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针对双层隔振在低频区达不到实际应用要求的缺陷,提出了附加机械自调谐式吸振器的方法,并对该方法进行了模型试验,在钢条厚度和质量块重量不同组合下获得主体系统的加速度响应曲线。结果表明,该装置确能有效扩宽吸振器工作频段,提高低频区隔振效果,为实现高精度控制要求的设备提供了一种切实可行的方案。
Aiming at the defect that the double-layer vibration isolation can not meet the practical application requirements in the low-frequency region, a method of attaching a mechanical self-tuning vibration absorber is proposed. The model test is carried out on the method and obtained under different combinations of the thickness of the steel bar and the mass weight The main system of the acceleration response curve. The results show that the device can effectively widen the working frequency band of the vibration absorber and improve the vibration isolation effect in the low frequency region, thus providing a practical solution for the equipment with high precision control requirements.