Jib crane for a wind turbine, jib crane kit, transport system and maintenance system as well as methods
A modular jib crane for a nacelle for a wind turbine includes: a base element for attaching the crane to the nacelle, a pillar, wherein the pillar is coupleable with the base element at a first end of the pillar, and a first crane arm, wherein the first crane arm is coupleable with the pillar at a first end of the first crane arm, wherein at least one of the pillar and the first crane arm includes a plurality of modules coupleable with each other to form the pillar or first crane arm.
1 . A modular jib crane kit for assembling a modular jib crane having a base element for attaching the crane to a nacelle, a pillar, a first crane arm, and a second crane arm, the pillar being couplable with the base element at a first end of the pillar, and, the first crane arm being coupleable with the pillar at a first end of the first crane arm, the modular jib crane kit comprising:
a multitude of base elements, wherein each of said multitude of base elements is configured to mate with a different nacelle configuration;
a plurality of pillar modules configured to form different types of the pillar in dependence upon the nacelle configuration;
at least one of a plurality of first crane arm modules and a plurality of second crane arm modules configured to form different types of at least one of the first crane arm and the second crane arm in dependence upon the nacelle configuration; and, an add-on crane, wherein said add-on crane is coupleable with the pillar and is configured to move at least one of said plurality of pillar modules, said plurality of first crane arm modules, and said plurality of second crane arm modules during assembly of the crane.
2 . The modular jib crane kit of claim 1 further comprising:
a first pivot joint, wherein said first pivot joint is coupleable with said pillar at a second end of said pillar; and,
said first crane arm being coupleable with said pillar at said first end of said first crane arm via said first pivot joint such that said first crane arm is pivotable relative to said pillar in a coupled state.
3 . The modular jib crane kit of claim 1 further comprising:
a second pivot joint, wherein the second pivot joint is coupleable with said first crane arm at a second end of said first crane arm;
a second crane arm, wherein the second crane arm is coupleable with said first crane arm at a first end of said second crane arm via said second pivot joint such that said second crane arm is pivotable relative to said first crane arm in a coupled state; and,
wherein at least one of said pillar, said first crane arm and said second crane arm includes said plurality of modules coupleable with each other to form said pillar, said first crane arm, or said second crane arm.
4 . The modular jib crane kit of claim 3 , wherein said plurality of modules are at least one of identical, of an identical geometry with differing dimensions, and identical except for different coupling faces or lack of coupling faces.
5 . The modular jib crane kit of claim 3 further comprising:
a first pivot joint, wherein said first pivot joint is coupleable with said pillar at a second end of said pillar;
said first crane arm being coupleable with said pillar at said first end of said first crane arm via said first pivot joint such that said first crane arm is pivotable relative to said pillar in a coupled state; and,
at least one of said first pivot joint and said second pivot joint being rotatable with respect to a planar surface whose normal direction is aligned with a longitudinal axis of said pillar.
6 . The modular jib crane kit of claim 1 , wherein said base element is configured to be attached to a support structure inside said nacelle.
7 . A transport system for the modular jib crane of claim 1 , the transport system comprising a single basket which is configured to carry the plurality of modules.
8 . The transport system of claim 7 , wherein said single basket is configured to additionally carry the add-on crane.