| 摘要 |
PROBLEM TO BE SOLVED: To provide a belt conveyor apparatus, shortening the time required for mucking work while making the most of conveying advantage of excavation muck using a belt conveyer without requiring large-scale equipment. SOLUTION: The excavation muck generated by blasting a working face is conveyed using a belt conveyor apparatus M. The belt conveyor apparatus M includes a belt conveyor part 1 expanded and contracted in the longitudinal direction. The belt conveyor part 1 includes three belt conveyors, a first belt conveyor 10A to a third belt conveyor 10C. Among these, the third belt conveyor 10C and the second belt conveyor 10B disposed at the upper end are delivered forward ahead of a base truck 3 to thereby expand the belt conveyor part 1. COPYRIGHT: (C)2011,JPO&INPIT
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