Electric overhead traveling cranes or EOT cranes are a common type of

overhead crane An overhead crane, commonly called a bridge crane, is a type of crane found in industrial environments. An overhead crane consists of two parallel rails seated on longitudinal I-beams attached to opposite steel columns by means of brackets. ...

, also called

bridge cranes An overhead crane, commonly called a bridge crane, is a type of Crane (machine), crane found in industrial environments. An overhead crane consists of two parallel Rail profile, rails seated on longitudinal I-beams attached to opposite steel ...

. They consist of parallel runways, much akin to rails of a railroad, with a traveling bridge spanning the gap. EOT cranes are specifically powered by electricity.

Applications

EOT cranes are extensively used in warehouses and industry. An EOT crane is able to carry heavy objects to anywhere needed on the factory floor, and can also be used for lifting. However, it cannot be used in every industry. The working temperature is to limited to a range between -20°C to 40°C. File:Woman driving 20 ton O.E.T. crane (15402565322).jpg, A woman operating a 20-ton EOT crane, 1914 File:Submarí Ictineu 3 col·locat sota un pont grua.JPG, An EOT overhead crane is used to move and build this

submersible A submersible is an underwater vehicle which needs to be transported and supported by a larger ship, watercraft or dock, platform. This distinguishes submersibles from submarines, which are self-supporting and capable of prolonged independent ope ...

, the

Ictineu 3 ''Ictineu 3'' is a crewed submersible capable of reaching depths of 1,200 m (3,900 ft), which makes it the ninth deepest submersible, owned by Ictineu submarins SL. Commissioned in 2013, the submersible can carry one pilot and two passe ...

, in a

warehouse A warehouse is a building for storing goods. Warehouses are used by manufacturers, importers, exporters, wholesalers, transport businesses, customs, etc. They are usually large plain buildings in industrial parks on the rural–urban fringe, out ...

Sant Feliu de Llobregat Sant Feliu de Llobregat () is an industrial city and municipality in Catalonia, Spain, in the province of Barcelona (province), Barcelona. It is the capital of the Comarques of Catalonia, comarca of Baix Llobregat, and the see of a Roman Catholic ...

Single girder EOT crane

A single girder EOT crane has one main

girder A girder () is a Beam (structure), beam used in construction. It is the main horizontal support of a structure which supports smaller beams. Girders often have an I-beam cross section composed of two load-bearing ''flanges'' separated by a sta ...

, making it easy to install, and requires less maintenance. The most common single girder EOT cranes are as follows: * LD type single girder EOT crane * LDP type single girder EOT crane and * HD type single girder EOT crane It is used for lighter industrial applications as it has lower weight limits.

Double girder EOT crane

* QD type hook double bridge crane * LH electric hoist double girder bridge crane * NLH type double girder EOT crane

References

{{reflist Cranes (machines)