In response to multiple spindle fracture accidents of the circulating water pump in a certain factory's heating network dur-ing operation,the pump body was disassembled and inspected to examine the fracture morphology of the pump shaft.And calculate the shear stress of the pump shaft under design conditions and different operating conditions,analyze the situation of shear stress exceeding the limit and the cause of pump shaft fracture.And targeted risk control measures such as optimizing the pump shaft structure and reducing the stress concentration coefficient of typical cleaning surfaces were proposed.
关键词
热网循环水泵/主轴断裂/剪切应力/防范措施
Key words
heating network circulating water pump/main shaft fracture/shear stress/preventive measures
维普
万方数据