US2595692A - Automatic flange oiler for car wheels - Google Patents

Description

May 6 1952A H. o. MURPHREE 2,595,692v

AUTOMATIC FLNGE OILER FOR CAR WHEELS a (In Q l` vill/1,'

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C lad-1 HENRY O- MURPHREE :F 1; E i 3 BY ATTORNEY May 6, 1952 H. o. MURPHREE 2,595,692

AUTOMATIC FLANGE OILER FOR CAR WHEELS l Filed NOV. 14, 1947 3 Sheets-Sheet 2 IN VEN TOR.

HNQY o. MURPHRr-:E BY

ATTDRNEY H. O. MURPHREE AUTOMATIC FLANGE OILER FOR CAR WHEELS May 6, 1952 s sheets-sheet s Filed Nov. 14, 1947 E E Rm 0D.. wm VM w.. O 4v. R N E l H W ATTORN EY Patented May 6, 1952 l AUTOMATIC FLAN GE OILER FOR CAR WHEELS Henry 0. Murphree, Heavener, Okla.; Dewey Murphree administratrix of said Henry 0. Murphree, deceased Application November 14, 1947, Serial No. 785,997

2 Claims. l My invention relates to equipment for railroad rolling stock and more particularly for automatic oilers for flanges of wheels of diesel 1ocomotives, passenger coaches and the like.

The `object of my invention is to provide a flange oiler adapted to be operated by the oscillatory movement of a truck relative to a coach body or the like, resting on said truck while the coach passes through a curve of the track.

Another object of my invention is to provide a flange oiler of the character indicated above and equipped with two sets of pumps, each set comprising a cylinder and piston reciprocally arrangedfin the cylinder for each wheel on one side ofthe truck. y

A further object of my invention is to provide a flange oiler of the character indicated above.A in which only the pumps connected with the wheels rolling on the outer rail of a track curve are operated, while the coach passes the curve, and in which these pumps are automatically shut oi as soon as the coach enters a straightl stretch of track.

A still further object of my invention is to providena flange oiler of the character indicated above "equipped with means for adjusting the pump operating means, so that each pump piston executes a stroke of a predetermined length, and the pump, in consequence, delivers a predetermined amount of oil.

Still: another object of my invention is to provide a flange oiler of the character indicated above equipped with a rotary oil distributor adapted to straddle the wheel flange to beL oiled and urged by a spring into permanent contact with the circumferential surface of the wheel ange.`z

Other objects of my invention not specifically mentioned may appear in the following specification describing my invention with reference to the accompanying drawing illustrating a preferred embodiment of my invention. y

It is, however, to be understood, that myinveirtion` is not to be limited or restricted to the exact construction and combination of parts described in the specification and shown in the drawing, but that such changes and modications can be made,l which fall within the scope of the claims appended hereto.

In the several iigures of the drawing similar parts are vdesignated by similar reference characters and Figure 1 is a View in longitudinal section of a conventionally illustrated wheel truck of a rail- Way car together with a portion of the overlying 2 car body, showing the application of a flange oiler, constructed in accordance with the present invention.

Figure 2 is a view partly in vertical section and partly in elevation of the oil reservoir and the mechanism within the same.

Figure 3 is a vertical section taken substantially on the line 3-3 of Figure 2 and including, in elevation, the operative coupling between the oiler and the bottom of the car body.

Figure 4 is a view partly in elevation and partly in section of the wheel flange contacting element the section being thru the distributor approximately on the line 4-4 of Figure 5.

Figure 5 is a view partly in elevation and partly in section of the ilange engaging wheel.

The flange oiler forming the subject matter of my invention comprises a substantially circular oil reservoir a consisting of a body portion l0 and a top cover plate Il adapted to be secured to the body portion by means of a plurality of bolts I3 or the like extending through holes provided in the cover plate Il and threadedly engaging a flange 9 formed on the top edge of the circumferential wall of the body portion I0 and extending inwardly therefrom at a right angle.

