工程设计学报2017，Vol.24Issue(3)：317-322,6.DOI:10.3785/j.issn.1006-754X.2017.03.011
多点分布载荷下TBM刀盘系统振动响应分析
Vibration response analysis of TBM cutterhead system under multi-point distributed loads
摘要
Abstract
Cutterhead system is the core component of TBM (tunnel boring machine) equipment , which works in extremely poor conditions .Due to the excessive vibration ,the abnormal failure of key components will occur and it can influence the whole machine efficiency .Hence ,it is necessa-ry to study the dynamic characteristics of the TBM cutterhead system and analyze the influence of different parameters on vibration response ,w hich can provide a theoretical basis for the system design and parameter matching .Based on the dynamics model of TBM cutterhead system ,a TBM cutterhead system of a diversion project was taken as an application instance ,the parameter influ-ence laws of cutterhead vibration response under spatial multi-point distributed loads were ana-lyzed .The results showed that the cutterhead vibration was the smallest when the mass ratio of cutterhead piece was controlled in the range of 13%-14% .Moreover ,the cutterhead radial and torsional vibration fluctuations were relatively obvious when the rotate speed was higher than 2 r/min ,and a series of peak mutation speed points were obtained .Furthermore ,when the driving pinions were arranged in a uniform distribution ,the cutterhead radial vibration was the smallest , and the vibration amplitude was smaller nearly 30% than that of the non-uniform arrangement . The analysis results can guide the structural design of cutterhead and system parameters matching .关键词
TBM/多点分布载荷/刀盘系统/振动响应/参数影响Key words
TBM/multi-point distributed loads/cutterhead system/vibration response/parame-ter influence分类
机械制造引用本文复制引用
凌静秀,孙伟,杨晓静,童昕..多点分布载荷下TBM刀盘系统振动响应分析[J].工程设计学报,2017,24(3):317-322,6.基金项目
国家重点基础研究发展计划(973计划)资助项目(2013CB035402) （973计划）
福建省自然科学基金资助项目(2017J01675) （2017J01675）
福建省科技创新平台建设项目(2014H2002) （2014H2002）
福建工程学院校科研启动基金资助项目(GY-Z160048) （GY-Z160048）
