| 摘要 |
The invention relates to a paving screed (20) for a road paver, wherein the paving screed comprises at least one first screed segment (201) and one second screed segment (202) which are adjustable relative to one another, and further comprises an adjustment mechanism which is designed and configured for adjusting the screed segments relative to one another, wherein the adjustment mechanism comprises a length adjustable positioning unit (100), and wherein the length adjustable positioning unit comprises at least two axial elements (102, 103) and a positioning element (101), wherein each axial element is coupled at a first axial end to the positioning element and wherein each axial element is further coupled to a screed segment, wherein a first axial element (103) is connected to the positioning element (101) by means of a thread connection, wherein the thread connection extends along the gradient thereof in the longitudinal direction of the positioning unit and acts in the longitudinal direction of the positioning unit in such a way that, through a relative rotational movement of the positioning element and of the first axial elements, an axial relative movement of the positioning element and of the first axial element occurs, and wherein the positioning element is coupled to the second axial element (102) by means of an axially fixed bearing arrangement. |
