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1.大连创新零部件制造公司, 辽宁 大连 116620
2.一汽解放 青岛汽车有限公司, 山东 青岛 266000
3.中国重型汽车集团有限公司 汽车研究总院, 山东 济南 250101
侯训波(1967— ),男,辽宁大连人,正高级工程师;研究方向为汽车转向技术;houxunbo@126.com。
纸质出版日期:2023-02-15,
收稿日期:2022-02-11,
修回日期:2022-03-07,
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侯训波,韩伟杰,王旭光等.偏心齿扇的循环球式转向器变传动比设计研究[J].机械传动,2023,47(02):101-106.
Hou Xunbo,Han Weijie,Wang Xuguang,et al.Designing Research on Variable Ratio for Recirculating Ball Steering Gears with Eccentric Gear Sector[J].Journal of Mechanical Transmission,2023,47(02):101-106.
侯训波,韩伟杰,王旭光等.偏心齿扇的循环球式转向器变传动比设计研究[J].机械传动,2023,47(02):101-106. DOI: 10.16578/j.issn.1004.2539.2023.02.013.
Hou Xunbo,Han Weijie,Wang Xuguang,et al.Designing Research on Variable Ratio for Recirculating Ball Steering Gears with Eccentric Gear Sector[J].Journal of Mechanical Transmission,2023,47(02):101-106. DOI: 10.16578/j.issn.1004.2539.2023.02.013.
为实现变间隙特性,循环球式转向器中摇臂轴上的齿扇通常设置了偏心距,该偏心齿扇是实现转向器变比传动的重要部件。由于齿扇存在偏心距,会使转向器输出的传动比曲线受到影响,尤其对变比曲线的影响更为明显,且会产生变异。以齿扇几何中心点和摇臂轴轴心点分别建立坐标系,计算分析了偏心齿扇在各转角点上所引起的传动比瞬时变化量,提出了用转向器期望的传动比减去该瞬时变化量来进行修正。依据瞬时修正后的传动比设计偏心齿扇的齿廓曲面,可使转向器输出期望的传动比曲线。同时,提出了定量修正传动比的简化方法,与期望值误差可控制在0.3%以内。
In order to realize the variable clearance characteristic
the gear sector on the pitman arm shaft in recirculating ball steering gears is usually set with eccentricity. This eccentric gear sector is also an important component to realize the variable ratio of steering gears. Because of the eccentricity of the gear sector
the output ratio curve of steering gears will be affected
especially the variable ratio curve
and variation will occur. The coordinate system is established based on the geometric center point of the gear sector and the axis point of the pitman arm shaft respectively to calculate and analyze the instantaneous change of the ratio caused by the eccentric gear sector at each corner point. It is proposed to use the expected ratio of the steering gear to subtract the instantaneous change for correction. According to the instantaneous corrected ratio
the tooth profile surface of the eccentric gear sector is designed
which can enable the steering gear to output the expected ratio curve. At the same time
a simplified method for the ration correction ratio is proposed
and the error with the expected value can be controlled within 0.3%.
循环球式转向器偏心齿扇变传动比变间隙特性传动比修正期望变比曲线
Recirculating ball steering gearEccentric gear sectorVariable ratio of steering gearVariable clearance characteristicRatio of designing correctionExpecting variable ratio curve
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