FIELD: measuring equipment.
SUBSTANCE: invention relates to inspection of surface profiles of three-dimensional extended objects and can be used in on-line inspection of railway rails. Device for controlling the profile of extended objects comprises a laser source of illumination of a transparency for forming a pattern on a control object in the form of a set of bands, a lens, receiver, made in the form of a linear camera, and a unit for processing the obtained data. Optical wedge is installed in front of the lens with possibility of rotation around the sighting axis. Image space of the camera is arranged so that the entire set of bands falls into the field of view.
EFFECT: achieving high speed of relative movement of the controlled object and the device for controlling the profile of the surface of extended objects.
3 cl, 4 dwg
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