Analysis of the Modernised Railway Vehicle Component with Regard to Reliability and Operational Safety

• Autorzy: Młynarski Stanisław , Pilch Robert , Smolnik Maksymilian , Szybka Jan

Identyfikatory

DOI

10.12913/22998624/185438

• Języki publikacji: EN

Abstrakty

EN

This paper presents an analysis of the design of the bogie pivot of an electric multiple unit, which is cast in cast steel to replace the forged pivot used to date. The change in pivot manufacturing technology is justified for economic reasons, but may affect the reliability and operational safety of multiple units. The authors analysed to what extent the change in pivot manufacturing technology from forged to cast can affect the operational reliability of the upgraded structural component and what requirements should be met so that the introduced upgrade does not reduce the operational safety of the electric multiple unit. An important part of the analysis is the consideration of the effect of preventive replacements of the rubber element of the vibration damper on damage to the pivot and vibration damper system. The dependence of damage to the cooperating components of the pivot elements and vibration damper in the system is demonstrated. The lifespan of the rubber element of the damper is considerably less than that of the bogie pivot of the electric traction unit, and its damage increases the probability of damage to the cast steel pivot. This relationship is critical and, in order to ensure the required reliability of the traction unit, a strategy of preventive replacement of the rubber element of the damper was proposed and achieved in the simulation model developed. This issue is presented in this paper because it is fundamental to the safe operation of rail vehicles.

Słowa kluczowe

EN

rail vehicles; structural modernisation; reliability; operational safety

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2024
• Tom: Vol. 18, no 3
• Strony: 21--32
• Opis fizyczny: Bibliogr. 38 poz., fig., tab.

Twórcy

autor

Młynarski Stanisław

• Department of Rail Vehicles and Transport, Faculty of Mechanical Engineering, Cracow University of Technology, al. Jana Pawła II 37, 31-864 Kraków, Poland

• https://orcid.org/0000-0002-3374-7739

autor

Pilch Robert

• Faculty of Mechanical Engineering and Robotics, Department of Machine Design and Maintenance, AGH University of Krakow, al. A. Mickiewicza 30, 30-059 Kraków, Poland

• https://orcid.org/0000-0003-2342-5776

autor

Smolnik Maksymilian

• Faculty of Mechanical Engineering and Robotics, Department of Machine Design and Maintenance, AGH University of Krakow, al. A. Mickiewicza 30, 30-059 Kraków, Poland

• https://orcid.org/0000-0003-0753-5190

autor

Szybka Jan

• Department of Electronics, Telecommunications and Mechatronics, Polytechnic Faculty, University of Applied Sciences in Tarnow, ul. Mickiewicza 8, 33-100 Tarnów, Poland

• https://orcid.org/0000-0002-9413-678X

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).