EP2866994A1

EP2866994A1 - Handling device for handling a rotor blade mold for producing a rotor blade of a wind turbine

Info

Publication number: EP2866994A1
Application number: EP13732561.9A
Authority: EP
Inventors: Arno Georgs; Herbert Biebl; Rainer SCHLÜTER
Original assignee: Wobben Properties GmbH
Current assignee: Wobben Properties GmbH
Priority date: 2012-07-02
Filing date: 2013-07-01
Publication date: 2015-05-06
Also published as: AU2013285984B2; DE102012211455A1; RU2015102966A; JP2015528870A; TWI567015B; JP6068632B2; WO2014006000A1; CN104470695A; IN2015DN00558A; CA2875917C; RU2611514C2; CA2875917A1; US9796116B2; AU2013285984A1; US20150147142A1; BR112014033027A2; AR091638A1; CN104470695B; KR20150034228A; KR101737710B1

Abstract

The invention relates to a transport vehicle (1) for handling a rotor blade mold for producing a rotor blade of a wind turbine or a partial shell of a rotor blade of a wind turbine, prepared for use in a handling device (60). The handling device (60) comprises a first rail set for moving the transport vehicle in a first direction and a second rail set for moving the transport vehicle in a second direction. Furthermore, the transport vehicle has a first wheelset (10) comprising a plurality of wheels (13), for travelling on the first rail set, and a second wheelset (20) comprising a plurality of wheels (23), for travelling on the second rail set.

Description

Handling device for handling a rotor blade for making a rotor blade of a wind turbine

The present invention relates to a transport vehicle for handling a rotor blade for manufacturing a rotor blade of a wind turbine. Furthermore, the present invention relates to a handling device comprising such a transport vehicle. Furthermore, the present invention relates to a method for manufacturing a rotor blade of a wind turbine.

Wind turbines are well known and usually require at least one, usually three rotor blades to be driven by the wind. Modern wind turbines, such as one shown in Fig. 1, may have several megawatts of rated power and therefore require correspondingly large rotor blades. Such rotor blades can already have lengths of about 50 m and more today. Such a rotor blade is often made, at least in a large section, of glass fiber reinforced plastic or similar material. A common way of manufacturing here is to make the rotor blade or the rotor blade section of two partial shells. Both partial shells are initially manufactured separately and then placed on top of each other. For the manufacture of such a sub-shell, a rotor blade shape is used which predetermines in particular the shape of the rotor blade or the corresponding part thereof to be manufactured. Here, for example, fiber fabric can be inserted, which are then impregnated with a corresponding resin. The impregnation of the resin can, for example, be carried out in such a way that the fiber layer is tightly enclosed in an airtight space and then supplied to this airtight space by means of negative pressure, usually similar to a vacuum, the corresponding resin is sucked.

Such rotor blade shapes have corresponding sizes in the order of the rotor blade to be manufactured or the rotor section to be manufactured and may accordingly have, for example, about 50 m in length and about 5 m in width. At the latest when two separately manufactured partial shells have to be joined together, at least one of the rotor blade forms in the production hall in which the rotor blade production takes place must be moved. For an optimization of work processes in such a production hall, it may be advantageous to use different work steps different stations are performed. This requires further movements of the rotor blade shapes in the production hall.

Moving large and also unwieldy loads in industrial manufacturing plants is basically known. For example. For this purpose, correspondingly large and powerful, mostly for the specific application adapted pallet truck, used, which can drive on a flat smooth surface of the floor of the production hall. By a very flat and horizontal design of such hall floor with high precision then such trucks can be moved with relatively little energy.

However, especially with bulky objects such as such a long rotor blade, a process is difficult and it is necessary to be careful that the rotor blade does not accidentally hit an object in the production hall during the procedure. In addition, the connection of such a lift truck also requires a corresponding quality of the hall floor and a meticulous cleaning of the hall floor to ensure the driving operation of the lift truck.

Such previously known solutions are thus complex and require the operation staff with a lot of experience and a high alertness.

The present invention is therefore based on the object, at least one of the o.g. To address problems. In particular, handling of rotor blade shapes is to be improved. At least an alternative solution should be proposed.

According to the invention, a transport vehicle according to claim 1 is proposed. This is prepared for handling a rotor blade for making a rotor blade of a wind turbine or for manufacturing a partial shell of a rotor blade of a wind turbine. In particular, the transport vehicle carries such a rotor blade form which, for example, can measure 48 m in length and / or wherein the transport vehicle can measure 48 m in length. The transport vehicle is prepared for use in a handling device, which in particular can be part of a production hall.

