带式输送机毕业论文.doc

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1、带式输送机毕业论文目录摘要IAbstractII第1章绪论11.1国内外带式输送机的发展现状11.2带式输送机的分类21.3选题的目的、意义和本文主要的研究内容31.4设计目标及原始参数4第2章输送机总体结构设计计算52.1输送机总体方案确定52.2输送机的基本功能参数62.2.1输送带的宽度及校核62.2.2输送带层数的计算82.2.3输送带强度的校核92.2.4输送带最大的物料横截面积112.2.5总圆周驱动力计算122.3输送带张力计算172.3.1输送带允许最大的下垂度计算最小张力172.3.2输送带不打滑条件182.3

2、.3各种驱动力分配情况下各点张力计算202.4电动机功率计算及布置方案242.5液压拉紧装置的原件选择和计算252.5.1拉紧力和拉紧行程的计算252.5.2拉紧行程的确定25第3章主要传动部件设计27633.1减速器设计273.1.1传动比的分配和传动效率的选择273.1.2传动装置的运动和动力参数计算283.1.3齿轮传动设计303.1.4轴的设计403.1.5键的选择和校核503.1.6滚动轴承的选择与校核503.2托辊的校核523.2.1校核辊子载荷533.2.2托辊的额定负荷和最大转速543.3其它设备的选型553.3

3、.1滚筒的选择553.3.2导料槽及清扫器选型563.3.3制动及逆止装置563.3.4保护设备与其他辅助设备选型57第4章经济与技术分析58结论59致谢60参考文献6163CONTENTSAbstract(Chinese)IAbstractIIChapter1Introduction11.1Developmentofbeltconveyorathomeandabroad11.2Classificationofbeltconveyor21.3Thepurposeoftopics,significanceandcontentoft

4、hismajorresearch31.4Designobjectivesandtheoriginalparameters4Chapter2Conveyordemonstratetheoverallprogram5Chapter3Conveyordesignandcalculationoftheoverallstructure73.1Theparametersofthebasicfunctionsofconveyor73.1.1Thewidthofconveyorbeltandcheck73.1.2Calculationofbel

5、tlayers93.1.3Checkofbeltstrength103.1.4Thelargestcrosssectionareaofconveyorbeltmaterial123.1.5Calculationofthetotalcircledrive133.2Calculationofbelttension183.2.1Conveyorbelttoallowthelargestminimumtensionsagcalculation183.2.2Conveyorbeltdoesnotslipconditions193.2.3D

6、istributionofthevariousdriverspointsundertensioncalculation213.3MotorpowercalculationandLayout253.4Hydraulictensioningdeviceoftheoriginalselectionandcalculation263.4.1Tensionforceandtensioncalculationoftravel263.4.2Determinationoftensiontrip26Chapter4Designofthemaint

7、ransmissionparts284.1Reducerdesign28634.1.1Transmissionratioofthedistributionandtransmissionefficiencyoftheselection284.1.2Transmissionofmotionandcalculationofdynamicparameters294.1.3GearTransmissionDesign314.1.4Designofshaft414.1.5Selectionandcheckofkey514.1.6Select

8、ionandcheckofrollingbearings514.2Checkidlers534.2.1Checkofrollerload544.2.2Rollerratedloadandthemaximumspeed554.3Selectionofothereq