CN212251690U - Plugging device is used in pipeline construction - Google Patents

Plugging device is used in pipeline construction Download PDF

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Publication number
CN212251690U
CN212251690U CN202020969824.0U CN202020969824U CN212251690U CN 212251690 U CN212251690 U CN 212251690U CN 202020969824 U CN202020969824 U CN 202020969824U CN 212251690 U CN212251690 U CN 212251690U
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China
Prior art keywords
inflation
pipe
plugging
deflation
pipeline
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CN202020969824.0U
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Chinese (zh)
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黎良涛
苏利峰
郑海棠
宋冬辉
张瑜
石全
曾竞
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Sinohydro Bureau 10 Co Ltd
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Sinohydro Bureau 10 Co Ltd
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Abstract

The utility model discloses a plugging device is used in pipeline construction, including two-way connector, the upper end of two-way connector is installed and is filled the disappointing pipe, fill the lower extreme of disappointing pipe and install the barometer, fill the one end of disappointing pipe and install defeated air control valve, threaded connection steel pipe is installed to the one end of two-way connector, lock nut is installed to the one end of threaded connection steel pipe, lock nut's one end is installed and is advanced the outer sleeve in the top, the tensioning support is installed to the one end that advances the outer sleeve in the top, interior drilling steel pipe is installed to tensioning support inboard, the adapter sleeve is installed. The utility model discloses a series of structural design makes the device can prolong the shutoff distance, and the construction of being convenient for, and can deposit liquid pipeline or shutoff according to the shutoff and deposit still gas pipeline and carry out the shutoff to different characteristics respectively, be convenient for to the maintenance and the connection of pipeline.

