High-compression-resistant and wear-resistant three-wall corrugated pipe

• Main Author: WEI JUNYOU
• Format: Patent
• Language: Chinese; English
• Published: 27.04.2021
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The invention provides a high-compression-resistant and wear-resistant three-wall corrugated pipe. A pipe body comprises an inner wall layer, a corrugated layer and an outer wall layer, wherein a corrugated section of the corrugated layer and the inner wall layer form a corrugated cavity, an annular supporting frame is arranged in the corrugated cavity, the top of the supporting frame is supported on the corrugated inner wall, the bottom of the supporting frame is supported on the outer wall of the inner wall layer, an annular connecting groove is formed in the inner wall of the front end of the pipe body; an annular step matched and inserted with the annular connecting groove is formed in the outer wall of the tail end of the pipe body; the outer wall of the annular step is provided with a plurality of sliding blocks evenly distributed along the circumference, and the groove wall of the annular connecting groove is provided with an L-shaped positioning groove for the sliding blocks to slide in and be screwed