CN113685650A - Plugging device of petroleum pipeline - Google Patents
Plugging device of petroleum pipeline Download PDFInfo
- Publication number
- CN113685650A CN113685650A CN202110939613.1A CN202110939613A CN113685650A CN 113685650 A CN113685650 A CN 113685650A CN 202110939613 A CN202110939613 A CN 202110939613A CN 113685650 A CN113685650 A CN 113685650A
- Authority
- CN
- China
- Prior art keywords
- petroleum pipeline
- fluke
- sealing
- sealing ring
- plugging 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.)
- Pending
Links
- 239000003208 petroleum Substances 0.000 title claims abstract description 80
- 238000007789 sealing Methods 0.000 claims abstract description 83
- 241000935974 Paralichthys dentatus Species 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 12
- 210000004907 gland Anatomy 0.000 claims description 13
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 2
- 230000009977 dual effect Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 241000242541 Trematoda Species 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 230000008439 repair process Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000805 composite resin Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/1612—Devices for covering leaks in pipes or hoses, e.g. hose-menders by means of a plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides a plugging device for a petroleum pipeline, and relates to the technical field of petroleum transmission. The occlusion device comprises: inserted bar, fluke, interior sealing ring, outer seal ring, fastening section of thick bamboo and drive assembly. In the invention, in the process of plugging a leakage perforation by the plugging device, the inserted link is inserted into the leakage perforation, the pressure in the petroleum pipeline drives the fluke to open through the driving component, at the moment, the inner sealing ring is plugged into the petroleum pipeline through the perforation, the position of the inserted link is adjusted to ensure that the thrust generated by petroleum flow also applies work to the driving component to drive the fluke to close, and the inner sealing ring is tightly pressed on the inner wall of the petroleum pipeline; screwing the fastening cylinder to ensure that the outer sealing ring is tightly attached to the outer wall of the petroleum pipeline; the inner and outer dual plugging of the leakage perforation is realized, the pressure in the petroleum pipeline is higher, the petroleum flow rate is higher, the plugging is more reliable, and the secondary leakage is effectively avoided.
Description
Technical Field
The invention relates to the technical field of petroleum transmission, in particular to a plugging device for a petroleum pipeline.
Background
The pressure transmission pipeline is an important facility for oil transmission, and due to corrosion, third party damage and the like, the oil pipeline is perforated and leaked. The leakage of petroleum not only pollutes the environment, but also harms the life and property safety of the masses. Therefore, when the petroleum pipeline is perforated and leaked, the emergency repair is needed to be carried out in time so as to reduce loss and avoid damage.
The current rush-repair tools for the perforation and leakage of petroleum pipelines are mainly a clamp type clamp and a winding type fiber resin composite material rush-repair tool, wherein the clamp type clamp is a rigid clamp, and the winding type fiber resin composite material rush-repair tool is a flexible clamp. The rigid clamp is generally two symmetrical semi-cylinders, the two semi-cylinders are fastened by bolts after being installed from two sides of the pipeline, the leaked pipeline and the container are covered at a perforated position for 360 degrees, and sealing measures are taken at two ends of the clamp to seal media inside and cannot leak. The winding type emergency repair tool takes high-strength fibers such as carbon fibers or aramid fibers and the like as a main body structure, and the high-strength fibers are wound around a pipeline at a perforation by a plurality of turns after being soaked with resin, so that the perforation is blocked.
However, both of these two types of first-aid repair fixtures are used for plugging the through hole leakage by applying an acting force to the outside of the pipeline, and a secondary leakage risk exists under the action of the internal pressure of the pipeline.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a plugging device for a petroleum pipeline, which solves the problem that the plugging device for the petroleum pipeline is easy to leak for the second time.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a plugging device for a petroleum pipeline, the plugging device comprising:
the side wall of the inserted bar is provided with a plurality of accommodating grooves which are arranged along the axial direction;
the anchor fluke is arranged in the accommodating groove through a rotating shaft which is horizontally arranged;
the inner sealing ring and the outer sealing ring are hermetically sleeved on the outer wall of the inserted rod;
the fastening cylinder is in threaded connection with the outer wall of the inserted rod;
and the driving assembly is arranged at the head end of the inserted rod and drives the fluke to open and close by the pressure in the petroleum pipeline and the thrust generated by petroleum flow.
