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盾构主驱动减速机失效原因分析
收稿日期: 2013-10-24
修回日期: 2013-12-19
网络出版日期: 2014-02-27
Analysis on Causes for Failure of Main Drive Reducer of Shield Machine
Received date: 2013-10-24
Revised date: 2013-12-19
Online published: 2014-02-27
常孔磊 , 赵新合 , 李大伟 . 盾构主驱动减速机失效原因分析[J]. 隧道建设, 2014 , 34(2) : 173 -177 . DOI: 10.3973/j.issn.1672-741X.2014.02.015
In this paper, the causes for the failure of the main drive reducer of shield machines are studied in terms of 〖HJ2mm〗synchronism of electric motor, disassembly of damaged reducer, break of safety axis and boring parameters of shield machine, with the shield machine for the 500 kV power tunnel in Haidian District in Beijing as an example.The main causes for the failure of the main drive reducer of the shield machine are as follows: 1) Irrational boring parameters; 2) Failure of rolling bearing of the 2nd grade and the tertiary reducers.The paper can provide reference for shield boring and reducer failure treatment in the future.
Key words: shield; main drive reducer; failure; cause analysis
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