Transactions . Fir;. 45. - ArmstrongSide-tip WagonsDock (Tuamis). suspended type of coal-hoist (end-tip orNorth London Railway Company, Poplar COAL-SIIIPMEXT AND THE LAYIXG-OUT OF STAITHE HEADS. 205 as to balance the weight of the cradle and tipping frame, thecentral cylinder being that in communication with the workingvalves. The tipping machines for each hoist consist of ahydraulic cylinder fixed to the framing with plunger, cross-Jiead, guide-bars, multiplying sheaves, and two chains attached. Fig. 46.—Armstrong Hydraulic Coal-h<h^t. White-hill Point (Tyke). at one end to the tipping fra
Transactions . Fir;. 45. - ArmstrongSide-tip WagonsDock (Tuamis). suspended type of coal-hoist (end-tip orNorth London Railway Company, Poplar COAL-SIIIPMEXT AND THE LAYIXG-OUT OF STAITHE HEADS. 205 as to balance the weight of the cradle and tipping frame, thecentral cylinder being that in communication with the workingvalves. The tipping machines for each hoist consist of ahydraulic cylinder fixed to the framing with plunger, cross-Jiead, guide-bars, multiplying sheaves, and two chains attached. Fig. 46.—Armstrong Hydraulic Coal-h<h^t. White-hill Point (Tyke). at one end to the tipping frame, the arrangement being suchthat the tipping cylinder can be brought into operation and thewagon tipped at whatever level the cradle may be between itshighest and lowest positions. Check chains are fitted at each•end of the tipping frames, as shown in Fig. 45. The workingvalves for the lifting and tipping machinery of each hoist are 206 COAL-SHIPMENT AND THE LAYING-OUT OF STAITHE HEADS. arranged so that they can be worked, by chains, by a man stand-ing at one end of the cradle of that hoist. An overhead platform isprovided on the cradle of each hoist with handrails, and a ladderis fitted for access to this platform from the cradle. Automaticsliding-rail stops, actuated by the hoist cradles, are provided inconnexion with each hoist on the line of rails parallel to the quayedge, and double hinged stops are also fitted on each cradle. When side-door wagons are being dealt with, the emp
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Keywords: ., bookcentury1800, booksubjectmechan, booksubjectmineralindustries
