HOPPER CAR Russian patent published in 2022 - IPC B61D7/00 B61D17/16 

FIELD: railway transport.

SUBSTANCE: the invention relates to railway transport. Hopper car includes running gears (1), automatic coupling devices (2), frame (3) and body (4) consisting of side (5) and end (6) walls, hoppers (7) equipped with unloading hatches (8), roof (9) equipped with loading hatches (10), and loading hatch sealing mechanism (11), including shaft arranged in guide brackets fixed on car roof, tie-rod interacting with bracket fixed on car frame containing slot for interaction with tie-rod. The link of the sealing mechanism includes a rigidly fixed upper washer and a lower washer. The engagement of the upper washer with the bracket corresponds to the position of the closed-loop mechanism, and the engagement of the lower washer with the bracket corresponds to the position of the open-loop mechanism. The tie-rod is pivotally connected to one of the ends of the L-shaped lever, which by its other end is rigidly connected to the shaft located in the guide brackets with the possibility of being rotated therein. The shaft contains rigidly connected cams interacting with the plates rigidly fixed on the covers of the loading hatches. The position of the thrust washers in the bracket sets the extreme positions of the closed/open cams.

EFFECT: invention creates more convenient in operation, reliable and simple in design car-hopper.

11 cl, 8 dwg