Excavator control apparatus for shovel type construction...

E - Fixed Constructions – 02 – F

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Details

E02F 3/43 (2006.01)

Patent

CA 2137631

An excavator control apparatus for shovel-type construction equipment includes an automatic digging control section, a digging load control device, and an operation command correcting device. The shovel-type construction equipment has a boom, an arm and a bucket that are successively and rotatably connected in an operation section. The boom, the arm and the bucket are each connected to at least one cylinder that extends and retracts according to the operation of a lever. The digging load control device permits an automatic digging routing to be executed by controlling the extension and retraction of the cylinder. The digging load control device transmits operation commands to the cylinder to maintain a digging load approximately equal to a set digging load during automatic digging. The operation commands transmitted to the cylinder by manual operation of the lever without canceling the automatic digging routine.

Dispositif de commande pour excavateur à pelle comprenant une commande de creusage automatique, un dispositif de commande de charge et un dispositif de correction de commande. L'excavateur à pelle comprend une flèche, un bras et un godet qui sont successivement raccordés de manière à tourner dans une section d'exploitation. La flèche, le bras et le godet sont chacun raccordés à au moins un vérin qui se prolonge et se rétracte selon le changement de position d'un levier. Le dispositif de commande de charge permet d'exécuter un programme de creusage automatique en contrôlant le prolongement et la rétraction du vérin. Le dispositif de commande de charge transmet les commandes de fonctionnement au vérin de façon à maintenir une charge de creusage approximativement égale à une charge déterminée pendant le creusage automatique. Les commandes de fonctionnement sont transmises au vérin au moyen du levier manuel sans annuler le programme de creusage automatique.

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