Heli-hoist platform

Abstract

A heli-hoist platform that is an integral part of the nacelle is disclosed. A floor of the heli-hoist platform is formed by a roof of the nacelle. The floor of the heli-hoist platform may include a nonslip surface. The floor of the heli-hoist platform may include an entrance to the nacelle.

1 . A heli-hoist platform for a nacelle of a wind turbine, comprising:
 a floor of the heli-hoist platform, wherein the floor of the platform is formed by a roof of the nacelle.   
     
     
         2 . The heli-hoist platform according to  claim 1 , further comprising:
 railings attached to the floor of the heli-hoist platform,   wherein the railings is define the borders of the heli-hoist platform, and are provided to avoid parts sliding off the heli-hoist platform or missing the heli-hoist platform while being lowered to the heli-hoist platform.   
     
     
         3 . The heli-hoist platform according to  claim 1 ,
 wherein the floor of the heli-hoist platform is covered with a non-slip surface to prevent accidents.   
     
     
         4 . The heli-hoist platform according to  claim 1 ,
 wherein the heli-hoist platform includes an entrance through the floor of the heli-hoist platform to allow the service crew to enter the wind turbine from the heli-hoist platform.   
     
     
         5 . The heli-hoist platform according to  claim 1 ,
 wherein the floor of the heli-hoist platform is equipped with an additional weight bearing support inside the nacelle.   
     
     
         6 . The heli-hoist platform according to  claim 2 ,
 wherein the floor of the heli-hoist platform includes a plurality of integrated fastening points to attach the railings to the floor of the heli-hoist platform.   
     
     
         7 . The heli-hoist platform according to  claim 6 ,
 wherein the several integrated fastening points are attached to the floor of the heli-hoist platform by bolts or screws.   
     
     
         8 . The heli-hoist platform according to  claim 6 ,
 wherein the plurality of integrated fastening points are configured to attach feet of the railings to the floor of the heli-hoist platform.   
     
     
         9 . The heli-hoist platform according to  claim 1 ,
 wherein the nacelle includes a stronger integral support with more support bars in the area of the heli-hoist platform.