Abstract:
Procedimiento específico para la limpieza y restauración integral de palas de aerogeneradores impregnadas de fluido hidráulico procedente de la maquinaria del aerogenerador. A través de las distintas etapas del procedimiento se elimina el fluido hidráulico presente tanto en las partes accesibles de la pala, como en las zonas internas de la misma, es decir, en el interior de las conchas (4), espacios entre los bordes de ataque (6) y de salida (5) y la viga (3), y zona de (a unión viga (3)/concha (4). Para ello, se realizan diversos taladros (7) de acuerdo con un orden concreto y en unos puntos definidos de la pala en los cuales posteriormente se inyectara un fluido de limpieza, a alta presión en las zonas accesible, y pulverizado en el caso de las zonas internas de la pala, que permitirá eliminar el fluido hidráulico presente y así proceder a la restauración de la pala tras eliminar toda traza de fluido hidráulico.
Abstract:
In an embodiment of the present disclosure, a wind turbine blade treatment apparatus comprises a support having a frame with an edge follower configured to be positioned near an edge of a wind turbine blade. The support also includes a side member connected to the frame, configured to extend at least partially along a width of the wind turbine blade and to be positionable near the wind turbine blade. The wind turbine blade treatment apparatus further comprises a sprayer connected to the support, configured to spray fluid onto the wind turbine blade.
Abstract:
The invention relates to a device for inspection and maintenance work on rotor blades and/or the tower surface of large wind power plants, particularly off-shore plants. The device comprises a guide and lift unit having at least two rings for the fixation to and for the vertical movement along the tower. Distributed over the circumference of the rings, said rings comprise at least four, or more, telescoping cross members having active units. The cross members can be telescoped in the direction of the axis of the wind power plant tower, wherein the drive units move the cross members and press them against the surface of the tower for fixation. The device further comprises a freely projecting multi-member articulated arm, which is fastened to the guide and lift unit by way of a joint. The members of the articulated arm are moved relative to each and stabilized by drive elements. At the outer end, the multi-member articulated arm preferably comprises a workman's basket and/or a connecting unit for technical equipment for inspection or cleaning.
Abstract:
A device for enabling access to a structure above ground or sea level, in particular a rotor blade of a wind turbine, by lowering and/or lifting the device in relation to the structure. The device comprises - a frame structure, - means for supporting the device in relation to said structure, and - means for lowering and/or lifting the device in relation to the structure. At least part of the frame structure comprises a track portion, the track portion being adapted to guide an, in relation to the track portion, movable object along the track portion. The means for supporting the device in relation to the structure are configured for positioning said device in relation to the structure, and the means for supporting the device in relation to said structure are configured for facilitating a movement of said device essentially in the longitudinal direction of said structure.
Abstract:
There is disclosed a clamp, a self-advancing climbing device including two such clamps, and a method of coupling such a clamp to a tubular. In one embodiment of the invention, there is disclosed a clamp (1) for a tubular, in particular a thin-walled tubular such as the tower (3) of a wind-turbine. The clamp (1) comprises at least one clamp member in the form of a friction pad (9) adapted to grip the tower (3), and at least one flexible elongate energising element in the form of a tendon (16) adapted to exert a force on the friction pad (9) to urge the pad (9) to grip the tower (3), whereby the pad (9) and the tendon (16) are adapted to exert a substantially uniform radial clamp load on the tower (3).
Abstract:
Apparatus for treating a surface of a wind turbine blade (14), comprising an expandable structure (22) that is deployable from a collapsed state into an expanded state in which the structure defines an elongated treatment zone (32) into which a blade (14) is receivable in use. The apparatus includes treating means (52) arranged to apply a treatment in the treatment zone. Also provided is a method for treating a wind turbine blade (14) including: positioning a wind turbine blade in a substantially vertical orientation; locating an expandable structure (22) adjacent the wind turbine blade; deploying the expandable structure (22) about the blade (14) such that the expandable structure (22) defines an elongated treatment zone (32) which receives at least part of the blade (14); and applying surface treatment to the surface of the blade (14) using the expandable structure (22)
Abstract:
A repair solution for a wind turbine blade is described. The repair solution includes the application of a layer of viscous coating material to the section of the blade to be repaired, which is cured to form a repaired surface. The layer of viscous coating material may be temporarily covered during the curing process using a film of Low Surface Energy material, to prevent defects in the repaired surface from dust, insects, etc. Additionally or alternatively, a temporary shield may be erected adjacent the curing layer of coating material, to allow for the control of the temperature and/or humidity levels of the region adjacent the curing material, to provide for more effective control of the curing process and to allow for repairs to be carried out for a wider process window.
Abstract:
A blade for a wind turbine comprises a substantially hollow shell which comprises an opening which extends along at least part of the length of the blade, and a servicing unit displaceable along the blade shell, at least partly arranged inside the shell and comprising an arm adapted to project out of the shell through the opening.
Abstract:
Disclosed is an apparatus for maintaining wind turbine blades. The apparatus for maintaining wind turbine blades according to one embodiment of the present invention comprises: a main body travelling along the leading edge of a blade; supporting devices each extending from the main body toward both sides of the blade to support the sides of the blade; and a maintenance unit installed on either the main body or the supporting device to maintain the outer surface of the blade.