MPO modified polyolefin vertical rib hole net steel-plastic composite reinforced pipe

Abstract

The utility model discloses an MPO modified polyolefin stud hole net steel-plastic composite reinforced pipe, the MPO modified polyolefin stud hole net steel-plastic composite reinforced pipe is composed of an inner wall body and a strip spirally wound on the inner wall body, and the strip is mainly composed of a steel strip and a PE plastic layer wrapping the steel strip. A plurality of connecting holes are formed in the steel belt; during winding forming, the two side portions, located at the two ends of the connecting hole, of the PE plastic layer are integrally formed, the outer side wall face of the inner wall body is fixedly connected with the wall face, close to one side of the inner wall body, of the PE plastic layer, and gap connecting positions formed between every two adjacent strip section portions are connected through secondary forming. The connection tightness between the steel belt and the PE plastic layer wrapping the steel belt is improved, and relative sliding between the steel belt and the PE plastic layer is avoided; and when the strips are wound and connected, the gap connecting position formed between every two adjacent circles of strip section parts cannot be completely blocked by the steel strip, the connecting strength between the strips is further improved, and therefore the stability and reliability of the MPO modified polyolefin vertical rib hole net steel-plastic composite reinforced pipe are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipes, in particular to an MPO modified polyolefin rib mesh steel-plastic composite reinforced pipe. Background Art

[0002] MPO modified polyolefin ribbed mesh steel-plastic composite reinforced pipe is mainly used in the fields of municipal engineering drainage, sewage engineering, etc. The existing MPO modified polyolefin ribbed mesh steel-plastic composite reinforced pipe is made by adding a layer of steel belt to a cylindrical plastic pipe. However, the surface of the steel belt is relatively smooth, and the steel belt and the cylindrical plastic pipe are not tightly connected to each other, which is prone to relative sliding, poor reliability, and low stability.

[0003] At this point, there is an urgent need to find an MPO modified polyolefin rib mesh steel-plastic composite reinforced pipe with high stability and reliability. Utility Model Content

[0004] In view of the above problems, the utility model provides an MPO modified polyolefin rib mesh steel-plastic composite reinforced pipe with high stability and strong reliability.

[0005] The technical solution of the utility model is: an MPO modified polyolefin vertical rib mesh steel-plastic composite reinforced pipe, the MPO modified polyolefin vertical rib mesh steel-plastic composite reinforced pipe is composed of an inner wall body and a strip material spirally wound on the inner wall body, the strip material is mainly composed of a steel strip and a PE plastic layer coated on the outside of the steel strip, and a plurality of connecting holes are opened on the steel strip; during winding molding, the two side parts of the PE plastic layer respectively located at both ends of the connecting holes are integrally molded together, and the outer wall surface of the inner wall body is fixedly connected to the wall surface of the PE plastic layer close to the inner wall body, and the gap joint formed between two adjacent circles of the strip section parts is connected by secondary molding.

[0006] The working principle of the above technical solution is as follows:

[0007] By designing that a plurality of connection holes are provided on the steel belt, the two side parts of the PE plastic layer respectively located at the two ends of the connection holes are integrally formed together during winding. On the one hand, the tightness of the connection between the steel belt and the PE plastic layer coated on the outside of the steel belt is improved to avoid relative sliding between each other; on the other hand, when the strip is wound and connected, the gap connection formed between two adjacent turns of the strip section will not be completely blocked by the steel belt, further improving the connection strength between the strips, thereby improving the stability and reliability of the MPO modified polyolefin ribbed hole mesh steel-plastic composite reinforced pipe.

[0008] In a further technical solution, the inner wall body is made of an anti-corrosion and wear-resistant outer layer and an inner layer of PE material. By designing that the inner wall body is made of an anti-corrosion and wear-resistant outer layer and an inner layer of PE material, the anti-corrosion and wear-resistant ability of the composite pipe is further improved on the basis of having the advantages of PE material.

[0009] In a further technical solution, the cross-sectional shape of the steel strip is The cross-sectional shape of the steel strip is The design improves the ring stiffness of the entire MPO modified polyolefin rib mesh steel-plastic composite reinforced pipe.

[0010] In a further technical solution, the connection holes are located on the two side walls and the bottom surface of the steel belt. The connection between the steel belt and the PE plastic layer is more tightly connected to each other through the design that the connection holes are located on the two side walls and the bottom surface of the steel belt.

[0011] The beneficial effects of the utility model are:

[0012] 1. The steel belt is provided with a plurality of connection holes, so that during winding, the two side parts of the PE plastic layer located at both ends of the connection holes are integrally formed together. On the one hand, the connection tightness between the steel belt and the PE plastic layer coated on the outside of the steel belt is improved to avoid relative sliding between each other; on the other hand, when the strip is wound and connected, the gap joint formed between two adjacent turns of the strip section will not be completely blocked by the steel belt, further improving the connection strength between the strips, thereby improving the stability and reliability of the MPO modified polyolefin ribbed hole steel-plastic composite reinforced pipe.

[0013] 2. The design that the inner wall body is made of an anti-corrosion and wear-resistant outer layer and an inner layer of PE material further improves the anti-corrosion and wear-resistant ability of the composite pipe on the basis of having the advantages of PE material.

