FINAL DRIVE ASSEMBLY WITH DIFFERENTIAL LOCK

The invention relates to a final drive assembly for a vehicle that comprises , in a driven housing (22), a first and a second differential (18, 19). Said differentials (18, 19) are spur planetary gear units with parallel axles the sun wheels (32, 43) of which are functionally linked with the respect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	PECNIK, HERMANN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a final drive assembly for a vehicle that comprises , in a driven housing (22), a first and a second differential (18, 19). Said differentials (18, 19) are spur planetary gear units with parallel axles the sun wheels (32, 43) of which are functionally linked with the respective hal f- shafts (8, 9) of the first driven axle. The planet wheels (36, 38) of the tw o differentials (18, 19) intermesh with the ring gear (35) they have in common . In order to lock both the axle differential (18) and the interaxle differential (19) with minimum complication, the housing (22) is provided wi th a machined inner surface (50) that encloses the ring gear (35) with little play. The ring gear, in the radial direction, is so thin that it is deformed by the radial component of the forces exerted by the teeth of the planet wheels (31, 36) in a loboid manner, thereby forcing its outer peripheral surface (60), at least locally by friction, against the inner surface (50) o f the housing (22), thereby producing a braking torque on the ring gear.