CN114165648A - Spiral corrugated pipe with steel adapter and construction method thereof - Google Patents
Spiral corrugated pipe with steel adapter and construction method thereof Download PDFInfo
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- CN114165648A CN114165648A CN202111543087.3A CN202111543087A CN114165648A CN 114165648 A CN114165648 A CN 114165648A CN 202111543087 A CN202111543087 A CN 202111543087A CN 114165648 A CN114165648 A CN 114165648A
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- Prior art keywords
- corrugated pipe
- water stop
- conversion
- steel
- barrel
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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
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
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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
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/004—Shrunk pipe-joints
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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
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/18—Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings
- F16L58/187—Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings for flanged joints
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a helical bellows with a steel adapter and a construction method thereof.A tube body comprises a conversion barrel, a bellows, a water stop ring, a rubber water stop strip and a heat shrinkage sleeve; the conversion drum is a cylindrical drum body; the stainless steel water stop ring is sleeved and fixed on the outer wall of the duckbill valve mounting end close to the conversion cylinder; the rubber water stop strip is spirally wound from one end of the corrugated pipe and is adhered to the wave trough of the outer wall of the corrugated pipe to form a rubber water stop strip-corrugated pipe composite section; the end port of the corrugated pipe connecting end of the rubber water stop-corrugated pipe composite section self-conversion barrel is partially inserted into the conversion barrel; the heat shrinkage sleeve is sleeved outside the joint between the composite section of the corrugated pipe and the conversion barrel and tightly hooped and coated outside the corrugated pipe and the conversion barrel in a heat shrinkage deformation mode to form a sealing sleeve; the spiral corrugated pipe with the steel adapter and the construction method thereof solve the problem of connection between rigid and flexible connecting pieces, and have the advantages of simple construction scheme, low cost and high efficiency.
Description
Technical Field
The invention relates to the technical field of drainage, in particular to a helical bellows with a steel adapter and a construction method thereof.
Background
Rubber duckbill valve is formed through special processing by elasticity chloroprene rubber with artificial fiber, and the shape is similar to the duckbill, so calls duckbill valve, and its theory of operation is: positive drainage, reverse non-return, automatic opening and closing, namely: the opening and closing of the duckbill outlet are automatically adjusted by depending on the internal water pressure condition, and the nozzle of the duckbill valve automatically opens to discharge internal running water under the internal pressure condition; under the condition of no pressure, the duckbill outlet is automatically closed under the elastic action of the duckbill outlet, so that the backflow and the backflow of water outside the valve are prevented. Due to the automation and environmental protection of the operation, the rubber duckbill valve is widely used in projects such as seashore, sand beach, wharf, reservoir, municipal flood drainage, pollution discharge and the like.
The installation mode of the rubber duckbill valve mainly comprises a clamp type and a flange type, the clamp type duckbill valve is suitable for being installed on a steel straight pipe or a reinforced concrete straight pipe, the outer wall of the pipeline is required to be regular so that the clamp and the stirrup of the outer wall of the pipeline can be sealed conveniently, and the steel strip reinforced polyethylene spiral corrugated pipe cannot achieve the sealing performance of the position of the clamp due to the fact that the clamp type duckbill valve is adopted, and the hoop type duckbill valve is arranged on the outer surface of the steel strip reinforced polyethylene spiral corrugated pipe; when flange formula duckbill valve is installed, need advance the pre-buried built-in fitting that has the ring flange on the structure wall, the duckbill valve is connected with the built-in fitting through the flange, the pipeline is installed at the opposite side, or carry out the installation of duckbill valve through the well room that has two compartments, the bulkhead is connected promptly, the duckbill valve is installed on the intermediate wall of two compartments, the compartment outer wall is gone into to the pipeline, arrange to the duckbill valve through the compartment in with the pipeline, this connection method increases the scale of well room structure, cause certain economic waste.
At present, steel band reinforced polyethylene spiral corrugated pipes are widely adopted in urban rainwater and sewage pipelines, and due to the structural structure and appearance style characteristics of the steel band reinforced polyethylene spiral corrugated pipes, a duckbill valve cannot be directly connected with the steel band reinforced polyethylene spiral corrugated pipes, and no formed conversion device exists; if the duckbill valve is installed on the embedded part, the traditional embedded part cannot be connected with the steel strip reinforced polyethylene spiral corrugated pipe. Therefore, based on the above problems, a construction method and a supporting device capable of realizing the connection and installation of pipelines are urgently needed.
Disclosure of Invention
The invention aims to provide a spiral corrugated pipe with a steel adapter for realizing direct connection of a pipeline outlet, namely a duckbill valve.
The invention also aims to provide a method for realizing the construction of the duckbill valve by adopting the spiral corrugated pipe with the steel adapter.
