SELF-PROPELLED RAIL TRUCK Russian patent published in 1994 - IPC

FIELD: railway transport. SUBSTANCE: truck has platform body 1, two wheelsets 2. Arranged under platform body 1 are driving wheel 3 and driven wheel 4. Rubber-tyre wheels 3, 4 are installed on ends of two-arm beam 7 with axle 8 secured in walls of beam 7. Through port is made in middle part of beam 7. Hinge-connected by one end at angle to axle 8 is rod 17. Other end of rod is hinge-connected by axle 18 to bracket 19 rigidly secured to platform body 1. Pressure spring 20 is arranged vertically between bearing plates in center of beam 7. Plates are installed on telescopic rod made up of two parts. Lower part with shoulders is hinge-mounted on axle 8 and it has cylindrical end fitted in hole made in upper part. Upper part has thread with turned-on adjusting nuts. Upper part is hinge-connected through axle 27 with bracket 28 rigidly secured to platform body 1. EFFECT: enlarged operating capabilities. 2 cl, 4 dwg