Device to increase the depth of drilling of the ahoyers. (Machine-translation by Google Translate, not legally binding)

摘要

Device for increasing the drilling depth of the augers, characterized by being constituted by a head, inside which is housed a transmission of gears that moves a mandrel, in which coupled a mobile shaft integral with the auger, with the particularity that said shaft has a bracket to which they are fastened with up and down traction cables, which are driven by hydraulic cylinders to produce the drag of said movable shaft. (Machine-translation by Google Translate, not legally binding)