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美国罗宾斯公司于1978年5月试制了一台241SB—184型竖井掘进机,1978年秋进行首次现场试验。机器的设计是基于平巷掘进方法的启发下搞成的,设计成井速度为每天12.2米(包括井壁支护)。下面将机器结构和使用分别作一介绍。一、机器的结构241SB—184型竖井掘进机外形见图1
The United States Robbins Corporation in May 1978 trial production of a 241SB-184 shaft boring machine, the autumn of 1978 the first field test. The design of the machine was inspired by the drifting approach and was designed to run at a well speed of 12.2 meters per day (including borehole support). The following will be the machine structure and use of a presentation. First, the structure of the machine 241SB-184 shaft boring machine shape shown in Figure 1