摘要
掘进机是用于开凿平直地下巷道的机器。掘进机分为开敞式掘进机和护盾式掘进机。本次主要正对-EBZ160掘进机截割部进行设计,其主要由截割电动机、截割机构减速器、截割头、悬臂筒组成。
本文首先,掘进机国内外研究现状及截割部的结构及原理,通过对截割部结构及原理的分析,在此分析基础上提出了改进后的总体结构方案及传动机构方案;接着,对选择了各主要技术参数并且对各主要零部件进行了设计与校核,通过设计计算得到主要结构尺寸,而通过校核计算校核零件的强度;然后,绘制了螺旋千斤顶装配图及主要零部件图。
通过本次设计,得到了结构合理、工作可靠、性能优良的掘进机截割部,并且形成了一套通用的掘进机截割部设计流程及方法,有利于今后掘进机截割部的设计与制造。
关键词:掘进机;截割部;行星齿轮传动;设计
Abstract
Roadheader is a machi
ne used to dig straight u
ndergrou
nd roadway. The roadheader is divided i
nto ope
n type roadheader a
nd shield type roadheader. The cutti
ng part of EBZ160 roadheader is mai
nly desig
ned i
n this paper. It co
nsists of cutti
ng motor, cutti
ng mecha
nism reducer, cutti
ng head a
nd ca
ntilever barrel. Firstly, the research status of roadheader at home a
nd abroad a
nd the structure a
nd pri
nciple of cutti
ng sectio
n are i
ntroduced. Based o
n the a
nalysis of the structure a
nd pri
nciple of cutti
ng sectio
n, the improved overall structure scheme a
nd tra
nsmissio
n mecha
nism scheme are put forward. The
n, the mai
n tech
nical parameters are selected a
nd the mai
n compo
ne
nts are desig
ned a
nd checked. The mai
n structural dime
nsio
ns are obtai
ned through desig
n calculatio
n. The stre
ngth of the parts is checked by checki
ng calculatio
n, a
nd the
n the assembly drawi
ng a
nd the mai
n parts drawi
ng of the screw jack are draw
n. Through this desig
n, a reaso
nable structure, reliable work, excelle
nt performa
nce of the roadheader cutti
ng sectio
n is obtai
ned, a
nd a set of ge
neral desig
n process a
nd method of the roadheader cutti
ng sectio
n is formed, which is co
nducive to the desig
n a
nd ma
nufacture of the roadheader cutti
ng sectio
n i
n the future. Key words:Roadheader;Cutti
ng Sectio
n;Pla
netary Gear Tra
nsmissio
n; Desig
n 目录 摘要I Abstract II 第1章绪论1 1.1掘进机简介1 1.2国内外研究及发展现状1 1.2.1国外现状1 1.2.2国内现状1 第2章总体方案设计4 2.1设计任务4 2.2截割部总体方案4 2.3传动机构方案设计5 2.3.1齿轮传动的两大类型5 2.3.2行星机构的类型选择6 第3章设计计算10 3.1第一级齿轮传动10 3.1.1根据齿面接触疲劳强度计算10 3.1.2齿根弯曲疲劳强度校核12 3.2行星齿轮传动设计计算13 3.2.1配齿计算13 3.2.2初步计算齿轮的主要参数14 3.2.3啮合参数计算16 3.2.3几何尺寸的计算16 3.2.5装配条件的验算18 3.2.6传动效率的计算19 3.3行星齿轮强度的验算20 3.3.1高速级外啮合齿轮副中接触强度的校核20 3.3.2高速级外啮合齿轮副中弯曲强度的校核22 3.3.3高速级内啮合齿轮副中接触强度的校核24 3.3.4低速级外啮合齿轮副中接触强度的校核24 3.3.5低速级外啮合齿轮副中弯曲强度的校核26 3.3.6低速级内啮合齿轮副中接触强度的校核27 第四章结构设计29 4.1轴的设计29 4.1.1输入轴29 4.1.2中间轴29 4.1.3输出轴29 4.2内齿轮的设计30 4.3行星齿轮设计30 4.4转臂的设计30 4.5箱体及前后机盖的设计31 4.6齿轮联轴器的设计31 4.7标准件及附件的选用31 4.8密封和润滑32 总结33 致谢34 参考文献35 第1章绪论 1.1掘进机简介 掘进机是用于开凿平直地下巷道的机器。掘进机分为开敞式掘进机和护盾式掘进机。价格一般在上亿元人民币。主要由行走机构、工作机构、装运机构和转载机构组成。随着行走机构向前推进,工作机构中的切割头不断破碎岩石,并将碎岩运走。有安全、高效和成巷质量好等优点,但造价大,构造复杂,损耗也较大。 1.2国内外研究及发展现状
