Waterproof drainage device for hydraulic engineering construction

The water conservancy project construction waterproof drainage device comprises a drainage pipe, the inner wall of the drainage pipe is provided with a groove, the inner surface of the groove is fixedly connected with a filter plate, one side of the filter plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a connecting shaft, and the output end of the first motor is fixedly connected with a second motor. Three rotating rods are fixedly connected to the outer surface of the connecting shaft, a plurality of brushes are fixedly connected to one sides of the three rotating rods, a circular groove is formed in the bottom of the inner wall of the drainage pipe, a through hole is formed in the top of the drainage pipe, and bearings are fixedly connected to the inner surfaces of the through hole and the circular groove. Compared with the prior art, the filter has the advantages that the first motor, the rotating rod and the brush are arranged, when the filter pl