CN216158502U - Spiral steel wire bundle net layer reinforced structure composite pipe - Google Patents
Spiral steel wire bundle net layer reinforced structure composite pipe Download PDFInfo
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- CN216158502U CN216158502U CN202122073318.0U CN202122073318U CN216158502U CN 216158502 U CN216158502 U CN 216158502U CN 202122073318 U CN202122073318 U CN 202122073318U CN 216158502 U CN216158502 U CN 216158502U
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Abstract
The utility model relates to a spiral steel wire bundle net layer reinforced structure composite pipe, which comprises: the outer layer plastic pipe is coaxially coated outside the inner layer plastic pipe; the steel wire bundle core layer is of a cylindrical structure and is positioned between the inner plastic pipe and the outer plastic pipe, the steel wire bundle core layer is formed by spirally winding a plurality of steel wire bundles, and the steel wire bundles are formed by spirally twisting a plurality of steel wires. The pressure-bearing strength of the pipe is improved, the highest pressure-bearing standard is met, and the pipe has a good application prospect in pipeline engineering.
Description
Technical Field
The utility model belongs to the technical field of polyethylene composite pipe structures, and particularly relates to a composite pipe with a spiral steel wire bundle net layer reinforced structure.
Background
The information in this background section is only for enhancement of understanding of the general background of the utility model and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
The steel wire mesh skeleton polyethylene composite pipe is favored by the pipeline engineering field due to the excellent performance, the highest pressure bearing capacity of the polyethylene composite pipe can be improved due to the fact that steel wires clamped by the composite pipe have certain strength, and the composite pipe cannot meet the requirement of the highest pressure bearing capacity of 3.5MPa, in the two standards of GB/T32439 + 2015 steel wire mesh reinforced polyethylene composite pipe for water supply and CJ/T189 + 2007 steel wire mesh skeleton plastic (polyethylene) composite pipe and pipe fitting, the highest pressure bearing capacity of 3.5MPa is specified in the existing polyethylene composite pipe, and a steel wire layer is arranged in the existing polyethylene composite pipe and is formed by spirally winding thin steel wires (shown in figure 4).
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, the utility model aims to provide a composite pipe with a spiral steel wire bundle net layer reinforced structure.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
a spiral tendon mesh layer reinforced structural composite pipe comprising:
the outer layer plastic pipe is coaxially coated outside the inner layer plastic pipe;
the steel wire bundle core layer is of a cylindrical structure and is positioned between the inner plastic pipe and the outer plastic pipe, the steel wire bundle core layer is formed by spirally winding a plurality of steel wire bundles, and the steel wire bundles are formed by spirally twisting a plurality of steel wires.
The composite pipe structure can improve the bearing strength of the plastic pipe to be more than 3.5MPa, and compared with the existing composite pipe, the composite pipe structure is characterized in that a steel wire reinforcing layer inside the pipe is composed of steel wire bundles, steel wires are twisted into the steel wire bundles, then the steel wire bundles are spirally wound to form a steel wire bundle core layer, and the bearing capacity of the composite pipe is improved by utilizing the strength of the steel wire bundles.
One or more technical schemes of the utility model have the following beneficial effects:
the spiral steel wire bundle net layer reinforced structure composite pipe is obtained by matching a plastic pipe with a steel wire bundle core layer, wherein the steel wire bundle core layer is formed by spirally winding a plurality of steel wire bundles, the strength of the steel wire bundles is improved compared with that of steel wires, and the spiral steel wire bundle net layer reinforced structure composite pipe has higher bearing strength, conforms to the highest bearing standard and has better application prospect in pipeline engineering.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a block diagram of a composite pipe;
FIG. 2 is a schematic structural view of a tendon;
FIG. 3 is a schematic cross-sectional view of a core layer of a steel strand;
FIG. 4 is a schematic structural diagram of a conventional steel wire layer;
the steel wire bundle plastic pipe comprises a plastic pipe body 1, an inner plastic pipe body 2, an outer plastic pipe body 3, a steel wire bundle core layer 4, a hot melt adhesive layer 5 and a steel wire bundle.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
A spiral tendon mesh layer reinforced structural composite pipe comprising:
the outer layer plastic pipe is coaxially coated outside the inner layer plastic pipe;
the steel wire bundle core layer is of a cylindrical structure and is positioned between the inner plastic pipe and the outer plastic pipe, the steel wire bundle core layer is formed by spirally winding a plurality of steel wire bundles, and the steel wire bundles are formed by spirally twisting a plurality of steel wires.
