Logical support structures and anti-collision devices for offshore structures

Abstract

The invention discloses a logical support structure and an anti-collision device for an offshore structure, wherein the logical support structure includes a bearing part, a fixing part, a diagonal brace and a linear spring; the bearing part and the fixing part are arranged in parallel; the diagonal The support includes a first diagonal brace and a second diagonal brace. The first diagonal brace and the second diagonal brace are arranged in pairs. One ends of the two first diagonal braces are respectively hinged to the two ends of the bearing part, and the other ends face the opposite side. The direction is inclined, and one end of the two second diagonal braces is respectively hinged at the two ends of the fixed part, and the other end is inclined in the opposite direction, and the other ends are respectively hinged with the other end of the corresponding first diagonal brace; the linear spring is set Between the load-bearing part and the fixed part, and its two ends are respectively hinged at the intersection of the first diagonal brace and the second diagonal brace; the application has high stiffness in the initial state, and when the load of the supporting structure reaches a certain threshold, the structural stiffness The reduction can not only ensure the implementation of normal operation, but also reduce the impact contact force under impact conditions.

Description

technical field [0001] The invention relates to the technical field of marine and ships, in particular to a logical support structure and anti-collision device for offshore structures. Background technique [0002] Marine and marine engineering structures may be subjected to short-term strong loads such as collisions with out-of-control ships. Effective anti-collision has become a major requirement to ensure the safety of marine engineering structures. [0003] In the traditional anti-collision method, the air bag, viscoelastic material (rubber), metal foam, etc. are introduced into the protected structure (such as offshore wind turbine) (such as figure 1 As shown), the above structure can reduce the impact contact force, but its stiffness is very low. Under normal working conditions (such as berthing a ship), this type of low stiffness material (structure) will also produce large deformation, and the metal foam may also undergo plastic failure. , large waves, etc. may also...

AI Technical Summary

Problems solved by technology

[0003] In the traditional anti-collision method, the air bag, viscoelastic material (rubber), metal foam, etc. are introduced into the protected structure (such as offshore wind turbine) (such as figure 1 As shown), the above structure can reduce the impact contact force, but its stiffness is very low. Under normal working conditions (such as berthing a ship), this type of low stiffness material (structure) will also produce large deformation, and the metal foam may also undergo plastic failure. , large waves, etc. may also cause large deformation or even damage to these low-stiffness materials (structures)

Images