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为加快西康线秦岭隧道建设，铁道部从德国维尔特公司引进两台ＴＢ８８０Ｅ型全断面隧道掘进机。该机除电驱动掘进工况外，主机各主要执行机构均为液压传动，液压系统装机功率大，元件数量多，电控液控关系复杂。主机液压系统具有如下特点。１结构性设计特点１．１泵站与油...
In order to speed up the construction of Qinling Tunnel on Xikang Line, the Ministry of Railways introduced two TB880E full-face tunnel boring machines from Wirtt, Germany. The machine is driven by electricity in addition to driving conditions, the main implementing agencies are hydraulic actuators, hydraulic system installed power, the number of components, electronic control of liquid-controlled complex relationship. Host hydraulic system has the following characteristics. 1 structural design features 1.1 pump station with oil ...