Aiming at the difficulty,complexity,and high cost of replacing the broken wheel bearings of the portal crane's walking mechanism during long-term operation,a new type of wheel bearings replacement process is proposed.The process involves modifying the original walking mechanism housing,motor,and wheel bearings to extend their service life,improve maintenance efficiency,and reduce maintenance costs.
关键词
门座起重机/行走台车/车轮轴承/更换工艺
Key words
portal crane/walking trolley/wheel bearings/replacement process