摘要
针对硬岩掘进机(TBM)强振动环境下的液压弯管传递效率降低和损坏的问题,提出了以振动功率流的方法来研究管道的振动特性.首先,根据应力与功率的关系,建立了弯管振动功率流计算模型.然后,通过仿真分析探究了不同基础振动参数和弯管结构参数对弯管的应力影响规律,并给出了弯管的总功率和振动功率流的计算方法.最后,采用正交试验分析了弯管结构参数的影响主次顺序,优化了管道的结构参数并使管道振动功率流降低了30.52%,同时提出了基础振动下弯管的设计流程.结果表明,本文所提出的分析方法能为基础振动下弯管的设计和选型提供理论依据.
The vibration characteristics of the bend pipe were studied by means of vibration power flow,as the problems of transmission efficiency reduction and structure damage for the hydraulic bend pipe of Hard Rock Tunnel Boring Machine(TBM)occur under the environment of strong vibration.Firstly,the calculation model of the elbow vibration power flow was established by the relationship between stress and power.Then,the influence rules of different basic vibration parameters and the elbow structure parameters on the stress were investigated through simulation,and the calculation method of total power and vibration power flow was given.Finally,the structure parameters of pipeline were optimized to reduce the vibration power flow of pipeline by 30.52%,and the design process of bend pipeline was proposed.The results show that the analytical method can provide the theoretical basis for the design and selection of the bend pipe.
作者
张怀亮
瞿维
李卫
刘森
ZHANG Huailiang;QU Wei;LI Wei;LIU Sen(State Key Laboratory of High Performance and Complex Manufacturing,Central South University,Changsha 410083,China;College of Mechanical and Electrical Engineering,Central South University,Changsha 410083,China)
出处
《湖南大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2018年第10期9-16,共8页
Journal of Hunan University:Natural Sciences
基金
国家重点基础研究发展计划(973计划)资助项目(2013CB035400)~~
关键词
硬岩掘进机(TBM)
振动功率流
基础振动参数
结构参数
正交试验
Hard Rock Tunnel Boring Machine(TBM)
vibration power flow
basic vibration parameters
structure parameters
orthogonal test
