Seepage-proofing and water-stopping structure used in water conservancy project

The utility model discloses an anti-seepage and water-stop structure used in a water conservancy project, and belongs to the technical field of anti-seepage and water-stop structures, the anti-seepage and water-stop structure comprises a first pipeline and a second pipeline, the outer wall of the first pipeline is fixedly connected with a first fixing ring, the outer wall of the second pipeline is fixedly connected with a second fixing ring, and the first fixing ring and the second fixing ring are each provided with a plurality of mounting grooves; the first fixing ring and the second fixing ring are located in the multiple mounting grooves and are in sliding connection with connecting blocks, a spring is fixedly connected between every two corresponding connecting blocks, grooves connected with the multiple mounting grooves are formed in the first fixing ring and the second fixing ring, and clamping blocks matched with the grooves in a clamped mode are fixedly connected to the side walls of the multiple conn