CN111677973A - Method for supporting and repairing old pipeline compound circle framework - Google Patents
Method for supporting and repairing old pipeline compound circle framework Download PDFInfo
- Publication number
- CN111677973A CN111677973A CN202010460170.3A CN202010460170A CN111677973A CN 111677973 A CN111677973 A CN 111677973A CN 202010460170 A CN202010460170 A CN 202010460170A CN 111677973 A CN111677973 A CN 111677973A
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- pipeline
- tubular framework
- framework
- net
- expansion
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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
- F16L55/1645—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a sealing material being introduced inside the pipe by means of a tool moving in the pipe
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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
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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
- F16L55/18—Appliances for use in repairing pipes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides a method for supporting and repairing an old pipeline compound circle framework, which comprises the following steps: s1, selecting a net-shaped tubular framework with the outer diameter smaller than the inner diameter of the pipeline, and sleeving an elastic material outside the net-shaped tubular framework; s2: sleeving the reticular tubular framework outside the expansion and contraction device, tightly supporting the reticular tubular framework by using the expansion and contraction device, and moving the expansion and contraction device and the reticular tubular framework to the damaged position in the pipeline; s3: the expansion and contraction device expands to open the net-shaped tubular framework. S4: the collapsible device is collapsed, so that the collapsible device is separated from the net-shaped tubular framework, and the collapsible device is moved out of the pipeline. The pipeline repairing method is more convenient and fast to operate, the net-shaped tubular framework is moved to the damaged position of the pipeline by adopting the expansion and contraction equipment, and then the net-shaped tubular framework is expanded by the expansion and contraction equipment; the pipeline is not easy to damage again after being repaired, and the outer side of the pipeline is sleeved with elastic rubber, so that the pipeline is corrosion-resistant and long in service time; the labor and material resources are saved, and the pipeline repairing cost is reduced.
Description
Technical Field
The invention relates to the technical field of pipeline repair, in particular to a method for repairing an old pipeline by a compound circular framework support.
Background
When a pipeline is damaged, the pipeline needs to be repaired, and the existing pipeline repairing technology has the following four modes:
1. diameter reduction replacement: the method for replacing the original pipeline by jacking a pipe with an outer diameter smaller than that of the original pipeline has the defect that the space of the pipeline after replacement is much smaller than that of the original pipeline, so that the displacement is reduced.
2. Photocuring, spot repairing: the damaged part is filled and repaired by resin, and the method has the defects that the resin is easy to fall off after the repair, the maintenance time and the effect are not ideal, and the problem of service life after the repair cannot be solved.
3. Turning over with water: the water turning is a lining method, a solid slurry bag is sent into a pipeline, resin is injected into the solid slurry bag, and cooling solidification is carried out after the resin is saturated.
4. And (3) rounding the small-caliber old pipe: the disadvantage of this method is that it is difficult to operate.
Disclosure of Invention
Aiming at the problems, the invention provides a supporting and repairing method for an old pipeline compound round framework, which is more convenient to operate, wherein a net-shaped tubular framework is moved to a damaged part of a pipeline by adopting expansion and contraction equipment, and then the net-shaped tubular framework is expanded by the expansion and contraction equipment; the pipeline is not easy to damage again after being repaired, and the reticular tubular framework is made of stainless steel materials, and the outer side of the reticular tubular framework is sleeved with elastic rubber, so that the pipeline is corrosion-resistant and has long service life; greatly saves manpower and material resources and reduces the pipeline repairing cost.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a method for supporting and repairing an old pipeline by a compound circular framework comprises the following steps:
s1, selecting a net-shaped tubular framework with the outer diameter smaller than the inner diameter of the pipeline, and sleeving an elastic material outside the net-shaped tubular framework;
s2: sleeving the reticular tubular framework outside the expansion and contraction device, tightly supporting the reticular tubular framework by using the expansion and contraction device, and moving the expansion and contraction device and the reticular tubular framework to the damaged position in the pipeline;
s3: the expansion and contraction device expands to open the net-shaped tubular framework.
S4: the collapsible device is collapsed, so that the collapsible device is separated from the net-shaped tubular framework, and the collapsible device is moved out of the pipeline.
Preferably, in step S3, the collapsible device is expanded to an inner diameter of the mesh tubular framework close to the inner diameter of the pipeline.
Preferably, the reticular tubular framework is a circular ring-shaped reticular structure, the meshes of the reticular tubular framework are rhombic, and the longer diagonal line of the reticular tubular framework is parallel to the axis of the reticular tubular framework.
Preferably, the mesh tubular framework is made of stainless steel materials.
Preferably, the harmomegathus device is including the pressure cylinder, and the end of drawing is connected to pressure cylinder one end, the end that opens and shuts is connected to the pressure cylinder other end, draw the end with it has many connecting rods to open and shut end circumference is articulated, many the connecting rod other end articulates there is the polylith arc.
Preferably, a flange is installed on the opening and closing end, and the flange is hinged to the plurality of connecting rods in the circumferential direction.
Preferably, the traction end and the opening and closing end are respectively provided with a group of casters for facilitating the expansion and contraction device to enter and exit the pipeline.
