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

Claim 18:
19. The sampling device for evaluating ecological risk of soil in a high geological background area according to claim 9, wherein the impact rod (13) is matched with an impact connecting rod (136) and an impact connecting cylinder (137), a lower end of the impact rod (13) is provided with a threaded connecting pipe (135), upper ends of the impact connecting rod (136) and the impact connecting cylinder (137) can be matched and fixedly connected with the threaded connecting pipe (135), a lower end of the impact connecting rod (136) can be matched and fixedly connected with the top of the connecting sliding rod (12), an outer diameter of the impact connecting rod (136) is smaller than an inner diameter of the stripping sliding cylinder (21), the impact connecting cylinder (137) is of a cylindrical structure with a downward opening, a lower end of the impact connecting cylinder (137) can be matched and fixedly connected with the top of the stripping sliding cylinder (21), and an inner diameter of the impact connecting cylinder (137) is larger than an outer diameter of the connecting sliding rod (12).