(57) Abstract Objective When lifting gear such as crane is used, without,That being, displacing the burden of human strength to the utmost, cylinder component mutual concatenaionAt the same time quick it becomes accurately execution possible. Constitution Pulling up power the jack device and the interlock yes which occurTalent, the cylinder component 43 which stand facilities is done first with respect to the foundation it is concatenatedIn pulling up component 3 and next with respect to foundation cylinder component 53 of stand facilities scheduleWith it is concatenaion, the stand facilities induction component 23 which has been closed and pin 37To consist of, with the said pin 37, pulling up component 3 and stand facilities invitingDerived component 23 being mutually time motion unrestricted, at the same time in axial direction portable unrestrictedWith forming, it is concatenaion, closing, the cylinder component concatenated induction feature 1 which it formsWith it does.
展开▼
