A gantry crane is a type of overhead crane that's built on a gantry, a bridge-like structure that straddles an object or workspace. Gantry cranes can be used for heavy lifting in a variety of industries, including construction, manufacturing, and power generation. 

Features

• Legs: Gantry cranes have one or two legs that move on wheels, tracks, or rails. 
• Crossbeam: A crossbeam connects the legs, and the top crossbeam can have lifting mechanisms. 
• Lifting capacity: Gantry cranes can lift heavy loads, ranging from a few tons to several tens of tons. 
• Mobility: Gantry cranes can be mobile, moving around a facility on wheels or tracks. 
• Versatility: Gantry cranes can be used indoors or outdoors, and they can be used for a variety of tasks. 

Uses

• Construction

  Gantry cranes are often used in construction for precast or cement work. 

• Manufacturing

  Gantry cranes are used in manufacturing, especially in the aircraft, auto, and steel industries. 

• Warehouse operations

  Gantry cranes are used in warehouses for heavy lifting, such as moving heavy containers. 

• Maintenance

  Smaller gantry cranes can be used for light fabrication work or maintenance.