EP3049362A1

EP3049362A1 - Device and method for handling, mounting or demounting components of a wind turbine

Info

Publication number: EP3049362A1
Application number: EP14758578.0A
Authority: EP
Inventors: Stefan BÖGL; Johann Wild
Original assignee: Max Boegl Wind AG
Current assignee: Max Boegl Wind AG
Priority date: 2013-09-23
Filing date: 2014-09-04
Publication date: 2016-08-03
Also published as: US20160237985A1; CA2924791A1; DE102013110464A1; CN105764833A; WO2015039876A1

Abstract

A device (2) for handling, mounting or demounting components (K, 5, 6, 7) of a wind turbine (1), in particular rotor blades (6) and/or a nacelle (7), with the aid of a crane (9) comprises a support (14) which can be connected to the crane (9) while being movable in the direction of a longitudinal axis (15) of said crane, and at least one guying device (16), preferably a guy cable (16a), which is connected at its first end to the movable support (14) and which can be connected by its second end to the component (K, 5, 6, 7) of the wind turbine (1) in order to stabilze the position of the component (K, 5, 6, 7) during handling and mounting. The guying device (16) is connected to the support (14) while being rotatable about the longitudinal axis (15) of the crane (9), preferably being rotatable through at least 90°, more preferably being rotatable through at least 360°, particularly preferably being rotatable through at least 380°. In a method for handling, mounting or demounting components (K, 5, 6, 7) of a wind turbine (1), in particular rotor blades (6) and/or a nacelle (7), with the aid of a crane (9), the position of the component (K, 5, 6, 7) during handling and mounting or demounting is stabilized by means of at least one guying device (16), and the at least one guying device (16) is moved in the direction of a longitudinal axis (15) of the crane (9) during a vertical lifting movement of the component (K, 5, 6, 7). Before and/or during and/or after a vertical lifting movement of the component (K, 5, 6, 7), the at least one guying device (16) is rotated about the longitudinal axis (15) of the crane (9).

Description

Device and method for handling, assembly or disassembly of components of a wind turbine

The present invention relates to a device for handling, assembly or disassembly of components of a wind turbine, in particular of rotor blades and / or a nacelle, by means of a crane. The device comprises a movable carrier which is movable in the direction of a longitudinal axis of the crane connected to this. Furthermore, the device comprises at least one guying device, preferably a deployment rope, which is connected at its first end to the movable carrier and which is connectable with its second end to the component of the wind turbine to the position of the component during handling and assembly stabilize. Furthermore, the invention relates to a corresponding method in which the position of a component to be lifted during handling and assembly or disassembly is stabilized by means of at least one guying device. The at least one guying device is thereby moved during a vertical lifting movement of the component in the direction of a longitudinal axis of the crane.

In the manufacture of wind turbines, it is necessary to take individual components of the wind turbine, such as segments of a tower of the wind turbine or functional components such as rotor blades, nacelle or the hub by means of a crane and mounted on the already built structure. It is often necessary to bring the components to be assembled in a specific position in order to connect them to the existing part of the structure, which is difficult at today's hub heights of over 120 m. In particular, when mounting rotor blades, for example, it is necessary to raise them in a specific position in order to connect them with the rotor hub, which also occupies a certain position. In the state of the art nik are therefore several devices and methods have become known in order to control the position of the component to be mounted can. For example, it has become known to raise a rotor blade of a wind turbine in a horizontal position in order to connect it in this position with the correspondingly rotated hub can. The hub must always be rotated by a certain angle to mount the next rotor blade. Since angular deviations of the rotor blade cause it can no longer be mounted on the hub, on the rotor blade Abspazeseile be arranged, which are held from the ground by hand, to adjust the position of the rotor blade. The adjustment of the rotor blade in the required mounting position is difficult because of the person holding the tension ropes on the ground, the mounting situation can not be seen at the top of the hub.

