Water seal device of tail water cooler overhaul gate

The invention discloses a water seal device of a tail water cooler overhaul gate. The water seal device comprises a bottom water seal which is laid along a panel bottom edge of the tail water cooler overhaul gate and side water seals which are laid along two side edges of a panel of the tail water cooler overhaul gate; the bottom water seal and the side water seals on the two sides form a U-shapedstructure; the bottom water seal and the side water seals all comprise small L-shaped steel plates and large angle iron which are welded to the gate, the small L-shaped steel plates and the large angle iron form rubber mat grooves, rubber mats are arranged in the rubber mat grooves, water seal adhesive tape is arranged on the tops of the rubber mats, and the water seal adhesive tape is connectedwith the panel through pressing plates and bolts; the bolts penetrate through the pressing plates, the water seal adhesive tape, the rubber mats and the small L-shaped steel plates from top to bottom,and are connected with nut