BOLSTER OF FREIGHT CAR WAGON Russian patent published in 2018 - IPC B61F5/52 

FIELD: transportation.

SUBSTANCE: invention relates to structural elements of freight wagon carriages. Bolster consists of an upper belt, a lower belt and side walls. On the upper belt there are support areas for the side slips and cylindrical thrust. Lower belt is provided with support surfaces for resilient elements of spring suspension that move into inclined belts through thickened zones. Upper belt is connected to the lower belt by vertical longitudinal ribs. Vertical ribs are made of different thicknesses. Thickness of vertical ribs in the zone of elastic elements and the cylindrical thrust is increased. Rounding radius of the transitions of the inclined walls of the pockets in the supporting surfaces is greater than the radius of the rounding of the vertical wall transitions to the supporting surfaces.

EFFECT: increase in the strength of the bolster of the freight wagon of the freight car is achieved.

4 cl, 7 dwg