Pipe Winch

The construction of offshore wind farms usually involves significant disturbances in the landscape and noisy construction works. When anchoring the wind turbine foundations, steel piles are driven more than 30 metres deep into the seabed. Each ram impact causes a sound wave that can be heard under water for kilometers. Sea dwellers who navigate with their hearing, among other things, are left disoriented by this noise. In addition, the noise can lead to hearing damage and stress, just as it does for humans, which should be prevented at all costs.

Task / Calculation

A new type of bubble curtain, which is placed around the noise source, is intended to significantly dampen this sound. For this purpose, a compressed air-filled nozzle hose is laid out on the seabed around the construction site by ship.

The client, who contacted Merkle & Partner, therefore needed a hose winch to store and transport the approximately 500-meter-long hose (weight approx. 10 kg/m) on the ship as well as to deploy and retrieve it. In order to achieve this, three hose winches were virtually constructed in the shortest possible time according to the requirements, calculated by using an FE model and designed according to the corresponding standards and monitored the complete production from assembly to delivery.

Results

  •  Development
  •  Construction
  •  Production
  •  Quality Control
  •  Logistics
  •  Assembly

CAD-Model

FEM-Calculation

End Product

Video

Contact our engineering office:

Stefan Merkle
  • +49 (0) 7321 9343-0
  • kontakt@merkle-partner.de

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