CN112240451A - Blocking structure for pipeline fracture and disposal method - Google Patents
Blocking structure for pipeline fracture and disposal method Download PDFInfo
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- CN112240451A CN112240451A CN202011162988.3A CN202011162988A CN112240451A CN 112240451 A CN112240451 A CN 112240451A CN 202011162988 A CN202011162988 A CN 202011162988A CN 112240451 A CN112240451 A CN 112240451A
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- sealing gasket
- shell
- pressurizing
- pipeline
- bag
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- 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
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
- F16L55/172—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The application discloses a blocking structure for pipeline breakage and a disposal method, and relates to the field of pipeline rush repair. The blocking structure for the broken pipeline comprises an upper shell, a lower shell, an upper sealing gasket embedded on the upper shell, a lower sealing gasket embedded on the lower shell, and two groups of pressurizing bags respectively arranged between the upper sealing gasket and the upper shell and between the lower sealing gasket and the lower shell; the pressurizing bag is filled with a pressure source; the upper shell is provided with an upper groove for installing an upper sealing bag, and a group of pressurizing bags are arranged in the upper groove; the pressurizing opening of the pressurizing bag penetrates through the bottom wall or the side wall of the upper shell; the adjacent ends of the two groups of the pressurizing bags are arranged in a staggered mode. The blocking structure for the pipeline breakage and the disposal method improve the sealing effect after the pipeline breakage.
Description
Technical Field
The application relates to the field of pipeline emergency repair, in particular to a blocking structure for pipeline breakage and a disposal method.
Background
At present, with the increasing development of urban construction, various pipelines are widely applied to basic facilities such as water supply, drainage, agricultural irrigation, water conservancy and the like.
Taking an urban water supply pipeline as an example, a ductile cast iron pipe is generally adopted; during the use of the pipeline, the pipeline may leak or be damaged due to factors such as building or road construction, and the like, so that the emergency repair is required to be carried out in time.
The half type pipeline emergency repair joint is a device capable of quickly repairing the damaged part of an accident pipeline, and the damaged part of the pipeline is wrapped by the sealing rings in the upper shell and the lower shell and then clamped tightly to achieve the purpose of quickly stopping leakage, so that the time of stopping water can be saved, and the emergency repair cost can be reduced.
In view of the above-mentioned related technologies, the inventor found that after the huff-type pipe emergency repair section is repaired, a certain distance is kept between the inner walls of the upper and lower shells and the outer wall of the pipe, so as to form an annular cavity, which is not communicated with the outside, but is filled with a medium flowing out from a leakage point or a damaged part of the pipe.
Taking a water supply pipeline as an example, water flowing out of a leakage point or a damaged part of the water delivery pipeline enters the cavity and stays in the cavity for a long time under the action of the pressure of the water delivery pipeline, so that the water quality gradually deteriorates; when the water delivery pressure is reduced or disappears due to reasons such as water cut-off and the like, the deteriorated water flows back into the pipeline again, and is mixed with the water in the pipeline and then is delivered to users after the water delivery pressure is recovered, so that the potential safety hazard of water utilization exists.
Disclosure of Invention
In order to improve the sealing effect after the pipeline breaks, the application provides a pipeline broken plugging structure and a disposal method.
In a first aspect, the present application provides a blocking structure for pipeline rupture, which adopts the following technical scheme:
a blocking structure for pipeline breakage comprises an upper shell, a lower shell, an upper sealing gasket embedded on the upper shell, a lower sealing gasket embedded on the lower shell, and two groups of pressurizing bags respectively arranged between the upper sealing gasket and the upper shell and between the lower sealing gasket and the lower shell; the pressurizing bag is filled with a pressure source.
Through adopting above-mentioned technical scheme, the last casing of block structure and lower casing are cramped through the bolt and are being waited to repair the pipeline on, with sealed the pad with wait to repair the laminating of pipeline outer wall, recycle and pressurize the bag and carry out comprehensive suppression to sealed pad, seal the pipeline leakage orifice through successively twice sealed protective screen to this emergence that reduces the medium seepage condition in the pipeline, solve the probably backward flow pipeline of medium and cause the problem of fluid pollution in the pipeline, show the sealing performance and the stability that have improved the maintenance position.