Such a handling device comprises a first rail set for moving the transport vehicle in a first direction and a second rail set for moving the transport vehicle in a second direction. In two directions, here are two directions arranged at an angle to one another, that is, not just a forward direction. and reverse direction. A rail set comprises at least two parallel rail tracks. But it can also be provided for each rail set three or more parallel rail tracks. Also, the first and second rail set each have different numbers of parallel rail tracks. Preferably, the first or second direction is a longitudinal direction of the transport vehicle and, accordingly, the second or first direction is a transverse direction of the transport vehicle. Here, a rail set with fewer rail tracks is preferably used in the longitudinal direction, as in the transverse direction. In the transverse direction, for example, four rail tracks can be provided side by side in order to better distribute the weight of the transport vehicle over the width of the vehicle on the rails can.

The transport vehicle comprises a first wheel set comprising several wheels for driving on the first rail set and a second wheel set comprising several wheels for driving on the second rail set. In this way, it is thus possible to move the transport vehicle and thus a rotor blade form arranged thereon in two different directions, wherein the use of the rails allows guided transport which avoids possible collisions with other solid objects in the vicinity of the transport vehicle. By using one set of wheels for the corresponding rail set, the use of one wheel set per direction is proposed. A change of directions can thus take place by changing the wheelset. Accordingly, switches are avoided for changing from one to another rail set.

Preferably, the transport vehicle has a changing device for changing from the first set of wheels for driving on the first rail set to the second set of wheels for traveling on the second rail set. Thus, the transport vehicle can, for example, be moved in the first direction to a crossing point of the first rail set with the second rail set. There, the changing device is then used to change from the first set of wheels to the second set of wheels. Of course, conversely, a change from the second set of wheels to the first set of wheels is possible.

Such a change from the first to the second set of wheels is carried out in such a way that the first set of wheels thus previously drove on the first rail set and now after switching to the second set this rests on the second rail set and drive the vehicle now on the second rail set can. It is advantageous to design the transport vehicle in such a way that the direction of change for raising and lowering the wheels of the first wheel set is prepared, wherein the wheels of the first wheel set can be moved from a lowered state into a raised state, and vice versa. The transport vehicle is raised by lowering the wheels of the first wheel. There are thus basically two states, namely a lowered state in which the first wheel set is fully lowered as intended, and a raised state in which the intended destination, the first wheel is completely raised. In the lowered state, the transport vehicle rests with the wheels of the first set of wheels on the first rail set and the wheels of the second set of wheels are higher than those of the first set of wheels, in any case no longer load on the second rail set. In the raised state, it is exactly the other way round and the transport vehicle rests with the wheels of the second set of wheels on the second rail set and the wheels of the first set of wheels no longer load on the first rail set. That is, when the wheels of the first gear set are lowered, the changer moves them down onto the rails of the first rail set, thereby lifting the entire transport vehicle except for the wheels of the first gear set and a part of the changer, including seats received thereon Objects such as the rotor blade and possibly also inserted elements of the rotor blade to be manufactured. In this case, considerable forces must be expended, in particular depending on the weight of the assembled transport vehicle and depending on the number of wheels of the first wheel, to which the changing device acts.

Through the use of the rail system, ie the use of the first rail set and the second rail set, the dimensions of the individual elements, in particular the required heights for the respective active wheel set can be specified with comparatively small tolerances. Thus, in this change from the second set of wheels to the first set of wheels by lowering the first set a short stroke sufficient. The required lifting force when lowering the wheels of the first set of wheels is indeed large, the necessary lifting by the small stroke but can still be kept relatively small.

Preferably, it is therefore also proposed that the changing device lowers and / or raises the wheels of the first wheel set by means of a toggle mechanism. Such a toggle mechanism is characterized in that - as in humans lent knee, which gave this mechanism the name - because of the used angles a stretching with enormous force, however small way, can be achieved. For the proposed use in the changing device, namely the powerful lowering of the wheels of the first wheel with low stroke, such a toggle mechanism is thus advantageously applicable. In addition, the stretched state in which the wheels of the first gearset are lowered and carry the entire load of the transport vehicle can be held with little or no force.

Preferably, the changing device is operated hydraulically and / or electrically. Hydraulic operation allows enormous forces and precise movement. The same can be achieved by an electric drive, possibly with appropriate translation. Preferably, however, the electric drive is proposed for generating the hydraulic pressure. In this case, the changing device operates hydraulically when it is operated by means of electrically driven pumps and preferably also electrically controlled valves. According to one embodiment, it is proposed that the changing device for each wheel of the first gearset comprises a lifting means, in particular using a toggle mechanism, for lifting and lowering the respective wheel, wherein the lifting means are preferably controlled synchronously. This makes it possible to divide the necessary force, which ultimately ultimately results from the weight of the equipped transport vehicle divided by the number of lifting means - with a uniform distribution - and thus reduce for each individual lifting device. This is especially true for a uniform distribution and synchronous control, in the optimal case, all wheels of the first set of wheels at the same time reach the rails of the first rail set and then have to take over the forces previously on the wheels of the second set of wheels. The transport vehicle can also be designed so that the wheels of the first or second wheelset are grouped. For example. The wheels can occur in pairs or in a group of four. In this case, it is proposed to provide a lifting means for each such wheel group.

