CN211550790U - Composite polyolefin DRPO steel-plastic reinforced winding pipe - Google Patents
Composite polyolefin DRPO steel-plastic reinforced winding pipe Download PDFInfo
- Publication number
- CN211550790U CN211550790U CN201921044072.0U CN201921044072U CN211550790U CN 211550790 U CN211550790 U CN 211550790U CN 201921044072 U CN201921044072 U CN 201921044072U CN 211550790 U CN211550790 U CN 211550790U
- Authority
- CN
- China
- Prior art keywords
- steel
- coating
- steel belt
- drpo
- plastic reinforced
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model discloses a composite polyolefin DRPO steel-plastic reinforced winding pipe, which comprises a pipe body and a steel belt; the steel belt is wound on the outer wall of the pipe body; a first coating is arranged on the surface of the pipe body; the steel strip is wound on the first coating; the surface of the steel belt is also provided with a second coating; the section of the steel strip is circular; the utility model discloses the technical scheme who takes has solved present compound polyolefin steel and has moulded reinforcing winding pipe and mostly use square or triangular steel band winding to form, nevertheless adopts and has had the lower problem of ring stiffness.
Description
Technical Field
The utility model relates to a drainage sewage pipes produces processing equipment technical field, concretely relates to reinforcing winding pipe is moulded to compound polyolefin DRPO steel.
Background
A composite polyolefin (DRPO) steel-plastic reinforced buried sewage drainage pipe (called a DRPO steel-plastic reinforced winding pipe for short) is a novel sewage drainage pipeline which is produced by a unique forming process device and adopts an I-shaped steel principle on the basis of toughening and reinforcing polyolefin by activated rigid particles and a grafted elastomer material, and the outer wall of the novel sewage drainage pipeline is provided with a spiral steel belt reinforcing rib.
The steel-plastic reinforced high-performance polyolefin (DRPO) buried sewage drainage pipe is characterized in that a modified polyolefin material is used as a base body, a steel belt coated with bonding resin on the surface is formed into a wave shape to be used as a main supporting structure, and the wave shape is wound and compounded into an integral spiral pipe.
At present, the composite polyolefin steel-plastic reinforced winding pipe is mostly formed by winding square or triangular steel belts, but the problem of low ring stiffness exists in the existing composite polyolefin steel-plastic reinforced winding pipe.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reinforcing winding pipe is moulded to compound polyolefin DRPO steel solves the most square or triangular steel band winding that use of reinforcing winding pipe is moulded to compound polyolefin steel that uses at present and forms, nevertheless adopts the lower problem of ring stiffness that exists.
In order to solve the technical problem, the utility model adopts the following technical scheme: a composite polyolefin DRPO steel-plastic reinforced winding pipe comprises a pipe body and a steel belt; the steel belt is wound on the outer wall of the pipe body; a first coating is arranged on the surface of the pipe body; the steel strip is wound on the first coating; the surface of the steel belt is also provided with a second coating; the section of the steel strip is circular;
further, the first coating is an adhesive resin layer; the second coating is a polyethylene coating;
further, the steel belt comprises a left spiral steel belt and a right spiral steel belt; the left spiral steel strip and the right spiral steel strip are wound in a staggered mode;
further, a spiral groove is formed in the outer wall of the steel belt;
furthermore, the bottom of the spiral groove is in a semi-arc shape;
further, a hollow bulge is arranged on the second coating; the steel belt is positioned in the bulge; an anti-corrosion coating is also arranged in the groove between the bulges;
the further technical proposal is that the anti-corrosion coating is a tungsten carbide coating.
Compared with the prior art, the beneficial effects of the utility model are one of following at least:
1. the steel belt with a circular section is wound on the pipe body, so that the annular rigidity, the strength and the toughness of the pipeline can be enhanced;
2. the toughness of the pipeline can be enhanced by the first coating arranged on the outer wall of the pipe body, and the corrosion resistance can be enhanced by the second coating arranged on the surface of the steel belt, so that the overall performance of the pipeline is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a part of the structure of the present invention.
FIG. 3 is a schematic view of the structure of a steel strip.
Figure 4 is a side view of a steel strip.
In the drawings: 1. a pipe body; 2. a steel belt; 3. a first coating layer; 4. a second coating layer; 5. a left-handed helical steel strip; 6. a right spiral steel strip; 7. a helical groove; 8. a protrusion; 9. a groove; 10. an anti-corrosion coating.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1: as shown in fig. 1 to 2, a composite polyolefin DRPO steel-plastic reinforced winding pipe comprises a pipe body 1 and a steel belt 2; the steel belt 2 is wound on the outer wall of the pipe body 1; a first coating 3 is arranged on the surface of the pipe body 1; the steel strip 2 is wound on the first coating 3; the surface of the steel strip 2 is also provided with a second coating 4; the section of the steel strip 2 is circular; the steel belt 2 with a circular section is wound on the pipe body 1, so that the annular rigidity, strength and toughness of the pipeline can be enhanced; the toughness of pipeline can be strengthened to first coating 3 that sets up on body 1 outer wall, sets up second coating 4 on steel band 2 surfaces, can strengthen corrosion resistance, improves the wholeness ability of pipeline.
