Control for the scoop flap of a construction machine

E - Fixed Constructions – 02 – F

Patent

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Details

E02F 3/43 (2006.01) E02F 9/22 (2006.01)

Patent

CA 2233878

The proposal is for a control for the scoop flap (1) of a construction machine, especially an excavator, with at least one distributing regulator (9) acting with at least one hydraulic cylinder (4) to which hydraulic control pressure can be applied via at least one electrically actuated valve of at least one control device. When an actuating component (17) is triggered, the control device acting electrically therewith, the valve (10, 11) and via it the distributing regulator (9) and the hydraulic cylinder (4) are actuated according to a predeterminably timed current ramp (22).

L'invention concerne une commande destinée au volet (1) d'une pelle d'un engin de travaux, notamment d'un excavateur, équipée d'au moins un tiroir de distribution (9) fonctionnant conjointement avec au moins un vérin hydraulique (4) lequel est alimenté en pression motrice hydraulique par au moins une soupape (10, 11) à commande électrique d'au moins un système de commande. Lors du déclenchement d'un organe de commande (17), le dispositif de commande coopérant électriquement avec ledit organe commande, la soupape (10, 11) et, par l'intermédiaire de cette dernière, le tiroir de distribution (9) et le vérin hydraulique (4) sont actionnés selon une rampe de courant (22) à durée prédéterminée.

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