Patent ID: 8608411
Filing Date: 2013-12-17
Classification: E02D

Abstract:
1. A device for consolidating soils by mechanical mixing and injection of consolidating fluids, configured for being connected to one or more drilling rods and to carry out operations of drilling and mixing; the device comprising: a main external body; one or more blades pivotable with respect to said main external body, constrained by a plurality of pockets to a central structure internal to said main external body; means for flowing drilling fluids and mixing fluids, connected in a liquid-tight way to at least one termination; wherein a relative motion is generated between said central structure and said main external body as a function of the pressure of a liquid introduced into the means for flowing fluid, which brings about opening of said blades; wherein a plurality of cams is provided on a support of the internal structure, each of said cams engaging a respective pin fixed with respect to the corresponding blade to generate movement of said blades with respect to said main external body.