The first coating 3 is an adhesive resin layer; the second coating 4 is a polyethylene coating; the bonding resin can enhance the sealing property of the joint, and the polyethylene coating enhances the corrosion resistance, thereby being beneficial to prolonging the service cycle of the pipeline.
The steel belt 2 comprises a left spiral steel belt 5 and a right spiral steel belt 6; the left spiral steel strip 5 and the right spiral steel strip 6 are mutually staggered and wound; the left spiral steel strip 5 and the right spiral steel strip 6 form double spirals on the pipe body 1, and the pressure resistance and the ductility are enhanced.
Example 2: as shown in fig. 1, 3 and 4, the composite polyolefin DRPO steel-plastic reinforced winding pipe comprises a pipe body 1 and a steel belt 2; the steel belt 2 is wound on the outer wall of the pipe body 1; a first coating 3 is arranged on the surface of the pipe body 1; the steel strip 2 is wound on the first coating 3; the surface of the steel strip 2 is also provided with a second coating 4; the section of the steel strip 2 is circular; the steel belt 2 with a circular section is wound on the pipe body 1, so that the annular rigidity, strength and toughness of the pipeline can be enhanced; the toughness of pipeline can be strengthened to first coating 3 that sets up on body 1 outer wall, sets up second coating 4 on steel band 2 surfaces, can strengthen corrosion resistance, improves the wholeness ability of pipeline.
The outer wall of the steel belt 2 is provided with a spiral groove 7; the spiral groove 7 is formed in the steel strip 2, so that the steel strip 2 has certain micro-deformation capacity, and the ductility and the pressure resistance are improved.
The bottom of the spiral groove 7 is in a semi-arc shape; the bottom of the spiral groove 7 is a semicircular arc, which is equivalent to reducing the sectional area of the steel belt 2 and is beneficial to enhancing the bending resistance of the steel belt 2.
Example 3: as shown in fig. 1, a composite polyolefin DRPO steel-plastic reinforced winding pipe comprises a pipe body 1 and a steel belt 2; the steel belt 2 is wound on the outer wall of the pipe body 1; a first coating 3 is arranged on the surface of the pipe body 1; the steel strip 2 is wound on the first coating 3; the surface of the steel strip 2 is also provided with a second coating 4; the section of the steel strip 2 is circular; the steel belt 2 with a circular section is wound on the pipe body 1, so that the annular rigidity, strength and toughness of the pipeline can be enhanced; the toughness of pipeline can be strengthened to first coating 3 that sets up on body 1 outer wall, sets up second coating 4 on steel band 2 surfaces, can strengthen corrosion resistance, improves the wholeness ability of pipeline.
The second coating 4 is provided with a hollow bulge 8; the steel belt 2 is positioned in the bulge 8; an anti-corrosion coating 10 is also arranged in the groove 9 between the bulges 8; the second coating 4 is used for protecting the steel strip 2 and reducing corrosion damage, and the corrosion-resistant coating 10 can prevent corrosive gas-liquid substances from being easily retained in gaps of the grooves 9 between the protrusions 8, so that the grooves 9 are corroded, and the service life is influenced.
The corrosion-resistant coating 10 is a tungsten carbide coating; the tungsten carbide coating can improve the cavitation erosion resistance of the surface of the groove 9 and can be attached to the groove 9 in a spraying mode.
Example 4: as shown in fig. 1 to 4, a composite polyolefin DRPO steel-plastic reinforced winding pipe comprises a pipe body 1 and a steel belt 2; the steel belt 2 is wound on the outer wall of the pipe body 1; a first coating 3 is arranged on the surface of the pipe body 1; the steel strip 2 is wound on the first coating 3; the surface of the steel strip 2 is also provided with a second coating 4; the section of the steel strip 2 is circular; the steel belt 2 with a circular section is wound on the pipe body 1, so that the annular rigidity, strength and toughness of the pipeline can be enhanced; the toughness of pipeline can be strengthened to first coating 3 that sets up on body 1 outer wall, sets up second coating 4 on steel band 2 surfaces, can strengthen corrosion resistance, improves the wholeness ability of pipeline.
The first coating 3 is an adhesive resin layer; the second coating 4 is a polyethylene coating; the bonding resin can enhance the sealing property of the joint, and the polyethylene coating enhances the corrosion resistance, thereby being beneficial to prolonging the service cycle of the pipeline.
The steel belt 2 comprises a left spiral steel belt 5 and a right spiral steel belt 6; the left spiral steel strip 5 and the right spiral steel strip 6 are mutually staggered and wound; the left spiral steel strip 5 and the right spiral steel strip 6 form double spirals on the pipe body 1, and the pressure resistance and the ductility are enhanced.
The outer wall of the steel belt 2 is provided with a spiral groove 7; the spiral groove 7 is formed in the steel strip 2, so that the steel strip 2 has certain micro-deformation capacity, and the ductility and the pressure resistance are improved.
The bottom of the spiral groove 7 is in a semi-arc shape; the bottom of the spiral groove 7 is a semicircular arc, which is equivalent to reducing the sectional area of the steel belt 2 and is beneficial to enhancing the bending resistance of the steel belt 2.
