High-strength hollow-wall winding shaft pipe

• Main Authors: GAO LITING, YANG HAITONG, LIU SHAOPENG
• Format: Patent
• Language: Chinese; English
• Published: 24.05.2024
• 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 utility model relates to the technical field of shaft pipes, in particular to a high-strength hollow wall winding shaft pipe which comprises a steel pipe framework and an HDPE inner pipe, the HDPE inner pipe is fixedly connected to the inner side of the steel pipe framework, a first steel supporting ring is welded to the outer side of the steel pipe framework, the opposite inner side of a fixing shaft is welded to the outer side of the steel pipe framework, and second steel supporting rings are welded to the opposite outer sides of the fixing shaft. The first steel supporting ring and the second steel supporting ring are fixedly connected with the HDPE outer pipe, a vacuum bin is formed among the first steel supporting ring, the second steel supporting ring and the HDPE outer pipe, and the bottom of the steel pipe framework is fixedly connected with the base through the first fixing groove. The overall strength of the device can be improved through the first steel supporting ring and the second steel supp