Soil sampler

A technology of soil fetcher and soil fetching pipe, which is applied in the direction of instruments, scientific instruments, sampling devices, etc., and can solve problems such as mechanical disturbance and low quality data of soil moisture content

Pending Publication Date: 2022-03-18
CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
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Problems solved by technology

[0004] However, since the probe is fixed on the inner upper end of the thin-walled device in this soil extractor, it is necessary to take the soil sample first, and then measure the water content of the soil sample, and the thin-walled device will affect the soil when taking the soil sample. Generates mechanical disturbances and, therefore, low-quality soil moisture data obtained by the probe

Method used

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Embodiment Construction

[0026] In order to make the purposes, technical solutions and advantages of the embodiments of the present application more clear, the specific technical solutions of the present application will be described in further detail below with reference to the accompanying drawings in the embodiments of the present application. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0027] In the embodiments of the present application, the terms "first" and "second" are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the embodiments of the present application, unless otherwise specified, "plurality" means two or more.

[0028] In addition, in the embod...

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Abstract

The embodiment of the invention discloses a soil sampler, relates to the technical field of geotechnical engineering investigation equipment, and solves the problem of low water content measurement quality of the soil sampler. The soil sampler comprises a base, a soil sampling tube and a detection assembly, wherein the base is used for being connected with a drill rod; the soil sampling pipe is fixedly connected with the base; the detection assembly is located in the soil sampling tube, is slidably connected with the soil sampling tube through a sliding mechanism and comprises a water content detection part and a supporting rod, the first end of the supporting rod slidably extends out of the base, and the second end of the supporting rod is fixedly connected with the water content detection part and is close to the end, away from the base, of the soil sampling tube. The soil sampler is used for sampling a soil sample and measuring the water content of a soil body.

Description

technical field [0001] The embodiments of the present application relate to the technical field of geotechnical engineering investigation equipment, and in particular, to an earth-moving device. Background technique [0002] In the process of geotechnical engineering investigation, according to the engineering requirements, it is necessary to take soil samples for indoor tests to determine the physical and mechanical parameters of the soil in each soil layer, among which the soil moisture content index has an important impact on the physical and mechanical properties of the soil. However, during the collection, transportation and storage of soil samples, due to the mechanical disturbance caused by sealing and handling, the measured value of water content will be affected, which cannot reflect the real situation of water content in the undisturbed soil. [0003] In the soil fetcher of the related art, a ring-type water content test sensor is fixed on the upper end of the thin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08G01N33/24
CPCG01N1/08G01N33/246
Inventor 程昊孙红林熊大生陈尚勇张占荣廖进星郭建湖褚团结刘府生张燕谢凡于廷新吕小宁张凯翔
Owner CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
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