CN210318871U - High-strength steel strip reinforced corrugated pipe - Google Patents
High-strength steel strip reinforced corrugated pipe Download PDFInfo
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- CN210318871U CN210318871U CN201920531210.1U CN201920531210U CN210318871U CN 210318871 U CN210318871 U CN 210318871U CN 201920531210 U CN201920531210 U CN 201920531210U CN 210318871 U CN210318871 U CN 210318871U
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Abstract
A high-strength steel strip reinforced corrugated pipe comprises a steel strip, wherein the steel strip is spirally wound on the outer wall of inner polyethylene, and the outer part of the steel strip is coated with outer polyethylene; the steel band includes wave form section and flat section, and the both sides of wave form section are equipped with a flat section respectively, and adjacent two sections steel band on same section are close flat section overlap joint setting. By adopting the structure, the integral stability of the corrugated pipe can be effectively improved, the pressure resistance of the steel belt is improved, the steel belt buried underground can bear larger pressure, and the service life of the steel belt is prolonged.
Description
Technical Field
The utility model relates to a drainage tubular product field, especially a high strength steel band reinforcing bellows.
Background
The steel strip reinforced corrugated pipe is a structural wall pipe formed by melting HDPE (high-density polyethylene) and reinforcing high-quality steel strips, has the characteristics of acid and alkali corrosion resistance, water flow erosion resistance, strong shock and freeze resistance, light weight, high strength, strong compression and sedimentation resistance and the like, and is widely applied to various fields such as the industrial field, the municipal field and the like.
However, in some steel strip reinforced corrugated pipes, the structure of the spiral steel strip on a certain section includes two cases shown in fig. 1 and 2: 1. the flat sections of the steel belts are not connected, the pipe wall of the corrugated pipe is thin, and the whole pressure resistance and deformation resistance of the steel belts are poor; 2. the steel strip is partially lapped between the flat sections, a raised spiral part can be formed on the outer wall of the corrugated pipe, and when the corrugated pipe is pressed, the lapped parts of the steel strip flat sections are easily delaminated, so that the overall stability of the steel strip is not high.
Disclosure of Invention
The utility model aims to solve the technical problem that an anticreep layer steel band reinforcing bellows is provided, can effectively promote the overall stability of bellows, promotes steel band compressive capacity, makes and bury underground the subaerial steel band and can bear bigger pressure, extension steel band life.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a high-strength steel strip reinforced corrugated pipe comprises a steel strip, wherein the steel strip is spirally wound on the outer wall of inner polyethylene, and the outer part of the steel strip is coated with outer polyethylene;
the steel band comprises a wave-shaped section and flat sections, wherein the flat sections are respectively arranged on two sides of the wave-shaped section, and the adjacent flat sections of the two steel bands on the same section are in lap joint.
In a preferable scheme, anti-falling holes are punched on the flat sections of the steel belts, and the anti-falling holes on the flat sections of the two overlapped steel belts are arranged in alignment.
In the preferred scheme, the inner wall of the pipe body formed by the inner layer of polyethylene is provided with two groups of reinforcing ribs which are piled on two sides of the inner wall of the pipe body.
In the preferred scheme, a plurality of groups of grooves along the axial direction of the pipe body are arranged in a spiral pile closed space formed by the wave-shaped section of the steel belt and the outer wall of the inner polyethylene layer, each group of grooves comprises two grooves, a movable supporting block is respectively arranged in each groove, the two movable supporting blocks are connected through springs, and the movable supporting blocks are attached to the junction positions of the wave-shaped section and the flat sections on the two sides.
In a preferable scheme, a plurality of groups of grooves are spirally arranged on the outer wall of the inner layer polyethylene at equal intervals.
The utility model provides a high strength steel band reinforcing bellows through adopting above-mentioned structure, has following beneficial effect:
(1) the steel belt flat sections on the same section are in full lap joint, and are matched with the anti-falling holes, so that the polyethylene layers on the upper side and the lower side of the steel belt flat sections form a whole, the connection stability between the steel belt and the polyethylene layers can be effectively improved, and the deformation resistance of the steel belt wave-shaped section under pressure can be enhanced;
(2) the reinforcing ribs arranged in the corrugated pipe can further improve the deformation resistance and the force of the pipe body after longitudinal pressure is applied to the pipe body, and the service life of the corrugated pipe is effectively prolonged;
(3) the movable supporting block which is tightly attached to the wave-shaped section is arranged in the semi-elliptical closed space between the wave-shaped section of the steel belt and the inner polyethylene layer, the function of reverse deformation can be achieved when the wave-shaped section is deformed by temporary external force, and meanwhile, after the external force is eliminated, the wave-shaped section is supported and reset, so that the wave-shaped section is prevented from being permanently deformed.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 and 2 are schematic sectional structures of conventional steel strip reinforced corrugated pipes.
Fig. 3 is a schematic sectional view of the present invention.
Fig. 4 is a schematic diagram of the steel belt overlapping structure of the present invention.
Fig. 5 is a schematic structural view of the outer polyethylene layer of the present invention.
In the figure: the steel band comprises an inner layer of polyethylene 1, an outer layer of polyethylene 2, a steel band 3, a wave-shaped section 301, a flat section 302, an anti-falling hole 4, a reinforcing rib 5, a movable supporting block 6 and a spring 7.
Detailed Description
As shown in fig. 3-5, the high-strength steel strip reinforced corrugated pipe comprises a steel strip 3, wherein the steel strip 3 is spirally wound on the outer wall of an inner polyethylene layer 1, and an outer polyethylene layer 2 is coated outside the steel strip 3;
the steel belt 3 comprises a wave-shaped section 301 and flat sections 302, wherein the flat sections 302 are respectively arranged on two sides of the wave-shaped section 301, and the adjacent flat sections 302 of the two steel belts 3 on the same section are overlapped.
