4、构机械装配部分也进行了设计,最后对影响起重机起重能力的支腿型式及其跨距的确定进行了简要说明。设计的车载起重机能够满足使用功能要求,安全可靠,结构合理,重量轻,操作使用方便,对许多生产场合与起重运输等行业,具有很强的现实意义。关键词:车载起重机;液压系统;回转机构;液压缸IIIABSTRACTThe designand productionofthe vehiclemountedcrane have more than50 yearshistoryinourcountry.The development ofvehiclemounted crane, however,wass
5、lo w asthe wellknownreason.Since1990s,it wasaccelerated inourcountry,but the productsstillcould not reachthe advanced international levelin the qualitystability,aut omation,and intelligent.Withthe need vehiclemounted crane to move and shift prod uctionequipment,products,componentsand goods
6、,etc.Vehiclemounted crane in lift ing the transport industryand the role offield operationswillbe increasing,and the m arket will be growing,too.Inthispaper,the designoftruck crane isstudied in detailand subchapter,eachsection isdiscussed inthe designprocess.Choosing the vehicle chassiswhi
7、ch loading t he cranesisdescribed at first.Next isto identifytechnicalparametersofcrane.And th e designofthe vehicle withthe liquid presssystemisthe key.The design method ofmain mechanismsofthe crane,which includesthe winchsectionand the rotarybearin g section