CN207049626U - Pipeline gas leak detection device - Google Patents
Pipeline gas leak detection device Download PDFInfo
- Publication number
- CN207049626U CN207049626U CN201720874520.4U CN201720874520U CN207049626U CN 207049626 U CN207049626 U CN 207049626U CN 201720874520 U CN201720874520 U CN 201720874520U CN 207049626 U CN207049626 U CN 207049626U
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- Prior art keywords
- plate
- external seal
- connecting plate
- sliding
- detection device
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Abstract
The utility model discloses LNG pipeline gas leak detection device, including the first external seal plate and the second external seal plate, the both ends of the first external seal plate and the second external seal plate are respectively equipped with the first connecting plate and the second connecting plate, tie down screw is provided between first connecting plate and the second connecting plate, pipeline body is provided between the first external seal plate and the second external seal plate, limiting plate is provided with the pipeline body, the lateral wall of the limiting plate is arranged with two stopper slots, gag lever post is equipped with two stopper slots, the both ends of the gag lever post side wall relative with stopper slot is fixedly connected, two the first sliding shoes and two the second sliding shoes are respectively sleeved on two gag lever posts, first sliding shoe runs through stopper slot with the second sliding shoe.The pipeline gas leak detection device is simple to operate, and sealing is high, avoids the influence of extraneous air, the degree of accuracy of the testing result of raising.
Description
Technical field
It the utility model is related to LNG Technology field, more particularly to pipeline gas leak detection device.
Background technology
Liquefied natural gas, main component are methane, and it is the energy most clean on the earth to be recognized, it is colourless, tasteless, nontoxic and
Non-corrosiveness, its volume are about the 1/625 of same amount gaseous natural gas volume, and the weight of liquefied natural gas is only androgynous ponding
45% or so, its manufacturing process is the natural gas purification processing for first producing gas field, after the liquefaction of a succession of ultralow temperature, utilizes liquid
Change natural gas boat to transport, it is very small to air pollution after liquefied natural gas burning, and also liberated heat is big, so liquefaction is natural
Gas is a kind of more advanced energy, liquefied natural gas be natural gas is compressed, be cooled to its boiling temperature after become liquid, lead to
Normal LNG storage is in subzero 161.5 degrees Celsius, 0.1MPa or so low-temperature storage tank, and liquefied natural gas is mainly
Conveyed by pipeline, much time using, the phenomenon that pipeline can be caused to leak air, to LNG pipeline gas leakage
What maintenance also showed is even more important.Existing pipeline gas leak detection device detection process is cumbersome, and device sealing is not high, meeting
Promote extraneous air to enter, influence testing result, cause testing result to lack accuracy, these problems are all urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to solve the problem of cumbersome in the prior art, sealing is not high, and is proposed
Pipeline gas leak detection device.
To achieve these goals, the utility model employs following technical scheme：
Pipeline gas leak detection device, including the first external seal plate and the second external seal plate, the first external seal plate and
The both ends of two external seal plates are respectively equipped with the first connecting plate and the second connecting plate, between first connecting plate and the second connecting plate
Provided with tie down screw, pipeline body is provided between the first external seal plate and the second external seal plate, is set in the pipeline body
Limited location plate, the lateral wall of the limiting plate are arranged with two stopper slots, are equipped with gag lever post in two stopper slots, institute
The both ends side wall relative with stopper slot for stating gag lever post is fixedly connected, and two first are respectively sleeved on two gag lever posts
Sliding shoe and two the second sliding shoes, first sliding shoe run through stopper slot with the second sliding shoe, and two described first slide
Between motion block, retractor device is equipped between two the second sliding shoes, the internal symmetry of the pipeline body is provided with two rotating shafts,
The first inner sealing plate and the second inner sealing plate, first inner sealing plate and the second inner sealing plate are equipped with two rotating shafts
Relative side is respectively equipped with the first chute and the second chute, and the first slip is respectively equipped with first chute and the second chute
Bar and the second sliding bar, the first rotating bar and the second rotating bar are respectively sleeved on first sliding bar and the second sliding bar,
One end of first rotating bar is rotatablely connected through the first chute and with the first sliding shoe, and one end of second rotating bar is passed through
Wear the second chute and be rotatablely connected with the second sliding shoe, running through in the first external seal plate has escape pipe, the escape pipe
Upper end is provided with balloon.
