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  2. Crane (machine) - Wikipedia

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

    The "hammerhead", or giant cantilever, crane is a fixed-jib crane consisting of a steel-braced tower on which revolves a large, horizontal, double cantilever; the forward part of this cantilever or jib carries the lifting trolley, the jib is extended backwards in order to form a support for the machinery and counterbalancing weight. In addition ...

  3. Gin pole - Wikipedia

    en.wikipedia.org/wiki/Gin_pole

    In addition to being used as simple lifting devices in field operations such as construction, logging, loading and unloading boats, and emergency repairs, gin poles are well suited to raising loads above structures too tall to reach with a crane, such as placing an antenna on top of a tower/steeple, and to lift segments of a tower on top of one another during erection.

  4. Cantilever - Wikipedia

    en.wikipedia.org/wiki/Cantilever

    A cantilever is a rigid structural element that extends horizontally and is unsupported at one end. Typically it extends from a flat vertical surface such as a wall, to which it must be firmly attached. Like other structural elements, a cantilever can be formed as a beam, plate, truss, or slab.

  5. Tail lift - Wikipedia

    en.wikipedia.org/wiki/Tail_lift

    A hydraulic cantilever tail lift on the back of a truck Four stages of deployment on an ambulance tail lift Control for a tail lift. A tail lift (term used in the UK, also called a "liftgate" in North America) is a mechanical device permanently installed on the rear of a work truck, van, or lorry, and is designed to facilitate the handling of goods from ground level or a loading dock to the ...

  6. Launching gantry - Wikipedia

    en.wikipedia.org/wiki/Launching_gantry

    Underslung (lower-beam) launching gantry used for Skyline guideway construction (2015). A launching gantry (also called bridge building crane, and bridge-building machine) is a special-purpose mobile gantry crane used in bridge construction, specifically segmental bridges that use precast box girder bridge segments or precast girders in highway and high-speed rail bridge construction projects.

  7. Finnieston Crane - Wikipedia

    en.wikipedia.org/wiki/Finnieston_Crane

    The Finnieston Crane is a giant cantilever crane, 53 metres (175 ft) tall with a 46-metre (152 ft) cantilever jib. [5] It has a lifting capacity of 175 tons, and could perform a full rotation in three and a half minutes.

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