Preferably, the changing device is supplied with electrical energy from an electrical, rechargeable energy storage. Such an electrical energy store may in particular be a battery store, ie a store consisting of one or more rechargeable batteries, which may also be referred to as accumulators. This makes it possible to control the changing device, in particular the lifting means in the transport vehicle, without the transport vehicle would have to be connected during such a change process with a corresponding supply line. In particular, such a change of direction, in which the changing device is actuated, takes place at a crossing region between the two rail sets and thus usually not at a working position. The electrical rechargeable energy storage is thus preferably carried along with the transport vehicle.

Preferably, a connection coupling is provided in order to connect the transport vehicle and / or a rotor blade form accommodated on the transport vehicle to supply lines for electric current, compressed air, vacuum and / or control data. Such a connection coupling allows the method of the transport vehicle without coupling to corresponding supply lines, so that the coupling must be made only in the respectively required working positions. Such a connection coupling can also be used to recharge an electrical energy store for supplying the changing device. The coupling itself also takes place by means of electrical drive, which is supplied from the battery of the vehicle.

According to one embodiment, it is proposed that a plurality of wheels are driven by a common drive motor, and that the drive is effected by means of drive shafts and universal joints. This is especially suggested for a longitudinal drive. When transverse drive each driven wheel block has its own drive, at least according to one embodiment. The common drive motor drives so at least two, preferably four drive shafts, which are each connected via a universal joint with at least one wheel. So it is sufficient to provide a drive motor for multiple wheels. The drive torque can be distributed via drive shafts on the transport vehicle and the respective wheels are supplied to the drive. Because the transport vehicle is preferably provided for driving on each straight, curve-less rail sets, the wheels can at least one wheel set, which are therefore to drive on the same rail set, are driven synchronously. In addition, owing to the rail system, rolling characteristics that are the same for all wheels of a wheel set can generally be expected without interference.

Preferably, at least one universal joint is in each case arranged at the end of a drive train, namely thus between a drive shaft and the wheel to be driven in each case. This is particularly advantageous for the wheels of the first wheel, which can be raised or lowered. By the universal joint and in particular one long drive shaft, the respective drive train of a raising or lowering of the respective degree unaffected or little influence.

Preferably, a transmission between universal joint and wheel is provided to reduce a high speed of the drive shaft, which is called shaft speed here, to a lesser speed of the wheel, which is called wheel speed here. Accordingly, the same gear, at least in terms of the ratio, to provide for each driven wheel of a wheelset. Thus, a synchronization of the wheels can be achieved with a common drive. In the longitudinal drive described this synchronization is enforced mechanically. The drive can be done by a high-speed drive motor and the use of each one gear on each wheel to be driven allows the use of low-gear design. In addition, a high speed of the drive shafts is achieved by a translation only directly on the wheel and thus the respective drive torque can be kept low on these faster rotating drive shafts, which can lead to a correspondingly weight-saving design of both the drive motor, and the drive shafts. As a result, the weight of the transport vehicle can be kept correspondingly low overall. In the described transverse drive, the individual drives are electrically coupled and synchronized.

Preferably, the drive motor is electrically driven and powered by one or the electric battery storage, which is carried on the transport vehicle, with electrical energy.

According to the invention, a handling device for handling a rotor blade for manufacturing a rotor blade of a wind energy plant or a partial shell of a wind energy blade is also proposed, wherein the handling device comprises a transport vehicle according to at least one of the embodiments described above, and a first rail set for moving the transport vehicle in one first direction and a second rail set for moving the transport vehicle in a second direction. The effects and advantages and the manner of handling result from the description above for the transport vehicle according to at least one of the described embodiments.

Preferably, the first rail set is aligned substantially in the longitudinal direction and thus transversely to the second rail set to allow the transport vehicle to move substantially in two mutually transverse directions. par- dere is the handling device, so the two rail sets and the transport vehicle, designed so that the transport vehicle can be moved in the longitudinal direction and in the transverse direction.

Preferably, the first rail set and / or the second rail set in a ground recessed round rails. In particular, the first rail set and / or the second rail set are each formed by such sunken in a floor round rails. The rails are thereby embedded in the ground, that in a sectional view with a section transverse to the longitudinal direction of the respective rails, a semicircular portion or less of the round rail projects beyond the ground. Thus, a rail system is created in which only a semi-circular bar or less protrudes from the ground. The respective wheels, that is to say the wheels of the first wheel set or the wheels of the second wheel set, are preferably adapted to this convex curvature. Thus, the transport vehicle can be performed with its adapted wheels on rails, especially on rails of a hall floor of a production hall, while at the same time these rails hardly protrude from the ground and other non-rail vehicles can cross these rails. People who move near the rails, especially those that cross, also have less potential for injury. In particular, the risk of someone stumbling over the rails is reduced. According to one embodiment, it is proposed that the handling device includes a first rotor blade for manufacturing a first rotor shell and also includes a second arranged on the transport vehicle rotor blade for making a second rotor blade shell. The first rotor blade can be arranged stationary or can also be arranged on a transport vehicle, which can correspond to an embodiment of a transport vehicle described above, or else can be configured otherwise.

