RAILWAY TRACTION VEHICLE WITH TWO AXLE FRAMELESS BOGIES (VERSIONS) Russian patent published in 2006 - IPC B61F5/12 B61F5/16 

FIELD: railway transport.

SUBSTANCE: invention relates to rail vehicles, particularly, to devices providing longitudinal coupling of bogies with rail vehicle body. Railway traction vehicle has body or frame 1, frameless traction bogies 3 with wheelsets 5 and axle boxes 6. Body or frame is furnished with pivots 13 with crossmembers 15 secured on pivots for rotation relates to vertical axle and connected by axle-box carrier or tie-rods 16 with axle-boxes, with hinge joints 176 with grease or liquid lubricant placed in spaces of pivots, crossmembers and tie-rods or rubber metal joints (silent blocks) for rotation around three axles of each hinge joint or one hinge joint of each tie-rod relative to three axles, and second one relative to vertical and cross axles. According to other design version, said crossmembers are furnished with side cantilevers connected by their ends with axle-box carriers or tie-rods with axle-boxes.

EFFECT: improved traction properties of railway traction vehicles, reduced dynamic loads, increased tolerable speeds of running, reduced resistance to running, consumption of fuel and wear of parts, reduced overall dimensions of bogie, improved utilization of underbody space.

10 cl, 3 ex, 9 dwg