Socket and spigot type metal pipeline with pushing and dragging functions

• Main Authors: WANG JIANGLONG, SHI WENBO, ZHANG TAO, ZUO CHAO, LI YABING, GAO CHENGLONG, XU JUN, ZHANG TAOZHEN, SONG JIANAN
• Format: Patent
• Language: Chinese; English
• Published: 13.05.2022
• 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 socket and spigot type metal pipeline with pushing and dragging functions, which comprises a pipe body, a socket and a spigot, a sealing cavity is arranged in the socket, a sealing rubber ring is arranged in the sealing cavity, and the sealing cavity, the sealing rubber ring and the spigot in an assembled state are matched to form a sealing structure; a self-anchoring baffle ring bin and a pushing baffle ring bin are sequentially and additionally arranged on the inner wall of the portion, between the outer side end face of the bell mouth and the sealing cavity, of the bell mouth from outside to inside, and the section formed by cutting the self-anchoring baffle ring bin and the pushing baffle ring bin along the axis of the pipe body is approximately the section formed by cutting a circular truncated cone along the axis of the circular truncated cone. The self-anchoring baffle ring bin and the pushing baffle ring bin are arranged in the direction opposite to each other in the axis dire