Abstract: Abstract:The original driving device for boom belt conveyer of bucket wheel stackerreclaimer from Jiangsu Huadian Qishuyan Power Generation Company Limited was designed unreasonably, which caused that the fault occurred frequently, the maintenance workload increased, the requirement of maintenance technology increased, and the maintenance occupied long time. So there was larger hidden trouble in the system. The driving device for the boom belt conveyer of bucket wheel stackerreclaimer was changed. The original hydraulic coupling was replaced by steel ball coupling. The rational and reliable driving device was designed, which can meet the production safety requirement.

Key words: Keywords:bucket wheel machine；driving device, electric driven roller, design, reducer, coupling