CN117404546A - Repair profile with laminating type spiral winding - Google Patents
Repair profile with laminating type spiral winding Download PDFInfo
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- CN117404546A CN117404546A CN202311579158.4A CN202311579158A CN117404546A CN 117404546 A CN117404546 A CN 117404546A CN 202311579158 A CN202311579158 A CN 202311579158A CN 117404546 A CN117404546 A CN 117404546A
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- section bar
- repairing
- cavity
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- 230000008439 repair process Effects 0.000 title claims abstract description 61
- 238000004804 winding Methods 0.000 title claims abstract description 25
- 238000010030 laminating Methods 0.000 title claims description 8
- 239000000463 material Substances 0.000 claims description 18
- 230000037314 wound repair Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 17
- 238000009412 basement excavation Methods 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 20
- 239000004033 plastic Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- 230000006378 damage Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1655—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section a pipe being formed inside the old pipe by winding strip-material
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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
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1656—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section materials for flexible liners
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The application provides a fitting type spiral winding repair section bar, wherein the repair section bar is of a strip shape, and the cross sections of any positions of the repair section bar are the same; the left part of the repairing section bar comprises a bottom, and the left side of the repairing section bar is a first inclined plane with a certain inclined angle; the bottom is flat surface up and down; the right side of the bottom is connected with the right side part of the repair section bar; a mushroom-shaped male lock catch extends upwards from the upper surface of the bottom; the right side part of the repairing section bar is provided with a flat surface at the upper part and a female lock catch corresponding to the male lock catch at the lower part; the left side below the female lock catch is provided with a notch and a second inclined plane which correspond to the bottom and the first inclined plane, and when the male lock catches of other repairing sections are mutually meshed with the female lock catches of the repairing sections, the upper surfaces and the lower surfaces of the two repairing sections are respectively positioned on a plane. The application has the advantages that: the method can be suitable for small pipe diameters, has higher rigidity, and realizes the integral non-excavation repair of the small pipe diameters. The influence on the water passing capability of the pipeline after repair is small.
Description
Technical Field
The application belongs to the technical field of non-excavation pipeline restoration, and particularly relates to a laminating type spiral winding restoration section bar.
Background
The underground plastic sewage pipe, the plastic drain pipe and the like have the advantages that the service life is prolonged, the bearing capacity of the pipeline is degraded, and the pipeline is deformed or collapsed due to the change of ground topography and the increase of ground load beyond the bearing capacity of the pipeline along with the new construction, the extension, the transformation and the like of the city, so that the drainage and pollution discharge functions of the pipeline are affected. If the problem of deformation or collapse of the underground pipeline cannot be solved in time, the risk that sewage overflows to pollute the surrounding environment or cause the pavement to collapse occurs. Therefore, it is necessary to repair deformed or collapsed pipes in time to ensure their normal drainage and sewage disposal functions.
At present, aiming at the restoration of the deformation or collapse of the plastic pipeline, the local excavation is mostly adopted for the deformed or collapsed part, the influence on the environment and the road surface traffic is relatively large, the construction period is long, the restoration efficiency is low, the restoration cost is high, the backfilling is needed after the pipeline restoration, the original landform is restored, the cost of the pipeline restoration is greatly increased, and the efficiency of the pipeline restoration is reduced.
The spiral winding method is a novel non-excavation repair technology with low construction investment, mature construction process and high safety coefficient, and the main working mechanism is that a prepared strip-shaped plastic pipe is wound and rotated in a problem pipeline to form a novel high-strength new pipe under the action of a special winding machine through a special winding machine for repairing the pipeline which is placed at the front end and the rear end of the problem pipeline from the upper end of an inspection well in advance. The non-excavation construction method has the advantages that the non-excavation construction is truly realized, the requirement on the environment in the pipeline is low during construction, the operation at two ends of the pipeline is not required to be blocked during construction, the requirement on the cleanliness of the pipe wall of the pipeline is also low, the spiral winding method belongs to integral construction, the construction forming is fast, the construction procedures such as heating and inflation are not required, the construction can be stopped at any time during the construction, the construction time is high in elasticity, the construction speed is fast, and the method can be suitable for repairing pipelines under various working conditions.
The prior pipeline repairing section bar is mainly suitable for large pipe diameter in China, the sealing effect of the joint of the section bar is not ideal after the section bar is wound, and meanwhile, the strip is thicker, so that the water passing capability of a new pipeline is affected. Therefore, a repair profile suitable for non-excavation needs to be provided, and the repair profile is matched with spiral winding equipment to finish updating of a pipeline, and meanwhile, larger ring stiffness is met, so that the problems are solved.
