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Measuring system for mechanical property of seabed sediment suitable for 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 the problems of inability to meet the task requirements of long-term continuous operation, expensive one-time cost, and difficulty in popularization and application

Active Publication Date: 2019-02-01
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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  • Measuring system for mechanical property of seabed sediment suitable for full sea depth
  • Measuring system for mechanical property of seabed sediment suitable for full sea depth
  • Measuring system for mechanical property of seabed sediment suitable for 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 measuring system for the mechanical properties of a seabed sediment suitable for full sea depth, comprising a waterborne monitoring unit and an underwater measuring device. The underwater measuring device comprises an observation platform and a measuring mechanism. The observation platform comprises a frame body; and floating bodies, wing plates, floating ball cabins, leveling mechanisms, counterweight mechanisms, and releasing mechanisms, which are mounted on the frame body. The floating ball cabins seal the system circuit. The wing plates are deployed when the underwater measuring device reaches a set height from the seabed, so that the underwater measuring device lands stably. The leveling mechanisms adjust the underwater measuring device to stand horizontallyon the seabed when the frame body reaches the seabed. The releasing mechanisms discard the counterweights to realize recovery after the underwater measuring device finishes the underwater operation. The measuring mechanism comprises a conical penetration measuring mechanism, a spherical penetration measuring mechanism, a cross plate shearing and measuring mechanism, or a sampling mechanism. The measuring system for the mechanical properties of a seabed sediment suitable for full sea depth can measure the mechanical properties of the seabed sediments of full 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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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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