桥式起重机毕业设计说明书

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浙江大学毕业设计

桥式起重机(天车)毕业设计全部内容,全在里面。

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,阐述了桥式起重机国内外的发展状况.其中重点设计了桥式起重机的运行机构和起升机构等,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，小车运行机构的的计算，大车运行机构的整体设计和桥架结构的设计计算等。除此之外，还有轴承的选择，联轴器的选择，电动机的选择，减速起的选择和校核。

本文设计过程中，主要采用了文献资料法，软件设计法和讨论等方法，结合了国内外起重机的研究发展状况，参考了一些机加工车间所使用的起重机性能参数，从而系统的完成起重机的整体设计。

关键词：桥式起重机；起重机小车；起重机大车；运行机构；起升机构；桥架机构；卷筒；减速器。

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Abstract

This article mainly introduced the entire design theory and design process of bridge crane,which elaborated domestic and foreign crane development status.Among of them,it focused on the design of the bridge crane operation of institutions and hoisting mechanism.The overall design that mainly includes the integral design of bridge crane car mechanism and transmission layout;thecalculation of crane small car mechanism; the integral design of the cart mechanism;and bridge structure design calculation;and so on.Inaddition, thispaper involves bearing choice,coupling choice,motor choice,along with reducer choice and checking.

In the design process of this paper, mainly adopts methods of documentation, methods of the design of hardware,and discussion were http://bined with the domestic and foreign research development.Referenced some machining workshop crane used performance parameters,thus the design of crane system was completed.

Keywords: Bridge crane; Crane small car; Crane cart; operating mechanism;Hoisting mechanism; Bridge institutions; drum;reducer.

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目 录

摘要 .................................................................................................................. 1

Abstract ........................................................................................................... 4

第一章 绪论 .................................................................................................. 8

1.1 概述 .......................................................................................................................... 8

1.2 桥式起重机发展概述 .............................................................................................. 8

1.2.1 国外桥式起重机发展动向 ......................................................................... 9

1.2.2 国内桥式起重机发展动向 ......................................................................... 9

1.3 桥式起重机设计目的，设计任务，设计要求和设计参数 ................................ 10

1.3.1设计目的 ...................................................................................................... 10

1.3.2、设计任务： ............................................................................................... 10

1.3.3、设计要求 ................................................................................................... 10

1.3.4 设计参数 ..................................................................................................... 11

1.4 本章小结 ................................................................................................................ 11

第二章 小车起升机构设计 .......................................................................... 12

2.1 钢丝绳 .................................................................................................................... 12

2.1.1 主起升钢丝绳 ............................................................................................. 12

2.1. 副起升钢丝绳 ....................................................................................................... 13

2.2 滑轮组 .................................................................................................................... 13

2.2.1 主起升滑轮组 ............................................................................................. 14

2.2.2 副起升滑轮组 ............................................................................................. 14

2.3 卷筒 ........................................................................................................................ 15

2.3.1 主起升卷筒 ................................................................................................. 15

2.3.2 副起升卷筒 ................................................................................................. 17

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