辽宁科技大学本科毕业设计（论文）第PAGE\*MERGEFORMATII页高炉开铁口机大臂旋转设备液压系统设计摘要开铁口机是完成打开高炉铁口的关键设备，随着在现代冶炼技术的发展进步,老式简易开铁口机的不足逐渐暴露出来，已不能满足现代化高炉的要求，开铁口机的改制势在必行。本课题研究的是全液压开铁口机的液压系统设计，该控制系统利用液压控制灵活、迅速的优势，一改以往人工操纵换向为液压系统识别自动控制换向。开铁口机从回转开始工作到工作结束回到停放位置，均采用液压全自动控制，不需人工干预，提高了开孔能力和开孔速度，适应了现代化大型高炉的要求。该系统主要由冲击、转钎、推进及回转四部分的液压控制系统组成，本课题主要设计了这四部分中推进与回转部分的液压控制系统，及对这两部分液压系统的组合和系统性能验算，同时论述了各部分的计算设计过程和必要的强度校核。关键词开铁口机；液压系统设计；液压全自动控制ABSTRACTTapholedrillisakeyequipmenttoopenthetapholeblastfurnace,Withmodernsmeltingtechnologyinthedevelopmentandprogress,Easyopenoldirondeficienciesmachinegraduallyexposed,Hasbeenunabletosatisfytherequirementsofmodernblastfurnace,Tapholedrillrestructuringinevitable.Thistopicresearchisentirehydraulicpressureopenstheirongatemachinehydraulicsystemdesign,Thecontrolsystemuseshydrauliccontrolflexibility,rapidadvantages,assoonaschangedformerlythemanualcontrolcommutationforthehydraulicsystemrecognitionautomaticcontrolcommutation.TheTapholedrillerfromthebeginningoftheendoftheworktoreturntotheworkspaceforparking,adoptedhydraulicautomaticcontrol,doesnotneedthemanualintervention,enhancedhasopenedtheholeabilityandopenstheholespeed,adaptedthemodernizedlarge-scaleblastfurnacerequest.Thissystemmainlyoftheimpact,theextensionrockdrill,advancesandrotatesfourpartofhydrauliccontrolsystemcomposition,Thedesignofthetopicsissuesofthispartofthefourhydraulicsystems,Andthetotalhydraulicsystem,thecompositionandpropertiesofcheckingsystem,Italsoexplainsthepartsofthedesignprocessandcalculatingthenecessarystrengthcheck.Keywordstapholetrill；hydraulichystemdesign；hydraulicsystemrecognitionautomaticcontrolcommutation目录TOC\o"1-3"\u摘要PAGEREF_Toc27860IABSTRACTPAGEREF_Toc15626II目录PAGEREF_Toc32603III1绪论PAGEREF_Toc44511.1开铁口机国内发展现状PAGEREF_Toc1433611.1.1开铁口机国内引入状况PAGEREF_Toc2065211.1.2开铁口机国内开发状况PAGEREF_Toc1465211.1.3开铁口机国外的应用与发展状况PAGEREF_Toc3098021.2国内外开铁口机存在的问题PAGEREF_Toc2296221.3开铁口机的发展前景PAGEREF_Toc2925431.3.1国内各结构开铁口机应用情况PAGEREF_Toc267923