第1页共40页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共40页摘要6.3吨随车起重机属于架型起重机，它将起重和运输相结合，不仅节省劳动力，而且极大的减小了工作强度、提高了工作效率。本次毕业设计在6.3吨随车起重机上首次采用了伸缩臂型结构，并对起重机臂进行了优化设计。它具有结构紧凑、易于操作的特点，可广泛用于交通运输、港口、仓库、以及所有中小型工业货物装卸与远距离运输之中。本文主要内容如下：起升机构设计起升机构包括液压马达、减速机、棘轮停止器和卷筒。减速机用来降低液压马达驱动速度，卷筒用于绕进或放出钢丝绳。机构工作时，液压马达驱动减速机，减速机的低速轴带动卷筒，将钢丝绳卷上或放出，经过滑轮组系统使载荷实现上升或下降，其升降由马达的旋转方向而定，通过棘轮停止器实现制动。起重臂设计起重臂采用伸缩式、箱形结构。箱形结构内装有伸缩油缸，臂的每个外节段内装有滑块支座，因此起重机的变幅可通过液压缸实现。为了减轻吊臂自重，充分发挥钢材的作用，吊臂的不同部位采用不同强度的钢材。回转机构设计回转机构由回转支承装置和回转驱动装置组成。即一对脂润滑的回转支承装置、蜗轮旋杆减速机和液压马达。这种结构自重轻、受力合理、运行平稳，可以使机构在水平面内运输货物。[关键词]:随车起重机;起升机构;起重臂;回转机构;回转支承Abstract6.3TruckMountedCrane(abbreviationTMC)belongstoboom-Crane.Itcombinestheadvantages.Soitcangreatlydecreaselaborintensity,increaseworkingIuseflexibleboominTMCforthefirsttimeandhaveaoptimizationdesign.Thisproducthasfeaturesofcompactstructure,easyoperation.Itissuitableforwideuseintraffictransportantion,dock第2页共40页第1页共40页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共40页warehouseandallsmall-sizedindustriesforgoodsloadingloadingandunloadingandlongdistancetransportation.Itsmaincontentincludesthefollowingaspects:ThedesignforwinchmechanismThewinchmechanismconsistsofhydraulicmotor,reducer,ratchetwheelstopandwinchdrum.Reducerlowersthespeedofhydraulicmotorfordrivingthewinchdrumtowindorunwindtheloadhoistingwirerope.Whenworking,themotordrivesreducerandbringalongwinchdrumrotation,thenthewireropeiswoundorunwound,theloadwillbeliftorloweredthroughpulleyblocksystem.Liftingorloweringoftheloadwillbecontrolledbytherotationdirectionofthemotor.Ratchetwheelstopisusedtostopthemotionofthedrum,holdingtheloadintheair.ThedesignofboomTheboomadoptsflexibletypeandbox-shapedstructure.Cylinderbodiesarefittedontheboom.Thereareslidesupportsatoutsidesofeverysectionofbooms.TheworkingrangeofTMCcanoutsidesofeveryarefittedontheboom.Thereareslidesupportsatoutsidesofeverysectionofbooms.TheworkingrangeofTMCcanberealizedbytheextensionorretractionofcylinderbody.Itusesdifferentsteelproductsindifferentpositionsfordecrcasingboom’sweightandfullydevelopingsteelproducts’function.ThedesignofswingmechanismSwingmechanismcontainsswingbearingandswingdriver,thesameis,no-oillubricatedbearings,worm-and-wheelsteeringgearandgydraulicmotor.Thisstructurehastheadvantagesoflightweight,reliableforceonitandsmoothaction.Itcanmaketheloadtransportedinthehorizontalplane.KeywordsTruckMountedCrane；winchmechanism；Boom；swingmechanism；Swingbearing目录1起升机构的设计……………………………………………………………11.1起升机构的基本参数计算…………………………………………11.1.1传动方案……………………………………………………11.1.2基本参数的计算……………………………………………11.2钢丝绳的设计与选用……………………………………………31.3滑轮及滑轮组设计………………………………………………4第3页共40页第2页共40页编号：时...
