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1600 ton maximum lift capacity sheerleg Taklift 7 of Smit International. Fixed shear legs are most commonly found on floating cranes known as floating sheerlegs.These have heavy A-frame booms and vary in lifting capacity between 50 and 4,000 tons, and are used principally in shipbuilding, other large scale fabrication, cargo management, and salvage operations.
Left Coast Lifter is a floating derrick barge or sheerleg which was built to assist in the eastern span replacement of the San Francisco–Oakland Bay Bridge.The barge carries a shear legs crane which is the largest barge crane ever used on the U.S. West Coast.
1600 ton maximum lift capacity sheerleg Taklift 7 of Smit International. A floating sheerleg (also: shearleg) is a floating water vessel with a crane built on shear legs. Unlike other types of crane vessel, it is not capable of rotating its crane independently of its hull. There is a huge variety in sheerleg capacity.
On the top side, the two legs are connected together by a lashing but with a small spacer block placed between the legs. A sling, which may be made from ropes, is placed around the area that two legs meet to be used to put a tackle pulley system for lifting the load. There are two guy wires, front and rear, to support the shear legs.
A Sheer-legs barge is a barge with sheer-legs mounted at one end, which can lift loads and luff the sheer-legs to adjust the reach, but cannot swing the load independently of the hull orientation. A typical arrangement has a substantial A-frame hinged at the stern, supported by stays to the bow.
Pages in category "Lifting equipment" ... Shear legs; W. Wire rope spooling technology This page was last edited on 23 January 2021, at 10:20 (UTC ...
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Sheer legs; Sling (rigging) – Rope, webbing, wire or chain used to support a load for lifting; Rope splicing – Semi-permanent joint between two ropes; Tackle – System of two or more pulleys and a rope or cable; Tirfor – Device for pulling cable; Tugger (rigging) Turnbuckle – Device for adjusting the tension or length of ropes or cables