As a further technical scheme, the diameter of the steel wires in the steel wire bundle is 0.1-1.5 mm.
As a further technical scheme, the diameter of the steel wire bundle is 0.1-1.5 mm.
As a further technical scheme, the inner layer plastic pipe and the outer layer plastic pipe are respectively made of polyethylene or polypropylene.
As a further technical scheme, the steel wire is made of carbon steel or stainless steel.
As a further technical scheme, the number of strands of the steel wires in the steel wire bundle is 8-12.
As a further technical scheme, 1-2 steel wire bundle layers are arranged in the radial direction of the section of the composite pipe.
As a further technical scheme, a hot melt adhesive layer is arranged between the inner plastic pipe and the steel wire bundle core layer.
As a further technical scheme, a hot melt adhesive layer is arranged between the outer plastic pipe and the steel wire bundle core layer.
The utility model relates to a spiral steel wire bundle net layer reinforced structure composite pipe, which comprises: the plastic pipe comprises an inner layer plastic pipe 1 and an outer layer plastic pipe 2, wherein the outer layer plastic pipe 2 is coaxially coated on the outer side of the inner layer plastic pipe 1; the steel wire bundle core layer 3 is of a cylindrical structure and is positioned between the inner plastic pipe 1 and the outer plastic pipe 2, the steel wire bundle core layer 3 is formed by spirally winding a plurality of steel wire bundles 5, and the steel wire bundles 5 are formed by spirally twisting a plurality of steel wires.
The composite pipe is characterized in that the inside and the outside of the composite pipe are plastic pipes, the middle of the composite pipe is combined with the steel wire bundle core layer 3, the steel wire bundle is formed by twisting a plurality of steel wires, namely, as shown in figure 2, the steel wires are twisted in a spiral mode, the steel wires can be better combined, the strength of the steel wire bundle is improved, the friction binding force between the steel wire bundles is larger, and the steel wire bundle can better resist external force after being mutually fastened together when bearing external pressure.
Further, the diameter of the steel wires in the steel wire bundle 5 is 0.1 to 1.5mm, further 0.1 to 0.7 mm. The bundle consists of a number of thin steel wires, the diameter of which affects the diameter and strength of the bundle.
Further, the diameter of the steel wire bundle 5 is 0.1 to 1.5mm, further 0.2 to 1.4 mm. Since the diameter of the steel wire bundle is larger than that of the steel wire, it is also necessary to control the diameter of the steel wire bundle to improve the bonding strength with the plastic pipe.
Further, the inner layer plastic pipe 1 and the outer layer plastic pipe 2 are made of polyethylene or polypropylene respectively. The inner pipe and the outer pipe are made of plastic, and the two plastic pipes cover the steel wire bundle core layer, so that the softness of the composite pipe is improved.
Further, the steel wire is made of carbon steel or stainless steel.
Further, the number of strands of the steel filaments in the bundle 5 is 8 to 12. The number of strands of the steel wires can affect the strength of the steel wires, the steel wires are generally arranged in 8-12 strands, the pressure-bearing strength of the pipe can reach more than 3.5MPa,
furthermore, 1-2 steel wire bundle layers are arranged in the radial direction of the section of the composite pipe. Generally, 1 steel wire bundle layer is arranged, as shown in fig. 3, namely, one steel wire bundle layer is wound on the outer side of the inner-layer plastic pipe, if two steel wire bundle layers are arranged, the thickness of the pipe can be ensured by adjusting the number of strands of the steel wires, the diameter of the steel wires and the like, and the pipe with better pressure bearing capacity can be obtained.
