Automatic spraying maintenance equipment for cast-in-place box girder

The utility model provides automatic spraying maintenance equipment for a cast-in-place box girder, and relates to the field of building construction maintenance equipment. The cast-in-place box beam spraying maintenance equipment comprises a continuous beam and a walking vehicle arranged at the top of the continuous beam, a water tank is fixedly connected to the top of the walking vehicle, a water pump is fixedly connected to the side, located on the water tank, of the top of the walking vehicle, a water inlet of the water pump is connected with the water tank, and a water outlet of the water pump is fixedly connected with a water conveying pipe. Two spraying assemblies are symmetrically arranged on the two sides of the walking vehicle, each spraying assembly comprises a first supporting rod, a first connecting pipe, a second supporting rod, a third connecting pipe and a plurality of first spraying heads, and the first supporting rods are fixedly connected to the outer side of the walking vehicle. According