RAILWAY FREIGHT CAR

RAILWAY FREIGHT CAR

PROBLEM TO BE SOLVED: To provide a railway freight car that not only avoids electric erosion of an aluminum alloy underframe on which an iron rail is disposed but also promotes weight reduction and suppresses looseness caused by the difference of the coefficient of the linear thermal expansion of a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FURUKAWA HISAFUMI, SATO YORIMITSU, WATANABE MAKOTO, INABA TADASHI, MINATO TAKASHI, KAKINUMA HIROHIKO, ARAIDA TAKEHISA
Format: Patent
Sprache:eng
Schlagworte:
BODY DETAILS OR KINDS OF RAILWAY VEHICLES
PERFORMING OPERATIONS
PREVENTING DERAILING OF RAIL VEHICLES
RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES ORARRANGEMENTS OF WHEEL AXLES
RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH
RAILWAYS
TRANSPORTING
WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAILVEHICLES
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a railway freight car that not only avoids electric erosion of an aluminum alloy underframe on which an iron rail is disposed but also promotes weight reduction and suppresses looseness caused by the difference of the coefficient of the linear thermal expansion of a bolt for fixing the iron rail to the aluminum alloy underframe in the railway freight car in which the iron rail is disposed on an upper surface of the aluminum alloy underframe.SOLUTION: An iron rail 205 disposed on a floor surface of a railway freight car includes: a bottom 213; and a head 214 with which a wheel tread is in contact. Since the rail 205 through which a liner 216 is mounted is fixed to an aluminum alloy underframe 110 by a bolt 241 in the state that the rail 205 is not in direct contact with the aluminum alloy underframe 110, the erosion of the aluminum alloy underframe 110 is prevented. A plurality of the rails 205 are disposed in series along a longitudinal direction of the underframe 110 with a predetermined gap.