected, a gas cavity is formed inside the space between the upper box body and the lower box body, semicircular notch communicated with the gas cavity is formed in the left side and the right side of the upper box body and the right side of the lower box body, the semicircular notch is spliced into a circular notch for fixing a detected pipeline when the upper box body is connected with the lower box body, two air outlets communicated with the gas cavity are formed in the top of the upper box body, one air outlet is connected with an observation water tank through a pipeline provided with a gas check valve, and the other air outlet is connected with a gas detection device through a pipeline provided with an air pump;
the lifting mechanism comprises a fixed plate and a lifting plate, and a lifting assembly is arranged between the fixed plate and the lifting plate in a matched manner; the detection mechanism is arranged on the lifting plate.
Preferably, the device further comprises a moving mechanism, the moving mechanism comprises a bottom plate, rollers are arranged at the bottom of the bottom plate, a cabinet body is arranged at the top of the bottom plate, and a fixing plate of the lifting mechanism is arranged at the top of the cabinet body.
Preferably, the connection parts of the front side and the rear side of the upper box body and the lower box body are provided with mounting bars, and the mounting bars of the upper box body and the lower box body are detachably connected through bolts.
Preferably, the lifting assembly comprises four telescopic rods and a lifting structure, the bottoms of the telescopic rods are respectively located at four corners of the fixing plate, the tops of the telescopic rods are connected with the four corners of the lifting plate, the tops of the lifting structure are contacted with the middle of the lifting plate, and the bottoms of the lifting structure are arranged at the middle of the fixing plate.
Preferably, the semicircular notch on the upper box body and the lower box body is also provided with a sealing strip mounting groove, and the sealing strip mounting groove is internally provided with a sealing strip.
Preferably, the top of the upper box body is also provided with a controller for controlling the air pump, the gas detection device and the lifting structure and a power supply for supplying power to the electric equipment.
Preferably, the observation water tank is transparent, and the top of the observation water tank is provided with a small hole for releasing gas.
Preferably, a push handle for pushing is arranged on one side of the bottom plate.
Compared with the prior art, the utility model has the beneficial effects that:
when the detection device is used, the detection mechanism is lifted to the corresponding position through the lifting mechanism, then the detection device which is divided into the upper box body and the lower box body is fixed on a natural gas pipeline in use, whether bubbles exist in the water tank or not is observed firstly, preliminary detection is carried out, then the content of natural gas components in gas pumped by the air pump is detected through the gas detection device, further detection is carried out, the air tightness detection of the pipeline is completed, the problem that the detection device can not be lifted until the detection device is lifted when the natural gas pipeline in use is detected by the existing detection device for natural gas pipeline leakage is solved, manpower and material resources are wasted, and the detection effect is further improved by the cooperation of the water tank and the gas detection device is observed.
Drawings
FIG. 1 is a schematic view of an apparatus for detecting natural gas pipeline leaks according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of the lower case according to the embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of the upper case according to the embodiment of the present utility model;
reference numerals illustrate:
10-detecting mechanism, 100-upper box, 110-lower box, 120-gas cavity, 130-semicircular notch, 131-sealing strip mounting groove, 132-sealing strip, 140-gas outlet, 150-gas check valve, 160-observation water tank, 161-small hole, 170-air pump, 180-gas detecting device, 20-lifting mechanism, 200-fixed plate, 210-lifting plate, 220-lifting component, 221-telescopic rod, 222-lifting structure, 30-moving mechanism, 300-bottom plate, 310-roller, 320-cabinet, 330-pushing handle, 40-mounting strip, 50-controller and 60-power supply.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Examples:
as shown in fig. 1 to 3, the present embodiment discloses an apparatus for detecting leakage of a natural gas pipeline, comprising a detecting mechanism 10 and a lifting mechanism 20;
the detection mechanism 10 comprises an upper box body 100 and a lower box body 110, the upper box body 100 and the lower box body 110 are detachably connected, a gas cavity 120 is arranged between the upper box body 100 and the lower box body 110, semicircular notches 130 communicated with the gas cavity 120 are formed in the left side and the right side of the upper box body 100 and the right side of the lower box body 110, when the upper box body 100 and the lower box body 110 are connected, the semicircular notches 130 are spliced into circular notches for fixing a detected pipeline, two gas outlets 140 communicated with the gas cavity 120 are formed in the top of the upper box body 100, one gas outlet 140 is connected with an observation water tank 160 through a pipeline provided with a gas check valve 150, and the other gas outlet 140 is connected with a gas detection device 180 through a pipeline provided with an air pump 170;
the lifting mechanism 20 comprises a fixed plate 200 and a lifting plate 210, and a lifting assembly 220 is arranged between the fixed plate 200 and the lifting plate 210 in a matched manner; the detection mechanism 10 is disposed on the lifter plate 210.
