US1263524A - Flexible means for guiding locomotives. - Google Patents

Description

Eafented Apr. 25, 1918.,

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Inven wand.

JOSEPH W. BUCKLAND, OF MONTREAL, QUEBEC, CANADA.

FLEXIBLE MEANS ron enrnrne Locomotives.

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Application filed any as, 1917,

To all whom it may concern:

Be it known that I, JosnrH WELLINGTON Boon-LAN of the city of Montreal, Province of Quebec, Dominion of Canada, a subject of the King of Great Britain, have invented certain new and useful Improvements in Flexible Means for Guiding Locomotives; and I do hereby declare that the following is a full, clear, and exact description thereof.

The objectof this invention is to provide a simple and inexpensive yielding resistance for the leading driving'wheels and located between the driving-box crosssaddle and spring-seat; a further object being to procure a substantial design which may be readily applied to existing locomotives without the necessity of making any radical changes in the axle-box and main frame.

To this end the invention may be said to consist of the specific combination and particular arrangement of parts whereby inclined planes are utilized at the location above mentioned where maximum movement is permitted within the available space between the frame and wheels.

More specifically stated the invention in volves the particular construction of a crosssaddle extending across the locomotive frame with its ends straddling the engine main frame and its top splices, such crosssaddle having the bottom of its ends in engagement with the axle-boxes and the tops ofsuch ends formed to carry the lower members of the friction device of my invention; while the upper members of this friction device are located in and guided by the ends of a cross-tie serving as a yoke between the engine main frames. Tl e function of this cross-tie in its character as ayoke is to brace the frames and transmit the thrust of the lateral moven'ient of the friction devices to both frames simultaneously. As will be clearly shown hereinafter the specific construction and particular arrangement of these parts permits maximum movement within the available space between the frame and wheels; and in order to prevent distortion of the side rod connection with the crank-pin and also prevent obstruction of the lubricating ducts or oil-holes of this connection, I have provided a novel form of crank-pin hearing which consists of a cylinder divided vertically along the crankpin axis and having diametrically opposite Specification of Letters Patent.

Patented Apr. 23,1L9dh.

Serial No. 182,978.

flattened sides. This particular form coacts with my improved frictional guides in permitting maximum lateral movement without disturbing the registering relation of the oil-hole in this cylindrical bearing and the oil-hole in the side-rod, this effect being secured by the fact that the bearing is free to rotate with its axis co-inciding with the oil-hole. In this manner the crankpin connection and the frictional resistanc to lateral movement of the leading driving wheels are mutually accommodated.

For full comprehension, however, of my invention, reference must be had to the accompanying drawings in which similar reference characters indicate the same parts, and wherein:

Figure l is a side elevation of the portion of the engine main frame in the vicinity of the leading driving wheels and illustrating my improved flexible means for guiding locomotive in end elevation and the side rod connection in side elevation;

Fig. 2 1s a vertlcal sectional view taken on line 22 Flg. 1;

Fig. 3 is a plan view of one end of the cross-saddle with the friction mechanism in place;

liigs. 4i and 5 are respectively a horizontal sectional view and a vertical sectional view of the side-rod connection taken on lines 46% Fig. 1 and 5 Fig. 4; and

Figs. 6 and 7 are detail views in side elevation and plan of the flattened cylindrical side rod bearing removed.

The engine main frame to which my invention is applied consists, essentially, of a main frame 7) with its top splice Z the axlebox being indicated at 0;

According to my invention, the axle-box cross-saddle extends across the locomotive frame and each ofits ends presents a hoes ing or support 6, the lower edges f of which rest in seats 9 in the top of the axle-box while the top of these housings act as supports for the bottom members 7?. of the frictional device fastened securely against displacement thereon. The upper member i of this frictional device is carried by a holder of approximately inverted U-form p which is, in turn, located in and guided by a guide preferably presented by the transverse member serving as an engine frame cross-tie.

This member is indicated at j and has furcated ends 70 serving as the guide just mentioned, the adjacent faces of the parts of which have vertical shoulders m which register with vertical recesses 91 in the sides of the holder p thus guiding the same in a vertical direction and preventing relative lateral displacement. This transverse member is rigidly secured at 0 to the tops of the engine main frame splices b.

The friction devices proper consist of a pair of rectangular blocks each having a pair of side rises r and a central rise 8, the rises and all contacting surfaces of these rises being inclined to present inclined planes which convert lateral displacement of the bottom blocks with the cross-saddle into vertical movement of the upper blocks.

