Local resonance type three-dimensional vibration isolation platform based on bionic synergistic viscous damping

By using a local resonant three-dimensional vibration isolation platform, combined with multi-stage disc spring supports and recyclable rubber supports, and utilizing a biomimetic enhanced damping structure and an overflow force-limiting damper, the problems of three-dimensional vibration isolation and low energy consumption efficiency are solved, achieving three-dimensional vibration isolation and high-efficiency energy consumption, and preventing damage to connection nodes.

CN121993539APending Publication Date: 2026-05-08SHANGHAI RES INST OF MATERIALS CO LTD
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Patent Information

Application Number
CN202610354321.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-23
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing vibration isolation devices are difficult to achieve three-dimensional vibration isolation, the energy dissipation efficiency of energy dissipation devices is low, the internal displacement of the vibration isolation layer is too large, the connection nodes are easily damaged, and the elastic wave isolation effect is poor.

Method used

A local resonance type three-dimensional vibration isolation platform is adopted, combined with multi-stage disc spring supports and recyclable rubber supports, and a biomimetic efficiency-enhancing damping structure is introduced. Through a local resonance system and a nonlinear amplified deformation drive energy dissipation device, the output force is controlled by an overflow force-limiting damper to achieve three-dimensional vibration isolation and efficient energy dissipation.

Benefits of technology

It effectively blocks the transmission of three-dimensional vibration, improves energy consumption efficiency, prevents damage to connection nodes, flexibly adjusts platform stiffness, and achieves positive stiffness, quasi-zero stiffness and negative stiffness behavior, thereby enhancing the elastic wave isolation effect.

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Abstract

The invention relates to a local resonance type three-dimensional vibration isolation platform based on bionic synergistic viscous damping. The vibration isolation platform comprises a bearing platform, a local resonance type three-dimensional vibration isolation support and a bionic synergistic damping structure. The local resonance type three-dimensional vibration isolation support comprises a multi-stage disc spring support and a renewable rubber support, vertical and horizontal vibration isolation is achieved, and enough vertical bearing force is provided. A local resonance system is arranged to generate a band gap, and transmission of elastic waves in the vibration isolation platform is further blocked; the bionic synergistic damping structure comprises a bionic leg bone structure, a spring and an overflow force limiting type damper, deformation of the overflow force limiting type damper and the spring is amplified in a non-linear mode through the bionic synergistic damping structure, and energy consumption synergistic effect and rigidity adjustment are achieved. Compared with the prior art, transmission of vibration in the platform can be effectively blocked, and three-dimensional vibration isolation is achieved.
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