Description

Plugging device is used in pipeline construction
Technical Field
The utility model relates to a pipeline shutoff equipment technical field specifically is a plugging device is used in pipeline construction.
Background
Along with the rapid development of social economy, more and more people adopt pipeline plugging devices in the pipeline construction process, the working principle of pipeline plugging is that a pipeline plugging air bag made of high-quality rubber is inflated by an inflation method, when the gas pressure in the water plugging air bag meets the specified requirement, the water plugging air bag fills the section of the whole pipeline, water leakage is plugged by the friction force generated by the wall of the pipeline plugging air bag and the pipeline, so that the aim of no water leakage in a target pipeline section is fulfilled, when pipelines similar to flammable gases such as natural gas and the like are plugged, the gas in the pipeline needs to be pumped out, the safety of pipeline welding is ensured, the pipeline plugging is suitable for long-distance pipelines which are standard in pipelines and have no scale formation and corrosion on the inner wall of the pipeline, and is mainly used for long-distance pipelines for conveying oil, natural gas and finished oil and the emergency repair work of.
However, the existing plugging device for pipeline construction is limited in use length, is inconvenient for plugging in a pipeline with a long depth, and cannot plug the characteristic when water and gas are plugged; therefore, the existing requirements are not met, and a plugging device for pipeline construction is provided for the existing requirements.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a plugging device is used in pipeline construction.
In order to achieve the above object, the utility model provides a following technical scheme:
a plugging device for pipeline construction, comprising:
an inflation and deflation device;
a plurality of inner drilling steel pipes; two adjacent inner drilling steel pipes are connected through a connecting sleeve;
plugging the air bag; the plugging air bag is arranged on the outer wall of one inner drilling steel pipe, the air charging and discharging device is connected with the plugging air bag through a plurality of inner drilling steel pipes, and the air charging and discharging device is used for charging and discharging the plugging air bag; the plugging air bag is used for plugging the pipeline after being inflated and expanded;
a fixing device; a plurality of inner drilling steel pipes, a plugging air bag and a fixing device are all arranged in the pipeline, the fixing device is installed on the outer wall of one inner drilling steel pipe, and the fixing device is fixedly connected with the inner wall of the pipeline.
Specifically, the inflation and deflation device comprises an inflation pump, an air delivery control valve, an inflation and deflation conduit and an inflation and deflation through pipe, wherein the air output end of the inflation pump is connected with the inflation and deflation through pipe through the inflation and deflation conduit, the inflation and deflation through pipe is connected with the plugging air bag, the air delivery control valve is arranged on the inflation and deflation conduit, the inflation and deflation through pipe is multiple, and the inflation and deflation conduit is respectively arranged in the multiple inner drilling steel pipes.
Specifically, the connection part of the air inflation and deflation conduit and the air inflation and deflation through pipes and the connection part between two adjacent air inflation and deflation through pipes are connected through a first sealing sleeve.
Specifically, fixing device includes lock nut, the outer sleeve is advanced in the top, the tensioning support includes mount and a plurality of frame of opening, the fixed suit of mount is on the interior drilling steel pipe lateral wall that is located the prelude, the one end and the mount rotatable coupling of a plurality of frames of opening, open the frame and pass through the one end rotatable coupling of connecting rod and the outer sleeve is advanced in the top near the department of its second end, the slidable suit of the outer sleeve that advances in the top is outside the interior drilling steel pipe that is located the prelude, the first end that is located the interior drilling steel pipe of prelude forms the threaded connection steel pipe, lock nut connects on the threaded connection steel pipe soon, lock nut supports tightly with the one end of.
The plugging device for pipeline construction comprises two fixing bolts, two fixing pressing plates, a sealing block, a closing cap and an air exhaust through pipe, wherein threads are arranged from the side wall of an inner drilling steel pipe located at the tail part to the tail end of the inner drilling steel pipe; the size of the sealing block is matched with the inner wall of the pipeline, and the sealing block is used for plugging the pipeline; the closed cap is screwed on the end thread of the inner drilling steel pipe at the tail part; the siphunculus of bleeding is many, and arranges in many interior drilling steel pipes respectively in, and adjacent two bleed between the siphunculus all through the sealed bushing connection of second, and many bleed siphunculus connect back one end and the interior drilling steel pipe tip intercommunication that is located the afterbody, and many other ends after the siphunculus connection of bleeding connect the outside through being located the interior drilling steel pipe of prelude after.
Specifically, plugging device for the pipeline construction still includes two-way connecting pipe, the one end of two-way connecting pipe and the end connection of threaded connection steel pipe, the other end connecting hose of two-way connecting pipe, fill the pipe intercommunication of disappointing with the logical pipe that fills that is arranged in the drill hole steel pipe behind the two-way connecting pipe of passing, the logical pipe that bleeds communicates with the hose after passing two-way connecting pipe.
Preferably, the plugging device for pipeline construction further comprises a barometer, and the barometer is installed on the air inflation and deflation conduit and is used for measuring air pressure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an install lock nut on the one end of threaded connection steel pipe, lock nut's one end is installed and is advanced the outer sleeve, the tensioning support is installed to the one end of advancing the outer sleeve in top, lock nut is through the cooperation with the threaded connection steel pipe, the downward rotation, promote to advance the outer sleeve in top and push down, make the tensioning support open, the card is at the pipeline inner wall, can fixing device, the internally mounted of tensioning support has interior drilling steel pipe, interior drilling steel pipe can be many, two interior drilling steel pipes pass through the screw thread and connect respectively at the both ends of adapter sleeve, there is the second seal tube inside the adapter sleeve, can fill in the interior drilling steel pipe and lose heart siphunculus and carry out the cooperation connection with the siphunculus of bleeding, through the first seal tube, the connection between the sealed messenger of second seal tube fills the heart siphunculus of disappointing, the connection between the heart siphuncul, the plugging distance of the device can be prolonged, and construction is facilitated;
