The points of hoisting design of semi-span gantry crane are analyzed. The construction schemes, methods and safety of T-shaped beam hoisting are introduced.
分析了半跨龙门吊的设计安装要点，着重介绍了T梁的吊装施工组织方案、施工方法及安全技术保证措施。
2
The main beam is the main hoist gantry crane force components, main beam directly affects the service life of machine.
主梁是葫芦门式起重机的主要受力部件，主梁的质量直接影响到整机的使用寿命。
3
Automatic gripping beam is a specialised banging device for gantry cranes used at hydropower stations.