Socket and spigot type ripple-enhanced double-flat-wall composite pipe and manufacture method thereof

Abstract

The invention discloses a socket and spigot type ripple-enhanced double-flat-wall composite pipe comprising a double-wall corrugated pipe body and a socket integrally arranged at one end of the double-wall corrugated pipe body. A spigot connection section is arranged at the end, away from the socket, of the double-wall corrugated pipe body. The double-wall corrugated pipe body and the socket eachcomprise an inner flat wall layer and a ripple enhancement layer. Wave crests and wave troughs are arranged on the outer wall of each ripple enhancement layer. The socket and spigot type ripple-reinforced double-flat-wall composite pipe is characterized in that an outer flat wall layer is arranged on the peripheries of the double-wall corrugated pipe body and the socket; in addition, the outer flat wall layer extends to the middle portion of the spigot connection section from the socket; and the outer flat wall layer conducts inward wrapping along a cambered surface connecting the wave crestsand the wave troughs at the middle position of the spigot connection section. The invention further discloses a manufacture method of the socket and spigot type ripple-reinforced double-flat-wall composite pipe mentioned above. Compared with the prior art, the socket and spigot type ripple-reinforced double-flat-wall composite pipe has the advantages that the weight is small, the material consumption is less, the strength is high, the production efficiency is high, dragging and rolling are facilitated, and backfilling is compact during laying.

Description

technical field [0001] The invention relates to the technical field of pipe materials, in particular to a socket-type corrugated reinforced double-flat-wall composite pipe and a manufacturing method thereof. Background technique [0002] Structural wall pipe is a kind of structural wall pipe made of polyolefin by molding or hot winding process. The general structure includes double-wall corrugated pipe and winding structural wall pipe. The pipe is a new type of acid-resistant, anti-corrosion, pressure-resistant, non-toxic green environmental protection pipe, which is an environmentally friendly and energy-saving high-tech product. How to make structural wall pipes have good flexibility and overall external pressure resistance, and ensure traffic safety is the primary consideration in pipe design when used on roads with super-heavy loads. In application, the reliability of structural wall pipe engineering under the same conditions will be improved compared with traditional p...

AI Technical Summary

Problems solved by technology

[0006] In view of the deficiencies in the prior art, one of the purposes of the present invention is to provide a socket-type corrugated reinforced double-flat-wall composite pipe, which has the advantages of light weight, less material consumption, high strength and high production efficiency of double-wall corrugated pipes At the same time, it can overcome the disadvantages that the double-wall corrugated pipe is inconvenient to drag and roll, and the backfill is difficult to compact during laying; the second purpose of the present invention is to provide a method for manufacturing the above-mentioned socket-type corrugated reinforced double-flat-wall composite pipe

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