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液压升降机毕业设计论文山东科技大学学士学位论文摘 要液压升降平台是一种广泛应用于工厂、商店、机关、码头、建筑装修行业的一种高空作业工具。本设计采用无线遥控，以提高设备操控的自化和灵活性。其次，本液压升降平台的四个支腿臂的内外伸缩臂设计采用液压缸驱动，节省了人力，提高了平台的工作效率。再者，本设计较一般液压升降平台改进之处是其升降高度采用传感器监控，提高了其升降的精度。最后设计过程采用有限元分析的方法，对零部件进行强度校核，优化了零部件的结构。本设计采用逆向工程的方法，对现有的各种液压升平台比较分析，重点是在传统的结构设计的基础上加以有限元分析；改进一般液压升降平台的线控方式为无线电遥控方式，无线电遥控采用单路八通道遥控方式；在原有液压升降平台的基础上，改进人工拖动液压升降平台的支撑腿为液压缸驱动。最后本设计取得了预想的效果，有较好的市场前景。 关键词：液压升降平台；无线电遥控；有限元分析；传感器 i山东科技大学学士学位论文abstracta hydraulic lifting platform is a tool for high-altitude operations that is widely used in factories, shops and offices, terminals, building decoration industry .the design of a wireless remote control is to enhance the self-control equipment and flexibility.finally, designing process use finite element analysis, to check the strength of parts and components, and to optimize the structure of the parts.secondly, the four outrigger arm of the hydraulic lifting platform use the design of the internal and external telescopic boom driven by hydraulic cylinders, saving human resources, improving the efficiency of the platform. furthermore, the improvement of the design of the hydraulic lifting platform is that sensors monitor is used to accurate the height of platform and improve the accuracy of their movements.this design uses the method of reverse engineering and comparing with the various existing hydraulic platform or , focusing on the traditional design of the structure on the basis finite element analysis, the general improvement of the hydraulic lifting platform for radio-controlled wire way. a radio-controlled remote control one-way four-lane way in the original hydraulic lifting platform on the basis of improving the artificial drag hydraulic lifting platform for the support legs hydraulic cylinder drive.the design has achieved the desired effect,has a bright market prospects keywords: hydraulic lifting platform; radio control ;finite element analysis; sensors monitor ii山东科技大学学士学位论文 目录摘 要 . i abstract . ii1 绪 论 . 11.1液压升降平台在机械工业中的应用及相关技术概况 . 11.1.1 传感技术 . 21.1.2 遥控技术 . 21.1.3 有限元分析技术 . 31.1.4 液压传动技术 . 41.1.5 液压升降平台在机械行业中的应用 . 51.2 本课题研究的目的及意义 . 62 液压系统的方案设计 . 73 液压系统的参数计算及选型设计. 123.1 电动机的选择 . 123.2 液压泵的设计 . 133.2.1 齿轮泵的参数计算 . 133.2.2 齿轮泵的选型设计 . 143.2.3 齿轮泵使用说明和常见故障 . 153.3液压缸的设计 . 163.4 液压元件的选择 . 193.4.1 液控单向阀的选用 . 193.4.2 手动换向阀的选用 . 203.4.3 平衡阀的选用 . 223.4.4 电磁换向阀的选用 . 233.4.5 溢流阀的选用 . 263.4.6 滤油器的选用 . 283.4.7管路的选用 . 303.4.8 油箱的选用 . 334 液压升降平台遥控系统的设计 . 35iii山东科技大学学士学位论文5 遥控液压升降平台结构设计 . 385.1遥控液压升降平台遥控液压升降平台底盘的设计 . 436 液压升降平台的c语言编程受力分析 . 477 遥控液压升降平台的有限元分析. 52参考文献 . 57致 谢 . 58附 录 . 59iv山东科技大学学士学位论文1 绪 论液压升降平台是一种广泛用于工厂、商店、机关及建筑装修行业,物流产业及机械加工产业的作业工具。液压升降平台作为一种起重设备，从50年代初创建至今，已经形成了一定的生产规模、具备了一定的技术水平、也基本形成了比较完整的设计、生产、销售体系，能基本满足国民经济对该设备的需求。目前国家继续实施的财政政策，拉动着我国基础设施建设的高速发展，而起重设备作为国民经济的重要基础设备广泛应用于经济建设的各行各业，如冶金、煤炭、化工、电力、交通和制造等产业。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，作用也愈来愈大，对起重机的要求也越来越高。液压升降平台正朝着大型化、高速度、人性化、环保性、通用产品小型化、零部件的模块化和多样化及安全监察制度化与规范性方向发展。 1.1液压升降平台在机械工业中的应用及相关技术概况液压升降平台的发展与液压技术的发展是密切相关的,随着液压技术的发液压升降平台也在不停的向前发展。液压升降平台做为起重机械在我国由于起步较晚有几个令人担忧的因素。（1）整体技术含量偏低，突出表现在钢结构件制作材料和电气控制系统水平较低；（2）规模化发展不够，突出表现在低水平重复建设严重，造成资源浪费，专业化发展严重滞后；（3）恶性