Concrete maintenance device for building construction

The concrete maintenance device for building construction comprises a base, a water tank is arranged on one side of the top end of the base, a liquid injection opening is formed in the center of the top end of the water tank, the bottom end of the liquid injection opening extends into the water tank, a liquid passing frame is arranged at the position, on one side of the water tank, of the bottom end of the base, and nozzles are installed at the bottom end of the liquid passing frame at equal intervals. A front shaft rod is arranged on one side of the bottom end of the base, front rolling wheels are movably connected to the two ends of the front shaft rod, a rear shaft rod is arranged on the other side of the bottom end of the base, rear rolling wheels are rotationally connected to the two ends of the rear shaft rod, and a solar photovoltaic panel is arranged above the water tank. The purpose of liquid level monitoring is achieved, the phenomenon that maintenance operation is stopped due to exhaustion of a wat