Open -air prospecting sampling device

The utility model relates to an open -air prospecting sampling device discloses the sampling device that the current rig of cooperation used, can reduce the vibrations that produce in the sample process, at utmost keep the taking a sample integrality of soil. The one end outer wall overhead of its characterized in that cavity thief rod has the precession screw thread, the spacing ring is arranged in on the outer wall of cavity thief rod, a pot head of main part urceolus is placed in on the other end of cavity thief rod, and be located the top of spacing ring, auxiliary draw -bar arranges in the cavity thief rod, transmission bearing inner race arranges in the main part urceolus, transmission bearing inner race lower extreme is connected through the other end of assisting coupling spring and cavity thief rod, cavity driving stem's one end is arranged in the other end of main part urceolus, and be connected through main coupling spring and transmission bearing inner race upper end, the uide bushing has been put