The EP 1 925 582 B1 therefore provides, not to hold guy ropes for adjusting the horizontal mounting position of a rotor blade by hand, but with the help of a winch, which is arranged in the foot region of the crane to adjust. The guy ropes are guided over a deflection arranged on the crane.

On the other hand, WO 201 1/048220 A1 proposes that cable winches for controlling guy ropes be arranged on a carriage, which can be moved on guide rails which are arranged on the crane tower in the vertical direction.

Object of the present invention is to provide a device for handling and assembly or disassembly of components of a wind turbine, which allows a more flexible handling and a variety of mounting positions.

The object is solved with the features of the independent claims. A device for handling, assembly or disassembly of components of a wind turbine, in particular of rotor blades and / or a nacelle, by means of a crane, comprises a movable carrier. The carrier is movable in the direction of a longitudinal axis of the crane connected to this. Under the longitudinal axis of the crane while the largely oriented in the vertical direction center axis of a crane tower or a main boom of the crane is understood. Preferably, the carrier is movably connected to a crane mast of the crane, the crane mast depending on the design of the crane can be a boom or a crane tower of a tower crane. The carrier has for the process along the longitudinal axis of the crane guide means, such as rollers or carriages or the like., Which define a direction of travel on the carrier. The carrier can be connected to the crane in such a way that the direction of travel of the carrier corresponds to the longitudinal axis of the crane, in particular of a crane tower. Furthermore, the device comprises a guying device, preferably a guying cable, which is connected at its first end to the movable carrier and which is connectable at its second end to the component of the wind turbine in order to stabilize the position of the component during handling and assembly , In a method of handling, assembling or disassembling components of a wind turbine by means of a crane, the position of the component during handling and / or disassembly is stabilized by means of at least one guying device. The at least one guying device is thereby moved during a vertical lifting movement of the component in the direction of a longitudinal axis of the crane. It is now provided that before and / or during and / or after a vertical lifting movement of the component, the at least one guying device is rotated about the longitudinal axis of the crane. In the corresponding device for this purpose, the guying device is rotatable about the longitudinal axis, preferably rotatable by at least 90 °, connected to the carrier. In this case, the guying device is preferably rotatable about at least 360 °, particularly preferably rotatable about at least 380 °, or completely freely rotatably connected to the carrier. Because now not only the height of the component is controllable, but also different angular positions of the component, such as a rotor blade both with respect to the vertical, as well as with respect to the horizontal and thus with respect to the vertical axis of the wind turbine can be realized due to the rotating guying, now versatile Mounting positions of components to be lifted are realized. For example, in rotor blades, the mounting position is no longer limited to a horizontal position. It is furthermore advantageous that any changes in direction from picking up the component on the ground to raising to mounting height are possible in order to avoid further components or construction site equipment located in the stroke path. It is also particularly advantageous in the case of a guying device rotatable about the longitudinal axis of the crane tower that even when the building to be erected exceeds the height of the mounting crane, any pivoting movements about the longitudinal axis of the crane or of the building are possible. So it comes, for example, in the assembly of rotor blades to wind turbines, that at least after installation of the first rotor blade or, in cases where the entire rotor is already mounted mounted on the spire after installation of the rotor star, the erected structure, the height of the crane surmounted. Due to the collision risk of the crane with the building, the possibilities of movement of the crane boom are very limited. By means of the around the longitudinal axis of the crane or the direction of travel of the carrier rotatable guying device, it is now possible to perform pivotal movements in the handling of components.

According to an advantageous embodiment of the invention, a guide rail is arranged on the carrier, wherein the guide rail extends at an angle of preferably 90 ° to the longitudinal axis of the crane or the direction of travel of the carrier. However, it is also conceivable to arrange the guide rail slightly inclined to the support, for example to a certain to achieve upward or downward pivotal movement. The guide rail is preferably formed annular-segment-shaped or circular in order to realize the rotational movement of the guying device about the longitudinal axis. Likewise, it is also conceivable to perform the guide rail elliptical or irregular arcuate. In any case, it is again advantageous if the guide rail allows at least a rotational movement of about 90 °.

