CN217235319U - Natural gas transmission pipeline gas leakage detection device - Google Patents
Natural gas transmission pipeline gas leakage detection device Download PDFInfo
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- CN217235319U CN217235319U CN202220791338.3U CN202220791338U CN217235319U CN 217235319 U CN217235319 U CN 217235319U CN 202220791338 U CN202220791338 U CN 202220791338U CN 217235319 U CN217235319 U CN 217235319U
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 239000003345 natural gas Substances 0.000 title claims abstract description 42
- 239000007789 gas Substances 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000000926 separation method Methods 0.000 abstract description 4
- 101100537937 Caenorhabditis elegans arc-1 gene Proteins 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a natural gas transmission pipeline gas leakage detection device, including last arc, lower arc and detector, the detector is installed at the upper surface of last arc, the bleeder vent has been seted up to the interior roof of going up the arc, the bleeder vent is linked together with the detector, go up the arc and be close to the equal first sealing strip of fixedly connected with in both ends about one side with lower arc mutually. A natural gas transmission pipeline gas leakage detection device, make upper junction plate and lower connecting plate separation through holding connecting rod and holding rod, then will go up the arc and move the pipeline department of suspected leakage with lower arc and loosen the holding rod, the restoring force through the spring makes the arc and lower arc fixed connection on the pipeline this moment, gas passes through the bleeder vent when the pipeline takes place to leak and gets into in the detector to avoid the natural gas after leaking to reduce concentration under the influence of external wind-force, improve the accuracy of testing result.
Description
Technical Field
The utility model relates to a leak testing field, in particular to natural gas transmission pipeline gas leakage testing device field.
Background
Natural gas, as a low-pollution fossil energy, is widely used in life and production of people under the current ecological environment requirement. The natural gas is mainly conveyed through a pipeline in the conveying process, the pipeline leakage phenomenon can occur at the connecting part between pipelines in the conveying process, the leaked natural gas can not only cause resource waste and environmental pollution, but also have potential safety hazards because the natural gas is combustible gas. Therefore, the natural gas pipe needs to be subjected to gas leakage detection so as to ensure safe transportation.
The existing natural gas detection is carried out along the outer surface of a pipeline through a handheld detector, the natural gas is lighter than air, is easy to disperse after leakage, and the concentration is reduced under the influence of external wind power, so that the detection is easy to cause inaccuracy.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a gas leakage detecting device for natural gas pipeline, which can effectively solve the problems in the background art.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
the utility model provides a natural gas conveying pipeline gas leakage detection device, includes arc, lower arc and detector, the detector is installed at the upper surface of last arc, the bleeder vent has been seted up to the interior roof of last arc, the bleeder vent is linked together with the detector, go up the arc and be close to the equal first sealing strip of both ends of controlling of one side with lower arc mutually, go up two upper junction plates of fixedly connected with and two lower connecting plates respectively in both sides around arc and lower arc, the equal fixedly connected with second sealing strip of one side that upper junction plate and lower connecting plate are close to mutually, the equal fixedly connected with montant in the left and right sides of upper junction plate upper surface, the top fixedly connected with connecting rod of montant, the top of connecting rod is provided with the holding rod, the equal fixedly connected with slide bar in the left and right sides of holding rod lower surface, the bottom of slide bar runs through connecting rod, bottom in proper order, Upper junction plate and lower junction plate and threaded connection have the nut, the surface cover of slide bar is equipped with the spring, set up like this and make upper junction plate and lower junction plate separation through holding connecting rod and holding rod, then will go up the arc and move the pipeline department of suspected leakage with lower arc and loosen the holding rod, the restoring force through the spring makes upper junction plate and lower arc fixed connection on the pipeline this moment, gas passes through the bleeder vent and gets into in the detector when the pipeline takes place to leak, thereby avoid the natural gas after the leakage to reduce concentration under the influence of external wind-force, improve the accuracy of testing result.
