DIESEL LOCOMOTIVE THREE AXLE BOGIE Russian patent published in 2015 - IPC B61F3/06 B61F5/38 B61F5/52 

FIELD: transport.

SUBSTANCE: bogie comprises frame side frames connected by end and swivel beams, mounted axles, traction motors, links, spring sets and axle boxes. Bogie swivel mid section side frames are hollow and feature rectangular cross-section. Extreme parts of side frames o similar sections coupled by end beams can displace in the bogie lengthwise plane. Hydraulic cylinders with two pistons, their rods being articulated with side frame extreme sections, are rigidly secured at outer vertical surfaces of frame mid part side frames. Hydraulic cylinder head and rod chambers are communicated by pipes with hydraulic pressure control valve mounted at bogie frame valve slide being rigidly jointed to locomotive bogie Said hydraulic pressure control valve is connected via pipes with hydraulic station mounted in locomotive body.

EFFECT: reduced wear of mounted axle wheel flange at curved track sections.

2 dwg