CN218002849U - Natural gas line leakproofness detection device - Google Patents
Natural gas line leakproofness detection device Download PDFInfo
- Publication number
- CN218002849U CN218002849U CN202221939836.4U CN202221939836U CN218002849U CN 218002849 U CN218002849 U CN 218002849U CN 202221939836 U CN202221939836 U CN 202221939836U CN 218002849 U CN218002849 U CN 218002849U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- butt joint
- pipe
- joint pipe
- threaded connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 239000003345 natural gas Substances 0.000 title claims abstract description 22
- 210000001503 joint Anatomy 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 2
- 239000007789 gas Substances 0.000 abstract description 19
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 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
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a natural gas line leakproofness detection device, including first pipeline and second pipeline, first pipeline right side threaded connection has the pipe connection spare, pipe connection spare right side threaded connection has the second pipeline, first pipeline left side threaded connection has the intake pipe, the intake pipe top runs through and threaded connection has the valve, the inside threaded connection in second pipeline right side has first butt joint pipe, first butt joint pipe right side threaded connection has the second butt joint pipe, second butt joint pipe right side threaded connection has the connecting pipe, connecting pipe right side fixedly connected with pressure sensor. The utility model discloses in, through intake pipe, valve and pressure sensor's cooperation work, being detected the gas pressure in the terminal real-time measurement pipeline of pipeline, the pressure display value through pressure sensor detects the pipeline gas tightness, and this detection method is simple and easy, and the error is less, and the accuracy is higher.
Description
Technical Field
The utility model relates to a pipeline inspection technical field especially relates to a natural gas line leakproofness detection device.
Background
The natural gas pipeline refers to a pipeline for conveying natural gas from an exploitation place or a processing plant to an urban distribution center or an industrial enterprise user, and in order to ensure the tightness of the gas pipeline, the airtightness of the gas pipeline needs to be detected regularly, so that a natural gas pipeline airtightness detection device is needed.
The existing natural gas pipeline air tightness detection device usually adopts a detection instrument connected with a detection head to detect, but when the detection head is used for detecting a pipeline, a sealed space cannot be formed between the detection head and the pipeline, the detection effect is poor, and meanwhile, when the space is narrow, the detection result of the detection instrument is not easy to view.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the natural gas line leakproofness detection device who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a natural gas line leakproofness detection device, includes first pipeline and second pipeline, first pipeline right side threaded connection has the pipe connection spare, pipe connection spare right side threaded connection has the second pipeline, first pipeline left side threaded connection has the intake pipe, first pipeline is provided with sealed rubber ring with intake-tube connection department, intake pipe top runs through and threaded connection has the valve, the inside threaded connection in second pipeline right side has first butt joint pipe, first butt joint pipe right side threaded connection has the second butt joint pipe, the equal fixedly connected with rigidity supporter in first butt joint pipe right side outer lane and second butt joint pipe right side outer lane and joint washer, the rigidity supporter evenly runs through with the joint washer has the connecting hole, the even fixedly connected with annular of first butt joint pipe outer wall and second butt joint pipe outer wall is protruding, the annular arch is kept away from the sealed pad of the one end fixedly connected with of first butt joint pipe and second butt joint pipe, be provided with annular clamping groove between the annular arch is adjacent, the even fixedly connected with joint portion of annular clamping groove and first butt joint pipe and second butt joint pipe connection department, be provided with spacing portion between the joint pipe right side fixedly connected with pressure sensor.
As a further description of the above technical solution:
the air inlet pipe is sealed at the position penetrated by the valve.
As a further description of the above technical solution:
first butt joint pipe right side outer wall from a left side right side fixedly connected with rigidity supporter and connection gasket in proper order, second butt joint pipe left side outer wall from a left side right side fixedly connected with connection gasket and rigidity supporter in proper order.
As a further description of the above technical solution:
the first pair of connecting pipes and the second pair of connecting pipes are matched and are in threaded connection through connecting holes.
As a further description of the above technical solution:
the clamping portion is matched with the annular clamping groove, and the limiting portion is matched with the annular protrusion.
As a further description of the above technical solution:
the structure of the inner wall on the left side of the connecting pipe is the same as that of the inner wall on the right side of the second pipeline.
As a further description of the above technical solution:
the rigid support body and the connecting gasket are annular sheets.
The utility model discloses following beneficial effect has:
1. the utility model discloses in, at first through intake pipe, valve and pressure sensor's cooperation work, being detected the gas pressure in the terminal real-time measurement pipeline of pipeline, the pressure display value through pressure sensor detects the pipeline gas tightness, and this detection method is simple and easy, and the error is less, and the accuracy is higher.
2. The utility model discloses in, the cooperation through connecting hole, rigidity supporter and connecting washer is connected first butt joint pipe and second butt joint pipe and is assembled into a sealing connection structure, and sealing gasket and sealing strip of sealing connection structure can make first butt joint pipe and second pipeline and second butt joint pipe and form the sealing connection state when being connected with the connecting pipe, can not produce the error to the testing result.