An outwardly extending circumferential ange I4 is formed at the loweredge of the body portion I0 and is provided with a plurality of holes l5 therein, permitting screws I6 to extend therethrough and to engage the truck c.

The numeral I1 designates an elongate pump block having a substantially rectangular Vertical cross section and a substantially rectangular longitudinal vertical section, which block is secured to the bottom and inside of the body portion ID by means of a plurality of screws I8 ex' tending through holes provided in a surrounding flange I9 formed on and extending outwardly from the bott-om corner of the pump block l'l, so that the bottom of the pump block is supported at a distance above the bottom of the body portion l0, when the pump block is placed into working position in said body as shown in Figure 3.

Adjacent to one end of the pump block an upwardly extending bearing block 20 is formed and is provided with a downwardly extending blind bore 2|, on the bottom of which a ball thrust bearing 22 or the like is mounted.

Centrally of the pump block part next to said blind bore, a bearing bore 23 extends downwardly through said block and at each side of said bearing bore 23 two cylinder bores 24 and 25 respectively extend downwardly through the block.

The lower end of the central bearing bore 23 opens through the bottom of the block and is tapped and a screw plug 2S is adapted to be screwed into the tapped end of the bearing bore to close the same.

A helical spring 2l is inserted in the bearing bore 23 and rests on the screw plug 26. On the upper end of the helical spring 27 a ball thrust bearing 28 or the like is arranged to support a cam shaft 2t extending upwardly through the bearing bore 23 into the oil reservoir a.

The lower end of each cylinder bore 24 and 25 opens through the bottom of the block and is tapped and a screw plug 3! is screwed into each of these tapped cylinder bore ends.

Each cylinder screw plug 30 is provided with a central hole 3i, the lower end of which tapers downwardly to form a valve seat for a ball check valve 32 arranged in said hole.

In the upper end of each hole 3l, a pair of diametrically inwardly extending prongs 33 may be provided permitting free play of the ball valve but preventing it from escaping from the hole in the cylinder screw plug.

On top of each of these cylinder screw plugs, a helical spring 3:2 is arranged urging a piston 35 upwardly, which is reciprocally mounted in the corresponding cylinder bore 24 or 25.

The top of the upper end of each piston 35 is provided with a Semi-globular hollow 35 adapted to receive a hardened steel ball 3l therein.

The top end of each piston 35 is threaded and a retainer ring 38 is adapted to be screwed onto each piston to keep the corresponding bearing ball 31 in position while permitting rotary movement of said ball.

A drive shaft 39 is rotatably located in the blind bore 2|, rests on the ball thrust bearing 22, and extends upwardly through a brass bushing i5 extending through and secured in a hole 4l provided in the cover plate Ii coaxially with the blind bore 2i in the pump block Il, so that the brass bushing i5 serves as bearing for the drive shaft`39.

A comparatively large spur gear 42 is rigidly mounted on the drive shaft 39 justl above the top of the bearing block 2i! of the pump block Il.

A pinion 6.3 is rigidly mounted on the cam shaft 29 and meshes with the spur gear 2.

The pinion i3 is considerably wider than the spur gear 42 for a purpose to be described hereinafter.

Underneath the pinion 43 a cam disk b is rigidly mounted on the cam shaft 29.

Coaxially with the bearing bore 23 a tapped hole 44 is provided in the top cover plate Il and an outwardly threaded bearing bushing 45 engages said threaded hole and extends inwardly into the oil reservoir il).

A ring ball thrust bearing 45 surrounds the cam shaft 29 and rests on the upper end surface of the pinion d3.

The upper end of the cam shaft 2 extends into the bearing bushing i5 and is rotatable therein.

lThe bearing bushing is provided on its upper end with a hexagonal head It', and a jam nut il is mounted on said bearing bushing outside of the oil reservoir a.

