lifting weight

But when the lifting weight and span are reducing, even the metal structure is designed without the arch beam, the stiffness and strength also can completely meet the usage requirements of the equipment.

但是，当跨度和起重量减小时，即使将金属结构设计成不带拱架的形式，其性能也完全可以满足设备的使用要求。

Ergonomic Assessment of Manual Materials Handling and the Recommended Lifting Weight Limit

手工操作的工效学评价及提举重量限值的研究

Lifting method is for small and medium sized structures because of the limited lifting weight. Sliding method requires to be carried out on the sliding way and needs large traction. Application of moving with vehicles is very limited in domestic.

吊装方式重量有限，适用于中小型结构物，滑动移位需要牵引机构提供满足结构物滑行的较大牵引力，并且需要在滑道上进行，小车移位方式在国内应用还十分有限。

The mine hoist's lift cage sometimes produces sudden falling lifting weight.

从理论上分析了矿井提升机产生下坠现象的原因及危害.