2. the utility model discloses an install the pipe that fills and loses heart in the upper end of two-way connecting pipe, fill the lower extreme of losing heart and install the barometer, the one end of barometer is installed defeated air control valve, defeated air control valve can be connected with the pump and inflate the shutoff gasbag, and can get rid of gas from the inside of shutoff gasbag through the hole that fills and loses heart of defeated air control valve one end, the device of being convenient for is retrieved, go on to the pipe that fills and loses heart of shutoff gasbag, the shutoff gasbag is convenient for to save liquid pipeline and seal, when to the inflammable gas pipeline, lift off the closing cap in advance, install the seal block outside the inner drill hole steel pipe, form secondary shutoff with the shutoff gasbag, take out inflammable gas still through the aspiration pump behind the two-way connecting pipe with still gas, make when welding the pipeline safer, can save liquid pipeline or shutoff according to shutoff and save gaseous pipeline respectively to different characteristics, the maintenance and the connection of the pipeline are convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the connection sleeve of the present invention;
fig. 3 is a schematic view of a partial structure of the middle plugging air bag of the present invention.
In the figure: 1. a bidirectional connecting pipe; 2. connecting a steel pipe in a threaded manner; 3. a lock nut; 4. pushing the outer sleeve; 5. tensioning the bracket; 6. drilling a steel pipe in the hole; 7. connecting a sleeve; 8. plugging the air bag; 9. fixing the bolt; 10. fixing the pressing plate; 11. a sealing block; 12. an inflation and deflation conduit; 13. a barometer; 14. a gas delivery control valve; 15. inflating and deflating a through pipe; 16. air exhaust through pipes; 17. a first sealing sleeve; 18. a second sealing sleeve; 19. the cap is closed.
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.
The utility model provides a following technical scheme:
as shown in fig. 1, a plugging device for pipeline construction includes:
an inflation and deflation device;
a plurality of inner-drilled steel pipes 6; two adjacent inner drilling steel pipes 6 are connected through a connecting sleeve 7;
plugging the air bag 8; the plugging air bag 8 is arranged on the outer wall of one inner drilling steel pipe 6, the air inflation and deflation device is connected with the plugging air bag 8 through a plurality of inner drilling steel pipes 6, and the air inflation and deflation device is used for inflating and deflating the plugging air bag 8; the plugging air bag 8 is used for plugging the pipeline after being inflated and expanded;
a fixing device; a plurality of inner drilling steel pipes 6, a plugging air bag 8 and a fixing device are all arranged in the pipeline, the fixing device is installed on the outer wall of one inner drilling steel pipe 6, and the fixing device is fixedly connected with the inner wall of the pipeline.
When the embodiment works, a plurality of inner drilling steel pipes 6 are selected to be continuously connected according to the length requirement; the plugging air bag 8 is generally arranged on the inner drilling steel pipe 6 which extends into the pipeline most.
As shown in fig. 1 and 3, the inflation and deflation device comprises an inflation pump, an air delivery control valve 14, an inflation and deflation conduit 12 and an inflation and deflation through pipe 15, wherein the air output end of the inflation pump is connected with the inflation and deflation through pipe 15 through the inflation and deflation conduit 12, the inflation and deflation through pipe 15 is connected with the plugging air bag 8, the air delivery control valve 14 is installed on the inflation and deflation conduit 12, and the inflation and deflation through pipes 15 are multiple and are respectively arranged in the multiple inner drilling steel pipes 6.
As shown in fig. 2, the connection between the inflation and deflation conduit 12 and the inflation and deflation tube 15, and the connection between two adjacent inflation and deflation tubes 15 are connected by a first sealing sleeve 17.
As shown in fig. 1, the fixing device comprises a locking nut 3, a jacking outer sleeve 4, a tensioning support 5, the tensioning support 5 comprises a fixing frame and a plurality of opening frames, the fixing frame is fixedly sleeved on the side wall of an inner drilling steel pipe 6 positioned at the head part, one ends of the plurality of opening frames are rotatably connected with the fixing frame, one part of each opening frame close to the second end of the opening frame is rotatably connected with one end of the jacking outer sleeve 4 through a connecting rod, the jacking outer sleeve 4 is slidably sleeved outside the inner drilling steel pipe 6 positioned at the head part, the first end of the inner drilling steel pipe 6 positioned at the head part is formed into a threaded connection steel pipe 2, the locking nut 3 is screwed on the threaded connection steel pipe 2, and the locking nut 3 is abutted against one end of the.
In this embodiment, three of the expandable frames are generally used and are uniformly arranged around the inner drill steel pipe 6.
As shown in fig. 1 and 2, the plugging device for pipeline construction further comprises two fixing bolts 9, two fixing pressing plates 10, a sealing block 11, a closing cap 19 and an air exhaust through pipe 16, wherein threads are arranged from the side wall to the tail end of the inner drilling steel pipe 6 positioned at the tail part, the two fixing pressing plates 10 and the sealing block 11 can be sleeved on the threads in a sliding manner, the two fixing pressing plates 10 are respectively arranged at two sides of the sealing block 11, the two fixing bolts 9 are respectively screwed on the threads, and the two fixing bolts 9 are respectively arranged at two sides of the two fixing pressing plates 10 and are used for fixing the positions of the two fixing pressing plates 10 and the sealing block 11; the size of the sealing block 11 is matched with the inner wall of the pipeline, and the sealing block 11 is used for plugging the pipeline; the closing cap 19 is screwed on the end thread of the inner drilling steel pipe 6 at the tail part; the siphunculus 16 of bleeding is many, and arranges in many interior drilling steel pipes 6 respectively in, and two adjacent siphunculus 16 of bleeding all connect through second sealing sleeve 18 between, and many bleed siphunculus 16 connect back one end with be located the interior drilling steel pipe 6 tip intercommunication of afterbody, and the other end after many bleed siphunculus 16 connect connects the outside through being located the interior drilling steel pipe 6 back of prelude.
As shown in fig. 1, the plugging device for pipeline construction further comprises a bidirectional connecting pipe 1, one end of the bidirectional connecting pipe 1 is connected with the end of the threaded connecting steel pipe 2, the other end of the bidirectional connecting pipe 1 is connected with a hose, the air inflation and deflation conduit 12 penetrates through the bidirectional connecting pipe 1 and then is communicated with an air inflation and deflation through pipe 15 located in the inner drilling steel pipe 6, and the air suction through pipe 16 penetrates through the bidirectional connecting pipe 1 and then is communicated with the hose.
As shown in fig. 1, the plugging device for pipeline construction further comprises a barometer 13, and the barometer 13 is installed on the inflation and deflation conduit 12 and is used for measuring air pressure.
