CN107740905B - Leakage stopping device and method for water pipeline - Google Patents
Leakage stopping device and method for water pipeline Download PDFInfo
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- CN107740905B CN107740905B CN201711070176.4A CN201711070176A CN107740905B CN 107740905 B CN107740905 B CN 107740905B CN 201711070176 A CN201711070176 A CN 201711070176A CN 107740905 B CN107740905 B CN 107740905B
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- extrusion belt
- telescopic
- extrusion
- belt
- water pipeline
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Classifications
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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
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/163—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
Abstract
The invention relates to a leakage stopping device and a leakage stopping method for a water pipeline, wherein the device comprises an extrusion belt, the extrusion belt is plate-shaped, the side surface of the extrusion belt where the thickness is located is bent into a C shape, a C-shaped notch of the extrusion belt is a telescopic notch, a telescopic part is arranged at the position of the extrusion belt, which is located inside the C shape, and the telescopic part is used for adjusting the opening size of the telescopic notch; and a sealing element is arranged at the periphery of the C-shaped extrusion belt. The leakage stopping method is characterized in that an extrusion belt is arranged in a pipeline, the circumference of the extrusion belt can be lengthened and tightly supported on the inner wall of the pipeline by utilizing the adjusting function of the telescopic part, and then a sealing element is extruded to stop leakage gaps, so that the leakage stopping function is realized, the operation is simple, and the construction cost is low. In the preferred mode, be provided with three sealing members of parallel overall arrangement, cooperation flexible filler material can realize better leaking stoppage effect.
Description
Technical Field
The invention relates to a device and a method for stopping leakage of water delivery pipelines such as urban underground sewage pipes, rainwater pipes and the like.
Background
Underground sewage pipes and rainwater pipes for municipal construction are generally large-diameter cement pipes which are assembled in a splicing manner to form long pipelines. Generally, the joints of the pipelines are designed to be flexible, so that water leakage from the joints is prevented. However, in the actual engineering, due to the installation quality or the uneven settlement of the foundation, the pipeline joint is often not tightly sealed, leakage occurs, and if leakage is blocked in time, the leakage can wash the foundation to damage the road.
The existing repairing method needs to dig out the water leakage pipeline from the ground and reinstall a new pipeline, so that the construction cost is high and the influence on traffic is large. Or the leakage stopping agent is injected at the leakage position of the pipeline, but the leakage stopping agent is a rigid material after being solidified, can not be deformed correspondingly, and if the subsequent foundation is slightly settled, water can leak at the joint position quickly.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the leakage stopping device and the leakage stopping method for the water pipeline are provided, and the problem of seam leakage can be solved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the leakage stoppage device for the water pipeline comprises an extrusion belt, wherein the extrusion belt is plate-shaped, the side face of the extrusion belt where the thickness is located is bent into a C shape, a C-shaped notch of the extrusion belt is a telescopic notch, a telescopic part is arranged at the position of the extrusion belt inside the C shape, and the telescopic part is used for adjusting the opening size of the telescopic notch; and a sealing element is arranged at the periphery of the C-shaped extrusion belt.
Furthermore, the sealing element is strip-shaped, a groove is formed in the position, located on the periphery of the C-shaped part, of the extrusion belt, the groove extends along the direction of the C-shaped part, and the sealing element is located in the groove.
Furthermore, the extrusion belt is provided with at least three grooves which are arranged in parallel, each groove is provided with one sealing element, and flexible filling materials are filled on two sides of each sealing element.
Further, the sealing element is in a closed-loop strip shape; the end parts of the extrusion belts, which are positioned at the telescopic gaps, are square wave-shaped tooth structures which are mutually embedded.
Furthermore, the telescopic part comprises two supports which are respectively arranged at the positions of the two ends of the telescopic gap on the extrusion belt, and an adjusting screw rod which sequentially penetrates through the two supports and is used for adjusting the opening size of the telescopic gap.