Disclosure of Invention
The utility model aims at overcoming the defects that the existing plastic pipeline is easy to collapse, damage, deform, corrode, age and the like, and in order to solve the problem of the overall dimension of the section bar in the existing small-diameter plastic pipeline trenchless repairing technology, the utility model provides a trenchless pipeline repairing section bar with strong sealing performance and stable structure.
In order to achieve the above purpose, the present application proposes a conformable spiral wound repair profile, which is elongated and has the same cross section at any place;
the left part of the repair section bar comprises a bottom; the left side of the bottom is a first inclined plane with a certain inclined angle; the bottom is flat in upper and lower surfaces; the right side of the bottom is connected with the right side part of the repairing section bar; a mushroom-shaped male lock catch extends upwards from the upper surface of the bottom;
the right side part of the repair section bar is provided with a flat surface at the upper part and a female lock catch corresponding to the male lock catch at the lower part; the surfaces of the male lock catch and the female lock catch are provided with adhesive materials;
the left side below the female lock catch is provided with a notch and a second inclined plane which correspond to the bottom and the first inclined plane; the oblique angles of the first oblique surface and the second oblique surface are 20-30 degrees; when the male lock catch of other repairing sectional materials is mutually meshed with the female lock catch of the repairing sectional material, the upper surfaces and the lower surfaces of the two repairing sectional materials are respectively positioned on a plane.
As an improvement of the repair section, a closed first cavity and a closed second cavity are arranged between the female lock catch and the upper surface of the right side part;
an inverted Y-shaped supporting structure is formed between the first cavity and the female lock catch and between the second cavity and the female lock catch;
the first cavity and the second cavity are mirror symmetrical with respect to the support structure.
As an improvement of the repair profile, the first cavity and the second cavity are filled with repair material.
As an improvement of the above described repair profile, the left and right side portions have a closed cavity area between them.
As an improvement of the repair profile, the closed cavity area is filled with steel plates.
As an improvement of the repair profile, the repair profile is made of PVC.
Compared with the prior art, the application has the advantages that:
due to the limitation of collapse deformation working conditions and pipe diameter sizes, most trenchless technologies cannot be applied, the original low-efficiency high-cost method for replacing the whole plastic pipe through excavation is changed, and trenchless integral updating and whole-course repairing of the aging deformation collapse pipe are realized. The original restoration section bar is applicable to the construction of great pipe diameter more, and the section bar that this application provided can be applicable to the little pipe diameter, has higher rigidity, realizes the whole non-excavation restoration to the little pipe diameter. The overall size of the laminated small-pipe-diameter repairing section is smaller, the repairing section is always laminated with the original pipe wall, the updated and repaired pipe is also laminated with the original pipe wall, and the influence on the water passing capacity of the pipe is small.
Drawings
FIG. 1 is a schematic diagram of a repair profile process;
FIG. 2 is a schematic view showing the overall structure of several repair profiles meshed together according to embodiment 1 of the present application;
FIG. 3 is a cross-sectional view of a repair profile provided in example 1 of the present application;
fig. 4 is a schematic diagram showing the overall structure of a repair profile according to embodiment 2 of the present application;
FIG. 5 is a cross-sectional view of a repair profile provided in example 2 of the present application;
fig. 6 is a schematic diagram showing the overall structure of a repair profile according to embodiment 3 of the present application;
FIG. 7 is a cross-sectional view of a repair profile provided in example 3 of the present application;
fig. 8 is a schematic diagram showing the overall structure of a repair profile according to embodiment 4 of the present application;
fig. 9 is a cross-sectional view of a repair profile provided in example 4 of the present application.
The attached drawings are identified:
1. winding machine 3, repairing section bar
4. Hydraulic oil pipe 5, winding device
6. Pipeline 8, rear wellhead
9. Front wellhead
10. Bottom 11, male shackle
12. Support structure 13, first cavity
14. Second cavity 15, female lock catch
16. Left side part 17, right side part
18. First inclined plane 19, second inclined plane
20. Notch 21, vertical cavity area
22. Expanding the cavity region
Detailed Description
The following describes the technical scheme of the present application in detail with reference to the accompanying drawings.