The working principle is as follows: when in use, one end of the threaded connection steel pipe 2 is provided with the lock nut 3, one end of the lock nut 3 is provided with the jacking outer sleeve 4, one end of the jacking outer sleeve 4 is provided with the tensioning support 5, the lock nut 3 is downwards rotated through matching with the threaded connection steel pipe 2 to push the jacking outer sleeve 4 to be pressed downwards, so that the tensioning support 5 is opened and clamped on the inner wall of a pipeline, the device can be fixed, the internal drilling steel pipe 6 is arranged inside the tensioning support 5, the internal drilling steel pipes 6 can be multiple, the two internal drilling steel pipes 6 are connected through the connecting sleeve 7, the connecting sleeve 7 is internally provided with the first sealing sleeve 17 and the second sealing sleeve 18 which can be used for matching connection between the two adjacent inflation and deflation through pipes 15 and the two adjacent through pipes 16, leakage can not occur during connection through the first sealing sleeve 17 and the second sealing sleeve 18, the multiple internal drilling steel pipes 6 are continuously connected together through the connecting sleeve 7, the plugging distance of the device can be prolonged, and construction is facilitated; the gas transmission control valve 14 can be connected with an inflator pump to inflate the plugging air bag 8, gas can be discharged from the inside of the plugging air bag 8 through a gas charging and discharging hole at one end of the gas transmission control valve 14, the device is convenient to recover, gas charging and discharging of the plugging air bag 8 are carried out through a gas charging and discharging through pipe 15, and the plugging air bag 8 is adopted to facilitate plugging of a liquid storage pipeline; when the pipeline is subjected to flammable gas, the closing cap 19 is detached in advance, the sealing block 11 is arranged on the outer side of the inner drilling steel pipe 6 and is placed in the pipeline together with the plugging air bag 8 to form secondary plugging; inflammable gas is then through setting up the aspiration pump, is connected the one end of aspiration pump and hose, and the work of aspiration pump takes inflammable gas out through the siphunculus of bleeding for safer during the welded tube, can deposit liquid pipeline or shutoff according to the shutoff and deposit inflammable gas pipeline and carry out the shutoff respectively to different characteristics, be convenient for to the maintenance and the connection of pipeline.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a plugging device is used in pipeline construction which characterized in that includes:
an inflation and deflation device;
a plurality of inner drilling steel pipes; two adjacent inner drilling steel pipes are connected through a connecting sleeve;
plugging the air bag; the plugging air bag is arranged on the outer wall of one inner drilling steel pipe, the air charging and discharging device is connected with the plugging air bag through a plurality of inner drilling steel pipes, and the air charging and discharging device is used for charging and discharging the plugging air bag; the plugging air bag is used for plugging the pipeline after being inflated and expanded;
a fixing device; a plurality of inner drilling steel pipes, a plugging air bag and a fixing device are all arranged in the pipeline, the fixing device is installed on the outer wall of one inner drilling steel pipe, and the fixing device is fixedly connected with the inner wall of the pipeline.
2. The plugging device for pipeline construction as claimed in claim 1, wherein the inflation and deflation device comprises an inflation pump, a gas delivery control valve, an inflation and deflation conduit, and an inflation and deflation through pipe, wherein the gas output end of the inflation pump is connected with the inflation and deflation through pipe through the inflation and deflation conduit, the inflation and deflation through pipe is connected with the plugging air bag, the gas delivery control valve is mounted on the inflation and deflation conduit, the inflation and deflation through pipe is multiple, and the inflation and deflation through pipe is respectively arranged in the multiple inner drilling steel pipes.
3. The plugging device for pipeline construction according to claim 2, wherein the connection between the inflation and deflation conduit and the inflation and deflation through pipe and the connection between two adjacent inflation and deflation through pipes are connected by a first sealing sleeve.
4. The plugging device for pipeline construction according to claim 1, wherein the fixing device comprises a lock nut, a jacking outer sleeve and a tensioning support, the tensioning support comprises a fixing frame and a plurality of opening frames, the fixing frame is fixedly sleeved on the side wall of the inner drilling steel pipe positioned at the head part, one ends of the plurality of opening frames are rotatably connected with the fixing frame, one part of each opening frame, which is close to the second end of the opening frame, is rotatably connected with one end of the jacking outer sleeve through a connecting rod, the jacking outer sleeve is slidably sleeved outside the inner drilling steel pipe positioned at the head part, the first end of the inner drilling steel pipe positioned at the head part is formed into a threaded connection steel pipe, the lock nut is screwed on the threaded connection steel pipe, and the lock nut is tightly abutted against one end of the jacking outer.
5. The plugging device for pipeline construction according to claim 1, wherein the plugging device for pipeline construction further comprises two fixing bolts, two fixing pressing plates, a sealing block, a closing cap and an air exhaust through pipe, wherein the side wall of the inner drilling steel pipe at the tail part to the tail end is provided with threads, the two fixing pressing plates and the sealing block can be slidably sleeved on the threads, the two fixing pressing plates are respectively arranged at two sides of the sealing block, the two fixing bolts are respectively screwed on the threads, and the two fixing bolts are respectively arranged at two sides of the two fixing pressing plates and are used for fixing the positions of the two fixing pressing plates and the sealing block; the size of the sealing block is matched with the inner wall of the pipeline, and the sealing block is used for plugging the pipeline; the closed cap is screwed on the end thread of the inner drilling steel pipe at the tail part; the siphunculus of bleeding is many, and arranges in many interior drilling steel pipes respectively in, and adjacent two bleed between the siphunculus all through the sealed bushing connection of second, and many bleed siphunculus connect back one end and the interior drilling steel pipe tip intercommunication that is located the afterbody, and many other ends after the siphunculus connection of bleeding connect the outside through being located the interior drilling steel pipe of prelude after.
6. The plugging device for pipeline construction according to claim 5, wherein: the plugging device for pipeline construction further comprises a two-way connecting pipe, one end of the two-way connecting pipe is connected with the end of the threaded connection steel pipe, the other end of the two-way connecting pipe is connected with a hose, the air inflation and deflation guide pipe penetrates through the two-way connecting pipe and then is communicated with an air inflation and deflation through pipe located in the inner drilling steel pipe, and the air exhaust through pipe penetrates through the two-way connecting pipe and then is communicated with the hose.
7. The plugging device for pipeline construction according to claim 2, wherein: the plugging device for pipeline construction further comprises a barometer, and the barometer is installed on the air inflation and deflation guide tube and used for measuring air pressure.
CN202020969824.0U 2020-06-01 2020-06-01 Plugging device is used in pipeline construction Active CN212251690U (en)