When the detection device is used, the detection mechanism 10 is lifted to the corresponding position through the lifting mechanism 20, then the detection device divided into the upper box body 100 and the lower box body 110 is fixed on a natural gas pipeline, whether bubbles exist in the observation water tank 160 or not is observed firstly, preliminary detection is carried out, then the content of natural gas components in gas pumped by the air pump 170 is detected through the gas detection device 180, further detection is carried out, the air tightness detection of the pipeline is completed, the problem that the detection device can not be installed after being lifted when the detection device for detecting the natural gas pipeline leakage is used at present, manpower and material resources are wasted is solved, and the detection effect is further improved by the cooperation of the observation water tank 160 and the gas detection device 180.
In order to realize the movement of the detection mechanism 10, the problem that when the detection mechanism 10 needs to be continuously moved to a position, a person needs to hold the detection mechanism 10 to change the position is solved, and the device is improved on the basis of the embodiment, and is different from the embodiment in that the device further comprises a movement mechanism 30, the movement mechanism 30 comprises a bottom plate 300, a roller 310 is arranged at the bottom of the bottom plate 300, a cabinet 320 is arranged at the top of the bottom plate 300, a fixing plate 200 of the lifting mechanism 20 is arranged at the top of the cabinet 320, a pushing handle 330 for pushing is arranged at one side of the bottom plate 300, and universal wheels are adopted for the roller 310.
When in use, the upper box body 100 of the detection mechanism 10 can be detached and placed in the cabinet body 320, and the push handle 330 pushes the whole device to go to the next pipeline detection point, thereby being beneficial to the detection of natural gas pipeline leakage.
In order to more conveniently disassemble and fix the detection mechanism 10, this embodiment is improved on the basis of the above embodiment, and is different from the above embodiment in that the connection between the front and rear sides of the upper case 100 and the lower case 110 is provided with the mounting strips 40, and the mounting strips 40 of the upper case 100 and the lower case 110 are detachably connected by bolts.
When the detection device is used, the bolts can be quickly disassembled and assembled to quickly disassemble and assemble the detection mechanism 10, so that the detection process is facilitated to be quickened, and the upper box body 100 is more conveniently disassembled and put into the cabinet body 320.
In order to facilitate lifting and lowering the detection mechanism 10, this embodiment is modified on the basis of the above embodiment, and is different from the above embodiment in that the lifting assembly 220 includes four telescopic rods 221 and a lifting structure 222, the bottoms of the telescopic rods 221 are respectively located at four corners of the fixing plate 200, the tops of the telescopic rods 221 are connected with four corners of the lifting plate 210, the top of the lifting structure 222 is in contact with the middle of the lifting plate 210, and the bottom of the lifting structure 222 is disposed at the middle of the fixing plate 200.
The lifting structure 222 may be a hydraulic push rod or an electric push rod, and when in use, the lifting structure 222 is used for lifting and lowering the lifting plate 210, so as to complete lifting and lowering of the detection mechanism 10, and facilitate installation and fixing of the detection mechanism 10.
In order to make the detection mechanism 10 have better air tightness, this embodiment is improved on the basis of the above embodiment, and is different from the above embodiment in that the semicircular notch 130 on the upper case 100 and the lower case 110 is further provided with a sealing strip mounting groove 131, the sealing strip mounting groove 131 is internally provided with a sealing strip 132, the joint of the upper case 100 and the lower case 110 is also provided with a sealing strip 132, and the arrangement of the sealing strip 132 can make the space between the upper case 100 and the lower case 110 have better air tightness, which is beneficial to the detection of the pipeline.
For convenience of use, this embodiment is modified on the basis of the above embodiment, and is different from the above embodiment in that the top of the upper case 100 is further provided with a controller 50 for controlling the air pump 170, the gas detecting device 180 and the lifting structure 222, and a power supply 60 for supplying power to the electric equipment.
In use, the controller 50 can control the suction pump 170, the gas detection device 180 and the lifting structure 222 to complete the detection of the gas in the tank, so that the detection process is faster.
In order to facilitate observing whether there are bubbles in the observation water tank 160 and prevent gas from piling up and exploding, this embodiment is modified on the basis of the above embodiment, and is different from the above embodiment in that the observation water tank 160 is transparent, and the top of the observation water tank 160 is provided with a small hole 161 for releasing gas, and when in use, the gas can drift to the outside through the small hole 161.
In the above embodiment, the gas detection device 180 is a detector for detecting combustible gas in natural gas in the prior art, for example: a gas detector model ADKS-1 (EX) manufactured by Aide company.
