An automated portable rail repairing machine 10 for in situ repair of defects in rail track 16. The machine comprising a chassis 12 to which are connected wheels 14 and wherein connected to the chassis are a rail track excavation apparatus arranged to excavate material from a rail track, a rail track welding apparatus arranged to apply material to an excavated part of a rail track, and equipment for precise reprofiling the repaired area. The system may comprise one or more block heaters 20 for heating the rail. The system may comprise two block heaters which extend beyond the excavated section to form a thermal barrier on either side of the repaired section. The excavation apparatus may be a milling machine, such as a CNC milling machine. The machine may further comprise a clamping mechanism. The machine may further comprise a rail track profile measuring system. The machine may further comprise a temperature monitoring system. A method of operation of the machine is also disclosed.
A rail repair device and method
2022-10-12
Patent
Electronic Resource
English
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