Soil screening device for soil detection

The soil screening device for soil detection comprises an outer barrel and a screening barrel, the screening barrel is arranged in the outer barrel, a main shaft is fixedly connected to the center of one end of the screening barrel, the main shaft penetrates through the outer barrel and is rotationally connected with the outer barrel, and a crank is fixedly connected to the other end of the main shaft; the surface of the main shaft is fixedly sleeved with a driven belt wheel, a driving motor is fixedly installed at one end of the outer cylinder through a motor frame, and a driving belt wheel is installed at the output end of the driving motor. The soil sample screening device has the beneficial effects that the screening drum and the hitting ball are adopted, when a soil sample is screened, soil to be screened can be put into the screening drum, the main shaft rotates to drive the screening drum to rotate, the soil sample is screened through rotation, meanwhile, when the screening drum rotates, the side plate