EIGHT-AXLE RAIL TRACTION VEHICLE WITH FRAMELESS BOGIES 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 traction vehicle contains body or frame 1, four-axle frameless bogies 3 with wheelsets 5 and axle boxes 6. Body or frame are provided with brackets 13 passed between second and third wheelsets, with crossmembers 15 installed for rotation relative to vertical axis and connected by axle-box links 7 or tie-rods with axle boxes of said wheelsets which are, in their turn, connected with axle boxes of first and fourth wheelsets, 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 joint or one hinge of each tie-rod relative to three axles, and second one, relative to vertical and cross axles.

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.

5 cl, 1 ex, 8 dwg