Concrete bleeding and draining device for water transportation engineering

The utility model belongs to the technical field of water transportation engineering and relates to a concrete bleeding and drainage device for water transportation engineering, which comprises a water receiving tank, a drainage pipe and a connecting hose, the top of the water receiving tank is in threaded connection with a tank cover, handles are fixedly mounted on two sides of the top of the tank cover, and a water receiving head is arranged in the center of the top of the tank cover. A plurality of through holes and limiting grooves are formed in the drainage pipe, the outer end of the drainage pipe is wrapped with a nylon gauze element, a plurality of binding bands are arranged on the outer side of the nylon gauze element, hook-and-loop fasteners are arranged on the front faces of the binding bands, the binding bands are matched with the limiting grooves, a rotating seat is arranged at one end of the drainage pipe, a mounting seat is mounted on the rotating seat, and the nylon gauze element is arranged on