In a method for handling components of a wind power plant, it is again advantageous if the at least one guying device is guided in a circular path about the longitudinal axis of the crane tower. It is advantageous in the case of a circular path that the distance of the component from the carrier remains substantially constant, so that in principle also non-adjustable guying devices, for example fixed guying rods, can be used. By means of such fixed guy rods, a particularly good stabilization of the components is possible in a simple manner, since these have a high rigidity and thus unwanted tilting movements or fluctuations of the components from the desired position can be avoided.

According to an advantageous embodiment of the invention, the guide rail is fixedly arranged on the carrier and on the guide rail at least one guide carriage is movably mounted. The at least one guying device is in this case not directly connected to the carrier, but by means of the guide carriage. By the movement of the guide carriage on the guide rail, the rotation of the guying device is then realized. Alternatively, however, it is also conceivable to guide the guide rail rotatably on fixedly arranged on the crane tower brackets. The guying device can in this case be firmly connected to the guide rail. According to another embodiment of the invention, the guide rail is fixedly arranged on the carrier and on the guide rail, an at least one guide carriage-mounted attachment is movably mounted. The at least one guying device is then in turn connected to the carrier by means of the attachment. By means of such an attachment, it is for example possible to arrange two or more guying devices spaced from each other on the guide rail, wherein with a corresponding design of the attachment and large distances, which exceed the dimensions of the guide rail itself, are possible. It can thereby be achieved a particularly stable and stiff bracing of the component to be handled, while still guy ropes can be used.

It is also advantageous if the attachment and / or at least one guide carriage is lockable on the guide rail / are. It is thereby possible to exactly maintain the once set position of the component with respect to its angle to the longitudinal axis of the crane during a lifting movement. In particular, in confined spaces or very large components such as rotor blades, this is advantageous because this collisions and subsequent damage can be avoided.

According to an advantageous embodiment of the invention, the device further comprises a receptacle for the component of the wind turbine. The at least one guying device is then connected by means of the recording with the component of the wind power tan läge. It is possible by means of such a recording, even sensitive components of wind turbines, such as rotor blades to transport safely. Furthermore, this makes it possible in a particularly simple manner to connect the guying device on the recording with the component. Accordingly, the component does not need to have fixtures for attaching the guying device which could weaken the component. It is furthermore particularly advantageous if the guying device is a safety rope and on which at least one guide carriage and / or on the attachment and / or on the receiver at least one winch is arranged, by means of which the length of the at least one guy rope is variable. It can thus be achieved by extending or shortening the distance of the component to the longitudinal axis of the crane or by changing the length of the guying other position changes of the component. In particular, if at least two guying devices are provided, this makes it possible to realize a wide variety of positions of the component with respect to the wind power tower.

It is furthermore particularly advantageous if the at least one cable winch is radio-operated and as a result can be controlled remotely from the floor or a driver's cab of the crane. The position of the component can then be controlled and adjusted at any time by operating the winches or changed if certain pivoting movements are required. It is particularly advantageous if the at least one winch is battery operated, as this can then be set in a particularly simple manner with the carrier on the crane tower, without supply lines would have to be carried.

A particularly advantageous embodiment of the invention provides that the attachment has at least two guide carriages and at least two cable winches. In this case, both the guide carriages and the cable winches are particularly preferably arranged at a distance from one another in order to enable a tilt-stable positioning of the component in the region of its center of gravity.

In addition, it is advantageous if the at least one guying device is guided in a controlled movement on the circular path. The at least one guying device and / or the attachment includes for this purpose at least one guide carriage, which has a traction drive. It can This also controls the rotational movement of the guying device completely independently of the lifting movement of the component and completely independent of the driving movement of the carrier in order to set the desired position of the component. However, it is also possible to achieve a greatly improved flexibility of the device even by means of carriages which can be moved freely on the rail or a guying device which can be moved freely on the rail. Thus, despite the bracing on the crane, in particular on the crane tower of a tower crane, a pivoting of the boom with the component is possible even with an already recorded component.

