| 490柴油机配气机构的改进设计 |
| |
| 引用本文： | 郭星野,樊文欣. 490柴油机配气机构的改进设计[J]. 机械制造与自动化, 2011, 40(1) |
| |
| 作者姓名： | 郭星野 樊文欣 |
| |
| 作者单位： | 中北大学机电工程学院,山西太原,030051 |
| |
| 摘 要： | 针对490柴油机配气存在的问题和缺陷,进行了改进设计,采用每缸2个气门的方案。完成了配气机构的设计,包括有进、排气门的设计;气门大小弹簧的设计;以及凸轮轴的设计。应用Matlab程序编程,采用余弦型缓冲曲线的对称型五项式高次方凸轮,绘出了挺柱升程、速度、加速度曲线。
|
| 关 键 词： | 柴油机 配气机构 凸轮轴 气门 |
Improved Design of Valve Actuating Mechanism for 490 Diesel Engine |
| |
| GUO Xing-ye,FAN Wen-xin. Improved Design of Valve Actuating Mechanism for 490 Diesel Engine[J]. Machine Building & Automation, 2011, 40(1) |
| |
| Authors: | GUO Xing-ye FAN Wen-xin |
| |
| Affiliation: | GUO Xing-ye,FAN Wen-xin(North University of China,College of Mechanical and Electical Engineering,Taiyuan 030051,China) |
| |
| Abstract: | This improved design is to aim at issue and defect of 490 diesel engine,each cylinder with two valves.This article designs the valve actuating mechanism,including the design of the enter and exhaust valve,its big and small spring,as well as the cam shaft.The symmetry five type high power of exponent cam is used with the cosine cushion curve computing by Matlab procedure programming to obtain the lift,the speed and the acceleration curves of tappet. |
| |
| Keywords: | diesel engine valve actuating mechanism camshaft valve |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
