轉向架






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轉向架的一種（台鐵莒光號客車）




採用「關節式轉向架」連接的「內布拉斯加微風號」




轉向架的作用圖解





武汉地铁11号线列车转向架。因为本线路供电制式为轨道供电，所以转向架还附带受流器。



轉向架（英文：Bogie），又称台车（来自日文），是铁道车辆上最重要的部件之一，它直接承载车体自重和载重，引导车辆沿铁路轨道运行，保证车辆顺利通过曲线，并具有减缓来自车辆运行时带来震动和冲击的作用，因此转向架的设计也直接决定了车辆的稳定性和车辆乘坐的舒适性。



簡述


每組轉向架多擁有2或3條車軸，並常安裝在列車車廂前後部。當列車經過彎道時，前後兩組轉向架會順著軌道之曲線轉動，使列車能靈活通過彎道。如果是電力/柴油電力鐵路機車或者是動力分散式車輛的動力車卡，轉向架的每條車軸則設有電動機。


法国TGV高速列車使用的轉向架，採用關節式轉向架，即每組轉向架置於兩節客車車廂之間。


三軸轉向架多出現於鐵路機車及貨車上，其好處是牽引力高及黏著力強，但這種設計會降低通過急彎的靈活性，且對輪對的磨耗也較高。為增加這類機車的靈活性，因此出現了「徑向轉向架」，即單一架子的前後車軸可以轉向。



外部連結





维基共享资源中相关的多媒体资源：轉向架
  • 轉向架 Bogie


  • （日文） Hobidas 台車近影

  • http://blair-train.blogspot.tw/2014/06/bogie-wheel-truck-or-truck.html




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