电牵引采煤机牵引部分的设计.doc

课题：电牵引采煤机牵引部的设计 专业：机械设计制造及其自动化 学生： （签名） 指导教师： （签名） 摘 要 电牵引采煤机如今已经被广泛的应用于各类中厚型煤层的工作面，功率越来越大，技术也越来越先进。 牵引部是采煤机的重要组成部分，在此次设计中，首先通过两种不同方案的对比，选取合理优化的方案来设计，其次，通过对两级直齿轮和两级行星轮减速器的选材、确定尺寸、并进行各种校核来满足设计的要求。以及完成轴得计算和校核、轴承的选用和行走轮的介绍，来完成设计任务。最后，根据结果绘制所需要的总体装配图和各零件图，完成此次采煤机牵引部的设计。 关键词：采煤机；牵引部；设计。 Subject: The Coal winning machine’Traction design Abstract Electric traction shearer has now been working facing is widely used in all kind of thick coal seam,power is more and more big,the technique is more and more advanced . Traction department is an important part of the coal mining machine,in this design,first of all,through two different schemes comparison ,and select a reasonable optimization scheme to design,secondly,through material selection,the two stage gear and the two stage planetary gear reducer is to determine the size,and various checking to meet the design requirements.And the selection and a walking wheel is introduced to calculate and check shaft ,bearing ,complete the design task.Finally,according to the results of draw general assembly drawing and part drawing required completed the design of traction shearer. Keywords： Coal winning machine, Traction,Design. 目录 TOC \o 1-3 \h \u HYPERLINK \l _Toc7851 1 绪论 PAGEREF _Toc7851 1 HYPERLINK \l _Toc15120 1.1采煤机的发展史 PAGEREF _Toc15120 1 HYPERLINK \l _Toc21377 1.1.1国外电牵引采煤机发展状况 PAGEREF _Toc21377 2 HYPERLINK \l _Toc0 1.1.2国内电牵引采煤机的现状 PAGEREF _Toc0 4 HYPERLINK \l _Toc7426 1.1.4采煤机的概述 PAGEREF _Toc7426 6 HYPERLINK \l _Toc4782 1.1.5设计的目的和意义 PAGEREF _Toc4782 8 HYPERLINK \l _Toc28419 2 采煤机牵引部的方案设计 PAGEREF _Toc28419 9 HYPERLINK \l _Toc30632 2.1方案选型 PAGEREF _Toc30632 9 HYPERLINK \l _Toc17344 2.1.1牵引部电动机的选用 PAGEREF _Toc17344 10 HYPERLINK \l _Toc12434 2.1.2牵引部传动比分配 PAGEREF _Toc12434 12 HYPERLINK \l _Toc11580 2.1.3传动系统的运动和动力参数计算 PAGEREF _Toc11580 12 HYPERLINK \l _Toc2702 3 牵引部系统各轴组件设计 PAGEREF _Toc2702 14 HYPERLINK \l _Toc25237 3.1