Semi-finished product for a cable guide system of a wind turbine component, wind turbine component, wind turbine rotor blade and methods

1. A semi-finished product ( 134 ) for a cable guide system in a wind turbine component comprising a layer-like structure ( 135 ) with

a carrier tape ( 136 ),

a plurality of cable fastening elements ( 138 ) fixed on the carrier tape ( 136 ), wherein the plurality of cable fastening elements ( 138 ) are distributed along a length (L) of the carrier tape ( 136 ), and

a top layer ( 142 ) with a plurality of cutouts or incisions ( 144 ), wherein the cable fastening elements ( 138 ) are arranged between the top layer ( 142 ) and carrier tape ( 136 ) in such a way that each cable fastening element ( 138 ) at least in part projects out from the top layer ( 142 ) from a corresponding cutout or incision ( 144 ),

wherein the semi-finished product ( 134 ) comprises at least one cable retained by at least one of the cable fastening elements ( 138 ).

2. The semi-finished product ( 134 ) as claimed in claim 1 , wherein the cable fastening elements ( 138 ) are adhesively bonded to the carrier tape ( 136 ).

3. The semi-finished product ( 134 ) as claimed in claim 1 , including one or more mesh adhesive tapes ( 146 ), which are arranged between the top layer ( 142 ) and the carrier tape ( 136 ) and adhesively connect the top layer ( 142 ) and the carrier tape ( 136 ) together.

4. The semi-finished product ( 134 ) as claimed in claim 1 , wherein the carrier tape ( 136 ) has a layer of a peel ply fabric ( 152 ) on an underside ( 150 ) which is facing away from the cable fastening elements ( 138 ).

5. The semi-finished product ( 134 ) as claimed in claim 1 , wherein the top layer ( 142 ) includes one or more fiber material layers.

6. The semi-finished product ( 134 ) as claimed in claim 1 , wherein the cable fastening elements ( 138 ) take the form of cable holders.

7. The semi-finished product ( 134 ) as claimed claim 1 , wherein the cable fastening elements ( 138 ) have orifices or openings ( 164 ), wherein the orifices or openings ( 164 ) are configured for fastening cables, tubes or fastening components.

8. The semi-finished product ( 134 ) as claimed in claim 7 , wherein the cable fastening elements ( 138 ) are configured such that an empty conduit, a cable or connection element may be received in latching manner in the orifices or openings ( 164 ).

9. The semi-finished product ( 134 ) as claimed in claim 7 , wherein the cable fastening elements ( 138 ) each have a protective element which at least partially prevents penetration of fluid into a respective orifice or opening ( 164 ).

10. The semi-finished product ( 134 ) as claimed in claim 1 , wherein the semi-finished product ( 134 ) is of such flexible construction that the semi-finished product ( 134 ) can be wound onto a reel.

11. The semi-finished product ( 134 ) of claim 1 , further comprising a plurality of cable ties ( 154 ) for fastening the at least one cable to the at least one of the cable fastening elements ( 138 ).

12. A wind turbine component ( 110 ) including a semi-finished product ( 134 ) as claimed in claim 1 .

13. The wind turbine component ( 110 ) as claimed in claim 12 , wherein the cable fastening elements ( 138 ) each have an opening ( 164 ) through which a cable tie ( 154 ) is guided, wherein a slotted empty conduit is further provided which extends along the cable fastening elements ( 138 ) and is fixed in place to the cable fastening elements ( 138 ) by means of the cable ties ( 154 ).

14. A wind turbine rotor blade ( 110 ) including a semi-finished product ( 134 ) as claimed in claim 1 .

15. A method for producing a wind turbine component with a cable guide system, wherein the method comprises the following steps:

introducing a fiber material layer structure for the wind turbine component into a corresponding manufacturing mold, wherein the fiber material layer structure includes the carrier tape ( 136 ), the plurality of cable fastening elements ( 138 ) and the top layer ( 142 ) of a semi-finished product ( 134 ) as claimed in claim 1 ,

laminating the fiber material layer structure in a vacuum infusion method to form the wind turbine component with a cable guide system, and

fastening the at least one cable to at least one of the cable fastening elements ( 138 ).

16. A method for producing a wind turbine component with a cable guide system, wherein the method comprises the following steps:

providing an already completely cured laminate,

arranging the carrier tape ( 136 ), the plurality of cable fastening elements ( 138 ) and the top layer ( 142 ) of a semi-finished product ( 134 ) as claimed in claim 1 on the laminate,

laminating the carrier tape ( 136 ), the plurality of cable fastening elements ( 138 ) and the top layer ( 142 ) of the semi-finished product ( 134 ) onto the laminate to form the wind turbine component with a cable guide system, and

fastening the at least one cable to at least one of the cable fastening elements ( 138 ).