The utility model provides a repair section bar that laminating spiral winding is provided to current little pipe diameter plastic conduit warp subsides repair equipment and method, when adopting non-excavation technique repair pipeline, under the effort of winding equipment, fixed through public female hasp between the adjacent spiral section bar circle, because the section bar overall dimension is less, and the leakproofness is better, and the section bar is whole to be double-walled structure, guarantees that the condition that the size is less little satisfies great rigidity. And winding the pipe into a pipe in situ in the pipeline, so as to repair the whole pipeline to be repaired. In addition, the spiral winding section bar is in the non-excavation pipeline restoration process, and the construction is simple and convenient, does not need complicated construction equipment, and has wide application prospect. The spiral winding device and the corresponding repairing method are used for operating the deformed or collapsed small-diameter plastic pipeline, the pipeline can be replaced and updated integrally without excavation, the repaired lining pipeline is attached to the original pipeline, the excessive water volume of the repaired pipeline is prevented from being greatly reduced, the repairing efficiency of the plastic pipeline is greatly improved, and the repairing cost and the repairing period are reduced. The repair section bar can be spirally wound into a new lining pipe in the pipeline, the strip repair section bar can be spirally wound into the lining pipe through cooperation with spiral winding equipment, and meanwhile, the repair section bar is advanced by depending on a section bar spiral path. The profile has smaller size and higher strength, and can be suitable for updating the collapse deformation pipeline. The method is particularly suitable for complex working conditions such as deformation, small-amplitude collapse corrosion leakage and the like of ageing multiple places of a small-diameter plastic pipeline, and the pipeline needs to be replaced entirely.
As shown in fig. 1, in order to illustrate the process flow of the repairing profile, the underground drainage pipeline into which the profile enters from the wellhead is used in the pipeline 6, the repairing profile 3 is transported from the winding machine 1 on the ground to the device from the rear of the device via the rear wellhead 8. The hydraulic oil pipe 4 of the hydraulic driving element conveys hydraulic oil from the front of the device from the ground hydraulic pump station system 2 via the front wellhead 9, so that winding interference between the profile and the hydraulic oil pipe is avoided.
Example 1:
as shown in fig. 2, an effect diagram of several conformable spiral wound repair profiles mounted together is shown. Fig. 3 is a cross-sectional view of several repair profiles mounted together.
The repair section bar of the laminating type spiral winding is in a strip shape as a whole, and the cross section of any part of the repair section bar is the same. When one side of the repair section close to the inner wall of the pipeline to be repaired is upward, the left side part 16 comprises a bottom 10, the left side of the bottom 10 is provided with a first inclined plane 18 with a certain inclined angle, the upper part and the lower part are flat surfaces, and the right side is connected with the right side part 17 of the repair section; a mushroom-shaped male locker 11 extends upward from the upper surface of the bottom 10. The right part 17 of the repairing section is provided with a flat surface at the upper part and a female lock catch 15 which is recessed corresponding to the male lock catch 11 at the lower part; the left side below the female lock catch 15 is provided with a notch 20 and a second inclined plane 19 which correspond to the bottom 10 and the first inclined plane 18, when the male lock catches 11 of other restoration profiles are mutually meshed with the female lock catches 15 of the restoration profiles, the upper surfaces and the lower surfaces of the two restoration profiles are respectively positioned on a plane, so that the inner diameter of a pipeline finally wound by the restoration profiles is ensured to be constant. The surfaces of the male lock catch 11 and the female lock catch 15 are provided with adhesive materials, so that the male lock catch 11 and the female lock catch are meshed more firmly, and finally the wound pipeline cannot leak water. The upper surfaces of the female lock catch 15 and the right side part 17 are provided with a closed first cavity 13 and a closed second cavity 14; the first cavity 13 and the second cavity 14 form an inverted Y-shaped support structure 12 with the female latch 15. The first cavity 13 and the second cavity 14 are mirror symmetrical with respect to the support structure 12.
The first bevel 18 and the second bevel 19 have an oblique angle of 20-30 °.
The repair profile is made of PVC.
The double-layer cavity structure design consisting of the first cavity 13 and the second cavity 14 has the following advantages:
1) The repairing material can be poured when in use, and the pouring type repairing material is usually a polymer-based composite material in the field of pipeline repairing, and the material consists of a plurality of components including polymer resin, filler, reinforcing fiber, curing agent and the like. The pouring type repairing material can improve the durability and the performance of the pipeline in pipeline repairing and strengthen the structure of the pipeline;
2) The cavity structure is used, so that the whole weight can be reduced, the structure is lighter, the addition of the repairing material can be ensured not to obviously increase the weight of the whole pipeline by designing the cavity in the section bar, and the portability of the pipeline is maintained, so that the repairing material is suitable for repairing the pipeline with small pipe diameter;
3) The design of the cavity structure can be beneficial to uniformly distributing the strength in the whole pipeline and improving the overall stability of the repaired pipeline;
4) The cavity can be designed to have ventilation and drainage functions, so that water accumulation in the pipeline is prevented, and the influence of a humid environment on the pipeline is relieved;
5) The flexible design of the cavity structure enables the section bar to have good flexibility, can adapt to pipelines with different diameters, and improves the applicability of the section bar.
