| 半自磨机衬板螺栓断裂的解决方案 |
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| 引用本文： | 陈松战,刘建平,唐必亮,王继光,韩春阳,周洁. 半自磨机衬板螺栓断裂的解决方案[J]. 矿山机械, 2019, 47(8): 38-42 |
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| 作者姓名： | 陈松战 刘建平 唐必亮 王继光 韩春阳 周洁 |
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| 作者单位： | 中信重工机械股份有限公司 河南洛阳 471039;洛阳矿山机械工程设计研究院有限责任公司 河南洛阳 471039;矿山重型装备国家重点实验室 河南洛阳 471039 |
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| 摘 要： | 阐述了矿用半自磨机出料端衬板的基本结构,利用有限元仿真软件分析了现有半自磨机出料端衬板紧固螺栓断裂的原因。提出了一种改进后的衬板紧固螺栓结构,优化了紧固螺栓的预紧力矩以及紧固顺序,有效解决了半自磨机出料端衬板螺栓断裂的问题,极大地提高了磨机运行的安全性以及生产效率。
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| 关 键 词： | 半自磨机 出料端衬板 紧固螺栓 螺栓断裂 生产效率 |
Solution on breaking of liner bolt of SAG mill |
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| CHEN Songzhan,LIU Jianping,TANG Biliang,WANG Jiguang,HAN Chunyang,ZHOU Jie. Solution on breaking of liner bolt of SAG mill[J]. Mining & Processing Equipment, 2019, 47(8): 38-42 |
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| Authors: | CHEN Songzhan LIU Jianping TANG Biliang WANG Jiguang HAN Chunyang ZHOU Jie |
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| Affiliation: | (CITIC Heavy Industries Co.,Ltd.,Luoyang 471039,Henan,China;Luoyang Mining Machinery Engineering Design Institute Co.,Ltd.,Luoyang 471039,Henan,China;State Key Laboratory of Mining Heavy Equipment,Luoyang 471039,Henan,China) |
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| Abstract: | The paper described the overall structure of the liner at discharge end of the mine-used SAG(semiautogenous grinding) mill, and analyzed the breaking cause of the joint bolt for the liner at the discharge end of the SAG mill by using finite element simulation software. And then, it proposed an improved joint bolt for the liner, its pre-tightening torque and tightening sequence were optimized, thus the breaking of the liner bolt at the discharge end of the SAG mill effectively avoided. Therefore, the operation safety and the productivity of the mill remarkably enhanced. |
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| Keywords: | SAG(semi-autogenous grinding) mill liner at discharge end joint bolt breaking of bolt productivity |
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