White powder line spraying machine for building construction surveying and mapping

The invention discloses a white powder line spraying machine for building construction surveying and mapping. The machine comprises a moving mechanism, a spraying mechanism and a pushing mechanism; the spraying mechanism is movably installed at the top end of the moving mechanism; the pushing mechanism is fixedly installed at the outer end of the right side of the spraying mechanism; the moving mechanism is composed of a belt, belt wheel shaft frames, rotating wheels, a first driving motor, a first rotating shaft, a first gear, a second gear and a second rotating shaft; the belt wheel shaft frames are fixedly installed at two ends of the moving mechanism; the rotating wheels are rotationally connected with the belt wheel shaft frames; and the rotating wheels are rotationally connected withthe belt. According to the white powder line spraying machine for building construction surveying and mapping, the first driving motor is started, white powder is loaded into a feeding port which isformed in the top end of t