This paper describes general structure design and structure load test of girder type railway bridge erecting machine with single simple supported beam and overhead transversely travelling trolley.
本文介绍我国一种新型单梁简支空中横移梁式铁路架桥机的总体结构设计及其结构荷载试验。
Cracks occurred in the main weld joining the web and upper wing panel of an overhead crane girder of I-section, some of which have expanded to the structure material and even led to girder fracture.
桥式起重机采用工字形截面作为主梁，使用多年后该结构形式的主梁上翼缘板和腹板连接的主焊缝及母材多处产生裂纹，甚至发生主梁断裂事故。
The structure of high web is often adopted in the overhead launching gantrys main girder that are connected by the high-strength bolts.
造桥机主梁一般采用高腹板箱梁结构，主梁之间通过高强螺栓群相互连接。
Main girder and other components of overhead traveling crane are typical welded structures, the primary failure type of which is fatigue crack.
桥式起重机主梁等构件是典型的焊接结构，其主要失效形式是疲劳断裂。
In recent years some new profile steels are used for main girder of domestic made electric single girder overhead travelling crane.
近年来国内电动单梁起重机主梁采用一些新截面型式。
The services including: supplying electric single girder overhead cranes, and the supply as well as installation of foundation, column, H-beam , rail busbar and accessories.
服务项目包括：电动单梁桥式起重机的供货；配套地基、立柱、行车梁及轨道滑线附属件的供货及施工。
The services including: supplying electric single girder overhead cranes, and the supply as well as installation of foundation, column, H-beam , rail busbar and accessories.
服务项目包括：电动单梁桥式起重机的供货；配套地基、立柱、行车梁及轨道滑线附属件的供货及施工。
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