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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. 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 ...

  4. Accredited Crane Operator Certification - Wikipedia

    en.wikipedia.org/wiki/Accredited_Crane_Operator...

    1971 – OSHA passes 29 CFR 1926.550, which is the standard for cranes and derricks used in construction for the next 41 years. [3]1995 – The National Commission for the Certification of Crane Operators (NCCCO) is established by the crane and lifting industry as a nonprofit organization to develop a certification program for crane operators.

  5. 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.

  6. 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 ...

  7. Taisun - Wikipedia

    en.wikipedia.org/wiki/Taisun

    The gantry crane holds the record for the heaviest weight lifted by a crane. [3] The amount of wire required to operate Taisun is nearly 50,000 meters or just over 31 miles, allowing it to lift a maximum of 80 meters. Taisun seen lifting the 14,000-ton deck box of the COSL Pioneer drilling semi-submersible.

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