Blanking rammer compactor for constructional engineering

The utility model relates to the technical field of constructional engineering, and discloses a blanking rammer compactor for constructional engineering, which comprises a protection box, the lower surface of the protection box is fixedly connected with a working box, the bottom of the inner wall of the protection box is fixedly connected with a conveyor belt, the lower surface of the protection box is provided with a deep hole, and the upper surface of the working box is provided with a deep hole. A limiting plate is fixedly connected to the bottom of the inner wall of the protection box, the protection box is fixedly connected with the working box through a conveying pipe, a buffer plate is fixedly connected to the right side of the inner wall of the conveying pipe, and an elastic piece is fixedly connected to the lower surface of the buffer plate. When a pit needs to be filled, a filling material only needs to be poured into a deep hole, then a conveying belt is started to convey the material into a convey