In a preferred scheme, the flat section 302 of the steel strip 3 is punched with anti-dropping holes 4, and the anti-dropping holes 4 on the flat sections 302 of two overlapped steel strips 3 are aligned.
In the preferred scheme, the pipe inner wall formed by the inner layer polyethylene 1 is provided with reinforcing ribs 5, and the reinforcing ribs 5 are piled in two groups and arranged on two sides of the pipe inner wall.
In the preferred scheme, a plurality of groups of grooves along the axial direction of the pipe body are arranged in a spiral pile closed space formed by the wave-shaped section 301 of the steel strip 3 and the outer wall of the inner polyethylene 1, each group of grooves comprises two grooves, a movable supporting block 6 is respectively arranged in each groove, the two movable supporting blocks 6 are connected through a spring 7, and the movable supporting blocks 6 are attached to the junction positions of the wave-shaped section 301 and the flat sections 302 on the two sides.
In a preferable scheme, a plurality of groups of grooves are spirally arranged on the outer wall of the inner polyethylene layer 1 at equal intervals.
Wherein the outer layer of the steel strip 3 is coated with bonding resin and then is bonded with the outer polyethylene layer 2;
the inner and outer polyethylene layers are connected by adopting a thermoplastic melting mode;
the reinforcing ribs 5 can also be made of polyethylene and fixed on the inner wall of the pipe body after thermoplastic melting.
By adopting the structure, the corrugated pipe is in a full lap joint mode with the steel belt flat sections on the same section, and the polyethylene layers on the upper side and the lower side of the steel belt flat sections are integrated by matching with the anti-falling holes, so that the connection stability between the steel belt and the polyethylene layers can be effectively improved, and the deformation resistance of the steel belt wave-shaped section under pressure can be enhanced; the reinforcing ribs arranged in the corrugated pipe can further improve the deformation resistance and the force of the pipe body after longitudinal pressure is applied to the pipe body, and the service life of the corrugated pipe is effectively prolonged; the movable supporting block which is tightly attached to the wave-shaped section is arranged in the semi-elliptical closed space between the wave-shaped section of the steel belt and the inner polyethylene layer, the function of reverse deformation can be achieved when the wave-shaped section is deformed by temporary external force, and meanwhile, after the external force is eliminated, the wave-shaped section is supported and reset, so that the wave-shaped section is prevented from being permanently deformed.
Claims (5)
1. A high strength steel band reinforcing bellows, characterized by: the steel belt (3) is spirally wound on the outer wall of the inner polyethylene layer (1), and the outer part of the steel belt (3) is coated with the outer polyethylene layer (2);
the steel belt (3) comprises a wave-shaped section (301) and flat sections (302), the flat sections (302) are respectively arranged on two sides of the wave-shaped section (301), and the adjacent flat sections (302) of the two steel belts (3) on the same section are overlapped.
2. The high strength steel strip reinforced corrugated pipe of claim 1, wherein: the anti-falling device is characterized in that anti-falling holes (4) are punched in the flat sections (302) of the steel belts (3), and the anti-falling holes (4) in the flat sections (302) of the two overlapped steel belts (3) are aligned.
3. The high strength steel strip reinforced corrugated pipe of claim 1, wherein: the reinforced polyethylene pipe is characterized in that reinforced ribs (5) are arranged on the inner wall of the pipe body formed by the inner polyethylene layer (1), and the reinforced ribs (5) are arranged on two sides of the inner wall of the pipe body in two groups.
4. The high strength steel strip reinforced corrugated pipe of claim 1, wherein: the spiral pile closed space that wave form section (301) and inlayer polyethylene (1) outer wall of steel band (3) constitute be equipped with the multiunit along the axial recess of body in, every group recess includes two recesses, is equipped with one activity supporting shoe (6) respectively in two recesses, realizes connecting through spring (7) between two activity supporting shoes (6), the laminating of activity supporting shoe (6) is on the juncture position of wave form section (301) and both sides flat section (302).
5. The high strength steel strip reinforced corrugated pipe of claim 4, wherein: the multiple groups of grooves are arranged on the outer wall of the inner polyethylene layer (1) in a spiral shape at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920531210.1U CN210318871U (en) | 2019-04-18 | 2019-04-18 | High-strength steel strip reinforced corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920531210.1U CN210318871U (en) | 2019-04-18 | 2019-04-18 | High-strength steel strip reinforced corrugated pipe |
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| Publication Number | Publication Date |
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| CN210318871U true CN210318871U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920531210.1U Active CN210318871U (en) | 2019-04-18 | 2019-04-18 | High-strength steel strip reinforced corrugated pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028156A (en) * | 2021-04-13 | 2021-06-25 | 安徽韵通塑业科技有限公司 | Steel strip reinforced spiral corrugated pipe and production process thereof |
| CN113028156B (en) * | 2021-04-13 | 2024-04-19 | 安徽韵通塑业科技有限公司 | Steel band reinforced spiral corrugated pipe and production process thereof |
-
2019
- 2019-04-18 CN CN201920531210.1U patent/CN210318871U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028156A (en) * | 2021-04-13 | 2021-06-25 | 安徽韵通塑业科技有限公司 | Steel strip reinforced spiral corrugated pipe and production process thereof |
| CN113028156B (en) * | 2021-04-13 | 2024-04-19 | 安徽韵通塑业科技有限公司 | Steel band reinforced spiral corrugated pipe and production process thereof |
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