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1. 发明授权

US08683927B2 Railroad car wheel truck 有权
标题翻译：铁路车轮车
公开(公告)号：US08683927B2
公开(公告)日：2014-04-01
申请号：US13664405
申请日：2012-10-30
申请人： CSR Yangtze Co., LTD.
发明人： Mingdao Sun , Yong Xu , Baolei Wang , Yongjiang Li , Hui Luo , Wanlu Gong , Guangyi Xiao
IPC分类号： B61F3/00
CPC分类号： B61F5/142 , B61F5/02
摘要： A wheel truck for a railroad car, including: a front wheel pair assembly and a rear wheel pair assembly; two side frame assemblies, each side frame assembly including a square box and journal-box guides; two spring suspension devices; and a bolster assembly including two ends disposed on the two spring suspension devices, respectively. The bolster assembly includes a pilot hole in the center and two mounting holes on the two ends, the pilot hole is rotationally matched with a cylindrical upper center plate of a car body for transmitting vertical and horizontal forces from the car body, and the two mounting holes are disposed above the two spring suspension devices, respectively. Each mounting hole receives a lower side bearing, and the lower side bearing is matched with a corresponding upper side bearing disposed on each side of the car body for transmitting the vertical load from the car body.
摘要翻译：一种用于铁路车辆的轮车，包括：前轮对组件和后轮对组件; 两个侧框架组件，每个侧框架组件包括一个方形盒和一个预制导轨; 两个弹簧悬挂装置; 以及包括分别设置在两个弹簧悬挂装置上的两端的摇枕组件。枕垫组件包括中心的导向孔和两端的两个安装孔，导向孔与汽车主体的圆柱形上中心板旋转配合，用于从车身传递垂直和水平力，并且两个安装孔分别设置在两个弹簧悬挂装置的上方。每个安装孔容纳下侧轴承，并且下侧轴承与设置在车体的每一侧上的相应的上侧轴承匹配，用于从车体传递垂直载荷。

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