Preferably, the driving assembly includes: the gland, the rubber head, the air cavity, the air passage and the driving hook; the air cavity is opened at the head end of inserted bar, glues first seal installation at the head end opening part of air cavity, and the gland setting is in the top of gluing the head, and its connection side is articulated with the head end of inserted bar, and air flue intercommunication air cavity and holding tank, drive hook hold in the air flue, and can freely slide along the air flue.
Preferably, the end of the drive hook is provided with a piston head.
Preferably, a gear is fixedly arranged in the fluke and can drive the fluke to freely rotate around the rotating shaft; an opening rack is arranged on the inner wall of the hook head of the driving hook, and a closing rack is arranged on the inner wall of the hook body; in the process that the driving hook slides upwards, the opening rack is firstly meshed with the gear to drive the anchor jaw to open; when the anchor fluke is completely opened, the opening rack is separated from the gear, and the closing rack is meshed with the gear to drive the anchor fluke to close.
Preferably, a sliding groove is formed above the anchor fluke, and the driving hook is accommodated in the sliding groove and can freely slide along the sliding groove.
Preferably, the outer wall of the inserted link is provided with a mark for adjusting the direction of the inserted link, and when the fluke needs to be closed, the connection side of the gland is directed to the upstream direction of the oil pipeline.
Preferably, the sealed spout of axial extension is seted up to the end of holding tank, the end side of interior sealing ring is provided with first sealed step, and the inner wall of interior sealing ring and first sealed step is provided with the first sealed piece with sealed spout one-to-one, and first sealed piece holds in sealed spout.
Preferably, a second sealing step is arranged at the tail end side of the outer sealing ring, second sealing blocks which correspond to the sealing sliding grooves one by one are arranged on the inner walls of the outer sealing ring and the second sealing step, and the second sealing blocks are accommodated in the sealing sliding grooves; the head end of outer seal ring has been seted up and has been stepped down the groove, and first sealed step can be held in the inslot that steps down.
(III) advantageous effects
The invention provides a plugging device for a petroleum pipeline. Compared with the prior art, the method has the following beneficial effects:
in the invention, in the process of plugging a leakage perforation by the plugging device, the inserted link is inserted into the leakage perforation, the pressure in the petroleum pipeline drives the fluke to open through the driving component, at the moment, the inner sealing ring is plugged into the petroleum pipeline through the perforation, the position of the inserted link is adjusted to ensure that the thrust generated by petroleum flow also applies work to the driving component to drive the fluke to close, and the inner sealing ring is tightly pressed on the inner wall of the petroleum pipeline; screwing the fastening cylinder to ensure that the outer sealing ring is tightly attached to the outer wall of the petroleum pipeline; the inner and outer dual plugging of the leakage perforation is realized, the pressure in the petroleum pipeline is higher, the petroleum flow rate is higher, the plugging is more reliable, and the secondary leakage is effectively avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the internal structure of an occluding device in an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the occluding device in an occluding state according to the embodiment of the invention;
fig. 3 is an enlarged view of a point a in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the application provides a plugging device of petroleum pipeline, has solved the easy secondary leakage's of plugging device of petroleum pipeline problem.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
in the embodiment of the invention, in the process of plugging a leakage perforation by the plugging device, the inserted link is inserted into the leakage perforation, the pressure in the petroleum pipeline drives the fluke to open through the driving component, at the moment, the inner sealing ring is plugged into the petroleum pipeline through the perforation, the position of the inserted link is adjusted to ensure that the thrust generated by petroleum flow also applies work to the driving component to drive the fluke to close, and the inner sealing ring is tightly pressed on the inner wall of the petroleum pipeline; screwing the fastening cylinder to ensure that the outer sealing ring is tightly attached to the outer wall of the petroleum pipeline; the inner and outer dual plugging of the leakage perforation is realized, the pressure in the petroleum pipeline is higher, the petroleum flow rate is higher, the plugging is more reliable, and the secondary leakage is effectively avoided.
