| 摘要 |
PROBLEM TO BE SOLVED: To facilitate the work of replacing the worn scraper of a vertical crusher provided with a plurality of rotor disks each of which is rotated in a casing and arranged at the prescribed intervals in the longitudinal direction of a rotary main shaft, hammers fit to each of the rotor disks, a plurality of scraper pins each of which is inserted into any of the through-holes arranged on the lower rotor disk at the prescribed intervals along the circumferential direction of the lower rotor disk and scrapers each of which is freely turnably fit to any of the scraper pins. SOLUTION: The scraper is replaced by removing a fall preventing member for preventing the fall of the scraper pin from an insertion hole and pulling out the scraper pin downward through a through-hole of a partition plate arranged in the lower part of the scraper. COPYRIGHT: (C)2005,JPO&NCIPI
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