The cam disk b has a thin ilat portion t8 adapted to engage normally the bearing balls 3l of the pistons 35.

One portion i9 of the cam disk b is heavier or thicker than the main portion 48 and is adapted to engage the bearing balls 31 of the pistons 35 in the two cylinders 24 or in the cylinders 25 under conditions to be described later and to force these pistons downwardly in their cylinders.

On the uppermost end oi the drive shaft 39, a crank arm 5B is secured by means of a corrugated clamp 5I formed on said crank arm and adapted to be operated by a clamp bolt 52.

A hook shaped bracket 53 is bolted onto the bottom of the coach body 54 and a connecting rod 55 is attached with one of its ends to said bracket by means of a ball joint 55, and with its other end by means of a second ball jointl 5l to the free end of the crank arm 5b.

Each cylinder 2li and 25 is equipped adjacent to its lower end with an outlet nipple 58. A ball check valve 59 is mounted on each nipple 58 permitting liquid to flow out of the cylinder under pressure eventually exerted by the cylinder but preventing such passage of liquid under normal conditions.

A pipe is secured to each ball check valve 59 and leads through the circumferential Wall of the oil reservoir.

Leakage of oil from the reservoir throughthe several openings in the reservoir is prevented by packing the pipes passing through said opening in any preferred conventional manner.

A clamp bracket 6l is adjustably secured to each side of the brake post 62 provided on the truck c for each wheel d in any conventional manner. A pair of bracket plates 53 is secured to each clamp bracket 5| adjacent to its upper end, and the plates of each pair are spaced from each other and are provided with coaxial holes 64. A bracket pin G5 is supported in these holes and extends between each pair of bracket plates, to which each pinis secured.

On each bracket pin a pair ci' distributor arms E6 is pivotally mounted, and in coaxial holes 6l provided in the distributor arms adjacent to ther' free ends a short shaft 58 is located.

An oil distributor e is shaped similar to a spool and is provided with two circular end flanges 69 and a body 78. The oil distributor is formed so that the ange 'H of the coach wheel d its into the space between the two end flanges 469 of the distributor e, which is provided with a central bore 12 having a counterbore 'I3 on each of its ends.

The outer race of a ball bearing unit 74 is arranged in the counterbore 13 and is secured therein.

Through each bore 12 one of the shafts `68 extends and the inner races of the ball bearings 'M are secured to the said shafts 63, which are located as stated above, in the holes 61 in the free ends of the distributor arms 66.

Each shaft extends beyond the corresponding oil distributor arms 66 and the end of each shaft is threaded. Jam nuts 15 on these threaded ends engaging the corresponding distributor arm `65 prevent rotary movement of said shaft.

A plurality of distributing pockets 'I6 is provided in the inner face of the outer endflange S9 of each distributor e.

On each distributor arm 55 which is adjacent to the inner flange 69, an oil delivery pipe 'Il is mounted by meansvof a nozzle clamp 18 of any preferred conventional construction.

On the outer end of each delivery pipe 'Il a nozzle 'IQ is secured and between each nozzle and corresponding'delivery pipe a ball check valve 30 is provided, adapted to close the outlet of said pipe automatically unless pressure in the opens the valve.

On the inner end of each delivery pipe 11 a hose 8| is attached, the other end of which connects with one of the pipes 60 leading from one of the cylinders 24 or 25.

The end of the nozzle 19 is arranged at the inner side of the outer end iiange 69 of one of the oil distributors e, in a position where oil ejected from the nozzle will enter the pockets 'I6 in the distributor and will oil the ange 7| of the coach wheel d.

