LOCOMOTIVE UNDERFRAME Russian patent published in 2002 - IPC

FIELD: mainline electric locomotives and diesel locomotives. SUBSTANCE: underframe is equipped with two T- shaped intermediate beams resting through springs on bogie frame. Each intermediate beam is connected by switch links with body and is connected with longitudinal tie-rods with brackets of bogie sides. Both intermediate beams located behind bogie are connected with common bracket secured on middle beam of bogie. Each inclined tie-rod is connected with center of bogie arm whose ends, through short tie-rods found at both sides of draft gear of automatic coupler, are connected with body frame. EFFECT: improved dynamic characteristics of locomotive, reduced action of locomotive of track, prevention of necessity of demounting of brackets fastening inclined tie-rods on buffer beam at demounting of automatic coupler draft gear for repair. 3 cl, 10 dwg