CN205534817U - Pipeline plugging device - Google Patents
Pipeline plugging device Download PDFInfo
- Publication number
- CN205534817U CN205534817U CN201620219289.0U CN201620219289U CN205534817U CN 205534817 U CN205534817 U CN 205534817U CN 201620219289 U CN201620219289 U CN 201620219289U CN 205534817 U CN205534817 U CN 205534817U
- Authority
- CN
- China
- Prior art keywords
- exhaustor
- blocking pipe
- pipeline
- pressing plate
- sealing device
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 96
- 230000000903 blocking effect Effects 0.000 claims description 73
- 230000001737 promoting effect Effects 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 12
- 239000002737 fuel gas Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004899 motility Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000001141 propulsive effect Effects 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 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
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model discloses a pipeline plugging device belongs to oil gas warehousing and transportation field. The pipe plugging device comprises: the exhaust pipe, the sealing device and the fixing device; the exhaust pipe is arranged in the pipeline to be plugged, one end of the exhaust pipe is close to the opening of the pipeline to be plugged, one end of the exhaust pipe, close to the opening of the pipeline to be plugged, is used for connecting a hose, and the exhaust pipe can discharge leaked gas in the pipeline to be plugged through the hose; the sealing device is sleeved at one end of the exhaust pipe, which is far away from the opening of the pipeline to be plugged, and the outer edge of the sealing device is in contact with the pipeline to be plugged and is used for sealing the pipeline to be plugged; the fixing device is sleeved at one end, close to the opening of the pipeline to be plugged, of the exhaust pipe and used for fixing the pipeline plugging device in the pipeline to be plugged. The utility model provides a pipeline plugging device simple structure, the lower problem of pipeline plugging device shutoff efficiency among the correlation technique has been solved in the operation of being convenient for. The utility model is used for the shutoff pipeline.
Description
Technical field
This utility model relates to Oil & Gas Storage field, particularly to a kind of pipeline plug.
Background technology
Pipeline plug is a kind of when keeping in repair oil and gas pipes and safeguarding, for blocking pipe, it is to avoid
The device that in pipeline, fuel gas is revealed.
In correlation technique, pipeline plug is typically by propulsive mechanism, central canal, pressure bladder and nipple group
Becoming, this pressure bladder is socketed on central canal, and the inner side of pressure bladder is provided with multiple pore, and this is interior connects
Head is connected with multiple pores of this pressure bladder by central canal.In use, needing will by propulsive mechanism
Pressure bladder pushes in pipeline, the most again by nipple insufflation gas in pressure bladder, makes this sealing
Airbag inflation, it is achieved with the sealing of this inner-walls of duct.
The structure of the pipeline plug in correlation technique is complicated, operates relatively complicated during use, pipe plugging
Inefficient.
Utility model content
In order to solve pipeline plug operation complexity in correlation technique, block inefficient problem, this practicality
Novel provide a kind of pipeline plug.Described technical scheme is as follows:
This utility model embodiment provides a kind of pipeline plug, and this pipeline plug includes:
Exhaustor, sealing device and fixing device；
Described exhaustor is arranged in treating blocking pipe, the length of described exhaustor be less than described in treat blocking pipe
Length, and one end of described exhaustor near described in treat the opening of blocking pipe, described exhaustor is near institute
Stating the one end of the opening treating blocking pipe for connecting flexible pipe, described exhaustor can treat blocking pipe by described
Interior gas leakage is discharged by described flexible pipe；
Described sealing device is socketed in described exhaustor one end away from the described opening treating blocking pipe, and outward
With described, edge treats that blocking pipe contacts, described sealing device be used for sealing described in treat blocking pipe；
Described fixing device be socketed in described exhaustor near described in treat one end of opening of blocking pipe, described
Fixing device is in treating blocking pipe described in being fixed on by described pipeline plug.
Optionally, this sealing device, including: sealing ring and at least two pressing plate；
This at least two pressing plate is separately positioned on the both sides of this sealing ring, is used for fixing this sealing ring.