Furthermore, a hinge device is provided which is prepared for pivoting the second rotor blade form, namely such that a second rotor blade subshell accommodated on the second rotor blade is pivoted onto a first rotor blade subshell received in the first rotor blade so as to assemble these two rotor blade shells and to feed the rotor blade finished, or manufacture a corresponding section of the rotor blade. Preferably, the hinge device is prepared to be firmly but releasably connected to pivot with the second rotor blade. For this purpose, for example, fastening means are provided which are part of the pivoting device and have an extendable cylinder, which can be retracted in each case in a corresponding receptacle on the rotor blade. In addition, a lock can be provided so that one, in particular a plurality of, fixed connections between the pivoting device of the respective rotor blade form. These connections are so far as that now the second rotor blade can be pivoted by means of the pivoting device, in particular about an approximately horizontal pivot axis, and in particular about 180 degrees about this horizontal pivot axis, without the rotor blade detaching from the pivoting device. Later, especially when the rotor blade has been folded back and is placed on the transport vehicle again, this connection can be solved again by the lock is released and the exemplified cylinder moves out of the receptacle again.

Also according to the invention a method for manufacturing a rotor blade is proposed which comprises the following steps:

Method of a second rotor blade by means of a transport vehicle in a first direction in the vicinity of a hinge device

Method of the second rotor blade by means of the transport vehicle in a second direction to the hinge device,

Connecting the second rotor blade to the hinge device, in particular so that the hinge device moves in a first, substantially vertical movement into at least one receptacle of the second rotor blade in a connecting position and in this connection position a locking is made,

Pivoting the second rotor blade by means of the hinge device, in particular about a substantially horizontal axis, until the second sub-shell comes to rest on a first sub-shell received in a first rotor blade to connect the two rotor blade sub-shells for manufacturing the rotor blade in this position.

Accordingly, the rotor blade shape is first moved by means of a transport vehicle in a first direction in the vicinity of the hinge device. This is in particular a method in the longitudinal direction of the transport vehicle, which is thus also substantially in the longitudinal direction of the rotor blade to be manufactured. Here, the second rotor blade can be moved from a previous working position here. Then, the second rotor blade is moved by means of the transport vehicle in a second direction, in particular in a transverse direction, to the hinge device. The rotor blade is now arranged in an accessible proximity for attachment to the hinge device and accordingly proposes the method to connect the second rotor blade with the hinge device, in particular so that the hinge device in a first, substantially vertical movement in at least one receptacle of second rotor blade moves in a connecting position and that in this connection position, a lock is made. This locking can also be such that the movement that the hinge device has made for connection can not be reversed by itself and the rotor blade shape thus connected can not slip out of the connection either.

Preferably, the rotor blade is raised by means of hydraulic cylinder from the car and hung in the powerhinge, then lowered again and locked in the Powerhinge. Finally, the second rotor blade is pivoted by means of the hinge device, in particular about a substantially horizontal axis, until the second sub-shell, which is inserted in the second rotor blade, comes to rest on a first sub-shell accommodated in a first rotor blade. It is provided that these two subshells come to rest against each other so that in this position, the two rotor blade subshells can be connected to manufacture the rotor blade. In particular, an adhesion of the two partial shells can be made to a corresponding contact edge.

Preferably, a transportation vehicle according to any of the above-described embodiments is used and / or a handling apparatus according to any one of the above embodiments is used. The invention will now be described by way of example with reference to exemplary embodiments with reference to the accompanying figures.

1 shows a transport vehicle with a mold carrier for a rotor blade form and a hinge device schematically in a perspective view in the longitudinal direction.

Fig. 2 shows a plan view of a transport vehicle without mold carrier and without

Rotor blade shape. FIG. 3 essentially shows the transport device of FIG. 2 in a perspective view.

Fig. 4 shows a transport vehicle in a front view in the longitudinal direction.

Fig. 5 shows a detail of a transport vehicle in a perspective

View.

Fig. 6 shows a vehicle indexing device in a partially sectioned view with a partial section of the transport vehicle.

Fig. 7 and

Fig. 8 shows a partially cutaway view in a longitudinal direction of a

Section of a transport vehicle in different states to illustrate the lifting and lowering of a wheelset.

1 shows a perspective view of a transport vehicle 1 with a lattice binder 2 arranged thereon. The lattice binder 2 is already roughly adapted to the shape of a rotor blade to be manufactured and provided for receiving a rotor blade shape. Such a rotor blade form is inserted as intended in this lattice binder according to the illustration shown from above or placed on it. For the case shown rotor blade is provided for manufacturing a partial shell of a rotor blade. Another rotor blade for a further sub-shell would be in the only partially shown in Fig. 1 lattice binder 2 'insert. The rotor blade to be manufactured is finally composed essentially of these two partial shells. For simplicity, a lattice binder such as the lattice binder 2 may also be referred to as a mold carrier.

