Mechanical tailgate

Details Mechanical tailgate Mechanical tailgate

B - Operations, Transporting

62

D

B62D 33/03 (2006.01)

Patent

CA 2661076

A mechanical tailgate (3) for a dump body (1) of an underground truck, the purpose of the mechanical tailgate is to increase the loading capacity of the dump body, which mechanical tailgate is pivotably arranged between an opened and a closed position, comprising a tailgate sheet (4) attached to two lifting arms (5), which are pivotably arranged to the dump body (1), the dump body (1) comprises also a controlled tailgate (2) arranged to be controlled between opened and closed position of the dump body, the opening and closing movement of the controlled tailgate (2) is effected in the form of a circular movement. In the closed position of the mechanical tailgate (3) and the controlled tailgate (2), the tailgate sheet (4) and the controlled tailgate (2) are arranged to be positioned overlapping each other in such a way that a lower edge of the tailgate sheet (4) is placed on the inside of an upper edge of the controlled tailgate (2) for locking the tailgate sheet (4) towards the controlled tailgate (2).

L'invention concerne un hayon mécanique (3) pour une benne basculante (1) d'un camion souterrain, l'objet du hayon mécanique étant d'augmenter la capacité de charge de la benne basculante, lequel hayon mécanique est disposé de manière à pouvoir pivoter entre une position ouverte et une position fermée, et comprenant une feuille de hayon (4) fixée à deux bras de levage (5) qui sont fixés de manière à pouvoir pivoter sur la benne basculante (1) ; la benne basculante (1) comprend également un hayon contrôlé (2) disposé de manière à être contrôlé entre la position ouverte et la position fermée de la benne basculante, le mouvement d'ouverture et de fermeture du hayon contrôlé (2) étant effectué sous la forme d'un mouvement circulaire. Dans la position fermée du hayon mécanique (3) et du hayon contrôlé (2), la feuille de hayon (4) et le hayon contrôlé (2) sont disposés de manière à se chevaucher l'un l'autre de manière à ce qu'un bord inférieur de la feuille de hayon (4) soit placée à l'intérieur du bord supérieur du hayon contrôlé (2) pour verrouiller la feuille de hayon (4) vers le hayon contrôlé (2).

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