Prefabricated concrete member rough surface assembly line type flushing device and flushing control method

The invention discloses a prefabricated concrete member rough surface assembly line type flushing device and a flushing control method.The device comprises two oppositely-arranged water retaining frames of the same structure, and a channel allowing a prefabricated concrete member to pass through is formed in the space between the two water retaining frames; a plurality of spray heads and water supply pipes are installed on the two side edges of the face, facing the channel, of each water retaining frame, a plurality of supporting bases are installed at the position, between the two water retaining frames, of the bottom of the channel, gravity sensors are installed on the supporting bases, and infrared sensors are installed on the water retaining frames; according to the method, the prefabricated concrete member passes through the channel between the two water retaining frames in a translation mode, and the upper surface, the lower surface and the two side faces of the prefabricated concrete member are flushed