Transactions . < s i o < g« w a - a<O «• -< * CO sT °g O 5 si o o fc COAL-SHIPMEXT AXD THE LAYIXG-OUT OF STAITHE HEADS. 221 with cylinders 9 inches in diameter by 12-inch stroke, driving afly-wheel 42 inches in diameter, off which a four-ply 8-inch rubberbelt on a 42-inch Dodge split-pulley drove a 2-inch shaft toa geared bevel-wheel 5 feet in diameter, placed horizontally ona 6-inch perpendicular shaft immediately above the rope-wheel,7| feet in diameter. The driving-shafts make 14 revolutionsper minute. The rope is 1£ inches in diameter, and of ordinaryXiang Pig. 54.—View o
Transactions . < s i o < g« w a - a<O «• -< * CO sT °g O 5 si o o fc COAL-SHIPMEXT AXD THE LAYIXG-OUT OF STAITHE HEADS. 221 with cylinders 9 inches in diameter by 12-inch stroke, driving afly-wheel 42 inches in diameter, off which a four-ply 8-inch rubberbelt on a 42-inch Dodge split-pulley drove a 2-inch shaft toa geared bevel-wheel 5 feet in diameter, placed horizontally ona 6-inch perpendicular shaft immediately above the rope-wheel,7| feet in diameter. The driving-shafts make 14 revolutionsper minute. The rope is 1£ inches in diameter, and of ordinaryXiang Pig. 54.—View of Trestles, fitted up with Balance-sheaye Grouping fobdistributing rope pressure, and ropeway carrying mineral buckets. The driving-wheel is placed at the near end of the loadingstation (Fig. 55), so that the shunt-rail is extended farther than theloading point, thus allowing sufficient room for the empty bucketsto stand on the shunt-rail and to radiate to the loading point,and give sufficient standage room between the empty and thefull buckets. The terminal stations (Fig. 50) are built of 4Aby 9-inch scantling uprights in concrete foot-blocks. The bentsare of 9 feet centres and 7| feet high, on which is suspended bycast-iron hangers a piece of steel 3$ inches deep by | inch thick 222 COAL-SHIPMENT AND THE LAYING-OUT OF STAITHE HEADS. (Fig 57). These pieces form the shunt-rail. The carrier is sodesigned that it forms a clip on the rope, and is also providedwith two wheels, 6 inches in diameter (Fig. 58), which come intooperation when the buckets leave the rope at the
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Keywords: ., bookcentury1800, booksubjectmechan, booksubjectmineralindustries
