IMPROVED SEMI-TRAILER Russian patent published in 2020 - IPC B62D53/06 B62D63/06 

FIELD: transport machine building.

SUBSTANCE: semi-trailer for replaceable bodies comprises frame, axle, fixing mechanisms, bearing bridge structure and three bridges. Fixing mechanisms are installed on frame in places corresponding to arrangement of cast angles of containers. Bearing bridge structure slides in the longitudinal direction along the frame and is fixed in several definite positions. Extreme rear position of bearing bridge structure relative to frame such that axis of rear axle with steering protrudes back beyond rear locking mechanism, installed on frame. Method of weight distribution of at least one container consists in the fact that container is installed on semitrailer frame. Load container. Moving tractor is carried out longitudinal movement of frame relative to bearing bridge structure. When the required position is achieved, the loaded container weight is distributed between semi-trailer bridges and tractor.

EFFECT: improved operational flexibility and semitrailer load distribution.

15 cl, 19 dwg