Drainage device for hydraulic engineering construction

The utility model discloses a drainage device for hydraulic engineering construction belongs to hydraulic engineering technical field, including the immersible pump and absorb water tub and the drainpipe with immersible pump water inlet and delivery port are connected respectively, it is provided with cylindrical suction head to absorb water a tub middle part, the equipartition has absorption water hole on the suction head, absorbing water, socle portion seals and detachable is connected with the bottom plate that the diameter is greater than the suction head diameter, bottom plate bottom central symmetry is provided with at least three sleeve pipe, the sleeve pipe endotheca has the slide -bar, sleeve pipe outer wall threaded connection wears to be equipped with fastening screw, the fastening screw tip supports on the slide -bar, the slide -bar bottom is connected with the supporting seat, supporting seat bottom equipartition has the thorn axle of sharp -pointed form. The utility model discloses simple struct