6) Materials with corrosion resistance can be added into the cavity structure, so that the durability of the pipeline is improved.
When the pipeline is repaired by adopting the non-excavation technology, adjacent spiral profiles are fixed through the male lock catch and the female lock catch under the acting force of winding equipment, and the pipeline is wound into a pipe in situ in the pipeline, so that the repair of the whole pipeline to be repaired is realized. The construction process is simple and convenient, and needs to be matched with spiral winding construction equipment. When the repair section is wound into a pipeline, the section can be selected to be thickened and spirally wound to be wound into the pipeline when the thickness of the pipeline is required to be increased.
The technical scheme of the application has the following positive effects: be equipped with public hasp and female hasp, when spiral meshing, through adding binding material at Y type bearing structure, public hasp and female hasp can closely laminate, and then the right side and the left downside sealing laminating of two section bar bodies to guarantee the sealed effect of interface department. After the pipeline operation is completed, the section bar can be cut off, so that the pipe wall can be smoothly repaired when the pipe is spirally meshed by the pipe wall repairing device. The supporting structure is provided with the reinforcing column and the supporting column, so that the structure can be stabilized, the deformation resistance of the supporting structure is improved, and the strength and the rigidity of the spirally wound section bar after being wound into a pipeline are ensured.
Example 2:
fig. 4 and 5 are block diagrams showing embodiment 2 of the present application.
The prosthetic profile structure of example 2 of the present application is similar to the prosthetic profile structure of example 1, except that a closed vertical cavity region 21 is also added between the left and right side portions 16, 17.
The repairing section bar provided by the embodiment has the following beneficial effects: by adding a vertical cavity area, the ring stiffness of the profile is further reduced so as to adapt to a pipeline with smaller diameter; meanwhile, the newly-added vertical cavity area can be filled with steel plates, so that the pipeline with higher ring stiffness requirement can be met. The added vertical cavity is a small-size cavity, so that the profile is more adaptive, and curves and bends of small-diameter pipelines can be easily handled. This flexibility is crucial for quick response of drainage systems of urban underground complex layout, and due to the light weight and mobility of small-sized profiles, they are very suitable for emergency repair, and can quickly respond to emergency problems such as pipeline leakage. The plastic drainage pipe is suitable for plastic drainage pipes with smaller diameters, has better adaptability, is light and easy to control, and is suitable for repairing work in a narrow space. Suitable for minor injuries such as small cracks or localized wear.
Example 3:
fig. 6 and 7 are block diagrams showing embodiment 3 of the present application.
The repair profile structure of example 3 of the present application is similar to the repair profile structure of example 2, except that the vertical cavity region 21 is replaced with a larger extended cavity region 22.
The repairing section bar provided by the embodiment has the following beneficial effects: further increasing the size of the profile, decreasing the ring stiffness, and increasing the cavity area, the cavity size increase can add more repair material, helping to provide overall support, reinforcing the entire duct structure, especially for medium-sized ducts requiring additional support. The method is suitable for medium-diameter pipelines, provides more strength and stability, can be used for treating serious damages, is suitable for repairing longer pipeline sections, and can more effectively cover large-area damages.
Example 4:
fig. 8 and 9 are block diagrams showing embodiment 3 of the present application.
The prosthetic profile structure of example 4 of the present application is similar to the prosthetic profile structure of example 1, except that the first cavity 13 and the second cavity 14 in the right portion 17 are replaced with solid structures.
The repairing section bar provided by the embodiment has the following beneficial effects: the hollow area of the section bar is repaired, a new pipeline can be formed only after locking, and as the section bar is not provided with a hollow cavity, the whole section bar is more compact, the repair work in a limited space is more convenient, and the section bar is more easily suitable for a narrow underground space or a complex pipeline layout. The design without cavities makes the profile as a whole lighter, contributing to easier handling when using spiral winding equipment, which is particularly important for maintenance in smaller pipe diameters. The method is particularly suitable for the situation of needing quick emergency repair, particularly for small-scale water leakage or cracks, and can quickly repair the problem point without excessive preparation work. The design without the cavity can simplify the manufacturing flow and the installation process, reduce the cost and enable the profile to be easier to mass produce and use.
