Wind turbine hub transportation device

1. Wind turbine hub transportation device, comprising:

a hub receiving surface for receiving a wind turbine hub;

a bottom surface opposite to the hub receiving surface;

a first beam;

a second beam;

a fastener for fastening the transportation device to a further device facing the bottom surface; and

a center part arranged between the first beam and the second beam,

wherein the first beam comprises a first beam connector adapted to connect the first beam to a first lifter for lifting the transportation device,

wherein the second beam comprises a second beam connector adapted to connect the second beam to the first lifter,

wherein the center part comprises a center connector for connecting a second lifter for lifting the transportation device,

wherein the center connector is the fastener for fastening the transportation device to the further device and for mounting the transportation device to the second lifter.

2. The transportation device according to claim 1 , further comprising:

a third beam connecting the first beam and the second beam; and

a fourth beam connecting the first beam and the second beam.

3. The transportation device according to claim 1 , wherein:

the first beam comprises two first beam connectors,

the second beam comprises two second beam connectors,

the first beam and the second beam each have a first end and a second end,

the first end and the second end of the first beam each comprise one of the two first beam connectors; and

the first end and the second end of the second beam each comprise one of the two second beam connectors.

4. The transportation device according to claim 2 , wherein:

the first beam comprises two first beam connectors,

the second beam comprises two second beam connectors,

the first beam and the second beam each have a first end and a second end,

the first end and the second end of the first beam each comprise one of the two first beam connectors; and

the first end and the second end of the second beam each comprise one of the two second beam connectors.

5. The transportation device according to claim 1 , wherein the first beam connector is adapted to receive the fork of a fork lifter.

6. The transportation device according to claim 1 , wherein the second beam connector is adapted to receive the fork of a fork lifter.

7. The transportation device according to claim 1 , wherein:

the center part comprises a through hole,

the center connector is accessible via the through hole.

8. A method of assembling a rotor of a wind turbine with a hub mounted to a transportation device, the method comprising:

providing a transportation device including a hub, wherein the transportation device comprises a hub receiving surface and a bottom surface opposite the hub receiving surface;

lifting the transportation device with the hub;

placing the transportation device with the hub at a desired location above ground; and

fastening the transportation device to a further device facing the bottom surface by a center part of the transportation device.

9. The method according to claim 8 , further comprising:

receiving the wind turbine hub by the hub receiving surface;

providing a first beam, and a second beam wherein the center part is arranged between the first beam and the second beam;

connecting the first beam to a first lifter for lifting the transportation device via a first beam connector of the first beam;

connecting the second beam to the first lifter via a second beam connector of the second beam; and

connecting a second lifter for lifting the transportation device via a center connector of the center part.

10. The method according to claim 9 , wherein:

the first beam comprises two first beam connectors,

the second beam comprises two second beam connectors,

the first beam and the second beam each have a first end and a second end,

the first end and the second end of the first beam each comprise one of the two first beam connectors; and

the first end and the second end of the second beam each comprise one of the two second beam connector.

11. The method according to claim 9 , further comprising:

adapting the first beam connector in order to receive a fork of a fork lifter.

12. The method according to claim 9 , further comprising:

adapting the second beam connector in order to receive a fork of a fork lifter.

13. The method according to claim 8 , further comprising:

connecting the first beam and the second beam via a third beam; and

connecting the first beam and the second beam via a fourth beam.

14. The method according to claim 9 , wherein:

the center part comprises a through hole, and

the center connector is accessible via the through hole.