CN110829341A - Multilayer steel wire winding modified polyethylene wear-resistant composite pipe - Google Patents
Multilayer steel wire winding modified polyethylene wear-resistant composite pipe Download PDFInfo
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- CN110829341A CN110829341A CN201911097389.5A CN201911097389A CN110829341A CN 110829341 A CN110829341 A CN 110829341A CN 201911097389 A CN201911097389 A CN 201911097389A CN 110829341 A CN110829341 A CN 110829341A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
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Abstract
A multilayer steel wire winding modified polyethylene wear-resistant composite pipe comprises: the core pipe is formed by a modified polyethylene hot melting injection pipe; the first hot-melt adhesive glue layer is fused on the peripheral surface of the core pipe to wrap the core pipe; a first wire-wound support layer; the steel wire comprises a steel wire and a steel wire, wherein the steel wire forms a staggered angle of 73.5 degrees, and the steel wire is added with impregnating resin and is formed by being wound in a staggered way; the second hot-melt adhesive layer is fused on the surface of the first steel wire winding support layer, and the first steel wire winding support layer is positioned between the first hot-melt adhesive layer and the second hot-melt adhesive layer; a second wire-wound support layer; the steel wire comprises a steel wire and a steel wire, wherein the steel wire forms a staggered angle of 33.5 degrees, and the steel wire is added with impregnating resin and is formed by being wound in a staggered way; the third hot-melt adhesive layer is fused on the surface of the second steel wire winding support layer, and the second steel wire winding support layer is positioned between the second hot-melt adhesive layer and the third hot-melt adhesive layer; and the outer pipe is a modified polyethylene hot-melting injection pipe which is arranged on the peripheral surface of the third hot-melting adhesive layer to form a whole.
Description
Technical Field
The invention relates to a multilayer steel wire winding modified polyethylene wear-resistant composite pipe.
Background
China is a big country for pipeline arrangement, electric power pipe networks need to use various conveying pipelines, and several steel skeleton plastic composite pipes are developed in sequence: the steel plate reinforced plastic composite pipe, the punched steel belt skeleton composite pipe, the steel wire mesh node wound skeleton composite pipe and the steel wire wound reinforced polyethylene composite pipe are sequentially arranged in the steel plate reinforced plastic composite pipe, the punched steel belt skeleton composite pipe, the steel wire mesh node wound skeleton composite pipe and the steel wire wound reinforced polyethylene composite pipe, wherein the steel wire wound reinforced polyethylene composite pipe is high in tensile strength and excellent in toughness and crack resistance. But traditional pipeline yielding, support ability are not good enough, and the requirement of pipeline is used than abominable underground environment, and the requirement of dampproofing anticorrosive resistance to compression shape of preapring for an unfavorable turn of events is higher.
Therefore, a multilayer steel wire winding modified polyethylene wear-resistant composite pipe is developed.
Disclosure of Invention
The invention aims to provide a multilayer steel wire winding modified polyethylene wear-resistant composite pipe, which relates to special purposes such as power pipelines and particularly severe environment use, has a firm and simple structure, is easy to realize batch production, is effective in moisture prevention, corrosion prevention, compression resistance and deformation prevention, and has good water tightness and strength. Therefore, the pipe is a pipe with excellent economical efficiency and technical performance.
In order to achieve the above object, the present invention provides a multilayer steel wire winding modified polyethylene wear-resistant composite pipe, comprising:
the core pipe is formed by a modified polyethylene hot melting injection pipe;
the first hot-melt adhesive glue layer is fused on the peripheral surface of the core pipe to wrap the core pipe;
a first wire-wound support layer; the steel wire comprises a steel wire and a steel wire, wherein the steel wire forms a staggered angle of 73.5 degrees, and the steel wire is added with impregnating resin and is formed by being wound in a staggered way;
the second hot-melt adhesive layer is fused on the surface of the first steel wire winding support layer, and the first steel wire winding support layer is positioned between the first hot-melt adhesive layer and the second hot-melt adhesive layer;
a second wire-wound support layer; the steel wire comprises a steel wire and a steel wire, wherein the steel wire forms a staggered angle of 33.5 degrees, and the steel wire is added with impregnating resin and is formed by being wound in a staggered way;
the third hot-melt adhesive layer is fused on the surface of the second steel wire winding support layer, and the second steel wire winding support layer is positioned between the second hot-melt adhesive layer and the third hot-melt adhesive layer;
and the outer pipe is a modified polyethylene hot-melting injection pipe which is arranged on the peripheral surface of the third hot-melting adhesive layer to form a whole.
