Shear legs, also known as sheers, shears, or sheer legs, are a form of two-legged lifting device. Shear legs may be permanent, formed of a solid A-frame and supports, as commonly seen on land and the floating sheerleg, or temporary, as aboard a vessel lacking a fixed crane or derrick. When fixed, they are often used for very heavy lifting, as in tank recovery, shipbuilding, and offshore salvage operations. At dockyards they hoist masts and other substantial rigging parts on board. They are sometimes temporarily rigged on sailboats for similar tasks.
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| - Bigue (fr)
- Shear legs (en)
- Sax (lyftanordning) (sv)
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| - Shear legs, also known as sheers, shears, or sheer legs, are a form of two-legged lifting device. Shear legs may be permanent, formed of a solid A-frame and supports, as commonly seen on land and the floating sheerleg, or temporary, as aboard a vessel lacking a fixed crane or derrick. When fixed, they are often used for very heavy lifting, as in tank recovery, shipbuilding, and offshore salvage operations. At dockyards they hoist masts and other substantial rigging parts on board. They are sometimes temporarily rigged on sailboats for similar tasks. (en)
- Une bigue est une grue généralement portuaire, mais existant également sur les navires de charge spécialisés dans le transport de colis lourds (locomotives, etc.). De type mât de charge unique, elle permet de soulever de très lourdes charges (poids supérieur à 100 tonnes). La bigue est aussi l'ancêtre de la grue actuelle.
* Bigue
* Le transporteur de colis lourds Grietje livre une installation pour un pétrolier, à Brest.
* La Paimpolaise chargeant des bateaux à Southampton.
* Bigue de Camaret-sur-Mer. (fr)
- Sax är en lyftanordning bestående av två korslagda bommar sammanbundna i korset. Det kan användas fristående genom att läggas något ovanpå krysset exempelvis en påle vid majstångsresning) När saxen är fast monterad är de nedre ändarna fastsatta i marken eller på ett fartyg och är stöttad med stag. Föremål lyfts under krysset med hjälp av rep och taljor. (sv)
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| - Shear legs, also known as sheers, shears, or sheer legs, are a form of two-legged lifting device. Shear legs may be permanent, formed of a solid A-frame and supports, as commonly seen on land and the floating sheerleg, or temporary, as aboard a vessel lacking a fixed crane or derrick. When fixed, they are often used for very heavy lifting, as in tank recovery, shipbuilding, and offshore salvage operations. At dockyards they hoist masts and other substantial rigging parts on board. They are sometimes temporarily rigged on sailboats for similar tasks. (en)
- Une bigue est une grue généralement portuaire, mais existant également sur les navires de charge spécialisés dans le transport de colis lourds (locomotives, etc.). De type mât de charge unique, elle permet de soulever de très lourdes charges (poids supérieur à 100 tonnes). La bigue est aussi l'ancêtre de la grue actuelle.
* Bigue
* Le transporteur de colis lourds Grietje livre une installation pour un pétrolier, à Brest.
* La Paimpolaise chargeant des bateaux à Southampton.
* Bigue de Camaret-sur-Mer. (fr)
- Sax är en lyftanordning bestående av två korslagda bommar sammanbundna i korset. Det kan användas fristående genom att läggas något ovanpå krysset exempelvis en påle vid majstångsresning) När saxen är fast monterad är de nedre ändarna fastsatta i marken eller på ett fartyg och är stöttad med stag. Föremål lyfts under krysset med hjälp av rep och taljor. (sv)
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