Patent ID: 11921015
Assignee: INTERNATIONAL CENTER FOR BAMBOO AND RATTAN
Field: Measurement (Instruments)
Classification: CPC G  E | IPC E  G

Claim 0:
1. A device for sampling soil of tropical lowland rainforest, comprising a driving motor, a probe rod and a sampling barrel, wherein an output shaft of the driving motor is fixedly connected with a top end of the probe rod; a spiral coil is fixedly arranged on an outer wall of the probe rod; the probe rod is hollow, and a soil inlet is formed in a bottom end of the probe rod; the sampling barrel is disposed in the probe rod; an opening of the bottom end of the sampling barrel faces to the soil inlet; the sampling barrel is detachably connected with the probe rod; the bottom end of the sampling barrel is spaced apart from the soil inlet; two baffle plates are arranged in the probe rod; the side wall of the baffle plate is arc-shaped, and the bottom end of the baffle plate is semicircular; the semicircular baffle plates can pass through the space and can be joined to form a cylinder with a closed bottom end; two linear motors are fixedly arranged in the probe rod to respectively drive the two baffle plates to move; the probe rod is further internally provided with a power supply, a programmable logic controller (PLC) and a displacement sensor; the linear motors, the power supply and the displacement sensor are respectively electrically connected with the PLC.