In order to assemble both rotor blade shells manufactured in this way, a hinge device 50 is provided which has a fixed leg 52 and a movable leg 54. The movable leg 54 can be pivoted about a pivot axis 56 relative to the fixed leg 52, thereby pivoting the mold carrier 2 on the mold carrier 2 '. The mold carrier 2 is thereby substantially pivoted as shown in FIG. 1 from above on the mold carrier 2 'and placed from above.

For this purpose, the mold carrier 2 is fastened to the movable limb 54 by means of two fastening elements 58, wherein a detent is additionally provided in order to secure the connection. to ensure even during the pivoting process. Accordingly, by pivoting the movable leg 54, the entire mold carrier 2 including the inserted rotor blade shape can now be pivoted to the further mold carrier 2 'in order to assemble the two mentioned rotor blade partial molds. For carrying the mold carrier 2 on the transport vehicle 1 cones are provided which are arranged substantially vertically, for receiving the mold carrier, when it is again pivoted back from the further mold carrier 2 '. For this purpose, cone-shaped receptacles in the transport vehicle 1 can interact with conical pins on the mold carrier 2, or vice versa. In addition, a part of a first wheel set 10 and a part of a second wheel set 20 can be seen in FIG. Of the first and second wheelset 10 and 20, only one pair of wheels 12 and 22 is shown in each case. The first wheel 10 is provided for moving the transport device 1 in the longitudinal direction, namely in the longitudinal direction of the rotor blade to be manufactured. This roughly corresponds to the direction in the drawing plane. For the method in the longitudinal direction a plurality of rails of a first rail set are provided, of which a rail 14 of this first rail set is shown embedded in a bottom 30. The rail 14 is in this case designed as a round rod and as such embedded in the bottom 30. It can be seen that the wheel pair 12 of the first wheel set 10 does not touch the floor 30 or the rail 14. Rather, the first set of wheels 10 is raised relative to the floor 30 and the first rail set. In this case, the transport vehicle 1 is shown offset in a direction transverse to the course of the rail 14, so that the pair of wheels 12 also is not arranged directly above the rail 14, but added to it. Of the pair of wheels 12, a part of a wheel 13 can be seen. This wheel 13 is adapted in shape to run on the rail 14. In that regard, the wheel 13 has a concave surface which substantially conforms to the shape of the rail 14, namely the round bar.

To drive a drive shaft 16 is provided, which is coupled via a universal joint 18 with the wheelset 12 to at least drive the wheel 13. The first wheel 10 of the transport vehicle 1 comprises a plurality of pairs of wheels, similar 24 pairs of wheels 12, but not all of which are driven. However, it is also possible, depending on the requirements, to drive more or fewer pairs of wheels or, in particular, also all wheel pairs of the first set of wheels 10. The pair of wheels 12 of the first wheel 10 is fixedly connected to the transport vehicle 1. The situation shown in Fig. 1, that the first wheel 10 and thus the pair of wheels 12 is raised relative to the floor 30, results from the fact that the transport vehicle 1 is raised as a whole. The second set of wheels 20, of which the pair of wheels 22 is comprised with the two wheels 23, is seated on the floor 30 or a corresponding rail of a second rail set. This second rail is embedded in the floor 30 so that it is barely visible in FIG. 1. This rail of the second rail set has a shape like the rail 14 of the first rail set, so it can also be formed as a round rod, and is also embedded in the ground 30 in a similar manner. The rail of the second rail set runs transversely to the rail 14 of the first rail set.

The pair of wheels 22 of the second wheel 20 is connected via a changing device 24 to the transport vehicle 1, wherein the changing device 24 is shown here only schematically and will be explained later in more detail. The changing device 24, of which only a part is shown here, is provided for lifting and lowering the second wheel 20. The part shown in Fig. 1 is provided for lifting and lowering of the pair of wheels 22 of the second wheel 20. The lifting and lowering of the second wheel set takes place in this case, in particular with a corresponding force, that it raises the entire, remaining transport vehicle 1 when lowering the second wheel 20. 1 shows this raised state of the transport vehicle 1. In this situation, the transport vehicle 1 in the transverse direction, namely transverse to the longitudinal axis of the rotor blade to be manufactured and thus approximately parallel to the plane of Fig. 1, are moved. In particular, the transport vehicle 1 can thereby be moved in the direction of the hinge device 50 such that an attachment between the movable leg 54 and the mold carrier 2 can be made via the fastening elements 58 with the aid of a hydraulic lifting device which raises and lowers at least the mold carrier 2. This hydraulic device may be part of the transport vehicle 1. 1 shows a part of a handling device 60, which comprises the transport vehicle 1, a first rail set including the rail 14 and a second rail set, wherein the first and second rail set are at least partially embedded in the floor 30. The transport vehicle 1 is shown schematically in Fig. 2 in a plan view, but completely. It is shown by way of illustration a longitudinal direction 1 1 with a double arrow and a transverse direction 21 also with a double arrow. The longitudinal direction 1 1 and the transverse direction 21 are arranged substantially perpendicular to each other. It does not depend on an exact angle of 90 degrees between these two directions 1 1 and 21, but they should not be parallel to each other.

