Train tipping machine system

The utility model discloses a train tipping machine system, which comprises a train pushing head of a train pushing machine, which is matched with a train coupler. The train coupler comprises a coupler body (11), a coupler knuckle (12) and a coupler knuckle lock (13), the coupler knuckle (12) is arranged in a cavity formed in the coupler body (11), the coupler knuckle lock (13) is pivotally connected at one side of the coupler body (11), wherein the train pushing head comprises a main body (21), and a concave groove (22) is formed at the position on the main body (21), corresponding to the coupler knuckle (12); moreover, the train tipping machine system also comprises a coupler centering device. A coupler of the train pushing machine in the train tipping machine system can be matched with the train coupler, so as to prevent the train coupler from being in a locked position and keep the train coupler in an unlocked position when railway carriages are pushed by the train pushing machine; meanwhile, the train co