A control device for suppressing vibration of an offshore platform

By using the sleeve to connect to the offshore platform's legs and the synergistic effect of the fins and the suspension vibration damping components, the problem of poor vibration damping effect of existing devices has been solved, achieving efficient vibration suppression and extending the service life and safety of the offshore platform.

CN224531627UActive Publication Date: 2026-07-21DALIAN JINCHENG YANGFAN OCEAN ENG DESIGN CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DALIAN JINCHENG YANGFAN OCEAN ENG DESIGN CO LTD
Filing Date
2025-08-18
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing devices for suppressing vibration of offshore platforms have poor vibration reduction effects, especially in complex and variable vibration conditions where they are difficult to meet high requirements. Furthermore, the rigid connection between the sleeve and the foot may exacerbate vibration transmission and lead to fatigue damage at the connection.

Method used

The system employs a sleeve that is movably connected to the offshore platform's legs. Combined with fins that penetrate into seawater to dissipate vibration energy, and energy-absorbing blocks within the suspended vibration damping components that freely deform to absorb energy, the vibration damping effect is enhanced through the synergistic effect of multiple structures.

Benefits of technology

It significantly improves the vibration reduction efficiency of offshore platforms, extends their service life, ensures the safe and stable operation of the platform, and reduces the risk of damage at the pipe joints.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a control device of inhibiting ocean platform vibration belongs to ocean platform technical field, include: sleeve, sleeve has spacing for limiting space, spacing is used for limiting to ocean platform pipe foot, sleeve is connected with ocean platform pipe foot swing, fin, fin includes a plurality of, a plurality of fins are along the sleeve circumferential interval setting, a plurality of fins are connected with sleeve side respectively, a plurality of fins are used for invading seawater, suspension damping assembly, energy -absorbing block sets up in damping chamber. The utility model discloses when the pipe foot produces vibration displacement or slight deformation because of impact, the energy -absorbing block of suspension damping assembly can move or deformation more freely in the damping chamber, can more fully absorb vibration energy, and fin also can adjust the action posture with seawater along with the activity of sleeve, enhances the energy -dissipation effect of seawater damping, and the both synergies, significantly improved the overall damping efficiency, prolonged the service life of ocean platform, and the safe and stable operation of platform was guaranteed.
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