Tensioning device for a scroll compressor

A tensioning device for a scroll compressor with at least one frame, with a continuous opening running in a circle around a central axis, surrounded by an inner wall of the frame with at least one tensioning sleeve arranged in the opening of the frame with a stop section surrounding the central axis that lies flat against the inner wall of the frame with an outer surface that corresponds to the inner wall of the frame, and that comprises a tensioning section revolving around the central axis, which has a continuous recess running in a circle around the central axis that is surrounded by an inner surface of the tensioning sleeve on which a workpiece is arranged to lie flat, and with at least one tensioning unit that comprises at least one tensioning means that is arranged between the tensioning sleeve and the frame and through which a force, distributed evenly along the perimeter direction or the central axis and acting on the tensioning section in the direction of the central axis to be increased, wherein the tensioning section of the tensioning sleeve is configured to, by the force acting on the tensioning section from a basic position where the interior diameter of the recess is at a maximum, be transferred to at least one tensioning position in which the interior diameter of the recess is reduced in relation to the base position.