The invention describes an overhead travelling crane assembly (1) comprising an overhead rail (10) and a hoist unit (11) realized to travel along the rail (10), characterized by a parking lock (12) mounted to the hoist unit (11), which parking lock (12) comprises a brake assembly (12A, 12P, 12S, 12B) which, in its default position (S0), prevents movement of the hoist unit (11) along the overhead rail (10); and a release means (120) realised to release the brake assembly (12A, 12P, 12S, 12B) to allow movement of the hoist unit (11) along the overhead rail (10). The invention also describes a method of operating such an overhead travelling crane assembly (1); and a wind turbine (2) comprising such an overhead travelling crane assembly (1) in the nacelle (20).
OVERHEAD TRAVELLING CRANE ASSEMBLY
HÄNGE-LAUFKRANANORDNUNG
ENSEMBLE DE PONT ROULANT
2020-09-09
Patent
Electronic Resource
English