三层货运电梯曳引机及传动系统设计

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1、图书分类号：密级：毕业设计(论文)三层货运电梯曳引机及传动系统设计TODESIGNTRACTORANDTRANSMISSIONSYSTEMOFTHREEFREIGHTELEVATOR学生姓名学院名称专业名称指导教师20**年5月27日摘要电梯的曳引机主要是由曳引绳、电动机、减速器、曳引轮、制动器和联轴器组成。根据电梯运行的速度和载荷来选用电动机和制动器。曳引绳的设计，首先选用一种曳引绳的绕法，再由它的受力情况来选择曳引绳的数量和截面积。减速器是设计的主体部分，要根据电动机的转速、电梯的运行速度、曳引轮的直径等参数设计减速器。电梯是利用曳引钢丝绳与曳引轮缘

2、上绳槽的摩擦力传递动力，所以必须设计表面摩擦系数大且耐磨的曳引轮。选用刚性联轴器，保证传递的动力，但要求两轴的对中度较高。关键词货运电梯；曳引机；组成；设计IAbstractElevatortractionmachinemainlybythetractionrope,motor,reducer,tractionwheels,brakesandcouplingcomponents.Theoperatingspeedoftheelevatorandloadtheselectionofmotorandbrake.Thedesignofthetractionro

3、pe,firstchooseatractionropearoundthelaw,thentheforcesittochoosethenumberofthetractionropeandcross-sectionalarea.Reduceristhemainpartofthedesign,accordingtomotorspeed,liftspeed,tractionwheelgeardesignparameterssuchasdiameter.Liftistheuseoftractionontherimofthetractionropefrictiong

4、roovetransmitpower,itmustdesignandwear-resistantsurfacefrictioncoefficientofthetractionwheel.Rigidcouplingusedtoensurethetransferofpower,butrequiresmoderatelyhighonbothaxes.KeywordsFreightelevatorTractionmachinecompositiondesignII目录摘要..............................................

5、....................................................................................................IAbstract..........................................................................................................................................II1绪论............................

6、.................................................................................................................11.1课题研究的背景意义..........................................................................................................11.2曳引机的介绍......................................

7、................................................................................21.2.1曳引机的分类................................................................................................................21.2.2曳引机的结构................................................................

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