Gantry crane is mainly used for loading and unloading operations of outdoor freight yards, material yards and bulk cargoes. Its metal structure is like a door-shaped frame. which is equipped with two legs under the main beam. It can walk directly on the track. The two ends of the main beam can have overhanging cantilever beams, which can effectively increase the working range of the crane.
Gantry cranes can be divided into different groups according to different classification methods. The classification of gantry cranes is as follows:
1. By the structure: there are single girder gantry crane, double girder gantry crane, box type gantry crane, truss Gantry crane, semi gantry crane.
2. By the cantilever: there are single cantilever gantry crane, double cantilever, no cantilever gantry crane（Full gantry crane）
3. By the support way: there are rail mounted gantry crane, mobile gantry crane.
4. By the picking device: there are hook gantry crane, grab gantry crane, electromagnetic gantry cranes, etc.
5. By the working duty:there are light type single girder gantry crane, heavy type single girder gantry crane, light type double girder gantry crane, heavy type double girder gantry crane.
6. By tons: there are 10 ton gantry crane. 15 ton gantry crane. 20 ton gantry crane. 30 ton gantry crane. 45 ton gantry crane. 50 ton gantry crane. 80 ton gantry crane. 100 ton gantry crane,etc.
Also,there are small gantry cranes or indoor gantry crane,as known as Portable Gantry Crane,used for tasks such as lifting automobile engines out of vehicles.
Sinokocrane has very rich experience on designing container gantry cranes. Gantry crane trolley has the feature of rotating and the cabin are welded on the trolley which can move with the trolley. Container gantry cranes are mainly used in port container storage yards, railway transfer yards and large private container yards, which play a decisive role in container loading and unloading and stacking.
Sinokocranes as a leading crane manufacturer, we have been committed to providing different types and customization of high quality cranes for many years, so our products have been exported to many countries,such as Middle East, South America, North America, etc.
