Pipeline repairing and reinforcing device and repairing and reinforcing structure thereof

• Main Authors: ZHAO YUNPENG, LI ZHI, WEN RENWU, OU JINGZE, DAI CHAO, LIU TENG, YANG JING, LUO MAOHUA, WANG HUICHAO, REN YUNHAO, JIAN ZHENGYANG
• Format: Patent
• Language: Chinese; English
• Published: 25.04.2023
• 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 utility model discloses a pipeline repairing and reinforcing device and a repairing and reinforcing structure thereof, the pipeline repairing and reinforcing device comprises a jacking device arranged at one end of a pipeline and a main body structure jacked into the pipeline by the jacking device, the main body structure comprises a pipe expander, a guide rod and a sleeve, the pipe expander is provided with a pipe expanding head, the diameter of the pipe expanding head is gradually increased from front to back, and the pipe expanding head is connected with the guide rod. A cutting knife is arranged on the outer side face of the pipe expanding head, the rear end of the pipe expander is detachably connected with the sleeve, the sleeve is composed of a plurality of sections of metal pipes which are sequentially and detachably connected, the rear end of the last section of metal pipe is detachably connected with an end cover, the end cover is matched with the output end of jacking equipment, and the jacking