ADJUSTABLE ARCHIMEDE SCREW FOR TRANSPORTATION, VEHICLE USING IT AS GROUND ENGAGING ELEMENT AND PIPELINE USING IT AS TRANSPORTATION DEVICE

摘要

The invention is based on using of a archimede screw as an adjustable transportation member (1, 10) and comprising a barrel (2, 11) and a plurality of adjustable blades (6,16), wherein the blades can be transformed from the configuration in which they form a helical rib on the barrel surface to the configuration in which they are parallel to the barrel axis or retracted inside the barrel. Adjustable transportation member of the invention can be used in vehicles having a cross-country capacity and in pipeline transportation devices.