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Underwater anti-rotation empennage and direct-reading CTD with same

An anti-rotation, direct-reading technology, used in underwater ships, underwater operation equipment, transportation and packaging, etc., can solve problems such as affecting the normal operation of oceanographic surveys, high performance requirements for electric swivels, time-consuming and labor-intensive, etc. The effect of underwater rotation, ensuring work ability and increasing economic benefits

Pending Publication Date: 2022-02-18
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology helps prevent damage caused by rotating devices while still being able to read them from water depths beyond 30 meters or even deeper levels. It uses an improved design that redirects the device's light towards its target instead of directly onto it when navigated through seawater. By doing this, there are fewer wires needed for navigation, which saves money on maintenance costs compared with traditional methods like steering cables. Additionally, these techniques can be used during oceanic drilling activities where waves may cause unstable movements over time. Overall, they improve safety measures and reduce environmental impact associated with subsea operation.

Problems solved by technology

Technological Problem: Current Direct Readings CTD systems have limitations such as limited range of movement during ocean exploration activities, difficulty accessing certain areas near the surface without being obstructed from view while also requiring expensive electrical cables to connect them to the vessel's subsystem. Additionally, current methods are prone to damage caused by environmental factors like waves hitting the boat hull, causing inspections to stop over again afterward.

Method used

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  • Underwater anti-rotation empennage and direct-reading CTD with same
  • Underwater anti-rotation empennage and direct-reading CTD with same
  • Underwater anti-rotation empennage and direct-reading CTD with same

Examples

Experimental program
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Effect test

Embodiment 1

[0025] An underwater anti-rotation tail, comprising an anti-rotation piece that prevents a direct-reading CTD from rotating underwater in a circumferential direction, and the anti-rotation piece is connected to the water collection frame 6 of the direct-reading CTD. Preferably, the anti-rotation member includes a supporting frame and a high-strength waterproof cloth 2, and the high-strength waterproof cloth 2 is arranged on the supporting frame. Preferably, the support frame is fixedly connected to the water collection frame 6 .

[0026] In the prior art, the direct-reading CTD device is usually a cylindrical symmetrical structure. In this embodiment, an empennage is arranged on one side of the direct-reading CTD device so that the direct-reading CTD device becomes an asymmetric structure. Under the premise of making the direct-reading CTD equipment stable in one direction underwater, it effectively prevents the underwater rotation of the equipment without adding additional ot...

Embodiment 2

[0029] The difference from Embodiment 1 is that the underwater anti-rotation fin provided by this embodiment can be stored. Specifically, the support frame includes a pressure-resistant buoyancy rod 1 and a stainless steel frame 3 , and the pressure-resistant buoyancy rod 1 is arranged on the upper part of the stainless steel frame 3 . Preferably, it also includes a storage bracket 4 for storing the high-strength waterproof cloth 2, the storage bracket 4 is fixedly connected to the water collection frame 6, and the pressure-resistant buoyancy rod 1 and the stainless steel skeleton 3 are respectively rotatably connected to the storage bracket 4 . Preferably, the pressure-resistant buoyancy rod 1 is made of glass microspheres. Preferably, the storage bracket 4 is U-shaped. Preferably, the storage bracket 4 is made of stainless steel.

[0030] In this embodiment, when the direct-reading CTD device is on the deck, the anti-rotation part will be in a drooping state due to gravit...

Embodiment 3

[0033] A direct-reading CTD has the underwater anti-rotation tail as described in Embodiment 1 or Embodiment 2.

[0034] The direct-reading CTD provided by this embodiment effectively avoids the phenomenon of steel cable knotting, and also avoids the hidden dangers of breaking the steel cable at the knot and causing equipment loss due to the swaying and pitching of the ship under high sea conditions , reducing unnecessary losses and ensuring the working capacity of high sea conditions.

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PUM

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Abstract

The invention discloses an underwater anti-rotation empennage which comprises an anti-rotation piece for preventing underwater rotation of a direct-reading type CTD in the circumferential direction, and the anti-rotation piece is connected to a water sampling frame of the direct-reading type CTD. Preferably, the anti-rotation piece comprises a supporting framework and high-strength waterproof cloth, and the high-strength waterproof cloth is arranged on the supporting framework. Preferably, the supporting framework comprises a pressure-resistant buoyancy rod and a stainless steel framework, and the pressure-resistant buoyancy rod is arranged on the upper portion of the stainless steel framework. Preferably, the water sampling device further comprises a storage support used for storing the high-strength waterproof cloth, the storage support is fixedly connected to the water sampling frame, and the pressure-resistant buoyancy rod and the stainless steel framework are rotationally connected to the storage support. The invention further discloses the direct-reading type CTD. According to the underwater anti-rotation empennage and the direct-reading CTD with the same, automatic unfolding under water and automatic folding after water outgoing can be achieved, steel cable damage caused by underwater rotation of the empennage is prevented, and safety of marine instruments and equipment is guaranteed.

Description

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Claims

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Application Information

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Owner OCEAN UNIV OF CHINA
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