Folding-arm Gantry Cranes

High folding-arm crane is a crane, is a circulation, intermittent motion machine. One cycle includes: extract from the floor to lift and level to the specified location lowered, then reverse motion, take the device home, for the next cycle. Usually lifting by hoist mechanism (goods movement up and down), mechanism (allows the crane to move), luffing and slewing mechanism (article for horizontal movement), together with metal body, power, control and auxiliary combination becomes necessary.