资源描述:
《采煤机牵引部设计_毕业设计》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、毕业论文题目:采煤机牵引部设计毕业论文主要内容和要求:主要参数:装机总功率:700-900KW截割部功率2×(300-400)KW采高范围:2.2-3.5m适应煤质硬度:f≤4煤层倾角:γ≤25滚筒截深:800mm电机转速:1470r/min牵引速度:0-15m/min要求:1、结合采煤机总体方案的设计完成运输机、液压支架的选型配套布置图。2、牵引部传动及结构总体设计。3、主要部件、组件、零件图设计;1)牵引部强力轮齿组件图设计;2)牵引部壳体(铸件)设计;3)传动齿轮、轴的零件加工图设计;4、编写完成牵
2、引部壳体加工工艺;5、编写完成整机设计计算说明书、中英文翻译;摘要G400/900-WD型采煤机是一种多电机驱动,横向布置的交流电牵引采煤机。该机功率大,多电机横向布置,整机结构紧凑,采用交流变频调速系统,变频调速采用机载式。截割电机、牵引电机等主要元部件均可从采空区抽出,容易更换,方便维修。牵引电机输出的转矩经三级圆柱齿轮和二级行星齿轮减速器减速后,由行星架输出,通过驱动轮与行走轮相啮合,再由行走轮与工作面刮板输送机上的齿轨啮合使采煤机来回行走,同时制动轴输出轴通过键与制动器相连,实现电牵引部的制动。左
3、右牵引部,中间电控箱的联结螺柱,定位销,摇臂与左右电牵引部铰接销轴四组,这些装置将采煤机各大部件联接成一个整体,起到紧固及连接的作用。牵引部与行走部做成一体,使机身整体尺寸紧凑,缩小了机身宽度。G400/900-WD型采煤机,操作方便,可靠性高,事故率低,开机效率高,可满足高产高效工作面的需要。关键词:采煤机;牵引部;行走部;行星齿轮ABSTRACTTheG400/900-WDcoalminingmachineismorethanonekindofmotor-driven,crosswisearrange
4、mentalternatingcurrenthaulingcoalminingmachine.Thismachinepowerisbig,themulti-electricalmachinerycrosswisearrangement,thecompletemachinestructureiscompact,usestheexchangefrequencyconversionvelocitymodulationsystem,thefrequencyconversionvelocitymodulationu
5、sesaircraft-borne-like.Cutstheelectricalmachinery,thepullingmotorandsoonmainparttobepossibletoextractfromtheworked-outsection,easytoreplace,facilitatestheservice.Thepullingmotoroutputstorquedeceleratesafterthethird-levelcylindricalgearsandthesecond-levelp
6、lanetgearreductiongear,bytheplanetcarrieroutputs,withwalksliningonthefeetandpalmsofbuddhameshingthroughthedrivinggear,bywalksagainroundandonworkingsurfacescraperconveyer'srackrailmeshingcausesthecoalminingmachinebackandforthtowalk,simultaneouslythebrakesp
7、indleoutputshaftisconnectedthroughthekeyandthebrake,realizestheelectricityhaulingdepartmentbrake.Aboutthehaulingdepartment,themiddleelectricallycontrolledbox'sjointstud,thepositioningpin,therockingshaftsellstheaxisfourgroupswithaboutelectricityhaulingdepa
8、rtmenthinge,theseinstallmentsjoincoalminingmachinevariousmajorassembliesawhole,playsthefasteningandtheconnectionrole.Thehaulingdepartmentwithwalkstomakeabody,causedthefuselageoverallsizetobecompact,reducedthefuselag