吉林大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (1): 122-128.doi: 10.13229/j.cnki.jdxbgxb201701018

• 论文 • 上一篇    下一篇

三轴正时链系统的磨损及其限定条件

范成岩1, 许树新1, 王洪军2, 孟繁忠1   

  1. 1.吉林大学 链传动研究所,长春 130022;
    2.杭州东华链条集团有限公司,杭州 311102
  • 收稿日期:2015-09-18 出版日期:2017-01-20 发布日期:2017-01-20
  • 通讯作者: 许树新(1964-),男,教授,博士.研究方向:链传动理论及应用.E-mail:xushuxin@jlu.edu.cn
  • 作者简介:范成岩(1962-),男,副教授.研究方向:链传动理论及应用.E-mail:fancy40@163.com
  • 基金资助:
    国家自然科学基金项目(51275207).

Wear and limiting condition of three-axial timing chain system

FAN Cheng-yan1, XU Shu-xin1, WANG Hong-jun2, MENG Fan-zhong1   

  1. 1.Chain Transmission Institute,Jilin University,Changchun 130022,China;
    2.Hangzhou Donghua Chain Co., Ltd., Hangzhou 311102, China
  • Received:2015-09-18 Online:2017-01-20 Published:2017-01-20

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摘要： 在已知汽车发动机正时链系统几何布局的基础上,研究了进、排气凸轮轴的滞后角对发动机配气相位的影响,进而提出了正时链极限磨损伸长率的限定条件。设计了符合发动机正时链实际装机运行的并兼顾链轮与链条的啮合冲击等情况的可靠性试验方法,通过进气凸轮轴单边加载正时链系统模拟试验台,进行了国产正时齿形链系统和MORSE正时齿形链系统的怠速和交变负荷模拟试验。结果显示,初期磨损约占全部磨损伸长的四分之一以上,这表明控制零件制造精度、保证装配质量可以显著提高正时齿形链使用寿命,同时张紧器柱塞的随动响应特性也是提高正时链系统动力特性的关键因素。

关键词: 机械设计, 汽车发动机, 正时齿形链, 张紧器, 磨损特性

Abstract: On the basis of geometric layout of the timing chain system of the automobile engine, the influence of the lag angle of camshaft on phase change of the timing chain system is studied, and the constraint conditions of the timing chain wear limit elongation are put forward. According to the working condition of high speed, variable speed and variable load, the reliability test rule of the actual loading chain of the engine is designed. The rule also covers the sprocket and chain meshing impact. The idle speed and alternating load simulation tests of the domestic timing chain system and the MORSE timing chain system are carried out on a positive timing chain system simulation test bench. Results show that the initial wear is about more than 1/4 of the total wear elongation, which indicates that controlling the manufacturing precision of the parts and ensuring the assembly quality can significantly improve the service life of the timing chain. Meanwhile the dynamic response characteristics of tension the device are the key factors to improve the timing chain system dynamic characteristics.

Key words: mechanical design, automotive engine, timing silent chain, tension device, wear characteristics

中图分类号: 

  • TH132
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