The utility model discloses a further improvement lies in, first sealing strip and second sealing strip integrated into one piece, first sealing strip and second sealing strip are the rubber material, set up the surface of first sealing strip and second sealing strip and pipeline like this and closely laminate and form and collect the cover.
The utility model discloses further improvement lies in, the round hole has all been seted up on upper junction plate and the lower connecting plate, round hole and slide bar looks adaptation set up the upper junction plate like this and can reciprocate along the slide bar.
The utility model discloses further improvement lies in, the one end and the connecting rod fixed connection of spring, the other end of spring is connected with the lower fixed surface of holding rod, sets up like this and makes the spring during operation more stable, avoids the spring to break away from the slide bar.
The utility model discloses a further improvement lies in, go up the miniature air pump of last surface left side fixedly connected with of arc, the output fixedly connected with connecting pipe of miniature air pump, the one end that miniature air pump was kept away from to the connecting pipe is linked together with the lower surface of last arc, install the check valve on the connecting pipe, the last surface right side fixedly connected with battery of going up the arc sets up the battery like this and supplies power to miniature air pump, and miniature air pump will the external gas send into through the connecting pipe between arc and the lower arc to the gaseous natural gas of storing in the cover that will collect blows off, avoids the natural gas to appear remaining.
The utility model discloses a further improvement lies in, the lower surface mounting of holding rod has the switch, the battery passes through wire and switch and miniature air pump electric connection, the switch passes through wire and miniature air pump electric connection, sets up like this and holds connecting rod and holding rod messenger and go up the arc and separate the back with lower arc, the upper surface extrusion switch of connecting rod this moment, the start-up of the miniature air pump of control of being convenient for.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. make upper junction plate and lower connecting plate separation through holding connecting rod and holding rod, then will go up the arc and move the pipeline department of suspected leakage with lower arc and loosen the holding rod, the restoring force through the spring makes and goes up arc and lower arc fixed connection on the pipeline this moment, and gas passes through the bleeder vent and gets into in the detector when the pipeline takes place to leak to avoid the natural gas after leaking to reduce concentration under the influence of external wind-force, improve the accuracy of testing result.
2. Through holding the connecting rod and holding the pole messenger go up the arc and arc separation back down, the upper surface extrusion switch of connecting rod this moment, the battery supplies power to miniature air pump this moment, and miniature air pump sends into the external gas through the connecting pipe and goes up between arc and the lower arc to will collect the gaseous blowing away of the natural gas of storing in the cover, avoid the natural gas to appear remaining, make the device remove the testing result of back next time along natural gas line more accurate.
Drawings
Fig. 1 is the utility model relates to a natural gas transmission line gas leakage detection device's overall structure schematic diagram.
Fig. 2 is a schematic view of the structure of the gas leakage detecting device for the natural gas pipeline according to the present invention.
Fig. 3 is an enlarged schematic structural diagram of a point a in fig. 1 of the gas leakage detecting device for a natural gas conveying pipeline of the present invention.
Fig. 4 is the utility model relates to a gas transmission pipeline gas leakage detection device's last arc's structural schematic diagram.
Fig. 5 is the utility model discloses a gas transmission pipeline gas leakage detection device's lower arc's structural schematic diagram.
In the figure: 1. an upper arc plate; 2. a lower arc-shaped plate; 3. a detector; 4. air holes are formed; 5. a first seal strip; 6. an upper connecting plate; 7. a lower connecting plate; 8. a second seal strip; 9. a vertical rod; 10. a connecting rod; 11. a holding rod; 12. a slide bar; 13. a nut; 14. a spring; 15. a circular hole; 16. a micro air pump; 17. a connecting pipe; 18. a one-way valve; 19. a storage battery; 20. and (4) switching.
Detailed Description
In order to make the technical means, the creation features, the achievement objects and the functions of the present invention easy to understand, in the description of the present invention, it is to be noted that the directions or the positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus cannot be construed as a limitation of the present invention. Furthermore, the terms "a," "an," "two," and "three" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be further described with reference to the following detailed description.
