Hoisting/pulling device

B - Operations – Transporting – 66 – D

Patent

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Details

B66D 3/12 (2006.01) B66D 3/14 (2006.01)

Patent

CA 2374010

In a hoisting/pulling device comprising a pinion gear 4, reduction gears 5a which are meshed with the pinion gear 4 and are rotatably mounted in a frame 1, and a load sheave which is interlocked with reduction gears 5b and is rotatably mounted in a frame, reduction gear bearings 8 are contiguously formed with a load sheave bearing 7 which is formed in the center of the frame 1. By making the distance between the axes of the reduction gears small and by forming the load gear and the load sheave integrally, it becomes possible to provide the hoisting/pulling device which can make the whole device compact and light-weighted and can reduce the number of parts and man-hours for machining.

L'invention concerne un dispositif de levage et de remorquage comprenant un pignon (4) d'engrenage, des roues démultiplicatrices (5a) s'engrenant avec le pignon (4) d'engrenage et soutenues pivotantes sur un cadre (1), et une poulie de soutien verrouillée réciproquement avec des roues démultiplicatrices (5b) et soutenue pivotante sur le cadre, caractérisé en ce que les paliers (8) des roues démultiplicatrices sont montés de manière continue avec un palier (7) de poulie de soutien monté au centre du cadre (1). La distance d'arbre à arbre des roues démultiplicatrices est réduite et un engrenage de soutien est formé en une seule pièce avec la poulie de soutien, ce qui permet de réduire la taille et le poids du dispositif dans son entier, ainsi que le nombre de pièces et d'heures-personnes requis pour l'usinage.

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