Soil sampling device for geological exploration

The utility model relates to the technical field of geological exploration, and particularly discloses a soil sampling device for geological exploration, which comprises a bottom plate and an L-shaped plate, a first motor is arranged on the surface of the bottom plate, the output end of the first motor is fixedly connected with a screw rod, the upper end of the screw rod is rotatably connected with the L-shaped plate, the outer wall of the screw rod is in threaded connection with a support plate, and the support plate is fixedly connected with the L-shaped plate. A second motor is installed on the surface of the supporting plate, the output end of the second motor is fixedly connected with a drill rod, the drill rod penetrates through the supporting plate and is rotationally connected with the supporting plate, and a plurality of L-shaped blocks are arranged on the outer wall of the drill rod. Soil samples can be subpackaged by directly collecting soil adhered to the surface of an L-shaped block, time is save