In FIG. 2, it can be seen that 16 part-changing device 25 are provided, which together form the changing device 24. Each part-changing device 25 is associated with a pair of wheels 22 of the second wheel 20. Two Teilwechselvorrichtun- gene 25 are attached together with a connecting bracket 32 to longitudinal members 34. A common lowering of the pairs of wheels 22 by the part-changing devices 25 and thus by the changing device 24 leads to a lifting of the transport vehicle 1, in particular on this longitudinal member 34. At the longitudinal members 34 is a plurality of cross members 36 arranged or the side members 34 and cross member 36 are connected to each other to a stable structure of the vehicle 1. In addition, various longitudinally arranged support beams 38 are provided. The longitudinal members 34, cross members 36 and support beams 38, which in each case need not be identical, although here only one reference numeral is used, essentially form the transport vehicle 1, at least its stable support structure. For driving the pairs of wheels 22 of the second wheel 20, some transverse drives 26 are provided, which also have a gear 28. The coupling to the respective pair of wheels 22 can not be seen in the overview of FIG. 2. The transverse drives 26 are in each case mechanically mutually independent gearboxes, which, however, are electrically coupled or synchronized in order to achieve the most uniform and equal movement of the transporting vehicle 1 when moving in the transverse direction 21. Not all wheel pairs 22 of the second wheel 20 are driven.

Wheel pairs 12 of the first wheel 10 are located below the side members 34 and are therefore not visible in FIG. 2, but are shown in Fig. 3, at least suggestively in some places. To drive at least some of the pairs of wheels 12 of the first set of wheels 10, a common drive is provided, which mechanically forwards the drive energy or drive torque via shafts. These shafts are arranged or guided substantially underneath the carriers, namely in particular longitudinal members 34, and can also be deflected by means of cardan shafts or otherwise. Furthermore, a hydraulic unit 40 is provided, which is provided for actuating the changing device 24 and thus the individual part-changing devices 25.

4 shows a front view of the transport vehicle 1 a view in the longitudinal direction of the transport vehicle 1. The longitudinal direction thus extends here in the plane of the drawing. Two pairs of wheels 12 of the first set of wheels 10 can be seen in the illustration, and two pairs of wheels 22 of the second set of wheels 20. The drive of the wheel pairs 12 shown is achieved via a distribution gear 42 that basically works like a differential gear and in each case a drive torque to the drive shafts 16 transmits, so that the respective drive torque reaches the respective pair of wheels 12. For deflecting cardan joints 18 are also provided.

The distributor 42 receives a torque from a central drive via a corresponding drive shaft.

For indexing and / or detecting a position of the transport vehicle 1 in the transverse direction, vehicle indexing devices 44 are provided. These vehicle indexing devices 44 are fixedly arranged on the ground and can determine a position of the transport vehicle 1. In addition, the vehicle indexing devices 44 can hold the transport vehicle 1 on the ground 30 when the mold carrier 2 is pivoted from the transport vehicle 1 to the second mold carrier 2 '.

On the transport vehicle 1 transverse thrust elements 46 are arranged, the connecting arms 48 have in order to take a lattice binder or formations 2, as shown in Fig. 1, and to attach in many places. The shear elements 46 are fixed by pins, bolts or the like to the cross members 36, but can be solved there and changed in particular in their position relative to the transport vehicle 1. As a result, they can adjust to changes such as a change in the mold carrier or grating binder to be supported and / or a change in the rotor blade shape.

Details of the vehicle indexing device 44 are shown in FIG. The vehicle indexing device 44 has an indexing pin 62, which in turn has a conical tip 64. Adapted to this conical tip 64 is on the transport vehicle 1, a corresponding Indexieraufnahme 66 with a corresponding recess 68, which corresponds approximately to a tapered blind hole. In this case, the indexing pin 62 can be inserted into this recess 68 of the indexing receptacle 66 and when it is completely inserted, the exact position of the Indexieraufnahme 66 is determined anyway. Insofar as such indexing is carried out at several points, namely at least at the two points shown in FIG. 4, which have a vehicle indexing device 44, the exact position of the transport vehicle 1 can thus be determined. Incidentally, FIG. 5 shows a section of FIG. 4, as indicated by the circle around the indexing device 44.

