Waterproof drainage device of hydraulic engineering construction

The utility model discloses a waterproof drainage device of hydraulic engineering construction, including base, intake antrum, water storage chamber and fixed axle, the cover is equipped with the cartridge filter in the outside of intake antrum, is equipped with the bearing between cartridge filter and the fixed axle, is fixed with the round rack on the inside of the top of wall of cartridge filter, the competent gear of fixed mounting on the output shaft of motor, and wheel and rack meshes the connection, the both sides of intake antrum are provided with water inlet and backwashing port respectively, have first water pump at the inboard intercommunication of water inlet, and the intercommunication has the three -way pipe on the first water pump, communicates communicating pipe and inlet tube on the three -way pipe respectively, backwashing port lets in communicating pipe and in, install the solenoid valve on communicating pipe. The utility model discloses a pivoted cartridge filter increases filter area, imp