In a method for handling components of a wind turbine, the component is lifted by means of a receptacle and the at least one guying device is thereby fixed to the receptacle.

To guide the carrier on the crane, it is particularly advantageous if the carrier is provided with rollers and the rollers directly on the crane, preferably directly on the corner posts of a crane tower, are feasible. The structural design of the device can thereby be kept particularly simple. There are no additional guide means such as guide rails for guiding the wearer required.

It is also advantageous if the carrier completely surrounds the crane. Thus, in particular in a crane tower completely surrounding the crane tower, a guide directly to the corner posts of the crane tower in a particularly simple manner and at the same time thereby the arrangement of a circumferential guide easily possible.

In the method for handling a component of a wind turbine, it is also advantageous if the carrier is guided substantially synchronously with the lifting movement of the component in the direction of the longitudinal axis of the crane. It is thereby possible to always maintain a favorable short distance between the component and the carrier, so that the Control the position of the component is particularly simple and the position of the component can always be kept stable. Also, the method of the carrier in synchronism with the lifting movement allows the use of rigid bracing rods, which also provides great stability in handling the component.

Further advantages of the invention will be described with reference to the embodiments illustrated below. Show it:

1 shows the assembly of a wind turbine with a device according to the invention or a method according to the invention for mounting a wind turbine in an overview,

Figure 2 shows a first embodiment of a device for handling

Components of a wind turbine in a schematic plan view,

3 shows an alternative embodiment of a device in a schematic plan view,

FIG. 4 shows a detailed view of a crane tower mounted carrier of a device,

FIG. 5 shows a further detailed representation of a carrier mounted on a crane tower with a guide rail and a guide carriage,

Figure 6 shows a device with an attachment and a receptacle in a schematic plan view, and Figure 7 is another overview of a device and a method for handling components of a wind turbine.

FIG. 1 shows a device and a method for handling, assembling or disassembling components of a wind power plant and a wind power plant 1 under construction in a schematic overview. The wind turbine 1 consists in a conventional manner of a foundation 3, a tower 4 and various functional units, of which in this case the hub 5 with the rotor blades 6 and the nacelle 7 can be seen. According to the present illustration, the tower 4 is subdivided into two sections 4a, 4b, which are interconnected by an intermediate piece 8. The tower 4 can basically consist of cast-in-situ concrete, precast concrete elements or even of steel or be created in hybrid construction of different materials. Preferably, the lower portion 4a of the tower consists of precast concrete elements, which are braced together between the intermediate piece 8 and the foundation 3, and an attached steel mast as a second section 4b, which may be in one piece or may also consist of several segments.

For mounting the functional units 5, 6, 7 on the already erected tower 4, a crane 9, according to the present illustration, a tower crane 9, is provided. It is of course also possible to build already parts of the tower 4 or the entire tower 4 using the tower crane 9. The tower crane 9 is presently placed on the foundation 3 of the wind turbine 1 and anchored in the region of the intermediate piece 8 by means of anchoring 32 on the tower 4, so that it has a high stability even at high altitudes. However, the invention can also be used with other types of cranes, the cranes need not necessarily be anchored to the tower 4 of the wind turbine 1. Likewise, a crane can of course also be installed separately in the area of the wind turbine 1 and does not necessarily have to stand on the foundation 3. In the present case, the Crane 9 a crane tower 10, which includes four corner handles 1 1 (Figures 2 and 3). In the present case, the crane 9 has a boom 12 with a movable hook 30 on it, by means of which in a conventional manner with load cables 13 components K as the hub 5, rotor blades 6, nacelle 7, spacer 8 or precast concrete parts of the tower 4 (not shown) raised can be.