And, plugging device presses inner seal ring at the petroleum pipeline inner wall through a plurality of flukes, and the fluke is all closed through the atmospheric pressure drive of gas intracavity, therefore different flukes can be positioned different closed angles for inner seal ring can more laminate the radian of petroleum pipeline inner wall, and sealed effect is better.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example (b):
as shown in fig. 1 and 2, the invention provides a plugging device for a petroleum pipeline, which comprises:
the side wall of the inserted bar 10 is provided with a plurality of accommodating grooves 11 arranged along the axial direction;
the anchor fluke 20 is installed in the accommodating groove 11 through a rotating shaft 21 which is horizontally arranged;
the inner sealing ring 30 and the outer sealing ring 40 are hermetically arranged on the outer wall of the plunger 10 in a sealing manner;
the fastening cylinder 50 is in threaded connection with the outer wall of the inserted bar 10;
and a driving assembly which is arranged at the head end of the inserted link 10 and drives the fluke 20 to open and close by the pressure in the petroleum pipeline and the thrust generated by the petroleum flow.
In the process that the plugging device plugs a leakage perforation, the inserted link 10 is inserted into the leakage perforation, the pressure in the petroleum pipeline drives the fluke 20 to open through the driving component, at the moment, the inner sealing ring 30 is plugged into the petroleum pipeline through the perforation, the position of the inserted link 10 is adjusted to enable the thrust generated by petroleum flow to apply work to the driving component, the fluke 20 is driven to close, and the inner sealing ring 30 is tightly pressed on the inner wall of the petroleum pipeline; screwing the fastening cylinder 50 to enable the outer sealing ring 40 to be tightly attached to the outer wall of the petroleum pipeline; the inner and outer dual plugging of the leakage perforation is realized, the pressure in the petroleum pipeline is higher, the petroleum flow rate is higher, the plugging is more reliable, and the secondary leakage is effectively avoided.
As shown in fig. 1 and 2, the driving assembly includes: the gland 61, the rubber head 62, the air cavity 63, the air channel 64 and the driving hook 65; the air cavity 63 is arranged at the head end of the inserted link 10, the rubber head 62 is hermetically arranged at the opening of the head end of the air cavity 63, the gland 61 is arranged above the rubber head 62, the connecting side of the gland is hinged with the head end of the inserted link 10, the air channel 64 is communicated with the air cavity 63 and the accommodating groove 11, and the driving hook 65 is accommodated in the air channel 64 and can freely slide along the air channel 64.
As shown in fig. 3, the end of the driving hook 65 is provided with a piston head 66, so that the driving hook 65 slides upwards along the air passage 64 under the thrust generated by the pressure in the oil pipeline and the oil flow.
As shown in fig. 3, a gear 22 is fixedly arranged in the fluke 20, and the gear 22 can drive the fluke 20 to freely rotate around a rotating shaft 21; an opening rack 67 is arranged on the inner wall of the hook head of the driving hook 65, and a closing rack 68 is arranged on the inner wall of the hook body; in the process that the driving hook 65 slides upwards, the opening rack 67 is firstly meshed with the gear 22 to drive the fluke 20 to open; when fluke 20 is fully opened, opening rack 67 is disengaged from gear 22 and closing rack 68 is engaged with gear 22 to drive fluke 20 closed.
As shown in fig. 3, a slide groove 12 is formed above the fluke 20, and the driving hook 65 is accommodated in the slide groove 12 and can freely slide along the slide groove 12.
As shown in fig. 1 and 2, the outer wall of the plug rod 10 is provided with a mark 13 for adjusting the direction of the plug rod 10, and when the fluke 20 needs to be closed, the connection side of the gland 61 is directed to the upstream direction of the oil pipeline.
As shown in fig. 1 and 2, the end of the receiving groove 11 is provided with a sealing sliding groove 14 extending in the axial direction, the end side of the inner sealing ring 30 is provided with a first sealing step 31, the inner walls of the inner sealing ring 30 and the first sealing step 31 are provided with first sealing blocks 32 corresponding to the sealing sliding groove 14 one by one, and the first sealing blocks 32 are received in the sealing sliding groove 14; preventing the inner seal ring 30 from sliding into the receiving groove 11 and causing its seal with the plunger 10 to fail.
