变双曲圆弧齿线圆柱齿轮传动喷油润滑分析

doi:10.13229/j.cnki.jdxbgxb.20240178

摘要/Abstract

摘要：

为探究喷油润滑环境下变双曲圆弧齿线圆柱齿轮因其特殊齿形引发的复杂气流行为对齿面润滑效果的影响机理，本文通过计算流体动力学对其计算流域建模并进行简化与仿真计算，分析高速气体流场与喷油束产生的干涉问题并通过流线图确定最佳的喷油角度。提取检测面上的油液分布、平均油液体积分数及油压，得到不同喷油参数对齿面润滑的影响规律。结果表明：喷油角度偏向主动轮10.73°，同时适当增大喷油速度、减小喷油距离以及降低齿轮转速，可以提高齿轮传动的润滑效果。研究可为该齿轮传动的喷油润滑系统以及冷却系统的设计与参数优化提供理论基础。

关键词: 变双曲圆弧齿线圆柱齿轮, 计算流体动力学, 喷油润滑, 齿面平均油液体积分数

Abstract:

In order to investigate the influence mechanism of complex gas flow behaviour on the lubrication effect of cylindrical gear with variable hyperbolic circular-arc-tooth trace under oil injection lubrication environment due to its special tooth shape. The computational fluid dynamics is used to model the computational basin， simplify and simulate the calculation， analyse the interference between the high-speed gas flow field and the oil injection beam， and determine the optimal oil injection angle through the streamline diagram. The oil distribution， average oil volume fraction and oil pressure on the inspection surface were extracted， and the influence of different oil injection parameters on the lubrication of the tooth surface was obtained. The results show that the lubrication effect of the gear transmission can be improved by biasing the oil injection angle towards the main wheel by 10.73o， and by increasing the oil injection speed， decreasing the oil injection distance， and lowering the gear rotation speed appropriately. The findings of this study provide a theoretical basis for the design and parameter optimisation of the oil injection lubrication system and cooling system of the gear transmission.

Key words: cylindrical gear with variable hyperbolic circular-arc-tooth trace, computational fluid dynamics, injection lubrication, average oil volume fraction of tooth surface

中图分类号:

V232.8

魏永峭,黄康俊,郭瑞,罗岚. 变双曲圆弧齿线圆柱齿轮传动喷油润滑分析[J]. 吉林大学学报(工学版), 2025, 55(11): 3463-3475.

Yong-qiao WEI,Kang-jun HUANG,Rui GUO,Lan LUO. Analysis of lubrication flow field of cylindrical gear with variable hyperbolic circular-arc-tooth trace with oil injection[J]. Journal of Jilin University(Engineering and Technology Edition), 2025, 55(11): 3463-3475.

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