如果您无法下载资料，请参考说明：
1、部分资料下载需要金币，请确保您的账户上有足够的金币
2、已购买过的文档，再次下载不重复扣费
3、资料包下载后请先用软件解压，在使用对应软件打开
PAGEPAGE\*MERGEFORMAT1西南交通大学本科毕业设计（论文）外文资料及翻译年级:2007级学号:20077657姓名:王雪扬专业:工程机械指导老师:李春林2011年5月编号：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PAGE14页共NUMPAGES14页第PAGE\*MERGEFORMAT14页共NUMPAGES\*MERGEFORMAT14页LoadingmachinesFormaterialshandinginconstruction,useismadeofloaders.Practicehasshownthatexcavatorsarelesseffectiveinthecapacityofloadsinquarriesandstoragesofnonmetallicmaterialsthanloaders.Bythekindofloadshandled,loadersareclassifiedasforkliftloadsandscoopingloadersforloosematerials.Soopingloadersaredividedintosingle-bucketandcontinuous-actionMulti-bucketloaders.Single-bucketloadersaregeneral-purposemachinessuitedengineeringandinapplicationsrequringcontinuousworkingprocess.Dependingonthekindofrunninggear,crawlerandanailable.Crawlerloadershaveahighpassblibityanddevelopagreatthrustefftort.Wheeledloadersfeatureahighmanoeuvrabilityandhightravelingspeedsmakingnodamagetotheroadpavementandthestorageareas.Unloadersareusedforunloadingsand,gravel,crushedstone,cementformrailwaycars.Powerandpneumaticunloadersareused,powerforunloadingmaterialsfromflatcarsorgondolacars(openwagons)andpneumaticforunloadingcement.Themainworkingmemberoffork-liftloadersistheforkservingtoloadandunloadpieceloads.Theseloadershavedifferentchangeattachments.Whenequippedwithbucketsorgrabs,theyareusedforloadinglooseandsmall-piecematerials,andtheboomattachmentmakestheseloaderssuitedforhoistingloadstoasmallheigheandsometimesforerectionworkinconstruction.Fork-liftloadersareoperatedonhard-pavementareas,thereforetheyaremainlyusedinstorehouseandasfactorymaterials-handingequipment.Theyaremadeonthebasisofatruckthereforetheyarealsocalledtruckloaders.theyarepoweredbyinternalcombustionenginesorelectricmotorswithstoragebatteries.Enginepoweredtruckareusedforlargewarehouseandstock-handingapplication,forgeneralyardworkandfprloadingandunloadingofvehicles.Torqueconvertertransmissionprovidessmoothoperation;powersteeringandall-weathercabsareoptionsavailable.Single-bucketloadersh