As can now be seen near the hub 5 in the upper area of FIG. 1, a device 2 for handling, assembling or disassembling components K of the wind power plant 1 is furthermore provided. The device 2 comprises a support 14, which is connected to a crane mast of the crane 9, in this case the crane tower 10, and is movable in the direction of a longitudinal axis 15 of the crane 9, here the crane tower 10. If the device 2 is not used on a tower crane 9, but on another type of crane, the carrier 14 is correspondingly with a boom or

Crane mast connected and is movable on this. Between the carrier 14 and the component K to be handled, in the present case a rotor blade 6, according to the present illustration, two guying devices 16, which may be designed as guy ropes 16a or guy rods 16b, are arranged. The guying devices 16 are connected at their first end to the carrier 14 and at the other end to the component K, in this case the rotor blade 6. The component K is thereby braced against the crane tower 10 that their position can always be kept stable with respect to the crane tower 10 or, in the case of an adjustable guying device 16, also selectively changed, for example, to achieve a specific mounting position.

As shown by the dashed line in the lower part of Figure 1, the carrier 14 along the longitudinal axis 15 is movable and further, the guying device 16 about the longitudinal axis 15 of the crane 9, here the crane tower 10, rotatable, as symbolized by the arrows. Recognizable are ne- ben the guying 16 a rotor blade 6 in a relation to the upper region rotated position and the load cables 13th

As can now be seen from FIG. 1, it is possible, for example, to receive a component K in one position, to turn it upwards during the lifting movement and finally to bring it into the assembly position. The construction site facility is thereby simplified, since components K no longer have to be provided in a certain position on the ground, for example. It is also possible, as shown in dashed lines in the central region of Figure 1, also possible to adjust different angular positions of components K, so that, for example, during assembly of rotor blades 6, these can not be mounted only in a horizontal or strictly vertical position. It is therefore no longer absolutely necessary to rotate the rotor for mounting the individual rotor blades 6 by 120 °, as was handled in the prior art.

FIG. 2 now shows a first embodiment of a device 2. The device 2 includes the carrier 14, which in the present case completely surrounds the crane tower 10 with its corner handles 11. For mounting the carrier 14 on the crane tower 10, the carrier 14 is designed to be divisible. The carrier 14 may in principle be composed of two or also of a plurality of carrier parts 14a, 14b (see FIG. 6) in order to facilitate assembly to the crane tower 10. The carrier 14 has for guiding along the longitudinal axis of the crane guide means, such as rollers 22 or carriages or the like. On (S.Fig. 4 and 5), which define a direction of travel on the carrier 14. In the assembled state of the carrier 14 on the crane 9, the direction of travel corresponds to a longitudinal axis 15 of the crane 9.

On the carrier 14, a guide rail 17 is fixed, in the present case connected by means of a plurality of struts 18 with the carrier 14. The guide rail 17 is also divided, in this case in two parts, to facilitate assembly and manufacture. The guide rail 17 is presently circular. In this case, it is also possible for the guide rail 17 to be inclined at an angle of 90 ° to the longitudinal axis 15 of the carrier 14 or the crane 9 to arrange the longitudinal axis 15 and the direction of travel of the carrier 14. In the present case, two guide carriages 19 are movably arranged on the guide rail 17, to each of which a guying device 16 is fixed. The other end of the guy device 16 is connected in a manner not described in more detail with the component K of the wind turbine 1, which is not specified here.

FIG. 3 shows an alternative embodiment of a device 2 in which the guide rail 17 is designed in the shape of a circular ring segment. A circular-segment-shaped guide rail 17 may in turn be arranged both in its 90 ° angle and with an inclination angle relative to the longitudinal axis 15. On the guide rail 17, in the present case, in turn, two guide carriages 19 are movably mounted. The connection to the component to be handled is not shown here, but this can be done by the guying devices 16 are arranged directly on the component, or by the guying devices 16 via a receptacle 20 (see Figure 6) are arranged. Likewise, this is of course also possible with the device 2 shown in FIG.

