Soil sampling device for geological exploration and use method

The invention belongs to the technical field of sampling, and particularly relates to a soil sampling device for geological exploration and a using method.The soil sampling device comprises a frame, a sampling assembly and an adjusting assembly, the adjusting assembly comprises a threaded rod, a handle, a fixed rod and sliding rods installed on the two sides of the center line of the fixed rod, and sliding grooves are formed in the two side walls of the frame; the sliding rod is in sliding fit with the sliding groove, one end of the threaded rod is rotationally installed on the fixing rod, the other end of the threaded rod penetrates through the frame and is in threaded fit with the frame, the handle is fixedly installed at one end of the threaded rod and located above the fixing rod, the sampling assembly is installed in the frame, and the fixing assembly is further installed at the bottom of the frame. Through mutual cooperation of the handle and the threaded rod, the purpose of adjustment can be achieved,