Optionally, this fixing device, including: tensioning support and quill；
This quill can slide along the length direction of this exhaustor；
This tensioning support is positioned at this quill one end near this sealing device, and this tensioning support can be at this
Under the promotion of quill, treat the contact internal walls of blocking pipe with this, this pipeline plug is fixed on this and treats
In blocking pipe.
Optionally, this tensioning support includes: fixture, sliding part and at least two support bar；
This fixture and this sliding part are all socketed on this exhaustor, and this fixture is fixing with this exhaustor even
Connecing, this sliding part can slide along near the direction of this sealing device under the promotion of this quill；
One end of this support bar is connected with this fixture, and the other end of this support bar is by connecting rod and this slip
Part connects, when this sliding part is along the direction slip of this sealing device close, and this support bar and this exhaustor
Axis angle constantly increases, until this support bar treats the contact internal walls of blocking pipe with this.
Optionally, this fixing device also includes: lock nut；
This lock nut is arranged on this moving casing side away from this sealing device, is used for promoting this movable sleeve
Pipe slides near the direction of this sealing device.
Optionally, this sealing device includes two pressing plates, and these two pressing plates are disc-shaped structure；
It is arranged on this sealing ring diameter away from the first pressing plate of the side of this fixing device close less than being arranged on this
Seal is near the diameter of the second pressing plate of the side of this fixing device.
Optionally, this sealing device also includes: two bolts；
These two bolts are separately positioned on this first pressing plate side away from this sealing ring, and this second pressing plate
Away from the side of this sealing ring, for this sealing device is fixed on this exhaustor.
Optionally, the thickness of this first pressing plate and this second pressing plate is 4 millimeters, the thickness direction of this pressing plate with
The length direction of this exhaustor is parallel；
Than this, the diameter of this first pressing plate treats that the internal diameter of blocking pipe is short 16 millimeters；The diameter ratio of this second pressing plate
This treats that the internal diameter of blocking pipe is short 10 millimeters.
Optionally, the thickness of this sealing ring is 6 millimeters to 8 millimeters.
Optionally, this sealing ring is rubber cup.
The technical scheme that this utility model embodiment provides has the benefit that
This utility model embodiment provides a kind of pipeline plug, and this pipeline plug includes: exhaustor,
Sealing device and fixing device；This exhaustor leakage gas in blocking pipe is treated in conveying；This sealing fills
Put the one end being socketed in this exhaustor, be used for sealing this and treat blocking pipe；This fixing device is socketed in this aerofluxus
The other end of pipe, for being fixed on this pipeline plug in this treats blocking pipe.The knot of this pipeline plug
Structure is simple, it is simple to operation, and closure efficiency is high.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, embodiment will be described below
The accompanying drawing used required in is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of utility model, for those of ordinary skill in the art, are not paying creative work
On the premise of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of pipeline plug that this utility model embodiment provides；
Fig. 2 is the structural representation of the another kind of pipeline plug that this utility model embodiment provides；
Fig. 3 is the use environment of a kind of pipeline plug that this utility model embodiment provides.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing to this
Utility model embodiment is described in further detail.
Fig. 1 is the structural representation of a kind of pipeline plug that this utility model embodiment provides, such as Fig. 1 institute
Showing, this pipeline plug may include that exhaustor 10, sealing device 20 and fixing device 30.
This exhaustor 10 is arranged in treating blocking pipe (not shown in figure 1), the length of this exhaustor 10
Treat blocking pipe length less than this, and the opening of blocking pipe is treated near this in one end of this exhaustor 10, this row
Trachea 10 near this treat one end of opening of blocking pipe for connecting flexible pipe (not shown in figure 1), this row
This gas leakage treated in blocking pipe can be discharged by trachea 10 by this flexible pipe.
Sealing device 20 is socketed in this exhaustor 10 and treats one end of opening of blocking pipe, and outer rim away from this
Treating that blocking pipe contacts with this, this sealing device 20 is used for sealing this and treats blocking pipe；This fixing device 30
Being socketed in this exhaustor 10 and treat one end of opening of blocking pipe near this, this fixing device 30 was for should
Pipeline plug is fixed in this treats blocking pipe, it is to avoid at pipeline maintenance or during safeguarding, pipeline seals
Stifled device shakes, and affects the sealing of pipeline plug.