As can be seen from FIG. 3, a guide 21 is arranged on the crane tower 10 for the stable guidance of the carrier 14. By means of the device 2 shown in FIG. 3, a rotational movement about the longitudinal axis 15 can be achieved by approximately 90 °, while in the illustration shown in FIG. 2 a free rotation about the longitudinal axis 15 is advantageously provided.

Figure 4 shows a detailed view of the carrier 14, which is movable according to Figure 4 by means of rollers 22 on the crane tower 10. For this purpose, the carrier 14 is, for example, in its corner region with at least one roller block 23 provided in which a roller 22 is rotatably mounted. It is advantageous if, as shown here, the rollers 22 are guided directly on the corner stalks of the crane tower, since the device can be structurally simple and thus the device 2 no separate guides 21 (see FIG. To guide directly on the corner stems 1 1 of the crane tower 10, the carrier 14 for this purpose at each of its 4 corners at least two mutually perpendicular roller blocks 23, each with at least one roller 22. As a result, a stable guidance can be achieved, in which tilting of the carrier 14 on the crane 9 is avoided.

A particularly good guidance can be achieved if, as shown in Figure 5, an additional support and guidance by a third, obliquely arranged roller 22 is made. According to the present illustration, a set of rollers 22 is provided in each corner of the carrier 14 both above the carrier 14 and below it, whereby a particularly good guidance is achieved.

A guide with rollers 22 may also be advantageous in the carrier 14 of Figure 3. The rollers 22 are arranged there, for example, opposite one another and run on the guide 21st

To drive the carrier 14 two drives 24 are provided according to the representation of Figure 4 present, which are arranged vauf two opposite sides of the carrier 14 and are formed as a rope winch. Deviating from the illustration shown, however, it is also possible to leave the carrier 14 without drive and to move only by the lifting movement of the load up and down. By means of its own drive 24, however, a variety of controlled movements is possible. It is also advantageous that the movement of the carrier 14 can be carried out both synchronously with the lifting movement of the component K as well as independently of the wishes and requirements. FIG. 5 shows a detailed view of a carrier 14 mounted on a crane 9, in this case a crane tower 10 of a tower crane, with a part of a guide rail 17. A guide carriage 19 is mounted on the guide rail 17 and is provided with a cable winch 25 in order to control the tension and length of the guying device 16 to be adjusted exactly according to the requirements. The winch can be operated by radio remote control. Such guide carriages 19 with a winch 25 can advantageously also be used in the devices 2 shown in FIGS. 2 and 3.

Figure 6 shows an alternative embodiment of a device 2, in which on the guide rail 17 an attachment 26 with four guide carriage 19 is mounted movably. The carrier 14 essentially corresponds to that shown in FIG. 2, but in the present case is composed of four carrier parts 14a, 14b. As can be seen from the illustration, at least one support part 14b is made removable in order to allow mounting above the anchoring 32. Further recognizable are in turn the drives 24 for moving the carrier 14 and the rollers 22, which are guided on the corner stems 1 1.

Accordingly, the guide rail 17 is composed of four parts, each of which in turn is connected to a support member 14a, 14b. The attachment 26 makes it possible to arrange the guying devices 16 at a wide distance A from each other and thereby achieve a high stability in the handling of the component K. For this purpose, the attachment 26 comprises two spacing struts 27, which are each mounted on the guide rail 17 by means of a guide carriage 19 and a connecting strut 28 connecting them. For connection to the guy devices 16, the attachment 26 in the present case has two cable winches 25 which are present on the connecting strut 28 are attached. Of course, other embodiments of such an attachment 26 are conceivable in Wel- Chem several struts form a frame or multiple connecting struts 28 may be provided. Likewise, even more spacer struts 27 may be provided. Finally, the winches can

25 may also be attached to the spacer struts 27 instead of the connecting struts 28. Furthermore, deviating from the illustration shown here, cable winches 25 may also be arranged on a receptacle 20, so that the guy devices 16 are fixed in this case, ie. H. not adjustable, are connected to the connecting strut 28.

