CN116293099A - A multi-layer steel wire wound modified polyethylene wear-resistant composite pipe - Google Patents

Abstract

The invention provides a multi-layer steel wire wound modified polyethylene wear-resistant composite pipe, which relates to the technical field of pipes. A multi-layer steel wire wound modified polyethylene wear-resistant composite pipe, which sequentially includes a wear-resistant layer, a pressure-bearing reinforcement layer and a fixed layer from the inside to the outside. The pressure-bearing reinforcement layer is fixedly sleeved on the outer side wall of the wear-resistant layer. There are multiple pressure-bearing reinforcement layers and they are nested with each other. The above-mentioned fixed layer is fixedly sleeved on the outer sidewall of the pressure-bearing reinforcement layer; the inner sidewall of the above-mentioned wear-resistant layer is provided with a plurality of reinforcing ribs. By adopting the present invention, it can propose a solution for the deficiencies of the prior art. It can form a pressure-bearing reinforcement layer by winding a steel wire mesh to enhance the structural strength of the composite pipe, thereby enhancing the pressure resistance of the composite pipe and improving the strength of the composite pipe. It has the advantages of long service life, high pressure bearing capacity and high tensile strength.

Description

A multi-layer steel wire wound modified polyethylene wear-resistant composite pipe

technical field

The invention relates to the technical field of pipelines, in particular to a multi-layer steel wire wound modified polyethylene wear-resistant composite pipe.

Background technique

Composite pipe is a commonly used pipe material in the fields of urban water diversion and transportation, municipal water supply pipe network, urban rain and sewage pipe network, farmland irrigation, water conservancy and hydropower, petrochemical industry, etc., and the strength of the composite pipe is strengthened by setting a reinforcing layer. However, the structural strength of the traditional reinforcement layer is not high, the pressure bearing capacity is not strong, and it is easy to be damaged when the pipeline is bent, which affects the pressure resistance of the pipeline.

Contents of the invention

The purpose of the present invention is to provide a multi-layer steel wire wound modified polyethylene wear-resistant composite pipe, which can provide a solution to the deficiencies of the prior art, and can form a pressure-bearing reinforcement layer by winding a steel wire mesh to enhance the strength of the composite pipe. Structural strength, which in turn enhances the pressure resistance of the composite pipe, improves the service life of the composite pipe, and has the advantages of long service life, high pressure bearing capacity, and high tensile strength.

The technical scheme adopted in the present invention is:

The embodiment of the present application provides a multi-layer steel wire wound modified polyethylene wear-resistant composite pipe, which sequentially includes a wear-resistant layer, a pressure-bearing reinforcement layer and a fixing layer from the inside to the outside. The pressure-bearing reinforcement layer is fixedly sleeved on the above-mentioned wear-resistant On the outer side wall of the pressure-bearing reinforced layer, the number of the above-mentioned pressure-bearing reinforced layers is multiple and nested with each other, the above-mentioned fixed layer is fixedly sleeved on the outer side wall of the above-mentioned pressure-bearing reinforced layer; the inner side wall of the above-mentioned wear-resistant layer is provided with a plurality of reinforcing ribs.

Further, in some embodiments of the present invention, the above-mentioned pressure-bearing reinforcement layer is made of steel wire mesh.

Further, in some embodiments of the present invention, an adhesive layer is provided between any adjacent two of the above-mentioned pressure-bearing reinforced layers, and the adjacent two of the above-mentioned pressure-bearing reinforced layers are bonded by the above-mentioned adhesive layer.

Further, in some embodiments of the present invention, an adhesive layer is provided between the above-mentioned wear-resistant layer and the above-mentioned pressure-bearing reinforced layer, and the above-mentioned wear-resistant layer and the above-mentioned pressure-bearing reinforced layer are bonded through the above-mentioned adhesive layer.

Further, in some embodiments of the present invention, an adhesive layer is provided between the above-mentioned fixed layer and the above-mentioned pressure-bearing reinforced layer, and the above-mentioned fixed layer and the above-mentioned pressure-bearing reinforced layer are bonded by the above-mentioned adhesive layer.

Further, in some embodiments of the present invention, the reinforcing ribs are evenly spaced along the circumferential direction of the wear-resistant layer, and the extending direction of the reinforcing ribs is consistent with the extending direction of the wear-resistant layer.

Further, in some embodiments of the present invention, a pressure-bearing support ring is provided inside the above-mentioned wear-resistant layer, and the above-mentioned pressure-bearing support ring is coaxial with the above-mentioned wear-resistant layer.

Further, in some embodiments of the present invention, there are multiple pressure-bearing support rings, which are evenly spaced along the extending direction of the wear-resistant layer.

