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Deep-sea sediment in situ intubation device

A deep-sea sediment, in-situ technology, applied in the direction of sampling devices, etc., can solve problems such as troublesome, easy loosening of collected materials, and inaccurate data

Active Publication Date: 2021-05-11
QINGDAO INST OF MARINE GEOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

During the ascending process of the box sampler, due to the impact and intrusion of the water flow, the collected materials are easy to loosen and mix, which destroys the distribution of the soil layer.

Method used

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  • Deep-sea sediment in situ intubation device
  • Deep-sea sediment in situ intubation device

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Embodiment Construction

[0026] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0027] In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways than those described here, and those skilled in the art can make similar extensions without departing from the connotation of the present invention. Accordingly, the present invention is not limited to the specific embodiments disclosed below.

[0028] The deep-sea sediment in-situ intubation device of the present invention comprises a sampling box 1, a left grab 2, a right grab 3, a spring support 9, a compression spring 10, a sampling tube support 11 and a sampling tube 16, and a spring support Seat 9, compression spring 10, sam...

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Abstract

The invention relates to deep-sea sediment in-situ sampling, in particular to a deep-sea sediment in-situ intubation device. It includes a sampling box, a left grab, a right grab, a spring support, a compression spring, a sampling tube support and a sampling tube. The spring support, a compression spring, a sampling tube support and a sampling tube are arranged in the middle of the sampling box. The left and right grabs are arranged symmetrically on the outside of the lower part of the sampling box. The middle parts of the left and right grabs are hinged with the sampling box. The bottom of the sampling box is open, and the left and right grabs move up and down. At the same time, the opening and closing of the lower part of the sampling box is realized, and the up and down movement of the left grab and the right grab is realized by the link mechanism. Based on the grab box sampler, an in-situ intubation device for deep-sea sediments is proposed. When the grab is closed to complete sampling, the sampling tube is inserted into the sediment by a force storage spring to ensure in-situ sampling. Tube analysis, the data is accurate.

Description

technical field [0001] The invention relates to deep-sea sediment in-situ sampling, in particular to a deep-sea sediment in-situ intubation device. Background technique [0002] Seabed sediments, especially deep-sea sediments, are very important for the evaluation of foundation soil strength and stability in geotechnical engineering, the division of sedimentary ages in geological engineering, the study of benthic organisms in bioengineering and the analysis of pollutants in environmental engineering . At present, the effective way to collect deep sediments on the seabed surface is mainly the grab box sampler, which mainly relies on the gravity of the sampler itself and the auxiliary counterweight to plunge the grab into the seabed sediments in the open and closed state, and then use the cable car system to make the grab The bucket is closed and lifted aboard to obtain samples. During the ascending process of the box sampler, due to the impact and intrusion of the water flo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/08G01N1/04G01N1/12
CPCG01N1/04G01N1/08G01N1/12
Inventor 郭建卫窦振亚虞义勇孙军
Owner QINGDAO INST OF MARINE GEOLOGY
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