MULTI-LOADING ROAD TRAIN Russian patent published in 2019 - IPC B62D53/08 

FIELD: transport machine building.

SUBSTANCE: invention relates to transport machine engineering. Multi-loading road-train contains a tractor with a saddle device and a semi-trailer. In the base sheet of the ledge of the semi-trailer frame there is an arc-shaped groove. In the groove of the support sheet of the ledge of the frame in the vertical plane of the semi-trailer there is one of the arms of the two-arm lever, hinged on the supporting sheet. End of the two-arm lever is notched and comes into contact with the bearing surface of the tractor unit. Other end of the two-arm lever is pivotally connected to the pneumatic cylinder stem, which is connected by a pipeline to the pneumatic brake system and is hinged on the support plate of the frame ledge. End of the two-arm lever connected to the pneumatic cylinder is spring-loaded with a helical tension spring relative to the ledge of the semi-trailer frame.

EFFECT: exception is the folding of links of multi-loading road-trains under heavy braking.

1 cl, 3 dwg