Dynamically active dipper door mechanism

Details Dynamically active dipper door mechanism Dynamically active dipper door mechanism

E - Fixed Constructions

02

F

E02F 3/407 (2006.01)

Patent

CA 2377863

A dipper door (16, 40) pivotally mounted to a dipper (10, 43) is controlled as it pivots between open and closed positions. In one embodiment, the door (16) is controlled by a brake (22) pivotally linking the door (40) to the dipper. In another embodiment, the door is pivotally mounted to the dipper by a pin (41), and the door is controlled by a linkage actuated by a linear actuator (50). The pivot point of the door is positioned above the dipper bottom to decrease the dump height of the dipper.

L'invention concerne une trappe de godet montée pivotante à un godet et commandée lorsqu'elle pivote entre une position ouverte et une position fermée. Dans un mode de réalisation, cette trappe est commandée par un frein qui la relie au godet de manière pivotante. Dans un autre mode de réalisation, ladite trappe est montée pivotante au godet à l'aide d'une tige et commandée par une articulation actionnée au moyen d'un actionneur linéaire. Le point de pivotement de la trappe se trouve au-dessus de la partie inférieure du godet, d'où une réduction de la hauteur de basculement dudit godet.

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