High-water-head small-pipe-diameter drainage pipeline plugging device

The utility model discloses a high-water-head small-pipe-diameter drainage pipeline plugging device, and belongs to the technical field of municipal engineering. A high-water-head small-pipe-diameter drainage pipeline plugging device comprises a rubber water stopping disc and a screw rod, and the rubber water stopping disc is connected with the screw rod through a connecting rod component. One end of the connecting rod part is rotationally connected with the rubber water stop disc, and the other end of the connecting rod part is rotationally connected with the screw rod; the connecting rod component is composed of an upper connecting rod and a lower connecting rod. The pipeline plugging device can be used for conveniently and quickly plugging the currently running pipeline; operation is easy and convenient, safety is high, and labor intensity is reduced; manufacturing is easy, portability is achieved, and the use turnover rate is high; the device can be adapted to pipelines with different diameters for operat