CN211289063U - High-temperature-resistant steel-band reinforced polyethylene spiral corrugated pipe - Google Patents
High-temperature-resistant steel-band reinforced polyethylene spiral corrugated pipe Download PDFInfo
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- CN211289063U CN211289063U CN201921767156.7U CN201921767156U CN211289063U CN 211289063 U CN211289063 U CN 211289063U CN 201921767156 U CN201921767156 U CN 201921767156U CN 211289063 U CN211289063 U CN 211289063U
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Abstract
The utility model discloses a high temperature resistant steel band reinforcing polyethylene helical bellows, its characterized in that: include the core pipe of making by PE-RT sheet, spiral winding has the steel band on the surface of core pipe, the outside of steel band and core pipe covers there is the skin, core pipe and outer junction fuse into an organic whole and form the pipe wall and with the steel band cladding in the pipe wall, the section of steel band becomes the V type, the utility model discloses whole high temperature resistant is effectual, can be used for a long time below 60 ℃ hot water to carry to overall structure is simple, has good pliability, inertia, simultaneously is resistant-40 ℃ low temperature, and impact resistance is good, the resistance to pressure is better, and is nontoxic, tasteless, pollution-free, green, recoverable.
Description
Technical Field
The utility model relates to a bellows, specific theory relates to a simple structure, high temperature resistant, overall structure is strong, long service life's high temperature resistant steel band reinforcing polyethylene helical bellows belongs to tubular product technical field.
Background
In recent years, the development of polyethylene corrugated pipes is rapid, and the polyethylene corrugated pipes have excellent hydraulic characteristics, extremely strong internal and external corrosion resistance and moderate axial flexibility, can be applied to fluid transportation of various corrosive or non-corrosive media, and are increasingly widely applied to the current building construction, such as: the sewage collecting pipe can be used as a buried drainage pipe and a drainage pipe in municipal engineering, as a seepage pipe and a drainage pipe of railways and expressways in road engineering, as a drainage pipe in the industrial field in industrial production, as a sewage collecting pipe of a building rainwater pipe, an underground drainage pipe, a ventilation pipe and other refuse landfill sites in building engineering, and as a drainage and irrigation pipe of farmlands, orchards, tea gardens, forest belts and the like in agricultural engineering.
The patent number is 201210368014.X, and a steel band reinforced polyethylene spiral corrugated pipe is disclosed, which comprises a corrugated pipe body formed by a polyethylene inner layer matrix and a polyethylene outer layer and a steel band spirally wound on the outer wall of the polyethylene inner layer matrix, wherein the polyethylene outer layer is wound on the polyethylene inner layer matrix and the steel band, the joint of the polyethylene outer layer and the polyethylene inner layer matrix is integrated, the section of the steel band is V-shaped or omega-shaped, a continuous spiral wound steel mesh is arranged at the trough between the steel bands, and a protective layer is arranged on the steel mesh.
The corrugated pipe is integrated with the omega-shaped steel belt reinforced integral structure, so that the corrugated pipe is strong in external load resistance, but the corrugated pipe is only suitable for conveying rainwater, sewage and the like with the medium temperature not more than 45 ℃, cannot be applied to some fluid sewage with high temperature, is poor in high temperature resistance and limits the application range of the corrugated pipe.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to provide a simple structure, high temperature resistant, overall structure is strong, long service life's high temperature resistant steel band reinforcing polyethylene helical bellows.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a high temperature resistant steel band reinforcing polyethylene helical bellows which characterized in that: the steel pipe comprises a core pipe made of PE-RT sheets, a steel belt is spirally wound on the outer surface of the core pipe, the outer layer covers the steel belt and the outer part of the core pipe, the core pipe and the outer layer are integrated to form a pipe wall, the steel belt is coated in the pipe wall, and the section of the steel belt is in a V shape.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
and the inner side and the outer side of the steel belt are respectively coated with bonding resin, and the bonding resin is used for enhancing the connection strength of the steel belt with the core pipe and the outer layer.
Further optimization: the steel strip is spirally wound on the core pipe to form a corrugated shape, and one sides of two adjacent steel strips in the same cross section are respectively overlapped to form an overlapping section.
Further optimization: the overlapping section is positioned on the core tube to form a protective layer.
Further optimization: the outer layer is made of polyethylene.
The above technical scheme is adopted in the utility model, think about ingenious, rational in infrastructure, whole high temperature resistant is effectual, can be used for long-term hot water transport below 60 ℃ to overall structure is simple, has good pliability, inertia, simultaneously resistant-40 ℃ low temperature, and impact resistance is good, the resistance to pressure is better, and is nontoxic, tasteless, pollution-free, green, recoverable.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 2 is a partial cross-sectional view at a in fig. 1.
In the figure: 1-core tube, 2-steel band; 3-an outer layer; 4-a bonding resin; 5-overlapping section.
Detailed Description
Example (b): referring to fig. 1-2, a high temperature resistant steel band reinforced polyethylene spiral corrugated pipe includes a core pipe 1 made of PE-RT sheet, a steel band 2 is spirally wound on an outer surface of the core pipe 1, an outer layer 3 covers the outside of the steel band 2 and the core pipe 1, a joint of the core pipe 1 and the outer layer 3 is fused together to form a pipe wall and the steel band 2 is wrapped in the pipe wall, and a cross section of the steel band 2 is V-shaped.
