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  2. Level luffing crane - Wikipedia

    en.wikipedia.org/wiki/Level_luffing_crane

    A level-luffing crane is a crane mechanism where the hook remains at the same level while luffing: moving the jib up and down, so as to move the hook inwards and outwards relative to the base. [ 1 ] Usually the description is only applied to those with a luffing jib that have some additional mechanism applied to keep the hook level when luffing.

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  4. Electric overhead traveling crane - Wikipedia

    en.wikipedia.org/wiki/Electric_overhead...

    A single girder EOT crane has one main girder, 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.

  5. Knuckle boom crane - Wikipedia

    en.wikipedia.org/wiki/Knuckle_boom_crane

    Knuckle boom crane arms are much lighter than boom truck cranes, and they are designed to allow for more payloads to be carried on the back of the truck that it is mounted on. The majority of them are mounted behind the cab and leave the entire bed of the truck empty.

  6. Crane (machine) - Wikipedia

    en.wikipedia.org/wiki/Crane_(machine)

    A gantry crane has a hoist in a fixed machinery house or on a trolley that runs horizontally along rails, usually fitted on a single beam (mono-girder) or two beams (twin-girder). The crane frame is supported on a gantry system with equalized beams and wheels that run on the gantry rail, usually perpendicular to the trolley travel direction.

  7. 'Largest floating crane' at Baltimore bridge site isn't the ...

    www.aol.com/largest-floating-crane-baltimore...

    The Port of Baltimore shared an image of the crane barge, Donjon's Chesapeake 1000, which ABC News reported was onsite Friday morning at the site of the Francis Scott Key Bridge. The span ...

  8. Overhead crane - Wikipedia

    en.wikipedia.org/wiki/Overhead_crane

    An overhead crane, featuring runways, bridge, and hoist in a traditional industrial environment. Overhead crane at the Skanska precast concrete factory in Hjärup, Sweden. Gantry-style overhead cranes of the Hainaut quarry in Soignies, Belgium. An overhead crane, commonly called a bridge crane, is a type of crane found in

  9. File:Crane machine slewing platform.svg - Wikipedia

    en.wikipedia.org/wiki/File:Crane_machine_slewing...

    Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.