QTZ80塔式起重机机械部分设计【毕业论文+CAD图纸全套】.doc
文本预览下载声明
QTZ80塔式起重机机械部分设计
摘 要：塔式起重机是一种塔身竖立而起重臂回转的起重机械，它具有适用范围广，回转半径大，起升高度较高、效率高、操作简便，安装和拆卸较为方便等特点。目前在我国建筑安装工程中已得到广泛应用，特别是在高层工业和民用建筑中，已成为一种必不可少的施工机械。我对QTZ塔式起重机方面的书籍进行参考和了解，结合已学专业基础知识，理解融合，参考相关资料，进行大概的设计。
关键词：塔式起重机；结构
Mechanical Part of the QZT80 Tower Crane Design
Abstract：Tower crane is a kind of hoisting machinery whose tower body stands up and gibbet revolves．It has some particular：wide applicability，large radius of gyration，higher lifting altitude，high efficiency，handy operation and more convenient removal．At present，it had been used extensively in construction field engineering，especially in higher level industry and civilian construction．It became a kind of requisite construction machinery．I consulted and learned about some books on tower crane，combined some background elementary knowledge about the speciality，reference related information to The design．
Key words：tower crane；structure
目 录
摘要……………………………………………………………………………1
关键字……………………………………………………………………………1
1前言…………………………………………………………………………1
2方案选择……………………………………………………………………2
2.1基本参数 ………………………………………………………………2
2.2总机质量………………………………………………………………2
3塔式起重机机构的设计…………………………………………………………3
3.1运行机构………………………………………………………………4
3.1.1运行台车的选择……………………………………………………4
3.1.2运行静阻力计算……………………………………………………4
3.1.3电机的选择…………………………………………………………4
3.1.4制动器………………………………………………………………5
3.2起升机构…………………………………………………………………5
3.2.1起升机构的计算…………………………………………………5
3.2.2吊钩及吊钩组的选择………………………………………………6
3.2.3选取起升钢丝绳……………………………………………………6
3.2.4选择电机……………………………………………………………6
3.2.5制动器的选择………………………………………………………7
4塔式起重机金属结构的设计 ……………………………………………………7
4.1底架 …………………………………………………………………7
4.2塔身标准节………………………………………………………………8
4.2.1标准节结构……………………………………………………8
4.2.2塔身强度校核……………………………………………………8
4.3顶升套架…………………………………………………………………9
4.4回转支撑 ………………………………………………………………10
4.5回转塔身…………………………………………………………………11
4.6塔顶 ……………………………………………………………………12
4.7起重臂 …………………………………………………………………12
4.8平衡臂 …………………………………………………………………1
显示全部