Soil detection stratified sampler

The utility model relates to the field of soil detection equipment, in particular to a stratified sampler for soil detection. Comprising a barrel with an opening in the right side, a rotating mechanism and a translation mechanism, and a sliding rail and a sliding block are arranged on the top wall in the barrel; the rotating mechanism comprises a screw rod, at least one gear meshed with the screw rod, a sampling barrel and a supporting frame I for supporting the gear, the lower end of the screw rod is fixedly connected to the sliding block through a bearing, and the sampling barrel is connected to the right end of a gear shaft with an opening facing rightwards; the translation mechanism comprises a bevel gear I, a bevel gear II, a rotating rod, a supporting frame II for supporting the bevel gear II and a moving nut, the bevel gear I and the bevel gear II are meshed with each other, the lower end of the rotating rod is connected into the barrel through a bearing, the upper end of the rotating rod penetrates th