ZD6型電動轉轍機ZD6ElectricSwitchMachine天津鐵道職業技術學院鐵路信號基礎設備維護高速鐵路道岔轉轍設備結構組成及作用ZD6系列電動轉轍機是鐵路上使用非常廣泛的電動轉轍機，由于ZD6型電動轉轍機采用內鎖閉方式，不適用于提速道岔，所以主要用于非提速區段以及提速區段的側線上。ZD6型電動轉轍機主要由電動機、減速器、摩擦聯結器、主軸、動作桿、表示桿、移位接觸器、外殼等組成，如圖所示底殼安全接點電機減速器電機接線端子自動開閉器摩擦聯結器表示桿動作桿主軸鎖閉齒輪齒條塊移位接觸器插接器

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

ZD6typeelectricswitchmachinemainlyconsistsofmotor,reducer,frictioncoupling,spindle,actionrod,indicatingrod,shiftingcontactorandhousing,asshowninFigureStructureandFunctionofHigh-SpeedRailwaySwitch高速鐵路道岔轉轍設備結構組成及作用（一）主要部件及作用電動機內部接線行星傳動式減速器起動片主軸鎖閉齒輪和齒條塊轉轍機內鎖閉過程ZD6ElectricSwitchMachine1.StructureofZD6electricswitchmachineStructureandFunctionofHigh-SpeedRailwaySwitchMotorinternalwiringPlanetarydrivetypereducerStarterplate(Unit:mm)mainshaft(Unit:mm)LockinggearandrackblockInternallockingofswitchmachine高速鐵路道岔轉轍設備結構組成及作用（一）主要部件及作用自動開閉器及與表示桿的動作關系速動片及其原理摩擦聯結器表示桿起動片、速動片及速動爪的動作關系ZD6ElectricSwitchMachineStructureandFunctionofHigh-SpeedRailwaySwitchAutomaticshutterequipmentandtherelationshipwiththeactionoftheindicatedleverRelationshipsbetweentheactionofthestarterplate,quick-actionplateandquick-actionclawSpeedingpiece(Unit:mm)Speed-actionprincipleindicatingrodStructureoffrictionconnector高速鐵路道岔轉轍設備結構組成及作用（一）主要部件及作用擠切裝置移位接觸器ZD6ElectricSwitchMachineStructureandFunctionofHigh-SpeedRailwaySwitchShiftcontactorSqueezingandcuttingdevice高速鐵路道岔轉轍設備結構組成及作用（二）轉轍機的安裝1.ZD6型轉轍機的安裝ZD6型轉轍機安裝在不等邊角鋼上，角鋼通過角形鐵固定在基本軌上，密貼調整桿通過立式桿架與道岔的第一連接桿相連，再通過螺栓與電動轉轍機的動作桿相連。動作桿通過密貼調整桿、第一連接桿帶動道岔尖軌轉換并密貼。通過密貼調整桿上的軸套，可調整尖軌的密貼。尖端桿通過尖端鐵固定在尖軌上，再通過舌鐵與連接桿的接頭鐵相連，連接桿通過螺栓與電動轉轍機的表示桿相連。這樣，尖軌的位置可由表示桿來反映。通過尖端桿上的螺母可調整前表示桿缺口的位置。2.ZD6型轉轍機的安裝方式電動轉轍機宜設在線路外側，一般都將轉轍機的電動機對向岔尖，視電動轉轍機的安裝位置分為正裝和反裝。它們的區別在于動作桿相對于電動機的伸出位置。若站在電動機側看動作桿向右伸，即為正裝；動作桿向左伸，即為反裝。如圖所示。ZD6ElectricSwitchMachine2.Installationofswitchmachine1.InstallationofZD6switchmachineZD6switchmachineisinstalledonunequalanglesteel.Theanglesteelisfixedonthebasicrailthroughangleiron.Theclosefittingadjustingrodisconnectedwiththefirstconnectingrodoftheturnoutthroughtheverticalpoleframe,andthenconnectedwiththeactuatingrodoftheelectricswitchmachinethroughbolts.Theactuatingroddrivestheswitchrailoftheturnouttoswitchandstickcloselythroughtheclosefittingadjustingrodandthefirstconnectingrod.Thefittingoftheswitchrailcanbeadjustedthroughtheshaftsleeveonthefittingadjustingrod.Thetiprodisfixedontheswitchrailthroughthetipiron,andthenconnectedwiththeconnectorironoftheconnectingrodthroughthetongueiron.Theconnectingrodisconnectedwiththeindicatorrodoftheelectricswitchmachinethroughbolts.Thepositionofthefrontindicatorrodnotchcanbeadjustedbythenutonthetiprod.StructureandFunctionofHigh-SpeedRailwaySwitch2.InstallationmethodofZD6switchmachineTheelectricswitchmachineshouldbelocatedontheoutsideoftheline,andtheelectricmotoroftheswitchmachineisgenerallyfacingthetipoftheswitch,dependingontheinstallationpositionoftheelectricswitchmachine,itisdividedintoforwardandreverseinstallation.Thedifferencebetweenthemliesinthepositionoftheactionbarinrelationtothemotor.Ifyoustandon