A Measuring System for Mechanical Properties of Submarine Sediments Applicable to Full Sea Depth

A technology of seabed sediments and mechanical properties, applied in geophysical measurement, measurement of fluid pressure, legs of general furniture, etc., can solve problems such as difficulty in popularization and application, high cost once, and inability to meet the task requirements of long-term continuous operation.

Active Publication Date: 2019-12-10
OCEAN UNIV OF CHINA
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  • Description
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Problems solved by technology

However, the submersible is expensive to use once, and cannot meet the task requirements of long-term continuous operation, so it is difficult to popularize and apply

Method used

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  • A Measuring System for Mechanical Properties of Submarine Sediments Applicable to Full Sea Depth
  • A Measuring System for Mechanical Properties of Submarine Sediments Applicable to Full Sea Depth
  • A Measuring System for Mechanical Properties of Submarine Sediments Applicable to Full Sea Depth

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Embodiment Construction

[0037] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0038] The seabed sediment mechanical characteristic measuring system of the present embodiment comprises two parts of the above-water monitoring unit and the underwater measuring device, such as Figure 11 shown. Among them, the water monitoring unit can be arranged on the scientific research ship, including the upper computer and the underwater acoustic communication machine. The upper computer communicates with the underwater measuring device through the underwater acoustic communication machine, realizes real-time monitoring of the running track of the underwater measuring device, the height from the seabed, the underwater working environment, and the working state, and controls the underwater measuring device by issuing remote commands. The underwater measurement device performs operations such as slowing down, penetrating, and recovery,...

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Abstract

The invention discloses a system for measuring the mechanical properties of seabed sediments applicable to the whole sea depth, comprising an above-water monitoring unit and an underwater measuring device, the underwater measuring device includes an observation platform and a measurement mechanism; the observation platform includes a frame type The main body and the floating body, wing plate, floating ball cabin, leveling mechanism, counterweight and release mechanism installed on the frame type main body; the sealing system circuit of the floating ball cabin, and the wing plate is lowered to a distance from the bottom of the seabed when the underwater measuring device When the set height is reached, the underwater measuring device is deployed to make a stable landing; the leveling mechanism adjusts the underwater measuring device to stand horizontally on the seabed when the frame-type main body reaches the seabed; the release mechanism completes the underwater operation of the underwater measuring device Finally, discard the counterweight to realize recovery. The measuring mechanism includes a cone penetrating measuring mechanism, a spherical penetrating measuring mechanism, a cross plate shearing measuring mechanism or a sampling mechanism. The measurement system of the invention can realize the measurement of the mechanical properties of the seabed sediments in the whole sea depth.

Description

technical field [0001] The invention belongs to the technical field of ocean observation, and in particular relates to a measurement system for detecting the mechanical properties of seabed sediments. Background technique [0002] At this stage, marine research has entered the era of full-sea depth. The sea area with a water depth ranging from about 6000 m to 11000 m is called "Hadal trench" by scientists and is the deepest ocean area on earth. This area is mainly distributed on the edge of the continent and is composed of trenches. Although it only accounts for 1%-2% of the global seabed area, its vertical depth accounts for 45% of the total depth of the ocean, which is of great significance in the marine ecosystem. At present, the research on the sea bucket abyss has become the latest frontier field of marine research, which also marks that marine science has entered the era of full-sea deep scientific research. Numerous ocean engineering based on seabed soils have emerge...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/00B63B35/00
CPCG01N3/00B63B35/00G01N2203/0032E02D1/04G01N33/24E02D1/025B63B22/003G01N1/12G01N2001/1031H04B13/02H04B11/00E21B25/18E21B49/001A47B91/02B63B1/30B63B22/00B63B2207/02E21B15/02E21B25/16F16M7/00G01L7/00G01N3/30G01N3/42G01N11/12G01N11/14G01S1/70G01V1/38G01V9/00
Inventor 贾永刚张红刘晓磊单红仙
Owner OCEAN UNIV OF CHINA
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