DIESEL LOCOMOTIVE NON-PEDESTAL THREE-AXLE BOGIE Russian patent published in 2015 - IPC B61F3/06 B61F5/26 B61F5/48 

FIELD: transport.

SUBSTANCE: this bogie consists of the frame, spring suspension with links and mounted axles with traction motors. Square cross-section bushes are secured at end surfaces of extreme mounted axles to accommodate rods of similar cross-section coupled with rods of pneumatic cylinders secured at said frame and sliding inside said bushes. Every said pneumatic cylinder is connected via pipes with air pressure control valve fitted at locomotive frame mid part. Air pressure control valve slide is rigidly coupled with its body for switching between connection of pneumatic cylinders with compressed air source at straight track section and with atmosphere at curved track sections. Said air pressure control valve is connected to compressed air source arranged in its body.

EFFECT: decreased wear of wheel flanges at track curved sections.

2 dwg