Soil sampler and soil sampling method
A soil fetcher and linear drive technology, applied in the field of soil research, can solve problems such as the difficulty of accurately controlling the depth of the ring knife entering and exiting the soil, and difficulty in pulling out, so as to achieve the effects of reducing resistance, increasing success rate, and improving accuracy
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Embodiment 1
[0039] combined with figure 1 , this embodiment provides an earth taker, including a ring cutter 1 and a sleeve rod 2, the ring cutter 1 is fixedly connected to the lower end of the sleeve rod 2, and the ring cutter 1 and / or sleeve rod 2 are provided with a scale It also includes a booster assembly, which includes an upper clamping plate 3, a lower clamping plate 4 and a linear drive mechanism, the upper clamping plate 3 and the lower clamping plate 4 are detachably connected to the sleeve rod 2, and the lower clamping plate 4 is detachably connected to the sleeve rod 2. The clamping plate 4 is detachably connected to the ring knife 1, the linear drive mechanism is located between the upper clamping plate 3 and the lower clamping plate 4, and the upper clamping plate 3 and the lower clamping plate 4 pass through The linear drive mechanism drives relatively far away or close.
[0040]For the scale on the ring knife 1 and / or cover rod 2, determine according to the specific requ...
Embodiment 2
[0051] The present embodiment provides a kind of method for fetching soil, based on the soil fetching device described in embodiment 1, comprises the following steps:
[0052] S1. Connect the upper end of the sleeve rod 2 to the side of the upper clamping plate 3 of the booster assembly;
[0053] S2, set the metal wire 13 in the ring groove 12 of the inner wall of the ring knife 1, and place the pull ring 15 on the upper end of the pull rope 14 on the upper end of the lower clamping plate 4;
[0054] S3, vertically place the soil fetcher assembled in step S2 at the soil fetching point;
[0055] S4. Collide with the upper clamping plate 3, and drive the screw 6 to rotate through the motor to drive the ring knife 1 to move vertically downward until the lower clamping plate 4 touches the surface of the soil layer, thereby restricting the ring knife 1 from entering and exiting the soil through the lower clamping plate 4 depth;
[0056] S5. Keep the position of the ring knife 1 u...
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