This invention discloses a hollow hydraulic craneframe used for lane and face of coal mine.
本发明公开了一种适用于煤矿巷道和工作面使用的中空液压起重架。
2
The writer think out that the completely new way to settling the gnaw rail problem is correcting the deflexion of craneframe to the rails and keep the cartwheel runes along the rail central line .
本课题提出治理啃轨的新方案是纠正车架相对于轨道的偏斜，力图保证车轮沿着轨道的中心线行走。
3
In this stage, the lifting frame was fixed to a hook attached to a crane, and the hull was lifted completely clear of the seabed and transferred underwater into the lifting cradle.