Simulation of spring-friction set of freight car truck, taking into account track profile

Seidulla Abdullayev (), Natalya Tokmurzina-Kobernyak (), Galymzhan Ashirbayev (), Gabit Bakyt () and Aliya Izbairova ()

International Journal of Innovative Research and Scientific Studies, 2024, vol. 7, issue 2, 755-763

Abstract: The purpose of this article is the mathematical modeling of a spring-friction set of a freight car trolley depending on the profile of the railway track. The article uses the methodology of the results of the generalized model of power interaction of friction pairs "pressure beam-friction wedge" and "friction wedge-friction bar" of the spring-friction set of the cart 18-578 in the mechanical system "track-car-load," in a particular case cart from which such models of the e of the freight car 18-100 can be obtained. The manuscript contains a software study using a computer simulation of a freight wagon trolley, which complements the experimental studies. The mathematical (symbolic) method in the computer algebra system MathCAD (a type of computer-aided design system) is used to solve the equations of equilibrium of the supercharger beam as a real object. In the course of the experimental study, a computational mathematical model of the force action of friction pairs of spring-absorbing trolley apparatuses was developed, and the results of calculations of the reaction of the friction bar to the friction wedge were mathematically obtained. The optimal parameters were obtained analytically, and the indicators of the angles of inclination of the contact surfaces of the trolley of the freight car were justified.

Keywords: Cart of the freight car; Dynamic forces; Force distribution; Rolling stock; Spring friction kit; Track profile; Truck. (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:aac:ijirss:v:7:y:2024:i:2:p:755-763:id:2883

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