Non-excavation repairing device and construction method thereof

The invention discloses a trenchless repairing device and a construction method thereof, and the trenchless repairing device comprises a concrete canvas membrane bag arranged in a to-be-repaired main body; an air bag is embedded in the concrete canvas membrane bag and used for being connected with an air inflation device, and the concrete canvas membrane bag can be attached to the inner wall of a to-be-repaired body when the air bag is full of air. The outer portion of the air bag is further connected with a plurality of drainage pipes, each drainage pipe is provided with a plurality of through holes, and all the through holes make contact with the concrete canvas film bag. The invention aims to provide a non-excavation repairing device which is high in cost performance and universal. 本发明公开了一种非开挖修复装置及其施工方法，其中，所述非开挖修复装置包括设置在待修复主体内的混凝土帆布膜袋；所述混凝土帆布膜袋内嵌设有气囊，气囊用于与充气装置连接，在气囊充满气状态下可使混凝土帆布膜袋与待修复主体内壁贴合；所述气囊外部还连接有多根排水管，各根排水管均设置有多个贯通孔，各贯通孔均与混凝土帆布膜袋相接触。本发明旨在提供高性价比且可通用的非开挖修复装置。