A load handling device is provided for lifting and moving containers (10) stacked in a storage system comprising a grid framework. The load handling device comprises a vehicle body housing a wheel drive mechanism and a wheel assembly. The load handling device further comprises a container lifting assembly comprising a container gripping assembly (239), a plurality of winch assemblies (243) each comprising a rotatable drum (246) and a lifting tether (238) anchored at a first end to the gripping assembly (239) and at a second end to the drum (246), and a drive assembly configured to drive rotation of the drums (246) to raise the gripping assembly (239) into a container receiving space (240). Each drum (246) has an outer surface configured to accommodate a plurality of axially displaced turns of the lifting tether (238) across the drum (246).
WINCH ASSEMBLY OF A LOAD HANDLING DEVICE
2024-07-18
Patent
Elektronische Ressource
Englisch