Therefore, the technical scheme of the invention is as follows:
a helical bellows with steel crossover sub, including the changeover bobbin, corrugated pipe, water-stopping ring, rubber water-stopping strip and thermal contraction set; wherein the content of the first and second substances,
the conversion cylinder is a cylindrical cylinder body, and the inner diameter of the conversion cylinder is slightly larger than the outer diameter of the corrugated pipe;
the stainless steel water stop ring is sleeved and fixed on the outer wall of the duckbill valve mounting end close to the conversion cylinder;
the rubber water stop strip is spirally wound from one end of the corrugated pipe and is adhered to the wave trough of the outer wall of the corrugated pipe to form a rubber water stop strip-corrugated pipe composite section; the end port of the corrugated pipe connecting end of the rubber water stop-corrugated pipe composite section self-conversion barrel is partially inserted into the conversion barrel;
the heat shrinkage sleeve is sleeved outside the joint between the composite section of the corrugated pipe and the conversion barrel, and tightly hooped and wrapped outside the corrugated pipe and the conversion barrel in a heat shrinkage deformation mode to form a sealing sleeve.
Furthermore, a connecting flange is welded and fixed at the duckbill valve mounting end of the conversion cylinder.
Furthermore, the length of the rubber water stop strip-corrugated pipe composite section is at least 1m, and the insertion length of the rubber water stop strip-corrugated pipe composite section in the conversion cylinder is 20-30 cm. .
Furthermore, the conversion cylinder is a stainless steel cylinder, the water stop ring is a stainless steel water stop ring, and the corrugated pipe is a polyethylene spiral corrugated pipe.
Furthermore, a layer of anti-corrosion epoxy resin coating is sprayed on the outer side wall surfaces of the conversion cylinder, the stainless steel water stop ring and the flange.
A pre-buried construction method of a rubber duck bill valve drainage pipeline for a catch basin comprises the following steps:
s1, selecting a steel conversion barrel with a proper size and a stainless steel water stop ring matched with the conversion barrel in size according to the caliber of the rubber duckbill valve, and welding and fixing the stainless steel water stop ring on the outer wall of the duckbill valve mounting end close to the steel conversion barrel; meanwhile, a flange can be selectively welded and fixed at the duckbill valve mounting end of the steel conversion cylinder;
s2, before pouring the concrete of the catch basin, after fixing the steel conversion barrel provided with the stainless steel water stop ring at a preset pre-buried position, pouring the concrete on the well wall of the catch basin, enabling the steel conversion barrel to penetrate through the well wall, enabling the inside and the outside of the catch basin to be communicated through the steel conversion barrel, embedding the stainless steel water stop ring in the well wall, and effectively discharging water and preventing leakage;
s3, mounting and fixing the rubber duckbill valve at the duckbill valve mounting end of the steel conversion cylinder through a hoop or a flange;
s4, selecting a rubber water stop strip with water swelling performance, winding the rubber water stop strip in a spiral winding manner, and adhering and fixing the rubber water stop strip at the position of a wave trough of the corrugated pipe, so that one end of the corrugated pipe forms a rubber water stop strip-corrugated pipe composite section with the length of at least 1 m;
s5, sleeving a heat-shrinkable sleeve on the outer side of the steel conversion cylinder in advance, then completely inserting the rubber water stop strip-corrugated pipe composite section into the corrugated pipe mounting end of the steel conversion cylinder by 20-30 cm, and moving the heat-shrinkable sleeve to the joint of the steel conversion cylinder and the corrugated pipe; the heat shrinkable sleeve is subjected to heat shrinkage deformation by adopting an open fire heating mode, and is wrapped and fixed on the outer sides of the conversion cylinder and the corrugated pipe to form a sealing sleeve.
Compared with the prior art, the spiral corrugated pipe with the steel adapter and the construction method thereof solve the problem that the rigid connecting piece of the rubber duckbill valve cannot be directly connected with the flexible end of the corrugated pipe, and provide a new construction scheme for draining water based on the rubber duckbill valve, so that the scale of a well chamber structure does not need to be increased in the construction process, the cost is saved, and the construction efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a helical bellows with a steel adapter according to the present invention installed at a wall of a concrete well;
fig. 2 is a partially enlarged schematic view of the helical bellows with the steel adapter of the present invention.
Detailed Description
The invention will be further described with reference to the following figures and specific examples, which are not intended to limit the invention in any way.