As shown in fig. 1 and 2, a second sealing step 41 is provided at a distal end side of the outer sealing ring 40, second sealing blocks 42 corresponding to the sealing sliding grooves 14 one by one are provided at inner walls of the outer sealing ring 40 and the second sealing step 41, and the second sealing blocks 42 are accommodated in the sealing sliding grooves 14; the head end of the outer sealing ring 40 is provided with a yielding groove 43, and when the pipe wall of the petroleum pipeline to be plugged is very thin, the first sealing step 31 can be accommodated in the yielding groove 43, so that the plugging effect is prevented from being influenced by mutual interference of the first sealing step 31 and the outer sealing ring 40.
In the use process of the plugging device, the connecting side of the gland 61 is kept perpendicular to the axial direction of the petroleum pipeline, the inserted link 10 is inserted into the leakage perforation, the pressure in the petroleum pipeline acts on the gland 61 to drive the fluke 20 to be opened, and at the moment, the inner sealing ring 30 is plugged into the petroleum pipeline through the perforation and props against the lower part of the opened fluke 20; then adjusting the position of the inserted link 10 to enable the connecting side of the gland 61 to face the upstream direction of the petroleum pipeline, and screwing the fastening cylinder 50 to enable the outer sealing ring 40 to be tightly attached to the outer wall of the petroleum pipeline; the inner and outer dual plugging of the leakage perforation is realized, the pressure in the petroleum pipeline is higher, the petroleum flow rate is higher, the plugging is more reliable, and the secondary leakage is effectively avoided.
In addition, the inner sealing ring 30 is pressed on the inner wall of the petroleum pipeline through the anchor flukes 20, the anchor flukes 20 are driven to be closed through air pressure in the air cavity 63, and therefore different anchor flukes 20 can be positioned at different closing angles, the inner sealing ring 30 can be more attached to the radian of the inner wall of the petroleum pipeline, and the sealing effect is better.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. in the embodiment of the invention, in the process of plugging a leakage perforation by the plugging device, the inserted link is inserted into the leakage perforation, the pressure in the petroleum pipeline drives the fluke to open through the driving component, at the moment, the inner sealing ring is plugged into the petroleum pipeline through the perforation, the position of the inserted link is adjusted to ensure that the thrust generated by petroleum flow also applies work to the driving component to drive the fluke to close, and the inner sealing ring is tightly pressed on the inner wall of the petroleum pipeline; screwing the fastening cylinder to ensure that the outer sealing ring is tightly attached to the outer wall of the petroleum pipeline; the inner and outer dual plugging of the leakage perforation is realized, the pressure in the petroleum pipeline is higher, the petroleum flow rate is higher, the plugging is more reliable, and the secondary leakage is effectively avoided.
2. In the embodiment of the invention, the inner sealing ring is pressed on the inner wall of the petroleum pipeline by the plugging device through the plurality of anchor flukes, and the anchor flukes are driven to be closed by air pressure in the air cavity, so that different anchor flukes can be positioned to different closing angles, the inner sealing ring can be more attached to the radian of the inner wall of the petroleum pipeline, and the sealing effect is better.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A plugging device for a petroleum pipeline, the plugging device comprising:
the side wall of the inserted bar (10) is provided with a plurality of accommodating grooves (11) which are axially arranged;
the anchor fluke (20), the said anchor fluke (20) is installed in holding tank (11) through the spindle (21) that the level sets up;
the inner sealing ring (30) and the outer sealing ring (40) are hermetically arranged on the outer wall of the inserted rod (10) in a sealing manner;
the fastening cylinder (50), the fastening cylinder (50) is in threaded connection with the outer wall of the inserted bar (10);
and the driving assembly is arranged at the head end of the inserted rod (10), and drives the fluke (20) to open and close by the pressure in the petroleum pipeline and the thrust generated by the petroleum flow.
2. The petroleum pipeline plugging device of claim 1, wherein the drive assembly comprises: the device comprises a gland (61), a rubber head (62), an air cavity (63), an air channel (64) and a driving hook (65); the head end of inserted bar (10) is seted up in air cavity (63), glues head (62) seal installation in the head end opening part of air cavity (63), gland (61) set up in the top of gluing head (62), and its connection side is articulated with the head end of inserted bar (10), air flue (64) intercommunication air cavity (63) and holding tank (11), and drive hook (65) hold in air flue (64), and can follow air flue (64) and freely slide.
3. Petroleum pipeline plugging device according to claim 2, wherein the end of the driving hook (65) is provided with a piston head (66).
