Concrete recycling device for infrastructure construction

The utility model relates to the technical field of building material recycling, in particular to a concrete recycling device for infrastructure construction, which comprises a machine body serving as a carrier of the whole device, a guide hopper is fixedly connected onto the machine body, and a crusher for crushing concrete is mounted on the guide hopper. The machine body is provided with a screening mechanism used for screening concrete raw materials, the machine body is further provided with a discharging mechanism used for adding ingredients, the bottom of the machine body is provided with a plurality of material receiving boxes used for receiving raw materials of different sizes, the machine body is provided with a transmission assembly used for vibrating a frame body, and the frame body is provided with a plurality of sets of filtering holes. And the sizes of the plurality of groups of filter holes are sequentially increased from the discharge hole to the other side. The screening mechanism is arranged,