Use the form gantry crane

1 ordinary gantry crane
bridge gantry crane
  bridge gantry crane,
This multi-use container crane type and truss structure, the most widely used. You can carry a variety of items and bulk materials into, from the weight of 100 tons, a span of 4 to 39 meters. Grab the ordinary with a gantry crane working level is higher. Common gantry crane mainly refers hook, grab, electromagnetic, hoist gantry crane, but also includes semi-gantry cranes.
2 hydropower station Gantry Crane
Mainly used to lifting and hoisting the gate, but also for the installation. Lifting capacity of 80 to 500 tons, span is small, 8 to 16 m; lifting lower rate of 1 to 5 m / min. This crane lifting, though not often, but once the work is very heavy use, it should be appropriate to increase the working level.
3 shipbuilding overhead gantry crane
Used to berth the hull assembly, standing with two lifting car: a machine with two main hook in the top flange of the rail bridge runs; another has a primary and a secondary hook hook in the bottom flange of the bridge orbit to flip and lifting large hull section. Weight is generally from 100 to 1500 tons; span of 185 meters; lifting speed of 2 to 15 m / min, and 0.1 to 0.5 m / min jog speed.
4 container gantry crane
For the container terminal. Trailer Bridge will quay container unloaded from the ship carrying the container gantry crane tracks
  Rail gantry crane
Transported to the yard or rear, by the container gantry crane stacking up or direct loading carried away, can speed up the container carrying the crane bridge or other turnover. Can be 3 to 4 layers stacked high, wide 6 rows of container yard, general use tire, but also useful rail type. Container gantry crane and container straddle compared to its span and height on both sides of the door frame are larger. To meet the transportation needs of ports, this crane working level is higher. Lifting speed of 8 to 10 m / min; span across the container needed to determine the number of rows, the maximum is 60 meters corresponding to 20 feet, 30 feet, 40 feet long container from the weight of approximately 20 tons, 25 tons and 30 tons.