In sum, this utility model embodiment provides a kind of pipeline plug, and this pipeline plug includes:
Exhaustor, sealing device and fixing device；This exhaustor leakage gas in blocking pipe is treated in conveying；
This sealing device is socketed in one end of this exhaustor, is used for sealing this and treats blocking pipe；This fixing device is socketed
At the other end of this exhaustor, for this pipeline plug being fixed in this treats blocking pipe.This pipeline seals
The simple in construction of stifled device, it is simple to operation, closure efficiency is high.
Fig. 2 is the structural representation of the another kind of pipeline plug that this utility model embodiment provides, such as Fig. 2
Shown in, this sealing device 20 may include that sealing ring 21 and at least two pressing plate.
This at least two pressing plate is separately positioned on the both sides of this sealing ring 21, is used for fixing this sealing ring 21.Show
Example, as in figure 2 it is shown, this sealing device 20 can include two pressing plates 22 and 23, these two pressing plates
22 and 23 can be disc-shaped structure, wherein, are arranged on this sealing ring 21 away from this fixing device 30
The diameter of the first pressing plate 22 of side is less than being arranged on this sealing ring 21 near the side of this fixing device 30
The diameter of the second pressing plate 23.The thickness of this first pressing plate 22 and this second pressing plate 23 can be 4 millimeters,
This sealing ring 21 can be rubber cup, and rubber cup all has certain elasticity, and sealing effectiveness is preferable, and this is close
The thickness of seal 21 can be 6 millimeters to 8 millimeters, wherein, the thickness direction of this sealing ring and pressing plate all with
The length direction of this exhaustor 10 is parallel.
Fig. 3 is the use environment schematic of a kind of pipeline plug that this utility model embodiment provides, reference
Fig. 3, when this pipeline plug actually used, needs to be pushed to by this sealing device 20 by exhaustor 10
Treating the inside of blocking pipe 00, the side that therefore in Fig. 2, sealing ring 21 contacts with the second pressing plate 23 is stress
Side, arranged by the diameter of this second pressing plate 23 is bigger, it is ensured that sealing ring 21 is obtained in that and effectively props up
Support, and then in may insure that this sealing device can rapidly and effectively be arranged on and treats blocking pipe.
It should be noted that in actual applications, in sealing device, the diameter of sealing ring and pressing plate can basis
Treating that the aperture of blocking pipe is configured, such as, the diameter of this first pressing plate 22 can treat blocking pipe by ratio
Internal diameter is short 16 millimeters, and the diameter of this second pressing plate 23 can be shorter than the internal diameter treating blocking pipe 10 millimeters, close
The diameter of seal 21 is compared with the internal diameter treating blocking pipe, and its magnitude of interference can be 1% to 4%.
Optionally, as in figure 2 it is shown, this fixing device 30 may include that tensioning support 31 and quill
32；This quill 32 can slide along the length direction of this exhaustor 10；
This tensioning support 31 is positioned at this quill 32 near one end of this sealing device 20, this tensioning support
31 can connect with this inwall (not shown in Fig. 2) treating blocking pipe under the promotion of this quill 32
Touch, this pipeline plug is fixed in this treats blocking pipe.
Optionally, as in figure 2 it is shown, this tensioning support 31 specifically may include that fixture 311, sliding part
312 and at least two support bar 313.
This fixture 311 and this sliding part 312 are all socketed on this exhaustor 10, and this fixture 311 with
This fixing connection of exhaustor 10, this sliding part 312 can be along near being somebody's turn to do under the promotion of this quill 32
Slide in the direction of sealing device 20.
One end of this support bar 313 is connected with this fixture 311, and the other end of this support bar 313 is by even
Extension bar 230 is connected with this sliding part 312, at this sliding part 312 along sliding near the direction of this sealing device 20
Time dynamic, this support bar 313 constantly increases with the axis angle of this exhaustor 10, until this support bar 313 and
This treats the contact internal walls of blocking pipe.
