VEHICLE WHEEL CHASSIS TRANSFER DRIVE AXLE Russian patent published in 2013 - IPC B60K17/36 

FIELD: transport.

SUBSTANCE: invention relates to multi-axle vehicles with transfer drive axle. Transfer drive axle comprises housing 1 accommodating input shaft 2 running in rolling bearing 3. Shaft 2 has flange 4 for connection with drive line coupling said drive axle with transmission transfer box. Housing 1 accommodates cylindrical gearing consisting of drive gear 5 and driven gear 6. Drive gear 5 is arranged in housing 1 to run in rolling bearings 7, 8 and splined with input shaft 2. Driven gear 6 is fitted on wheel drive helical gearing shaft 9. Hub 11 of drive gear 5 accommodates output shaft 12 coupled with splined with said gear by spline joint and with input shaft 2 by threaded joint. Output shaft 12 has flange 15 for connection with rear drive axle driveline. Seal cup 16 arranged in cover 17 is fitted on drive gear 5 hub 11.

EFFECT: higher reliability of rear drive axle gearing.

1 dwg