Heavy equipment is attached to slings and lifted by rollers raised and lowered in a structure with four pillars. Rollers prevent torque and provide vertical vectors. Roller axle supports move along the pillars. Two gantry crane frames are joined by cross and truss beams. Hydraulic jacks and pneumatic locks are controlled and sensed movements are communicated to processors for each pillar. One master processor communicates with a remote control. Sensors check lock and hydraulic cylinder position and allow roller movements only when positions are correct and all processors agree.
Heavy equipment lifting
28.03.2017
Patent
Elektronische Ressource
Englisch
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
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