Optionally, an upper groove for installing an upper sealing bag is formed in the upper shell, and a group of the pressurizing bags are arranged in the upper groove; the pressurizing opening of the pressurizing bag penetrates through the bottom wall or the side wall of the upper shell.
Through adopting above-mentioned technical scheme, go up the slot and provide the installation basis for last sealed pad and the bag that pressurizes, make the bag that pressurizes be located between last sealed pad and the last casing to exert pressure to last sealed pad smoothly.
Optionally, support rods are symmetrically and fixedly arranged on two opposite side walls of the upper groove, and corresponding mounting grooves are formed in the upper sealing gasket; the thickness dimension of the mounting groove is larger than that of the supporting rod; the distance between the support rod and the bottom of the upper groove is larger than the distance between the mounting groove and the outer arc surface of the upper sealing gasket.
By adopting the technical scheme, after the upper sealing gasket is embedded in the upper groove of the upper shell, the supporting rod is positioned in the mounting groove to support the upper sealing gasket; an appropriate interval is left between the outer arc surface of the upper sealing gasket and the bottom of the upper groove to form an arc-shaped channel for installing and placing the pressurizing bag.
Optionally, the lower casing structure is the same as the upper casing structure, and the lower gasket structure is the same as the upper gasket structure.
By adopting the technical scheme, the lower shell is provided with the lower groove and the supporting rod which are used for installing the lower sealing gasket; the lower sealing gasket is provided with a mounting groove matched with the support rod. After the lower sealing gasket is embedded on the lower shell, an arc-shaped channel for installing and placing the pressurizing bag is also formed between the lower sealing gasket and the lower shell.
Optionally, the adjacent ends of the two sets of the pressurizing bags are staggered.
Through adopting above-mentioned technical scheme, the adjacent tip staggered arrangement of two sets of bags that pressurize to cause local interference after the inflation, guarantee the suppression effect of the bag that pressurizes to sealed pad.
In a second aspect, the present application provides a method for treating a ruptured conduit, which uses a ruptured blocking structure of the conduit to implement the following steps:
the upper shell embedded with the upper sealing gasket and the lower shell embedded with the lower sealing gasket are clamped and sealed on the pipeline to be repaired through bolts;
injecting a pressure source into the pressurizing bag, and applying pressure to the upper sealing gasket and the lower sealing gasket by the pressurizing bag;
and finishing rush repair after detecting no leakage.
Optionally, the pressure source for filling the plenum bag is pneumatic or hydraulic.
Through adopting above-mentioned technical scheme, when the pressure source of pressurizing the bag was atmospheric pressure or hydraulic pressure, the bag that pressurizes carries out flexible support to sealed the pad, and is more comprehensive even to the pressure that sealed the pad was applyed.
Optionally, the pressure source injected into the plenum bag is a slurry.
Through adopting above-mentioned technical scheme, when the pressure source of pressurizing the bag was the thick liquids, the thick liquids carried out rigid support to sealed the pad, and the pressure of applyingly is more stable.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the plugging structure is firstly attached to the outer wall of the pipeline to be repaired by using the sealing gasket, the leakage hole of the pipeline is preliminarily sealed, and then the sealing gasket is comprehensively pressed by using the pressurizing bag, so that the sealing effect on the leakage hole of the pipeline is further improved;
2. through setting up the pressure source of different grade type, can carry out rigidity or flexible support to sealed the pad, improve the sealed effect of the suppression of the bag of pressurizing to sealed pad.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
fig. 2 is a schematic structural diagram of a plugging structure and a pipeline to be repaired according to an embodiment of the present application.
