Dragline bucket dump compensator

E - Fixed Constructions – 02 – F

Patent

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Details

E02F 3/48 (2006.01) E02F 3/58 (2006.01)

Patent

CA 2243866

A hoisting assembly for use with a dragline bucket that includes a compensator for generally stabilizing the attitude of the bucket. The compensator is operably coupled to the lift, hoist and dump lines. The connector for the lift line(s) defines a fulcrum about which the compensator turns during use. As the tension in the dump line increases relative to the tension of the hoist lines, the compensator turns about the fulcrum to lift the hoist lines and shift the sheave supporting the dump line forward. As the tension in the dump line decreases relative to the tension of the hoist lines, the compensator turns about the fulcrum in the opposite direction to lower the lift lines and shift the sheave supporting the dump line rearward.

La présente invention a pour objet un dispositif de levage pour utilisation avec une benne à traction; le dispositif en question comporte un compensateur assurant largement la stabilité d'orientation et la position de la benne. Le compensateur en question est mécaniquement relié aux câbles de levage, de traction et de renversement. Le connecteur assurant le raccordement au(x) câble(s) de levage définit un pivot sur lequel le compensateur pivote lorsqu'en fonctionnement. € mesure que la tension du câble de renversement augmente par rapport à la tension des câbles de levage, le compensateur pivote sur le pivot pour soulever les câbles de levage et déporter vers l'avant la poulie qui supporte le câble de renversement. € mesure que la tension du câble de renversement diminue par rapport à la tension des câbles de levage, le compensateur pivote dans la direction opposée sur le pivot pour abaisser les câbles de levage et déporter vers l'arrière la poulie qui supporte le câble de renversement.

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