Spiral static pressure undisturbed soil fetcher
An undisturbed soil and spiral technology, applied in the direction of sampling device, etc., can solve the problems affecting the quality of the soil, failure to meet the demand, disturbance of soil samples, etc., and achieve reliable performance, simple and labor-saving process of soil extraction, and less damage.
Active Publication Date: 2021-06-11
XIANNING AGRI ACADEMY OF SCI
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Problems solved by technology
[0002] Disadvantages of the prior art: Most of the soil fetchers used in the current agriculture, geological prospecting and engineering are ring knives, and it is more convenient and reliable to use the ring knives to take the surface soil. Due to the uneven cutting of the ring knife, it will inevitably cause disturbance of the soil sample and affect the quality of the soil taken. In order to overcome the above-mentioned shortcomings of the ring knife soil sampling, this invention (double-acting spiral static pressure undisturbed soil sampler) can effectively solve the sampling depth. And the disadvantages of soil sample disturbance during the sampling process, and the sampling process is completed by two people, without knocking, etc., easy to operate and labor-saving
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[0016] The present invention will be further described below in conjunction with accompanying drawing:
[0017] Such as figure 1 , Spiral static pressure undisturbed soil fetcher mainly is made of spiral soil cutting cylinder 1, sampling cylinder 2 and fixed connection bearing 3.
[0018] The spiral soil cutting cylinder 1 is made up of a rotary handle 101, a spiral cutting soil ring cutter 102, a vertical ring cutter 103 and a soil cylinder body 104. The rotary handle 101 is divided into four pieces, which are fixed on the top of the soil cylinder body 104; the spiral cutting soil ring knife 102 is spirally distributed on the outer wall of the soil cylinder body 104; the vertical ring knife 103 is arranged on the bottom of the soil cylinder body 104.
[0019] The rotating handle 101 is mainly used for the operator to hold and rotate to generate force; the main function of the spiral soil cutting ring knife 102 is to convert the horizontal rotation torque of the operator into...
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The invention discloses a spiral static pressure undisturbed soil fetcher, which is composed of a spiral soil cutter cylinder, a sampling cylinder and fixedly connected bearings; the spiral soil cutter cylinder comprises a rotating handle, a spiral soil cutter ring knife, a vertical ring knife and a soil cylinder body The rotating handle is fixed on the top of the soil cylinder body, and the spiral cutting soil ring knife is distributed on the outer wall of the soil cylinder body in a spiral shape; the vertical ring knife is set at the bottom of the soil cylinder body; the fixed connection bearing is composed of a ball bearing and a control bracket; the ball bearing The outer ring is connected with the inner wall of the spiral cutting pipe, and the inner ring of the ball bearing is connected with the outer wall of the sampling cylinder, so that the two parts can rotate relative to each other, and the groove can be snapped into the control bracket. Compared with the existing soil extractors and ring cutters, this type of soil extractor has a simpler structure, reliable performance, and simple operation. It can ensure that the soil samples obtained are not disturbed or less disturbed. The damage to the body environment is small, and at the same time, deeper soil samples can be obtained.
Description
technical field [0001] The invention relates to a sampling device, in particular to an undisturbed soil sampling device. Background technique [0002] Disadvantages of the prior art: Most of the soil fetchers used in the current agriculture, geological prospecting and engineering are ring knives, and it is more convenient and reliable to use the ring knives to take the surface soil. Due to the uneven cutting of the ring knife, it will inevitably cause disturbance of the soil sample and affect the quality of the soil taken. In order to overcome the above-mentioned shortcomings of the ring knife soil sampling, this invention (double-acting spiral static pressure undisturbed soil sampler) can effectively solve the sampling depth. And the disadvantages of soil sample disturbance during the sampling process, and the sampling process is completed by two people, without knocking, etc., easy to operate and labor-saving. Contents of the invention [0003] The invention provides a ...
Claims
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IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 汤涤洛汪玮涂修亮汪红武郝向阳熊伟
Owner XIANNING AGRI ACADEMY OF SCI