Large-pipe-diameter municipal sewage main pipe water-carrying connection structure

The utility model discloses a large-pipe-diameter municipal sewage main pipe water-carrying connection structure, and belongs to the technical field of sewage pipeline connection. The large-pipe-diameter municipal sewage main pipe water-carrying connection structure comprises a connection well, the connection well is built beside a current well, a newly-built sewage pipe is introduced into the connection well, a water stop structure is arranged in the current well, the water stop structure is detachably connected with the current well, and the water stop structure is located at the connection opening position of the connection well and the current well; according to the utility model, connection is carried out by making the connection well beside the current well, the problems of limited on-site construction conditions and no construction space are solved, meanwhile, water flow can be effectively prevented from flowing into the connection well when the well wall of the connection well is broken through the wa