Belt rail head scraping machine and self-propelled rail head revision machine

摘要

PROBLEM TO BE SOLVED: To provide: a belt-type rail head re-profiling machine capable of efficiently performing rail head re-profiling work with one rail head re-profiling machine by using a grinding belt rotating in a longitudinal direction of a rail; and a self-traveling rail head re-profiling device.SOLUTION: A re-profiling machine is provided with a pair of grinding belt rotating pulleys 24c1, 24c2 arranged with a predetermined interval therebetween and a grinding belt 24d is stretched across the pulleys. The grinding belt 24d is provided with, in the inside thereof: a pressing roller 24f having a rail head shape pressing surface whose shape is substantially matched with a cross-sectional shape of a head part of a rail R; and a pressing plate 24e having a flat-plate pressing surface having a flat-plate shape and a predetermined length in a longitudinal direction of the rail R. The pressing roller 24f and the pressing plate 24e are relatively lifted and lowered to cause the grinding belt 24d to be pressed against the head part of the rail R with the flat-plate pressing surface of the pressing plate 24e or the rail head shape pressing surface of the pressing roller 24f, and thereby the grinding is performed.SELECTED DRAWING: Figure 4