一种弹性超材料隔振支座

The elastic metamaterial vibration isolation support, composed of a metal skeleton, an elastic frame layer, and a mass block, solves the problems of large size and poor vibration isolation effect of low-frequency vibration isolation devices, achieving a vibration isolation effect with high load-bearing capacity and small space occupation, and enhancing the stability and vibration isolation performance of the structure.

CN117072616BActive Publication Date: 2026-07-17SHENGNIAN TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHENGNIAN TECH CO LTD
Filing Date
2023-09-14
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing vibration isolation devices are difficult to effectively isolate low-frequency vibrations because their size is similar to or larger than the wavelength of the mechanical vibration. Furthermore, traditional devices have the problem of large space occupation when trying to balance load-bearing capacity and vibration isolation effect.

Method used

The elastic metamaterial vibration isolation support, composed of a metal skeleton, an elastic frame layer, and mass blocks, utilizes the regular structure and damping characteristics of metamaterials. By combining the metal skeleton and the elastic frame layer, and filling the interior with mass blocks, a vibration isolation device with high load-bearing capacity is formed. The regularly arranged mass blocks form a matrix distribution inside the metal skeleton, which improves damping and inertial force and reduces the transmission of mechanical vibration.

Benefits of technology

While providing high load-bearing capacity, it effectively isolates low-frequency vibrations, reduces the space occupied by the device, improves vibration isolation effect, enhances structural stability and dynamic performance, and reduces mechanical noise.

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Abstract

本发明公开了一种弹性超材料隔振支座,包括金属骨架、包覆金属骨架的弹性框架层及设置在金属骨架内部的质量块,隔振支座的顶部与保护对象接触,隔振支座的底部与基础端固定连接,基础端的振动传向隔振支座,振动在隔振支座内部自下而上传递并衰减。本发明利用超材料的形成原理,采用金属骨架‑弹性框架‑质量块的结合结构,构成以金属骨架及弹性框架形成的单元金属骨架,内部嵌入金属制质量块,形成具有超材料结构、性质的隔振支座,令隔振支座设置在基础端与保护对象之间,在提供较大承载力的同时,对低频振动达到有效的隔振效果,并尽可能减小隔振装置的占用空间。
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