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Undisturbed soil column mining device

The technology of undisturbed soil column and sampling pipe is applied in the field of drilling, which can solve the problems of inconvenient carrying and use, insufficient excavation depth, etc., and achieve the effect of small soil structure.

Pending Publication Date: 2020-01-10
GUANGDONG INST OF ECO ENVIRONMENT & SOIL SCI
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  • Abstract
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the problems of insufficient digging depth of the existing mining equipment, and the inconvenience of carrying and using it, and provide a kind of undisturbed soil column excavator, which can complete the soil column with a long length and a large diameter. When excavated, there is no vibration or rotation during the sampling process, which has little impact on the soil structure

Method used

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  • Undisturbed soil column mining device
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  • Undisturbed soil column mining device

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Embodiment Construction

[0059] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the embodiments do not limit the present invention in any form.

[0060] In the following embodiments, except for the sampling pipe and the backing plate, other materials are made of steel or alloy materials, so that the extractor has reliable strength. The material of the sampling pipe can be specifically PVC, and the material of the backing plate can be specifically wood.

[0061] Such as figure 1 and figure 2 As shown, an undisturbed soil column excavator includes: a lifting assembly 3, a support frame 1 for accommodating and limiting the sampling pipe 4; the top of the support frame 1 is provided with a top plate 6, and the top plate 6 is provided with at least three The support rod 7 and the lifting assembly 3 drive the sampling tube 4 to move outward from the bottom of the support frame 1 . During operation, the three poles 7 are ins...

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Abstract

The invention provides an undisturbed soil column mining device, which comprises a lifting component and a supporting frame used for accommodating and limiting a sampling pipe, wherein a top plate isarranged at the top of the supporting frame; at least three supporting rods are arranged on the top plate; and the lifting component drives the sampling pipe to move outwards from the bottom of the supporting frame. According to the undisturbed soil column mining device, a soil column can be completely mined, a sampling process has no vibration or rotation, the influence on the soil structure is small, and the time and labor are saved.

Description

technical field [0001] The invention relates to the technical field of drilling, in particular to an undisturbed soil column or root excavator. Background technique [0002] Traditionally, when researchers study the undisturbed soil profile structure, they choose to dig a relatively large and deep soil profile pit in the field, and directly observe a section of the exposed vertical section of the undisturbed soil. However, due to the large amount of engineering, a large area of ​​soil was also destroyed, and this kind of soil profile structure could not be permanently preserved or moved indoors for in-depth research on soil profile structure. [0003] At present, soil auger devices are generally used for sampling and analysis of undisturbed soil. However, the traditional auger and the improved auger improved by Luoyang shovel can only take out a small piece of soil at different depths. However, it is not possible to continuously take the entire soil section layer from the g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 张思毅孔繁灵贺斌袁再建黄斌谢真越李定强
Owner GUANGDONG INST OF ECO ENVIRONMENT & SOIL SCI
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