桥式转载机的设计

机械论文编号:JX257 所有图纸, 任务书,外文翻译。论文字数:22600.页数:80

目　　录
1  概述 ................................................................1
1.1转载机的发展概况 ....................................................1
1.2国内外转载机的技术特点及趋势 ........................................1
1.3转载机组成.......................................................... 3
1.4  限矩型液力联轴器的选择 ............................................6
1.4.1液力联轴器的工作液体.............................................. 7
2总体方案的确定........................................................ 7
2．1结构与传动系统..................................................... 7
2．1．１主要技术参数 ...................................................10
2.2电动机的选择........................................................ 10
2.3总传动比及传动比的分配 ..............................................10
2.3.1总传动比的确定 ....................................................11
2.3.2传动比的分配...................................................... 11
3  传动系统的设计 ......................................................11
3.1 各级传动转速、功率、转矩的的确定 ...................................11
3.2  第一级锥齿轮传动设计计算.......................................... 13
3.2.1  选择齿轮材料 ....................................................13
3.2.2  按齿根的弯曲疲劳强度设计计算 ....................................14
3.2.3  齿面的接触疲劳强度校核 ..........................................16
3.2.4  齿轮几何尺寸的计算 ..............................................17
3.3  第二级直齿圆柱齿轮传动设计计算.................................... 19
3.3.1  选择齿轮材料 ....................................................19
3.3.2  按齿根的弯曲疲劳强度设计计算 ....................................21
3.3.3  齿面的接触疲劳强度校核.......................................... 24
3.3.4  齿轮几何尺寸的计算.............................................. 25
3.4第三级直齿圆柱齿轮传动设计计算 ......................................25
3.4.1选择齿轮材料...................................................... 25
3.4.2  按齿根的弯曲疲劳强度设计计算.................................... 27
3.4.3  齿面的接触疲劳强度校核.......................................... 30
3.4.4  齿轮几何尺寸的计算.............................................. 31
4 传动轴的结构设计与校核 ...............................................31
4.1 输入轴的结构设计................................................... 33
4.1.1 确定轴的最小直径 .................................................33
4.1.2减速器高速轴I的设计 ...............................................33
4.2 Ⅱ轴的结构设计..................................................... 38
4.2.1 确定轴的最小直径 .................................................38
4.2.2 按轴向定位要求确定各轴段直径和长度 ...............................38
4.3Ⅲ轴的结构设计 ......................................................42
4.3.1确定轴的最小直径.................................................. 42
4.3.2 按轴向定位要求确定各轴段直径和长度 ...............................42
4．4输出轴的结构设计................................................... 45
4.4.1 确定轴的最小直径................................................. 45
4.4.2 按定位要求确定各轴段直径和长度................................... 45
5 键的校核............................................................. 48
5.1 Ⅰ轴键的校核....................................................... 48
5.2Ⅱ轴键的校核 ........................................................48
5.3Ⅲ轴键的校核........................................................ 49
5.4Ⅳ轴键的校核 ........................................................49
6 轴承的校核 ...........................................................50
6.1验算Ⅰ轴承寿命...................................................... 50
6.2验算Ⅱ轴承寿命...................................................... 51
6.3验算Ⅲ轴承寿命...................................................... 51
6.4验算Ⅳ轴承寿命...................................................... 52
6.5箱体及附件的设计.................................................... 53
7   安装、使用和维护................................................... 54
7.1 安装和拆卸......................................................... 54
7.1.1安装方法.......................................................... 54
7.1.2拆卸方法.......................................................... 55
7.2操作及运转.......................................................... 55
参考文献 ...............................................................57
外文翻译：............................................................. 58
英文原文：............................................................. 58
中文译文............................................................... 69
结  论 .................................................................77
致  谢..................................................................78

摘   要

     桥式转载机是综合机械化采煤工作面运输系统配套设备中的重要组成部分,在工作面运输巷中接受工作面刮板输送机卸下的煤流,不停顿地转运到可伸缩带式输送机上去.桥式转载机与工作面刮板输送机机头部同步推移,保证工作面采煤机连续采煤,实现综采工作面的高产高效作业.
桥式转载机是一种特殊结构的刮板输送机,其动力传动系统及驱动装置与刮板输送机相似,其机身有一个坡道段和一段拱桥结构,可在带式输送机机尾段上面搭接.在后退式采煤工作面运输巷中,当转载机推移到其拱桥段全部与带式输送机机尾段搭接叠的极限位置时,可伸缩带式输送机缩短一个搭接长度,带式输送机的机发展部移置到转载机卸载机头下方,转载机又可随工作面的推进而向前推移.
转载机是与大型综采工作面设备配套使用的顺槽输送、转载设备，完成把工作面输送机送来的煤输送、转运到后续皮带输送设备上的任务,并提供相应的连接手段。设计要求与ZY2300 皮带机自移机尾配套，以实现在2.3 米范围内整体移动而不必拆移皮带机。与ZY2300 皮带机自移机尾配合可更方便地调节皮带机，增强了皮带机与转载机配合的协调性。本转载机与SGZ1000/3000 型输送机配套使用，运量可达4000 吨/小时，技术先进，工作可靠，是大型综采配套设备的优秀机型。

Bridge  reversed loader
       Bridge reversed loader is a reprint of fully coal face ancillary equipment in the transport system an important part of the roadway in the face of the accepted face scraper conveyor unloading of coal flow, not halt the transfer to the retractable belt Conveyor boost. Bridge reversed loader with the face-scraper conveyor machine synchronous over his head, face Shearer guarantee for coal mining, and fully mechanized coal face of high yield and high efficiency operations.
     Bridge reversed loader is a reprint of a special structure of the scraper conveyor, powertrain and drive and scraper conveyor similar to a ramp of its fuselage and a section of the arch bridge structure and belt conveyors in the tail Paragraph above lap. In the back-alley in the coal face when the machine goes to reprint its arch bridge and all of the aircraft ended the lap belt conveyor stack of position limits, a retractable belt conveyor shortened ride Next length of the belt conveyor for the development of the shift to home-unloading nose reproduced below, can be reproduced with the face of the advance goes forward.
    Reproduced large-scale machine is fully coal face with the equipment supporting the use of the Gate transmission, reproduced equipment, to complete the face conveyor sent to the coal transportation, transit facilities to follow up on the conveyor belt of tasks and to provide the appropriate means of connection. ZY2300 belt with the design requirements for supporting the tail since the shift to achieve in the 2.3 metres of the overall mobile rather than demolished shift belt machine. ZY2300 belt and the tail of the shift can be more easily cope with belt-regulation, enhance the belt-and-reproduced with the coordination. This reprint of SGZ1000/3000 and supporting the use of conveyor, capacity up to 4,000 tons / hour, technologically advanced, reliable, large-scale comprehensive mining equipment supporting the excellent models