The leakage stoppage method for the water pipeline adopts the leakage stoppage device and comprises the following steps: adjusting the telescopic part to reduce the opening of the telescopic gap and shorten the perimeter of the extrusion belt, and loading the extrusion belt into the water pipeline; adjusting the position of the extrusion belt to enable the sealing element on the outer wall of the extrusion belt to be positioned at the leakage seam of the water delivery pipeline; and adjusting the telescopic part to enlarge the opening of the telescopic gap, lengthening the perimeter of the extrusion belt, tightly supporting the extrusion belt inside the water pipeline, and pressing the sealing element at the leakage seam of the water pipeline.
The leakage stoppage method for the water pipeline adopts the leakage stoppage device and comprises the following steps:
adjusting the telescopic part to reduce the opening of the telescopic gap and shorten the perimeter of the extrusion belt, and loading the extrusion belt into the water pipeline; adjusting the position of the extrusion belt to enable the sealing elements in the middle groove of the outer wall of the extrusion belt to be positioned at the joint of the water conveying pipeline, wherein the sealing elements in the other two grooves are respectively positioned at two sides of the joint, and the flexible filling material is positioned between the adjacent sealing elements;
adjust flexible portion, make the opening grow of flexible breach, the extruded strip girth becomes long, and the extruded strip props up inside water pipe, and compresses tightly the sealing member in the middle recess of extruded strip outer wall at the seam, compresses tightly two other sealing members at the inner wall of the water pipe of seam both sides, compresses tightly flexible filler material at the inner wall of water pipe.
The invention has the beneficial effects that: according to the plugging device and the plugging method, the extrusion belt is arranged in the pipeline, the circumference of the extrusion belt can be lengthened by utilizing the adjusting function of the telescopic part and is tightly supported on the inner wall of the pipeline, and then the sealing element is extruded to plug the leakage gap, so that the plugging function is realized, the operation is simple, and the construction cost is low. In the preferred mode, be provided with three sealing members of parallel overall arrangement, cooperation flexible filler material can realize better leaking stoppage effect.
Drawings
Figure 1 is a schematic cross-sectional view of a plugging device according to the invention installed in a pipeline;
FIG. 2 is a schematic view of the plugging device of the present invention plugging at a seam;
FIG. 3 is a schematic view of a telescoping gap of an embodiment of the leak stopping device of the present invention;
FIG. 4 is a schematic view of the embodiment of FIG. 3 with the opening of the telescopic gap enlarged;
the reference numbers in the figures are: the device comprises an extrusion belt 1, a telescopic part 10, a telescopic gap 11, a bracket 12, an adjusting screw 13, a nut 131, a sealing element 14, a flexible filling material 15, a groove 16 and a pipeline 2.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
the leakage stoppage device for the water pipeline comprises an extrusion belt 1, wherein the extrusion belt 1 is plate-shaped, the side surface of the extrusion belt 1 where the thickness is located is bent into a C shape, a C-shaped gap of the extrusion belt 1 is a telescopic gap 11, a telescopic part 10 is arranged at the position of the extrusion belt 1, which is located inside the C shape, and the telescopic part 10 is used for adjusting the opening size of the telescopic gap 11; the position of the extrusion belt 1 at the periphery of the C-shaped part is provided with a sealing part 14.
As shown in figure 1, the plugging device is used for being installed on the inner wall of a water pipeline, tightly supporting a sealing element and realizing plugging. Specifically, the extrusion band 1 is plate-shaped and bent into a C-shape, and the opening of the telescopic gap 11 can be reduced or enlarged by the adjustment function of the telescopic part 10, so that the circumference of the C-shape bent by the extrusion band 1 is reduced or enlarged. When the circumference of the extrusion belt 1 is reduced, the extrusion belt can be arranged in a pipeline, and when the circumference of the extrusion belt 1 is increased, the extrusion belt is tightly supported and extruded in the pipeline.
The pressing belt 1 is provided with a sealing element 14 at the periphery of the C-shaped part, the sealing element 14 is preferably made of flexible deformable materials, and the sealing element 14 can be pressed by the pressing belt 1 to block the leakage position of the pipeline.
