EP 0051338 B1 19840808 - METHOD AND MEANS FOR MEASURING THE POSITION OF A RAILWAY RAIL
Title (en)
METHOD AND MEANS FOR MEASURING THE POSITION OF A RAILWAY RAIL
Publication
Application
Priority
CH 819980 A 19801104
Abstract (en)
[origin: EP0051338A1] 1. A method of measuring the position of a railway track for checking, correction and/or recording purposes, by using a measuring vehicle travelling on the rails and a measuring base that is determined by rail reference points (A, C, D) and is defining the theoretical course of the rails, whereby the position of at least one measuring point (B) on the rail is determined relative to said measuring base, characterized in that use is made of a reference line (s) independent of any points (A, B, C, D) situated on the rails (2, 3) and extending at least approximately in the longitudinal direction of the rails, said reference line (s) being secured to at least one fixed point (A') of the vehicle (1) and defining a reference system independent of said measuring base and said measuring point (B), the co-ordinates of said rail reference points (A, C, D) and said measuring point (B) relative to said reference system are measured, whereafter on the one hand the measuring base resulting from the co-ordinates of said rail reference points (A, C, D) and on the other hand using the co-ordinates of the measuring points (B) the deviation of these measuring points (B) from said measuring base are calculated.
IPC 1-7
IPC 8 full level
E01B 35/00 (2006.01)
CPC (source: EP)
E01B 35/00 (2013.01); E01B 2203/16 (2013.01)
Designated contracting state (EPC)
AT DE FR GB
DOCDB simple family (publication)
EP 0051338 A1 19820512; EP 0051338 B1 19840808; AT E8917 T1 19840815; CH 657881 A5 19860930; DE 3165434 D1 19840913
DOCDB simple family (application)
EP 81201203 A 19811029; AT 81201203 T 19811029; CH 819980 A 19801104; DE 3165434 T 19811029