MG700-WD型采煤机截割部的设计计算（含全套CAD图纸）.doc

文档介绍：摘要
本次设计的主要目的是对MG700-WD型采煤机截割部的设计计算。MG700-WD型采煤机截割部主要是由四级齿轮传动组成,截割部电机放在摇臂内横向布置,电动机输出的动力经由三级直齿圆柱齿轮和行星轮系的传动,最后驱动滚筒旋转。
本此设计结果对截割部的轴、传动齿轮、轴承和联接用的花键等部件进行了设计计算、强度校核和选用,主要部件的设计计算和强度校核进行了叙述和介绍。本次设计认真完成了对MG700-WD型采煤机截割部设计。
关键词:截割部;行星轮系;传动齿轮
Abstract
The main purpose of this design is the MG700-WD Shearer Calculation of cutting unit。MG700-WD shearer cutting unit is posed of four-gear transmission,Department of Motor cutting in on the arm horizontal layout,Motor output power by three spur gear and ary gear drive,Finally driven rotating drum。
The results of this design of cutting unit shaft, transmission gears, bearings and spline connection with such parts of the design calculations, checking and selection intensity,The ponents of the design and strength check calculation was described and introduced。This design pleted MG700-WD shearer cutting unit design。
Keyword: cutting department; ary gear; transmission geart
目录
摘要 .I
Abstract II
第1章绪论 1
研究目的和意义 1
国内外发展情况 1
第2章方案比较论证..............................................4
方案对比 4
研究设计方案 6
第3章截割部的设计及计算 7
摇臂尺寸的确定及电动机的规格 7
总传动比及传动比的分配 8
总传动比的确定 8
传动比的分配 8
截割部传动计算 10
各级传动转速、功率、转矩 10
截割部齿轮设计计算 12
截割部行星机构的设计计算 27
轴的设计及校核 36
轴承的寿命校核 45
花键的强度校核 46
结论 48
致谢 49
参考文献 50
CONTENTS
Abstract I
Chapter 1 Introduction 1
The purpose and significance 1
Domestic and international developments. 1
Chapter 2 parisons....................................4
parison 4
Research and design programs. 6
Chapter 3 Cutting on the design and calculation 7
Rocker arm and the motor to determine the size
Specifications 7
Domestic and international developments 8
Determination of the total transmission
Ratio.. 8
The allocation of transmission ratio. 8
Calculation of cutting unit drive 10
Levels of transmission speed, power,
Torque 10
Cutting Unit Gear Design 12
Cutting the Depart