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1. 发明申请

US20120318165A1 CENTRAL SUSPENSION DEVICE, WAGON BOGIE AND EXPRESS RAILWAY WAGON 有权
标题翻译：中央悬挂装置，WAGON BOGIE和EXPRESS RAILWAY WAGON
公开(公告)号：US20120318165A1
公开(公告)日：2012-12-20
申请号：US13597209
申请日：2012-08-28
申请人： SHIFENG XU , WENDONG SHAO , HAIBIN HU , YUEBIN YU , LIDONG LI , KEWEI LV , SHUMING XING , DERONG ZHANG , XINQIANG LIU
发明人： SHIFENG XU , WENDONG SHAO , HAIBIN HU , YUEBIN YU , LIDONG LI , KEWEI LV , SHUMING XING , DERONG ZHANG , XINQIANG LIU
IPC分类号： B61F5/50
CPC分类号： B61F3/02 , B61F5/04 , B61F5/52
摘要： A central suspension device, a wagon bogie and an express railway wagon, wherein the central suspension device is arranged between a frame and a bolster of the wagon bogie and comprises a rubber-metal pad spring group composed of at least two rubber-metal pad springs, a bottom end of each rubber-metal pad spring is connected with the frame, a top end of at least one rubber-metal pad spring of the rubber-metal pad spring group is connected with the bolster, and a gap exists between the top end of at least one rubber-metal pad spring and the bolster. The central suspension device has multiple stages of rigidities in the transverse and vertical directions, so that the different rigidities can be mutually shifted conveniently on the empty vehicle condition and the heavy-load condition of the vehicle, therefore, the central suspension device is applicable to express railway vehicles for safe and stable running.
摘要翻译：中央悬挂装置，货车转向架和快速铁路货车，其中中央悬挂装置布置在货车转向架的框架和支架之间，并包括由至少两个橡胶 - 金属垫弹簧组成的橡胶 - 金属垫弹簧组每个橡胶 - 金属垫弹簧的底端与框架连接，橡胶 - 金属垫弹簧组的至少一个橡胶 - 金属垫弹簧的顶端与垫片连接，顶部之间存在间隙至少一个橡胶 - 金属垫弹簧和枕垫的端部。中央悬挂装置在横向和垂直方向上具有多个刚度的刚度，使得在空车辆状态和车辆的重载状态下，不同刚性可以方便地相互移位，因此，中央悬架装置适用于快速铁路车辆安全稳定运行。

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