The contact zone width of crane wheel with track is analyzed by plane stress elastic theory.
采用平面应力弹性理论，对吊车车轮与轨道的接触区尺寸进行理论分析。
The invention discloses a method for connecting a circular track with a bearing-rail beam of a polar crane, relating to a polar crane for a nuclear power station.
环行起重机的环形轨道和承轨梁的连接方法，涉及核电站用环行起重机。
The paper introduces that one refitted track-type welding automobile, with its comprehensive function such as power supply, simple crane and winding, solves problems in construction.
叙述了经改装、配备的履带式焊接车，其具备供电、简易吊装、卷扬等多种功能，从而解决了一系列施工问题。
The error of the frame and the trail which make the crane not in parallel with the rail track is the cause of off-tracking.
在实际治理啃轨现象的工作中，一般是以提高车架和车轮的安装精度，校正和消除起重机和轨道的缺陷为主要方法。
The error of the frame and the trail which make the crane not in parallel with the rail track is the cause of off-tracking.
在实际治理啃轨现象的工作中，一般是以提高车架和车轮的安装精度，校正和消除起重机和轨道的缺陷为主要方法。
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