Wall body ash scraping device for wall body construction

The utility model relates to the technical field of wall construction, and discloses a wall ash scraping device for wall construction, which comprises a bottom plate, moving wheels are mounted at four corners of the lower surface of the bottom plate, a vertical frame is mounted in the middle of the upper surface of the bottom plate, and a limiting plate is slidably arranged in the vertical frame. A transmission plate is installed in the middle of the upper surface of the limiting plate, positioning bolts are arranged on the left side and the right side of the front face of the vertical frame in a penetrating mode, and the ends, penetrating into the vertical frame, of the positioning bolts are arranged on the transmission plate in a threaded penetrating mode. According to the wall body ash scraping device for wall body construction, a driving motor drives a transmission shaft to rotate, the transmission shaft drives a transmission gear to rotate, so that the transmission gear climbs along a rack, the transmiss