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A 3d animated model of a 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 ...
A crane vessel, crane ship, crane barge, or floating crane is a ship with a crane specialized in lifting heavy loads, typically exceeding 1,500 t (1,476 long tons; 1,653 short tons) for modern ships. The largest crane vessels are used for offshore construction .
Small Titan or hammerhead crane. The ultimate development of the dedicated block-setting crane was the hammerhead or 'giant cantilever' Titan crane. These had a deep double truss as a cantilever beam atop a large diameter roller bearing, on a carriage similar to that of the Hercules. The upper edges of the two trusses formed a set of rails for ...
Shipyard cranes Hammerhead cranes for Rosyth Dockyard, 120 ton max lift or 180 ft radius built 1965. and HMNB Devonport in Plymouth, 1,450 tonnes of structure with a lift of 80 tonnes. Recently dismantled. [12] [13] Fire grates & household ironmongery merchants; Offshore platform cranes (made up until closure of works) Pump units (now made by ...
The Hammerhead crane at the PSNS & IMF in Bremerton in April. The shipyard is planning for a major renovation and modernization known as SIOP, which will span years, and recently put out a request ...
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 ...
The double-link luffing jib crane is a MAN product. The lifting capacities are 100 t with a radius of 16.2 m and 50 t with a radius of 28.5 m and a maximum hook height of 35 m above the waterline. A galley, living quarters for twelve people and workshops allow a sea mission of up to ten days. [1]
The largest crane on the East Coast will soon try to lift the treacherous, colossal wreckage that has hampered search crews from finding victims of this week’s catastrophic Baltimore bridge ...