Structure for improving differential settlement adjusting capacity of large-section jacking pipe composite pipe joint connector

• Main Authors: HUANG YOULU, CHEN HUI, LUAN ZHIGANG, XU FENGPING, ZHANG CHAO, WANG HAORAN, ZHANG ZHONGJIE
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2022
• 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 utility model discloses a structure for improving differential settlement adjusting capacity of a large-section pipe jacking composite pipe joint. The structure is arranged between two steel pipe joints which are connected end to end. Comprising a female opening and a male opening which are located in two steel pipe joints respectively and matched and connected with each other. The end, facing the male opening, of the female opening is provided with a step structure, and the part, with the small boundary dimension, in the step structure is sleeved with the connector steel lantern ring. At least three steel rings and corresponding elastic sealing gaskets are axially arranged between the male opening and the connector steel lantern ring; water swelling rubber is arranged between the end, facing the male opening, of the connector steel lantern ring and the boundary dimension sudden change position of the stepped structure for caulking. And the male opening and the female opening are fastened through a bolt.