Compared with the prior art, the embodiments of the present invention have at least the following advantages or beneficial effects:

An embodiment of the present invention provides a multi-layer steel wire wound modified polyethylene wear-resistant composite pipe, which sequentially includes a wear-resistant layer, a pressure-bearing reinforcement layer and a fixing layer from the inside to the outside. The pressure-bearing reinforcement layer is fixedly sleeved on the above-mentioned wear-resistant On the outer side wall of the pressure-bearing reinforced layer, the number of the above-mentioned pressure-bearing reinforced layers is multiple and nested with each other, the above-mentioned fixed layer is fixedly sleeved on the outer side wall of the above-mentioned pressure-bearing reinforced layer; the inner side wall of the above-mentioned wear-resistant layer is provided with a plurality of reinforcing ribs.

The modified polyethylene core layer is used as the wear-resistant layer, and the coated high-strength steel wire is continuously wound and multi-layered as the pressure-bearing reinforcement layer. The special adhesive factor and modified polyethylene are extruded through internal shaping. The pipes composited into one by the molding method can enhance the structural strength of the composite pipe through multiple pressure-bearing reinforcement layers, thereby enhancing the pressure resistance of the composite pipe and improving the service life of the composite pipe. It has a long service life and a pressure-bearing capacity. High, high tensile strength and other advantages.

By providing a plurality of reinforcing ribs on the inner wall of the wear-resistant layer, the structural strength and pressure resistance of the composite pipe can be improved through the reinforcing ribs.

By setting the pressure supporting ring, the pressure resistance and structural strength of the wear-resistant layer can be improved through the pressure supporting ring, and the structural strength of the composite pipe can be further improved.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and thus It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Figure 1 is a schematic structural view of a multi-layer steel wire wound modified polyethylene wear-resistant composite pipe provided by an embodiment of the present invention;

Fig. 2 is a cross-sectional view of a multi-layer steel wire wound modified polyethylene wear-resistant composite pipe provided by an embodiment of the present invention.

Icons: 1-wear-resistant layer; 2-pressure-bearing reinforcement layer; 3-fixed layer; 4-bonding layer; 5-reinforcing rib; 6-pressure-bearing support ring.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the invention is used, and is only for the convenience of describing the present invention and simplifying the description. It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, terms such as "first" and "second" are used only for distinguishing descriptions, and should not be understood as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should also be noted that, unless otherwise specified and limited, the terms "setting" and "connection" should be interpreted in a broad sense, for example, it can be a fixed connection or an optional connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Example

Please refer to Figure 1-Figure 2, Figure 1 shows a schematic structural view of the multi-layer steel wire wound modified polyethylene wear-resistant composite pipe provided by the embodiment of the present invention; Figure 2 shows the multi-layer steel wire wound pipe provided by the embodiment of the present invention Sectional view of modified polyethylene wear-resistant composite pipe.

This embodiment provides a multi-layer steel wire wound modified polyethylene wear-resistant composite pipe, which sequentially includes a wear-resistant layer 1, a pressure-bearing reinforcement layer 2 and a fixed layer 3 from the inside to the outside. The above-mentioned pressure-bearing reinforcement layer 2 is fixedly sleeved on the On the outer sidewall of the wear-resistant layer 1, the number of the above-mentioned pressure-bearing reinforced layers 2 is multiple and mutually sleeved, and the above-mentioned fixed layer 3 is fixedly sleeved on the outer sidewall of the above-mentioned pressure-resistant reinforced layer 2; the inner sidewall of the above-mentioned wear-resistant layer 1 is provided with Multiple ribs 5. The reinforcing ribs 5 are evenly spaced along the circumferential direction of the wear-resistant layer 1 , and the extending direction of the reinforcing ribs 5 is consistent with the extending direction of the wear-resistant layer 1 . The pressure-bearing reinforcement layer 2 is made of steel mesh.

An adhesive layer 4 is provided between any two adjacent pressure-bearing reinforced layers 2 , and two adjacent pressure-bearing reinforced layers 2 are bonded by the above-mentioned adhesive layer 4 .

An adhesive layer 4 is provided between the wear-resistant layer 1 and the pressure-bearing reinforced layer 2 , and the wear-resistant layer 1 and the pressure-bearing reinforced layer 2 are bonded by the adhesive layer 4 . An adhesive layer 4 is provided between the fixing layer 3 and the pressure-bearing reinforced layer 2 , and the fixed layer 3 and the pressure-bearing reinforced layer 2 are bonded by the adhesive layer 4 .

The wear-resistant layer 1 of this embodiment can be made of modified polyethylene, which can enhance the wear-resistant performance of the composite pipe; two pressure-bearing reinforcing layers 2 of this embodiment can be used. The pressure-bearing reinforcement layer 2 is made of steel wire mesh, in which the coated high-strength steel wire is continuously wound to form the pressure-bearing reinforcement layer 2; the adhesive layer 4 can use a special bonding factor for pipelines, and the special bonding factor can be Using polyethylene as the matrix, modified by grafting maleic anhydride, a special polymer material with both polar groups (maleic anhydride groups) and non-polar groups (vinyl groups). The fixing layer 3 can be made of modified polyethylene. By providing a plurality of reinforcing ribs 5 on the inner wall of the wear-resistant layer 1, the structural strength and pressure resistance of the composite pipe can be improved through the reinforcing ribs 5. The reinforcing rib 5 can be made of steel wire.

