The model contains nose rail , wing rail , locking hooks and all relative components . the crossties are simplified as elastic foundations . thus , the model reveals the real working state of the locking hooks 论文中采用的计算模型包括心轨、翼轨、锁闭钩等几乎所有的相关部件，没有建模的枕木及地基也做了相应的简化处理，并引入到了边界条件中，比较真实地反映了锁闭钩的真实受力状态。
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