| 摘要 |
Invented is a system for contact less recording of the profile of a rail of a turnout to determine its condition, wherein a light beam from a laser device is projected onto an area of the rail facing the opposite rail and the laser device is moved along the rail and the light reflected from said area of the rail is recorded by an imaging device, while the location of the point blade of the turnout as a reference point is detected on the basis of a substantial change in detected distance, and the signal from the imaging device is associated with said reference point, which system is mounted to a standard measuring train. |
