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Sea mooring system salvaging device and salvaging method thereof

A salvage device and mooring technology, which is applied to ship salvage, transportation and packaging, ships, etc., can solve the problems of high cost, limitation, high cost, etc., and achieve the effect of reducing salvage cost and increasing salvage efficiency

Active Publication Date: 2012-08-15
SECOND INST OF OCEANOGRAPHY MNR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the end position of the towing point of the fishing line cannot be determined, it is difficult to ensure that the fishing line can be effectively wound on the marine mooring system
In addition, there is also a way to hire divers to salvage, but the cost is high, and it is also limited by the maximum diving depth of 300 meters.
In deep-sea salvage operations, there is also a way to hire underwater robots (ROV) to salvage, but it also involves higher costs

Method used

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  • Sea mooring system salvaging device and salvaging method thereof
  • Sea mooring system salvaging device and salvaging method thereof
  • Sea mooring system salvaging device and salvaging method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0044] One end of the salvage rope is provided with a 400kg Hall anchor, and the length of the salvage rope is 1000m. The other end of the salvage rope is connected to the salvage ship through a winder, and 5 salvage hooks are uniformly hung on the salvage rope.

[0045] The salvage dog that this embodiment provides is as figure 1 , image 3 As shown, it includes main rod 1, barb 2, and ring lug 3, wherein the diameter of the inner wall of the main rod is 85mm, the diameter of the outer wall is 100mm, and the barbs are multiple, forming an array of barbs, the array The number of layers of barbs is 6 layers, and the number of barbs in each layer is 4. The angle between every two barbs of each layer is 90°. The length of the barbs is preferably 165mm, and the diameter is 25mm. The included angle between the barb and the bus bar of the main rod is 30°. The height of the ring lug 3 is 225mm, and the highest point of the ring lug is 100mm away from the main pole. The ring lug is ...

Embodiment 2

[0054] The salvage device provided in Example 1 was transported to a position 100m upwind and upstream of the marine mooring accident site, a 400kg Hall anchor was thrown into the sea, and the Hall anchor drove the fishing rope and fishing hook to sink into the seabed. Starting from the position of the Hall anchor, the salvage ship starts to spiral outward around the accident point of the marine mooring system at a speed of 2 knots. When the number of rotations is 5, the remaining salvage rope is released, the salvage ship stops, and starts Recovery of salvage lines and wrecked marine moorings. Salvage efficiency is 90%.

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Abstract

The invention provides a sea mooring system salvaging device which comprises: a salvaging rope with one end provided with a sinker and the other end connected to a salvaging boat; a plurality of salvaging hooks which are hung on the salvaging rope and are located between the sinker and the salvaging boat, wherein the salvaging hooks comprise a main rod, array barbs disposed on an outer wall of the main rod, and 5-15 layers of array barbs are provided, 4-8 barbs in each layer; annular lifting lugs disposed at two ends of the main rod. According to the invention, salvaging hooks with array barbs are used, and have more barbs when compared with salvaging hooks with 3-5 pawls used in the prior art; therefore the chance for barbs to contact a sea mooring system is increased, and the salvaging efficiency is improved; experiments demonstrates that when 5-50 salvaging hooks provided by the invention are used for salvaging, the salvaging efficiency is above 90%, and the salvaging cost is reduced. The invention also provides a salvaging method of sea mooring systems.

Description

technical field [0001] The invention relates to the field of ocean fishing, in particular to an ocean mooring fishing device and a fishing method thereof. Background technique [0002] The ocean mooring system is a collection of observation equipment for ocean data collection. The bottom of the equipment is anchored by heavy blocks, and the upper part is hung with floating balls to provide buoyancy for the equipment. At the same time, for different sea depths, the detection equipment is hung on the on the main rope. The marine mooring system can be applied to the complex seabed environment, and the detection data is accurate. In order to facilitate the recovery of marine mooring systems, it is necessary to add an acoustic releaser between the main line rope and the weight. Block release effect, to ensure the separation of the whole string of anchors and the bottom anchor block when recycling in the future. However, the marine mooring system is often unable to unhook or un...

Claims

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Application Information

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IPC IPC(8): B63C7/00
Inventor 丁涛梁楚进张敏强周蓓锋金魏芳李俊德
Owner SECOND INST OF OCEANOGRAPHY MNR
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