| 摘要 |
PROBLEM TO BE SOLVED: To provide a curved path conveying method by a belt conveyor suitable for conveying a drilled object in the tunnel drilling work and preventing the conveyed object from dropping even on a sharp curved path. SOLUTION: A conveyed object is conveyed to the start end of a curved path with a continuous extension belt conveyor 1 which is a normal belt conveyor, then the conveyed object is conveyed along the curved path with auxiliary belt conveyors 2, 3, 4 which are linear portable belt conveyors with their end sections overlapped in sequence along the curved path, and the conveyed object is returned to the continuous extension belt conveyor 1 from the auxiliary belt conveyor 4 at the terminal end of the curved path.
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