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抓斗式双梁桥式起重机设计
目 录
参考文献 47
摘 要
本文主要介绍了抓斗式双梁桥式起重机小车部分的计算与设计过程，小车部分主要由起升机构、运行机构和小车架三部分组成，另外还有一些安全保护装置，本文主要介绍起升机构、运行机构和小车架的设计和计算过程。
（1）起升机构包括电机，减速机，卷筒、钢丝绳及制动器等的计算与选择。
（2）小车运行机构包括电机、减速机和制动器的计算与选择。
（3）小车架是用于支撑和安装上述装置的结构，计算时运用力学分析，确定小车架的结构和材料。
最终，根据技术参数要求，本着运行机构工作性能良好，噪音小、寿命长、成本低的原则，选择比较合适的电动机，减速机及其他辅助装置。
关键词：抓斗式双梁桥式起重机、起升机构、小车运行机构。
Abstract
This article detailed records of a dual-beam bridge crane trolley part of the calculation and design process, mainly by car or from the institutions, agencies and the car running small frame consists of three parts, as well as a number of security devices, is an important component of the crane.
（1）Lifting bodies from the motor, transmission, Reel, brakes, pulleys and hook group composed.
（2）agencies from the motor, transmission, As a result of these parts of the structure and composition of different ways, there can be many forms.
（3）The car running small frame consists ，Use of mechanical analysis, the small frame structure and materials.
Calculations based on technical parameters, in the operation of institutions of good work, noise, long life, low-cost principle, a more appropriate choice of the motor, reducer and other assistive devices
Keywords： double-beam bridge crane、 trolley, lifting bodies、car run institutions.
