Traction sheave arrangement

Elevators are operated with ropes arranged to grooves of a traction sheave. The traction sheave is connected to a motor and the traction sheave has friction high enough so that when the traction sheave rotates the elevator and counterweight move according to the rotation. The friction in traction sh...

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Bibliographische Detailangaben
1. Verfasser:	TENHUNEN, ASMO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ELEVATORS ENGINEERING ELEMENTS AND UNITS ESCALATORS OR MOVING WALKWAYS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAULING HEATING HOISTING LIFTING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	Elevators are operated with ropes arranged to grooves of a traction sheave. The traction sheave is connected to a motor and the traction sheave has friction high enough so that when the traction sheave rotates the elevator and counterweight move according to the rotation. The friction in traction sheave may be improved by using specific shapes in the rope contact surface in grooves of the traction sheave. The shape of the groove is divided into contact surface for increasing the friction, outer surface for minimizing the space requirement outside the contact surface and bottom of the groove.