In-situ non-destructive soil sample collector

A soil sampler, non-destructive technology, applied in the field of soil sampling devices, can solve the problems of difficult to propose scientific and effective control measures, time-consuming and labor-intensive, low efficacy, etc., and achieve the effect of simple structure, reduced contact area, and convenient operation

Inactive Publication Date: 2008-09-24
SHENYANG AGRI UNIV
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, many agricultural operations during the crop growth period (such as intertillage, deep loosening, irrigation, etc.) have a profound impact on soil bulk density. If these cha

Method used

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[0010] The overall structure diagram of the present invention is as follows figure 1 As shown, the material of all the parts is stainless steel, which includes the barrel drill 1, the drill rod 2, the handle 3, the inner ring 4, the inner ring holder 5 and the inner push rod 6. The barrel drill 1 is a hollow barrel-shaped structure, and its front end is an elastic cutting edge 8 with a bayonet 7. The barrel drill 1 and the drill rod 2 are welded into one body, and the drill rod 2 is a hollow tubular structure; the inner push rod 6 and the inner ring The bracket 5 is welded as a whole. The inner ring bracket 5 and the inner push rod 6 are installed in the sleeves of the drill 1 and the drill rod 2. The inner ring support 5 and the drill 1, the inner push rod 6 and the drill rod 2 are in clearance fit. , In order to move in the axial direction; the inner ring 4 is a thin-walled cylindrical barrel structure, the inner ring 4 is installed in the sleeve of the barrel drill 1, the two ...

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Abstract

The invention relates to an in situ non-destructive soil sampler which includes a cylinder drill 1, a drill rod 2, a handle 3, an inner ring 4, an inner ring support 5 and an inner push rod 6, and is characterized in that the front end of the cylinder drill 1 is provided with an elastic cutting edge with bayonet; the cylinder drill 1 and the drill rod 2 are welded together; the drill rod has a hollow pipe-like structure; the inner push rod 6 and the inner ring support 5 are welded together; the inner push rod and the inner ring support are installed in the sleeves of the drill rod 2 and the cylinder drill 1; the inner ring 4 is installed in the sleeve of the cylinder drill 1; the inner push rod 6 pushes the inner ring support 5 to move axially, so as to push the inner ring 4 fully filled with original soil out of the cylinder drill. The sampler has the advantages of simple structure, convenience in operation, economy and practicality.

Description

technical field [0001] The invention belongs to a soil sampling device. The obtained soil samples can be used to measure soil volume specific gravity, and the soil volume specific gravity can be used to calculate parameters such as soil weight and soil porosity in a certain area and a certain depth. The device can be used to take samples of different depths. Undisturbed soil sample. Background technique [0002] In order to accurately measure the soil bulk density, the more classic local method is to use 100cm 3 The steel ring knife (knife end facing down) is pressed into the soil smoothly. After the soil column emerges from the upper end of the ring knife, dig the surrounding soil with a shovel and take out the ring knife filled with soil. If you want to measure the deeper soil bulk density, It is necessary to excavate the soil profile, and the excavation depth is often 1m or deeper. For cultivated soils, disturbing the soil so intensively to take undisturbed soil samples...

Claims

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Application Information

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IPC IPC(8): G01N1/08
Inventor 张玉龙黄毅任文涛汪景宽虞娜邹洪涛刘翠红
Owner SHENYANG AGRI UNIV
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