Soil sampling device for soil detection

The utility model discloses a soil sampling device for soil detection, comprising: an outer sleeve, the bottom of which is fixedly connected with a sampling shell through a connecting ring, and the bottom end of the sampling shell is provided with a soil inlet; the inner lifting rod is arranged in the outer sleeve in a penetrating and sliding mode, one end of the inner lifting rod is a lifting end, the other end of the inner lifting rod is a driving end, the lifting end extends out of one end of the outer sleeve, and the driving end extends out of the other end of the outer sleeve and extends into the sampling shell through a circular opening in the top end of the sampling shell; the inner shell is fixed in the sampling shell, the driving end extends into the inner shell through the top end of the inner shell, two sampling claws are symmetrically and rotationally connected to the positions, located on the two sides of the driving end, in the inner shell, and the two sampling claws penetrate out of strip-shape