Ensuring the safety of train traffic on turnouts transfers in especially busy areas

Abstract

This article discusses the topic of ensuring the safe passage of trains through turnouts on a particularly loaded section of the Trans-Siberian Railway by improving their maintenance. The movement of the rolling stock along the arrow is accompanied by the transition of the wheel from the frame rail to the wit, which in turn causes the appearance of additional interaction forces, as well as vertical wear of the entire repair kit. The rolling of the wheels from the guardrail to the core in the crosspiece is also accompanied by the appearance of additional interaction forces.
The main specific defects of the arrow include: a saddle in the zone of wheel rolling on a wit or on a frame rail in case of woolly movement; chipping of the sharpened part of the head of the wit; chipping of sagging on the working edge of the wit and the frame rail. Only specific defects occur in the cross, with the exception of the front part of the guardrails. Such defects include excessive wear or chipping of the metal, as well as its delaminating along the working edges in places of sagging.
Depending on the specialization of the track section and the speeds of trains, where the turnouts are located, the norms of permissible wear of the metal elements of the turnouts are differentiated.
The decision behind the speed limit on the turnout is up to the head of the track distance. If a turnout defect that threatens traffic safety is detected, this place is fenced at the time the problem is discovered, followed by the elimination of the cause that threatens traffic safety (repair or replacement of turnout elements). As a rule, elements that threaten traffic safety have the following faults: cracks, gouges, kinks, which are considered acutely defective. In this regard, at the site of the West Siberian Directorate of Infrastructure, preventive removal of metal alloys on the crosses by grinding is carried out. Organized staff training.