METRO CAR TWO-AXLE BOGIE Russian patent published in 2014 - IPC B01F3/04 

FIELD: transport.

SUBSTANCE: invention relates to railway transport, particularly, to drive motor turn bogies, namely, to two-axle cars of metro cars. Proposed bogie comprises mounted axles 1 and frame 2. Said frame supports braking equipment 3, motors 4 articulated via clutches 5 and reduction gearboxes 6 with mounted axles 1. Frame 2 features a closed design. Rotational axis 13 of motors 5 is located lower than that 14 of mounted axles 1. Reactive moment of motor 4 is transmitted via brackets 15 and reactive links 16 to beams 10 for uniform distribution of loads at bogie frame 2. Beams 10 are bent down. Motor brackets 15 are mounted at beam 9 and equally spaced from bogie lengthwise axis. Spacing between brackets 15 is selected to make motor weight load uniformly distributing over beam length. Said bogie includes axle box dampers 19, vertical dampers 20, transverse dampers 21 for connection with bogie frame and body. Top support 22 of every axle box damper 19 and lower support of every vertical damper 20 are composed of detachable brackets.

EFFECT: smooth run of metro cars.

4 cl, 5 dwg