Liftra

Liftra is an engineering company specialized in lifting and transport equipment for wind turbines. Since the start-up in 2003 the company has carried out over 500 projects; its most extensive development project has been a self-hoisting add-on crane for wind turbines in the +4MW class, that is able to replace 19 Ton components.[1]

The main office is in Aalborg, Northern Jutland, Denmark with approx. 20 engineers. Offices in Germany, USA, Spain and China.[2]

Projects and operations
Self-Hoisting Crane changing a gear box.
Blade Dragon installing a single blade on wind turbine hub.
  • Self-hoisting Crane. WLL 19 Ton.[3]
  • Blade Dragon. Single blade installation yoke.[4][5]
  • Stacking system for tower sections during sea transport.[6]
  • Lifting yoke for handling and turning of +60m blades. WLL 22 Ton.
  • Adjustment yoke for drive train. WLL 77 Ton.
  • Lifting bracket for bottom tower section. Turn from horizontal to vertical.
  • Davit cranes for offshore wind turbine base. WLL 800 kg.
  • Gantry Carrier. WLL 90 Ton. Battery driven. Remote controlled.[7]

References
  1. "Liftra - Lifting and Transportation Equipment for the Wind Turbine Industry". Power Technology. Retrieved 13 December 2012.
  2. Gill, Erin. "Liftra focuses on rapid loading for offshore projects". Wind Power Offshore. Retrieved 13 December 2012.
  3. "Stort potentiale i ny kran fra Liftra". Hub North. Archived from the original on 12 February 2013. Retrieved 13 December 2012.
  4. "Blade Dragon". State of Green. Archived from the original on 21 January 2016. Retrieved 13 December 2012.
  5. R. Simonsen, Torben. "Liftra indstiller Blade Dragon". Archived from the original on 3 February 2013. Retrieved 13 December 2012.
  6. "Liftra Tower Stacking System". Horsens Folkeblad. Retrieved 13 December 2012.
  7. "Liftra - Lifting and Transportation Equipment for the Wind Turbine Industry". Power Technology. Retrieved 13 December 2012.
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