According to different environments, the extrusion belt 1 can be made of different materials, for example, for a sewage pipeline, the extrusion belt 1 can be made of a PVC material, namely polyvinyl chloride, so that the extrusion belt has good corrosion resistance and the service life of the extrusion belt is guaranteed. Stainless steel, silicon tetrafluoride and other materials may be used.
The sealing member 14 may be connected to the compression belt 1, for example, the sealing member 14 may be adhered to the periphery of the compression belt 1, or the sealing member 14 and the compression belt 1 may be separate components and temporarily combined for use when being installed.
For plugging individual leakage points on the inner wall of the pipeline, the telescopic gap 11 can be a section of common fracture, so that when the C-shaped extrusion belt 1 is expanded, the sealing element 14 can be extruded to plug the leakage points, and the shape of the sealing element 14 can also be designed according to needs, for example, the sealing element can be a square flexible rubber sheet.
The specific using method can adopt the following steps:
adjusting the telescopic part 10 to reduce the opening of the telescopic gap 11, shortening the circumference of the extrusion belt 1, and loading the extrusion belt 1 into the water pipeline; adjusting the position of the extrusion belt 1 to enable the sealing element 14 on the outer wall of the extrusion belt 1 to be positioned at a leak seam of the water conveying pipeline; the telescopic part 10 is adjusted to enlarge the opening of the telescopic gap 11, the circumference of the extrusion belt 1 is lengthened, the extrusion belt 1 is tightly supported inside the water pipeline, and the sealing element 14 is tightly pressed at the leakage seam of the water pipeline.
Typically, for local leakage stoppage of a pipeline joint, it is preferable that the sealing member 14 is a strip, the pressing belt 1 is provided with a groove 16 at a position on the periphery of the C, the groove 16 extends along the C, and the sealing member 14 is located in the groove 16.
The strip-shaped sealing element 14 is always positioned in the groove 16, so that slippage can be avoided, and when the C-shaped extrusion belt 1 is expanded, the strip-shaped sealing element 14 can be just extruded to block a leakage section of a seam.
More preferably, in order to improve the leakage stoppage effect, the extrusion belt 1 may be provided with at least three grooves 16 arranged in parallel, each groove 16 is provided with one sealing element 14, and both sides of each sealing element 14 are further filled with flexible filling materials 15.
As shown in fig. 2, three parallel grooves 16 are respectively provided with a sealing member 14, and the middle sealing member 14 is pressed by the pressing belt 1 for blocking the seam of the pipeline 2. Two other sealing elements 14 are respectively arranged at two sides of the joint and are pressed on the inner wall of the pipeline 2 by the extrusion belt 1, and the two sides of the sealing elements 14 are also filled with flexible filling materials 15, so that the leakage stoppage effect can be enhanced in the preferable mode.
The specific using method comprises the following steps:
adjusting the telescopic part 10 to reduce the opening of the telescopic gap 11, shortening the circumference of the extrusion belt 1, and loading the extrusion belt 1 into the water pipeline; adjusting the position of the extrusion belt 1 to enable the sealing elements 14 in the middle groove 16 of the outer wall of the extrusion belt 1 to be positioned at the joint of the water conveying pipeline, the sealing elements 14 in the other two grooves 16 are respectively positioned at two sides of the joint, and the flexible filling material 15 is positioned between the adjacent sealing elements 14;
the telescopic part 10 is adjusted to enlarge the opening of the telescopic gap 11, the circumference of the extrusion belt 1 is lengthened, the extrusion belt 1 is tightly supported inside the water pipeline, the sealing elements 14 in the middle groove 16 of the outer wall of the extrusion belt 1 are compressed and blocked at the joint, the other two sealing elements 14 are compressed on the inner walls of the water pipeline on the two sides of the joint, and the flexible filling material 15 is compressed on the inner walls of the water pipeline.
Typically, if a complete ring of the pipe is to be sealed, for example, a female pipe, then the following preferred methods may be used: the sealing member 14 may be a closed loop strip; the end parts of the extrusion belt 1, which are positioned at the telescopic gaps 11, are of square wave tooth-shaped structures which are mutually embedded.
