A high strain damper
By introducing a high-strain damper made of foamed metal-rubber composite material into the floating structure, the problem of severe vibration of the floating structure under extreme conditions was solved. This achievement marks the first time that foamed metal materials have been incorporated into existing technologies in the marine field. This significantly improves the device's compressive strength and deformation capacity, enabling it to better withstand the service life in the marine environment, reducing production costs, and improving the device's reliability and maintainability. This demonstrates that it addresses the shortcomings of existing technologies in the field of marine engineering technology.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINHUANGDAO XINYIN OCEAN TECHNOLOGY CO LTD
- Filing Date
- 2025-07-21
- Publication Date
- 2026-07-03
AI Technical Summary
Existing floating structures vibrate violently under the loads of wind, waves and currents in marine or large water environments, causing excessive oscillation of the mooring system under extreme conditions. Existing energy dissipation devices have complex structures and limited damping adjustment range, which cannot meet the synergistic requirements of high damping and high strength, and their corrosion resistance and reliability are insufficient.
A high-strain damper using foamed metal-rubber composite material is designed as an additional energy dissipation device for floating mooring systems by combining the high internal friction characteristics of the material with the elasto-plastic deformation of the metal foam. It includes a cylindrical fixed plate, connecting column and vibration damping block. The connecting column is wrapped with a rubber sleeve, and the foamed metal is embedded with rubber or resin material to enhance corrosion resistance and deformation capacity. The structure is simple and suitable for installation in mooring chain or tie rod systems in marine environments, effectively increasing the additional damping energy dissipation device of the mooring system.
By utilizing the high internal friction characteristics of foamed metal materials and combining them with other materials in offshore facilities, the compressive strength and deformation capacity of the equipment have been significantly improved. This enables the equipment to better withstand complex vibration and impact loads, extend its service life, reduce production costs, and improve the reliability and maintainability of the equipment.
Smart Images
Figure CN224451552U_ABST