As can also be seen from FIG. 6, the device 2 according to the present example further comprises a receptacle 20 for handling the component K, for example a rotor blade 6. This may, for example, comprise a frame surrounding the component K, in which the component k can be received particularly securely. In the present case, the receptacle 20 further includes a connecting arm 29 projecting on both sides, which also makes it possible in a particularly advantageous manner to abut the guying devices 16 at a wide distance A 'from each other and thereby significantly contributes to the stability of the handling process. Notwithstanding the illustration shown, it is of course also possible to carry out the connecting arm 29 projecting only on one side. By means of such a projecting connecting arm 29, in particular, long components, such as rotor blades 6, which tend to tilt about their center of gravity S, can be well stabilized. Of course, depending on the nature of the component K to be accommodated, the device 2 can also be designed without such a receptacle 20, as shown for example in FIG.

Figure 7 shows a further embodiment of a device 2 and a method for handling a component K, wherein also an attachment

26 is provided, the component K, in this case the nacelle 7 of the wind turbine 1, but without a special receptacle 20 is added. Incidentally, the structure of the device 2 with the carrier 14, the guide rail 17 and the attachment 26 corresponds to that shown in FIG. In Still visible in FIG. 7 is a travel drive 31, by means of which the attachment can be moved in a controlled or controllable movement on the guide rail 17. Preferably, the travel drive 31 via a radio remote control can be operated remotely. An advantage of such a drive 31 is that this can serve as a locking device for the attachment 26 on the guide rail 17 at the same time.

Such a travel drive 31 can be used advantageously in the guide carriage 19 shown in Figures 2, 3 and 5 or the attachment 26 of Figure 6 to move them in a controlled movement on the circular path 17 and thereby the position of exactly to handle the handling component K.

The invention is not limited to the illustrated embodiments. Thus, even if only rotor blades 6 or a nacelle 7 have been shown, other components of the wind turbine 1, such as annular or ring segment prefabricated parts of the tower 4 o- steel segments of the tower 4 selbiger manner are mounted by means of the device according to the invention. Furthermore, it is also possible to handle components K of the system technology in this way. The crane 9 does not necessarily have to be designed as a tower crane, the device 2 according to the invention can advantageously also be used with other types of cranes 9. Other combinations within the scope of the claims also fall under the invention.

LIST OF REFERENCES

Wind turbine

contraption

foundation

tower

a first section

b second section

hub

rotor blade

gondola

connecting piece

crane

0 crane tower

1 corner handles

2 outriggers

3 load rope

4 carriers

4a carrier part

4b carrier part

5 longitudinal axis

6 guying device

6a guy rope

6b guy rod

7 guide rail

8 strut

9 guide carriages

0 recording

1 guide

2 roller

3 roller block 24 drive

25 winch

26 attachment

27 spacer strut

28 connecting strut

29 connecting arm

30 load hooks

31 Travel drive

32 anchoring

A Distance to the attachment

A 'distance to the recording

S focus

K component

Claims

Patent claims

1 . Device (2) for handling, assembly or disassembly of components (K, 5, 6, 7) of a wind power plant (1), in particular of rotor blades (6) and / or a nacelle (7), by means of a crane (9), wherein the device (2) comprises a support (14) which is movably connectable to it in the direction of a longitudinal axis (15) of the crane (9), as well as at least one guying device (16), preferably a guy rope (16a) attached to it first end is connected to the movable carrier (14) and which is connectable with its second end to the component (K, 5, 6, 7) of the wind turbine (1) to the position of the component (K, 5, 6, 7 ) to stabilize during handling and assembly,

characterized in that the guying device (16) is rotatable about the longitudinal axis (15) of the crane (9), preferably rotatable at least 90 °, preferably rotatable at least 360 °, particularly preferably rotatable at least 380 °, with the carrier (14). connected is.

