MATEC Web Conf.
Volume 235, 2018Horizons of Railway Transport 2018, 10th Year of International Scientific Conference
|Number of page(s)||6|
|Published online||21 November 2018|
Double tread wheel profile – proposal and justification of specific way how to pass along small radius track
1 Faculty of Mechanical Engineering, Department of Transport and Handling Machines, University of Žilina, Univerzitná 8215/1, 010 26 Žilina, Slovak Republic
2 Volodymyr Dahl East Ukrainian National University, Tscentralny av. 59a, 93400 Severodonetsk, Ukraine
* Corresponding author: firstname.lastname@example.org
In urban railway environments, in many respects, the problem of tramcars passing small radius arches appears to be topical. In this regard, the authors proposed that the wheelsets should be complemented on the outer side of the wheels with a second tread of a lower radius, intended exclusively for ride in arches of the track with a radius which the conventional wheelsets cannot even theoretically pass without creep. The complemented wheel tread enters into operation (or out of action) as a result of passing over a specially shaped rail located in the intersections before and behind the small radius arc. In this process, there is a change in the wheel-rail contact location - similar to what is commonly used when riding on a facing rail located in the immediate vicinity of the point frog. The paper deals with the comparison of these two cases based on a simulation analysis of vehicle ride in the calculation program.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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