Description of reference numerals: 1. an upper housing; 2. a lower housing; 21. a lower trench; 3. an upper seal gasket; 4. a lower seal gasket; 5. a lug; 6. a support bar; 7. mounting grooves; 8. pressurizing the bag; 9. and (5) repairing the pipeline.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses a plugging structure for pipeline breakage. As shown in fig. 1, the plugging structure comprises an upper shell 1, a lower shell 2, an upper sealing gasket 3 and a lower sealing gasket 4, wherein the upper shell 1 and the lower shell 2 are in a semicircular tubular structure, and the notches of the upper shell 1 and the lower shell 2 are oppositely spliced to form a circular channel; two ends of the upper shell 1 and the lower shell 2 are respectively provided with a lug 5, and a through hole is reserved at the lug 5 and used for screwing a nut after a bolt passes through to fixedly connect the upper shell 1 and the lower shell 2 so as to be clamped on a pipeline 9 to be repaired.
The upper sealing gasket 3 and the lower sealing gasket 4 are matched with the upper shell 1 and the lower shell 2 in overall shape, the upper sealing gasket 3 is lined in the upper shell 1, the lower sealing gasket 4 is lined in the lower shell 2, and the shell hooped on the pipeline 9 to be repaired is used for plugging a pipeline leakage hole through the sealing gaskets.
A lower groove 21 is radially and inwardly arranged on the inner arc surface of the lower shell 2, and the lower sealing gasket 4 is embedded on the lower shell 2 through the lower groove 21; arc-shaped supporting rods 6 are fixedly arranged on two opposite side walls of the lower groove 21, corresponding mounting grooves 7 are formed in the side walls, opposite to the supporting rods 6, of the lower sealing gasket 4, and the thickness dimension of each mounting groove 7 is larger than that of each supporting rod 6; and the distance between the support rod 6 and the bottom of the lower groove 21 is larger than the distance between the mounting groove 7 and the outer arc surface of the lower sealing gasket 4.
Therefore, after the lower sealing gasket 4 is embedded in the lower groove 21 of the lower shell 2, the supporting rod 6 is positioned in the mounting groove 7, and the lower sealing gasket 4 can move along the radial direction of the lower shell 2 by a proper amount; when the lower sealing gasket 4 is not influenced by external force, the lower sealing gasket 4 is supported on the supporting rod 6 through the mounting groove 7, and at the moment, a proper amount of interval is left between the outer arc surface of the lower sealing gasket 4 and the bottom of the lower groove 21, so that an arc-shaped channel is formed.
The upper shell 1 has the same structure as the lower shell 2 and is provided with an upper groove for installing the upper sealing gasket 3 and a support rod 6; the upper sealing gasket 3 has the same structure as the lower sealing gasket 4 and is provided with a mounting groove 7 matched with the support rod 6. After the upper sealing gasket 3 is embedded on the upper shell 1, an arc-shaped channel is also formed between the upper sealing gasket 3 and the upper shell 1; after the upper shell 1 and the lower shell 2 are closed, the arc-shaped channel in the upper shell 1 and the arc-shaped channel in the lower shell 2 form an annular cavity.
A group of pressurizing bags 8 are respectively laid in the arc-shaped channel of the upper shell 1 and the arc-shaped channel of the lower shell 2 in a long way, and the adjacent end parts of the two groups of pressurizing bags 8 can be arranged in a staggered way so as to avoid local interference after pressurizing. The pressurizing heads of the two groups of pressurizing bags 8 penetrate through the bottom wall or the side wall of each shell, so that the workers can directly pressurize the pressurizing bags 8.
The pressure source filled in the pressurizing bag 8 may be pneumatic or hydraulic or slurry. The two groups of pressurized bags 8 apply pressure to the corresponding sealing gaskets integrally, the sealing gaskets are further compressed on the outer wall of the pipeline 9 to be repaired, and the sealing effect of the sealing structure on the leakage hole of the pipeline is ensured.
When the pressure source of the pressurizing bag 8 is air pressure or hydraulic pressure, the pressurizing bag 8 flexibly supports the sealing gasket, and the pressure applied to the sealing gasket is more comprehensive and uniform; when the pressure source of the pressurizing bag 8 is slurry, the slurry is a substance which can be quickly solidified, has higher strength after solidification, is nontoxic and harmless after solidification, such as concrete slurry or foam filler and the like, and is used for rigidly supporting the sealing gasket, so that the applied pressure is more stable.
