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Wetland soil sampling device

A sampling device and soil technology, applied in the direction of sampling device, etc., can solve the problems of difficulty in maintaining the original distribution of substances in the soil layer, and soil flow and other problems.

Inactive Publication Date: 2012-10-24
SUZHOU GUOHUAN ENVIRONMENT DETECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the saturated water content of wetland soil, its fluidity is stronger than that of ordinary soil. During the sampling and sampling process of ordinary cylindrical samplers, the extrusion friction between the sampler and the soil is likely to make the soil flow mixed. Sampling After completion, it is difficult to maintain the original nature of the material distribution in the soil layer

Method used

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Embodiment Construction

[0016] In order to clarify the technical scheme and technical purpose of the present invention, the present invention will be further introduced below in conjunction with the accompanying drawings and specific implementation methods.

[0017] As shown in the figure, a wetland soil sampling device is provided with a core tube 1, a stainless steel casing sleeved on the outside of the core tube 1 and a cap. The core tube 1 is composed of two symmetrical semicircular half tubes. One side of the two half-pipes is connected by the rotating shaft 2, and the other side is a free end. The contact surfaces of the free ends of the two half-pipes are engaged by a concave-convex structure, such as figure 2 Shown to enhance the tightness of the core tube.

[0018] The outer wall of the casing is provided with a spiral blade 3, the bottom of the casing wall is hook-shaped, the bottom of the core tube 1 is stuck in the hook groove at the bottom of the casing, and the wall of the core tube 1 ...

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Abstract

The invention discloses a wetland soil sampling device, which is characterized by being provided with a core pipe and a sleeve pipe sleeved outside the core pipe. The core pipe is composed by piecing two symmetrical semicircular half-pipes together. One side of each half-pipe is connected through a rotating shaft, and the other side of each half-pipe is a free end. The sleeve pipe is equipped with a positioning component for fixing the inner pipe. After collecting a soil sample, the soil sample is concentrated in the pipe cavity of the core pipe. During sampling, the core pipe is separated from the sleeve pipe. And after opening one of the half-pipes, the soil layer structure of an original sample can be observed, thus reducing the layer structure variation resulted from frictional flow of soil during sample collecting and sampling processes.

Description

technical field [0001] The invention belongs to wetland sampling equipment, in particular to a wetland soil sampler. Background technique [0002] Due to the saturated water content of wetland soil, its fluidity is stronger than that of ordinary soil. During the sampling and sampling process of ordinary cylindrical samplers, the extrusion friction between the sampler and the soil is likely to make the soil flow mixed. Sampling After completion, it is difficult to maintain the originality of the material distribution in the soil layer. Contents of the invention [0003] The technical purpose of the present invention is to solve the problems existing in the prior art, and to provide a wetland soil sampling device with a simple structure and good effect of maintaining the original property of the soil layer. [0004] Technical scheme of the present invention is: [0005] A wetland soil sampling device is characterized in that it is provided with a core tube and a casing sle...

Claims

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Application Information

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IPC IPC(8): G01N1/08
Inventor 李慧武涛熊维维
Owner SUZHOU GUOHUAN ENVIRONMENT DETECTION
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