The paper details the setting principles of assembling nodes of the main beam of the overhead crane,calcu-lation methods,and manufacture and installation procedures. Furthermore,several problems to be concerned during design and installation are put forward according to engineering practice.%文中就桥式起重机主端梁拼装节点的设置原则、计算方法以及制造和安装步骤进行了详细的阐述。根据工程实际提出了设计和安装时需要重视的几个问题。
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