Chain Block lifting mechanism

We often say that the Chain Block lifting height differ in the lifting mechanism, the lifting mechanism of what is, what the specific differences,
Wire rope electric hoist lifting mechanism comprises a lift hoist motor through the shaft coupling through the reducer hollow axle driving drum rotation, so that the wire rope around the drum driven by a rising or falling hook device.
Lifting height H=6m, with a jaw coupling is connected to the motor shaft and reducer input shaft. H ≥ 9m is added in the intermediate shaft and the rigid coupling. H ≥ 18m, with support to strengthen the intermediate shaft rigidity, guarantee the smooth rotation.
electric hoist with trolley structure: motor, gear box, drum, steel wire rope, hook
Motor drive gearbox the drum is rotated winding wire rope, hook up and down