黑岱沟露天煤矿8750-65型吊斗铲提升和回拉滚筒端轴失效分析及解决方案  

Failure analysis and solution of 8750-65 bucket lifting and pulling roller end shaft inHeidaigou Open-pit Coal Mine

作　　者：王欣欣 WANG Xinxin(Equipment Repair Center,China Energy Group Zhunge’er Energy Co.,Ltd.,Ordos 010300,China)

机构地区：[1]国能准能集团有限责任公司设备维修中心,内蒙古鄂尔多斯010300

出　　处：《露天采矿技术》2024年第5期100-103,共4页Opencast Mining Technology

摘　　要：为了解决8750-65型迈步式吊斗铲提升和回拉滚筒端轴和轴承失效故障,基于吊斗铲提升和回拉系统驱动电机和滚筒安装结构,以及无齿轮传动电机直驱模式下滚筒轴承和端轴的工作负荷变化以及受力情况;分析了轴承失效原因,并给出了相应的解决方案。In order to solve the failure of the end shaft and bearing of the lifting and pulling drum of the 8750-65 stepping bucket shovel,based on the driving motor and drum installation structure of the bucket shovel lifting and pulling system,as well as the changes in the working load and force situation of the drum bearing and end shaft under the direct drive mode of the gearless transmission motor,the article analyzes the causes of bearing failure and provides the corresponding solutions.

关 键 词：迈步式吊斗铲 无齿轮传动 提升和回拉滚筒 超大型轴承 轴失效 

分 类 号：TD422.23[矿业工程—矿山机电]