The working principle of the utility model is as follows:
when the device is used, the controller 50 is used for controlling the lifting mechanism 20 to lift the detection mechanism 10 to the corresponding position, then the upper box body 100 is dismounted, the controller 50 is used for controlling the lifting mechanism 20 to lift the lower box body 110 to the detection position, then the detection devices divided into the upper box body 100 and the lower box body 110 are fixed on a natural gas pipeline in use through bolts and the mounting strips 40, whether bubbles exist in the observation water tank 160 or not is waited for a period of time to be observed for preliminary detection, then the controller 50 is used for controlling the air sucking pump 170 to suck gas to the gas detection device 180, then the content of natural gas components in the sucked gas is further detected, and the air tightness detection of the natural gas pipeline in use is completed.
The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (8)
1. A device for detecting natural gas pipeline leakage, characterized by comprising a detection mechanism (10) and a lifting mechanism (20);
the detection mechanism (10) comprises an upper box body (100) and a lower box body (110), the upper box body (100) and the lower box body (110) are detachably connected, a gas cavity (120) is formed between the upper box body (100) and the lower box body (110), semicircular notches (130) communicated with the gas cavity (120) are formed in the left side and the right side of the upper box body (100) and the right side of the lower box body (110), the semicircular notches (130) are spliced into circular notches for fixing a detected pipeline when the upper box body (100) and the lower box body (110) are connected, two gas outlets (140) communicated with the gas cavity (120) are formed in the top of the upper box body (100), one gas outlet (140) is connected with an observation water tank (160) through a pipeline provided with a gas one-way valve (150), and the other gas outlet (140) is connected with a gas detection device (180) through a pipeline provided with a sucking pump (170);
the lifting mechanism (20) comprises a fixed plate (200) and a lifting plate (210), and a lifting assembly (220) is matched between the fixed plate (200) and the lifting plate (210); the detection mechanism (10) is arranged on the lifting plate (210).
2. The device for detecting leakage of a natural gas pipeline according to claim 1, further comprising a moving mechanism (30), wherein the moving mechanism (30) comprises a bottom plate (300), rollers (310) are arranged at the bottom of the bottom plate (300), a cabinet (320) is arranged at the top of the bottom plate (300), and a fixing plate (200) of the lifting mechanism (20) is arranged at the top of the cabinet (320).
3. The device for detecting leakage of a natural gas pipeline according to claim 1 or 2, wherein the connection parts of the front side and the rear side of the upper box body (100) and the lower box body (110) are provided with mounting bars (40), and the mounting bars (40) of the upper box body (100) and the lower box body (110) are detachably connected through bolts.
4. A device for detecting leakage of a natural gas pipeline according to claim 3, characterized in that the lifting assembly (220) comprises four telescopic rods (221) and a lifting structure (222), the bottoms of the telescopic rods (221) are respectively positioned at four corners of the fixed plate (200), the tops of the telescopic rods (221) are connected with the four corners of the lifting plate (210), the tops of the lifting structure (222) are contacted with the middle part of the lifting plate (210), and the bottoms of the lifting structure (222) are arranged at the middle part of the fixed plate (200).
5. The device for detecting leakage of a natural gas pipeline according to claim 4, wherein sealing strip mounting grooves (131) are further formed in semicircular notches (130) in the upper box body (100) and the lower box body (110), and sealing strips (132) are arranged in the sealing strip mounting grooves (131).
6. The device for detecting leakage of a natural gas pipeline according to claim 5, wherein the top of the upper case (100) is further provided with a controller (50) for controlling the suction pump (170), the gas detecting device (180) and the lifting structure (222) and a power supply (60) for supplying power to the electric equipment.
7. The device for detecting leakage of a natural gas pipeline according to claim 6, wherein the observation water tank (160) is transparent, and a small hole (161) for releasing gas is formed at the top of the observation water tank (160).
8. A device for detecting leakage of a natural gas pipeline according to claim 2, characterized in that a push handle (330) for pushing is provided on one side of the base plate (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320852005.1U CN219673988U (en) | 2023-04-17 | 2023-04-17 | Device for detecting leakage of natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320852005.1U CN219673988U (en) | 2023-04-17 | 2023-04-17 | Device for detecting leakage of natural gas pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN219673988U true CN219673988U (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320852005.1U Active CN219673988U (en) | 2023-04-17 | 2023-04-17 | Device for detecting leakage of natural gas pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117404582A (en) * | 2023-12-15 | 2024-01-16 | 湖北高路公路工程监理咨询有限公司 | Road tunnel crack detection device and detection method thereof |
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2023
- 2023-04-17 CN CN202320852005.1U patent/CN219673988U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117404582A (en) * | 2023-12-15 | 2024-01-16 | 湖北高路公路工程监理咨询有限公司 | Road tunnel crack detection device and detection method thereof |
| CN117404582B (en) * | 2023-12-15 | 2024-02-13 | 湖北高路公路工程监理咨询有限公司 | Road tunnel crack detection device and detection method thereof |
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