Drawings
Fig. 1 is a perspective view of a device for detecting the tightness of a natural gas pipeline according to the present invention;
fig. 2 is a structural diagram of a sealing connector of a device for detecting the tightness of a natural gas pipeline according to the present invention;
fig. 3 is the utility model provides a connection structure section schematic diagram of natural gas line leakproofness detection device.
Illustration of the drawings:
1. a first conduit; 2. a second conduit; 3. a pipe connection; 4. sealing the rubber ring; 5. an air inlet pipe; 6. A valve; 7. a rigid support; 8. a connection washer; 9. connecting holes; 10 a first butt joint pipe; 11. a second pair of adapter tubes; 12. an annular projection; 13. an annular clamp groove; 14. a gasket; 15. a sealing strip; 16. a clamping part; 17. a limiting part; 18. a connecting pipe; 19. a pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a natural gas pipeline tightness detection device comprises a first pipeline 1 and a second pipeline 2, a pipeline connecting piece 3 is connected to the right side of the first pipeline 1 in a threaded mode, the second pipeline 2 is connected to the right side of the pipeline connecting piece 3 in a threaded mode, an air inlet pipe 5 is connected to the left side of the first pipeline 1 in a threaded mode, a sealing rubber ring 4 is arranged at the joint of the first pipeline 1 and the air inlet pipe 5, a valve 6 penetrates through the top of the air inlet pipe 5 in a threaded mode, air is conveyed inside the first pipeline 1 through the air inlet pipe 5, the sealing rubber ring 4 can prevent air leakage, meanwhile air is conveyed and blocked through the valve 6, a first butt joint pipe 10 is connected to the right side of the second pipeline 2 in a threaded mode, a second butt joint pipe 11 is connected to the right side of the first butt joint pipe 10 in a threaded mode, a rigid support body 7 and a connecting gasket 8 are fixedly connected to the outer ring of the right side of the first butt joint pipe 10 and the right side of the second butt joint pipe 11 through the connecting gasket 8, the rigid support body 7 is fixedly connected with the connecting gasket 8, a connecting gasket 12 is connected to the annular joint pipe 10 and a sealing strip 12 which is arranged between the second butt joint 11 and the connecting groove 12, the detection method is simple and easy, and has small error and high accuracy, and the detection method is simple and easy to implement, and has the advantages that the detection result is free from error, the right inner wall of the second pipeline 2 is uniformly and fixedly connected with the clamping parts 16, the adjacent clamping parts 16 are provided with the limiting parts 17, the pipelines can be connected more tightly by matching the clamping parts 16 with the annular clamping grooves 13 and matching the limiting parts 17 with the annular bulges 12, the error conditions such as air leakage and the like are prevented, the right side of the second butt joint pipe 11 is in threaded connection with the connecting pipe 18, the right side of the connecting pipe 18 is fixedly connected with the pressure sensor 19, the pressure sensor 19 can be connected with the second pipeline 2 by the connecting pipe 18, gas is input into the first pipeline 2 and sequentially passes through the second pipeline 2 and the connecting pipe 18, the pressure sensor 19 measures the gas pressure in the pipeline in real time, when the value of the pressure sensor 19 reaches a number, the gas is stopped being conveyed, the display value of the pressure sensor 19 is observed, if the display value is not changed, the air tightness of the pipeline is good, and the air leakage is indicated if the display value is gradually reduced.
The working principle is as follows: when the gas tightness of the natural gas pipeline needs to be detected, the structures of all parts are assembled firstly, the left side of a first pipeline 1 is connected with an air inlet pipe 5 in a sealing mode, the right side of a second pipeline 2 is connected with the left side of a first butt joint pipe 10 in a sealing mode through threads, the right side of the first butt joint pipe 10 is connected with the left side of a second butt joint pipe 11 in a sealing mode through threads, the right side of the second butt joint pipe 11 is connected with a connecting pipe 18 in a sealing mode through threads, a pressure sensor 19 is fixedly connected to the right side of the connecting pipe 18, then a valve 6 is opened to input gas into the first pipeline 1 through the air inlet pipe 5, the gas sequentially passes through the second pipeline 2 and the connecting pipe 18, the pressure sensor 19 measures the gas pressure in the pipeline in real time at the tail end, when the value of the pressure sensor 19 reaches a number, the valve 6 is closed to stop gas conveying, then the displayed value of the pressure sensor 19 is observed, if the displayed value is not changed, the gas tightness of the pipeline is good, if the displayed value is gradually reduced, the gas tightness of the pipeline is poor, the gas leakage of the pipeline, the gas leakage of the pipeline, the detection method is simple and easy to implement, and the method is easy to achieve, and high accuracy.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. A natural gas pipeline leakproofness detection device, includes first pipeline (1) and second pipeline (2), its characterized in that: the right side of the first pipeline (1) is in threaded connection with a pipeline connecting piece (3), the right side of the pipeline connecting piece (3) is in threaded connection with a second pipeline (2), the left side of the first pipeline (1) is in threaded connection with an air inlet pipe (5), a sealing rubber ring (4) is arranged at the joint of the first pipeline (1) and the air inlet pipe (5), the top of the air inlet pipe (5) is in penetrating connection with a valve (6) in a threaded manner, a first butt joint pipe (10) is in threaded connection with the right side of the second pipeline (2), a second butt joint pipe (11) is in threaded connection with the right side of the first butt joint pipe (10), a rigid support body (7) and a connecting gasket (8) are fixedly connected to the outer ring of the right side of the first butt joint pipe (10) and the outer ring of the second butt joint pipe (11), a connecting hole (9) is uniformly penetrated through the rigid support body (7) and the connecting gasket (8), an annular bulge (12) is uniformly and fixedly connected to the outer walls of the first butt joint pipe (10) and the second butt joint pipe (11), an annular bulge (12) is fixedly connected to an annular bulge (13) is arranged between the annular bulge (12) and a clamping groove (13), the uniform and fixedly connected with joint portion (16) of second pipeline (2) right side inner wall, joint portion (16) are provided with spacing portion (17) between adjacent, second is to taking over (11) right side threaded connection having connecting pipe (18), connecting pipe (18) right side fixedly connected with pressure sensor (19).