Further, a hot melt adhesive layer 4 is arranged between the inner plastic pipe 1 and the steel wire bundle core layer.
Furthermore, a hot melt adhesive layer 4 is arranged between the outer plastic pipe 2 and the steel wire bundle core layer.
The plastic pipe and the steel wire bundle layer are combined through the hot melt adhesive layer to form a whole, so that the pressure bearing capacity is improved. When the composite pipe is prepared, the steel wire bundle core layer is used as a reinforcing framework, and the special hot melt adhesive and the plastic are compounded into the integrated pipe by an extrusion molding method.
The composite pipe is composed of a steel wire bundle core layer, the steel wire bundle is composed of 8 strands of steel wires, the diameter of each steel wire is 0.1-0.7 mm, the pipe is continuously boosted until a sample is broken and exploded through the test temperature of 20 ℃, the test pressure of 2PN, the hydrostatic strength test of 1 hour, the test temperature of 60 ℃, the test pressure of 1.2PN and the hydrostatic strength test of 165 hours, the pipe is not broken or leaked, and the test temperature of 20 ℃, the test pressure is not less than 3.0PN, the composite pipe is subjected to pressure bearing test by three methods, and the maximum pressure bearing strength obtained through the test is 10.0 MPa.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a heliciform steel wire bundle stratum reticulare reinforcing structure composite pipe which characterized in that: the method comprises the following steps:
the outer layer plastic pipe is coaxially coated outside the inner layer plastic pipe;
the steel wire bundle core layer is of a cylindrical structure and is positioned between the inner plastic pipe and the outer plastic pipe, the steel wire bundle core layer is formed by spirally winding a plurality of steel wire bundles, and the steel wire bundles are formed by spirally twisting a plurality of steel wires.
2. The spiral steel wire strand web layer reinforced structural composite pipe as claimed in claim 1, wherein: the diameter of the steel wires in the steel wire bundle is 0.1-1.5 mm.
3. The spiral steel wire strand web layer reinforced structural composite pipe as claimed in claim 1, wherein: the diameter of the steel wire bundle is 0.1-1.5 mm.
4. The spiral steel wire strand web layer reinforced structural composite pipe as claimed in claim 1, wherein: the inner layer plastic pipe and the outer layer plastic pipe are respectively made of polyethylene or polypropylene.
5. The spiral steel wire strand web layer reinforced structural composite pipe as claimed in claim 1, wherein: the steel wire is made of carbon steel or stainless steel.
6. The spiral steel wire strand web layer reinforced structural composite pipe as claimed in claim 1, wherein: the number of strands of steel wires in the steel wire bundle is 8-12.
7. The spiral steel wire strand web layer reinforced structural composite pipe as claimed in claim 1, wherein: and 1-2 steel wire bundle layers are arranged in the radial direction of the section of the composite pipe.
8. The spiral steel wire strand web layer reinforced structural composite pipe as claimed in claim 1, wherein: and a hot melt adhesive layer is arranged between the inner plastic pipe and the steel wire bundle core layer.
9. The spiral steel wire strand web layer reinforced structural composite pipe as claimed in claim 1, wherein: and a hot melt adhesive layer is arranged between the outer plastic pipe and the steel wire bundle core layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122073318.0U CN216158502U (en) | 2021-08-30 | 2021-08-30 | Spiral steel wire bundle net layer reinforced structure composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122073318.0U CN216158502U (en) | 2021-08-30 | 2021-08-30 | Spiral steel wire bundle net layer reinforced structure composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216158502U true CN216158502U (en) | 2022-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122073318.0U Active CN216158502U (en) | 2021-08-30 | 2021-08-30 | Spiral steel wire bundle net layer reinforced structure composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216158502U (en) |
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2021
- 2021-08-30 CN CN202122073318.0U patent/CN216158502U/en active Active
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