Filling site foundation soil sampling device

The invention belongs to the technical field of sampling, and particularly relates to a filling site foundation soil sampling device which comprises a supporting frame, a middle plate is fixedly connected to the side edge of the supporting frame, a sampling barrel is fixedly connected to the top of the supporting frame, an outer barrel sleeves the top of the sampling barrel, an inner barrel is inserted in the middle of the top of the outer barrel, and a windproof assembly is arranged on the lower portion of the inner wall of the inner barrel. The windproof assembly is used for changing the direction of wind power, a pressing plate is rotationally connected to the top of the inner barrel, a distance adjusting assembly is arranged on the outer surface of the outer barrel, and a screw is fixedly connected to the axis of the pressing plate. According to the filling site foundation soil sampling device, scattered sampling substances are collected through a bearing cylinder, a throwing plate rotates to change the b