. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . e American the number had risen inMarch to 8,585, and although the openingup of navigation on the Volga and itstributaries decreased the rail shipments,permitting to date the movement of metric tons of grain by water, railshipments have continued heavy, amountingto 5,710 cars in April and 7,846 cars inMay. 218 RAILWAY AND LOCOMOTIVE ENGINEERING August, 1922 New Feeding Arrangement of the Elvin Mechanical Stoker In the development of the Elvin stokera change ha
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . e American the number had risen inMarch to 8,585, and although the openingup of navigation on the Volga and itstributaries decreased the rail shipments,permitting to date the movement of metric tons of grain by water, railshipments have continued heavy, amountingto 5,710 cars in April and 7,846 cars inMay. 218 RAILWAY AND LOCOMOTIVE ENGINEERING August, 1922 New Feeding Arrangement of the Elvin Mechanical Stoker In the development of the Elvin stokera change has been recently made in themethod of feeding the coal from the ten-der forward to the crusher. A referenceto the illustrated article on the Elvin Me-chanical Stoker, published in Rai! &■Locomotkc Eiigin-ccriiv^ for October, frame, give the same continuous rotarymotion to the shaft D and the eccentric Ewhich is keyed to it. Above the eccentric E will be noted theeccentric rod G which has at its lower enda free moving roller, the rod being con-nected at it? tipper end to a lever operating. TOP MEW OF CHAIN BELT COXVEVOR lOR EI.\IX \L STOKER 1921. will show that, at that time, theconveyor, for feeding the coal forward tothe crusher, had a reciprocating motionwith a variable travel of about 4 in. maxi-mum. In the latest design, as shown in theaccompanying photographs, this recipro-cating motion of the conveyor has beenchanged to an intermittent feed of thechain belt type. The surface of the belt is composedof four link belt chains with feeding barsprojecting upward. This whole belt hasan intermittent forward movement on itsupper surface, it being possible to varythe length of the forward step from /g 1^8 in. The mechanism by which this is ac-complished is shown in the half side this the square telescoping shaft A re-ceives a continuous rotary motion fromthe engine shaft on the locomotive and thismotion is carried backward and commu-nicated to the shaf
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