Preferably, first connecting plate is with being equipped with screw corresponding with tie down screw, two institutes on the second connecting plate
State and screw thread in opposite direction is provided with screw, the both ends of the tie down screw extend through two screws, and tie down screw and the
One connecting plate, the second connecting plate are threaded connection.
Preferably, first connecting plate side relative with the second connecting plate is equipped with rubber slab.
Preferably, the first external seal plate side relative with the second external seal plate is equipped with rubber slab.
Preferably, the retractor device is electric expansion bar, and the outer sheath of the electric expansion bar is provided with spring.
Preferably, the described one end of first inner sealing plate and the second inner sealing plate away from rotating shaft is equipped with rubber slab.
Preferably, the both ends of first sliding bar side wall relative with the first chute is fixedly connected, and second slides
The both ends of the bar side wall relative with the second chute is fixedly connected.
In the utility model, the pipeline gas leak detection device leads to when needing to carry out LNG pipeline gas leakage detection
Cross the first external seal plate and the second external seal plate is placed on the outside of pipeline body, by rotation lock screw rod, by the first connection
Plate is bonded fixation with the second connecting plate, so that the first external seal plate is bonded with the second external seal plate with pipeline body, ensures pipe
The sealing of road body exterior, is extended by retractor device, and two the first sliding shoes and two the second sliding shoes move to both sides,
The first rotating bar is set, respectively in the first sliding bar with being slided on the second sliding bar, to make the first inner sealing plate and with the second rotating bar
Two inner sealing plates rotate around the axis opening, make the first inner sealing plate and the second inner sealing plate one end and pipeline body away from rotating shaft
Madial wall fitting, ensure that the sealing inside pipeline body, prevent interference of the air to testing result, improve gas leakage inspection
The accuracy of survey, and it is simple to operate, if gas leakage can be observed intuitively by balloon, and balloon is blown afloat, and illustrates pipeline body
Gas leakage, it is on the contrary then air tight.The pipeline gas leak detection device is simple to operate, and sealing is high, avoids the influence of extraneous air,
The degree of accuracy of the testing result of raising.
Brief description of the drawings
Fig. 1 be the utility model proposes pipeline gas leak detection device structural representation；
Fig. 2 be the utility model proposes pipeline gas leak detection device sectional side view；
Fig. 3 be the utility model proposes pipeline gas leak detection device internal structure schematic diagram.
In figure：1 pipeline body, 2 first external seal plates, 3 second external seal plates, 4 first connecting plates, 5 second connecting plates, 6
Tie down screw, 7 balloons, 8 escape pipes, 9 first inner sealing plates, 10 second inner sealing plates, 11 rotating shafts, 12 first sliding bars, 13
Two sliding bars, 14 first rotating bars, 15 first sliding shoes, 16 retractor devices, 17 second rotating bars, 18 the second sliding shoes, 19 limits
Position bar, 20 limiting plates.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-3, pipeline gas leak detection device, including the first external seal plate 2 and the second external seal plate 3, first is close outside
The both ends of the external seal plate 3 of shrouding 2 and second are respectively equipped with the first connecting plate 4 and the second connecting plate 5, the first connecting plate 4 and second
Tie down screw 6 is provided between connecting plate 5, pipeline body 1 is provided between the first external seal plate 2 and the second external seal plate 3, passes through
One external seal plate 2 and the second external seal plate 3 are placed on the outside of pipeline body 1, by rotation lock screw rod 6, by the first connection
Plate 4 is bonded fixation with the second connecting plate 5, so that the first external seal plate 2 is bonded with the second external seal plate 3 with pipeline body 1, protects
The sealing outside pipeline body 1 is demonstrate,proved, is provided with limiting plate 20 in pipeline body 1, the lateral wall of limiting plate 20 is arranged with two
Stopper slot, gag lever post 19 is equipped with two stopper slots, the side wall that the both ends of gag lever post 19 are relative with stopper slot is fixedly connected,
Two the first sliding shoes 15 and two the second sliding shoes 18, the first sliding shoe 15 and second are respectively sleeved on two gag lever posts 19
