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This is a gantry crane with no jib. A trolley runs across this gantry and can move side to side across the line of the breakwater, whilst carrying a load. It ran on baulks of timber laid temporarily on either side of the construction. Such cranes could lift a load of 40 tons, large for the time, and could also move such a load sideways. [2]
Wood recovered from underwater by archeologists is conserved in a special tank system, where it can be immersed in special solutions. Cleaning objects made of metal is accomplished using specialised cleaner machines. Heavy elements are moved with a gantry crane capable of lifting up to 5 tons. [4] The workshop is a large warehouse, without ...
Contour crafting is a building printing technology being researched by Behrokh Khoshnevis of the University of Southern California's Information Sciences Institute (in the Viterbi School of Engineering) that uses a computer-controlled crane or gantry to build edifices rapidly and efficiently with substantially less manual labor.
A gantry crane is a crane built atop a gantry, which is a structure used to straddle an object or workspace. They can range from enormous "full" gantry cranes, capable of lifting some of the heaviest loads in the world, to small shop cranes, used for tasks such as lifting automobile engines out of vehicles.
A 13th century drawing of a treadwheel crane. A treadwheel crane (Latin: magna rota) is a wooden, human powered hoisting and lowering device. It was primarily used during the Roman period and the Middle Ages in the building of castles and cathedrals. The often heavy charge is lifted as the individual inside the treadwheel crane walks.
Gantry-style overhead cranes of the Hainaut quarry in Soignies, Belgium. An overhead crane, commonly called a bridge crane, is a type of crane found in industrial environments. An overhead crane consists of two parallel rails seated on longitudinal I-beams attached to opposite steel columns by means of brackets. The traveling bridge spans the gap.