To provide a wheel for railway vehicle which can reduce the number of components while ensuring the effect of reducing rolling noise.SOLUTION: A wheel (10) for railway vehicle comprises a wheel body (1), and a dynamic vibration absorber (2). The wheel body (1) includes an annular plate part (11), and a rim part (13). The rim part (13) is connected to an outer peripheral edge of the plate part (11). An annular groove (133) along a circumferential direction of the wheel (10) is formed on an inner peripheral surface of the rim part (13). The dynamic vibration absorber (2) is located in the groove (133). The dynamic vibration absorber (2) includes: an annular first additional mass body (21); an annular first elastic body (22); an annular second additional mass body (23); and an annular second elastic body (24). The first elastic body (22) is located on an outer peripheral side of the first additional mass body (21). The second additional mass body (23) is located on an outer peripheral side of the first elastic body (22). The second elastic body (24) is located on an outer peripheral side of the second additional mass body (23).SELECTED DRAWING: Figure 3
【課題】転動音の低減効果を確保しつつ、部品構成数を減少させることができる鉄道車両用の車輪を提供する。【解決手段】鉄道車両用の車輪(10)は、車輪本体(1)と、動吸振器(2)とを備える。車輪本体(1)は、環状の板部(11)と、リム部(13)とを含む。リム部(13)は、板部(11)の外周縁に接続される。リム部(13)の内周面には、車輪(10)の円周方向に沿う環状の溝(133)が形成される。動吸振器(2)は、溝(133)内に配置される。動吸振器(2)は、環状の第1付加質量体(21)と、環状の第1弾性体(22)と、環状の第2付加質量体(23)と、環状の第2弾性体(24)とを含む。第1弾性体(22)は、第1付加質量体(21)の外周側に配置される。第2付加質量体(23)は、第1弾性体(22)の外周側に配置される。第2弾性体(24)は、第2付加質量体(23)の外周側に配置される。【選択図】図3
WHEEL FOR RAILWAY VEHICLE
鉄道車両用車輪
2022-04-11
Patent
Elektronische Ressource
Japanisch
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |
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