The PE-RT is medium density polyethylene produced by adopting a special molecular design and synthesis process, a method for copolymerizing ethylene and octene is adopted, a unique molecular structure is obtained by controlling the number and distribution of side chains, so that the heat resistance of the PE pipe is improved, and the heat-resistant maximum temperature of the PE pipe is 60 degrees.
By the design, the core pipe 1 made of the PE-RT sheet can enable the high-temperature-resistant steel band reinforced polyethylene spiral corrugated pipe to be used for hot water delivery below 60 ℃ for a long time, and the high-temperature-resistant steel band reinforced polyethylene spiral corrugated pipe has the advantages of good flexibility, inertia, good impact resistance, better pressure resistance, no toxicity, no odor, no pollution, environmental friendliness and recyclability.
The outer layer 3 is made of PE (polyethylene), and the outer layer 3 covers the outer parts of the core pipe 1 and the steel strip 2 and is integrated with the core pipe 1.
Design like this, can be used for through outer 3 with 2 cladding of steel band be used for improving this high temperature resistant steel band enhancement polyethylene helical bellows's bulk strength in outer 3, and outer 3's material be PE can be when guaranteeing bulk strength the significantly reduced cost of making, improvement practicality.
The steel belt 2 is bent into a V-shaped section by a forming machine and a bending machine.
The inner side and the outer side of the steel belt 2 are respectively coated with bonding resin 4, and the bonding resin 4 is used for enhancing the connection strength of the steel belt 2 with the core pipe 1 and the outer layer 3, so that the overall structural strength is improved; avoiding the delamination phenomenon.
The steel belt 2 is spirally wound on the core pipe 1 to form a corrugated shape, and one sides of two adjacent steel belts 2 in the same cross section are respectively overlapped to form an overlapping section 5.
The overlapping section 5 is located on the core tube 1 to form a protective layer for enhancing the overall structural strength.
During manufacturing, firstly, a PE-RT sheet is wound on a mandrel to form a core pipe 1 with a solid wall, then a steel belt 2 pre-coated with adhesive resin 4 is formed into a V shape through a forming machine and a bending machine, then the steel belt is wound on the core pipe 1 according to a preset screw pitch on the mandrel, a layer of PE is extruded to cover the steel belt 2 and the core pipe 1, then the core pipe 1 and an outer layer 3 in a molten state are combined into a whole under a certain pressure, and thus the high-temperature-resistant steel belt reinforced polyethylene spiral corrugated pipe is manufactured.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (5)
1. The utility model provides a high temperature resistant steel band reinforcing polyethylene helical bellows which characterized in that: including core pipe (1) of making by the PE-RT sheet, spiral winding has steel band (2) on the surface of core pipe (1), the outside of steel band (2) and core pipe (1) covers has outer (3), the junction of core pipe (1) and outer (3) fuses into one and forms the pipe wall and with steel band (2) cladding in the pipe wall, the section of steel band (2) becomes the V type.
2. The high temperature resistant steel band reinforced polyethylene helical bellows of claim 1, wherein: the steel belt (2) is characterized in that the inner side and the outer side of the steel belt (2) are respectively coated with bonding resin (4), and the bonding resin (4) is used for enhancing the connection strength of the steel belt (2) with the core pipe (1) and the outer layer (3).
3. The high temperature resistant steel band reinforced polyethylene helical bellows of claim 2, wherein: the steel belt (2) is spirally wound on the core pipe (1) to form a corrugated shape, and one sides of two adjacent steel belts (2) in the same cross section are respectively overlapped to form an overlapping section (5).
4. The high temperature resistant steel band reinforced polyethylene helical bellows of claim 3, wherein: the overlapping section (5) is positioned on the core pipe (1) to form a protective layer.
5. The high temperature resistant steel band reinforced polyethylene helical bellows of claim 4, wherein: the outer layer (3) is made of polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921767156.7U CN211289063U (en) | 2019-10-21 | 2019-10-21 | High-temperature-resistant steel-band reinforced polyethylene spiral corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921767156.7U CN211289063U (en) | 2019-10-21 | 2019-10-21 | High-temperature-resistant steel-band reinforced polyethylene spiral corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211289063U true CN211289063U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921767156.7U Active CN211289063U (en) | 2019-10-21 | 2019-10-21 | High-temperature-resistant steel-band reinforced polyethylene spiral corrugated pipe |
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| Country | Link |
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| CN (1) | CN211289063U (en) |
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2019
- 2019-10-21 CN CN201921767156.7U patent/CN211289063U/en active Active
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Address after: 261000 southeast of the intersection of Luocheng street, Luosheng street and Donghuan Road, Shouguang City, Weifang City, Shandong Province Patentee after: Shandong Shengda New Material Technology Co.,Ltd. Address before: 262700 South 2201, intersection of Shengcheng West Street and West Outer Ring Road, Wenjia street, Shouguang City, Weifang City, Shandong Province Patentee before: Shandong Shengda Pipe Co.,Ltd. |