E - Fixed Constructions – 01 – B
Patent
E - Fixed Constructions
01
B
E01B 35/00 (2006.01) E01B 27/16 (2006.01)
Patent
CA 2396911
For detecting the position of sleepers (5) in a track (7), a scanning device (13) with contact-free operation is provided in connection with an odometer (14) for registering a distance (s) travelled by a machine. The scanning device (13) is designed as a distance measuring device (16) for contact-free registration of vertical distance measurement values (d) between the machine and track. A control unit connected to the distance measuring device (16) is designed for continuously and sequentially subdividing the path-correlated measuring span in each case into a sleeper detection section X, comprising distance measurement values (d) differing only slightly from one another, and an adjacent ballast detection section Y associated with a ballast region situated between the sleepers (5). The ballast detection section Y comprises a sequence of abruptly fluctuating distance measurement values (d). By detecting the sleeper position, a tamping unit can be centered automatically.
Lichtberger Bernhard
Theurer Josef
Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.b.h.
Riches Mckenzie & Herbert Llp
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