Soil screening device

The utility model provides a soil screening device which comprises a rack, a stone crusher and a drum screen, and the drum screen is arranged to be obliquely and rotationally installed on the rack; an inlet of the stone crusher is configured to receive coarse materials output by the lower end of the drum screen, the higher end of the drum screen is configured to receive raw materials output by a feeding hopper, an inclined collecting hopper is arranged below the drum screen, and the collecting hopper is configured to receive fine materials falling after screening of the drum screen. The inclined drum screen is adopted as a soil screening part, continuous screening operation of materials can be achieved, coarse materials can be automatically discharged from the tail end, meanwhile, the discharged coarse materials are crushed through the stone crusher, in this way, the burden of the stone crusher can be greatly reduced, and energy consumption of the whole machine is reduced. 本发明提供了一种筛土装置，包括机架、碎石机和滚筒筛，所述滚筒筛被配置成倾