. The Street railway journal . of work air is more easily handled than the hydraulicpumps, and if the installation was to be made over againit is probable that air lifts in the pits would be used exclu-sively. Each of the two tracks that are planked over is pro-vided with an air lift for raising car bodies free from thetrucks. Each lift comprises four vertical cylinders, restingon concrete foundations. These cylinders are 4 ft. high and10 ins. in diameter, and they are set with their tops flushwith the floor. In each cylinder is a piston formed of a6-in. cast-iron pipe. If it is desired to lif
. The Street railway journal . of work air is more easily handled than the hydraulicpumps, and if the installation was to be made over againit is probable that air lifts in the pits would be used exclu-sively. Each of the two tracks that are planked over is pro-vided with an air lift for raising car bodies free from thetrucks. Each lift comprises four vertical cylinders, restingon concrete foundations. These cylinders are 4 ft. high and10 ins. in diameter, and they are set with their tops flushwith the floor. In each cylinder is a piston formed of a6-in. cast-iron pipe. If it is desired to lift a car bodyhigher than the total travel of the pistons, extension piecesconsisting of 5-in. pipe, 2 ft. long, are adjusted to the topsof the pistons, thus giving a total lift of 5 ft. above thefloor. One of the drawings shows plainly the details of thisarrangement for raising cars. The object of the removableextension pieces in the top of the pistons, is to leave thecar floor unobstructed when the jacks are in the lowest po-. VIEW IN REPAIR SHOPS AT BIRMINGHAM, SHOWING JIB CRANE FOR SERVING WHEELS AND AXLES TO BORING MACHINE AND WHEEL PRESS May 5, 1906.] STREET RAILWAY JOURNAL. 701 sitions, as the extensions can then be taken off and therewill be no projections above the floor level. The car bodyis held in the raised position by means of pins inserted inholes in the 6-in. pistons in the manner shown in thediagram. The cylinders are connected two in series, as indicated
Size: 1871px × 1336px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