2. Device according to the preceding claim, characterized in that on the carrier (14) a guide rail (17), preferably a circular ring segment-shaped or circular guide rail (17) is arranged, wherein the guide rail (17) at an angle, preferably in an angle of 90 °, to the longitudinal axis (15).

3. Device according to one of the preceding claims, characterized in that the guide rail (17) is fixedly arranged on the carrier (14) and that on the guide rail (17) at least one guide carriage (19) is movably mounted, and that the wenigs- least one guying device (16) by means of the guide carriage (19) is connected to the carrier (14).

4. Device according to one of the preceding claims, characterized in that the guide rail (17) is fixedly arranged on the carrier (14) and that on the guide rail (17) at least one guide carriage (19) exhibiting attachment (26) is movably mounted and that the at least one guying device (16) is connected to the carrier (14) by means of the attachment (26).

5. Device according to one of the preceding claims, characterized in that the attachment (26) and / or at least one guide carriage (19) on the guide rail (17) is lockable.

6. Device according to one of the preceding claims, characterized in that the device (2) comprises a receptacle (20) for the component (K, 5, 6, 7) of the wind turbine (1) and that the at least one guying device (16) by means of the receptacle (20) with the component (K, 5, 6, 7) of the wind turbine (1) is connectable.

7. Device according to one of the preceding claims, characterized in that the at least one guying device (16) is a safety rope (16a) and that on the at least one guide carriage (19) and / or on the attachment (26) and / or at least one winch (25) is arranged on the receptacle (20), by means of which the length of the at least one guy rope (16a) is variable.

8. Device (2) according to one of the preceding claims, characterized in that the attachment (26) has at least two guide carriages (19) and at least two winches (25).

9. Device (2) according to one of the preceding claims, characterized in that for the rotation of the at least one guying device (16) and / or the attachment (26) at least one guide carriage (19) has a traction drive (31).

10. Device according to one of the preceding claims, characterized in that the carrier (14) with rollers (22) is provided and that the rollers (22) preferably directly on corner posts (1 1) of a crane tower 10) of the crane (9) feasible are.

1 1. Device according to one of the preceding claims, characterized in that the carrier (14) completely surrounds the crane (9), in particular the crane tower (10) of a tower crane.

12. Device according to one of the preceding claims, characterized in that the carrier (14) has at least one own drive (24), in particular a drive provided with a rope pulley drive (24).

13. A method for handling, assembly or disassembly of components (K, 5, 6, 7) of a wind turbine (1), in particular of rotor blades (6) and / or a nacelle (7) by means of a crane (9), at in which the position of the component (K, 5, 6, 7) is stabilized during handling and assembly or disassembly by means of at least one guying device (16), and wherein the at least one guying device (16) during a vertical lifting movement of the component (K, 5, 6, 7) in the direction of a longitudinal axis (15) of the crane (9) is moved, characterized in that before and / or during and / or after a vertical lifting movement of the component (K, 5, 6, 7), the at least one guying device (16) about the longitudinal axis (15) of the crane (9) is rotated.

14. The method according to the preceding claim, characterized in that the at least one guying device (16) is guided on a circular path about the longitudinal axis (15) of the crane (9), in particular by means of an attachment (26) and / or a guide carriage (19 ), is guided on the circular path.

15. The method according to the preceding claim, characterized in that the at least one guying device (16) is guided in a controlled movement on the circular path.

16. The method according to any one of claims 13-15, characterized in that the component (K, 5, 6, 7) by means of a receptacle (20) is lifted and that the at least one guying device (16) fixed to the receptacle (20) becomes.

17. The method according to any one of claims 13-16, characterized in that the carrier (14) is guided substantially synchronously with the lifting movement of the component (K, 5, 6, 7).