Protection device for the connection of two vehicles

Protective device (1) for the coupling between two vehicles, especially for the trailer coupling of a train or push loader, comprises a deflector plate (2) provided with lateral buffers to stop the vehicle to be coupled. The deflector plate is arranged at the height of the coupling (10) and is provided with at least one height buffer preventing sliding of the coupling element of the vehicle to be coupled on the stationary vehicle. An Independent claim is also included for a vehicle provided with the protective device. Preferred Features: The height buffer is a lower buffer (6). An upper buffer (5) is additionally provided.