Garbage treatment device for constructional engineering

The utility model relates to the technical field of constructional engineering, and discloses a garbage treatment device for constructional engineering, which comprises a garbage crushing box, the right side of the garbage crushing box is provided with a garbage guide cover, the inner side wall of the garbage guide cover is fixedly connected with two support plates, and one side surfaces, close to each other, of the two support plates are jointly provided with a transmission roller; a driving motor is fixedly mounted on the outer surface of the garbage flow guide cover, the output end of the driving motor is fixedly connected with the front end of a transmission roller, the outer surface of the transmission roller is in transmission connection with a net chain conveying belt, a sealing bearing is fixedly embedded in the inner side wall of the garbage crushing box, and a crushing roller is fixedly connected to the inner ring of the sealing bearing; and the back surface of the garbage crushing box is fixedly co