FIG. 6 shows a section of a transport vehicle 1 and a section of a longitudinal member 34, to which a pair of wheels 12 of the first gearset 10 and a part-changing device 25 of the changing device 24 are attached. A pair of wheels 22 of the second wheel 20 is attached to this part-changing device 25 and shown in a lowered position. Schematically, without representation of a floor, a rail 14 of a first rail system and a rail 27 of a second rail system is shown. The pair of wheels 20 of the second set of wheels 22 in this case sits on the rail 27 of the second rail system

FIG. 6 additionally shows a transverse drive 26, which lowers its speed via the gear 28 and correspondingly increases the torque. From the transmission 28, the drive torque is then supplied via the drive shaft 16 to the pair of wheels 22. Functionally, the drive shafts 16, which lead to the pair of wheels 12 of the first set of wheels 10 and those that lead to the pair of wheels 22 of the second set of wheels 20, at least functionally the same or similar, so that here an identical reference number chosen to emphasize the functional similarity. Also in the transmission of the drive torque to the pair of wheels 22 of the second wheel 20 cardan joints 18 are provided.

From the partial change device 25, a toggle mechanism 70 can be seen. The toggle mechanism 70 has a knee joint 72 and an upper and lower attachment joint 74 and 76, respectively. Of the knee joint 72 is a pivotal connection to the upper mounting joint 74 via an upper leg 78 and the lower mounting joint 76 via a lower leg 80. For actuating the toggle mechanism 70, a hydraulic drive 82 is provided, which is hidden in Fig. 6 for the most part, and which acts directly on the knee joint 72.

In the state shown in Fig. 6, the hydraulic drive 82 has extended to the extent that it has pushed the knee joint 72 into a position in which the toggle mechanism 70 is stretched. The upper leg 78 and the lower leg 80 are thus substantially in alignment. Furthermore, it can be seen that the pair of wheels 22 of the second wheel 20 is fixed to a pivot arm 84. The pivot arm 84 is pivotally mounted about the pivot arm 86 to the part-changing device 25. The pair of wheels 22 of the second set of wheels 20 is in turn pivotally attached to the pivot arm 84, namely in the region of the fastening axis 88. The toggle mechanism thus acts first on the pivot arm 84, the toggle mechanism 70 can pivot, the pivot angle is very low.

In order to raise the pivot arm 84, and thus the pair of wheels 22, and thereby lower the transport vehicle 1, the hydraulic drive 82 pulls the knee joint 72 towards itself, causing the upper and lower attachment hinge 74, 76 to move towards each other. As a result, the pivot arm 84 lifts in the area and thereby also lifts the pair of wheels 22 of the second wheel 20 at.

In such a pulling movement of the toggle mechanism has relatively little power. However, since the transport vehicle 1 is lowered by this movement, this toggle mechanism also requires no force when lowering the transport vehicle 1, at least no pulling force. At most, would have to be counteracted too fast lowering of the transport vehicle 1. Only when the transport vehicle is lowered so far that the pair of wheels 12 on the rail 14 and thus the first set of wheels 10 on the whole load on the first rail set, 70 must be raised by continuing the movement of the toggle mechanism 70, the pair of wheels 22 of the second wheel 20, but why comparatively little power is needed.

Most of the force is needed when lifting the transport vehicle and this is the effect of the lever mechanism 70 to advantage that reaches a very strong leverage. In addition, in the raised state shown in Fig. 6, the transportation vehicle 1 can be held almost without force by the hydraulic driver 82 because the toggle mechanism is stretched there.

The operation of the toggle mechanism 70 is also illustrated in Figures 7 and 8, in which Fig. 7 shows a raised state of the pair of wheels 22 of the second gear 20 and Fig. 8 shows a lowered state of the pair of wheels 22 of the second gear. FIG. 8 shows the state which is also in FIG. 6.

In Fig. 7 it can be seen that the pair of wheels 12 of the first set of wheels 10 rests with a wheel 13 on the rail 14. The pair of wheels 22 of the second wheel 20 touches the rail 27 of the second rail system not. In the state shown in Fig. 7, the transport vehicle 1 can thus be moved in the longitudinal direction, whereas in the state shown in Fig. 8, a method in the transverse direction is made possible. For the movement sequences, reference is made to the explanation in connection with FIG. 6, which also applies here.

Claims

claims

Transport vehicle (1) for handling a rotor blade shape for manufacturing a rotor blade of a wind turbine or a partial shell of a rotor blade of a wind turbine, prepared for use in a handling device (60) and the handling device (60)

a first rail set for moving the transport vehicle in a first direction and

a second rail set for moving the transport vehicle in a second direction,

and the transport vehicle includes

a plurality of wheels (13) comprising the first set of wheels (10) for driving on the first rail set and

a second wheel set (20) comprising a plurality of wheels (23) for traveling on the second rail set.

Transport vehicle (1) according to claim 1,

characterized in that

the transport vehicle has a changing device (24) for changing over from the first wheel set (10) to travel on the first rail set, to the second wheel set (20) for traveling on the second rail set.