[0014] 3. The cross-sectional shape of the steel strip is The design improves the ring stiffness of the entire MPO modified polyolefin rib mesh steel-plastic composite reinforced pipe.

[0015] 4. The connection holes are located on the two side walls and the bottom surface of the steel belt, so that the connection between the steel belt and the PE plastic layer is more tightly connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of an MPO modified polyolefin vertical rib mesh steel-plastic composite reinforced pipe described in Example 1 of the utility model;

[0017] Figure 2This is a structural schematic diagram of a steel belt in an MPO modified polyolefin vertical rib mesh steel-plastic composite reinforced pipe described in Example 1 of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the strip in the MPO modified polyolefin vertical rib mesh steel-plastic composite reinforced pipe described in Example 1 of the utility model.

[0019] Description of reference numerals:

[0020] 1. Inner wall body; 2. Strip material; 3. Steel strip; 4. PE plastic layer; 5. Connection hole; 6. Gap connection. DETAILED DESCRIPTION

[0021] The embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

[0022] Embodiment 1:

[0023] like Figure 1-3 As shown, an MPO modified polyolefin vertical rib mesh steel-plastic composite reinforced pipe, the MPO modified polyolefin vertical rib mesh steel-plastic composite reinforced pipe consists of an inner wall body 1 and a strip 2 spirally wound on the inner wall body 1, the strip 2 mainly consists of a steel strip 3 and a PE plastic layer 4 coated on the outside of the steel strip 3, and a plurality of connecting holes 5 are opened on the steel strip 3; during winding molding (molten state), the two side parts of the PE plastic layer 4 respectively located at both ends of the connecting hole 5 are integrally molded together (that is, in the molten state, part of the PE plastic of the PE plastic layer 4 is melted into the connecting hole 5 to achieve integral molding), and the outer wall surface of the inner wall body 1 is fixedly connected to the wall surface of the PE plastic layer 4 close to the inner wall body 1, and the gap joint 6 formed between the two adjacent circles of the strip segment is connected by secondary molding (that is, molten connection).

[0024] The working principle of the above technical solution is as follows:

[0025] By designing that a plurality of connection holes 5 are provided on the steel belt 3, the two side portions of the PE plastic layer 4 respectively located at both ends of the connection holes 5 are integrally formed together during winding. On the one hand, the tightness of the connection between the steel belt 3 and the PE plastic layer 4 coated on the outside of the steel belt 3 is improved to avoid relative sliding between each other; on the other hand, when the strip 2 is wound and connected, the gap connection 6 formed between two adjacent turns of the strip section will not be completely blocked by the steel belt 3, further improving the connection strength between the strips 2, thereby improving the stability and reliability of the MPO modified polyolefin ribbed hole mesh steel-plastic composite reinforced pipe.

[0026] In another embodiment, the inner wall body 1 is made of an anti-corrosion and wear-resistant outer layer and an inner layer of PE material. During winding, the anti-corrosion and wear-resistant outer layer is fixedly connected (i.e., melt-connected) to the wall surface of the PE plastic layer 4 close to the anti-corrosion and wear-resistant outer layer. By designing that the inner wall body 1 is made of an anti-corrosion and wear-resistant outer layer and an inner layer of PE material, the anti-corrosion and wear-resistant ability of the composite pipe is further improved on the basis of having the advantages of PE material.

[0027] In another embodiment, the cross-sectional shape of the steel strip 3 is The cross-sectional shape of the steel strip 3 is The design improves the ring stiffness of the entire MPO modified polyolefin rib mesh steel-plastic composite reinforced pipe.

[0028] In another embodiment, the connection holes 5 are located on the two side walls and the bottom surface of the steel belt 3. By designing that the connection holes 5 are located on the two side walls and the bottom surface of the steel belt 3, the connection between the steel belt 3 and the PE plastic layer 4 is more tightly connected.

[0029] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. An MPO modified polyolefin rib mesh steel-plastic composite reinforced pipe, characterized in that: The MPO modified polyolefin vertical rib mesh steel-plastic composite reinforced pipe is composed of an inner wall body and a strip material spirally wound on the inner wall body, wherein the strip material is mainly composed of a steel strip and a PE plastic layer coated on the outside of the steel strip, and a plurality of connection holes are opened on the steel strip; During winding molding, the two side parts of the PE plastic layer located at both ends of the connecting hole are integrally molded together, and the outer wall surface of the inner wall body is fixedly connected to the wall surface of the PE plastic layer close to the inner wall body, and the gap connection formed between the two adjacent rings of the strip segment is connected by secondary molding.

2. The MPO modified polyolefin vertical rib mesh steel-plastic composite reinforced pipe according to claim 1, characterized in that: The inner wall body is made of an anti-corrosion and wear-resistant outer layer and a PE material inner layer.

3. The MPO modified polyolefin vertical rib mesh steel-plastic composite reinforced pipe according to claim 1, characterized in that: The cross-sectional shape of the steel strip is type.

4. The MPO modified polyolefin vertical rib mesh steel-plastic composite reinforced pipe according to claim 3, characterized in that: The connecting holes are located on the two side walls and the bottom surface of the steel belt.

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