An introduction to the important classifications of beam cranes
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Beam cranes are classified into supported and suspended cranes based on their load-bearing mechanism； Based on the braking method, they are divided into manual and electric cranes ； Based on the structure of the bridge girder, cranes are divided into single-girder and double-girder cranes. Due to differences in load-bearing methods, braking systems, and the structure of the bridge girder, beam cranes vary in their applications as well. In this case, the bridge for a beam-type crane moves along the crane tracks on the crane beam, while the bridge for a suspension-beam type crane moves along the crane tracks suspended under the factory roof structure. In addition, manual beam cranes include three types: manual single-beam cranes, manual single-beam suspension cranes, and manual double-beam cranes ； Electric beam cranes also come in four types: electric single-beam cranes, motor hoist double-beam cranes, electric single-beam suspended cranes, and electric double-beam suspended cranes. As for the single and double-girder cranes composed of bridge girders, their main girders are generally made of I-beams, section steel, or steel plates. Among them, a single-girder bridge truss consists of a single main girder and end girders located on both sides of the span, while a double-girder bridge truss is composed of two main girders and end girders.
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