Novel extractor for soil sample in cutting ring and use method

The invention discloses a novel extractor for a soil sample in a cutting ring and a using method, the novel extractor comprises a support base, a jack regulator, a supporting rod, a jack, a circular iron block matched with the cutting ring in model and a cutting ring fixing piece, the jack regulator or the jack is arranged on the upper surface of the support base, and the circular iron block matched with the cutting ring in model is inserted and clamped on the jack; the support base, the supporting rod and the cutting ring fixing piece are fixedly installed. A test block outlet and a cutting ring fixing groove are formed in the middle of the cutting ring fixing piece, a cutting ring containing a soil sample block is inserted into the cutting ring fixing groove, and the diameter of a circular iron block matched with the cutting ring is smaller than or equal to the inner diameter of the cutting ring. The device is simple in structure and reliable in performance, most parts can be standard parts, products can be