矿用提升绞车关键部件优化设计研究

发布时间：2018-04-05 00:06

本文选题：矿用提升绞车　切入点：主轴　出处：《华北理工大学》2017年硕士论文

【摘要】：矿用提升绞车作为矿山内的重要枢纽,承载着井上和井下人员以及煤矿的运载与提升作用,因此对于提升绞车的安全性要求也会越来较高。唐山某矿提升绞车的关键部件——主轴以及滚筒发生了不同程度的疲劳损坏,给采矿作业埋下了很深的安全隐患。因此对提升绞车的关键部件的从新设计就成了重中之重的工作,这对于保证工作人员的安全以及保证安全的采煤作业有着重要的意义。以某矿六号井的提升绞车为例,对主轴以及滚筒依据原模型进行了有限元分析,验证的提升绞车原关键部件刚强度不足,易于发生故障;然后对提升绞车关键部件进行了重新设计及分析研究按照以往的主轴结构以及实际的工作环境,确定出主轴的直径以及长度尺寸,接着对主轴进行了理论方面的强度校核,其次利用Solid Works三维建模软件建立了虚拟模型,随之将模型导入到ANSYS Workbench有限元分析软件中,对主轴常规工作情况下的六种工况进行了强度分析,验证了主轴结构满足刚强度要求,与理论计算的结果相一致,并对主轴进行了疲劳寿命分析,证实了主轴具有足够的使用寿命;然后对滚筒进行了设计,参照原滚筒模型以及理论方面的设计,确定了滚筒的结构,类比于对主轴的分析,建立起滚筒的三维模型并导入到有限元分析软件中,选择一种滚筒受力最大的工况进行强度验算,证实了滚筒结构满足使用要求。最终确定关键部件的优化尺寸,即主轴各轴段直径增大40mm,滚筒直径增加1m,得出主轴的结构以及滚筒的结构满足实际生产要求。
[Abstract]:As an important hub in the mine, the lifting winch is carrying the transportation and lifting action of the personnel in the well and underground as well as the coal mine, so the safety requirements of the hoisting winch will be higher and higher.The main shaft and roller, the key parts of lifting winch in Tangshan Mine, have been damaged by fatigue to varying degrees, which has laid a deep hidden danger for mining operation.Therefore, the new design of the key parts of the lifting winch has become the most important work, which is of great significance to ensure the safety of the staff and the safe mining operation.Taking the lifting winch of No. 6 well in a certain mine as an example, the main shaft and drum are analyzed by finite element method according to the original model. It is verified that the original key parts of the hoisting winch are not strong enough and prone to failure.Then the key parts of the hoist are redesigned and analyzed. According to the previous spindle structure and actual working environment, the diameter and length of the spindle are determined, and the strength of the spindle is checked in theory.Secondly, the virtual model is established by using Solid Works 3D modeling software, and then the model is imported into the ANSYS Workbench finite element analysis software. The strength analysis of six kinds of working conditions of spindle is carried out, which verifies that the spindle structure meets the requirements of rigid strength.In accordance with the theoretical calculation, the fatigue life of the spindle is analyzed, which proves that the spindle has sufficient service life, and then the drum is designed, referring to the original cylinder model and the design of the theory.The structure of the drum is determined, compared with the analysis of the main shaft, the three-dimensional model of the drum is established and imported into the finite element analysis software, and the strength checking calculation is carried out under a working condition where the cylinder has the greatest force, which proves that the structure of the drum meets the requirements of application.Finally, the optimization size of the key parts is determined, that is, the diameter of the spindle shaft increases by 40mm and the diameter of the drum increases by 1m. the structure of the spindle and the structure of the drum can meet the actual production requirements.
【学位授予单位】：华北理工大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TD53

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