The gantry crane is a variant of the bridge crane. It can be used in outdoor cargo yards, bulk cargo and other construction sites for loading and unloading operations. The name of the gantry crane comes from the shape of its metal structure, which is shaped like a door.
The shipbuilding semi-portal crane has the characteristics of large lifting capacity, large span and large lifting height, and is specially used for large-scale hull section transportation, docking and overturning operations in the dock.
Gantry Crane Product IntroductionThe gantry crane is suitable for the occasions where there is no corbel support in the yard and the workshop. The form is divided into semi-gantry cranes and gantry cranes, and the maximum tonnage can reach 300 tons.
The original half gantry crane has some shortcomings that need to be improved, after the appropriate transformation of its various aspects, whether its performance or service life has been significantly improved than before, half gantry crane application scope has also expanded a lot.
First, according to the gantry frame structure1. Full gantry crane: the main beam has no overhang, and the trolley is carried out within the main span;2. Half-door crane: The height of the legs is different, which can be determined according to the civil construction requirements of the site.