In one or more embodiments of the invention, the steel wire diameter is between 1.3mm and 1.45mm, and the resin-impregnated steel wire diameter is between 1.75mm and 1.85 mm.
In one or more embodiments of the present invention, the thickness of the first hot-melt adhesive layer is less than one tenth of the core tube; the thickness ratio of the first hot-melt adhesive layer to the second hot-melt adhesive layer to the third hot-melt adhesive layer is 100: 125: 138.
In one or more embodiments of the invention, the core tube and the outer tube have a dense wear resistant layer on their surfaces.
In one or more embodiments of the invention, the core tube has a thickness greater than 2.5 times the outer tube.
Compared with the background technology, the invention has the following effects:
because the scheme is adopted, the invention relates to the special purposes of power pipelines, particularly severe environment use and the like, has firm and simple structure, is easy to realize batch production, is effective in moisture protection, corrosion prevention, compression resistance and deformation prevention, and has good water tightness and strength. Therefore, the pipe is a pipe with excellent economical efficiency and technical performance.
Drawings
Fig. 1 is a schematic structural diagram of a multilayer steel wire winding modified polyethylene wear-resistant composite pipe in an embodiment of the invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.
The orientations shown in the drawings are not to be understood as limiting the specific scope of the present invention, but are merely provided for an understanding of preferred embodiments, with changes in position or addition of numbers or structural simplifications to the product parts shown in the drawings.
The relation of "connected" between the components shown in the drawings and described in the specification can be understood as fixedly connected or detachably connected or integrally connected; may be directly connected or connected through an intermediate, and those skilled in the art will understand that the connection relation may be substituted in a suitable manner for the different embodiments according to the specific situation, and the orientations shown in the drawings may be direct contact or contact through another feature therebetween; above may be directly above and obliquely above, or it simply means above the other; other orientations may be understood by analogy.
The technical scheme and the beneficial effects of the invention are clearer and clearer by further describing the specific implementation mode of the invention with the accompanying drawings of the specification; and are intended to be illustrative of the invention and not to be construed as limiting the invention.
Referring to fig. 1, a multilayer steel wire-wound modified polyethylene wear-resistant composite pipe is provided, which includes a core pipe 1, a first hot-melt adhesive layer 2, a first steel wire-wound support layer 3, a second hot-melt adhesive layer 4, a second steel wire-wound support layer 5, a third hot-melt adhesive layer 6, and an outer pipe 7; the core tube 1 is formed by a modified polyethylene hot-melting injection tube; the first hot melt adhesive layer 2 is fused on the outer peripheral surface of the core tube 1 to wrap the core tube; the first wire winding support layer 3 includes steel wires 31 and resin-impregnated steel wires 32 forming a stagger angle a of 73.5 degrees, which are formed by being crosswound;
the second hot-melt adhesive layer 4 is adhered to the surface of the first steel wire winding support layer 3 in a melting mode, and the first steel wire winding support layer 3 is located between the first hot-melt adhesive layer 2 and the second hot-melt adhesive layer 4; the second wire winding support layer 5 includes a steel wire 51 and a resin-impregnated steel wire 52 forming a stagger angle b of 33.5 degrees, which are formed by being crosswound; the third hot-melt adhesive layer 6 is adhered to the surface of the second steel wire winding support layer 5 in a melting mode, and the second steel wire winding support layer 5 is located between the second hot-melt adhesive layer 4 and the third hot-melt adhesive layer 6; the outer pipe 7 is a modified polyethylene hot-melt injection pipe which is integrated on the outer peripheral surface of the third hot-melt adhesive layer 6.
The thickness proportion of the core pipe 1 has enough supporting strength and no deformation, when pressure is applied, the second steel wire winding support layer 5 forms the steel wire 51 with the stagger angle b of 33.5 degrees and the steel wire 52 with the impregnating resin, the steel wire concentration and the dispersed stress supporting strength are optimal when the angle is 33.5 degrees, of course, the second steel wire winding support layer 5 transmits the first steel wire winding support layer 3 when being applied with force, the steel wire 31 with the stagger angle a of 73.5 degrees and the steel wire 32 with the impregnating resin are formed, the steel wire concentration is different from that of the first steel wire winding support layer 3 under the angle, the stress is dispersed in different directions to prevent deformation and reduce the material cost.
