并在加强型车架上增加了外翻式加强鞍座连接板，双层鞍座连接板的采用，使其更具有超强的装载能力。
The evertible reinforced fifth-wheel pick-up plate is introduced on the reinforced frame. The adoption of two-layer fifth-wheel pick-up plate enables it carry more load.
同时横梁也采用了不同的结构形式，使标准型和豪华型车架具有较轻的自重，经济型车架具有更强的装载能力。
Meanwhile, the cross member also employs diversified structures which enable the standard and luxury model frame have less deadweight, whereas the economic frame model has more load-carrying capacity.
针对某125摩托车局部振动比较严重，采用有限元分析软件ANSYS，对该款车架进行了结构模态分析，得到车架固有频率和振型。
In view of the locally severe vibration of a 125 motorcycle, the paper makes a structure modal analysis with ANSYS to get the natural frequency and the vibration mode of the frame.
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