The invention relates to an alignment device (1), in particular an alignment carriage, for a pipe bending system (34) for adapting the course of a pipe (2) to be laid to a trench course with a displacement unit (4) by means of which the pipe (2) is used in the intended manner a section in the transverse direction (X) of the alignment device (1) is displaceable into an alignment position. According to the invention, the alignment device (1) comprises at least one motor-driven drive unit (6, 7), by means of which it can be moved along the trench course in the intended use, and / or that the displacement unit (4) comprises a holding unit (14), by means of which the pipe ( 2) in the transverse direction (X) from two opposite sides is stable in the alignment position. The invention further relates to a pipe bending system (34) and a method for adapting a pipe (2) to a trench course.
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