Patent ID: 11965805
Assignee: ANHUI PROVINCIAL ACADEMY OF ECO-ENVIRONMENTAL SCIENCE RESEARCH
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 16:
17. The sampling device for evaluating ecological risk of soil in a high geological background area according to claim 9, wherein the top of the stable support cylinder (31) is provided with a first limit locking screw (311) in a running fit mode, and the top of the stripping sliding cylinder (21) is provided with a second limit locking screw (215) in a running fit mode;
a plurality of first locking grooves (216) are formed in the outer side of the stripping sliding cylinder (21), and a plurality of second locking grooves (121) are formed in the outer side of the connecting sliding rod (12);
a screw cap of the first limit locking screw (311) can be clamped in the first locking grooves (216), and a screw cap of the second limit locking screw (215) can be clamped in the second locking grooves (121); and
a notch consistent with radian of an outer side wall of the stripping sliding cylinder (21) is formed in the screw cap of the first limit locking screw (311), and a notch consistent with radian of an outer side wall of the connecting sliding rod (12) is formed in the screw cap of the second limit locking screw (215).