It should be noted that in actual applications, the number of this support bar can be according to the reality treating blocking pipe
Border situation is configured, and the number of general support bar is the most, and the stability of pipeline plug is the best, but pipe
The structure of pipeline packer is the most complicated, therefore in this utility model embodiment, and support bar in tensioning support
Number can be 3.
Further, as in figure 2 it is shown, this fixing device 30 can also include: lock nut 33；This locking
Nut 33 is arranged on this moving casing 31 side away from this sealing device 20, is used for promoting this moving casing
31 slide near the direction of this sealing device 20.
In this utility model embodiment, the structure of this tensioning support is similar to umbrella stand with operation principle, works as behaviour
Making personnel when being tightened on exhaustor by lock nut, quill can promote the sliding part edge in tensioning support
Slide near the direction of sealing device so that support bar gradually opens under the promotion of sliding part, until being close to
Treat the inwall of blocking pipe, thus in whole stopper is fixed on treating blocking pipe, and due to this locking
Nut is threaded connection with the external screw thread of setting on exhaustor, it is possible to this quill is played position-limiting action,
Make the contact condition that this support bar can keep and treat blocking pipe inwall, thus ensure that pipeline plug
Stability.
Optionally, this sealing device 20 can also include: two bolts 24；
These two bolts 24 are separately positioned on this first pressing plate 22 side away from this sealing ring 21, and should
Second pressing plate 23 is away from the side of this sealing ring 21, for this sealing device 20 is fixed on this exhaustor 10
On.In this utility model embodiment, the one end this exhaustor being used for be socketed sealing device can be provided with
External screw thread so that these two bolts can be attached by screw thread with exhaustor, it is simple to tearing open of sealing device
Unload and change, improve the use motility of pipeline plug.
When the pipeline plug that the actually used embodiment of the present invention provides, it is necessary first to confirm to treat blocking pipe
Caliber after, and according to this choice of diameter size coupling sealing ring and pressing plate, treat blocking pipe the most again
Carrying out plugging operations, this plugging operations mainly comprises the steps that
(1) pressure release: as it is shown on figure 3, first cut off the pipe treating blocking pipe upstream gas source capsule by operator
Road valve, it is achieved treat the pressure release of blocking pipe.
(2) send into: after pressure release completes, will treat that blocking pipe 00 is opened, detected by instrument and treat closure pipe
Whether there is gas leakage in road 00, if there is gas leakage, then the aerofluxus of sealing device 20 will be installed
Pipe 10 is laterally fed through from the opening part treating blocking pipe 00 to be treated to treat sealing region within blocking pipe 00.
(3) adjust: successively tensioning support, sliding sleeve and lock nut are socketed on exhaustor 10,
Rotate exhaustor 10, adjust the block-up position of sealing device 20, make this sealing device 20 and treat blocking pipe
The inwall of 00 fully seals.
(4) tensioning: precession lock nut, makes quill jacking tensioning support, and tensioning support force opens
After be close to the inwall for the treatment of blocking pipe 00, thus pipeline plug is fixed in this treats blocking pipe 00.
(5) draw: exhaustor 10 is near treating that one end that blocking pipe exports connects exhaust hose, in aerofluxus
Ignite gas leakage in the exit of flexible pipe.
(6) deblocking: after the maintenance of blocking pipe or upkeep operation (i.e. fire operation) complete, unload successively
Under soft bar and fixing device, by pipeline plug take out.
The caliber that the pipeline plug that this utility model embodiment provides is suitable for may range from DN100 (i.e.
Nominal diameter is 100 millimeters) to the pipeline of DN500, pressure-bearing less than 0.3 MPa, Jie that can block
Matter can be fuel gas, crude oil, light oil, water and hydrogen sulfide etc., the scope of application of this pipeline plug
Extensively, use motility high.