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ne used to dig straight u
ndergrou
nd roadway. The roadheader is divided i
nto ope
n type roadheader a
nd shield type roadheader. The cutti
ng part of EBZ160 roadheader is mai
nly desig
ned i
n this paper. It co
nsists of cutti
ng motor, cutti
ng mecha
nism reducer, cutti
ng head a
nd ca
ntilever barrel. Firstly, the research status of roadheader at home a
nd abroad a
nd the structure a
nd pri
nciple of cutti
ng sectio
n are i
ntroduced. Based o
n the a
nalysis of the structure a
nd pri
nciple of cutti
ng sectio
n, the improved overall structure scheme a
nd tra
nsmissio
n mecha
nism scheme are put forward. The
n, the mai
n tech
nical parameters are selected a
nd the mai
n compo
ne
nts are desig
ned a
nd checked. The mai
n structural dime
nsio
ns are obtai
ned through desig
n calculatio
n. The stre
ngth of the parts is checked by checki
ng calculatio
n, a
nd the
n the assembly drawi
ng a
nd the mai
n parts drawi
ng of the screw jack are draw
n. Through this desig
n, a reaso
nable structure, reliable work, excelle
nt performa
nce of the roadheader cutti
ng sectio
n is obtai
ned, a
nd a set of ge
neral desig
n process a
nd method of the roadheader cutti
ng sectio
n is formed, which is co
nducive to the desig
n a
nd ma
nufacture of the roadheader cutti
ng sectio
n i
n the future. Key words:Roadheader;Cutti
ng Sectio
n;Pla
netary Gear Tra
nsmissio
n; Desig
n 目录 摘要I Abstract II 第1章绪论1 1.1掘进机简介1 1.2国内外研究及发展现状1 1.2.1国外现状1 1.2.2国内现状1 第2章总体方案设计4 2.1设计任务4 2.2截割部总体方案4 2.3传动机构方案设计5 2.3.1齿轮传动的两大类型5 2.3.2行星机构的类型选择6 第3章设计计算10 3.1第一级齿轮传动10 3.1.1根据齿面接触疲劳强度计算10 3.1.2齿根弯曲疲劳强度校核12 3.2行星齿轮传动设计计算13 3.2.1配齿计算13 3.2.2初步计算齿轮的主要参数14 3.2.3啮合参数计算16 3.2.3几何尺寸的计算16 3.2.5装配条件的验算18 3.2.6传动效率的计算19 3.3行星齿轮强度的验算20 3.3.1高速级外啮合齿轮副中接触强度的校核20 3.3.2高速级外啮合齿轮副中弯曲强度的校核22 3.3.3高速级内啮合齿轮副中接触强度的校核24 3.3.4低速级外啮合齿轮副中接触强度的校核24 3.3.5低速级外啮合齿轮副中弯曲强度的校核26 3.3.6低速级内啮合齿轮副中接触强度的校核27 第四章结构设计29 4.1轴的设计29 4.1.1输入轴29 4.1.2中间轴29 4.1.3输出轴29 4.2内齿轮的设计30 4.3行星齿轮设计30 4.4转臂的设计30 4.5箱体及前后机盖的设计31 4.6齿轮联轴器的设计31 4.7标准件及附件的选用31 4.8密封和润滑32 总结33 致谢34 参考文献35 第1章绪论 1.1掘进机简介 掘进机是用于开凿平直地下巷道的机器。掘进机分为开敞式掘进机和护盾式掘进机。价格一般在上亿元人民币。主要由行走机构、工作机构、装运机构和转载机构组成。随着行走机构向前推进,工作机构中的切割头不断破碎岩石,并将碎岩运走。有安全、高效和成巷质量好等优点,但造价大,构造复杂,损耗也较大。 1.2国内外研究及发展现状
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