As shown in fig. 2, when the plugging structure of the present application is used for plugging and maintaining a pipeline leakage port, an upper shell 1 embedded with an upper sealing gasket 3 and a lower shell 2 embedded with a lower sealing gasket 4 are clamped and sealed on a pipeline 9 to be repaired through bolts, and the pipeline leakage port is primarily sealed; then, a pressure source is injected into a pressurizing port of the pressurizing bag 8, the pressurizing bag 8 pressurizes and then exerts pressure on the upper sealing gasket 3 and the lower sealing gasket 4 in all directions, and the upper sealing gasket 3 and the lower sealing gasket 4 are further pressed on the pipeline 9 to be repaired, so that the sealing effect is improved; and finally, completing emergency repair after detecting no leakage.
The utility model provides a plugging structure earlier with sealed the pad with wait to repair the laminating of 9 outer walls of pipeline, recycle and pressurize bag 8 and carry out comprehensive suppression to sealed pad, carry out the shutoff through the sealed protective screen of earlier twice to pipeline leakage orifice to this emergence that reduces the medium seepage condition in the pipeline solves the probably backflow pipeline of medium and causes the problem of fluid pollution in the pipeline, is showing sealing performance and the stability that improves the maintenance position.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. A blocking structure for pipeline breakage is characterized in that: comprises an upper shell (1), a lower shell (2), an upper sealing gasket (3) embedded on the upper shell (1), a lower sealing gasket (4) embedded on the lower shell (2), and two groups of pressurizing bags (8) respectively arranged between the upper sealing gasket (3) and the upper shell (1) and between the lower sealing gasket (4) and the lower shell (2); the pressure filling bag (8) is filled with a pressure source.
2. The ruptured containment structure of claim 1 wherein: an upper groove for installing an upper sealing bag is formed in the upper shell (1), and a group of pressurizing bags (8) are arranged in the upper groove; the pressurizing opening of the pressurizing bag (8) penetrates through the bottom wall or the side wall of the upper shell (1).
3. The ruptured containment structure of claim 2 wherein: supporting rods (6) are symmetrically and fixedly arranged on two opposite side walls of the upper groove, and corresponding mounting grooves (7) are formed in the upper sealing gasket (3); the thickness of the mounting groove (7) is larger than that of the support rod (6); the distance between the support rod (6) and the bottom of the upper groove is larger than the distance between the mounting groove (7) and the outer arc surface of the upper sealing gasket (3).
4. The ruptured containment structure of claim 2 wherein: the structure of the lower shell (2) is the same as that of the upper shell (1), and the structure of the lower sealing gasket (4) is the same as that of the upper sealing gasket (3).
5. The ruptured containment structure of claim 1 wherein: the adjacent ends of the two groups of the pressurizing bags (8) are arranged in a staggered mode.
6. A method of treating a pipe rupture, comprising: using the ruptured closure structure of a pipeline according to any one of claims 1 to 5, the following steps are achieved:
an upper shell (1) embedded with an upper sealing gasket (3) and a lower shell (2) embedded with a lower sealing gasket (4) are clamped and sealed on a pipeline (9) to be repaired through bolts;
a pressure source is injected into the pressurizing bag (8), and the pressurizing bag (8) applies pressure to the upper sealing gasket (3) and the lower sealing gasket (4);
and finishing rush repair after detecting no leakage.
7. The method of handling a pipeline rupture according to claim 6, wherein: the pressure source for filling the pressurizing bag (8) is air pressure or hydraulic pressure.
8. The method of handling a pipeline rupture according to claim 6, wherein: the pressure source injected into the pressurizing bag (8) is slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011162988.3A CN112240451A (en) | 2020-10-27 | 2020-10-27 | Blocking structure for pipeline fracture and disposal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011162988.3A CN112240451A (en) | 2020-10-27 | 2020-10-27 | Blocking structure for pipeline fracture and disposal method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112240451A true CN112240451A (en) | 2021-01-19 |
Family
ID=74169799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011162988.3A Pending CN112240451A (en) | 2020-10-27 | 2020-10-27 | Blocking structure for pipeline fracture and disposal method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112240451A (en) |
-
2020
- 2020-10-27 CN CN202011162988.3A patent/CN112240451A/en active Pending
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