An in-situ measuring device for mechanical characteristics of seafloor sediments, which is applicable to the whole sea depth

A technology of seabed sediments and mechanical properties, applied in measurement devices, sampling devices, scientific instruments, etc., can solve the problems of high one-time cost, difficult to popularize and apply, and unable to meet the task requirements of long-term continuous operation, so as to ensure load-throwing recovery. Effect

Pending Publication Date: 2018-12-28
OCEAN UNIV OF CHINA
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Problems solved by technology

However, the submersible is expensive to use once, and cannot meet the task require

Method used

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  • An in-situ measuring device for mechanical characteristics of seafloor sediments, which is applicable to the whole sea depth
  • An in-situ measuring device for mechanical characteristics of seafloor sediments, which is applicable to the whole sea depth
  • An in-situ measuring device for mechanical characteristics of seafloor sediments, which is applicable to the whole 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 in-situ measurement device for the mechanical properties of seabed sediments in this embodiment mainly includes two parts: an observation platform and a measurement mechanism mounted on the observation platform, such as Figure 5 shown. Wherein, the observation platform is a cable-free submarine observation platform, mainly composed of a frame-type main body 10 and a floating body 20 installed on the frame-type main body 10, a wing plate 30, a height measuring device, a floating ball cabin 40, a leveling mechanism 50, The counterweight 60 and the release mechanism 70 are composed of parts such as figure 1 shown. The measuring mechanism is mainly a variety of measuring instruments used to test the mechanical properties of seabed sediments, including but not limited to one of the cone penetration measurement mechanism 100, the spher...

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Abstract

The invention discloses an in-situ measuring device for mechanical characteristics of seafloor sediment suitable for whole sea depth, which comprises an observation platform and a measuring mechanism.The observation platform comprises a frame-type main body and a floating body, a wing plate, a floating balloon cabin, a leveling mechanism, a counterweight and a releasing mechanism installed on theframe-type main body. A system circuit for seal that floating balloon cabin, wherein the system circuit control the deployment of the wing plate when the frame type main body is lowered to reach a set height from the seafloor to make the platform land steadily, and controls a leveling mechanism to adjust the frame type main body to stand horizontally on the seafloor when the frame type main bodyreaches the seafloor; After the measuring device completes the underwater operation, the system circuit controls the release mechanism to discard the counterweight and realize recovery. The measuringmechanism comprises a conical penetration measuring mechanism, a spherical penetration measuring mechanism, a vane shear measuring mechanism and a sampling mechanism. The measuring device of the invention adopts the cable-free laying mode, is not limited by the cable length, and can realize the in-situ measurement of the mechanical characteristics of the seabed sediment 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 measuring device 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 emerged ...

Claims

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Application Information

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IPC IPC(8): B63B35/00G01N1/04G01N33/00
CPCG01N1/04G01N33/00B63B35/00
Inventor 贾永刚张红刘晓磊单红仙
Owner OCEAN UNIV OF CHINA
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