Production method of steel plastic concrete composite wound pipe

A technology for winding pipes and production methods, applied in chemical instruments and methods, mixed operation control, mixed operation control devices, etc., can solve the problems of insufficient rigidity, poor bending resistance, and narrow application range, and achieves strong integrity, High bending and impact resistance and wide application range

Inactive Publication Date: 2011-09-07
娄底市朝阳塑胶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the plastic strips of various steel-plastic composite structure wall drainage pipes are hollow. Although they have the advantages of light weight and saving raw materials, they cannot transport liquids and gases with high pressure, and can only be used as drainage pipes. narrow range
In addition, because there is no rigid connection between the coils of the steel strip that has been wound into a spiral, and the rigidity of the steel strip and plastic strip itself is not enough, there are defects of low tensile strength and poor bending resistance. Large tensile force or bending force is easy to crack or break the tube body
In short, there are defects of low strength and inability to withstand internal pressure

Method used

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  • Production method of steel plastic concrete composite wound pipe
  • Production method of steel plastic concrete composite wound pipe
  • Production method of steel plastic concrete composite wound pipe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1 Production method of solid-wall circular steel strip steel-plastic concrete composite winding pipe

[0035] 1. Firstly produce the rolled cross-section such as Figure 4 The three-slot solid-walled plastic plate shown with B1.

[0036] 2. Use spiral winding equipment to wind the three-slot solid-wall plastic strip B1 and bond the side walls B0 of the plastic strip B1 to each other to form the inner wall of the pipe.

[0037] 3. Wind three circular steel strips A1 at the same time and insert them into three arc-shaped slots of plastic strip B1 respectively. When the winding and embedding length of the steel strip A1 reaches the set length of each section of the pipe, the steel strip A1 and the plastic strip B1 are cut into sections together with a cutting machine.

[0038] 4. Fix more than 4 axially parallel steel strips C that are parallel to each other and evenly distributed on the steel strip A1 that has formed a spiral shape. The intersection of the ax...

Embodiment 2

[0042] Example 2 Production Method of Single Hollow Square Steel Strip Steel-Plastic Concrete Composite Winding Pipe

[0043] 1. Firstly produce the rolled cross-section such as Figure 8 Double slot single hollow plastic plate shown with B2.

[0044] 2. Use spiral winding equipment to wind the double-groove single hollow plastic strip B2 and bond the side walls B0 of the plastic strip B2 to each other to form the inner wall of the pipe.

[0045] 3. Wrap two square steel strips A2 at the same time and embed them in the two arc-shaped slots of the plastic strip B2, and cut them into strips when they reach the set length.

[0046] 4. Fix more than 4 axially parallel steel strips C on the steel strip A2 that has formed a spiral shape. The intersection of the axially parallel steel strips C and each steel strip circle is welded by spot welding, and two oblique steel strips are welded together. Both ends of strip D are respectively cross-welded on the outer ends of every two adja...

Embodiment 3

[0051] Example 3 Production Method of Double Hollow Special-shaped Steel Strip Steel-Plastic Concrete Composite Winding Pipe

[0052] 1. Firstly produce the rolled cross-section such as Figure 12 The hollow plastic plate is shown with B3.

[0053] 2. Use spiral winding equipment to wind the double hollow plastic strips B3 and bond the side walls B0 of the plastic strips B3 to each other to form the inner wall of the pipe.

[0054] 3. Wind the special-shaped steel strip A3 and embed it in the slot in the middle of the plastic strip B3, and cut it into knots when it reaches the set length.

[0055] 4. Fix more than 4 axially parallel steel strips C on the steel strip A3 that has formed a spiral shape. The two ends of the steel bar D are respectively cross-welded on the outer ends of every two adjacent axially parallel steel bars C, that is, the oblique steel bars D are used to cross-connect the axially parallel steel bars to form mesh steel bars.

[0056] 5. Cover plastic on...

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Abstract

The invention discloses a production method of a steel plastic concrete composite wound pipe. The method comprises the following steps of: a, producing a coiled plastic board strip with designed shape; b, winding the plastic board strip and mutually sticking the side walls of the plastic board strip or mutually lapping and sticking the edges of the plastic board strip; c, winding a steel strip and embedding the wound steel strip into a plastic board strip clamping groove, and cutting the steel strip into sections after a set length is achieved; d, fixedly connecting a netlike steel bar on the periphery of the formed spiral steel strip; e, coating glue on the plastic board strip, the netlike steel bar and the steel strip; and f, pouring cement mortar into the cavity of the steel strip, the cavity of the plastic board strip or the cavity formed by the steel strip and the plastic board strip together. The pipe produced by the method has strong integral performance and high tensile strength, bending strength and impact strength; the service life of the pipe can reach over 50 years; and the pipe can bear high internal pressure and external pressure, has wide application range, can be used as a water supply pipe, a gas supply pipe, an oil pipe and a jacking pipe, and is widely applied to a water supply and drainage system, a gas supply system and a crude oil delivery system.

Description

technical field [0001] The invention relates to a production method of a composite pipe, in particular to a production method of a steel-plastic concrete composite pipe for conveying pressure liquid and gas. Background technique [0002] At present, the plastic strips of various steel-plastic composite structure wall drainage pipes are hollow. Although they have the advantages of light weight and saving raw materials, they cannot transport liquids and gases with high pressure, and can only be used as drainage pipes. Narrow range. In addition, because there is no rigid connection between the coils of the steel strip that has been wound into a spiral, and the rigidity of the steel strip and plastic strip itself is not enough, there are defects of low tensile strength and poor bending resistance. Large tensile force or bending force is easy to crack or break the tube body. In short, there are defects of low strength and inability to withstand internal pressure. Contents of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B21/08B28C7/04
Inventor 谭江南
Owner 娄底市朝阳塑胶有限公司
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