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介绍了目前不伸缩EBZ132型掘进机在煤矿开采中存在的不足,阐述了研制出截割头可伸缩掘进机的必要性,在现有的EBZ132型掘进机的基础上对部分元部件进行了改进设计,设计了伸缩型截割机构,并介绍其主要改进原则及工作原理。
The deficiencies of EBZ132 TBM in coal mining are introduced. The necessity of developing TBM with cutting head is introduced. Some of the components are improved on the basis of the existing EBZ132 boring machine Design and design of retractable cutting mechanism, and describes the main improvement principles and working principle.