In sum, this utility model embodiment provides a kind of pipeline plug, and this pipeline plug includes:
Exhaustor, sealing device and fixing device；This exhaustor gas in conveyance conduit；This sealing device
It is socketed in one end of this exhaustor, is used for sealing this pipeline；This fixing device is socketed in another of this exhaustor
End, for being fixed on this pipeline plug in this pipeline.The good seal performance of this pipeline plug, it is possible to
It is effectively isolated fuel gas, it is ensured that the safety of operator；And the simple in construction of this pipeline plug,
Being easy to in-site installation, operation when blocking pipeline is relatively simple, and closure efficiency is high.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all should wrap
Within being contained in protection domain of the present utility model.
Claims (10)
1. a pipeline plug, it is characterised in that described pipeline plug includes:
Exhaustor, sealing device and fixing device；
Described exhaustor is arranged in treating blocking pipe, the length of described exhaustor be less than described in treat blocking pipe
Length, and one end of described exhaustor near described in treat the opening of blocking pipe, described exhaustor is near institute
Stating the one end of the opening treating blocking pipe for connecting flexible pipe, described exhaustor can treat blocking pipe by described
Interior gas leakage is discharged by described flexible pipe；
Described sealing device is socketed in described exhaustor one end away from the described opening treating blocking pipe, and outward
With described, edge treats that blocking pipe contacts, described sealing device be used for sealing described in treat blocking pipe；
Described fixing device be socketed in described exhaustor near described in treat one end of opening of blocking pipe, described
Fixing device is in treating blocking pipe described in being fixed on by described pipeline plug.
Pipeline plug the most according to claim 1, it is characterised in that described sealing device, including:
Sealing ring and at least two pressing plate；
Described at least two pressing plate is separately positioned on the both sides of described sealing ring, is used for fixing described sealing ring.
Pipeline plug the most according to claim 1, it is characterised in that described fixing device, including:
Tensioning support and quill；
Described quill can slide along the length direction of described exhaustor；
Described tensioning support is positioned at described quill one end near described sealing device, described tensioning support
With the described contact internal walls treating blocking pipe, described pipeline can be sealed under the promotion of described quill
Stifled device be fixed on described in treat blocking pipe in.
Pipeline plug the most according to claim 3, it is characterised in that
Described tensioning support includes: fixture, sliding part and at least two support bar；
Described fixture and described sliding part are all socketed on described exhaustor, and described fixture and described row
Trachea is fixing to be connected, and described sliding part can be along near described sealing device under the promotion of described quill
Direction slide；
One end of described support bar is connected with described fixture, the other end of described support bar by connecting rod with
Described sliding part connects, when described sliding part is along the direction slip of close described sealing device, and described support
Bar constantly increases with the axis angle of described exhaustor, until described support bar treats the interior of blocking pipe with described
Wall contacts.
5. according to the pipeline plug described in claim 3 or 4, it is characterised in that
Described fixing device also includes: lock nut；
Described lock nut is arranged on the described moving casing side away from described sealing device, is used for promoting institute
State moving casing to slide near the direction of described sealing device.
Pipeline plug the most according to claim 2, it is characterised in that
Described sealing device includes two pressing plates, and said two pressing plate is disc-shaped structure；
It is arranged on the described sealing ring diameter away from the first pressing plate of the side of described fixing device less than being arranged on
Described sealing ring is near the diameter of the second pressing plate of the side of described fixing device.
Pipeline plug the most according to claim 6, it is characterised in that
Described sealing device also includes: two bolts；
Said two bolt is separately positioned on described first pressing plate side away from described sealing ring, and described
Second pressing plate is away from the side of described sealing ring, for described sealing device is fixed on described exhaustor.
8. according to the pipeline plug described in claim 6 or 7, it is characterised in that
The thickness of described first pressing plate and described second pressing plate is 4 millimeters, the thickness direction of described pressing plate and institute
The length direction stating exhaustor is parallel；
Treat described in the diameter ratio of described first pressing plate that the internal diameter of blocking pipe is short 16 millimeters；
Treat described in the diameter ratio of described second pressing plate that the internal diameter of blocking pipe is short 10 millimeters.
