US2327313A - Stoker and support therefor - Google Patents

Description

Aug. 17, 1943. E. MARTIN STOKEb'. A ND SUPPORT THEREFOR 'Filed Jan. 1, 1942 Patented Aug. 17, 1943 Eugene` Martin, Erie, Ija., assigner toThe Standard Stoker Company, Incorporated, a corporation of Delaware Application January 1, 1942, Serial No1 425,351

7 Claims.

This invention relates to stel-:fers for intercoupled locomotives andrtenders including a system of conduits and conveyors extending from beneath the tender' fuel bin to the firing' opening of the locomotive flr'e'boxr Provision is made inV an intercoupled locomotive and tender for relative; movement therebetween as they travel on cintres, cross-overs and turntables, and since a portion of the Stoker extends rearwardly in thetender and a portion extendsforwardly in the locomotiva exibility in the conduit and con-fY veyor system of the s-toker must also be provided for. in the rigid trough type of stoker, wherethe trough or rear conduit is rigidly mount-cd on the tender, exibility isprovided for' by a pair of longitudinally spaced universal connections in the conduit system. Inthe swinging trough type of stolzer, where the trough or rear conduit is rnovably moimted' in the tender, only a single universal connection in they conduit system is essential to provide for'neeessary flexibility; The present invention relates tothe latter or swinging trough type of Stoker".

Itis ariobie'etL of Vvthe invention to provide an improved Stoker and mounting arrangement of the type described, that is simple in construction, cheap to manufacture and conveniently installed. v

important consideration in stolrers-y of this lettertype is the provision of practical and efl'- oi'ent supporting means for the movable trough or rear conduit section. It is, therefore, another object of the present invention to provideV in stolrers of this type, supporting ine-ans that is simple in construction, and that rrnly supports" the. movable conduit section while permitting' free movement thereof about avertical' and a horizontal axis as relative movement' between lthe locomotive and tender occurs.

Another object ofV the invention is to provide supporting means for the movable trough or rear' conduit section that will minimize strains cn the locomotive' backhead and the flexible connection in the condiiitY system' due to the' thrust and' pull of the' movable trough instopping' and starting the locomotive, While at the same time providing the r-ieces'saryV flexibilitytheconduit system must' have because of the relative movement between` locomotive and tender.

Further objects; andadva-ntages of the invention reside in the novel! construction of parts and the novel combination and relation of? elem-ents, all as: brought' out in the following description and the :mperidedr claims and; shown in the ac companying drawing,inf` which` Fig. l is a vertical lonitudinal central section of adjacent ends of a locomotive and tender with the invention embodied therein and shown partly in similar section and. partly in elevation;

Fig. 2 is a sectional View taken on' the line 2--2 of Fig. 1;

ligl 3 is a sectional view taken oni the line 3&3 of Fig. l; and

4 is a fragmentary view of the rear portion' of the locomotive showing a mo'dication of the stel/rer' supporting arrangementr Referring'- now to Figs. 1, 2 and 3,. illustrating one embodiment of' the ii-iverition, the locomotive is indicated by the letter L and comprises a frame iii' upon wliilcl'iv the boiler backliead Il is supported by means of an expansion. plate l2.I A` deelt is extends rearwardly from the backheadv Il betieatli the level of thefiring opening i@ the baclilead H.V Coupled to the locomotive the conventional manner, as at C', is a tender having a fuebin l5 above the apertured floor I6.

VAV stolzer indicated by the letter .transfers fuel from the fuel bin l5 to' the iiring opening l4 and includes a discharge conduit or boxit and a transfer' conduit Vl, the latterl cofiipri'sin'g.

the telescopica-,Hy connected trough or rear con-- duit-section i8. and forward conduitsect'ion lf. The normally-horizontally" extending' trough or rear conduitsection l@ comprises an open mouthtrough 2l, arranged to receive; fue-1l from the bin 5 tif-rough the opening Z2, and a tubular' portion t` communicating with and' extending forwardly of' the trougli2l.

