1. Advantage of Hydraulics
How does a hydraulic crane compare with a mechanical crane that has the same output?
Small and Light |
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| Hydraulic equipment such as hydraulic pumps, cylinders, motors, etc., are able to provide a huge amount of power from a very small machine by using high hydraulic pressure. |
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| For example, the boom elevation cylinder of a 50 ton capacity hydraulic crane has an inner diameter of only 21 cm, but at a high pressure of 240 kg/cm2, it has about 80 tons of output. If we put two cylinders together, it can output a huge 160 tons of power to lift the boom. |
Easily Remote Controlled |
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| Because mechanical cranes use a lever, rod, link and chain for the control system, the controls must be placed close to the mechanism. For hydraulic cranes, it is only necessary to connect the control valves to the mechanism using pipes, so the controls can be placed far away. |
Easiy to Change Speed Steplessly |
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| Because mechanical cranes use a lever, rod, link and chain for the control system, the controls must be placed close to the mechanism. For hydraulic cranes, it is only necessary to connect the control valves to the mechanism using pipes, so the controls can be placed far away. |
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