DEVICE FOR LONGITUDINAL COUPLING OF TWO-AXLE BOGIES WITH BODY OF RAIL TRACTION VEHICLE Russian patent published in 2006 - IPC B61F5/02 B61F5/16 

FIELD: railway transport.

SUBSTANCE: rail traction vehicle has body or frame 1, traction bogies 3 with wheelsets 5 and axle boxes 6. Body or frame are furnished with pivots 13 with crossmembers, secured for rotation relative to vertical axle and elastic vertical displacement, connected by axle box carriers 9 or tie-rods with axle boxes, with hinge joints filled with grease or liquid lubricant placed in spaces of pivots, crossmembers and tie-rods, or rubber-meant hinge joints (silent blocks) with provision of rotation around three axes of each hinge joint, or one hinge joint of each tie-rod relative to three axes, and second one relative to vertical and cross axes. According to other design version, crossmembers stated above are furnished with side brackets which, in their turn, are connected by ends with axle box carriers or tie-rods with axle boxes.

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

6 cl, 3 ex, 8 dwg