4. A petroleum pipeline plugging device according to claim 3, wherein a gear (22) is fixedly arranged in the fluke (20), and the gear (22) can drive the fluke (20) to rotate freely around the rotating shaft (21); an opening rack (67) is arranged on the inner wall of the hook head of the driving hook (65), and a closing rack (68) is arranged on the inner wall of the hook body; in the process that the driving hook (65) slides upwards, the opening rack (67) is firstly meshed with the gear (22) to drive the anchor fluke (20) to open; when the fluke (20) is completely opened, the opening rack (67) is separated from the gear (22), and the closing rack (68) is meshed with the gear (22) to drive the fluke (20) to close.
5. A petroleum pipeline plugging device according to claim 4, wherein a chute (12) is formed above said fluke (20), and said driving hook (65) is accommodated in said chute (12) and can freely slide along said chute (12).
6. A petroleum pipeline plugging device as defined in claim 2, wherein said outer wall of said insertion rod (10) is provided with a mark (13) for adjusting the direction of said insertion rod (10) to direct the connection side of said gland (61) in the upstream direction of said petroleum pipeline when said fluke (20) is required to be closed.
7. The petroleum pipeline plugging device according to any one of claims 1 to 6, wherein the end of the receiving groove (11) is provided with an axially extending sealing chute (14), the end side of the inner sealing ring (30) is provided with a first sealing step (31), the inner walls of the inner sealing ring (30) and the first sealing step (31) are provided with first sealing blocks (32) corresponding to the sealing chutes (14) one by one, and the first sealing blocks (32) are received in the sealing chute (14).
8. A petroleum pipeline plugging device according to claim 7, wherein the end side of the outer sealing ring (40) is provided with a second sealing step (41), the inner walls of the outer sealing ring (40) and the second sealing step (41) are provided with second sealing blocks (42) which correspond to the sealing sliding grooves (14) in a one-to-one manner, and the second sealing blocks (42) are accommodated in the sealing sliding grooves (14); the head end of the outer sealing ring (40) is provided with a yielding groove (43), and the first sealing step (31) can be accommodated in the yielding groove (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110939613.1A CN113685650A (en) | 2021-08-16 | 2021-08-16 | Plugging device of petroleum pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110939613.1A CN113685650A (en) | 2021-08-16 | 2021-08-16 | Plugging device of petroleum pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113685650A true CN113685650A (en) | 2021-11-23 |
Family
ID=78580113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110939613.1A Pending CN113685650A (en) | 2021-08-16 | 2021-08-16 | Plugging device of petroleum pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113685650A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023165136A1 (en) * | 2022-05-14 | 2023-09-07 | 常州大学 | Self-adaptive plugging device for multi-hole pipeline leakage |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385204Y (en) * | 1999-06-28 | 2000-06-28 | 中国人民武装警察部队学院 | Emergency leaking stoppage device |
| CN2472038Y (en) * | 2001-02-26 | 2002-01-16 | 孙桂华 | Urgent quick acting blocker |
| DE102004055732A1 (en) * | 2004-11-18 | 2006-06-01 | Beate Baust und Hans-Michael Rößler GbR (vertretungsberechtigte Gesellschafterin Frau Beate Baust, Dahlienweg 20, 68775 Ketsch) | Method for sealing of leaks in pipes, passages, channels or containers entails inserting of sealing element with diameter smaller or same as diameter of leak and tensioning sealing element against wall of leak |
| CN200943799Y (en) * | 2006-08-28 | 2007-09-05 | 渤海船舶重工有限责任公司 | Plugging device for pipe pressing |
| CN201145122Y (en) * | 2008-01-18 | 2008-11-05 | 上海华焰燃气管道工程技术发展有限公司 | Pipe close piece |
| CN103090185A (en) * | 2013-01-04 | 2013-05-08 | 张维芳 | Full-automatic under-pressure gas firefighting plugging device |
