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中文摘要：
针对齿轮箱较为复杂的振动与噪声特性,提出一种黏滞阻尼器安装于齿轮轴进行振动控制。搭建了黏滞阻尼器齿轮减速箱实验台,对黏滞阻尼器作用于齿轮轴系的减振特性进行了实验研究。实验结果表明,该黏滞阻尼器能有效抑制齿轮轴系啮合振动的各频率成分以及齿轮在各种转速下的振动,减振幅度高达50%,且减振频带宽;对齿轮径向和轴向振动均有良好的减振特性;对比阻尼器不同安装位置的减振效果,阻尼器安装于箱体内部的轴系整体减振效果略好于其安装在箱体外的伸出端轴段。
英文摘要：
According to the complex character of gearbox vibration and noise, a kind of viscous damper for controlling vibration of gear shafting system is proposed. A gearbox bench with viscous damper is built to experimentally verify the damping characteristics of the viscous dampers mounted on gear shafting. The experimental results show that the viscous damper can effectively suppress each fre- quency component vibration caused by the gear meshing force and the vibration at various speeds, a- chieving vibration amplitude reduction up to 50% with a rather wide vibration reduction frequency band. And it can get good damping effect in both radial and axial vibration. By contrasting the damping effects of the viscous damper mounted on different position, the overall damping effect is a little better for the damper installed on the shaft inside the gearbox than it installed on extended end of the shaft outside the gearbox.
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