The electric overhead cranes are the most frequently used cranes in the construction places and in industries.
Eot crane electrical drawing pdf.
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The two ends of crane sit on tall concrete pillars or metal supports its shape like bridges.
Double girder cranes are also highly suitable where the crane needs to be fitted with walkways cabs magnet cable reels or other special equipment.
Overhead crane also known as bridge crane eot crane is a crane equipment which is installed across the workshop warehouse and yard for material lifting.
Electric overhead traveling eot cranes come in various types.
1 0 scope of supply 1 1 scope of supply covers the design manufacture supply erection and commissioning of eot cranes as detailed below.
Double girder bridge cranes and c under running single girder bridge cranes.
1 single girder cranes the crane consists of a single bridge girder supported on two end trucks.
Very high the crane structure can be assembled at the floor the complete crane can be lifted.
Microsoft word 70598 ot 2bid author.
In case the crane is very heavy we may lift different portions of the crane in sequence as follows 1.
Hoisting trolley or crab.
2 0 reference standards codes the standards as laid down are applicable in the relevant parts to the individual components of the eot crane 1.
The crane manufacturers association of america cmaa is pretty much the.
There are various types of electric overhead travel cranes industrial cranes eot crane pdf with many being highly specialised but the great majority of installations into one of three categories.
Wheels fitted in position.
3177 class m5 ii is.
It has a trolley hoist mechanism that runs on the bottom flange of the bridge girder.
3 2 operation of cranes 5 2 1 operators qualification training 5 2 2 operating procedure 5 2 3 operating rules 6 2 4 hand signals for overhead cranes hoists 7 3 maintenance of wire ropes 8.
1 2 all the above cranes will be as per is.
End carriages complete with l t.
Specification for eot cranes page 3 of 33 iι.
807 and other relevant standards and this specification and complete with all.
The crane has to handle more than 15 ton or the span is more than 80 feet a double girder crane is a preferred option.