sany起重机电气培训ppt课件中英文.ppt

SYMC,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,/48,SANY Heavy Industry Co.,Ltd.,SANY Overseas,起重机上车电气控制系统,Crane superstructure electrical control system,一、汽车起重机对上车电气系统的控制要求,Truck crane,superstructure,electrical system control requirements,二、汽车起重机上车电气系统概述,（一）、上车电气控制系统操作元件,operating element,（二）、上车力矩限制器系统主要组件,the main electrical control system components,（三）、超载安全保护系统主要功能,Overloading of the main functions of the safety protection system,三、电气原理图介绍,1,、,QY25CY2,电气原理图,QY25CY2 electrical schematics,2,、,QY60CY2,电气原理图,QY60CY2 electrical schematics,四、常见故障分析,11/6/2024,1,一、汽车起重机,对上车电气系统的控制要求,符合国家、行业、企业标准,Consistent with national,industry and enterprise standards,GB3811-83,起重机设计规范,GB6067-85,起重机械安全规程,GB5905-86,起重机试验规范和程序,GB50278-98,起重设备安装工程施工及验收规范,等,最大限度满足用户使用需要,Maximum to meet user needs,吊得起、放得下，工作要稳定,Hanging affordable,fit,work to stabilize,使用安全可靠，控制要精准,The use of safe,reliable,and precise control to,操作维护方便，施工效率要高,Convenient operation and maintenance,construction efficiency higher,11/6/2024,2,二、,汽车起重机上车电气系统概述,11/6/2024,3,上车电气系统通过底盘获得单线负极搭铁直流,24V,的电源,。

主要包括力矩限制器、主副卷扬三圈保护装置、过卷保护装置，各种开关，指示灯雨刷，喇叭，空调是可选装置The superstructure electric system gets the electric power from chassis in the way of single-lined and negative-ground system with DV24V.the superstructure electric system mainly includes the limiter of moment,the protect devices of over-rolling and 3-circles over-charge in main/auxiliary winch,kinds of switches,indictor camps,lights,screen wipers,horn,and so on.The air-condition is the optional part.,11/6/2024,4,（一）、上车电气控制系统操作元件,operating element,use,s,guide P.99,1,、,Electric devices in the drivers cab General instruction,pedal horn switch,Moment Limiter,C)buzz,D)display screen,E)front wiper motor,F)top wiper motor,G)top light,H)fan,control panel,J)controller box,11/6/2024,5,2,、,the cab control panel illustration,（,QY25CY,）,H1electric power indicator light S1motor start switch,H2over load indicator light S2meter light switch,H3over-low pressure of lubricating oil indicator S3motor off switch,H43-circle protect indicator light S4configuration light switch,H5over rolling indicator light S5working light switch,H6over high temperature of coolant indicator light S6screen wipers switch,H7over load releasing alarm plate S8hydraulic oil cooler switch,S10winch speed-select switch(optional)S9working switch,S11over-rolling release,switch(force,switch),S12over load release switch,S15scouring water switch,11/6/2024,6,S1,motor start switch Put the starting key into the lock,turn clockwise to position I and the power is on.The superstructure get electricity.,（,Notice:,the speed of engine will up to 800RPM,automately,.To protect the hydraulic system,the rotate speed of engine does not exceed 1900RPM!,）,Go on turning the key to position III,the engine will start.The time keeping on the position III must be less than 5 seconds,and the time every start action must ensure it is more than 15 seconds.If the action of staring is more than 3 times,you should check the malfunction,。

S3,motor off switch Turn the stating key to gear I,keep it up for 1-2 seconds,the engine is switched off.,S8,hydraulic oil cooler switch When the temperature of working hydraulic oil is too high,you should press down this switch to start the oil-cooling fan.,3,、,key switch function,11/6/2024,7,S9,working switch The crane could be operated only by pressing this switch.It could prevent the dangerous crane action occurred by unconscious operation.,S10,winch speed-select switch(optional)*,This switch works with the Moment Limiter to control the rotating speed of the winch,press down this switch,the speed of winch will be up when the hoisting load is small.,S11,over-rolling release,switch(force,switch)*,Press down this switch,the limit of rolling(as the hook lifting)and the limit of telescopic action with load both will release.You must take care to operate the crane when pressing down it.,S12,over load release switch *,Press down this switch,the limit of over load will be released.It is very dangerous for operation.This switch is used only for maintenance.Prohibit use this switch to work in over load state.,S,？,Shifting Switch between Extension/Contraction and Auxiliary Hoist,When pressing this switch the action of hanging boom will,stop,the,auxiliary hoist will begin.,3,、,key switch function,11/6/2024,8,S13,Overhaul Switch,（,only QY60CY)When pressing this switch at the 1st boom mode,only the 3rd,4th,5th booms will act;when pressing this switch at any mode rather than 1st boom mode,the buzzer will give an alarm,the display will indicate that,“,Please shift under the 1st boom mode!,”,and any extension or contraction will be interrupted.,S14,oil cylinder shifting switch,（,only QY60CY)the extension and contraction of the 2nd boom is driven by the I#oil cylinder,and the extension and contraction of 4th and 5th booms is driven by the II#oil cylinder through the wire rope pulley mechanism,synchronistically,with the 3rd,boom.When,the I#oil cylinder extends to the right position,press thi。