Assessment of the impact of wear and tear of rubber elements in tracked mechanism on the dynamic loads of high-speed tracked vehicles

• Autorzy: Rybak Piotr , Hryciów Zdzisław , Michałowski Bogusław , Wiśniewski Andrzej

Identyfikatory

DOI

10.2478/ama-2023-0010

• Języki publikacji: EN

Abstrakty

EN

The operation of high-speed tracked vehicles takes place in difficult terrain conditions. Hence, to obtain a high operational relia-bility, the design or modernisation process must be precise and should consider even the slightest details. The article presents issues re-lated to the problem of formulating vehicle models using partial models of flexible elements used in tracked mechanisms. Changes occur-ring in the shape and properties of elements such as track pads and roadwheel bandages as a consequence of operating conditions are presented. These changes are reflected in the presented elastic–damping characteristics of components of the crawler mechanism. Nu-merical studies have shown that deterioration of chassis suspension components after a significant mileage may increase dynamic loads (forces) acting on the running gear. Increased forces in the running gear naturally result in increased stresses in the road surface on which the vehicle is travelling, which can pose a danger (or excessive wear and tear) to road infrastructure components such as culverts, bridges and viaducts. In the literature, model tests of objects are carried out on models that represent new vehicles, and the characteristics of the adopted elements correspond to elements not affected by the process and operating conditions. Its influence should not be ignored in the design, testing and running of a special vehicle. The tracked mechanism, as running gear, is designed for special high-speed vehicles for off-road and off-road driving. Its design ensures high off-road traversability. The dynamic loads originating from off-road driving are super-imposed on those generated by the engine, drive train and interaction of the tracks with the roadwheels, sprocket, idler and supporting tracks return rollers.

Słowa kluczowe

EN

maintenance; tracked mechanism; rubber elements; road wheel; high-speed tracked vehicle; characteristics; modelling

• Wydawca: Oficyna Wydawnicza Politechniki Białostockiej
• Czasopismo: Acta Mechanica et Automatica
• Rocznik: 2023
• Tom: Vol. 17, no. 1
• Strony: 85--94
• Opis fizyczny: Bibliogr. 31 poz., rys., tab., wykr.

Twórcy

autor

Rybak Piotr

• Faculty of Mechanical Engineering, Military University of Technology, ul. gen. Sylwestra Kaliskiego 2, 00-908 Warszawa, Poland

• https://orcid.org/0000-0002-7063-9913

autor

Hryciów Zdzisław

• Faculty of Mechanical Engineering, Military University of Technology, ul. gen. Sylwestra Kaliskiego 2, 00-908 Warszawa, Poland

• https://orcid.org/0000-0002-6281-1883

autor

Michałowski Bogusław

• Faculty of Mechanical Engineering, Military University of Technology, ul. gen. Sylwestra Kaliskiego 2, 00-908 Warszawa, Poland

• https://orcid.org/0000-0002-5793-2744

autor

Wiśniewski Andrzej

• Faculty of Mechanical Engineering, Military University of Technology, ul. gen. Sylwestra Kaliskiego 2, 00-908 Warszawa, Poland

• https://orcid.org/0000-0002-2089-1942

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).