Rotor lifting bracket

Design and verification of a lifting bracket for down/up-ending of the 2.3-93 rotor during service.

The task included:

  • Design risk assessment and instructional handbook in accordance with harmonized standards.
  • 2D drawings of lifting bracket.
  • Creation of handling, mounting, lifting and tension test instructions.
  • Load determination taking into account critical wind loading at blades during down/up-ending.
  • Detailed finite element analysis in ANSYS of lifting bracket and bolted flange connection towards rotor interface.
  • Determination of minimum capacity and maximum loads allowed by tagline system.
  • Reporting including utilization of all load carrying members.
  • CE-marking and CG3-approval by DNV.

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