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Variable Speed Electric Overhead Crane

Variable Speed Electric Overhead Crane

      Variable Speed Electric Overhead Crane is composed of I-section steel or combination section of steel type and steel plate. Lifting trolleys are often assembled with chain hoists, electric hoists or hoists as parts of lifting mechanisms.


       Variable Speed Electric Overhead Crane is widely used in workshops, warehouses and stockyards of machinery manufacturing workshops, metallurgical workshops, petroleum, petrochemical, ports, railways, civil aviation, power stations, paper-making, building materials, and electronics industries. Variable Speed Electric Overhead Crane has the advantages of compact dimensions, low building clearance, light weight, and low wheel pressure.



1. Main beam - The main traveling structure of the electric overhead crane which spans the width of the bay and travels in a direction parallel to the runway. The bridge consists of two end trucks and one or two bridge girders depending on the equipment type. The bridge also supports the trolley and hoisting mechanism for up and down lifting of load.
2. End trucks - Located on either side of the bridge, the end trucks house the wheels on which the entire crane travels. It is an assembly consisting of structural members, wheels, bearings, axles, etc., which supports the bridge girder(s) or the trolley cross member(s).
3. Bridge Girder(s) - The principal horizontal beam of the crane bridge which supports the trolley and is supported by the end trucks.
4. Runway - The rails, beams, brackets and framework on which the crane operates.
5. Runway Rail - The rail supported by the runway beams on which the crane travels.





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