2. The natural gas pipeline tightness detection device according to claim 1, wherein: the air inlet pipe (5) is sealed at the penetrating part of the valve (6).
3. The natural gas pipeline tightness detection device according to claim 1, wherein: first butt joint pipe (10) right side outer wall from a left side right side fixedly connected with rigidity supporter (7) and connection packing ring (8) in proper order, second butt joint pipe (11) left side outer wall from a left side right side fixedly connected with connection packing ring (8) and rigidity supporter (7) in proper order.
4. The natural gas pipeline tightness detection device according to claim 1, wherein: the first butt joint pipe (10) and the second butt joint pipe (11) are matched and are in threaded connection through the connecting hole (9).
5. The natural gas pipeline tightness detection device according to claim 1, wherein: the clamping portion (16) is matched with the annular clamping groove (13), and the limiting portion (17) is matched with the annular protrusion (12).
6. The natural gas pipeline tightness detection device according to claim 1, wherein: the structure of the inner wall of the left side of the connecting pipe (18) is the same as that of the inner wall of the right side of the second pipeline (2).
7. The natural gas pipeline tightness detection device according to claim 1, wherein: the rigid support body (7) and the connecting gasket (8) are annular sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221939836.4U CN218002849U (en) | 2022-07-26 | 2022-07-26 | Natural gas line leakproofness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221939836.4U CN218002849U (en) | 2022-07-26 | 2022-07-26 | Natural gas line leakproofness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218002849U true CN218002849U (en) | 2022-12-09 |
Family
ID=84315960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221939836.4U Active CN218002849U (en) | 2022-07-26 | 2022-07-26 | Natural gas line leakproofness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218002849U (en) |
-
2022
- 2022-07-26 CN CN202221939836.4U patent/CN218002849U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218002849U (en) | Natural gas line leakproofness detection device | |
| CN205940907U (en) | A gas tightness inspection device for bellows | |
| CN215448356U (en) | Sealing performance detection device for sealing joint | |
| CN113465843A (en) | Equipment and method for detecting tightness of ship pipeline system | |
| CN117589393A (en) | Building pipeline sealing detection device | |
| CN207923388U (en) | A kind of heat pipe air-tightness detection device | |
| CN202057465U (en) | Airtightness detection device for vaporizer | |
| CN212721964U (en) | Gas pipeline sealing detection device with scale | |
| CN209570307U (en) | It is a kind of for detecting the air pressure monitor station of standard position air-tightness | |
| CN210269073U (en) | Tube bundle sealing detection device | |
| CN216483748U (en) | Gas leakage detection device | |
| CN221685803U (en) | Device leak detection device and device leak detection system | |
| CN222951898U (en) | A high-efficiency vacuum measuring instrument | |
| CN218823046U (en) | Composite hose gas tightness detection device | |
| CN221685824U (en) | A multi-channel negative pressure pipeline detection device | |
| CN221992948U (en) | Detection device for pipeline welding | |
| CN206399610U (en) | Quick positive pressure leak detection device | |
| CN222823921U (en) | A self-checking stainless steel corrugated hose for gas transportation | |
| CN220851152U (en) | Fluid pipeline installation joint | |
| CN220356612U (en) | Pipeline joint sealing detection device | |
| CN211449953U (en) | Improved generation gas filled joint | |
| CN217331531U (en) | Channel sealing detection device | |
| CN222280073U (en) | Seal detection device | |
| CN214149676U (en) | Manometer fixed establishment and testing arrangement | |
| CN214309353U (en) | Pump station pipeline leak source detection device for tap water transportation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |