Selection of parameters for the spring suspension of a three-axle freight car bogie with in-creased design speed
https://doi.org/10.46973/0201-727X_2026_1_90
Abstract
Three-element bogies used in freight cars of the existing fleet are designed for an operation speed of 120 km/h. Despite this, in operation the permissible speed of trains formed from freight cars with such bogies is significantly lower than the design speed and does not exceed 90 km/h. One of the reasons for this is the poor dynamic performance demonstrated during operation. Speeding up the delivery of bulk cargo required the development of a bogie as an integral part of a freight car with a design speed increased to 140 km/h. In this regard, theoretical studies were conducted on the selection of spring suspension parameters. To confirm the results of theoretical studies, full-scale tests of a railway platform with threeaxle bogies were conducted at the Belorechenskaya-Maikop high-speed test site. The results of the running tests confirm that the dynamic performance of the platform and the bogie meets the requirements of regulatory documents across the entire speed range, up to the design speed.
About the Authors
G. I. Gadzhimetov
Joint Stock Company “Scientific-Research and Design-Technology Institute of Rolling Stock” (JSC “VNIKTI”)
Russian Federation
Russian Federation
Gadzhimetov Gadzhimet Isamedinovich, Head of the Test Center
I. E. Ilyin
Joint Stock Company “Scientific-Research and Design-Technology Institute of Rolling Stock” (JSC “VNIKTI”)
Russian Federation
Russian Federation
Ilyin Ilya Evgenyevich, Head of the Laboratory of Rolling Stock Running Gear Dynamics
D. S. Kurdikov
Joint Stock Company “Scientific-Research and Design-Technology Institute of Rolling Stock” (JSC “VNIKTI”)
Russian Federation
Russian Federation
Kurdikov Dmitry Sergeyevich, Chief Specialist of the Dynamics Department
A. V. Trifonov
Joint Stock Company “Scientific-Research and Design-Technology Institute of Rolling Stock” (JSC “VNIKTI”)
Russian Federation
Russian Federation
Trifonov Aleksey Valeryevich, Candidate of Engineering Sciences, Deputy Head of Department
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Review
For citations:
Gadzhimetov G.I., Ilyin I.E., Kurdikov D.S., Trifonov A.V. Selection of parameters for the spring suspension of a three-axle freight car bogie with in-creased design speed. Vestnik Rostovskogo Gosudarstvennogo Universiteta Putej Soobshcheniya. 2026;(1):90-101. (In Russ.) https://doi.org/10.46973/0201-727X_2026_1_90
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