| CN104006263A (en) * | 2014-05-30 | 2014-08-27 | 中国海洋石油总公司 | Leakage hole plugging tool and method |
| CN104295898A (en) * | 2013-07-16 | 2015-01-21 | 中国人民武装警察部队学院 | Unfolding type internal-buckling type leaking stoppage tool |
| CN208845960U (en) * | 2018-08-20 | 2019-05-10 | 江苏华展石油机械有限公司 | A kind of abnormity petroleum pipeline plugging device |
-
2021
- 2021-08-16 CN CN202110939613.1A patent/CN113685650A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385204Y (en) * | 1999-06-28 | 2000-06-28 | 中国人民武装警察部队学院 | Emergency leaking stoppage device |
| CN2472038Y (en) * | 2001-02-26 | 2002-01-16 | 孙桂华 | Urgent quick acting blocker |
| DE102004055732A1 (en) * | 2004-11-18 | 2006-06-01 | Beate Baust und Hans-Michael Rößler GbR (vertretungsberechtigte Gesellschafterin Frau Beate Baust, Dahlienweg 20, 68775 Ketsch) | Method for sealing of leaks in pipes, passages, channels or containers entails inserting of sealing element with diameter smaller or same as diameter of leak and tensioning sealing element against wall of leak |
| CN200943799Y (en) * | 2006-08-28 | 2007-09-05 | 渤海船舶重工有限责任公司 | Plugging device for pipe pressing |
| CN201145122Y (en) * | 2008-01-18 | 2008-11-05 | 上海华焰燃气管道工程技术发展有限公司 | Pipe close piece |
| CN103090185A (en) * | 2013-01-04 | 2013-05-08 | 张维芳 | Full-automatic under-pressure gas firefighting plugging device |
| CN104295898A (en) * | 2013-07-16 | 2015-01-21 | 中国人民武装警察部队学院 | Unfolding type internal-buckling type leaking stoppage tool |
| CN104006263A (en) * | 2014-05-30 | 2014-08-27 | 中国海洋石油总公司 | Leakage hole plugging tool and method |
| CN208845960U (en) * | 2018-08-20 | 2019-05-10 | 江苏华展石油机械有限公司 | A kind of abnormity petroleum pipeline plugging device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023165136A1 (en) * | 2022-05-14 | 2023-09-07 | 常州大学 | Self-adaptive plugging device for multi-hole pipeline leakage |
| US11988317B2 (en) | 2022-05-14 | 2024-05-21 | Changzhou University | Adaptive sealing devices for pipeline porous leakage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205534817U (en) | Pipeline plugging device | |
| CN104006263B (en) | A kind of capping tools of Leak hole, method for blocking | |
| CN108240524B (en) | Diameter-variable pipeline sealing clamp and pipeline maintenance method | |
| CN113685650A (en) | Plugging device of petroleum pipeline | |
| CN105508799A (en) | Novel quick root plugging system | |
| CN204042317U (en) | Cable wire hoop tool does not stop work seal fixture | |
| CN107178676B (en) | A kind of self-locking emergency leak resistance set of pipeline and method | |
| CN203023730U (en) | Pipeline rapid-plugging device | |
| CN108105524A (en) | Air heave type plugging pipelines instrument with pressure relief | |
| CN210344705U (en) | Pressurized leakage blocking structure for gas pipeline | |
| CN211203295U (en) | Submarine pipeline emergency clamp | |
| CN108061216A (en) | Plugging pipelines instrument with pressure relief | |
| CN105650403A (en) | Pipeline plugging device | |
| CN203162431U (en) | Chain-type pipeline leaking stoppage fixture | |
| CN212986422U (en) | Pipeline is salvageed and is used hydraulic pressure plugging device for gas management | |
| CN115468113A (en) | Tank car tank leakage under-pressure leakage blocking emergency disposal method and device | |
| KR20150133415A (en) | Plugging Apparatus for Repairing Seawater Outlet-Inlet for Ship | |
| CN214947342U (en) | Portable pipeline flow rapid leakage repairing device | |
| CN111895212B (en) | Pipeline leakage stoppage robot and working method | |
| CN115199219A (en) | Seal checking joint and oil pipe seal checking method | |
| CN109723978B (en) | Pipeline leakage-proof measuring device | |
| CN208535404U (en) | A kind of pipeline maintenance stifled threeway of inner blocking type plug | |
| CN207935607U (en) | Plugging pipelines tool with pressure relief | |
| CN205592457U (en) | Break valve gear | |
| CN207935627U (en) | Ship submarine pipeline device for plugging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |