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Marine sediment sampling system and sampling method

A sampling system and marine sediment technology, applied in the direction of sampling devices, etc., can solve the problems of large influence of ocean current velocity and difficult sampling positioning, etc., and achieve the effect of improving success rate, good application effect and ingenious design

Active Publication Date: 2021-10-29
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current sampling difficulties mainly include: difficulty in sampling and positioning, great influence of ocean current velocity, etc.

Method used

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  • Marine sediment sampling system and sampling method
  • Marine sediment sampling system and sampling method
  • Marine sediment sampling system and sampling method

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Embodiment Construction

[0031] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0032] like figure 1 As shown, the marine bottom mud sampling system of the present invention includes a support positioning system, a sampling system and a lifting system. The lifting system is arranged above the sampling system, and is used to descend and press the sampling system into the marine bottom mud. Then, the sampling system is lifted out of the ocean bottom mud, and the support positioning system surrounds the sampling system for stabilizing the sampling system and the lifting system.

[0033] The bracket positioning system is introduced below. The bracket positioning system includes a main bracket 1. The main bracket 1 is distributed in a circula...

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Abstract

The invention relates to a marine sediment sampling system and a sampling method. The marine sediment sampling system comprises a supporting and positioning system, a sampling system and a lifting system; the lifting system is arranged over the sampling system and used for descending to press the sampling system into marine sediment, and, after sampling is completed,ascending to lift the sampling system out of the marine sediment, and the supporting and positioning system surrounds the sampling system and is used for stabilizing the sampling system and the lifting system. The sampling method comprises the following steps: opening an upper cover and a lower cover, keeping in a balanced state, entering the sea until the system stands stably, pressing down the lifting system, inserting a sampling pipe into the sediment, pushing the sediment to move upwards, filling the sampling pipe with the sediment, jacking the upper cover to turn upwards, and loosening the upper cover pull rope and the lower cover pull rope, so that the upper cover is turned upwards under the action of a torsion coach, and the lower cover is under the action of a torsion spring, upper and lower openings of the sampling pipe are covered, the sediment is sealed in the sampling pipe, automatic sampling is completed, the sampling process is automatically carried out, and the efficiency, accuracy and practicality are high.

Description

technical field [0001] The invention relates to a marine sediment sampling system and a sampling method, belonging to the technical field of seabed sampling equipment. Background technique [0002] The composition of marine sediments, sedimentation rate, distribution of substrate microbial communities, and composition of pollutants are the key to the study of marine hydrodynamics, pollutants, and microorganisms. Marine sediment sampling is an important research method. The current sampling difficulties mainly include: the difficulty of sampling and positioning, and the great influence of ocean current velocity. It can be seen that the development of a convenient and stable marine sediment sampling device has become an industry demand, and it is urgent to be solved. Contents of the invention [0003] In order to solve the above-mentioned technical problems, the present invention provides a marine bottom mud sampling system and sampling method, and its specific technical sc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 宋为威李轶牛丽华张焕军王龙飞张文龙
Owner HOHAI UNIV