Example 1
As shown in figures 1-5, a gas leakage detection device for a natural gas conveying pipeline comprises an upper arc-shaped plate 1, a lower arc-shaped plate 2 and a detector 3, wherein the detector 3 is arranged on the upper surface of the upper arc-shaped plate 1, the inner top wall of the upper arc-shaped plate 1 is provided with a vent hole 4, the vent hole 4 is communicated with the detector 3, the left end and the right end of one side, close to the upper arc-shaped plate 1 and the lower arc-shaped plate 2, of the upper arc-shaped plate 1 are fixedly connected with a first sealing strip 5, the front side and the back side of the lower arc-shaped plate 2 are respectively fixedly connected with two upper connecting plates 6 and two lower connecting plates 7, one side, close to the upper connecting plates 6 and the lower connecting plates 7, of the upper connecting plates 6 is fixedly connected with a second sealing strip 8, the first sealing strip 5 and the second sealing strip 8 are integrally formed, the first sealing strip 5 and the second sealing strip 8 are made of rubber materials, the left side and the right side of the upper surface of the upper connecting plate 6 are fixedly connected with a vertical rod 9, the top end of the vertical rod 9 is fixedly connected with a connecting rod 10, the top of connecting rod 10 is provided with holding rod 11, the equal fixedly connected with slide bar 12 in the left and right sides of holding rod 11 lower surface, connecting rod 10 is run through in proper order to the bottom of slide bar 12, upper junction plate 6 and lower connecting plate 7 and threaded connection have a nut 13, round hole 15 has all been seted up on upper junction plate 6 and the lower connecting plate 7, round hole 15 and slide bar 12 looks adaptation, the surface cover of slide bar 12 is equipped with spring 14, spring 14's one end and connecting rod 10 fixed connection, spring 14's the other end and holding rod 11's lower fixed surface are connected.
The embodiment can realize that: the upper arc-shaped plate 1 and the lower arc-shaped plate 2 are placed on the outer surface of a pipeline, the bottom end of a sliding rod 12 penetrates through a lower connecting plate 7 and is locked with a nut 13, then a connecting rod 10 and a holding rod 11 are held and exert force, at the moment, the connecting rod 10 slides upwards along the sliding rod 12 and compresses a spring 14, the connecting rod 10 can drive a vertical rod 9 and an upper connecting plate 6 to be separated from the lower connecting plate 7 in the moving process, then the upper arc-shaped plate 1 and the lower arc-shaped plate 2 move to the pipeline suspected to be leaked, the holding rod 11 is loosened, at the moment, the upper connecting plate 6 and the lower connecting plate 7 are attached together through the restoring force of the spring 14, the upper arc-shaped plate 1 and the lower arc-shaped plate 2 are fixedly connected onto the pipeline, at the moment, a collecting cover is formed by closely attaching a first sealing strip 5 and a second sealing strip 8 to the outer surface of the pipeline, when the pipeline leaks, gas enters a detector 3 through a vent hole 4, and therefore the leaked natural gas is prevented from being reduced in concentration under the influence of external wind force, the accuracy of the detection result is improved.
