POST-HEATING TREATMENT DEVICE

摘要

The post-heating treatment device for a welded rail pertaining to the present invention is provided with an induction heating coil. The induction heating coil is disposed on the side surface of a column part of the rail at a distance of 20 mm to 300 mm away from a weld center of the rail in the lengthwise direction of the rail. The post-heating treatment device pertaining to the present invention has a plurality of the induction heating coils. The induction heating coils may be disposed on both sides of the weld center. The post-heating treatment device pertaining to the present invention has a plurality of the induction heating coils. The axial direction of the induction heating coils is vertical with respect to the side surface of the rail. The plurality of the induction heating coils disposed at equidistant intervals from the weld center along the lengthwise direction of the rail may be disposed at a distance from each other and cover the entire periphery of the rail.