Transport vehicle (1) according to claim 1 or 2,

characterized in that

one or the changing device (24) for lifting and lowering the wheels (23) of the first gear set (10) is prepared, wherein the wheels of the first gear set (10) can be moved from a lowered state to a raised state, and vice versa, and wherein the transport vehicle is raised by lowering the wheels (23) of the first wheel set (10) and the transport vehicle in the lowered state rests on the wheels (13) of the first wheel set (10) on the first rail set, and the wheels (23) of the second wheel set (20) do not load on the second rail set and

load in the raised state with the wheels (23) of the second gear set (20) on the second rail set, and the wheels (13) of the first gear set (10) do not load on the first rail set. Transport vehicle (1) according to one of the preceding claims,

characterized in that

one or the changing device (24) the wheels (13) of the first gear set (10) by means of a toggle mechanism (70) lowers and / or raises.

Transport vehicle (1) according to one of the preceding claims,

characterized in that

one or the changing device (24) is operated hydraulically and / or electrically.

Transport vehicle (1) according to one of the preceding claims,

characterized in that

one or the changing device (24) for each wheel of the first gearset (10) or for each wheel group of the first gearset (10), when the wheels of the first gearset (10) are grouped in a plurality of groups, a lifting means for raising and lowering the each wheel or the respective wheel group comprises and wherein the lifting means are preferably controlled synchronously.

Transport vehicle (1) according to one of the preceding claims,

characterized in that

one or the changing device (24) is supplied with electrical energy from an electrical, wiederaufiadbaren energy storage, in particular a battery storage and the electrical, rechargeable energy storage on the transport vehicle (1) is arranged and fixed and / or that on the transport vehicle (1) a Connection coupling is provided to connect the transport vehicle (1) and / or on the transport vehicle (1) recorded rotor blade with supply lines for electrical power, compressed air, vacuum and / or control data.

Transport vehicle (1) according to one of the preceding claims,

characterized in that

several or all wheels of the first and / or several or all wheels of the second gear (10, 20) are each driven by a common drive motor, and that corresponding drive torques from the drive motor via drive shafts (16) and universal joints (18) to the driven wheels In particular, in each case a universal joint (18) between a driven wheel and a drive shaft (16) is arranged and optionally between the universal joint (18) and the driven wheel, a transmission is arranged, that a shaft speed of the drive shaft (16) on the universal joint (18) translated into a smaller wheel speed.

Handling device (60) for handling a rotor blade for making a rotor blade of a wind turbine or a partial shell of a rotor blade of a wind turbine comprising

a transport vehicle (1) for transporting the rotor blade form a first rail set for moving the transport vehicle (1) in a first direction,

a second rail set for moving the transport vehicle (1) in a second direction,

wherein the transport vehicle (1) is designed according to one of the preceding claims.

Handling device (60) according to claim 9,

characterized in that

the first rail set is substantially transverse to the second rail set to allow the transport vehicle (1) to move substantially in two mutually transverse directions. 1. Handling device (60) according to claim 9 or 10,

characterized in that

the first rail set and / or the second rail set in a bottom (30) recessed circular rails, wherein the rails are embedded in the bottom (30), that in a sectional view with a section transverse to the longitudinal direction of the respective round rail a semicircular portion or less the round rail the floor (30) surmounted.

Handling device (60) according to one of claims 9 to 11,

marked by

a first rotor blade for making a first rotor blade part shell, a second on the transport vehicle (1) arranged rotor blade for making a second rotor blade part shell and

a hinge device (50) prepared for pivoting the second rotor blade so that a second rotor blade shell received in the second rotor blade forms on a first rotor blade formed in the first rotor blade. mene first rotor blade shell is pivoted so as to assemble the two rotor blade shells and manufacture the rotor blade.

Handling device (60) according to claim 12,

characterized in that

the hinge device (50) is prepared to be firmly but releasably connected to the second rotor blade for pivoting, in particular for pivoting about a substantially horizontal pivot axis (56).

Methods of manufacturing a rotor blade include the steps

Method of a second rotor blade by means of a transport vehicle (1) in a first direction in the vicinity of a hinge device (50), method of the second rotor blade by means of the transport vehicle (1) in a second direction to the hinge device (50) zoom,

Connecting the second rotor blade to the hinge device (50), in particular such that the hinge device (50) moves in a first, substantially vertical movement into at least one receptacle of the second rotor blade in a connecting position and in this connection position a locking is made,

Pivoting the second rotor blade by means of the hinge device (50), in particular about a substantially horizontal axis until the second sub-shell comes to rest on a first sub-shell received in a first rotor blade to connect the two rotor blade sub-shells for manufacturing the rotor blade in this position.

Method according to claim 14,

characterized in that

A transport vehicle according to any one of claims 1 to 8 and / or a handling device (60) according to any one of claims 9 to 13 is used.