Primary coupling device and method for connecting a primary coupling device

1. A fifth wheel coupling arrangement, comprising:

a primary coupling device comprising a base body, a first drive and a connector element; and

a fifth wheel coupling plate having a semitrailer surface and an entry opening;

wherein the base body is configured to be fixed to the fifth wheel coupling arrangement and/or the trailer;

wherein the connector element is displaceable relative to the base body by the first drive in a displacement direction;

wherein the displacement direction is oriented such that the displacement direction is parallel to a direction of extension of the entry opening of the fifth wheel coupling plate; and

wherein the first drive comprises a hydraulic drive, an electric drive or a pneumatic drive.

2. The fifth wheel coupling arrangement according to claim 1 , wherein the drive has an energy connection.

3. The fifth wheel coupling arrangement according to claim 1 , wherein the first drive comprises a compressed air cylinder.

4. The fifth wheel coupling arrangement according to claim 1 , wherein the first drive comprises a single-acting cylinder.

5. The fifth wheel coupling arrangement according to claim 1 , wherein the primary coupling device comprises a second drive.

6. The fifth wheel coupling arrangement according to claim 5 , wherein the first and second drives are arranged in parallel.

7. The fifth wheel coupling arrangement according to claim 5 , wherein the connector element is displaceable only by the drive and/or by the second drive and/or by spring elements.

8. The fifth wheel coupling arrangement according to claim 1 , wherein the connector element comprises hydraulic contacts and/or pneumatic contacts and/or electrical contacts.

9. A fifth wheel coupling arrangement, comprising:

a primary coupling device comprising a base body, a first drive and a connector element; and

a fifth wheel coupling plate having a semitrailer surface and an entry opening;

wherein the base body is configured to be fixed to the fifth wheel coupling arrangement and/or the trailer;

wherein the connector element is displaceable relative to the base body by the first drive in a displacement direction;

wherein the displacement direction is oriented such that the displacement direction is parallel to a direction of extension of the entry opening of the fifth wheel coupling plate; and

wherein the connector element and/or the base body is/are mounted movably in a direction perpendicular to the displacement direction.

10. The fifth wheel coupling arrangement according to claim 9 , wherein the direction perpendicular to the displacement direction is normal to the semitrailer surface.

11. The fifth wheel coupling arrangement according to claim 10 , wherein the connector element and/or the base body are movable by 5 mm.

12. The fifth wheel coupling arrangement according to claim 10 , wherein the connector element and/or the base body is/are mounted pivotably in one direction about the normal.

13. The fifth wheel coupling arrangement according to claim 12 , wherein the connector element and/or the base element is pivotable about the normal by a maximum of +/−10°.

14. The fifth wheel coupling arrangement according to claim 13 , wherein the connector element and/or the base element is pivotable about the normal by a maximum of +/−5°.

15. A method for connecting power lines of a fifth wheel coupling arrangement and lines of a trailer, comprising:

providing the fifth wheel coupling arrangement, comprising;

a primary coupling device comprising a base body, a first drive and a connector element; and

a fifth wheel coupling plate having a semitrailer surface and an entry opening;

wherein the base body is configured to be fixed to the fifth wheel coupling arrangement and/or the trailer;

wherein the connector element is displaceable relative to the base body by the first drive in a displacement direction; and

wherein the displacement direction is oriented such that the displacement direction is parallel to a direction of extension of the entry opening of the fifth wheel coupling plate;

providing the semitrailer with a king pin and a secondary coupling device;

displacing the king pin from an uncoupled position to a coupled position relative to the fifth wheel coupling plate; and

connecting the primary coupling device to the secondary coupling device;

wherein 0.1 to 0.5 seconds before the king pin is placed in the coupled position, the drive is activated and/or the primary coupling device is connected to the secondary coupling device.

16. The method according to claim 15 , further comprising:

connecting the primary coupling device to the secondary coupling device, by actuating the drive, subsequent to displacing the king pin to the coupled position.