Pipeline plug the most according to claim 2, it is characterised in that
The thickness of described sealing ring is 6 millimeters to 8 millimeters.
Pipeline plug the most according to claim 2, it is characterised in that
Described sealing ring is rubber cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620219289.0U CN205534817U (en) | 2016-03-21 | 2016-03-21 | Pipeline plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620219289.0U CN205534817U (en) | 2016-03-21 | 2016-03-21 | Pipeline plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534817U true CN205534817U (en) | 2016-08-31 |
Family
ID=56784219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620219289.0U Active CN205534817U (en) | 2016-03-21 | 2016-03-21 | Pipeline plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205534817U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575694A (en) * | 2017-09-20 | 2018-01-12 | 王帅先 | Duct closing type device |
| CN107804424A (en) * | 2017-10-21 | 2018-03-16 | 中船澄西船舶修造有限公司 | Boat segmental sandblasting water pipe precaution method |
| CN108061216A (en) * | 2018-02-06 | 2018-05-22 | 钦州学院 | Plugging pipelines instrument with pressure relief |
| CN108087652A (en) * | 2018-02-06 | 2018-05-29 | 钦州学院 | Ship submarine pipeline air heave type device for plugging |
| CN108105526A (en) * | 2018-02-06 | 2018-06-01 | 钦州学院 | Ship submarine pipeline device for plugging |
| CN108105524A (en) * | 2018-02-06 | 2018-06-01 | 钦州学院 | Air heave type plugging pipelines instrument with pressure relief |
| CN109386687A (en) * | 2018-11-21 | 2019-02-26 | 王佳乐 | A kind of urgent antipriming of underground piping |
| CN109506070A (en) * | 2018-12-25 | 2019-03-22 | 中北大学 | Fast self-locking plugging device in pipeline |
| CN109798414A (en) * | 2019-04-02 | 2019-05-24 | 山西省机械产品质量监督检验站 | Gas transmission line mouth plugging apparatus |
| CN111076022A (en) * | 2018-10-19 | 2020-04-28 | 马燕翔 | A gasbag that dams for shutoff pipeline |
| CN112145860A (en) * | 2020-09-22 | 2020-12-29 | 河北润达石化工程建设有限公司 | Natural gas pipeline overhauling and plugging device and using method |
| CN113324793A (en) * | 2021-06-18 | 2021-08-31 | 丰县盛禾智能设备有限公司 | Intelligent soil acid-base meter with sampling function |
| CN113622989A (en) * | 2021-09-22 | 2021-11-09 | 华北科技学院(中国煤矿安全技术培训中心) | Hole sealing device that adoption was taken out to intelligence gas |
| CN114008370A (en) * | 2019-06-12 | 2022-02-01 | Inetec学院核工艺学有限公司 | Large-diameter pipe sealing device |
| CN117487356A (en) * | 2023-09-11 | 2024-02-02 | 山东孚信卓品新材料有限公司 | Silicone rubber sealing element and device applied to sealing of nuclear power plant |
-
2016
- 2016-03-21 CN CN201620219289.0U patent/CN205534817U/en active Active
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575694A (en) * | 2017-09-20 | 2018-01-12 | 王帅先 | Duct closing type device |
| CN107804424A (en) * | 2017-10-21 | 2018-03-16 | 中船澄西船舶修造有限公司 | Boat segmental sandblasting water pipe precaution method |
| CN108061216B (en) * | 2018-02-06 | 2023-09-01 | 钦州学院 | Pipeline plugging tool with pressure relief structure |
| CN108061216A (en) * | 2018-02-06 | 2018-05-22 | 钦州学院 | Plugging pipelines instrument with pressure relief |
| CN108087652A (en) * | 2018-02-06 | 2018-05-29 | 钦州学院 | Ship submarine pipeline air heave type device for plugging |
| CN108105526A (en) * | 2018-02-06 | 2018-06-01 | 钦州学院 | Ship submarine pipeline device for plugging |
| CN108105524A (en) * | 2018-02-06 | 2018-06-01 | 钦州学院 | Air heave type plugging pipelines instrument with pressure relief |