As shown in fig. 3, when the opening of the telescopic gap 11 is small, the square-wave-shaped tooth structures are deeply embedded with each other, as shown in fig. 4, when the opening of the telescopic gap 11 is enlarged, the square-wave-shaped tooth structures still keep the mutual embedded state, but the gap is enlarged, so that an outward extrusion force can still be applied to the sealing element 14 at the telescopic gap 11, and the sealing element 14 can completely block a circle of complete annular seam. The sealing member 14 may be a rubber ring, and the flexible filling material 15 may be a foam plate or the like.
For example, an arc top plate may be provided on the telescopic portion 10, the top plate is connected to a bracket of the telescopic portion 10 through a bolt, and the arc top plate may be extended toward the telescopic gap 11 by rotating the bolt, so that the sealing member 14 at the gap may be abutted to completely seal a circle of joint.
The aforesaid telescopic part 10 is used for adjusting the opening size of flexible breach 11, and typical form can be, and telescopic part 10 includes two supports, two the support is installed respectively and is located the position at flexible breach 11 both ends on extrusion area 1, still is provided with the regulation pole, adjusts the pole and passes two supports in proper order, is provided with a plurality of holes along length direction on the regulation pole, wherein has inserted the bolt in two holes respectively, and the bolt blocks the side in the opposite direction of support. During the use, insert two bolts in the hole of different intervals, then can adjust the support interval of two, and then adjust the opening size of flexible breach 11.
More preferably, the adjustment can be realized through screw adjustment, for example, the telescopic portion 10 includes two brackets 12, the two brackets 12 are respectively installed on the extrusion belt 1 at positions at two ends of the telescopic gap 11, and the adjustment screw 13 is further included, and the adjustment screw 13 sequentially penetrates through the two brackets 12 for adjusting the opening size of the telescopic gap 11.
As shown in fig. 1, the adjusting screw 13 may sequentially pass through the two brackets 12, and the nuts 131 are respectively disposed at opposite sides of the two brackets 12, and the distance between the two brackets 12 is increased by rotating the nuts 131, so that the distance between the two brackets 12 is increased, the opening of the telescopic gap 11 is enlarged, the circumference of the extrusion belt 1 is enlarged, and the extrusion belt can be tightly supported on the inner wall of the pipe.
Obviously, other implementation manners are also possible, for example, both ends of the adjusting screw 13 may be respectively provided with a positive thread and a negative thread, the positive thread and the negative thread are respectively in threaded fit with the two brackets 12, and then the adjusting screw 13 is rotated, so that the telescopic gap 11 can be tensioned or stretched, and the function of adjusting the opening size of the telescopic gap 11 is realized.
Claims (3)
1. The leakage stopping device for the water pipeline is characterized by comprising an extrusion belt (1), wherein the extrusion belt (1) is plate-shaped, the side surface of the extrusion belt (1) where the thickness is located is bent into a C shape, a C-shaped gap of the extrusion belt (1) is a telescopic gap (11), a telescopic part (10) is arranged at the position, located inside the C shape, of the extrusion belt (1), and the telescopic part (10) is used for adjusting the opening size of the telescopic gap (11); a sealing element (14) is arranged at the periphery of the C-shaped extrusion belt (1);
a groove (16) is formed in the position, located on the periphery of the C-shaped part, of the extrusion belt (1), the groove (16) extends along the direction of the C-shaped part, and the sealing element (14) is located in the groove (16);
the extrusion belt (1) is provided with at least three grooves (16) which are arranged in parallel, each groove (16) is respectively provided with one sealing element (14), and both sides of each sealing element (14) are also filled with flexible filling materials (15);
the sealing element (14) is in a closed-loop strip shape; the end part of the extrusion belt (1) positioned at the telescopic gap (11) is of a square wave-shaped tooth structure which is mutually embedded;
the telescopic part (10) comprises two supports (12), the two supports (12) are respectively installed on the extrusion belt (1) and located at the positions of the two ends of the telescopic gap (11), and the telescopic part further comprises an adjusting screw rod (13), and the adjusting screw rod (13) sequentially penetrates through the two supports (12) and is used for adjusting the opening size of the telescopic gap (11).
