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  2. 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

  3. Gantry crane - Wikipedia

    en.wikipedia.org/wiki/Gantry_crane

    A gantry crane is a crane built atop a gantry, which is a structure used to straddle an object or workspace. They can range from enormous "full" gantry cranes, capable of lifting some of the heaviest loads in the world, to small shop cranes, used for tasks such as lifting automobile engines out of vehicles.

  4. Taisun - Wikipedia

    en.wikipedia.org/wiki/Taisun

    Taisun (Chinese: 泰山; pinyin: tàishān; Taishan) is a gantry crane with a safe working load of 20,000 metric tons (22,046 short tons). [1] Taisun was designed by DHHI (Dalian Huarui Heavy Industry) [2] and built for the installation of very large modules in semi submersibles and FPSO projects.

  5. Crane (machine) - Wikipedia

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

    Gantry crane A gantry crane to put a stagecoach on a flat car. 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 ...

  6. Samson and Goliath (cranes) - Wikipedia

    en.wikipedia.org/wiki/Samson_and_Goliath_(cranes)

    Each crane has a span of 140 metres (459 ft) and can lift loads of up to 840 tonnes to a height of 70 metres (230 ft). Their combined lifting capacity of almost 1,700 tonnes is one of the largest in the world. Prior to commissioning, the cranes were tested up to 1,000 tonnes, which bent the gantry downwards by over 30 centimetres (12 in).

  7. National Commission for the Certification of Crane Operators

    en.wikipedia.org/wiki/National_Commission_for...

    The organization is run by a Board of Directors with a President, Vice-President, and 30 Commissioners from 10 industry groups. The Commissioners make up ten Exam Management Committees with the responsibility of monitoring written and practical certification examinations for mobile, tower, overhead, and articulating (loader or knuckle-boom) crane operators, digger derrick operators, crane ...

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