Example 1
As shown in fig. 1, the helical corrugated pipe with the steel adapter comprises a conversion cylinder 1, a corrugated pipe 3, a stainless steel water stop ring 5, a rubber water stop strip 7 and a heat shrinkable sleeve 8; wherein the content of the first and second substances,
the conversion cylinder 1 and the stainless steel water stop ring 5 are both made of stainless steel materials, and specifically, the conversion cylinder 1 is of a cylindrical cylinder structure, and the inner diameter of the conversion cylinder is slightly larger than the outer diameter of the corrugated pipe 3; the stainless steel water stop ring 5 is sleeved and welded and fixed on the outer wall close to the duckbill valve mounting end of the conversion barrel 1, and has the function of pre-embedding the conversion barrel 1 into the concrete well wall 4, so that the water stop function can be realized, and rainwater in the well can be prevented from seeping through a gap between the conversion barrel 1 and the concrete well wall 4;
the installation end of the duckbill valve of the conversion cylinder 1 can be directly connected with the clamp type duckbill valve, or a connecting flange 6 is fixedly welded at the installation end of the duckbill valve of the conversion cylinder 1, so that the conversion cylinder 1 and the flange type duckbill valve are connected and fixed into a whole through a flange;
as a preferred technical scheme of this embodiment, a layer of anti-corrosion epoxy resin coating is sprayed on the outer side wall surfaces of the conversion cylinder 1, the stainless steel water stop ring 5 and the flange 6;
the corrugated pipe 3 is a polyethylene spiral corrugated pipe; the rubber water stop strip 7 is spirally wound from one end of the corrugated pipe 3 and is adhered to the wave trough of the outer wall of the corrugated pipe 3 to form a rubber water stop strip-corrugated pipe composite section; the end port of the corrugated pipe connecting end of the rubber water stop-corrugated pipe composite section self-conversion barrel 1 is partially inserted into the conversion barrel 1;
the length of the rubber water stop strip-corrugated pipe composite section is 1m, and the insertion length of the rubber water stop strip-corrugated pipe composite section in the conversion cylinder 1 is 30 cm.
The thermal contraction sleeve 8 is sleeved outside the joint between the composite section of the corrugated pipe 3 and the conversion barrel 1, and is contracted and tightly wrapped outside the corrugated pipe 3 and the conversion barrel 1 in an open flame heating mode to form a sealing sleeve.
Example 2
A pre-buried construction method for a rubber duck bill valve drainage pipeline of a catch basin comprises the following specific steps:
s1, selecting a steel conversion barrel 1 with a proper size and a stainless steel water stop ring 5 matched with the conversion barrel in size according to the caliber of the rubber duckbill valve, and welding and fixing the stainless steel water stop ring 5 on the outer wall of the duckbill valve mounting end close to the steel conversion barrel 1;
if the rubber duckbill valve is a flange type duckbill valve, a flange matched with the rubber duckbill valve in size is welded and fixed at the duckbill valve installation end of the steel conversion cylinder 1;
s2, before pouring the concrete of the catch basin, after fixing the steel conversion barrel 1 provided with the stainless steel water stop ring 5 at a preset pre-buried position, pouring the concrete on the well wall of the catch basin, enabling the steel conversion barrel 1 to penetrate through the well wall, enabling the inside and the outside of the catch basin to be communicated through the steel conversion barrel 1, and effectively discharging water and preventing leakage by embedding the stainless steel water stop ring 5 in the well wall;
s3, fixing the rubber duckbill valve at the duckbill valve mounting end of the steel conversion barrel 1 through a hoop or a flange;
s4, selecting a rubber water stop strip 7 with water swelling performance, and winding and adhering the rubber water stop strip 7 in a spiral winding manner to be fixed at the position of a wave trough of the corrugated pipe 3, so that one end of the corrugated pipe 3 forms a rubber water stop strip-corrugated pipe composite section with the length of 1 m;
s5, sleeving a heat-shrinkable sleeve 8 outside the steel conversion barrel 1 in advance, then completely inserting the rubber water stop bar-corrugated pipe composite section into the corrugated pipe installation end of the steel conversion barrel 1 by 30cm, and moving the heat-shrinkable sleeve 8 to the joint of the steel conversion barrel 1 and the corrugated pipe 3; the thermal shrinkage sleeve 8 is thermally shrunk and deformed by adopting an open fire heating mode, and is wrapped and fixed on the outer sides of the conversion cylinder 1 and the corrugated pipe 3 to form a sealing fixed sleeve.
