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Tuning liquid particle damping phononic crystal vibration isolator
The tuning liquid particle damping phononic crystal vibration isolator comprises a fixing shaft and a vibration resisting assembly arranged on the fixing shaft in a sleeving mode, the vibration resisting assembly comprises an oscillator ring assembly, a first vibration reducing piece and an aluminum alloy connecting piece, and the first vibration reducing piece is arranged between the oscillator ring assembly and the aluminum alloy connecting piece; the vibrator ring assembly comprises an annular rigid vibrator shell, the annular rigid vibrator shell is provided with a containing cavity, a plurality of damping particles and buffering damping liquid are arranged in the containing cavity, the buffering damping liquid is filled in the containing cavity, the damping particles are arranged in the buffering damping liquid, and the vibration damping assemblies are sequentially arranged on the fixing shaft in a sleeving mode. The particle damping vibration absorption technology, the tuning liquid vibration absorption technology and the band gap vibration resistance technology are combined, the technical characteristics of particle damping and tuning liquid damping are successfully utilized for complementation, the particle damping is coated with damping liquid to generate common vibration, the band gap is widened to the low frequency, and the vibration resistance of the band gap is improved. And meanwhile, the effect of low-frequency band formant attenuation can be achieved.
本发明公开了一种调谐液体颗粒阻尼声子晶体隔振器，包括固定轴及套装于固定轴上的阻振组件，阻振组件包括振子环组件、第一减振件和铝合金连接件，第一减振件设于振子环组件与铝合金连接件之间，振子环组件包括一环形刚振子壳体，环形刚振子壳体设有容纳腔，容纳腔内设有若干阻尼颗粒和缓冲阻尼液，缓冲阻尼液填充于容纳腔内并使若干阻尼颗粒置于缓冲阻尼液中，阻振组件的设置为复数个并依次套装于固定轴；本发明通过将颗粒阻尼吸振技术、调谐液体吸振技术及带隙阻振技术的相结合，成功利用颗粒阻尼和调谐液体阻尼的技术特点进行互补，将阻尼液包覆于颗粒阻尼的外部产生共同产振，实现带隙向低频的拓宽，并且同时可以起到低频带共振峰衰减的作用。
Tuning liquid particle damping phononic crystal vibration isolator
The tuning liquid particle damping phononic crystal vibration isolator comprises a fixing shaft and a vibration resisting assembly arranged on the fixing shaft in a sleeving mode, the vibration resisting assembly comprises an oscillator ring assembly, a first vibration reducing piece and an aluminum alloy connecting piece, and the first vibration reducing piece is arranged between the oscillator ring assembly and the aluminum alloy connecting piece; the vibrator ring assembly comprises an annular rigid vibrator shell, the annular rigid vibrator shell is provided with a containing cavity, a plurality of damping particles and buffering damping liquid are arranged in the containing cavity, the buffering damping liquid is filled in the containing cavity, the damping particles are arranged in the buffering damping liquid, and the vibration damping assemblies are sequentially arranged on the fixing shaft in a sleeving mode. The particle damping vibration absorption technology, the tuning liquid vibration absorption technology and the band gap vibration resistance technology are combined, the technical characteristics of particle damping and tuning liquid damping are successfully utilized for complementation, the particle damping is coated with damping liquid to generate common vibration, the band gap is widened to the low frequency, and the vibration resistance of the band gap is improved. And meanwhile, the effect of low-frequency band formant attenuation can be achieved.
本发明公开了一种调谐液体颗粒阻尼声子晶体隔振器，包括固定轴及套装于固定轴上的阻振组件，阻振组件包括振子环组件、第一减振件和铝合金连接件，第一减振件设于振子环组件与铝合金连接件之间，振子环组件包括一环形刚振子壳体，环形刚振子壳体设有容纳腔，容纳腔内设有若干阻尼颗粒和缓冲阻尼液，缓冲阻尼液填充于容纳腔内并使若干阻尼颗粒置于缓冲阻尼液中，阻振组件的设置为复数个并依次套装于固定轴；本发明通过将颗粒阻尼吸振技术、调谐液体吸振技术及带隙阻振技术的相结合，成功利用颗粒阻尼和调谐液体阻尼的技术特点进行互补，将阻尼液包覆于颗粒阻尼的外部产生共同产振，实现带隙向低频的拓宽，并且同时可以起到低频带共振峰衰减的作用。
Tuning liquid particle damping phononic crystal vibration isolator
一种调谐液体颗粒阻尼声子晶体隔振器
GONG ZHANLIN (author) / ZHAO CAIYOU (author) / CHEN SHENG-CHIN (author) / SHI DUOJIA (author) / ZHENG JUNYUAN (author) / GAO XIN (author) / GUO KE (author) / ZHAO YANNAN (author)
2023-10-03
Patent
Electronic Resource
Chinese
IPC:
E01B
PERMANENT WAY
,
Gleisoberbau
Phononic crystal vibration isolator based on acoustic black hole notch mechanism
| European Patent Office | 2022