Tunnel spraying maintenance car

The utility model discloses a tunnel spraying maintenance car, including removing the driving license body, the last fixed surface who removes the driving license body is connected with the water tank, the water inlet has been seted up at the top of water tank, fixed the inlaying in side of water tank has the drain pipe, the outer fixed surface of drain pipe inlays and has booster water pump, booster water pump is at the upper surface that removes the driving license body, the outer fixed surface of drain pipe inlays and has control flap, control flap is in booster water pump's side, the lastfixed surface who removes the driving license body is connected with the backup pad, the quantity of backup pad is two, and fixedly connected with diaphragm between two backup pads, the last fixed surface of diaphragm is connected with the fixed plate, fixed the inlaying in inside of fixed plate has the motor. The utility model discloses a set up and move the driving license body, water tank, action wheel, follow driving