A bionics-based dynamic torpedo anchor and its installation method

A bionic and dynamic technology, applied in the direction of anchoring arrangement, anchor point, transportation and packaging, etc., can solve the problems of insufficient installation penetration depth, limited pull-out bearing capacity, etc., to expand the scope of applicable soil and increase the pull-out resistance The bearing capacity and the effect of increasing the installation power
CN112141268BActive Publication Date: 2021-09-28DALIAN UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
DALIAN UNIV OF TECH
Publication Date
2021-09-28

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Abstract

The invention discloses a bionics-based dynamic torpedo anchor and an installation method thereof, belonging to the technical field of deep-sea mooring. Including rotating anchor tip, anchor rod, anchor wing and simple water ramjet engine part; the invention combines the traditional torpedo free-fall movement and installs the simple water ramjet engine at the same time, so that it can obtain a greater initial penetration speed and improve the penetration rate of the torpedo anchor. Depth; add negative Poisson’s ratio materials to the anchor rod and anchor wing, and use the characteristics of negative Poisson’s ratio materials to shrink under compression and expand under tension to reduce penetration resistance and improve uplift bearing capacity. The invention has the advantages of high initial penetration speed, deep installation penetration and high pullout bearing capacity.
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Description

technical field

[0001] The invention belongs to the technical field of deep sea mooring, in particular to a bionics-based dynamic torpedo anchor and an installation method thereof. Background technique

[0002] In recent years, with the gradual advancement of offshore energy exploitation to the deep sea, the mooring system suitable for deep-sea oil production platforms has attracted extensive attention from the marine industry. Torpedo anchors have been widely used in marine engineering construction because of their advantages of simple installation, easy operation and low cost.

[0003] Negative Poisson's ratio material is a kind of metamaterial with opposite characteristics to traditional positive Poisson's ratio material. It expands perpendicular to the direction of tension when it is pulled, and shrinks perpendicular to the direction of pressure when it is compressed. Researchers first proved the existence of negative Poisson's ratio characteristics in pyrite crystals; ...

Claims

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