Railway vehicle gear device of parallel cardan drive system

A low-cost railway vehicle gear device of parallel cardan drive system is provided in which the vibrations and noises can be reduced only by means of 2-D tooth surface modifications. In a railway vehicle gear device of parallel cardan drive system having a helical pinion (1) and a helical gear wheel...

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Bibliographische Detailangaben
Hauptverfasser:	Goto, Kenichi, Hayashi, Satoshi, Otsuka, Yoshihiko
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING LOCOMOTIVES MECHANICAL ENGINEERING MOTOR RAILCARS PERFORMING OPERATIONS RAILWAYS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A low-cost railway vehicle gear device of parallel cardan drive system is provided in which the vibrations and noises can be reduced only by means of 2-D tooth surface modifications. In a railway vehicle gear device of parallel cardan drive system having a helical pinion (1) and a helical gear wheel (2), a pinion and a gear wheel respectively having gear specifications of module of 4 to 8, pressure angle of 20 to 30°, and helix angle of 15 to 30°, crowning is performed on a gear surface in the flank line direction of the pinion. The tooth surface (11) has a shape of a sinusoidal curve with an apex (11a) being positioned in a central area of the face width direction of the pinion, the sinusoidal curve being expressed by a single sinusoidal function and extending over an entire width in the face width direction of the helical pinion.