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中文摘要：
针对齿轮箱较为复杂的振动与噪声问题,对齿轮轴系振动特性及粘滞阻尼器的减振特性进行了研究,并提出了一种新型粘滞阻尼器用于控制齿轮轴系的振动。该粘滞阻尼器通过轴承与齿轮轴连接实施了齿轮轴系振动能量的消耗,从而达到了减振的目的。搭建了粘滞阻尼器—齿轮减速箱实验台,对粘滞阻尼器作用于输出轴时对齿轮轴系统减振特性进行了实验研究。研究结果表明,该粘滞阻尼器能有效抑制齿轮轴系的振动的各频率成分,减振幅度主动轴和从动轴分别高达55.4%和65.2%,从而可保证齿轮轴系稳定运行。
英文摘要：
Aiming at the problem of complex vibration and noise in gearbox, the vibration characteristics of gear shaft and the damping properties of viscous dampers were studied. And a novel viscous damper for controlling vibration of gear shafting system was proposed in this study. The viscous damper conducts the vibration energy consumption by connected to the gear shaft with a bearing, so as to achieve the purpose of vibration reduction. A viscous damper-gearbox bench was built, and the damping characteristics for viscous damper acting on the driven shaft in gear shafting system was studied experimentally. The studied results show that the viscous damper could effectively suppress the respective frequency vibration components of the gear shafting system, achieving vibration amplitude reduction up to 55.4% and 65.2% for the drive shaft and the driven shaft respectively, thus ensuring the stability of the gear shafting system.
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