Claims (6)
1. A helical bellows with a steel adapter is characterized by comprising a conversion cylinder (1), a bellows (3), a water stop ring (5), a rubber water stop strip (7) and a heat shrinkage sleeve (8); wherein the content of the first and second substances,
the conversion cylinder (1) is a cylindrical cylinder body, and the inner diameter of the conversion cylinder is slightly larger than the outer diameter of the corrugated pipe (3);
the stainless steel water stop ring (5) is sleeved and fixed on the outer wall of the duckbill valve mounting end close to the conversion cylinder (1);
the rubber water stop strip (7) is spirally wound from one end of the corrugated pipe (3) and is adhered to the wave trough of the outer wall of the corrugated pipe (3) to form a rubber water stop strip-corrugated pipe composite section; the port of the corrugated pipe connecting end of the rubber water stop-corrugated pipe composite section self-conversion barrel (1) is partially inserted into the conversion barrel (1);
the heat shrinkage sleeve (8) is sleeved outside the joint between the composite section of the corrugated pipe (3) and the conversion barrel (1) and tightly hooped and wrapped outside the corrugated pipe (3) and the conversion barrel (1) in a heat shrinkage deformation mode to form a sealing sleeve.
2. Helical bellows with steel adapter according to claim 1, characterized in that a connection flange (6) is welded to the duckbill valve mounting end of the transition barrel (1).
3. The helical bellows with steel adapter according to claim 1, wherein the length of the rubber sealing strip-bellows composite section is at least 1m, and the insertion length of the rubber sealing strip-bellows composite section in the conversion cylinder (1) is 20-30 cm.
4. The helical bellows with steel adapter according to claim 1, wherein the transition cylinder (1) is a stainless steel cylinder, the water stop ring (5) is a stainless steel water stop ring, and the bellows (3) is a polyethylene helical bellows.
5. The helical bellows with steel adapter according to claim 4, wherein the outer side wall surfaces of the transition cylinder (1), the stainless steel water stop ring (5) and the flange (6) are coated with an epoxy resin coating for corrosion prevention.
6. A pre-buried construction method for a rubber duck bill valve drainage pipeline of a catch basin is characterized by comprising the following steps:
s1, selecting a steel conversion barrel (1) with a proper size and a stainless steel water stop ring (5) matched with the conversion barrel in size according to the caliber of the rubber duckbill valve, and welding and fixing the stainless steel water stop ring (5) on the outer wall of the duckbill valve mounting end close to the steel conversion barrel (1); meanwhile, a flange can be selectively welded and fixed at the duckbill valve mounting end of the steel conversion cylinder (1);
s2, before pouring the concrete of the catch basin, after fixing the steel conversion barrel (1) provided with the stainless steel water stop ring (5) at a preset pre-buried position, pouring the concrete on the well wall of the catch basin, enabling the steel conversion barrel (1) to penetrate through the well wall, enabling the inside and the outside of the catch basin to be communicated through the steel conversion barrel (1), and embedding the stainless steel water stop ring (5) in the well wall to effectively drain water and prevent leakage;
s3, fixing the rubber duckbill valve at the duckbill valve mounting end of the steel conversion barrel (1) through a hoop or a flange;
s4, selecting a rubber water stop strip (7) with water swelling performance, and winding and adhering the rubber water stop strip in a spiral winding manner to be fixed at the position of a wave trough of the corrugated pipe (3) so as to form a rubber water stop strip-corrugated pipe composite section with the length of at least 1m at one end of the corrugated pipe (3);
s5, sleeving a heat-shrinkable sleeve (8) on the outer side of the steel conversion barrel (1) in advance, then completely inserting the rubber water stop strip-corrugated pipe composite section into the corrugated pipe mounting end of the steel conversion barrel (1) by 20-30 cm, and moving the heat-shrinkable sleeve (8) to the joint of the steel conversion barrel (1) and the corrugated pipe (3); the heat shrinkable sleeve (8) is subjected to heat shrinkage deformation by adopting an open fire heating mode, and is coated and fixed on the outer sides of the conversion cylinder (1) and the corrugated pipe (3) to form a sealing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111543087.3A CN114165648A (en) | 2021-12-16 | 2021-12-16 | Spiral corrugated pipe with steel adapter and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111543087.3A CN114165648A (en) | 2021-12-16 | 2021-12-16 | Spiral corrugated pipe with steel adapter and construction method thereof |
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| CN114165648A true CN114165648A (en) | 2022-03-11 |
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| CN202111543087.3A Pending CN114165648A (en) | 2021-12-16 | 2021-12-16 | Spiral corrugated pipe with steel adapter and construction method thereof |
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2021
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| DE19955762C1 (en) * | 1999-11-19 | 2001-02-01 | Hilti Ag | Sealing gland for domestic supply pipeline or cable fitted through building wall uses sealing sleeve of material which swells upon contact with liquid for preventing ingress of water |
| DE10122779A1 (en) * | 2001-05-10 | 2002-11-21 | Rehau Ag & Co | Combined house lead-in with gas pipe, with metal pipe passing through wall/floor-mounted plate insulated by fire-proofing and electrical insulation material |
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