Sliding shoe 18 runs through stopper slot, and retractor device is equipped between two the first sliding shoes 15, between two the second sliding shoes 18
16, the internal symmetry of pipeline body 1 is provided with two rotating shafts 11, is equipped with two rotating shafts 11 in the first inner sealing plate 9 and second
Sealing plate 10, the first inner sealing plate 9 side relative with the second inner sealing plate 10 are respectively equipped with the first chute and the second chute, the
The first sliding bar 12 and the second sliding bar 13, the first sliding bar 12 and the second sliding bar are respectively equipped with one chute and the second chute
The first rotating bar 14 and the second rotating bar 17 are respectively sleeved on 13, is extended by retractor device 16, two the first sliding shoes 15
Moved with two the second sliding shoes 18 to both sides, make the first rotating bar 14 and the second rotating bar 17 respectively in the first sliding bar 12 and
Slided on second sliding bar 13, the first inner sealing plate 9 and the second inner sealing plate 10 11 is rotated opening around the shaft, make close in first
Shrouding 9 is bonded with the one end of the second inner sealing plate 10 away from rotating shaft 11 with the madial wall of pipeline body 1, ensure that pipeline body 1
Internal sealing, one end of the first rotating bar 14 are rotatablely connected through the first chute and with the first sliding shoe 15, and second rotates
One end of bar 17 is rotatablely connected through the second chute and with the second sliding shoe 18, and running through in the first external seal plate 2 has escape pipe 8,
The upper end of escape pipe 8 is provided with balloon 7, can intuitively observe gas leakage situation by balloon 7, balloon 7 is blown afloat, and illustrates pipeline sheet
The gas leakage of body 1, it is on the contrary then air tight.
In the utility model, the first connecting plate 4 be equipped with the second connecting plate 5 with 6 corresponding screw of tie down screw, two
Screw thread in opposite direction is provided with individual screw, the both ends of tie down screw 6 extend through two screws, and tie down screw 6 and first
Connecting plate 4, the second connecting plate 5 are threaded connection, and the first connecting plate 4 side relative with the second connecting plate 5 is equipped with rubber
Plate, sealing is improved, the first external seal plate 2 side relative with the second external seal plate 3 is equipped with rubber slab, and retractor device 16 is
Electric expansion bar, the outer sheath of electric expansion bar are provided with spring, can be automatically brought into operation, and are subtracted during elongation shortening by spring
Shake buffering, the first inner sealing plate 9 and second one end of inner sealing plate 10 away from rotating shaft 11 are equipped with rubber slab, improve sealing effect
Fruit, the side wall that the both ends of the first sliding bar 12 are relative with the first chute are fixedly connected, and the both ends of the second sliding bar 13 and the
Relative side wall is fixedly connected in two chutes.
In the utility model, the pipeline gas leak detection device leads to when needing to carry out LNG pipeline gas leakage detection
Cross the first external seal plate 2 and the second external seal plate 3 is placed on the outside of pipeline body 1, by rotation lock screw rod 6, by first
Connecting plate 4 is bonded fixation with the second connecting plate 5, so that the first external seal plate 2 pastes with the second external seal plate 3 with pipeline body 1
Close, ensure the sealing outside pipeline body 1, extended by retractor device 16, two the first sliding shoes 15 and two second cunnings
Motion block 18 moves to both sides, makes the first rotating bar 14 and the second rotating bar 17 respectively in the first sliding bar 12 and the second sliding bar 13
Upper slip, the first inner sealing plate 9 and the second inner sealing plate 10 11 is rotated opening around the shaft, make the first inner sealing plate 9 and second
The one end of inner sealing plate 10 away from rotating shaft 11 is bonded with the madial wall of pipeline body 1, ensure that the sealing inside pipeline body 1
Property, interference of the air to testing result is prevented, improves the accuracy of gas leakage detection, and it is simple to operate, if gas leakage passes through gas
Ball 7 can be observed intuitively, and balloon 7 is blown afloat, and illustrate the gas leakage of pipeline body 1, on the contrary then air tight.Pipeline gas leakage detection dress
Put simple to operate, and sealing is high, avoids the influence of extraneous air, the degree of accuracy of the testing result of raising.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (7)
