ES425614A1 - Bulldozer. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Excavator machine, which being of special application for making wells of square configuration, and of the type incorporated in transport vehicles, essentially is characterized by being constituted by a frame or metal structure in which a point or area of lower articulation for its connection to the chassis of the transport vehicle, and, likewise, provided with means such as hydraulic cylinders, to adopt a relative position with respect to the terrain according to the degree of inclination thereof; having provided in an external zone of the upper part of said frame or metallic structure the elastic adaptation, and, in vertical arrangement, of a system of telescopic arms where in the lower extremity the strong retention of a bivalve spoon activated also by cylinders is executed hydraulic; with the particularity that the same conduits that channel the fluid to the actuating cylinders of the valves of said spoon, command or govern a plurality of small vibrating hammers acting as teeth of said spoon; further characterized, because the sliding arm of the two that make up the aforementioned telescopic system of the machine, can optionally be immobilized by applying two pieces on its external lateral surface; which pieces, governed at least one by a pressure cylinder, are articulated to as many metal plates destined to constitute the embouchure of the excavation that is intended to be made. (Machine-translation by Google Translate, not legally binding)