Example 2
As shown in fig. 1-5, a gas leakage detecting device for a natural gas conveying pipeline comprises an upper arc-shaped plate 1, a lower arc-shaped plate 2 and a detector 3, wherein the detector 3 is installed on the upper surface of the upper arc-shaped plate 1, a gas vent 4 is formed on the inner top wall of the upper arc-shaped plate 1, a micro air pump 16 is fixedly connected to the left side of the upper surface of the upper arc-shaped plate 1, a connecting pipe 17 is fixedly connected to the output end of the micro air pump 16, one end of the connecting pipe 17 away from the micro air pump 16 is communicated with the lower surface of the upper arc-shaped plate 1, a one-way valve 18 is installed on the connecting pipe 17, a storage battery 19 is fixedly connected to the right side of the upper surface of the upper arc-shaped plate 1, a switch 20 is installed on the lower surface of a holding rod 11, the storage battery 19 is electrically connected with the switch 20 and the micro air pump 16 through a wire, the switch 20 is electrically connected with the micro air pump 16 through a wire, the gas vent 4 is communicated with the detector 3, a first sealing strip 5 is fixedly connected to the left end and a right end of one side of the upper arc-shaped plate 1 and the lower arc-shaped plate 2, the front side and the rear side of the upper arc-shaped plate 1 and the lower arc-shaped plate 2 are respectively fixedly connected with two upper connecting plates 6 and two lower connecting plates 7, one side of the upper connecting plate 6 close to the lower connecting plates 7 is fixedly connected with a second sealing strip 8, the first sealing strip 5 and the second sealing strip 8 are integrally formed, the first sealing strip 5 and the second sealing strip 8 are both made of rubber materials, the left side and the right side of the upper surface of the upper connecting plate 6 are both fixedly connected with vertical rods 9, the top end of the vertical rod 9 is fixedly connected with a connecting rod 10, a holding rod 11 is arranged above the connecting rod 10, the left side and the right side of the lower surface of the holding rod 11 are both fixedly connected with sliding rods 12, the bottom ends of the sliding rods 12 sequentially penetrate through the connecting rod 10, the upper connecting plate 6 and the lower connecting plate 7 and are in threaded connection with nuts 13, the upper connecting plate 6 and the lower connecting plate 7 are both provided with round holes 15, the round holes 15 are matched with the sliding rods 12, and the outer surface of the sliding rods 12 is sleeved with springs 14, one end of the spring 14 is fixedly connected with the connecting rod 10, and the other end of the spring 14 is fixedly connected with the lower surface of the holding rod 11.
The embodiment can realize that: after the connecting rod 10 and the holding rod 11 are held to separate the upper arc plate 1 from the lower arc plate 2, the upper surface of the connecting rod 10 extrudes the switch 20, the storage battery 19 supplies power to the miniature air pump 16, the miniature air pump 16 sends external gas into the space between the upper arc plate 1 and the lower arc plate 2 through the connecting pipe 17, and therefore natural gas stored in the collecting cover is blown away, natural gas is prevented from being remained, and the device is enabled to be more accurate in detection result next time after moving along a natural gas pipeline.
It should be noted that, the utility model relates to a natural gas conveying pipeline gas leakage detection device, when using, place upper arc 1 and lower arc 2 to the surface of pipeline, make the bottom of slide bar 12 run through lower connecting plate 7 and lock with nut 13, then hold connecting rod 10 and holding rod 11 and exert oneself, connecting rod 10 slides upwards along slide bar 12 and compresses spring 14 at this moment, connecting rod 10 can drive montant 9 and upper junction plate 6 and lower connecting plate 7 to separate in the course of moving, then move upper arc 1 and lower arc 2 to the pipeline of suspected leakage and loosen holding rod 11, make upper junction plate 6 and lower connecting plate 7 paste together through the restoring force of spring 14 at this moment, thus connect upper arc 1 and lower arc 2 fixed connection on the pipeline, at this moment first sealing strip 5 and second sealing strip 8 closely laminate with the surface of pipeline and form and collect the cover, when the pipeline takes place to leak, the gas passes through in the bleeder vent 4 gets into detector 3, thereby avoid the natural gas after the leakage to reduce concentration under the influence of external wind-force, improve the accuracy of testing result, and hold connecting rod 10 and holding rod 11 and make arc 1 and lower arc 2 after-separating, the upper surface extrusion switch 20 of connecting rod 10 this moment, battery 19 supplies power to miniature air pump 16 this moment, miniature air pump 16 sends external gas into through connecting pipe 17 between arc 1 and the lower arc 2, thereby will collect the gaseous natural gas of storing in the cover and blow off, avoid the natural gas to appear remaining, make the device remove the next testing result after along natural gas pipeline more accurate.