The electric bridge crane looks like a metal bridge, it is a kind of mechanical equipment for loading, unloading and transporting materials in a fixed span, its bridge beam runs longitudinally along the rails laid on both sides of the elevated frame, the rails laid on the bridge run laterally to form a rectangular working range, so that the electric bridge crane can lift materials to use the space fully utilized.
The electric bridge cranes are widely used in indoor and outdoor workshops, warehouses, factories, docks and open storage yards, they can be divided into ordinary bridge cranes, simple girder cranes and metallurgy special bridge cranes according to the lifting weight, application and crane materials (steel or aluminum).
Ordinary bridge cranes generally consist of lifting trolley, bridge running mechanism, bridge metal structure and hooks, wire ropes, and slings.
The lifting trolley is composed of lifting mechanism, trolley running mechanism and small frame.
The hoisting mechanism includes electric motor, brake, reducer, reel, and pulley block. The electric motor drives the reel through the reducer to rotate the reel, and the wire rope is wound around the reel or lowered from the reel to lift and lower the weight.
The small frame is a frame for supporting and installing components such as a hoisting mechanism and a trolley running mechanism, and is usually the welded structure.
Single girder bridge crane
Double girder bridge crane
Double girder bridge crane
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