Dragline including improved walking mechanism

Details Dragline including improved walking mechanism Dragline including improved walking mechanism

B - Operations, Transporting

66

C

B66C 23/36 (2006.01) B62D 57/00 (2006.01) E02F 3/54 (2006.01) E02F 9/04 (2006.01)

Patent

CA 2151196

A dragline comprising a main housing, a bucket hoist mechanism mounted on the housing, a bucket drag mechanism mounted on the main housing, a walking mechanism for moving the main housing over the ground, the walking mechanism including a motor mounted on the main housing, a planetary transmission which is mounted on the main housing and which is driven by the motor, a transmission output shaft driven by the transmission, a walk leg housing connected to the output shaft such that rotation of the output shaft causes walking movement of the walk leg housing, and a shoe fixed to the walk leg housing for engaging the ground during walking movement of the walk leg housing, a boom extending from the main housing, a bucket, a hoist rope extending between the bucket and the bucket hoist mechanism and over the sheave for causing vertical movement of the bucket, and a drag rope extending between the bucket and the bucket drag mechanism for causing horizontal movement of the bucket.

La présente invention a pour objet une pelle mécanique à benne traînante comportant une cabine sur le dessus de laquelle sont montés les mécanismes de levage et de halage du godet racleur, le moteur du mécanisme-marcheur assurant le déplacement de l'engin sur le sol, la boîte de vitesses à engrenages planétaires commandée par le moteur, un arbre de sortie de boîte de vitesses mû par la boîte de vitesses, un logement abritant la patte de locomotion en accouplement mécanique avec l'arbre de sortie de manière à ce que le mouvement de rotation de l'arbre de sortie soit transmis à la patte de locomotion, un sabot de locomotion fixé à la patte de locomotion et venant en contact avec le sol lors des déplacements de l'engin; une flèche est articulée à la partie inférieure de la cabine; un godet racleur, un câble de levage relie le godet racleur au mécanisme de levage du godet racleur, une poulie de renvoi sert à imprimer le mouvement vertical au godet, et un câble de halage reliant le godet racleur au mécanisme de traction du godet racleur sert à imprimer le mouvement horizontal au godet racleur.

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