Performance evaluation of bogie brake rigging in a freight car at various stages of brake blocks and wheels wear
https://doi.org/10.21780/2223-9731-2015-0-2-38-44
Abstract
This research aims to evaluate compliance of reference parameters in a bogie brake rigging with guideline values throughout the whole range of possible brake blocks and wheels wear values permissible for operation. The work includes a detailed analysis of the impact produced by reference parameters in a bogie brake rigging on the freight car braking system as a whole. Research results relate to a variety of positions taken by brake rigging components of a standard two-axle bogie presently employed with freight cars built in Russia. The research included a math modeling job employing coordinate methods when reference parameters were defined for a bogie brake rigging at various service life periods, various combinations of installation dimensions, and also for various wear degrees in bogie wheels and brake blocks. Research outputs are delivered as separate tables for each adjustment range limits predetermined by Regulations. It has been found that the contemporary design of brake rigging for a two-axle freight car bogie equipped with brake blocks of a maximum thickness does not guarantee their wear-out to reach the minimum admissible thickness without an extra manual adjustment during the service life. It has been reaffirmed that further researches will be needed in the field of development engineering related to the bogie brake rigging mechanism when employing brake blocks 65+5 mm in thickness.
About the Authors
S. V. Tuluzin
JSC Railway Research Institute (JSC VNIIZhT)
Russian Federation
Russian Federation
D. V. Gorskiy
JSC Railway Research Institute (JSC VNIIZhT)
Russian Federation
Russian Federation
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Review
For citations:
Tuluzin S.V., Gorskiy D.V. Performance evaluation of bogie brake rigging in a freight car at various stages of brake blocks and wheels wear. RUSSIAN RAILWAY SCIENCE JOURNAL. 2015;(2):38-44. (In Russ.) https://doi.org/10.21780/2223-9731-2015-0-2-38-44
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