Preferably, the elastic material is rubber.
The invention has the beneficial effects that:
1. the pipeline repairing method is more convenient and fast to operate, the net-shaped tubular framework is moved to the damaged position of the pipeline by adopting the expansion and contraction equipment, and then the net-shaped tubular framework is expanded by the expansion and contraction equipment;
2. the pipeline is not easy to damage again after being repaired, and the reticular tubular framework is made of stainless steel materials, and the outer side of the reticular tubular framework is sleeved with elastic rubber, so that the pipeline is corrosion-resistant and has long service life;
3. the invention greatly saves manpower and material resources and reduces the pipeline repairing cost.
Drawings
Fig. 1 is a perspective view of the collapsible device 2 of the present embodiment after being expanded;
fig. 2 is a perspective view of the collapsible device 2 of the present embodiment with the arc plate 7 removed;
fig. 3 is a perspective view of the collapsible device 2 of the present embodiment after collapsing;
FIG. 4 is a front view of the reticulated tubular skeleton 1;
fig. 5 is a left side view of the net-like tubular skeleton 1.
Detailed Description
The technical solution of the present invention is described below with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, the method for supporting and repairing the old pipeline with the compound circular skeleton according to the embodiment includes the following steps:
s1, selecting a netted tubular framework 1 with the outer diameter smaller than the inner diameter of the pipeline, wherein the netted tubular framework 1 is of a circular netted structure, meshes of the netted tubular framework are rhombic, and longer diagonal lines of the netted tubular framework are parallel to the axis of the netted tubular framework 1, the structure is convenient to unfold, the netted tubular framework 1 is made of stainless steel materials, the netted tubular framework 1 does not recover after being unfolded, the unfolded shape is kept, an elastic material is sleeved on the outer side of the netted tubular framework 1, and the elastic material is rubber and plays a role in waterproof and anti-soil sealing.
S2: the reticular tubular framework 1 is sleeved outside the expansion and contraction device 2, the reticular tubular framework 1 is tightly supported by the expansion and contraction device 2, and the expansion and contraction device 2 and the reticular tubular framework 1 are moved to the damaged position in the pipeline.
S3: the collapsible device 2 is expanded to expand the reticular tubular framework 1, and the collapsible device 2 is expanded until the size of the inner diameter of the reticular tubular framework 1 is close to the inner diameter of the pipeline.
S4: the collapsible device 2 is collapsed so that the collapsible device 2 is detached from the net-like tubular framework 1 and the collapsible device 2 is moved out of the pipeline.
Specifically, the harmomegathus device 2 is including pressure cylinder 3, and the one end of 3 bodies of pressure cylinder is connected and is drawn end 4, draws end 4 and is used for drawing harmomegathus device 2 and get into the pipeline or shift out the pipeline, the end 5 that opens and shuts is connected to 3 piston ends of pressure cylinder, draw end 4 with 5 circumference hinges of end that opens and shuts have many connecting rods 6, many 6 other ends of connecting rod hinge has polylith arc 7, open and shut and install a flange 8 on the end 5, flange 8 circumference hinges in many connecting rod 6, and 3 body circumference surfaces of pressure cylinder articulate in many connecting rod 6, 7 inboards of every arc all articulate there is many connecting rod 6. The traction end 4 and the opening and closing end 5 are respectively provided with a group of casters 9 to facilitate pipeline entry and exit. When the piston end of the pressure cylinder 3 is contracted, the arc-shaped plates 7 are mutually closed to form a cylinder, and the caster wheels 9 protrude out of the arc-shaped plates 7, so that when the collapsible device 2 enters and exits a pipeline, the caster wheels 9 are pressed on the inner wall of the pipeline, and the collapsible device 2 is convenient to push; when the piston end of the pressure cylinder 3 extends out, the arc plates 7 are mutually opened, and at the moment, the reticular tubular framework 1 is sleeved on the outer sides of the arc plates 7, so that the reticular tubular framework 1 is opened, and the reticular tubular framework 1 is opened until the inner diameter of the reticular tubular framework is close to the inner diameter of the pipeline.
The pipeline repairing method is more convenient and fast to operate, the net-shaped tubular framework 1 is moved to the damaged part of the pipeline by the expansion and contraction equipment 2, and then the net-shaped tubular framework 1 is expanded by the expansion and contraction equipment 2; the pipeline is not easy to damage again after being repaired, and the reticular tubular framework 1 is made of stainless steel materials, and elastic rubber is sleeved on the outer side of the reticular tubular framework, so that the pipeline is corrosion-resistant and long in service time; the invention greatly saves manpower and material resources and reduces the pipeline repairing cost.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. A method for supporting and repairing an old pipeline by a compound circular framework is characterized by comprising the following steps:
s1, selecting a net-shaped tubular framework with the outer diameter smaller than the inner diameter of the pipeline, and sleeving an elastic material outside the net-shaped tubular framework;
s2: sleeving the reticular tubular framework outside the expansion and contraction device, tightly supporting the reticular tubular framework by using the expansion and contraction device, and moving the expansion and contraction device and the reticular tubular framework to the damaged position in the pipeline;
s3: the expansion and contraction device expands to prop open the net-shaped tubular framework;
s4: the collapsible device is collapsed, so that the collapsible device is separated from the net-shaped tubular framework, and the collapsible device is moved out of the pipeline.
