Building waste transfer device

The utility model discloses a construction waste transfer device. Belongs to the technical field of construction waste transfer. According to the technical key points, the trolley comprises a trolley bin body, a push rod is arranged at one end of the trolley bin body in the advancing direction, and an opening and closing bin door is arranged at the other end of the trolley bin body; mounting supports are arranged on the two sides of the upper end of the cart bin body in the advancing direction, and each mounting support is provided with a first spraying assembly parallel to the advancing direction. A swing support is hinged between the two mounting supports, and a second spraying assembly used for spraying towards the two sides is arranged on the swing support; in the initial state, the second spraying assembly is located on the outer side of one end of the cart bin. During working, the second spraying assembly is located above the cart bin body. A water supply assembly connected with the first spraying assem