PROBLEM TO BE SOLVED: To improve ride comfort of a railroad vehicle when an air spring supporting a vehicle body of the railroad vehicle is punctured.SOLUTION: A solenoid valve 42 is equipped, which switches a supply destination of air of an air reservoir 45 between an upper air spring 30A and a lower air spring 30B. Therefore, when the upper air spring 30A or the lower air spring 30B in an expansion state is punctured, air can be supplied to the upper air spring 30A or the lower air spring 30B in a contraction state. In that case, the upper air spring 30A and the lower air spring 30B are formed in the same configuration, each spring coefficient becomes generally the same, and ride comfort of a railroad vehicle 1 after the puncture of the upper air spring 30A or the lower air spring 30B can be maintained generally as the same as that before the puncture. Therefore, as compared with a conventional air spring, the ride comfort of the railroad vehicle 1 after the puncture can be improved.SELECTED DRAWING: Figure 2
【課題】鉄道車両の車体を支持する空気ばねがパンクした場合の鉄道車両の乗り心地を向上させること。【解決手段】空気だめ45の空気の供給先を上空気ばね30A又は下空気ばね30Bに切り替える電磁弁42を備えるので、膨張状態の上空気ばね30A又は下空気ばね30Bがパンクした場合に、収縮状態の上空気ばね30A又は下空気ばね30Bに空気を供給することができる。この場合、上空気ばね30A及び下空気ばね30Bが同じ構成で形成されるので、各個のばね定数が略同一となり、上空気ばね30A又は下空気ばね30Bのパンク後の鉄道車両1の乗り心地をパンク前と略同一に維持することができる。よって、従来の空気ばねに比べ、パンク後の鉄道車両1の乗り心地を向上させることができる。【選択図】図2
RAILROAD VEHICLE
鉄道車両
2017-05-18
Patent
Electronic Resource
Japanese
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