Gantry crane is a widely used structure in industry which is also known as (Gantry crane). If you look at this car from a distance; It is shaped exactly like a gate on two pillars. Due to this structure, gate cranes can be used both indoors and outdoors, if needed. This type of crane is used in two types of gate and semi-gate. Gate cranes, like overhead models, are usually built in single-bridge, double-bridge and console types, without consoles, and are used outdoors. The bridges of this crane are placed on the base and the box of the wheels on both sides and the longitudinal movement of these cranes is done on the rails located on the ground. These cranes are commonly used in loading centers, containers, industrial and manufacturing centers.