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液压扳手设计说明书.doc

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液压扳手设计说明书.doc

毕业设计说明书题目液压扳手指导老师班级姓名1AbstractIntheenergy,thetransportation,themetallurgy,thechemicalindustry,themineandotherprofessionsequipmentsetups,intheoverhaulwork,theassemblinganddismantlingbigspecificationboltquiteisdifficultSomeboltsinstallinthespatialextremelysmallandnarrowplaceareunablewithtolengthenthearmofforceorwiththemethodfasteningandthedisassemblageboltwhichhammersSomeequipmentlongtermuseinthequitemoistplace,theboltrustsawayseriouslyisunablewiththeartificialdisassemblage,thusoverhaulswithdifficultyInelevatedductandonhighaltitudeequipmentskeletonfasteninganddisassemblagebolt,staffalthoughwearsthesafetybeltalsowithdifficultytousethestrength,mustsafelycompletetheworktobeextremelydifficultAccordingtotheequipmentmanagementauthoritativeorganizationstatistics,hasabove50intheequipmentmovementbreakdownisbecausetheboltquestioncauses,butcreatestheequipmentsignificantaccidentbecauseoftheboltquestionthequantityalsoextremelyastonishing,thereforethenewequipmentsetupandtheoverhaulstandardfastentotheboltthemomentofforcerequestquiteisstrict,butmeetstherequirementswithdifficultywiththeartificialmethod.Abovethehydraulicpressuretorquespannersolvesthequestionidealtool.Thistoolthehighpressureoilwhichproduceswiththenecessaryultrahighvoltagehydraulicpumptakesthepower,automaticallycompletestheboltthefasteningandthedisassemblagework,steady,doesnothavetheimpact,safe,theassemblyqualityishighKeywordsHydraulicpressurespannerNotchwheeldetentsPistoncylinderConnectingrodSpringIntensityTorqueCircumferencestrengthEndcoverFlangeFastreplacementattachment2摘要在能源,交通,冶金,化工,矿山及其他行业的设备安装,检修工作中,装拆大规格螺栓比较困难有些螺栓安装在空间非常窄小的地方无法用加长力臂或用锤击的方法紧固和拆卸螺栓有些设备长期使用在比较潮湿的地方,螺栓锈蚀严重无法用人工拆卸,因而难以检修在架空管道和高空设备构架上紧固和拆卸螺栓,工作人员虽然戴着安全带也难以用上力,要安全地完成工作非常困难据设备管理权威机构统计,在设备运行故障中有50以上是因为螺栓问题引起的,因螺栓问题而造成设备重大事故的数量也非常惊人,因此新的设备安装和检修规范对螺栓紧固的力矩要求比较严格,而用人工方法难以达到要求。液压扭矩扳手是解决以上问题的理想工具。该工具用配套的超高压液压泵产生的高压油作为动力,自动完成螺栓的紧固和拆卸工作,平稳,无冲击,安全,装配质量高。中文关键字棘轮塞缸塞杆扭矩周力盖兰换接头3目录Abstract..........................................................................................................................1摘要...........................................................................................................................2第一章液压扳手的系统组成和主要性能指标.........................................................5第二章设计特点和关键...............................................................................................72.1采用超高压液压技术..................................................................................7第三章液压缸的设计...................................................................................................83.1液压缸的典型结构和组成..............................................................................83.1.1液压缸的典型结构举例........................................................................83.1.2液压缸的组成......................................................................................103.2液压缸的特点及应用....................................................................................153.3单活塞液压缸的计算...................................................................................163.3.1单活塞液压缸内径的计算.................................................................163.3.2缸筒臂厚的计算..................................................................................163.3.3缸筒臂厚的验算..................................................................................173.3.4缸筒底部厚度设计计算......................................................................173.3.5缸筒端部法兰厚度设计......................................................................183.3.6缸筒端部法兰用螺钉强度设计计算..................................................183.4缸筒材料........................................................................................................203.5缸筒的加工要求............................................................................................20第四章活塞的设计.................................................................................................204.1活塞杆的结构................................................................................................204.2.1初步确定活塞杆直径d.......................................................................204.2.2活塞杆的强度计算..............................................................................214.2.3活塞杆的加工要求..............................................................................224.2.4活塞的导向环......................................................................................224..3活塞用导向环宽度计算...............................................................................224.4活塞杆的导向.密封和防尘...........................................................................244.4.1活塞杆的导向......................................................................................244.5.中隔圈............................................................................................................244.5.1中隔圈长度TL的确定方法.................................................................24第五章棘轮机构的设计.........................................................................................255.1棘轮机构ratchetmechanism的基本型式和工作原理...........................255.2棘轮机构的特点及应用............................................................................255.3棘轮机构的分类方式...................................................................................25

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