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1、本科毕业设计（论文）50/10t50/10t 双梁桥式起重机大车运行双梁桥式起重机大车运行 机构及主梁设计机构及主梁设计摘 要起重机可以提高了人们的劳动效率，搬动大型物件。在厂房内搬运大型零件或重型装置，桥式起重机是不可或缺的运输工具。 随着现代科学技术的迅速发展，工业生产规模的扩大和自动化程度的提高，起重机在现代化生产过程中应用越来越广，作用愈来愈大，对起重机的要求也越来越高。尤其是计算机技术的广泛应用，许多跨学科的先进设计方法出现，促使起重机的技术进入崭新的发展阶段。本文结合生产实际，提出了双梁起重机大车运行机构以及主梁的几种方案，通过分析确定了最终方案，对大车运行机构及主梁进行了设计，对
2、起重机的安全检查提出了要求。关键词：关键词：双梁桥式起重机；大车运行机构；主梁；设计ABSTRACTthe hoist cranes appearance raised peoples labor efficiency greatly, before need many people the large-scale thing which spends the long time to be able to move can achieve the effect easily now with the hoist crane, particularly in the small scope m
3、oves in the process hoist cranes function is quite obvious. Transports the large-scale components or the heavy installment bridge-type hoist crane in the factory workshop may not attain lacks. along with the modern science technologys rapidly expand, the industrial production scales expansion and au
4、tomaticitys enhancement, the hoist crane applies in the modernization production process is getting more and more broad, the function is getting bigger and bigger, is also getting higher and higher to hoist cranes request. Especially computer technologys widespread application, many interdisciplines
5、 advanced design methods appear, these urge hoist cranes technology to enter the brand-new development phase.the in coor with progress of production proposed actually the hoist crane large cart movement organization as well as king posts several kind of plans, have carried on the design notes throug
6、h the analysis designation plan and to the large cart movement organization and the king post, simultaneously, also set the request to hoist cranes security check. Keywords: Double beam bridge type hoist crane; Large cart movement organization; King post; Designs目目 录录摘摘 要要.IABSTRACT.II1 绪绪 论论 .12 大车
7、运行机构方案拟订以及选择大车运行机构方案拟订以及选择.42.1 大车运行机构的几种常用方案大车运行机构的几种常用方案.42.1.1 低速集中驱动 .42.1.2 中速集中驱动 .52.1.3 高速集中驱动 .52.1.4 分别驱动 .62.2 大车运行机构方案分析大车运行机构方案分析.6 2.2.1 低速集中驱动 .7 2.2.2 中速集中驱动 .7 2.2.3 高速集中驱动 .7 2.3 大车运行机构方案选择大车运行机构方案选择.7 3 主梁方案的拟订及选择主梁方案的拟订及选择.8 3.1 主梁常用的几种方案主梁常用的几种方案.8 3.1.1 工字钢主梁 .8 3.1.2 桁架主梁 .8 3.1.3 箱形主梁 .8 3.2 主梁方案分析主梁方案分析.10 3.2.1 工字钢主梁 .10 3.2.2 桁架主梁 .10 3.2.3 箱形主梁 .10 3.3 主梁方案选择主梁方案选择.10 4 大车运行机构的设计大车运行机构的设计.12 4.1 运行阻力的计算运行阻力的计算.
