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A new type of torpedo anchor based on bionics and its construction method

A bionic and torpedo technology, applied in anchor points, anchoring arrangements, ship construction, etc., can solve the problems of insufficient innovation and increase in the interface friction coefficient technology

Active Publication Date: 2021-07-06
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing methods mainly start from increasing the contact area between the anchor body and the seabed soil, or need to provide an additional power source to enhance the penetration performance, and to increase the falling speed of the anchor body in water, increase the The technological innovation in the interface friction coefficient between material, anchor body material and seabed soil is still relatively insufficient; therefore, based on the principle of bionics, a new type of torpedo anchor and its The method of construction is particularly important

Method used

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  • A new type of torpedo anchor based on bionics and its construction method
  • A new type of torpedo anchor based on bionics and its construction method
  • A new type of torpedo anchor based on bionics and its construction method

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Embodiment 1

[0034] Such as Figure 1-4 As shown, a novel torpedo anchor based on bionics includes an anchor body 2, an anchor rod 3, an anchor wing 5, an anchor tip 1 and a spiral expansion mechanism; the anchor rod 3 is located below the inside of the anchor body 2, and the anchor tip 1 Located at the top of the anchor rod 3, the anchor wing 5 is fixed at the tail of the anchor body 2, and the spiral telescopic mechanism is located above the interior of the anchor body 2;

[0035] The diameter of the anchor rod 3 is 0.75m~1.2m, the length is 12.5m~15.0m, and threads are arranged from the top to 1 / 3~1 / 4 thereof; the diameter of the anchor body 2 is 0.8m~1.3m m, 12.5m to 15.0m long, cylindrical in shape, with an imitation sharkskin structure 16 arranged on the outer surface, and a baffle 14 inside to limit the vertical movement of the interlocking rotor; the bionic sharkskin structure is a three-dimensional Interlocking rib structure with a thickness of 0.01m to 0.02m;

[0036] The spira...

Embodiment 2

[0039] According to the construction method of a novel torpedo anchor based on bionics described in the present invention, at first, according to the design requirements, the anchor rod 3 is 12.5m to 15.0m long (12.5m in this embodiment) and 0.75m to 1.2m in diameter (this The embodiment is 1m), and the top to the bottom 1 / 3~1 / 4 (the present embodiment is 4m) is provided with screw thread. The anchor body 2 has a length of 12.5m to 15.0m (13m in the present embodiment) and a diameter of 0.8m to 1.3m (1.2m in the present embodiment). Anchor wing 5 is wide 0.5m~1.5m (the present embodiment is 1m), and long is the anchor length of 1 / 3~2 / 3 (the present embodiment is 7m), thick 0.07m~0.08m (the present embodiment is 0.08m) ). The anchor tip 5 is oval or conical (conical in this embodiment), 1.5m to 5.0m long (3.5m in this embodiment), and 0.75m to 1.2m in diameter (1m in this embodiment). Add concave hexagonal honeycomb negative Poisson's ratio metal material at anchor wing 5, it...

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Abstract

The invention provides a novel torpedo anchor based on bionics and its construction method. The novel torpedo anchor is composed of an anchor body, an anchor rod, an anchor wing, an anchor tip and a spiral telescopic mechanism; Loose ratio material, using its characteristics of tension expansion and compression contraction to improve the pull-out bearing capacity of torpedo anchor; In the working state, the frictional resistance between the anchor body and the seabed soil is increased; drawing on the bionics principle of razor clam excavation, after the initial penetration is completed, the working anchor chain is tightened to link the spiral telescopic mechanism, so that the internal anchor rod Penetrate downwards to achieve secondary penetration into the soil and improve the pull-out bearing capacity and stability of the anchor.

Description

technical field [0001] The invention relates to deep-sea mooring foundations, in particular to a novel torpedo anchor based on bionics and a construction method thereof. Background technique [0002] With the development of society and economy, my country's demand for oil and gas resources is increasing day by day. In order to meet the growing demand for oil and gas energy, the development of offshore oil and gas resources has gradually shifted from shallow sea to deep sea. Since the cost of fixed platforms increases sharply with the increase of operating water depth, it is generally only suitable for shallow seas, while floating platforms with relatively stronger applicability are mostly used in deep sea areas. The floating platform relies on its own buoyancy to support the weight of its upper part, and anchors the platform through the mooring system; the mooring system, as a component of the deep-sea floating structure, plays a vital role in its operation safety. Commonly...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63B21/26B63B21/29B63B21/50
CPCB63B21/26B63B21/29B63B21/50B63B2021/265
Inventor 牛景琳孔纲强瑜璐杨庆
Owner DALIAN UNIV OF TECH
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