These registering inclined planes are dis posed across the length of the locomotive and permit displacement of the lower blocks relatively to the upper blocks in that direction, and prevent displacement in lateral respects; upward movement of the upper block is also permitted. This upward movement of the upper block and consequently,

the lateral displacement of the lower block and the driving wheels is resisted by the pressure to the top inclined planes through the springs t and equalizers to acting upon the holders 3) through the medium of the bearer '0, the holder being recessed as at w to form a seat for the rounded end 3 of the bearer.

The side-rod connection which I have devised to accommodate the maximum lateral displacement of the driving wheels comprises a crank-pin bearing consisting of a cylinder 2 divided vertically along the crank-pin axisinto semi-cylindrical portions 3 and 4 clasping the crank-pin and arranged between the friction blocks 5 and 6 in the side-rod ends, the axis of the bearing of course, coinciding with the axis of the crankpin, while the convex sides are vertical, the oil-hole 7 being drilled downwardly through the bearing in alinement with the oil-hole 8 in the side-rod. In order to prevent wear of the inside faces of the side-rod ends these faces are furnished with top and bottom wearing strips 9, the friction blocks 5 serving as vertical bearing strips for the same purpose. A vertieally adjustable block 20 of wedge-form is located between friction block 6 and the adjacent portion of the siderod and is adapted to be adjusted by a bolt 21 and nut 22. The face of the block 6 in bearing relation with the wedge 20 is inclined to coincide with the latter.

The combination and particular arrangement of the parts of the yielding resistance device provides a vertical sliding connection between the furcated ends of the cross-tie j and the holder 39 through the medium of flanges 10 formed on the holder and straddling the bottom blocks at the top of the ends of the saddle e, such flanges having continuations of the recesses n engaged by the shoulders m which are extended downwardly to the bottom of the furcated ends of the cross-tie as shown clearly in Fig. 1.

There is a constant yielding resistance to the upward movement of the top block, and consequently as the side thrust of the wheel flange against the rail head overcomes the friction between the inclined planes, and the holder 19 commences to rise, aside thrust against the shoulders m is created, thus developing a resistance at this point sufficient to place the applied load in required position, or, in other words, aline the front end of the locomotive body with the truck. The result of the yielding resistance of this inclined plane and faces of the shoulders is that the friction between the rails and wheel flanges is minimized the benefit of which is reflected on the following driving wheels of the locomotive. Simultaneously with the side movement of the wheels with relation to the engine main-frame and as the side rods are thrown out of parallelism with the main frame a sliding movement of the sliderod and crank-pin bearing, without vertical rotary displacement of the bearing is effected. This particular construction and arrangement of the crank-pin bearing secures constant alined position of the oil-holes in the bearings and side-rod ends, such result being due to the fact that the rotary movement of the bearing during this equalizer movement is around an axis coincident and alined with the oil-holes.

The cylindrical crank-pin bearings are applied wherever an operating part of the locomotive must work out of alinement.

W hat I claim is as follows:

1. Yielding means for guiding the leading driving wheels of locomotives, comprising the combination with the engine main frame, the axle-boxes and supports on the axle-boxes and standing above the height of the adjacent portions of the frame, of guides on the frame registering with the supports, members capable of vertical movement and effecting connection between the guides and supports such members being con structed and arranged to absorb the lateral displacement of the wheels, and guided by the said guides; and equalizer mechanism bearing upon the members.

2. Yielding means for guiding the leading driving wheels of locomotives, comprising the combination with the engine main frame and the axle-box cross-saddle, of a cross-tie the ends of which register with the ends of the saddle, members capable of vertical movement and guided by the ends of the cross-tie, and equalizer mechanism bearing upon the members.

Yielding mean for guiding the leading driving wheels of locomotives, comprismg the combinatiotn with the engine main frame and the axle-box, of an axle-box crosssaddle with housing-ends straddling the engine main frame and seated on the top of the axle-boxes; a cross-tie the ends of which register with the ends of the saddle, members capable of vertical movement and guided by the ends of the cross-tie, equalizer mechanism bearing'upon the members, and registering inclined planes fixedly carried respectively by the saddle and vertically movable members.

