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Self-floating collision prevention device based on composite materials

A composite material, anti-collision technology, applied in the direction of climate change adaptation, layered products, metal layered products, etc., can solve problems such as energy absorption effect is not as good as steel jacket box, limited buffer performance, not suitable for large marine structure protection and other problems , to achieve the effect of self-floating, slow tearing and light weight

Inactive Publication Date: 2016-08-31
JIANGSU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cushioning performance of glass fiber reinforced materials and foam sandwich is limited, and the energy absorption effect is not as good as that of steel sleeves, so it is not suitable for the protection of large marine structures.

Method used

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  • Self-floating collision prevention device based on composite materials
  • Self-floating collision prevention device based on composite materials
  • Self-floating collision prevention device based on composite materials

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Embodiment Construction

[0022] In order to make the purpose and technical solutions of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work all belong to the protection scope of the present invention:

[0023] as attached Figure 1 to Figure 3 As shown, it is a composite material self-floating anti-collision device of the present invention, which is set on the column 1 of the marine structure and floats up and down with the water level; the anti-collision device is composed of four connected anti-collision units to form a ring The body is respectively anti-collision...

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Abstract

The invention discloses a self-floating collision prevention device based on composite materials; and the device coasts a stand column of a marine structure, and floats up and down along with a water level. The device is characterized by forming a ring body by multiple connected collision prevention units; the cross sections of the collision prevention units are fan rings, and the longitudinal sections are ellipses; and the collision prevention units are formed by glass fiber resins, corrugated sandwich steel plates, polyurethane elastomers, inner-layer steel plates and polyurethane foam multilayer composite materials from edge to internal in sequence, wherein an internal space formed by the inner-layer steel plates is filled with polyurethane foams. The self-floating collision prevention device is stable in water property, resistant in corrosion, excellent in impact resistance, and green and environment-friendly.

Description

technical field [0001] The invention relates to an anti-collision device, in particular to a self-floating anti-collision device based on composite materials. Background technique [0002] Most domestic protection devices adopt structural forms such as steel sleeve boxes and steel pontoons. The material is basically a single high-strength steel. The steel plate and steel rods form a truss support system. When a collision occurs, a large amount of energy is absorbed through the crushing and deformation of the steel plate. However, welding and riveting are mostly used for the connection between the parts of the device, and the cost is high due to strict manufacturing limits and many complicated welding details, and the quality is difficult to guarantee. [0003] In recent years, Liu Weiqing, Fang Hai and others have proposed a space lattice web-reinforced foam sandwich structure based on fiber-reinforced composite materials. This protective device can adapt to seawater corrosi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/26
CPCB32B15/08B32B15/095B32B15/14B32B15/18E02B3/26Y02A30/30
Inventor 路越任鹏葛锐力
Owner JIANGSU UNIV OF SCI & TECH
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