Revolving drum arrangement for a tire test bench, tire test bench and method for testing vehicle tires

A revolving drum arrangement for a tire testing rig, comprising:

• a drum body movably mounted on rails of a drum carriage, the drum body having an inner circumference and an outer circumference with a running surface configured to contact a vehicle tire, wherein the drum body is arranged to rotate about a running axle and is movable along the drum carriage;
• and
• a friction wheel carriage;
• and
• a friction wheel drive, arranged on the friction wheel carriage and configured to drive the drum body when the friction wheel drive is in contact with the running surface of the drum body,
• wherein the friction wheel carriage is configured to move the friction wheel drive along an infeed direction so that the friction wheel drive can be brought into contact with the drum body;
• and
• wherein the friction wheel drive can be brought into contact with the inner circumference or with the outer circumference of the running surface.