Control method and apparatus of a tree harvesting machine

Details Control method and apparatus of a tree harvesting machine Control method and apparatus of a tree harvesting machine

A - Human Necessities

01

G

A01G 23/08 (2006.01) A01G 23/083 (2006.01)

Patent

CA 2283813

In a control method of a tree harvesting machine, the tree harvesting machine comprises a tree-supporting part (1) with a feeding means (2) for feeding the tree in its longitudinal direction and a cross- cutting saw (5) for cutting the the at selected locations. The part (1) is supported by a boom assembly (6) or the like. At the moment of action of the cross-cutting saw (5), the tree-supporting part (1) is moved by means of the control automatics of the tree harvesting machine in such a way that the force caused by the weight of the tree, tending to bend the tree at the cutting point and thereby tending to cleave the tree, is compensated at least partly.

L'invention porte sur un procédé de commande d'une moissonneuse d'arbres qui comprend une partie (1) supportant les arbres pourvue d'un système d'alimentation (2) qui amène l'arbre dans son sens longitudinal, et une scie pour coupe transversale (5) qui découpe l'arbre à des endroits sélectionnés. La partie (1) est supportée par un ensemble (6) grue analogue. Ce procédé de commande se caractérise en ce que, au moment où la scie pour coupe transversale (5) se met en marche, la partie (1) supportant l'arbre est déplacée par le système de commande automatique de la moissonneuse de sorte que la force générée par le poids de l'arbre tendant à faire plier l'arbre au niveau du point de découpe, et par conséquent tendant à fendre l'arbre, est compensée au moins partiellement.

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