The invention discloses a periodic-structure vibration isolation device which comprises two panels, multiple vertical rods and multiple oblique rods, wherein the two panels are arranged at intervals; one panel is connected with equipment which needs vibration isolation through a vibration isolator, and the other panel is connected with a mounting base by virtue of a vibration isolator; the multiple vertical rods are arranged in an array and are vertically arranged between the two panels so as to form multiple vibration isolation regions, reinforced rib plates are arranged at connection parts between all vertical rods in each vibration isolation region and the upper and lower panels; one oblique rod is arranged between every two reinforced rib plates which are arranged in opposite angles of each vibration isolation region, and the oblique rods in the two adjacent vibration isolation regions are arranged symmetrically relative to the common vertical rod, so that a vibration isolation structure with periodic arrangement is formed, the band notched characteristic of the periodic structure is formed and effective vibration isolation and noise reduction are realized. The device is capable of not only providing sufficient static rigidity and dynamic rigidity, but also effectively isolating low-frequency narrow-band line spectrums and wide-band vibration transfer which are generated by main and auxiliary mechanical devices and restraining noise radiation caused by vibration transfer.


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    Titel :

    Periodic-structure vibration isolation device based on bandgap filtration and waveform conversion


    Beteiligte:
    CUI HAIBIN (Autor:in) / SHAO XINYU (Autor:in) / YANG LIAN (Autor:in) / LIU QI (Autor:in) / DAI QIFENG (Autor:in) / YU DAOYUAN (Autor:in) / ZHOU BOHUA (Autor:in) / ZHANG HUI (Autor:in) / WU SHENG (Autor:in) / JIANG YONGPING (Autor:in)

    Erscheinungsdatum :

    2015-05-06


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F16F SPRINGS , Federn / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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