Patent ID: 11965805
Assignee: NANJING INSTITUTE OF ENVIRONMENTAL SCIENCES, MEE
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The sampling device for evaluating ecological risk of soil in a high geological background area according to claim 1, wherein a plurality of radial sliding grooves (212) extending along the radial direction and running from top to down are formed in the support disc (211), a stripping plate connecting rod (221) is fixedly arranged on the top of one of the stripping plates (22), the stripping plate connecting rod (221) extends upward through one of the radial sliding grooves (212), and an upper end of the stripping plate connecting rod (221) is connected with the stripping sliding cylinder (21) in the form of a living hinge;
a reset spring (222) is arranged between an inner side wall, away from the stripping sliding cylinder (21), of one of the radial sliding grooves (212) and one side, away from the stripping sliding cylinder (21), of the stripping plate connecting rod (221) in a jacking fit mode, and one side, close to the stripping sliding cylinder (21), of the stripping plate connecting rod (221) is provided with a wedge block (24) in a sliding fit mode;
the outer side of the stripping sliding cylinder (21) is connected with a stripping plate control ring (23) in a screw thread fit mode, a first gear ring (231) is fixedly arranged on the stripping plate control ring (23), the outer side of the stripping sliding cylinder (21) is connected with a first gear (232) in a running fit mode, the first gear (232) is connected with the first gear ring (231) in a meshed mode, and the first gear (232) is motor-driven; and
a lifting driving disc (233) is fixedly at a lower end of the stripping plate control ring (23), a lifting constraint slot (241) is formed in one side, close to the stripping sliding cylinder (21), of the wedge block (24), and an edge of the lifting driving disc (233) is constrained in the lifting constraint slot (241).