In order to increase the supporting force and improve the bearing capacity, the diameter of the steel wire in the embodiment is between 1.3mm and 1.45mm, and the diameter of the steel wire added with the impregnating resin is between 1.75mm and 1.85 mm. The thickness of the first hot melt adhesive layer 2 is less than one tenth of that of the core tube 1; the thickness ratio of the first hot-melt adhesive layer 2 to the second hot-melt adhesive layer 4 to the third hot-melt adhesive layer 6 is 100: 125: 138, and the first hot-melt adhesive layer 2, the second hot-melt adhesive layer 4 and the third hot-melt adhesive layer 6 wrap the metal interlayer, so that the metal interlayer is waterproof and moistureproof. The core tube 1 and the outer tube 7 are provided with dense wear-resistant layers on the surfaces, so that the surfaces are prevented from being damaged during conveying and tube arrangement construction; the thickness of the core tube is 2.5 times larger than that of the outer tube. The invention relates to a power pipeline, has special purposes such as particularly severe environment use, firm and simple structure, easy realization of batch production, effective moisture resistance, corrosion resistance, compression resistance, deformation resistance, good water tightness and strength, and the like. Therefore, the pipe is a pipe with excellent economical efficiency and technical performance.
While this invention has been described in terms of the preferred embodiments, there may be alterations, permutations, and equivalents, which fall within the scope of this invention; there are many alternative ways of implementing the invention. It is therefore intended that the following appended claims be interpreted as including all such alterations, permutations, and equivalents as fall within the true spirit and scope of the present invention; it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and modifications and substitutions based on the known art are possible within the scope of the present invention, which is defined by the claims.
Claims (5)
1. A multilayer steel wire winding modified polyethylene wear-resistant composite pipe comprises:
the core pipe is formed by a modified polyethylene hot melting injection pipe;
the first hot-melt adhesive glue layer is fused on the peripheral surface of the core pipe part to wrap the core pipe;
a first wire-wound support layer; the steel wire comprises a steel wire and a steel wire, wherein the steel wire forms a staggered angle of 73.5 degrees, and the steel wire is added with impregnating resin and is formed by being wound in a staggered way;
the second hot-melt adhesive layer is fused on the surface of the first steel wire winding support layer, and the first steel wire winding support layer is positioned between the first hot-melt adhesive layer and the second hot-melt adhesive layer;
a second wire-wound support layer; the steel wire comprises a steel wire and a steel wire, wherein the steel wire forms a staggered angle of 33.5 degrees, and the steel wire is added with impregnating resin and is formed by being wound in a staggered way;
the third hot-melt adhesive layer is fused on the surface of the second steel wire winding support layer, and the second steel wire winding support layer is positioned between the second hot-melt adhesive layer and the third hot-melt adhesive layer;
and the outer pipe is a modified polyethylene hot-melting injection pipe which is arranged on the peripheral surface of the third hot-melting adhesive layer to form a whole.
2. The multilayer steel wire-wound modified polyethylene wear-resistant composite pipe according to claim 1, characterized in that: the diameter of the steel wire is 1.3mm to 1.45mm, and the diameter of the steel wire added with the impregnating resin is 1.75mm to 1.85 mm.
3. The multilayer steel wire-wound modified polyethylene wear-resistant composite pipe according to claim 2, characterized in that: the thickness of the first hot-melt adhesive layer is less than one tenth of that of the core pipe; the thickness ratio of the first hot-melt adhesive layer to the second hot-melt adhesive layer to the third hot-melt adhesive layer is 100: 125: 138.
4. The multilayer steel wire-wound modified polyethylene wear-resistant composite pipe according to claim 3, characterized in that: the core tube and the outer tube are provided with a dense wear-resistant layer on the surface.
5. The multilayer steel wire-wound modified polyethylene wear-resistant composite pipe according to claim 4, characterized in that: the thickness of the core tube is 2.5 times larger than that of the outer tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097389.5A CN110829341A (en) | 2019-11-12 | 2019-11-12 | Multilayer steel wire winding modified polyethylene wear-resistant composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097389.5A CN110829341A (en) | 2019-11-12 | 2019-11-12 | Multilayer steel wire winding modified polyethylene wear-resistant composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110829341A true CN110829341A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911097389.5A Pending CN110829341A (en) | 2019-11-12 | 2019-11-12 | Multilayer steel wire winding modified polyethylene wear-resistant composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110829341A (en) |
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2019
- 2019-11-12 CN CN201911097389.5A patent/CN110829341A/en active Pending
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