2. The leak stopping method for the water pipeline is characterized in that the leak stopping device as claimed in claim 1 is adopted, and the following steps are carried out: adjusting the telescopic part (10) to reduce the opening of the telescopic gap (11), shorten the circumference of the extrusion belt (1), and loading the extrusion belt (1) into the water pipeline; adjusting the position of the extrusion belt (1) to enable a sealing element (14) on the outer wall of the extrusion belt (1) to be positioned at a leak seam of the water conveying pipeline; the telescopic part (10) is adjusted to enlarge the opening of the telescopic gap (11), the circumference of the extrusion belt (1) is lengthened, the extrusion belt (1) is tightly supported inside the water pipeline, and the sealing element (14) is tightly pressed at the leakage seam of the water pipeline.
3. A plugging method for a water pipeline, wherein the water pipeline is provided with a joint, and is characterized in that the plugging device as claimed in claim 1 is adopted, and the following steps are carried out:
adjusting the telescopic part (10) to reduce the opening of the telescopic gap (11), shorten the circumference of the extrusion belt (1), and loading the extrusion belt (1) into the water pipeline; adjusting the position of the extrusion belt (1) to enable the sealing elements (14) in the middle grooves (16) of the outer wall of the extrusion belt (1) to be positioned at the joint of the water pipeline, the sealing elements (14) in the other two grooves (16) are respectively positioned at two sides of the joint, and the flexible filling material (15) is positioned between the adjacent sealing elements (14);
adjust flexible portion (10), make the opening grow of flexible breach (11), extrusion area (1) girth becomes long, and extrusion area (1) props tightly inside water pipe, and compresses tightly sealing member (14) in middle recess (16) of extrusion area (1) outer wall at the seam, compresses tightly two other sealing member (14) at the inner wall of the water pipe of seam both sides, compresses tightly flexible filler material (15) at the inner wall of water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711070176.4A CN107740905B (en) | 2017-11-03 | 2017-11-03 | Leakage stopping device and method for water pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711070176.4A CN107740905B (en) | 2017-11-03 | 2017-11-03 | Leakage stopping device and method for water pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107740905A CN107740905A (en) | 2018-02-27 |
| CN107740905B true CN107740905B (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711070176.4A Active CN107740905B (en) | 2017-11-03 | 2017-11-03 | Leakage stopping device and method for water pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN107740905B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974949B (en) * | 2019-04-24 | 2024-04-05 | 美肯沃利工程技术咨询(北京)有限公司 | Detection device for leakage of deformation joint of circular tunnel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5340160A (en) * | 1989-11-21 | 1994-08-23 | Wavin B.V. | Thermoplastic saddle in two parts for repairing or renovating a pipe line with branch pipe and repaired or renovated pipe with a saddle |
| CN2610206Y (en) * | 2003-03-21 | 2004-04-07 | 宁克远 | 'Perpetual motion' lining tube for repairing pipeline |
| CN101037876A (en) * | 2007-04-18 | 2007-09-19 | 上海龙日建设开发有限公司 | Underground sewer repairing method |
| CN205640030U (en) * | 2016-05-24 | 2016-10-12 | 马鞍山宏力橡胶制品有限公司 | Internal expanding type rubber seal |
-
2017
- 2017-11-03 CN CN201711070176.4A patent/CN107740905B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5340160A (en) * | 1989-11-21 | 1994-08-23 | Wavin B.V. | Thermoplastic saddle in two parts for repairing or renovating a pipe line with branch pipe and repaired or renovated pipe with a saddle |
| CN2610206Y (en) * | 2003-03-21 | 2004-04-07 | 宁克远 | 'Perpetual motion' lining tube for repairing pipeline |
| CN101037876A (en) * | 2007-04-18 | 2007-09-19 | 上海龙日建设开发有限公司 | Underground sewer repairing method |
| CN205640030U (en) * | 2016-05-24 | 2016-10-12 | 马鞍山宏力橡胶制品有限公司 | Internal expanding type rubber seal |
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| Publication number | Publication date |
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| CN107740905A (en) | 2018-02-27 |
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