2. The method for supporting and repairing the old pipeline by the compound circular framework as claimed in claim 1, wherein: in step S3, the collapsible device is expanded until the inner diameter of the mesh tubular framework is close to the inner diameter of the pipeline.
3. The method for supporting and repairing the old pipeline by the compound circular framework as claimed in claim 1, wherein: the net-shaped tubular framework is of a circular ring-shaped net structure, meshes of the net structure are rhombic, and longer diagonal lines of the net structure are parallel to the axis of the net-shaped tubular framework.
4. The method for supporting and repairing the old pipeline by the compound circular framework as claimed in claim 1, wherein: the reticular tubular framework is made of stainless steel materials.
5. The method for supporting and repairing the old pipeline by the compound circular framework as claimed in claim 1, wherein: the expansion and contraction device comprises a pressure cylinder, one end of the pressure cylinder is connected with a traction end, the other end of the pressure cylinder is connected with an opening and closing end, the traction end and the opening and closing end are circumferentially hinged with a plurality of connecting rods, and the other ends of the connecting rods are hinged with a plurality of arc-shaped plates.
6. The method for supporting and repairing the old pipeline by the compound circular framework as claimed in claim 5, wherein: the opening and closing end is provided with a flange, and the flange is hinged to the plurality of connecting rods in the circumferential direction.
7. The method for restoring old pipelines by supporting them with a compound round skeleton as claimed in claim 5 or 6, wherein: the traction end and the opening and closing end are respectively provided with a group of trundles for facilitating the expansion and contraction device to enter and exit the pipeline.
8. The method for supporting and repairing the old pipeline by the compound circular framework as claimed in claim 1, wherein: the elastic material is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460170.3A CN111677973A (en) | 2020-05-27 | 2020-05-27 | Method for supporting and repairing old pipeline compound circle framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460170.3A CN111677973A (en) | 2020-05-27 | 2020-05-27 | Method for supporting and repairing old pipeline compound circle framework |
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| Publication Number | Publication Date |
|---|---|
| CN111677973A true CN111677973A (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010460170.3A Pending CN111677973A (en) | 2020-05-27 | 2020-05-27 | Method for supporting and repairing old pipeline compound circle framework |
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| Country | Link |
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| CN (1) | CN111677973A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750995A (en) * | 2022-11-08 | 2023-03-07 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Device and method for in-situ trenchless treatment of karst collapse risk points |
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| WO2009155173A2 (en) * | 2008-06-18 | 2009-12-23 | Mohammad Ehsani | Apparatus and method of reinforcing a conduit or vessel |
| CN101865349A (en) * | 2009-04-20 | 2010-10-20 | 管道连接公司 | The apparatus and method that are used for the internal repair of pipeline and pipeline |
| CN106499909A (en) * | 2015-09-07 | 2017-03-15 | 上海誉帆环境科技有限公司 | Drainage pipeline prosthetic device and drainage pipeline restorative procedure |
| CN207500708U (en) * | 2017-11-29 | 2018-06-15 | 杭州华仕管道工程有限公司 | A kind of novel pipeline local route repair device |
| CN109477605A (en) * | 2016-05-20 | 2019-03-15 | 奥兰莫尔环境服务有限公司 | Pipeline rehabilitation composition and method |
| CN210179167U (en) * | 2019-02-28 | 2020-03-24 | 广东银浩市政工程有限公司 | Pipeline structure deformation non-excavation prosthetic devices |
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2020
- 2020-05-27 CN CN202010460170.3A patent/CN111677973A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2273365Y (en) * | 1996-12-10 | 1998-01-28 | 天津大学 | Shape memory hold-down gag using for repairing pipe |
| WO2009155173A2 (en) * | 2008-06-18 | 2009-12-23 | Mohammad Ehsani | Apparatus and method of reinforcing a conduit or vessel |
| CN101865349A (en) * | 2009-04-20 | 2010-10-20 | 管道连接公司 | The apparatus and method that are used for the internal repair of pipeline and pipeline |
| CN106499909A (en) * | 2015-09-07 | 2017-03-15 | 上海誉帆环境科技有限公司 | Drainage pipeline prosthetic device and drainage pipeline restorative procedure |
| CN109477605A (en) * | 2016-05-20 | 2019-03-15 | 奥兰莫尔环境服务有限公司 | Pipeline rehabilitation composition and method |
| CN207500708U (en) * | 2017-11-29 | 2018-06-15 | 杭州华仕管道工程有限公司 | A kind of novel pipeline local route repair device |
| CN210179167U (en) * | 2019-02-28 | 2020-03-24 | 广东银浩市政工程有限公司 | Pipeline structure deformation non-excavation prosthetic devices |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750995A (en) * | 2022-11-08 | 2023-03-07 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Device and method for in-situ trenchless treatment of karst collapse risk points |
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Application publication date: 20200918 |
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| RJ01 | Rejection of invention patent application after publication |