振动筛激振器斜齿轮中心距对其动力学特性的影响分析——仿真实验与科研实践联动的案例设计  

Influence analysis of the helical gear pair’s center distance of vibration screen exciter on its dynamic characteristics:Case design for the linkage between simulation experiments and scientific research

作　　者：程晓涵[1] 李宗吾 王亚洲 丁南钦 路雨欣 王萌[1] CHENG Xiaohan;LI Zongwu;WANG Yazhou;DING Nanqin;LU Yuxin;WANG Meng(School of Mechanical Electronic&Information Engineering,China University of Mining and Technology(Beijing),Beijing 100083,China)

机构地区：[1]中国矿业大学(北京)机电与信息工程学院,北京100083

出　　处：《实验技术与管理》2023年第9期220-228,259,共10页Experimental Technology and Management

基　　金：中国矿业大学(北京)本科教育教学改革与研究项目(J220417);中央高校基本科研业务费专项资金项目(2022YQJD05);国家自然科学基金项目(U13611151)。

摘　　要：该文借助数值仿真技术设计了具有煤矿行业特色的仿真实验与科研实践联动的项目案例。该案例以矿用振动筛激振器的关键部件斜齿轮副为研究对象,建立了振动筛激振系统虚拟样机,确定了斜齿轮副的复杂工况点和危险工况点,计算了标准中心距和非标准中心距下的疲劳寿命。深入研究了非标中心距下斜齿轮副中心距的动态波动特征和动力学振动响应特性,得出非标中心距不仅可以消除“挤齿”现象,而且能使啮合传动更加平稳。经过仿真实验与科研实践联动的案例训练,促进了学生专业知识的内化吸收,以及学生综合实践能力和工程创新能力的培养。This article uses numerical simulation technology to design a project case that combines simulation experiments and scientific research practices with the characteristics of the coal mining industry.The case takes the helical gear pair,the key component of the vibration exciter of the mining vibrating screen,as the research object,establishes the virtual prototype of the vibration exciter system of the vibrating screen,determines the complex working conditions and dangerous working conditions of the helical gear pair,and calculates the fatigue life under the standard center distance and non-standard center distance.The dynamic fluctuation characteristics and dynamic vibration response characteristics of center distance of helical gear pair under non-standard center distance are studied.It is concluded that non-standard center distance can not only eliminate the phenomenon of“tooth squeezing”,but also make the meshing transmission more stable.Through case training combined with simulation experiments and scientific research practice,it has promoted the internalization and absorption of students’professional knowledge,as well as the cultivation of students’comprehensive practical and engineering innovation abilities.

关 键 词：振动筛激振器 斜齿轮副 中心距 动力学特性 联动案例设计 

分 类 号：TH132.4[机械工程—机械制造及自动化]