The second coating 4 is provided with a hollow bulge 8; the steel belt 2 is positioned in the bulge 8; an anti-corrosion coating 10 is also arranged in the groove 9 between the bulges 8; the second coating 4 is used for protecting the steel strip 2 and reducing corrosion damage, and the corrosion-resistant coating 10 can prevent corrosive gas-liquid substances from being easily retained in gaps of the grooves 9 between the protrusions 8, so that the grooves 9 are corroded, and the service life is influenced.
The corrosion-resistant coating 10 is a tungsten carbide coating; the tungsten carbide coating can improve the cavitation erosion resistance of the surface of the groove 9 and can be attached to the groove 9 in a spraying mode.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. A composite polyolefin DRPO steel-plastic reinforced winding pipe comprises a pipe body (1) and a steel belt (2); the steel belt (2) is wound on the outer wall of the pipe body (1); the method is characterized in that: a first coating (3) is arranged on the surface of the pipe body (1); the steel strip (2) is wound on the first coating (3); the surface of the steel belt (2) is also provided with a second coating (4); the section of the steel belt (2) is circular; a hollow bulge (8) is arranged on the second coating (4); the steel belt (2) is positioned in the bulge (8); an anti-corrosion coating (10) is also arranged in the groove (9) between the bulges (8).
2. The composite polyolefin DRPO steel-plastic reinforced winding pipe as claimed in claim 1, wherein: the first coating (3) is an adhesive resin layer; the second coating (4) is a polyethylene coating.
3. The composite polyolefin DRPO steel-plastic reinforced winding pipe as claimed in claim 1, wherein: the steel belt (2) comprises a left spiral steel belt (5) and a right spiral steel belt (6); the left spiral steel belt (5) and the right spiral steel belt (6) are wound in a staggered mode.
4. The composite polyolefin DRPO steel-plastic reinforced winding pipe as claimed in claim 1, wherein: the outer wall of the steel belt (2) is provided with a spiral groove (7).
5. The composite polyolefin DRPO steel-plastic reinforced winding pipe as claimed in claim 4, wherein: the bottom of the spiral groove (7) is in a semi-arc shape.
6. The composite polyolefin DRPO steel-plastic reinforced winding pipe as claimed in claim 1, wherein: the corrosion-resistant coating (10) is a tungsten carbide coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044072.0U CN211550790U (en) | 2019-07-05 | 2019-07-05 | Composite polyolefin DRPO steel-plastic reinforced winding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044072.0U CN211550790U (en) | 2019-07-05 | 2019-07-05 | Composite polyolefin DRPO steel-plastic reinforced winding pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211550790U true CN211550790U (en) | 2020-09-22 |
Family
ID=72487883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921044072.0U Active CN211550790U (en) | 2019-07-05 | 2019-07-05 | Composite polyolefin DRPO steel-plastic reinforced winding pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211550790U (en) |
-
2019
- 2019-07-05 CN CN201921044072.0U patent/CN211550790U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211550790U (en) | Composite polyolefin DRPO steel-plastic reinforced winding pipe | |
| CN101392856B (en) | Spiral reinforcing rod composite pipe | |
| CN219623484U (en) | Ultrahigh-pressure equal-drift-diameter acidizing and fracturing hose assembly and acidizing and fracturing hose | |
| CN208886148U (en) | Helical bellows with groove and vertical enhancing muscle | |
| CN201326838Y (en) | Steel-plastic composite pipe | |
| CN207989929U (en) | A kind of high rigidity steel pipe | |
| CN209781891U (en) | Internal rib reinforced helical bellows | |
| CN104279375A (en) | Composite V-shaped steel band reinforced polyethylene screw corrugated pipe | |
| CN213393922U (en) | Vertical mysterious plastic pipeline with polyethylene | |
| CN206637140U (en) | A kind of Shockproof anti-corrosion stainless steel tube | |
| CN206592671U (en) | A kind of novel stainless steel seamless steel tube | |
| CN204062230U (en) | A kind of high flexibility composite pipe | |
| CN205048009U (en) | Steel-plastic composite reinforced spiral double-bellows | |
| CN219866699U (en) | Anticorrosive enhancement mode HDPE feed pipe | |
| CN220851069U (en) | High-strength enhanced special-shaped industrial welded pipe | |
| CN213393921U (en) | Square plastic-in-brown pipeline with polyethylene | |
| CN209856539U (en) | High-strength and high-hardness silencing drainage pipeline | |
| CN217927735U (en) | Bent pipe structure | |
| CN209511306U (en) | A kind of novel lining pipe | |
| CN216201303U (en) | Efficient wear-resistant rubber hose with long service life | |
| CN215172912U (en) | UHMWPE composite reinforced winding pipe | |
| CN215806878U (en) | Interior bushing pipe with additional strengthening | |
| CN209354778U (en) | A kind of HDPE plastic-steel spirally-wound pipe of high intensity | |
| CN219912075U (en) | Ultra-high molecular weight polyethylene pipe | |
| CN203963285U (en) | A kind of corrosion resistant type steel pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |