Overhead travelling crane assembly
AssigneeSiemens Gamesa Renewable Energy A/S
InventorsBharath Jayadeva, Mithilesh Kumar
Life of this patent
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Abstract
Provided is an overhead travelling crane assembly including an overhead rail and a hoist unit realized to travel along the rail, characterized by a parking lock mounted to the hoist unit, which parking lock includes a brake assembly which, in its default position, prevents movement of the hoist unit along the overhead rail; and a release means realized to release the brake assembly to allow movement of the hoist unit along the overhead rail. Also provided is a method of operating such an overhead travelling crane assembly; and a wind turbine including such an overhead travelling crane assembly in the nacelle.
Claims14
An overhead travelling crane assembly comprising an overhead rail and a hoist unit configured to travel along the rail, and a parking lock mounted to the hoist unit, wherein the parking lock comprises:
- a brake assembly which, in its default position, prevents movement of the hoist unit along the overhead rail;
- and
- a release means configured to release the brake assembly to allow movement of the hoist unit along the overhead rail;
- wherein
- the brake assembly comprises a pair of pivot arms arranged to rotate in opposite directions about a pivot point;
- and
- the release means comprises a pull-strap suspended from the lower ends of the pivot arms configured to rotate the pivot arms outward about the pivot point.
The method according to 10, further comprising inserting a retainer through the tip of the safety pin.
Dependencies are inferred from the claim text.