Fixed-point cutting and limiting mechanism for soil sampling pipe

The utility model discloses a soil sampling pipe fixed-point cutting limiting mechanism which comprises a carrier plate, a threaded hole is formed in the upper surface of the carrier plate, a threaded pipe is movably connected in the threaded hole, a barrel is fixedly connected to the bottom of the threaded pipe, a plurality of blades are fixedly connected to the bottom of the barrel, a plurality of bottom feet are fixedly connected to the bottom of the carrier plate, and the bottom feet are fixedly connected to the bottom of the carrier plate. Conical blocks are fixedly connected to the bottom ends of the bottom feet, a fixing plate is fixedly connected to the upper surface of the carrier plate, a sliding block is movably connected to the outer side of the fixing plate, and a sliding groove is formed in the upper surface of the sliding block. According to the soil sampling pipe, the threaded pipe can be limited, the effect of quantitatively collecting soil is achieved, the use convenience of the soil samplin