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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.
Kirow Ardelt GmbH Eberswalde, referred to as Ardelt, is a German crane manufacturer. The company specialises in manufacturing double jib level luffing cranes which are based on the patented double jib principle. Ardelt has produced more than 4,700 harbour cranes. [1] Ardelt also makes single jib-level luffing cranes and balancer cranes.
Level luffing crane; P. Patented track crane; R. Ring crane; X. XGC88000 crawler crane This page was last edited on 16 May 2019, at 22:59 (UTC). Text is available ...
A construction crane toppled into an office building housing the Tampa Bay Times and left a massive hole in the side of the structure during violent winds from Hurricane Milton.. The crane was ...
This specific example uses a level luffing mechanism to maintain the load at approximately the same vertical height as the jib moves through its range of travel. A jib or jib arm is the horizontal or near-horizontal beam used in many types of crane to support the load clear of the main support. [1] [2] An archaic spelling is gib. [3]
Level luffing crane, a type of crane where the jib, rather than being fixed, can be raised and lowered; Luffing, when a sailing sheet is eased so far past trim that airflow over the surface is disrupted; The leading edge of a sail
Some new cranes have a 120-tonne load capacity, enabling them to lift up to four 20-foot (6.1 m) or two 40-foot (12 m) containers. Cranes capable of lifting six 20-foot containers have also been designed. Post-Panamax cranes weigh approximately 800–900 tonnes, while the newer-generation super-post-Panamax cranes can weigh 1,600–2,000 tonnes.
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