Dust falling device based on concrete preparation

The utility model discloses a dust falling device prepared based on concrete. The dust falling device comprises a dust falling shell, trundles, a communicating pipe, an air suction pump, a suction head, an air suction pipe, a ventilation pipe, a spraying pipe, a cleaning mechanism and a dust falling mechanism. The surface of the bottom side of the dust falling shell is fixedly connected with trundles, the top side of the dust falling shell fixedly communicates with a communicating pipe, the surface of the left side of the dust falling shell is fixedly connected with an air suction pump, the input end of the air suction pump fixedly communicates with an air suction pipe, one end of the air suction pipe fixedly communicates with a suction head, and the output end of the air suction pump fixedly communicates with a hard ventilation pipe. The tail end of the hard breather pipe is fixedly communicated with a spraying pipe; the cleaning mechanism comprises a filter screen, an electric push rod and a cleaning brush,