REAR-DUMP CAR (VARIANTS) Russian patent published in 2021 - IPC B61D9/00 B61D17/06 

FIELD: railway transport.

SUBSTANCE: invention relates to the field of railway transportation of bulk and lump goods requiring no protection from atmospheric precipitation, with a possibility of mechanized loading and unloading. In the first variant, the rear-dump car is comprised of a lower frame (2) installed on bogies (1) and a body (3) containing an upper frame (7) and made with a pneumatic turn system (4). The end walls of the welded structure comprise transverse beams made of rolled steel and shaped as a triangle with the top directed upwards and the base located at an angle of 0°±45° to the horizontal, wherein one inclined wall of the beam is formed by a sheet of sheathing, the second inclined wall is formed by a steel sheet simultaneously serving as a protective shield. The lower wall of the cross beams of the end walls is made of a perforated steel sheet and is located at an angle of 0°±45° to the horizontal. According to the second variant, the end walls of the welded structure in the rear-dump car comprise transverse beams made of rolled sheets and shaped as a trapezoid with the top directed upwards and the base located at an angle of 0°±45° to the horizontal.

EFFECT: invention reduces the metal consumption of the structure, the net weight of the rear-dump car, increases the structural strength and durability.

4 cl, 6 dwg