The invention discloses a soil sampling device for soil improvement, which is used for sampling of soil and maintaining the section morphology of the soil. The soil sampling device includes an outer frame, a supporting plate, a sampling device body and a pull wire, wherein the outer frame is in a square-shaped structure, and a handle is fixed to the side wall of the outer frame; the supporting plate is in a isosceles trapezoid structure, the big end of the supporting plate is hinged to the bottom of the outer frame, a positioning unit is arranged between the outer frame and the supporting plate, and the supporting plate and the side wall of the outer frame are arranged in a coplanar mode; the sampling device body is in a square-shaped structure and is arranged on the inner side of the outer frame, a connecting unit is arranged between the outer frame and the sampling device body, and the sampling device body and the outer frame are relatively fixed under the action of the connecting unit; and the first end of the pull wire is fixedly connected with the small end of the supporting plate, and the second end of the pull wire is arranged on the outer side of the outer frame. Accordingto the sampling device, the soil can be sampled, and damage on the soil morphology is avoided.

Soil sampling device for soil improvement

The invention discloses a silt soft soil sampler. The sampler comprises a drill pipe, a rotating handle and a drill bit; a first winding coil and a second winding coil are fixed to the rotating handle, and a first rotating handle and a second rotating handle are arranged on the first winding coil and the second winding coil respectively; plug holes are formed in the first winding coil and the second winding coil, and a first plug and a second plug are inserted into the plug holes of the first winding coil and the second winding coil so as to fix the positions of the first winding coil and thesecond winding coil; a first fixed pulley is fixed to the inner side wall of the drill bit, a second fixed pulley is fixed to the outer side wall of the drill bit, a drill bit baffle is connected to an opening formed in the bottom, a first thin rope connected with the inner side of the drill bit baffle is connected with the first winding disc through the first fixed pulley by penetrating through the drill bit, and a second thin rope connected with the outer side of the drill bit baffle is connected with the second winding coil through the second fixed pulley; the drill bit is internally provided with a scraper capable of sliding automatically. The sampler has the advantages of being high in sampling efficiency, high in sampling accuracy and convenient to use.

Silt soft soil sampler

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Silt soft soil sampler