Device for surveying tracks
A device is proposed for measuring tracks, in particular for track laying machines, having two outer, one front and one rear, track-traveling measurement carriages ( 15, 21 ) and a middle track-traveling measurement carriage ( 22 ) arranged in between. To enable advantageous measurements, it is proposed that at least one position encoder ( 14, 20 ) pointing toward the middle measurement carriage ( 22 ) is associated with each of the outer measurement carriages ( 15,21 ), and at least two optical sensors ( 16, 17 ), in particular cameras, are arranged on the middle measurement carriage ( 22 ) on an optical axis ( 34 ) such that at least one optical sensor is oriented toward the rear measurement carriage ( 15 ) and at least one other optical sensor is oriented toward the front measurement carriage ( 21 ).
1. A device for measuring tracks for a track-laying machine having front and rear, track-traveling measurement carriages and a middle-track traveling measurement carriage arranged therebetween, said device comprising at least one position encoder pointing toward the middle measurement carriage and associated with each of the outer measurement carriages, and at least two optical sensors are arranged on the middle measurement carriage on an optical axis such that at least one optical sensor is oriented toward the rear measurement carriage and at least one other optical sensor is oriented toward the front measurement carriage.
2. The device according to claim 1 , wherein the optical sensors are digital cameras.
3. The device according to claim 1 , wherein the optical sensors are position-sensitive diode cameras.
4. The device according to claim 3 , wherein the optical sensors are optical position sensors.
5. The device according to claim 1 wherein the position encoder or encoders each comprise a position light.
6. The device according to claim 5 , wherein multiple position lights in a defined geometric arrangement are combined to form a lighting unit in each case.
7. The device according to claim 5 wherein the position lights have various light colors.
8. The device according to claim 7 wherein the light colors of the position lights are switchable.
9. The device according to claim 8 wherein the individual position lights of the position encoder or one of the position encoders are switchable and activatable independently of one another.
10. The device according to claim 1 wherein the position encoder or encoders are each a reflector that can each be irradiated by at least one light source.
11. The device according to claim 1 wherein the position encoders are light-emitting, and the light-emitting position encoders and the cameras are controlled such that the cameras alternately record images of light-emitting position encoders and images of the activated position encoders.
12. The device according to claim 1 wherein a transverse inclination meter is associated with at least one of the measurement carriages.
13. The device according to claim 1 wherein the position encoders are lighting units or reflectors, respectively.
14. The device according to claim 1 , wherein the optical sensors comprise cameras.