4. Yielding means for guiding the leading driving wheels of locomotives, comprising the combination with the engine main frame, and the axle-boxes, of an engine crosssaddle, a cross-tie with furcated ends straddling the ends of the cross-saddle, members capable of vertical movement such members being constructed and arranged to absorb the lateral displacement of the wheels guided in the ends of the cross-tie, and equalizer mechanism bearing upon the mechanism.

5. Yielding means for guiding the leading driving wheels of locomotives, comprising the combination with the engine main frame, and axle boxes and supports on the boxes, of a cross tie with furcated ends straddling the supports, holders capable of vertical movement and effecting sliding relation between the cross-tie and supports and guided in the ends of the cross-tie, equalizer mechanism bearing upon the holders, and registering inclined planes fixedly carried respectively by the supports and vertically movable holders.

6. Yielding means for guiding the lead ing driving wheels of locomotives, comprising the combination with the engine main frame and the axle-box cross-saddle, of a cross-tie the ends of which register with the ends of the saddle and the said ends of the cross-tie having vertical guides, holders having grooves with which the guides register, equalizer mechanism bearing upon the said holders, pairs of blocks with inclined planes, means securely fastening the upper blocks within the holders, and means securely fastening the lower blocks upon the ends of the cross-saddle with the inclined planes thereof in registering relation with the inclined planes of the upper blocks.

7. Yielding means for guiding the leading driving wheels of locomotives, comprising the combination with the engine main frame and the axle-box cross-saddle having housing-ends straddling the engine main frame and seated on the top of the axleboxes; of a cross-tie the ends of which register with the ends of the saddle and the said ends of the cross-tie having vertical guides, holders having grooves with which the guides register, equalizer mechanism bearing upon the said holders, pairs of blocks with inclined planes, means securely fastening the upper blocks within the holders, and means securely fastening the lower blocks upon the tops of the housing ends of the cross-saddle with the inclined planes thereof in register ing relation with the inclined planes of the upper blocks.

8. Yielding means for guiding the leading driving wheels of locomotives, comprising the combination with the engine main frame and the axle-box cross-saddle, of a cross-tie with furcated ends straddling the ends of the cross-saddle and the said ends of the cross-tie having vertical guides, holders having grooves with which the guides register, equalizer mechanism bearing upon the said holders, pairs of blocks with inclined planes, means securely fastening the upper blocks within the holders, and means securely fastening the lower blocks upon the tops of the housing ends of the cross-saddle with the inclined planes thereof in registering relation with the inclined planes of the upper blocks.

9. In yielding means for guiding the leading drive-wheels of locomotives the combination with the engine main frame and equalizer mechanism including vertically movable members and means yieldingly resisting the movement thereof, of a transverse member serving as a frame cross-tie and a guide for the said movable members.

10. The combination with a locomotive leading driving wheel, a crank-pin thereon and a side-rod with a head having an opening for accommodating the crank-pin and a bearing therefor and an oilhole, of a radial crank-pin bearing mounted in the side rod and consisting of a cylinder having its sides flattened, its crank-pin bore coinciding with an axis located in a plane intersecting the flattened sides, and an oil-hole extending at right angles to the bore and registering with the oil-hole in the side rod.

11. The combination with a locomotive leading drivingwheel, a crank-pin thereon and a side-rod with a head having an opening for accommodating the crank-pin and a bearing therefor and an oil-hole, of a radial crank-pin bearing mounted in the side rod and consisting of a cylinder having its sides flattened, its crank-pin bore coinciding with an axis located in a plane intersecting the flattened sides, and an oil-hole extending at right angles to the bore and registering with the oil-hole in the side rod, friction blocks with concave faces and located within the side rod head and in registering relation with the sides of the bearing, and top and bottom wear strips within the side-rod head and bearing between the ends of the bearing and the said side-rod head.

12. Yielding means for guiding the leading driving wheels of locomotives, comprising the combination with the engine main frame and the axle boxes, of an axle-box cross-saddle with housing-ends straddling respectively by the cross-saddle and vertithe engine main frame and seated on the cally movable holders. 1C tops of the axle-boxes; a cr0ss-tie with fur- In testimony whereof I have signed my cated ends straddling the ends of the crossname to this specification in the presence of 5 saddle, holders capable of vertical movement a Witness.

and guided in the ends of the cross-tie, equal- 1 JOSEPH W. BUCKLAN D. izer mechanism bearing upon the holders, and Witness registering inclined planes fixedly carried GORDON G. (300KB.

1 Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

t Washington, D. C.

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