The utility model provides a laminating formula spiral winding's restoration section bar can carry out multi-level restoration, considers designing a plurality of cavity levels in the section bar to carry out multi-level restoration as required, can provide bigger flexibility and selectivity. Different repair materials may be selected for different pipe diameters to ensure optimal performance and durability in each case. Is suitable for the special requirements of urban underground environment, such as underground water level change or soil conditions. The design of the section bars with different sizes is optimized, so that the section bars are easy to store and transport, and the section bars with small sizes are easier to store and transport, thereby being greatly convenient for field use and management. Through such design, can ensure when facing the drainage pipe of different diameters and damage degree that maintainer can select the most suitable section bar to improve repair effect and the flexibility of work.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present application and not limiting. Although the present application has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that the modifications and equivalents may be made to the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present application.
Claims (6)
1. A laminating formula spiral winding's restoration section bar, its characterized in that:
the repair section bar is of a strip shape, and the cross section of any part of the repair section bar is the same;
the left-hand portion (16) of the repair profile comprises a bottom (10); the left side of the bottom (10) is provided with a first inclined plane (18) with a certain inclined angle; the bottom (10) is flat in upper and lower surfaces; the right side of the bottom (10) is connected to the right side portion (17) of the repair profile; a mushroom-shaped male lock catch (11) extends upwards from the upper surface of the bottom (10);
the right side part (17) of the repair section is provided with a flat surface at the upper part and a female lock catch (15) which is correspondingly recessed with the male lock catch (11) at the lower part; the surfaces of the male lock catch (11) and the female lock catch (15) are provided with adhesive materials;
the left side below the female lock catch (15) is provided with a notch (20) and a second inclined plane (19) which correspond to the bottom (10) and the first inclined plane (18); the oblique angles of the first oblique surface (18) and the second oblique surface (19) are 20-30 degrees; when the male lock catch (11) of other repairing profiles is meshed with the female lock catch (15) of the repairing profile, the upper surfaces and the lower surfaces of the two repairing profiles are respectively positioned on a plane.
2. The conformable spiral wound repair profile of claim 1, wherein:
a first closed cavity (13) and a second closed cavity (14) are formed between the female lock catch (15) and the upper surface of the right side part (17);
an inverted Y-shaped supporting structure (12) is formed between the first cavity (13) and the female lock catch (15) and between the second cavity (14);
the first cavity (13) and the second cavity (14) are mirror symmetrical with respect to the support structure (12).
3. The conformable spiral wound repair profile of claim 2, wherein:
the first cavity (13) and the second cavity (14) are filled with repair material.
4. The conformable spiral wound repair profile of claim 2, wherein:
the left side part (16) and the right side part (17) have a closed cavity area therebetween.
5. The conformable spiral wound repair profile of claim 4, wherein:
and the closed cavity area is filled with a steel plate.
6. A conformable spiral wound repair profile according to any one of claims 1-5, wherein:
the repair section bar is made of PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311579158.4A CN117404546A (en) | 2023-11-24 | 2023-11-24 | Repair profile with laminating type spiral winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311579158.4A CN117404546A (en) | 2023-11-24 | 2023-11-24 | Repair profile with laminating type spiral winding |
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| Publication Number | Publication Date |
|---|---|
| CN117404546A true CN117404546A (en) | 2024-01-16 |
Family
ID=89489085
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311579158.4A Pending CN117404546A (en) | 2023-11-24 | 2023-11-24 | Repair profile with laminating type spiral winding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117404546A (en) |
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| CN217874603U (en) * | 2022-05-30 | 2022-11-22 | 温华启 | PVC-M (polyvinyl chloride-M) composite core layer flat-wall pipe |
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2023
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|---|---|---|---|---|
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| JP2008307784A (en) * | 2007-06-14 | 2008-12-25 | Sekisui Chem Co Ltd | Lining strip for existing pipe and lining method |
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| CN107842652A (en) * | 2016-09-19 | 2018-03-27 | 河北环水塑胶管业有限公司 | Two flat walls plastic-steel spirally-wound pipe |
| CN210034758U (en) * | 2019-05-15 | 2020-02-07 | 安徽昊宇建设工程有限公司 | Non-excavation winding shaping pipeline that can cross bend |
| CN211779365U (en) * | 2020-03-07 | 2020-10-27 | 上海伟泰实业发展有限公司 | Outer rib reinforcing spiral winding repair pipeline |
| CN217874603U (en) * | 2022-05-30 | 2022-11-22 | 温华启 | PVC-M (polyvinyl chloride-M) composite core layer flat-wall pipe |
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