摘要本说明书主要对无轨胶轮式龙门吊车的液压系统进行了系统的论证和设计说明。

首先根据系统的工况分析拟订了系统原理图，在满足系统要求的前提下对各标准元件进行了选取和校核，并对液压传动部分非标准零部件进行了设计计算，其中主要包括系统原理设计、液压站设计、阀组的油路体以及油箱部件的设计。

最后对管道、集成块、液压泵、电动机的布局、连接和固定进行了设计。

对于机械部分的设计，主要是考虑并实现了稳定性、安全性、美观和维修的方便性。

关键词：集成块液压系统执行元件AbstractThis manual mainly of the trolley type gantry crane trucks of Hydraulic Expansion bar system demonstration and design of the system description. First, under the condition of the system developed a system diagram, system requirements are met under the premise of the standard components for the selection and verification, and some non-standard components for hydraulic design calculation, which mainly include the system principle Design, Hydraulic Design, Manifold valve body and the mail part of the design. Finally, pipelines, manifold blocks, hydraulic pumps, motors layout, connections, and fixed for the design. For the design of mechanical parts, mainly to consider and achieve stability, security, appearance and ease of maintenance.Key words：Integrated piece Hydraulic system Elevator functional目录引言 (I)第一章液压传动的发展概况.....................................................................................................- 1 -1.1 液压传动的工作原理和组成........................................................................................- 1 -1.1.1 工作原理：.........................................................................................................- 2 -1.1.2液压系统的基本组成：......................................................................................- 2 -1.2 液压传动的优缺点........................................................................................................- 2 -1.3 液压系统的应用领域....................................................................................................- 3 - 第二章全液压式无轨胶轮式龙门吊介绍...............................................................................- 5 - 第三章全液压式无轨胶轮式龙门吊车...................................................................................- 7 - 液压系统设计...............................................................................................................................- 7 -3.1 无轨胶轮式龙门吊车液压系统主要技术要求............................................................- 7 -3.2 无轨胶轮式龙门吊车液压系统原理图设计................................................................- 7 -3.2.1 要考虑的基本问题...........................................................................................- 7 -3.3 液压系统设计计算................................................................................................... - 11 - 第四章液压系统工作介质选择.............................................................................................. - 12 -4.1 液压系统对工作介质的要求................................................................................... - 12 -4.1.1 粘度................................................................................................................ - 12 -4.1.2 润滑性............................................................................................................ - 12 -4.1.3 氧化安定性.................................................................................................... - 12 -4.1.4 剪切安定性.................................................................................................... - 12 -4.1.5 防锈和抗腐蚀性............................................................................................ - 13 -4.1.6 抗乳化性........................................................................................................ - 13 -4.1.7 抗泡沫性........................................................................................................ - 13 -4.1.8 对密封材料的相容性...................................................................................... - 13 -4.1.9 其他要求.......................................................................................................... - 13 -4.2 抗磨液压油(HM液压油) ......................................................................................... - 14 -4.2.1 规格.................................................................................................................. - 14 -4.2.2 用途.................................................................................................................. - 14 -4.2.3 质量要求.......................................................................................................... - 14 -4.2.4 注意事项.......................................................................................................... - 15 -4.3 根据设备的类型选择............................................................................................... - 15 -4.4 品种选择..................................................................................................................... - 16 - 第五章液压系统连接装置的结构设计.................................................................................. - 18 -5.1 元件连接方式的选择................................................................................................. - 18 -5.1.1 液压阀的板式集成：...................................................................................... - 18 -5.1.2 液压阀的块式集成：...................................................................................... - 18 -5.1.3 叠加阀集成...................................................................................................... - 19 -5.2 集成块的设计............................................................................................................. - 19 -5.2.1 通用集成块的结构.......................................................................................... - 19 -5.2.2 集成块的特点.................................................................................................. - 19 -5.2.3 集成块装置的设计步骤...................................................................................- 20 -5.3 叠加阀装置设计......................................................................................................... - 25 -5.3.1 叠加回路设计.................................................................................................. - 25 -5.3.2 绘制液压叠加回路总装图.............................................................................. - 25 - 第六章液压泵站的设计...........................................................................................................- 26 -6.1液压泵站的设计...........................................................................................................- 26 -6.2液压泵站类型的选择................................................................................................... - 27 -6.2.1 液压泵站的组成............................................................................................... - 27 -6.2.2 液压泵站的类型............................................................................................... - 27 -6.3 油箱的设计................................................................................................................. - 28 -6.3.1 油箱的作用...................................................................................................... - 28 -6.3.2 油箱的种类...................................................................................................... - 28 -6.3.3 油箱的设计...................................................................................................... - 29 - 参考文献.............................................................................................................................. - 32 - 致谢 ......................................................................................................................................... - 33 - 附录一：英文原文.................................................................................................................. - 35 - 附录二：中文翻译.................................................................................................................... - 44 -引言液压传动和气压传动称为流体传动，是根据17世纪帕斯卡提出的液体静压力传动原理而发展起来的一门新兴技术，是工农业生产中广为应用的一门技术。