Telescopic expansion joint of chimney

• Main Authors: YU WEIXUE, CHEN XIAOJUN
• Format: Patent
• Language: Chinese; English
• Published: 26.05.2023
• 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 discloses a telescopic expansion joint for a chimney. The telescopic expansion joint comprises an inlet pipe, section pipes and an outlet pipe, the inlet pipe comprises an inlet connecting pipe in the shape of an annular cylinder and an annular fixing plate formed at the right end of the inlet connecting pipe. The section pipe comprises an annular cylinder-shaped section pipe main body; an annular sliding plate is formed at the left end of the section pipe main body, and the right end of the section pipe main body is connected with the outlet pipe; the fixing plate is connected with a left limiting assembly; the left limiting assembly comprises an annular limiting plate; a circular-ring-cylinder-shaped limiting pipe is formed at the left side end of the limiting plate. The sliding plate is arranged between the fixed plate and the limiting plate in a sliding manner; the outer diameter of the sliding plate is smaller than the inner diameter of the limiting pipe. And a first axial compensation asse