Precise layered sampling soil sampler

A soil sampler, precise technology, applied in the direction of sampling devices, etc., can solve the problems of large errors and inaccurate stratification of soil samples, and achieve the effect of ensuring accurate stratification

Inactive Publication Date: 2018-12-14
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the target depth is reached, stop turning the horizontal handle; with this collection method, the stratification of the collected soil samples is not accurate, and the error is large

Method used

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  • Precise layered sampling soil sampler

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The depth of the soil to be sampled is 0-20cm

[0033] Install the handle 6 in the scale groove 5 at the bottom of the scraper 4. Since the reserved height at the bottom of the scraper 4 is 1.5cm, and the height of the scale groove 5 where the handle 6 is located is 0.5cm, install the handle 6 at the lowest After the scale groove 5 on the side, the soil at a depth of 0-2cm in the collection frame 1 can be scraped, and then the soil sample can be sampled or stored;

[0034] Move the handle 6 up to the second grid scale groove 5, scrape the soil at a depth of 2-4 cm along the direction parallel to the long side of the collection frame 1, and perform sampling or storage of the soil at this depth;

[0035] By analogy, accurate layered sampling of 0-20cm soil is completed by sampling at intervals of 2cm, and then the soil of each layer can be tested and analyzed.

Embodiment 2

[0037] The depth of the soil to be sampled is 10-20cm

[0038] The handle 6 is directly stuck in the 10cm scale groove 5 of the scraper 4 from bottom to top, and other tools can be used to dig out a small amount of soil 3 to be sampled in the collection frame 1, saving a lot of work of the scraper 4 in the early stage, and then use it Scraper 4 for accurate scraping;

[0039] After reaching the 10cm scale line, the sampling method is the same as in Example 1, and one side is accurately layered and sampled every 2cm.

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Abstract

The invention discloses a precise layered sampling soil sampler, comprising a collection frame and a scraper. The collection frame is inserted on the edge of to-be-sampled soil to form a rectangular collection frame. A plurality of scale slots are symmetrically and equidistantly set at two sides of the scraper. The scraper scrapes the to-be-sampled soil, along a direction parallel to long edges ofthe collection frame, at the inner side of the collection frame. According to the precise layered sampling soil sampler provided by the invention, sampling depth can be precisely controlled through the scale slots on the scraper, gradual downward sampling is carried out from the surface of the soil, mutual influence of the soil among different depths is avoided, and precise layering is ensured.

Description

technical field [0001] The invention relates to the technical field of soil sampling and detection, in particular to a soil sampler for accurate stratified sampling. Background technique [0002] In soil science research, it is often necessary to collect samples in stratified soil profiles. There are two traditional methods: [0003] (1) Digging a soil profile, using rulers and tools to collect soil samples at certain distances, but this method is time-consuming, laborious and inefficient, and it will cause great damage to the sample plot. [0004] (2) Use the soil auger, and use the marks on the auger to sample the soil in layers from shallow to deep. The soil drill consists of a drill barrel, a transmission rod and a horizontal handle. When sampling, use a sharp drill to insert into the soil, then turn the horizontal handle, and the drive rod drives the drill cylinder to rotate, and continuously penetrates into the soil to collect soil. Sampling depth is determined by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 赵志平关潇翟俊李俊生肖能文汉瑞英高晓奇吴丹肖桐
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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