To provide a current collector for a railway vehicle that simply adjusts dynamic lift acting on the current collector under a lateral wind environment while maintaining aerodynamic force characteristics and aerodynamic sound characteristics during linear traveling.SOLUTION: A current collector 4 provided on a railway vehicle has a dynamic lift adjusting portion 11 on a surface of a main frame 6. Therefore, when an air flow is generated toward the main frame 6, pressure becomes large under an upper frame 6b, and becomes small above the upper frame 6b, and thus the upper frame 6b is pushed up from the lower side to the upper side by the pressure difference. The push-up force weakens the downward pressing force of the upper frame 6b due to an air flow, so that dynamic lift acting during traveling can be adjusted.SELECTED DRAWING: Figure 6
【課題】直線走行時の空気力特性および空力音特性を維持しながら、横風環境下において集電装置に作用する揚力を簡易に調整する鉄道車両用集電装置を提供する。【解決手段】鉄道車両に備えられる集電装置4は、揚力調整部11を主枠6の表面に有する。このため、主枠6に向かって空気の流れが生じた時、上枠6bの下方では圧力が大きくなり、上枠6bの上方では圧力が小さくなるから、この圧力差によって上枠6bには下方から上方に押し上げられる。この押し上げ力は、空気の流れによる上枠6bの下向きの押圧力を弱めることとなるため、走行時に作用する揚力を調整できる。【選択図】図6
CURRENT COLLECTOR FOR RAILWAY VEHICLE
鉄道車両用集電装置
2021-01-07
Patent
Elektronische Ressource
Japanisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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