overhead crane girder 桥式吊车梁
Single girder overhead crane 单主梁桥式起重机 ; 单梁桥式起重机 ; 单梁起重机
Overhead crane with simple girder [机] 梁式起重机
overhead d crane girder 桥式吊车梁
Double girder overhead crane [机] 双梁桥式起重机
overhead traveling crane's girder 行车梁
10T Singer girder overhead crane 吨天车
manual single-girder overhead crane 手动单梁桥式起重机
two-girder overhead travelling crane 双梁式架空移动起重机
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。
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