Tunnel cleaning device

Cleaning device for the dry cleaning of a tunnel, comprising

• a) a feeding device for feeding a flow of air to a surface being cleaned, wherein the feeding device has an exit opening, through which the flow of air emerges from the feeding device
• b) a removal device comprising several removal pipes arranged in a row alongside each other, each removal pipe having a free end with an opening for suctioning away dirt or trash from the surface with the opening of the free end in a first direction,
• wherein
• the feeding device is arranged such that the flow of air from the exit opening emerges from the feeding device in a second direction toward the opening of the free end of the removal pipe and impinges on the surface, the first direction being oriented at an angle between 45° and 80° to the second direction and wherein
• each of the removal pipes comprises an end element at an end of the removal pipe, the end element being directed toward the surface being cleaned, wherein an end element of a first of the removal pipes is movable relative to an end element of a second of the removal pipes.