. The railroad and engineering journal . Fig. SOS-. Fig 306. 48S. How aye equalizing levers ariaitged to connedpony trucks with the driving-axles of locomotives? Answer. Usually one equalizing lever, O P Q, \s placed onthe middle of the engine instead of using one on each side, asis Ihe ordinary practice with driving-wheels. This lever has afulcrum at P. The front end O of the lever is supported in aneye, c c (shown clearly in fig. 309), which is formed in the lowerend of the cencer-pin S. This pin passes through the hollowkingbolt JC K, and is supported by a pair of nuts screwed int
. The railroad and engineering journal . Fig. SOS-. Fig 306. 48S. How aye equalizing levers ariaitged to connedpony trucks with the driving-axles of locomotives? Answer. Usually one equalizing lever, O P Q, \s placed onthe middle of the engine instead of using one on each side, asis Ihe ordinary practice with driving-wheels. This lever has afulcrum at P. The front end O of the lever is supported in aneye, c c (shown clearly in fig. 309), which is formed in the lowerend of the cencer-pin S. This pin passes through the hollowkingbolt JC K, and is supported by a pair of nuts screwed inthe upper end, and which bear on the top of the king-bolt can slide vertically in the casting B B. A is the lever O J Q, and this would e.\ert a downward pressure on ihefront end 0, which would be transferred by the center-pin 5 tothe top of the king-bolt A A, and by it to the bolster H, whichis suspended by links L I. to truck frame. Any undue weightresting on one or both of ihe driving-wheels would thus betransmitted to the truck, a
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Keywords: ., bookcentury1800, bookdecade1880, bookidrailroadengi, bookyear1887
