Patent ID: 8925310
Filing Date: 2015-01-06
Classification: B66C,B66F,E02F,E04G,F15B,F16F

Abstract:
1. A device to actively control the vibrations of an articulated arm consisting of a plurality of segments each comprising at least its own hydraulic actuator associated with a hydraulic drive circuit including first pumping means, an oil tank, a control unit which is driven by the operator with driving means, and a block valve, wherein at least one of said actuators is associated with a hydraulic control circuit of the vibrations, comprising at least a sensor able to detect the actual position and the variation of the position from a nominal position of one or more segments, an electronic command board to process the signals of the sensor/sensors and a second pumping means associated to its own oil tank, commanded by the electronic command board and cooperating with said block valve, said hydraulic control circuit being associated with the hydraulic drive circuit and configured to be activated by the electronic command board to pump oil in the related actuator when vibrations are detected by the electronic command board.