ZD型电动转辙机ZDElectricSwitchMac

ZD6型电动转辙机ZD6ElectricSwitchMachine天津铁道职业技术学院铁路信号基础设备维护高速铁路道岔转辙设备结构组成及作用ZD6系列电动转辙机是铁路上使用非常广泛的电动转辙机，由于ZD6型电动转辙机采用内锁闭方式，不适用于提速道岔，所以主要用于非提速区段以及提速区段的侧线上。ZD6型电动转辙机主要由电动机、减速器、摩擦联结器、主轴、动作杆、表示杆、移位接触器、外壳等组成，如图所示底壳安全接点电机减速器电机接线端子自动开闭器摩擦联结器表示杆动作杆主轴锁闭齿轮齿条块移位接触器插接器

ZD6serieselectricswitchmachineisaverywidelyusedelectricswitchmachineonrailroads.SinceZD6electricswitchmachineadoptsinternallockingmethod,itisnotapplicabletospeed-upswitchs,soitismainlyusedonnon-speed-upsectionsandsidingofspeed-upsections.

ZD6typeelectricswitchmachinemainlyconsistsofmotor,reducer,frictioncoupling,spindle,actionrod,indicatingrod,shiftingcontactorandhousing,asshowninFigureStructureandFunctionofHigh-SpeedRailwaySwitch高速铁路道岔转辙设备结构组成及作用（一）主要部件及作用电动机内部接线行星传动式减速器起动片主轴锁闭齿轮和齿条块转辙机内锁闭过程ZD6ElectricSwitchMachine1.StructureofZD6electricswitchmachineStructureandFunctionofHigh-SpeedRailwaySwitchMotorinternalwiringPlanetarydrivetypereducerStarterplate(Unit:mm)mainshaft(Unit:mm)LockinggearandrackblockInternallockingofswitchmachine高速铁路道岔转辙设备结构组成及作用（一）主要部件及作用自动开闭器及与表示杆的动作关系速动片及其原理摩擦联结器表示杆起动片、速动片及速动爪的动作关系ZD6ElectricSwitchMachineStructureandFunctionofHigh-SpeedRailwaySwitchAutomaticshutterequipmentandtherelationshipwiththeactionoftheindicatedleverRelationshipsbetweentheactionofthestarterplate,quick-actionplateandquick-actionclawSpeedingpiece(Unit:mm)Speed-actionprincipleindicatingrodStructureoffrictionconnector高速铁路道岔转辙设备结构组成及作用（一）主要部件及作用挤切装置移位接触器ZD6ElectricSwitchMachineStructureandFunctionofHigh-SpeedRailwaySwitchShiftcontactorSqueezingandcuttingdevice高速铁路道岔转辙设备结构组成及作用（二）转辙机的安装1.ZD6型转辙机的安装ZD6型转辙机安装在不等边角钢上，角钢通过角形铁固定在基本轨上，密贴调整杆通过立式杆架与道岔的第一连接杆相连，再通过螺栓与电动转辙机的动作杆相连。动作杆通过密贴调整杆、第一连接杆带动道岔尖轨转换并密贴。通过密贴调整杆上的轴套，可调整尖轨的密贴。尖端杆通过尖端铁固定在尖轨上，再通过舌铁与连接杆的接头铁相连，连接杆通过螺栓与电动转辙机的表示杆相连。这样，尖轨的位置可由表示杆来反映。通过尖端杆上的螺母可调整前表示杆缺口的位置。2.ZD6型转辙机的安装方式电动转辙机宜设在线路外侧，一般都将转辙机的电动机对向岔尖，视电动转辙机的安装位置分为正装和反装。它们的区别在于动作杆相对于电动机的伸出位置。若站在电动机侧看动作杆向右伸，即为正装；动作杆向左伸，即为反装。如图所示。ZD6ElectricSwitchMachine2.Installationofswitchmachine1.InstallationofZD6switchmachineZD6switchmachineisinstalledonunequalanglesteel.Theanglesteelisfixedonthebasicrailthroughangleiron.Theclosefittingadjustingrodisconnectedwiththefirstconnectingrodoftheturnoutthroughtheverticalpoleframe,andthenconnectedwiththeactuatingrodoftheelectricswitchmachinethroughbolts.Theactuatingroddrivestheswitchrailoftheturnouttoswitchandstickcloselythroughtheclosefittingadjustingrodandthefirstconnectingrod.Thefittingoftheswitchrailcanbeadjustedthroughtheshaftsleeveonthefittingadjustingrod.Thetiprodisfixedontheswitchrailthroughthetipiron,andthenconnectedwiththeconnectorironoftheconnectingrodthroughthetongueiron.Theconnectingrodisconnectedwiththeindicatorrodoftheelectricswitchmachinethroughbolts.Thepositionofthefrontindicatorrodnotchcanbeadjustedbythenutonthetiprod.StructureandFunctionofHigh-SpeedRailwaySwitch2.InstallationmethodofZD6switchmachineTheelectricswitchmachineshouldbelocatedontheoutsideoftheline,andtheelectricmotoroftheswitchmachineisgenerallyfacingthetipoftheswitch,dependingontheinstallationpositionoftheelectricswitchmachine,itisdividedintoforwardandreverseinstallation.Thedifferencebetweenthemliesinthepositionoftheactionbarinrelationtothemotor.Ifyoustandon