High-efficiency tunneling process and device for fully-mechanized tunneling of large-gradient top coal

• Main Authors: WANG DONGLIANG, ZUO CHANGQING, GUO JINXING, ZHANG JINGLONG, ZHOU BO, DING XIYANG, ZHOU HAIYONG, LIU ZUNGANG, ZHANG YANG, WU SHIQUAN
• Format: Patent
• Language: Chinese; English
• Published: 13.06.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; MINING OR QUARRYING

The invention relates to the technical field related to coal mine construction, in particular to a large-gradient top coal fully-mechanized excavation efficient tunneling process and device, and the large-gradient top coal fully-mechanized excavation efficient tunneling process comprises the install...