In this way, the modified polyethylene core layer is used as the wear-resistant layer 1, and the interlayer formed by continuous winding of the coated high-strength steel wire and distributed in multiple layers is used as the pressure-bearing reinforcement layer 2. The pipes composited into one by the internal shaping extrusion molding method can enhance the structural strength of the composite pipe through multiple pressure-bearing reinforcement layers 2, thereby enhancing the pressure resistance of the composite pipe, improving the service life of the composite pipe, and having a long service life. , High pressure bearing capacity, high tensile strength and so on.

As shown in FIGS. 1-2 , in some embodiments of the present invention, a pressure-bearing support ring 6 is provided inside the wear-resistant layer 1 , and the pressure-bearing support ring 6 is coaxial with the wear-resistant layer 1 . There are a plurality of pressure-bearing support rings 6 arranged at uniform intervals along the extending direction of the above-mentioned wear-resistant layer 1 .

In the present invention, by setting the pressure-bearing support ring 6, the pressure resistance and structural strength of the wear-resistant layer 1 can be improved through the pressure-bearing support ring 6, and the structural strength of the composite pipe can be further improved. The pressure bearing support ring 6 can adopt steel traveler.

In summary, the embodiment of the present invention provides a multi-layer steel wire wound modified polyethylene wear-resistant composite pipe:

The core layer of modified polyethylene is used as the wear-resistant layer 1, and the sandwich layer formed by continuous winding of high-strength steel wire after coating treatment and distributed in multiple layers is used as the pressure-bearing reinforcement layer 2. The pipes composited into one by the extrusion molding method can enhance the structural strength of the composite pipe through multiple pressure-bearing reinforcement layers 2, thereby enhancing the pressure resistance of the composite pipe, improving the service life of the composite pipe, and having a long service life, High pressure bearing capacity, high tensile strength and other advantages.

By providing a plurality of reinforcing ribs 5 on the inner wall of the wear-resistant layer 1, the structural strength and pressure resistance of the composite pipe can be improved through the reinforcing ribs 5.

By setting the pressure supporting ring 6, the pressure resistance and structural strength of the wear-resistant layer 1 can be improved through the pressure supporting ring 6, and the structural strength of the composite pipe can be further improved.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, it is obvious that the application is not limited to the details of the above-mentioned exemplary embodiments, and does not deviate from the spirit or basic characteristics of the application. In some cases, the present application can be implemented in other specific forms.

Therefore, the embodiments should be regarded as exemplary and not restrictive in all points of view, and the scope of the application is defined by the appended claims rather than the foregoing description, and it is intended that the scope of the present application be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in this application. Any reference sign in a claim should not be construed as limiting the claim concerned. Various modifications and variations of the present invention will occur to those skilled in the art. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (8)

1. A multi-layer steel wire wound modified polyethylene wear-resistant composite pipe is characterized in that: from the inside to the outside, it includes a wear-resistant layer, a pressure-bearing reinforcement layer and a fixed layer, and the pressure-bearing reinforcement layer is fixedly sleeved on the The outer sidewall of the wear-resistant layer, the number of the pressure-bearing reinforced layers is multiple and mutually sleeved, the fixed layer is fixedly sleeved on the outer sidewall of the pressure-resistant reinforced layer; the inner sidewall of the wear-resistant layer is provided with multiple a stiffener. 2. A multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 1, characterized in that: the pressure-bearing reinforcement layer is made of steel wire mesh. 3. A multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 1, characterized in that: an adhesive layer is provided between any two adjacent pressure-bearing reinforcing layers, and two adjacent The two pressure-bearing reinforcement layers are bonded by the adhesive layer. 4. A multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 1, characterized in that: an adhesive layer is provided between the wear-resistant layer and the pressure-bearing reinforcing layer, and the The wear-resistant layer is bonded to the pressure-bearing reinforcement layer through the adhesive layer. 5. A multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 1, characterized in that: an adhesive layer is provided between the fixing layer and the pressure-bearing reinforcing layer, and the fixing layer The layer is bonded to the pressure-bearing reinforcing layer through the adhesive layer. 6. A multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 1, characterized in that: the reinforcement ribs are arranged at uniform intervals along the circumference of the wear-resistant layer, and the extension of the reinforcement ribs The direction is consistent with the extending direction of the wear-resistant layer. 7. A multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 1, characterized in that: a pressure-bearing support ring is provided in the wear-resistant layer, and the pressure-bearing support ring is connected to the The wear layer is coaxial. 8. A multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 7, characterized in that: the number of the pressure-bearing support rings is multiple and evenly spaced along the extending direction of the wear-resistant layer set up.

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