论文摘要
The accurate performance evaluation of a cutterhead is essential to improving cutterhead structure design and predicting project cost. Through extensive research, this paper evaluates the performance of a tunnel boring machine(TBM) cutterhead for cutting ability and slagging ability. This paper propose cutting efficiency, stability, and continuity of slagging as the evaluation indexes of comprehensive cutterhead performance. On the basis of research of true TBM engineering applications, this paper proposes a calculation method for each index. A slagging efficiency index with a ratio of the maximum di erence between the slagging amount and average slagging is established. And a slagging stability index with a ratio of the maximum slagging fluctuation and average slagging is presented. Meanwhile, a cutting efficiency index by the weighed average value of multistage rock fragmentation of a cutter’s specific energy is established. The Robbins and China Railway Construction Corporation(CRCC) cutterheads are evaluated. The results show that under the same thrust and torque, the slagging stability of the CRCC scheme is worse, but the slagging continuity of the CRCC scheme is better. The cutting ability index shows that the CRCC cutterhead is more efficient.
论文目录
文章来源
类型: 期刊论文
作者: Ye Zhu,Wei Sun,Junzhou Huo,Zhichao Meng
来源: Chinese Journal of Mechanical Engineering 2019年06期
年度: 2019
分类: 工程科技Ⅱ辑
专业: 水利水电工程
单位: School of Mechanical and Engineering, Dalian Jiaotong University,School of Mechanical and Engineering, Dalian University of Technology
基金: Supported by National basic research program of China(973 Project,Grant No.2013CB035400),National Natural Science Foundation of China(Grant No.51375001),Major Projects of Liaoning Science and Technology Plan(Grant No.2015106016),Basic Research Project of Central University(Grant No.DUT16QY11)
分类号: TV554
页码: 82-94
总页数: 13
文件大小: 2685K
下载量: 19