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  2. Jib (crane) - Wikipedia

    en.wikipedia.org/wiki/Jib_(crane)

    Usually jib arms are attached to a vertical mast or tower or sometimes to an inclined boom. In other jib-less designs such as derricks, the load is hung directly from a boom which is often anomalously called a jib. A camera jib or jib arm in cinematography is a small crane that holds nothing but the camera. [4]

  3. Crane (machine) - Wikipedia

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

    A jib crane is a type of crane - not to be confused with a crane rigged with a jib to extend its main boom - where a horizontal member (jib or boom), supporting a moveable hoist, is fixed to a wall or to a floor-mounted pillar. Jib cranes are used in industrial premises and on military vehicles.

  4. 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.

  5. Ring crane - Wikipedia

    en.wikipedia.org/wiki/Ring_crane

    A ring crane is a form of large construction crane with a luffing jib. It is distinguished by its slew pivot [ i ] being in the form of a ring-shaped track, rather than a narrow central spindle. The broad base this gives to the slewing section above allows it to slew whilst carrying extremely heavy loads.

  6. Bulk-handling crane - Wikipedia

    en.wikipedia.org/wiki/Bulk-handling_crane

    Early French crane loading coal for a gasworks. A bulk-handling crane is one that, instead of a simple hook that can handle a range of slung loads, has an integral grab for lifting bulk cargoes such as coal, mineral ore etc. Where the grab is a two-piece hinged bucket, it is known as a shell grab or shell bucket. Working the grab requires extra ...

  7. File:Crane Tower in Toruń.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Crane_Tower_in_Toruń.jpg

    The following other wikis use this file: Usage on de.wikipedia.org Kranturm in Toruń; Usage on fr.wikipedia.org Tour de Grue de Toruń; Usage on pl.wikipedia.org

  8. Block-setting crane - Wikipedia

    en.wikipedia.org/wiki/Block-setting_crane

    In 1881, Stothert and Pitt constructed a horizontal jib crane for Sir John Coode's harbour building work on the Kowie River at Port Alfred in South Africa. [6] This was a rail-mounted steam crane, with a fixed horizontal jib carrying a movable trolley or 'crab'. The crane, including the steam plant, could slew on a central king post bearing ...

  9. 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).