System for measuring torque applied to the drum shaft of a...

Details System for measuring torque applied to the drum shaft of a... System for measuring torque applied to the drum shaft of a...

B - Operations, Transporting

66

D

B66D 1/58 (2006.01) E21B 19/00 (2006.01) F16C 35/067 (2006.01)

Patent

CA 2372327

The invention provides a method and apparatus for measuring the torque (T) applied to the drum shaft (322) of a hoist (301). By measuring the torque (T) on the drum shaft (322), the force or tension (FL) on the fast line (305) can be accurately determined. If the force or tension (DL) on the dead line (306) is also measured, the forces (FL, DL) on the fast line (305) and dead line (306) can be used to determine the force (W) applied to the load (304).

L'invention concerne un procédé et un appareil de mesure du couple (T) appliqué à l'arbre du tambour (322) d'une machine d'extraction (301). En mesurant le couple de l'arbre sur le tambour (322), la force ou tension (FL) sur le brin actif (305) peut être déterminée avec précision. Si la force ou la tension (DL) sur le brin mort (306) est également mesurée, les forces (FL, DL) sur le brin actif (305) et le brin mort (306) peuvent être utilisées pour déterminer la force (W) appliquée à la charge (304).

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