The forward' conduit-section l-9 is formed with abend intermediate its ends, the portion rearward of' the teleseoping the tubular conduitporton- 2'3* and tlie portion forward ofthe ben-d extending onward-ly and forwardly through the cab deckv ll to'J the discharge box 2li. The dis-m chargebox` 226 surrounds the firing openingv irl and is rigidly secured, anyfsuitalale manner, to the backheadlll. Itis provided with a spheri-l cal concave fragmento-l conduit portion- 2li' at its lower side to receive the hollow spherical portion f5 ofthe forward conduit section iii-l', forming therewith a universal connection.

Coal istransferred through the transfer conA-v duit IT to the discharge box 2tl by screw conveying means including a screw conveyor 2t disposed inthe trough'or rear conduit' section l8`` and' a screw conveyor* 2T disposed in' ,the upwardly and' forwardlyextending portion' ofthe forward con# duit section f5. The fuel delivered by tllei screw conveying' system i's received Vby suitable dis# ment thereof with respect to the tender, and forV lateral swinging movement thereof about a vertical axis and vertical swinging movement thereof about a transverse horizontal axis when relative movement between the locomotive and tender occurs, as in rounding curves or passing over switches and turntables. This mounting arrangement comprises rollers .'iil suitably attached to the trough portion 2l of the rear conduit section I8 and arranged to move n suitable tracks 3 i.

The tubular conduit portion 23 is provided with a foot pad 32 to which is rigidly secured one end of a tie rod or brace 33. The tie rod 33 comprises a longitudinally extending bar 3ft having at its rearward end a horizontal fiange 35 fitting against the foot pad 32 and to which it is rigidly secured by suitable means, as by the bolts and nuts 36. The forward end of the barv 3ftY is provided with a boss 37 having an opening 33 therethrough in which is loosely received the threaded projection 39 of the ballmember ft2. The nut lil and lock nut 42 threaded on the threaded projection 39 at opposite sides of the boss 31, rigidly secures the ball member lili to the brace 33. rfhe ball member di! is received in the spherical seat 43 of the bracket fifi andthe clamp prevents disengagement of the ball member fail from the seat 43 but permits universal movement of the tie rod 'about its forward end. rIhe bracket Q1. may be rigidly secured to the expansion plate I2, as shown in Fig. l, or to the frame l@ as shown in Fig. 4.

The bracket dei is so disposed that the center of the ball member 4i) is below butV in vertical alinement with the centerof the ball joint between the forward conduit section IS `and the concave portion 24 of the discharge box 2li. This permits lateral swinging movement of the tie rod 33 and the transfer conduit I'I as a unit about a vertical axis as relative lateral movement between the locomotive and tender occurs when traveling over curving tracks. While providing for such movement, the tie rod 33 at the same time rmly maintains the rear conduit section I8 in a normally horizontal position, supporting the overh'anging weight of the trough or rear conduit section I8 when the rollers 3i! are disposedrearward of the center of gravity and preventing the forward end of the trough or rear conduit section I8 from tilting upwardly when the rollers 3&3 are disposed forward of the center of gravity. It is also apparent, since the rearward end of the forward conduit section i9 is carried by the rear conduit section IS, that the tie rod 33 acts as a supporting medium for a portion of the weight of the forward conduit section I, thereby relieving the backhead i I of a further portion of the weight of the stoker and prevents binding between the telescopically joined ends of the conduit sections I8 and I9.

When relative vertical movement between the locomotive and tender occurs, as in passing over switches and turntables, the rear conduit section I8 swings in a vertical plane about the axis of the ball member @du while the forward conduit section I9 swings in a vertical plane about the axis of the ball joint between the forward conduit section I9 and the concave portion 24 of the discharge box 20. The slight relative longitudinal movement between the forward and rear conduit sections I9 and IS, due to the difference in vertical swing about their vertically offset axes, is provided for by the telescopic relation of their adjacent ends.

The present construction and arrangement of parts minimizes strains on the flexible connection in the conduit system and the strains on the locomotive backhead when starting and stopping the locomotive. When stopping the locomotive, the rear conduit section of the stolzer, since it is movably mounted on the tender, has a forward thrust due to its inertia and when starting exerts 'a pull, which unless otherwise taken care of is transmitted to the exible connection in the conduit system and the locomotive backhead. In the present construction these strains are transmitted by the tie rod 33 to the expansion plate I2, when the bracket i4 is secured to the expansion plate I2 as shown in Fig. l, and to the frame Iii, when the bracket ifi is secured to the frame Iii as shown in Fig. 4. This is accomplished without sacrificing the necessary flexibility the stocker must have because of the relative movement between locomotive and tender.

