螺旋线偏差对圆柱齿轮副振动的影响规律研究

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振动与冲击 ›› 2016, Vol. 35 ›› Issue (22) : 80-85.

论文

常乐浩1 贺朝霞1 刘更2

作者信息 +

Effects of helix deviations on vibration of cylindrical gear pairs

CHANG Le-hao1, HE Zhao-xia1, LIU Geng2

Author information +

文章历史 +

摘要

综合计入时变啮合刚度激励、误差激励和啮入冲击激励，建立了圆柱齿轮副弯扭轴耦合动力学模型，分析了不同形式螺旋线偏差对直齿轮副和斜齿轮副振动的影响规律。结果表明，螺旋线偏差对直齿轮副振动几乎不产生影响，但对斜齿轮副振动影响显著，其中中凹螺旋线齿轮的振动最大；负螺旋角偏差齿轮振动次之；在多数载荷情况下，正螺旋角偏差齿轮的振动要小于理想螺旋线齿轮；中凸螺旋线齿轮的振动最小。因此，螺旋线偏差在分析直齿轮副振动时可以忽略，但在分析斜齿轮副振动时则需要计入才更为合理。

Abstract

A transverse-rotational-axial coupled dynamic model for a cylindrical gear pair was built considering excitations of time-varying mesh stiffness, gear error and meshing impact. And the effects of different helix deviations on the vibration of a spur and helical gear pair were investigated. The results showed that the helix deviation has little effects on the vibration of spur gears but has remarkable influences on the vibration of helical gears. The concave helix always brings the largest vibration, and the negative helix angle errors produce smaller dynamic loads than the concave helix. Under most load conditions, the positive helix angle errors bring a smaller vibration than the ideal helix does and the convex helix has the smallest vibration of all. Therefore, the helix deviation can be neglected when studying the dynamic responses of spur gears but should be taken into account when studying the dynamic responses of helical gears.

导出引用

常乐浩1 贺朝霞1 刘更2. 螺旋线偏差对圆柱齿轮副振动的影响规律研究[J]. 振动与冲击, 2016, 35(22): 80-85

CHANG Le-hao1, HE Zhao-xia1, LIU Geng2. Effects of helix deviations on vibration of cylindrical gear pairs[J]. Journal of Vibration and Shock, 2016, 35(22): 80-85

参考文献

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