These Bridge cranes are heavy-duty machine handling equipment that has high lifting capacities used to transport load. An operator directs them, manually or with a wired/wireless pendant station. Generally, bridge cranes are for multi-directional movements that help manufacture, load, unload, or store materials inside a factory or out in a yard, or a shipping port, at railways, and other application environments. There are various components and terminologies to know before one steps into the realm of bridge cranes. This buying guide is going to explain almost all there is to know about a bridge crane.
Bridge Crane Components
Overhead or bridge cranes consist of three main parts- the crane bridge, the runway, and the Hoist or trolley. The runway is a component that is tied to a building structure. The second component, the bridge crane, is the part that travels past the runway. The Hoist is a lifting mechanism that traverses around the crane and lifts things vertically. Besides these, there are other smaller components involved that going into bridge cranes. Components like wheel assembly, resistance box, main and auxiliary hoist gearbox, wire rope, and crab are involved in the bridge cranes.
Some basic terminologies
Some basic terminologies go into the bridge cranes. One needs to know about them as it can get a little complicated. Crane Capacity refers to the maximum weight that the bridge cranes can handle. Crane Span is the horizontal distance between the runway rails. Bridge Girder is the horizontal beam of crane bridges that are supported by the end trucks. They are meant to support the trolley. The Hoist is the primary lifting equipment, and the crane hook as the Hoist is mounted to the trolley.
Bridge Crane Configuration
The bridge cranes have two configurations- Top running bridge cranes and Under running bridge cranes. Top running bridge cranes refer to the cranes that have the bridge travel on the top rails, mounted on the railway supported by the building columns. Under running bridge cranes have the truck ends on the bottom flange of the runways that are generally suspended from the roof part and do not need extra floor columns to support the runway.
Categories Simillar to Bridge Cranes includes Gantry Cranes, Jib Cranes