Minor adjustments in the positioning of the double universal joint 23 are readily made by threading nut lli and lock nut l2 farther forward or rearward on the threaded projection 39 of the ball member It is desirable to have the uni- Y versal joint 23 centralized in the bend in forward conduit section I and by the present adjustment arrangement such positioning is assured.

I claim:

1. In an intercoupled locomotive and tender, the combination of a fuel transfer conduit extending forwardly from the tender to the locomotive and comprising a rear conduit section movably mounted and supported on the-tender and a front conduit section supported at its forward end on the locomotive, said conduit sections being telescopically connected at their adjacent ends, and

means carried by the locomotive for additionally supporting said conduit sections, said means having a rigid connection with said rear conduit section and a pivotal connection with the locomotive, said pivotal connection having no physical connection with said front conduit section.

2. In an intercoupled locomotive and tender, the combination of a fuel transfer conduit extending forwardly from the tender to the locomotive and comprising a rear conduit section movably mounted and supported on the tender and a front conduit section having a universal connection at its forward end forrpendulously supporting said front conduit section on the locomotive,

said conduit sections being telescopically connected at their adjacent ends, and means carried by the locomotive for additionally supporting said conduit sections, said means having a rigid connection with said rear conduit section and a pivotal connection with the locomotive, the axis of said pivotal connection being in vertical alinement with the axis of said universal connection, said pivotal connection having no physical connection with said front conduit section.

3. In an intercoupled locomotive and tender, the combination of a fuel transfer conduit extending forwardly from the tender to the locomotive and comprising a rear conduit section movably mounted and supported on the tender and a front conduit section pendulously supported at its forward end on the locomotive, said conduit sections being telescopically connected at their adjacent ends, and means carried by the locomotive for additionally supporting said conduit sections, said means having a rigid connection with said rear conduit section forward of its first named support and a pivotal connection with the locomotive, said pivotal connection having no physical connection with said front conduit section.

4. In an intercoupled locomotive and tender, the combination of a fuel transfer conduit extending forwardly from the tender to the locomotive and comprising a rear conduit section movably mounted and supported on the tender and a front conduit section pendulously supported at its forward end on thelocomotive, said conduit sections being telescopically connected at their adjacent ends, and means carried by the locomotive for additionally supporting said conduit sections, said means having a rigid connection with said rear conduit section forward of its first named support and a pivotal connection with the locomotive, the` axis of said pivotal connection being in vertical alinement with the axis of said pendulous support, said pivotal connection having no physical connection with said front conduit section.

5. In an intercoupled locomotive and tenderf ing said rear conduit section fore and aft to any one of a number of positions. 7

6. In an intercoupled locomotive and tender, the combination of a fuel transfer conduit extending forwardly from the tender to the locomotive and comprising a rear conduit section movably mounted and supported on the tender and a front conduit Vsection having a universal connection at its forward end for pendulously supporting said front conduit section on the locomotive, said conduit sections being telescopically connected at their adjacent ends, and means carried by the locomotive for additionally supporting said conduit sections, said means having a rigid connection with said rear conduit section and a pivotal connection with vthe locomotive,` the axis of said pivotal connection being in vertical alinement with the axis of said universal connection, and adjusting means associated with said additional supporting means for moving said rear conduit section fore and aft to any one of a number of positions.

'7. InV an intercoupled locomotive andstender, a fuel transfer conduit extending forwardly from the tender tothe locomotive and comprising a rear conduit section Vmovably mounted and supported on the tender, said mounting and support beingarranged for pivotal movement of said rear conduit section 4about a vhorizontal transverse axis, said fuel transfer conduit also comprising a front conduit section having a universal connection at its forward end for pendulously supporting said front conduit section on the locomo- Vtive, said conduit sections being telescopically connected at their adjacent ends, and means carried by the locomotive for additionally supporting said conduit sections, said means having a rigid connection with said rear conduit section forward of its rst named support and a pivotal connection with the locomotive, said pivotal connection having 'no physical connection with said front conduit section. Y EUGENE MARTIN.

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