To keep the distributor e in contact with the wheel d a g-uide bracket 82 extends from'the clamp bracket 6| and is provided adjacent its free end with a vertical hole 83, through which a bolt 84 or the like extends upwardly between each pair of distributor arms 66. 1

A transverse block 85 is arranged across Veach pair of these arms 66 and is provided with a vertical hole 86 permitting the bolt 84 to extend therethrough. The upper portion of said bolt is surrounded by a helical spring 81 abutting with its lower end on the transverse block 85 and with its upper end on a nut 88 mounted adjustably on thefupper end of the bolt 84, so that the Apressure of the helical spring 81 maybe regulated by said nut.

The above description shows clearly that the automatic ilange oiler according to my invention operates as follows: y

The" cover plate is provided with a tapped hole 89, through which oil may be introduced into the reservoir a. The hole 89 is normally closedjby a screw plug 99.

A drain opening 9| is provided in the circumferential wall l of the reservoir a adjacent the bottom thereof. This drain opening is tapped and is'normally closed by a second screw plug 92.

To observe the amount of oil contained in the reservoir a glass gage 93' of well known construction is provided on and communicates with the reservoir a. l

pipe

As long as the truck c supporting the coach' body 54 travels on a straight track, so that the coach body and the truck extend parallel to each other,fall pistons 35 are arranged in raised position in the cylinder bores 24 and 25 under the upward pressure of the helical springs 34, since the cam disk b is arranged so that the thin flat portion 48 is in engagement with the balls 31 on top of the pistons 35.

When the truck c enters a curve of the track it is pscillated relative to the coach body 54, rotating the spur gear 42 by means of the crank arm 50. Since the pinion 43 is in mesh with the spur gear 42, the cam shaft 29 is rotated and the cam disk b is rotated therewith forcing` the pistons 135 on the outside of the track'` curve downwardly, expelling the oil in the correspond- .v ing cylinders through the pipes 60, the hoses 8|,

pipes y1`| and the nozzles 19 on to the oil distributors e. The oil enters the pockets 16 in said distributors which are rotated by means of friction by the coach wheels d, and is fed therefrom to and oils the flanges of said wheels.

As soon as the truck again enters a straight stretch of track, it is oscillated into a position parallel to the coach body, rotating the cam disk into position permitting the? helical springs 34 to force the pistons upwardly in their cylinders, thereby sucking oil from the reservoir into the cylinders.

Having described my invention I claim as new and desire to secure by Letters Patent:

1. In an automatic oiler for the flanges of car wheels, a pair of parallel arms pivotally mounted above and forwardly of a wleel, a grooved distributing roller journalled between said arms and straddled over the flange of said wheel for rolling contact therewith, one of the flanges of said roller having a circular series of pockets opening toward the wheel flange, a tube extending along one of said arms having ari-end connected with an oil supply, clamp meansV for securing said tube to said arm, a nozzle at the free end of said tube and positioned to discharge oil into said pockets, and spring tensioned means having bearing on the upper sides of said arms to resiliently maintain said roller in contact with the flange of said wheel.

2. The invention as defined in claim 1, with a supporting bracket for said arms, an angled portion extending laterally from said bracket below the point of pivot of said arms, and the said spring tensioned means comprised in a bolt rising from said angled portion between said arms, a transverve block of triangular cross section slidably mounted on said boltand bearing on the upper sides of said arms,` a coil spring on said bolt and bearing against the Iupper side of said block, and a nut on the upperend of said bolt for adjusting the tension of said spring.

HENRY O. MURPHREE.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Y Date 830,241 Cole L Sept. 4, 1906 1,317,449 McClure Sept. 30, 1919 1,407,086 Roberts Feb. 21, 1922 1,490,992 Fisher Apr. 22, 1924 1,660,899 Tillery Feb. 28, 1928 1,820,266 Bilderbeck Aug. 25, 1931 1,877,848 Gilliam Sept. 20, 1932 1,887,685 Kaegebein Nov. 15, 1932 1,935,933 Blanchard Nov. 21, 1933 1,979,056 Sims Oct. 30, 1934 FOREIGN PATENTS Number Country Date 25,346 Great Britain Feb. 26, 1928

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