ROAD TRAIN Russian patent published in 2018 - IPC B62D53/04 

FIELD: transport machinery.

SUBSTANCE: invention relates to trackless vehicles. Road train consists of a tractor-trailer and a semi-trailer. Semitrailer contains a frame with a ledge rigidly attached to a supporting sheet with a pin connected to the seat of the fifth wheel coupling of the towing vehicle. Support ledge of the frame is movably mounted in its guides using cylindrical rolling bodies. On the ledge is rigidly fixed hydraulic cylinder, the rod of which is hingedly attached to the supporting sheet. Hydraulic cylinder is connected by pipelines to a hydraulic distributor installed on a towing vehicle, and its spool with the help of teeth is associated with the return, made on the pivot, rigidly fixed to the frame’s shoulder supporting sheet. Hydraulic distributor with the help of pipelines is connected to the hydraulic station located on the towing vehicle.

EFFECT: increase in the reliability of the running parts and the frame of the tractor vehicle is achieved.

1 cl, 3 dwg