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What are the classifications of cranes?
Used in bridge construction Crane Machinery, depending on its structure and performance, is generally classified into four major categories: light and small lifting equipment, bridge-type cranes, jib cranes, and cable-type cranes. Light lifting equipment includes jacks, pneumatic hoists, electric hoists, balance lifts (also known as counterbalance lifts), winches, and the like. Bridge-type crane machinery includes girder cranes, among others. Jib-type cranes include stationary slewing cranes, tower cranes, truck-mounted cranes, tire-mounted cranes, and crawler cranes. Cable-type cranes include elevators, among others.
Based on the nature of lifting operations, cranes can be classified as mobile cranes, tower cranes, and mast cranes.
According to the drive method, there are two types: centralized drive, in which a single motor drives a long transmission shaft that in turn drives the wheels on both sides; and individual drive, in which each wheel on one side is driven by its own motor. Small- and medium-sized bridge-type cranes typically employ a “three-in-one” drive configuration comprising a brake, a reducer, and a motor. For ease of installation and adjustment, larger crane models often use universal couplings as the drive mechanism.
According to their structural configuration, cranes are primarily classified into light and small lifting equipment, bridge-type cranes (including overhead and gantry cranes), jib-type cranes (including self-propelled, tower, gantry, railway, floating, and mast cranes), and cable-type cranes.
Keywords:
Crane
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