RAIL TRACTION VEHICLE WITH THREE-AXLE FRAMELESS BOGIE (VERSIONS) Russian patent published in 2006 - IPC B61F5/02 B61F5/16 

FIELD: railway transport.

SUBSTANCE: invention relates to design of running gear of traction vehicle. Proposed vehicle has body or frame 1, three-axle frameless bogies 3 with wheelsets 5 and axle boxes 6. body or frame are fitted with pivots 13 with crossmembers 15 installed on pivots for rotation relative to vertical axle and connected by axle-box links 7 or tie-rods with axle boxes of one extreme and middle wheelsets connected, in its turn, with axle boxes of other extreme wheelset, with hinge joints filled up with grease or liquid lubricant in spaces of pivots, crossmembers and tie-rods, or rubber-metal (silent block) joints with provision of rotation around three axles of each hinge 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, crossmembers, named above, are provided with side cantilevers which are connected by ends with axle-box links or tie-rods with axle boxes.

EFFECT: simplified design of running gear at increase of its dynamic and operating properties, reduced overall dimensions of traction vehicle and its frame in height, reduced mass of running gear and its cost.

10 cl, 2 ex, 8 dwg