Gantry crane- The gantry crane is a crane which is used to lift and transport objects with ease. These cranes lift the objects by way of a hoist which is attached to a hoist trolley, which is fitted in such a way that the object can be moved horizontally on a pair of rails. These rails are attached under a beam which supports the weight of the crane and object. In this article the author explains in detail about what a gantry crane is exactly and how it works. You can also understand what its uses are.