Device for preparing rigid fine-grain soil sample

The utility model discloses a device for preparing a rigid fine-grain soil sample. The device comprises a counterforce frame, a supporting mechanism, a carrying plate and a cutting ring, wherein the supporting mechanism is used for supporting a to-be-cut soil sample from bottom to top; the carrying plate is mounted on the top of the supporting mechanism and is used for arranging the to-be-cut soil sample; the cutting ring is arranged above the carrying plate and limits the to-be-cut soil sample from top to bottom; the counterforce frame is composed of a base, a top plate and a plurality of upright rods; the supporting mechanism is located on the base; the cutting ring is mounted on the bottom of the top plate; the bottom of the top plate is provided with a round clamping slot for mounting the cutting ring; the top plate is provided with a sample passing hole through which a cylindrical soil sample formed by cutting of the to-be-cut soil sample passes from bottom to top; the sample passing hole is located above the round clamping slot, and the interior of the sample passing hole is communicated with the interior of the round clamping slot; the base, the top plate and the carrying plate are all arranged horizontally; the supporting mechanism and the cutting ring are both arranged vertically; the inner diameter of the cutting ring and the outer diameter of the cylindrical soil sample are identical. The device provided by the utility model is simple in structure, reasonable in design, low in investment cost, good in use effect, and capable of simply and quickly implementing the process of preparing the rigid fine-grain soil sample.