1. pipeline gas leak detection device, including the first external seal plate（2）With the second external seal plate（3）, it is characterised in that described
One external seal plate（2）With the second external seal plate（3）Both ends be respectively equipped with the first connecting plate（4）With the second connecting plate（5）, it is described
First connecting plate（4）With the second connecting plate（5）Between be provided with tie down screw（6）, the first external seal plate（2）It is close outside with second
Shrouding（3）Between be provided with pipeline body（1）, the pipeline body（1）It is interior to be provided with limiting plate（20）, the limiting plate（20）It is outer
Sidewall symmetry is provided with two stopper slots, and gag lever post is equipped with two stopper slots（19）, the gag lever post（19）Both ends
The side wall relative with stopper slot is fixedly connected, two gag lever posts（19）On be respectively sleeved on two the first sliding shoes（15）
With two the second sliding shoes（18）, first sliding shoe（15）With the second sliding shoe（18）Run through stopper slot, described in two
First sliding shoe（15）Between, two the second sliding shoes（18）Between be equipped with retractor device（16）, the pipeline body（1）'s
Internal symmetry is provided with two rotating shafts（11）, two rotating shafts（11）On be equipped with the first inner sealing plate（9）With the second interior sealing
Plate（10）, first inner sealing plate（9）With the second inner sealing plate（10）Relative side is respectively equipped with the first chute and second
Chute, the first sliding bar is respectively equipped with first chute and the second chute（12）With the second sliding bar（13）, described first
Sliding bar（12）With the second sliding bar（13）On be respectively sleeved on the first rotating bar（14）With the second rotating bar（17）, described first
Rotating bar（14）One end through the first chute and with the first sliding shoe（15）Rotation connection, second rotating bar（17）One
End is through the second chute and and the second sliding shoe（18）Rotation connection, the first external seal plate（2）It is interior through there is escape pipe
（8）, the escape pipe（8）Upper end be provided with balloon（7）.
2. pipeline gas leak detection device according to claim 1, it is characterised in that first connecting plate（4）With second
Connecting plate（5）On be equipped with and tie down screw（6）Corresponding screw, two screws are interior to be provided with screw thread in opposite direction, institute
State tie down screw（6）Both ends extend through two screws, and tie down screw（6）With the first connecting plate（4）, the second connecting plate
（5）It is threaded connection.
3. pipeline gas leak detection device according to claim 1, it is characterised in that first connecting plate（4）With second
Connecting plate（5）Relative side is equipped with rubber slab.
4. pipeline gas leak detection device according to claim 1, it is characterised in that the first external seal plate（2）With
Two external seal plates（3）Relative side is equipped with rubber slab.
5. pipeline gas leak detection device according to claim 1, it is characterised in that the retractor device（16）Stretched to be electronic
Contracting bar, the outer sheath of the electric expansion bar are provided with spring.
6. pipeline gas leak detection device according to claim 1, it is characterised in that first inner sealing plate（9）With
Two inner sealing plates（10）Away from rotating shaft（11）One end be equipped with rubber slab.
7. pipeline gas leak detection device according to claim 1, it is characterised in that first sliding bar（12）Both ends
The side wall relative with the first chute is fixedly connected, and the second sliding bar（13）The both ends side wall relative with the second chute consolidate
Fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720874520.4U CN207049626U (en) | 2017-07-19 | 2017-07-19 | Pipeline gas leak detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720874520.4U CN207049626U (en) | 2017-07-19 | 2017-07-19 | Pipeline gas leak detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049626U true CN207049626U (en) | 2018-02-27 |
Family
ID=61497392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720874520.4U Expired - Fee Related CN207049626U (en) | 2017-07-19 | 2017-07-19 | Pipeline gas leak detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207049626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944223A (en) * | 2021-04-02 | 2021-06-11 | 无锡华润燃气有限公司 | Gas pipeline corrosion degree monitoring devices |
-
2017
- 2017-07-19 CN CN201720874520.4U patent/CN207049626U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944223A (en) * | 2021-04-02 | 2021-06-11 | 无锡华润燃气有限公司 | Gas pipeline corrosion degree monitoring devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |