E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
E02F 3/48 (2006.01) E02F 3/60 (2006.01)
Patent
CA 2514727
The invention provides for the design of a dragline bucket of the type where there are separate front and rear hoist ropes attached to front mounting points (110, 111) and rear mounting points (109) respectively. The front and rear hoist ropes can be independently operated to vary the horizontal attitude of the bucket. The bucket design methodology seeks to equalize the loads in the front and rear hoist ropes during the major phases of the operating cycle such as digging, hoisting and dumping, and this is typically achieved by providing a bucket with comparatively shallow side walls (103, 104) compared with the overall length of the bucket and the positions at which the front and rear hoist ropes ultimately join onto the bucket. The bucket typically has a flat floor (102) and relatively shallow side walls which may in some embodiments taper downwardly from the rear section (106) to the front section (107).
L'invention concerne un godet de pelle rétro à benne traînante du type avec câbles de halage avant et arrière distincts fixés à des points d'ancrage avant (110, 111) et arrière (109), respectivement. Les câbles de halage avant et arrière peuvent être sollicités indépendamment de manière à faire varier l'attitude horizontale du godet. Cette conception vise à uniformiser les charges sur les câbles de halage avant et arrière pendant les principales phases du cycle de travail, soit creusement, halage et vidage, ce que l'on obtient en général au moyen d'un godet aux flancs (103, 104) relativement bas par rapport à la longueur du godet et aux positions de raccordement des câbles au godet. En général, le godet présente un fond plat (102) et des flancs relativement bas qui, dans certains modes de réalisation, vont en s'abaissant entre la partie arrière (106) et la partie avant (107).
Cmte Development Limited
Goudreau Gage Dubuc
LandOfFree
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