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a natural gas transmission pipeline gas leakage detection device, includes arc (1), lower arc (2) and detector (3), its characterized in that: the detector (3) is arranged on the upper surface of the upper arc-shaped plate (1), the inner top wall of the upper arc-shaped plate (1) is provided with air holes (4), the air holes (4) are communicated with the detector (3), the left end and the right end of one side, close to the upper arc-shaped plate (1) and the lower arc-shaped plate (2), of the upper arc-shaped plate (1) and the lower arc-shaped plate (2) are respectively and fixedly connected with two upper connecting plates (6) and two lower connecting plates (7), the side, close to the upper connecting plates (6) and the lower connecting plates (7), of the upper connecting plates (6) is respectively and fixedly connected with a second sealing strip (8), the left side and the right side of the upper surface of the upper connecting plates (6) are respectively and fixedly connected with vertical rods (9), the top end of the vertical rods (9) is fixedly connected with a connecting rod (10), a holding rod (11) is arranged above the connecting rod (10), the equal fixedly connected with slide bar (12) in the left and right sides of holding rod (11) lower surface, the bottom of slide bar (12) runs through connecting rod (10), upper junction plate (6) and lower connecting plate (7) and threaded connection have nut (13) in proper order, the surface cover of slide bar (12) is equipped with spring (14).
2. The natural gas transmission pipeline air leakage detection device according to claim 1, characterized in that: the sealing device is characterized in that the first sealing strip (5) and the second sealing strip (8) are integrally formed, and the first sealing strip (5) and the second sealing strip (8) are both made of rubber.
3. The natural gas transmission pipeline gas leakage detection device according to claim 1, wherein: round holes (15) are formed in the upper connecting plate (6) and the lower connecting plate (7), and the round holes (15) are matched with the sliding rods (12).
4. The natural gas transmission pipeline gas leakage detection device according to claim 1, wherein: one end of the spring (14) is fixedly connected with the connecting rod (10), and the other end of the spring (14) is fixedly connected with the lower surface of the holding rod (11).
5. The natural gas transmission pipeline gas leakage detection device according to claim 1, wherein: go up the miniature air pump (16) of upper surface left side fixedly connected with of arc (1), the output fixedly connected with connecting pipe (17) of miniature air pump (16), the one end that miniature air pump (16) were kept away from in connecting pipe (17) is linked together with the lower surface of last arc (1), install check valve (18) on connecting pipe (17), go up the upper surface right side fixedly connected with battery (19) of arc (1).
6. The natural gas transmission pipeline gas leakage detection device according to claim 5, wherein: the lower surface of the holding rod (11) is provided with a switch (20), the storage battery (19) is electrically connected with the switch (20) and the micro air pump (16) through a conducting wire, and the switch (20) is electrically connected with the micro air pump (16) through a conducting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220791338.3U CN217235319U (en) | 2022-04-07 | 2022-04-07 | Natural gas transmission pipeline gas leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220791338.3U CN217235319U (en) | 2022-04-07 | 2022-04-07 | Natural gas transmission pipeline gas leakage detection device |
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| Publication Number | Publication Date |
|---|---|
| CN217235319U true CN217235319U (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220791338.3U Expired - Fee Related CN217235319U (en) | 2022-04-07 | 2022-04-07 | Natural gas transmission pipeline gas leakage detection device |
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| CN (1) | CN217235319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116593783A (en) * | 2023-07-18 | 2023-08-15 | 广州森弘信息科技有限公司 | High-voltage cable insulation resistance detection device and detection method |
-
2022
- 2022-04-07 CN CN202220791338.3U patent/CN217235319U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116593783A (en) * | 2023-07-18 | 2023-08-15 | 广州森弘信息科技有限公司 | High-voltage cable insulation resistance detection device and detection method |
| CN116593783B (en) * | 2023-07-18 | 2023-10-17 | 广东腾锋电力建设有限公司 | High-voltage cable insulation resistance detection device and detection method |
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Granted publication date: 20220819 |
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| CF01 | Termination of patent right due to non-payment of annual fee |