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CN202020969824.0U CN212251690U (en) 2020-06-01 2020-06-01 Plugging device is used in pipeline construction

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CN202020969824.0U CN212251690U (en) 2020-06-01 2020-06-01 Plugging device is used in pipeline construction

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112604723A (en) * 2021-01-07 2021-04-06 张智翔 Gene detection is with placing pipe, rack and storage box
CN114294505A (en) * 2021-11-19 2022-04-08 北京城建集团有限责任公司 Inflatable pipe plug
CN114701059A (en) * 2022-04-01 2022-07-05 中建科技(济南)有限公司 Prefabricated wallboard preformed hole construction equipment
CN115183082A (en) * 2022-07-14 2022-10-14 哈工大机器人(合肥)国际创新研究院 Air bag plugging robot

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112604723A (en) * 2021-01-07 2021-04-06 张智翔 Gene detection is with placing pipe, rack and storage box
CN114294505A (en) * 2021-11-19 2022-04-08 北京城建集团有限责任公司 Inflatable pipe plug
CN114701059A (en) * 2022-04-01 2022-07-05 中建科技(济南)有限公司 Prefabricated wallboard preformed hole construction equipment
CN114701059B (en) * 2022-04-01 2023-09-26 中建科技(济南)有限公司 Prefabricated wallboard preformed hole construction equipment
CN115183082A (en) * 2022-07-14 2022-10-14 哈工大机器人(合肥)国际创新研究院 Air bag plugging robot
CN115183082B (en) * 2022-07-14 2023-06-20 哈工大机器人(合肥)国际创新研究院 Gasbag shutoff robot

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