| CN108105524B (en) * | 2018-02-06 | 2024-05-17 | 钦州学院 | Inflatable pipeline plugging tool with pressure relief structure |
| CN111076022A (en) * | 2018-10-19 | 2020-04-28 | 马燕翔 | A gasbag that dams for shutoff pipeline |
| CN109386687A (en) * | 2018-11-21 | 2019-02-26 | 王佳乐 | A kind of urgent antipriming of underground piping |
| CN109386687B (en) * | 2018-11-21 | 2020-05-01 | 王佳乐 | Emergency water stopping device for underground pipeline |
| CN109506070A (en) * | 2018-12-25 | 2019-03-22 | 中北大学 | Fast self-locking plugging device in pipeline |
| CN109798414A (en) * | 2019-04-02 | 2019-05-24 | 山西省机械产品质量监督检验站 | Gas transmission line mouth plugging apparatus |
| CN114008370A (en) * | 2019-06-12 | 2022-02-01 | Inetec学院核工艺学有限公司 | Large-diameter pipe sealing device |
| CN112145860A (en) * | 2020-09-22 | 2020-12-29 | 河北润达石化工程建设有限公司 | Natural gas pipeline overhauling and plugging device and using method |
| CN113324793A (en) * | 2021-06-18 | 2021-08-31 | 丰县盛禾智能设备有限公司 | Intelligent soil acid-base meter with sampling function |
| CN113622989A (en) * | 2021-09-22 | 2021-11-09 | 华北科技学院(中国煤矿安全技术培训中心) | Hole sealing device that adoption was taken out to intelligence gas |
| CN113622989B (en) * | 2021-09-22 | 2024-03-19 | 华北科技学院(中国煤矿安全技术培训中心) | Hole sealing device for intelligent gas extraction |
| CN117487356A (en) * | 2023-09-11 | 2024-02-02 | 山东孚信卓品新材料有限公司 | Silicone rubber sealing element and device applied to sealing of nuclear power plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205534817U (en) | Pipeline plugging device | |
| CN201351789Y (en) | Sealing plug capable of expanding at pipe opening | |
| CN104676188B (en) | Internal-expansion type hydraulic boosting plugging device for submarine pipeline | |
| US20160069501A1 (en) | Fluid leakage counteraction instrument upon damage of fluid conveying pipe | |
| CN204554225U (en) | The outer pod apertures of a kind of first-aid clamp tears valve self-closing device open | |
| CN202884364U (en) | Gas pipeline first-aid repair plugging assembly | |
| CN101382223A (en) | Totally-enclosed examination and repair process with pressure for feedwater piping | |
| CN2392067Y (en) | Inflated rubber ball for blocking pipeline | |
| CN207246639U (en) | A kind of PE pipelines of convenient maintenance | |
| US20140034860A1 (en) | Industrial valve | |
| KR101430423B1 (en) | Baloon-type water coaking device using saddle for water works | |
| CN104879607A (en) | Pipeline leakage blocking device | |
| CN106764232B (en) | Pipe repair tool and method of repairing a pipe | |
| CN205534818U (en) | A pipe port rubber plugging device that it is experimental that is used for municipal works to close water | |
| CN206112390U (en) | Environment -friendly ha fujie | |
| CN209400126U (en) | Plugging device of the line tube with pressure and composition detection mouth | |
| CN206988635U (en) | A kind of safe diffusion device for pressure regulating box | |
| CN205371878U (en) | Stainless steel pipe connecting piece | |
| CN108061216A (en) | Plugging pipelines instrument with pressure relief | |
| CN210598919U (en) | Oil field underground pipeline air release valve | |
| CN104019324A (en) | Quick repairing device for underwater double-layer oil pipeline | |
| CN104019323B (en) | Cable duct bank is withstand voltage pipe close | |
| CN203979766U (en) | Cable duct bank is withstand voltage pipe close | |
| CN202452029U (en) | Safety pipeline plug device | |
| CN207279082U (en) | A kind of PVC drain pipe pipe connecting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |