纺织学报 ›› 2022, Vol. 43 ›› Issue (05): 170-177.doi: 10.13475/j.fzxb.20210600108

• 机械与器材 • 上一篇    下一篇

纺织装备行星齿轮传动系统修形研究

莫帅1,2(), 刘志鹏1,2, 罗炳睿1,2, 岑国建3, 徐家科3, 高瀚君4   

  1. 1.天津工业大学 机械工程学院, 天津 300387
    2.天津市现代机电装备技术重点实验室, 天津 300387
    3.宁波中大力德智能传动股份有限公司, 浙江 宁波 315301
    4.北京航空航天大学 虚拟现实技术与系统国家重点实验室, 北京 100191
  • 收稿日期:2021-06-01 修回日期:2022-02-06 出版日期:2022-05-15 发布日期:2022-05-30
  • 作者简介:莫帅(1987— ),男,副教授,博士。主要研究方向为现代纺织装备。E-mail: moshuai2010@163.com
  • 基金资助:
    国家自然科学基金项目(51805368);中国科协青年人才托举工程项目(2018QNRC001);中国纺织工业联合会应用基础研究项目(J201806)

Research on modification of planetary gear transmission system used in textile machineries

MO Shuai1,2(), LIU Zhipeng1,2, LUO Bingrui1,2, CEN Guojian3, XU Jiake3, GAO Hanjun4   

  1. 1. School of Mechanical Engineering, Tiangong University, Tianjin 300387, China
    2. Tianjin Modern Electromechanical Equipment Technology Key Laboratory, Tianjin 300387, China
    3. Ningbo Zhongda Leader Transmission Equipment Co., Ltd., Ningbo, Zhejiang 315301, China
    4. State Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing 100191, China
  • Received:2021-06-01 Revised:2022-02-06 Published:2022-05-15 Online:2022-05-30

摘要:

为达到纺织装备用行星减速器高传动效率和低噪音等要求,构建行星减速器三维数字化样机,并以此基础对该减速器第二级行星齿轮传动系统进行接触分析和齿面修形研究。以齿轮传动误差、啮合刚度、齿面法向力为评价指标对行星齿轮进行修形分析,通过改变不同修形参数分析其对修形指标参数的影响,最终确定行星齿轮传动系统的最佳修形方案。研究表明:行星齿轮传动系统的传动误差峰峰值由未修形时的0.68 μm降为修形后的0.25 μm,降低了约63%;齿面法向力和轮齿啮合刚度不同程度减小,改善了行星齿轮啮入、啮出冲击,有效提高了行星齿轮传动系统的传动效率,对行星齿轮传动系统的减振降噪提供了参考。

关键词: 行星传动, 齿轮修形, 传动误差, 齿面法向力, 啮合刚度, 纺织装备

Abstract:

In order to meet the requirements of high transmission efficiency and low noise of the planetary reducer for textile machineries, a three-dimensional digital prototype of the planetary reducer was constructed, and on this basis, the contact analysis and tooth surface modification research of the second-stage planetary gear transmission system of the reducer were carried out. The gear transmission error, meshing stiffness, and tooth surface normal force were used as evaluation indexes to study the modification of the planetary gear. By changing modification parameters to analyze its influence on the modification index parameters, the best modification plan of the planetary gear system was finalized. Studies show that the peak transmission error of the planetary gear transmission system is reduced from 0.68 μm before modification to 0.25 μm after modification, reducing by about 63%. The normal force of the tooth surface and the meshing rigidity of the gear teeth are reduced to varying degrees and improved. The impact of the planetary gear meshing in and out is effectively improved, and the transmission efficiency of the planetary gear transmission system is effectively improved, and it provides a reference for the vibration and noise reduction of the planetary gear transmission system.

Key words: planetary transmission, gear modification, transmission error, tooth surface normal force, meshing stiffness, textile machinery

中图分类号: 

  • TH132

图1

齿廓修形示意图 注:图中曲线是修形曲线,Caa为齿顶最大修形量; Caf为齿根最大修形量;dCa为齿顶修形起始点, dNa为终止点;dCf为齿根修形起始点,dNf为终止点; Lca为齿顶修形长度,Lcf为齿根修形长度。"

图2

齿向修形示意图"

表1

第2级行星齿轮参数"

齿轮 齿数 模数/mm 压力角/(°) 螺旋角/(°) 齿宽/mm
太阳轮 30 0.85 20 12 17
行星轮 30 0.85 20 12 16
内齿轮 90 0.85 20 12 18

图3

精密行星减速器"

图4

不同修形曲线时传动误差和传动误差均方差"

图5

不同齿廓修形量的传动误差和法向力"

图6

太阳轮-行星轮啮合刚度"

图7

行星轮-内齿圈啮合刚度"

图8

不同齿向修形量的传动误差和法向力"

图9

综合修形不同修形量的传动误差和法向力"

图10

行星轮接触区"

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