What is the shipbuilding gantry crane?
Lifting capacity is generally 100 to 1500 tons; span of 185 meters; lifting speed of 2 to 15 m / min, there are 0.1 to 0.5 m / min fretting speed.
Track to run in order to flip and hoist large hull segments.
There are two lifting trolleys: one with two main hooks running on the orbit of the bridge; the other has a main hook and a vice hook,
