Effectiveness assessment of diesel locomotives operation with the use of mobile maintenance points

• Autorzy: Szkoda Maciej , Satora Magdalena , Konieczek Zbigniew

Identyfikatory

DOI

10.5604/01.3001.0014.2622

• Języki publikacji: EN

Abstrakty

EN

Based on the example of 6Dg type diesel locomotives, the paper presents a new maintenance strategy concerning periodical checks at the P1 maintenance level. Currently, such locomotives are sent off to service points every 102 hours of operation or every 14 days for a P1 level check. Studies demonstrate that the average distance to be covered by a locomotive to arrive at a service point is in excess of 60.0 km, and the quantity of fuel consumed is more than 88 litres. It is costly and time consuming to have locomotives out of service and considerable resources of the railway carrier are engaged which could be made use of in the transport process. The aim of the newly developed strategy of P1 checks is to eliminate the need for locomotives to exit their routes to reach rolling stock maintenance points. The control/diagnostic and maintenance activities specified in the Maintenance System Documentation will be performed by socalled mobile maintenance points. The development of the new strategy required: identification of the current condition of the maintenance system, development of the concept of a new strategy of P1 maintenance checks, conduct of studies and operational analyses for SM42 series locomotives, performance of a durability, reliability analysis, assessment of safety together with an analysis of the risks involved in the proposed changes. In order to review and assess the efficiency of the new strategy, an observed operation of selected locomotives was conducted together with a railway carrier. During the study, the maintenance activities and processes were monitored and the costs of P1 checks were recorded. The analysis of efficiency of the new strategy of performing P1 checks without the need for a locomotive to exit its route to reach a rolling stock maintenance point demonstrated that depending on the distance covered by the locomotive to reach a maintenance point, the unit costs of a P1 level check are lower by up to 67.1% compared with the currently applied method.

Słowa kluczowe

EN

railway vehicles; maintenance strategy; mobile maintenance points

PL

pojazdy kolejowe; konserwacja; mobilny punkt serwisowy

• Wydawca: Warsaw University of Technology, Faculty of Transport
• Czasopismo: Archives of Transport
• Rocznik: 2020
• Tom: Vol. 54, iss. 2
• Strony: 7--19
• Opis fizyczny: Bibliogr. 18 poz., fot., rys., tab.

Twórcy

autor

Szkoda Maciej

• Cracow University of Technology, Institute of Rail Vehicles, Cracow, Poland

autor

Satora Magdalena

• Cracow University of Technology, Institute of Rail Vehicles, Cracow, Poland

autor

Konieczek Zbigniew

• NEWAG S.A., Nowy Sącz, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020)