Fecha de publicación: 31/12/2021 Fuente: Wipo Tobacco Agriculture The utility model discloses an under-film hilling device for tobacco planting, which comprises a sliding rod and a sliding sleeve, the sliding sleeve is in sliding fit with the sliding rod, the left side and the right side of the lower end of the sliding sleeve are provided with supporting rods, the other end of each supporting rod is provided with a limiting block, the supporting rods are sleeved with sliding rings, and the sliding rings are in sliding fit with the supporting rods. The sliding ring is provided with an adjusting knob used in cooperation with the supporting rod, the lower end of the sliding ring is provided with a protection piece, the front end of the sliding ring is connected with a handle, the left side and the right side of the upper end of the sliding rod are hinged to a left swing rod and a right swing rod respectively, the left swing rod and the right swing rod are symmetrically arranged at the hinge point, and the upper end of the left swing rod and the upper end of the right swing rod are each provided with a holding rod. The lower ends of the left swing rod and the right swing rod are both provided with a raking plate, and the lower end of the raking plate is provided with a plurality of raking nails. Tobacco plants of different sizes are covered by adjusting the distance between the protection pieces through the handle, soil around the tobacco plants is pulled towards the protection pieces through the pulling plates and the pulling nails, small hilling is carried out, operation is easy, the application range is wide, and tobacco leaves can be well protected.