Patent ID: 7637038
Filing Date: 2009-12-29
Classification: E02D,E02F

Abstract:
1. Foundation construction device for making trenches in soil comprising a frame, at least one soil-removing tool arranged on the frame, and a control device for controlling the foundation construction device in a trench, wherein the control device has at least two control flaps for aligning the foundation construction device in the trench, which are supported pairwise opposite each other on the frame and are movable by means of at least two common adjusting cylinders, a lever mechanism and a distributing device, the distributing device variably distributing the force and/or the adjusting path of the at least two common adjusting cylinders to the control flaps disposed opposite each other, the lever mechanism comprises a knee-lever mechanism having two articulated levers, wherein one end of each articulated lever is linked to a corresponding one of the control flaps, and wherein the other end of each articulated lever is linked to a control member of the distributing device, the control member is connected to an actuating rod, on which the at least two adjusting cylinders engage in an offset manner to a center axis of the actuating rod, and the control member being arranged in an adjustable manner between the articulated levers and the at least two adjusting cylinders, such that the opposite control flaps can be extended to a different degree.