325t25[1]5m桥式起重机运行机构设计.doc

共40页，字数总计：12924
摘要

本文主要介绍了桥式起重机的整体设计理论和设计过程，其中重点设计了桥式起重机的运行机构起升机构等，主要包括桥式起重机小车运行机构的整体设计及传动机构的布置，小车运行机构计算。还有轴承的选择、联轴器的选择、电动机的选择、减速器的选择和校核。
关键词：桥式起重机；起重机小车；卷筒；减速器。
Abstract
This article mainly introduced the entire design theory and design process of bridge-type hoist crane，which focused on the design of the bridge crane operation of institutions and hoisting mechanism．The overall design that mainly includes the bridge type derrick small car to circulate organization and spread the decoration that the motive reaches, the small car circulates an organization calculation.Still have the choice of the choice, electric motor of the choice, allied stalk machine of bearings, decelerate machine of choice and pit in the school.
Keyword:Bridge type derrick;The derrick small car;Book tube;Decelerate a machine.
目录
摘要...................................................................................................1
Abstract...........................................................................................2
第一章 概述....................................................................................6
1.1 概论..........................................................................................6
1.2 起重机介绍..................................................................................6
1.2.1 起重机的类型及特点......................................................................7
1.3 桥式起重机发展概述...................................................................7
1.3.1 国外桥式起重机发展动向.............................................................7
1.3.2 国内桥式起重机发展动向.............................................................8
第二章 桥式起重介绍.................................................................8
2.1 桥式起重机的特点和分类..................................................................9
2.1.1 通用桥式起重机...........................................................................9
2.1.2 专用桥式起重机............................................................................9
2.1.3 电动葫芦型桥式起重机...................................................................10
2.2桥式起重机的组成和特点...............................................................11
2.2.1桥式起重机小车...............................................................................11
2.2.3桥式起重机小车运行传动机构...............................................................11
2.3 桥式起重机运行机设计的目的；内容和要求.....................................11
2.3.1 设计目的....................................................................................11
2.3.2 设计内容....................................................................................12
2.3.3 设计要求....................................................................................12
第三章 小车运行机构的计算.......................................................13
3.1 确定机构的传动方案........................................................................13
3.2 选择车轮与轨道并验算起强度...........................................................14
3.3 运行阻力的计算............................................................................16
3.4 选择电动机.................................................................................16

3.5 验算电动机发热条件.....................................................................17
3.6 选择减速器.................................................................................18
3.7 验算运行机构速度和实际所需功率.................................................18
3.8 验算启动时间...............................................................................18

3.9 按起动工况校核减速器功率...........................................................19
3.10验算起动不打滑条件......................................................................19
3.11 选择制动器.............................................................................20
3.12 演算制动不打滑条件................................................................21

3.13选择联轴器...........................................................................21
3.14 演算低速浮动轴强度..................................................................22
第四章 大车运行机构的计算.............................................24

4.1设计的基本原则和要求...........................................................24

4.1.1 机构传动方案........................................................................24
4.1.2 大车运行机构具体布置的主要问题..............................................24
4.2大车运行机构的计算.......................................................................25
4.2.1 确定..