Beam crane is a kind of crane. It has the characteristics of hoisting machinery. It is a kind of machinery for cycle and intermittent movement. A work cycle includes fetching device from the extract to bring up the product, then move to the designated place down items, then reverse movement, the fetching device back in, for the next cycle.
The beam crane is also a crane consisting of a bridge and a lifting trolley. The bridge along the ground track for longitudinal movement, along the bridge for lateral movement. There are lifting, bridge walking, trolley walking and other three working institutions. Driven by human or electric power. It is used for transporting goods in workshop or workshop. For the factory, warehouses, materials and other occasions of lifting goods, prohibited in flammable, explosive, corrosive media environment used.