第3章_矿用电机车

为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行：andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacement;guaranteedundervariousconditions,stressarewithintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinterfacetomeetpipelinethrust(torque)limitrequirements;increasethestabilityofpipingsystemstopreventpipeline...Tubewallthickness(mm)2-34-67-10weldformnoslopemouthweldstrengtheningheighth(mm)1-1.51.5-2weldwidthb(mm)5-67-6hasslopemouthweldstrengtheningheighth(mm)1.5-22weldwidthb(mm)coverhadeachedgeslopemouthabout2mmargonarcweldingweldstrengtheningsurfaceheightandwidthtubewallthickness(mm)2--33--45--6weldformweldstrengtheningheighth(mm)1-1.51.5-22-2.5widthb(mm)单元标题：第三章矿用电机车（单元教案首页）教学时数：（6）学时，其中理论授课（6）学时、实验（课外）（）学时、上机（）其它（）学时，其它是指：教学目的与要求：1、理解和掌握矿用电机车主要部件的结构2、了解掌握轨道与矿车的技术要求主要教学内容：1、矿用电机车概述2、矿用电机车的机械结构3、轨道与矿车教学重点与难点：重点：矿用电机车的和功能难点：轴箱和人车课后作业：课后体会：结合身边见过的的矿用电机车说出矿用电机车的结构。内容扩展：毕业设计和生产实际上次课内容回顾及本次课内容引出：（5分种）1、带式输送机的组成部分2、带式输送机的传动原理3、带式输送机的安全保护4、结合身边见过的的电机车说出矿用电机车的结构及选型计算为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行：andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacement;guaranteedundervariousconditions,stressarewithintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinterfacetomeetpipelinethrust(torque)limitrequirements;increasethestabilityofpipingsystemstopreventpipeline...Tubewallthickness(mm)2-34-67-10weldformnoslopemouthweldstrengtheningheighth(mm)1-1.51.5-2weldwidthb(mm)5-67-6hasslopemouthweldstrengtheningheighth(mm)1.5-22weldwidthb(mm)coverhadeachedgeslopemouthabout2mmargonarcweldingweldstrengtheningsurfaceheightandwidthtubewallthickness(mm)2--33--45--6weldformweldstrengtheningheighth(mm)1-1.51.5-22-2.5widthb(mm)第三章矿用电机车第一节概述机车是轨道车辆运输的一种牵引设备，按使用的动力分，有电机车和内燃机车。牵引电机(或内燃机)驱动车轮转动，借助车轮与轨面间的摩擦力，使机车在轨道上运行。这种运行方式，它的牵引力不仅受牵引电机(或内燃机)功率的限制，还受车轮与轨面间的摩擦制约。机车运输能行驶的坡度有限制，运输轨道坡度一般为3‰，局部坡度不能超过30‰。图3—1架线式电机车的供电系统1——牵引交流所；2——馈电线；3——馈电点；4——架空裸导线；5——电机车；6——运输轨道；7——回电点；8——回电线；9——矿车架线式电机车运行时，受电弓与架空线间难免发生火花。因此架线式电机车只能在低沼气矿井进风(全风压通风)的主要运输巷道内使用，巷道支护必须使用不燃性材料；如在高沼气矿井进风(全风压通风)的主要运输巷道内使用架线式电机车，必须遵守《煤矿安全规程》有关规定。蓄电池式电机车由车上携带的蓄电池供电，运输线路不受限制，但需要充电设施，蓄电池放电到规定值时需更换。蓄电池电机车，只一端有驾驶室，向另一端运行时，电油箱阻碍司机视线，司机只好探身室外了望，容易发生事故。采用双驾驶室能解决这一不安全因素，现在已有双驾驶室蓄电池式电机车。蓄电池式电机车按其防爆安全性能分为①防爆安全型电动机、控制器、灯具、电缆插销等均为防爆型，蓄电池和电池箱为普通安全型用于以全风压通风的瓦斯矿井主要运输巷道、掘进岩石巷道②防爆特殊型两种。电动机、控制器、灯具、电缆插销等为隔爆型，蓄电池则为防爆特殊型。主要用于瓦斯矿井的主要回风道和采区进风及回风道。第二节轨道与矿车一、轨道内蒙古科技大学电子教案-第3页-为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行：andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.aclearde