US3516365A - Motorized railway car truck - Google Patents

Motorized railway car truck Download PDF

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Publication number
US3516365A
US3516365A US716404A US3516365DA US3516365A US 3516365 A US3516365 A US 3516365A US 716404 A US716404 A US 716404A US 3516365D A US3516365D A US 3516365DA US 3516365 A US3516365 A US 3516365A
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United States
Prior art keywords
side frames
truck
cross
transverse
bolster
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Expired - Lifetime
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US716404A
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English (en)
Inventor
Richard L Lich
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Lukens General Industries Inc
General Steel Industries Inc
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General Steel Industries Inc
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Assigned to LUKENS GENERAL INDUSTRIES, INC.; A CORP OF DE. reassignment LUKENS GENERAL INDUSTRIES, INC.; A CORP OF DE. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: NATIONAL ROLL COMPANY
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F3/00—Types of bogies
    • B61F3/02—Types of bogies with more than one axle
    • B61F3/04—Types of bogies with more than one axle with driven axles or wheels

Definitions

  • the invention relates to railway rolling stock and consists particularly in a two-axle railway vehicle truck of the type in which a bolster, mounting body-support springs, is swivelly supported on truck framing carried by the axles.
  • the invention provides a very light weight, yet positively trammed and fully equalized truck suitable for high speed passenger service, by mounting separate side frames directly on the axle boxes, resiliently supporting a pair of transverse members each at their opposite ends from one of the side frames, forming each of the transverse members with a concave vertical pivot element at its center,
  • FIG. 1 is a plan view of one embodiment of the invention, horizontally sectionalized along line 1 1 of FIG. 3.
  • FIG. 2 is a side elevation view partially longitudinally vertically sectionalized along line 2 2 of FIG. l.
  • FIG. 3 is a transverse vertical sectional view along line 3 3 of FIG. 1.
  • FIG. 4 is an enlarged horizontal sectional view along line 4 4 of FIG. 2.
  • FIG. 5 is a plan view of another embodiment of the invention.
  • FIG. 6 is a fragmentary longitudinal vertical sectional view along line 6 6 of FIG. 5.
  • FIG. 7 is a transverse vertical sectional view along line 7 7 of FIG. 5.
  • FIG. 8 is an enlarged longitudinal vertical sectional view along line 8 8 of FIG. 5.
  • FIG. 9 is a plan view of a third embodiment of the invention.
  • FIG. l0 is a transverse vertical sectional view along line N ltl of FIG. 9.
  • FIG. ll is a plan view of a fourth embodiment of the invention.
  • FIG. l2 is a transverse vertical sectional view along line 12-12 of FIG. 11.
  • the numeral ll refers to flanged railway wheels, mounted in spaced pairs on the ends of spaced axles 3 and 5.
  • Axles 3 and 5 rotatably mount journal boxes 7 inwardly of wheels 1.
  • Journal boxes 7 are surrounded by elastomeric bushings 9.
  • Transversely spaced, longitudinally extending side frames 11 are supported on the axles at their ends, which are formed with channel section semicircular apertures 13, into which bushings 9 and journal boxes 7 are locked by semicircular end clamps 1S of similar cross section.
  • Side frames 11 are of truss configuration having vertically spaced top chords 17 and bottom chords 19 merging at their ends and connected intermediate their ends by upright columns 21, 23 and 2l arranged symmetrically lengthwise of the side frame.
  • each of the side frame columns 21 includes inner and outer longitudinal vertical webs 29 and 31, both transversely perforated at 33 to receive a pin 35, and each end portion 27 of cross-ties 25 is formed with a transverse cylindrical aperture 37 substantially larger than pin 35.
  • ⁇ a bushing assembly comprising an elastomeric bushing 39 with a metal sleeve lll is press-litted into aperture 37, surrounding pin 35, which upon insertion through the aligned side frame perforations 33 and the bushing aperture, is suitably retained in place by a cotter pin 43.
  • cross-ties 25 are formed with opposing projections 45 extending toward each other longitudinally of the truck with their transverse faces i6 spaced slightly from each other and each of the projections has, in its transverse face 4,6, a vertical, semicylindrical recess 47, recesses 47 being coaxial with each other and cooperating to pivotally receive a vertical cylindrical boss 49 depending from the center of bolster 51.
  • boss 49 is of substantially less diameter than recesses 47 and pivotally fits into a cylindrical bearing sleeve 53, between which and the walls of recesses 47 is positioned an elastomeric bushing 55 outwardly anged along its top and bottom margins to fit closely on projections ⁇ 45.
  • the upper margin of sleeve 53 is also outwardly flanged at 57 to support the sleeve on the upper surface of bushing 55.
  • a center pin 59 depends from the bolster through boss 49 and supports, on its lower end projecting therefrom a retainer disk 61 which underlies cross-tie projections 45 and is spaced vertically from the bottom thereof to avoid interference with the differential tilting movements of the two cross-ties 25.
  • Bolster 51 extends transversely in both directions from boss 49, across side frames 11, on the top chords of which it is supported by downwardly facing side bearings 63, slidably resting on upwardly facing side bearing plates 65 carried by resilient pads 67 on the side frame top chords.
  • the resilient pads 67 provide continuous vertical support of the bolster without interference by it with the necessary equalizing tilting movement of the side frames lengthwise of the truck.
  • bolster 51 mounts upright exible-wall pneumatic springs 69 on which vehicle body underframe U is supported for limited vertical and lateral movement with respect to bolster 51.
  • transverse plate-like brackets 71 and 73 depend from the bolster ends and from the underframe respectively at both sides of the truck and are connected to each other by longitudinally extending anchor links 75, which are arranged for limited universal pivoting about their end connections, to freely accommodate the relative vertical and lateral movements of the underframe and the truck.
  • bolster boss 49 and the connections at 33 between cross-ties 25 and side frames 11 define a nondeformable figure, whereby the side frames are continually maintained in perpendicular relation with the axles; i.e., the truck is maintained in tram.
  • the truck may include, in the spaces between axles 3 and and the adjacent cross-ties 25, traction motors M drivingly connected to 'and supported on the adjacent axles by gear boxes G and associated bearings.
  • traction motors M drivingly connected to 'and supported on the adjacent axles by gear boxes G and associated bearings.
  • gear boxes G For supporting the sides of motors M remote from axles 3 and 5, cross-ties 25 constituting a transom are provided With brackets 77 supportingly connected to the motor nose portions.
  • FIGS. 5-7 elements similar to those of the first embodiment are designated by the same reference characters.
  • This embodiment differs from that of FIGS. 1-4 principally in the structure by Which side frames 11 are interconnected and which form the pivot center for the bolster.
  • Side frame columns 21 are formed with transverse horizontal webs 81 projecting inwardly longitudinally of the truck and webs 81 are formed with upwardly directed frusto-conical portions 83, to the upper surface of which is secured an upwardly directed stud 85.
  • a pair of crossties 87 and 89 are formed with downwardly open inverted cups 90 at their opposite ends for overlying receipt of diagonally opposite frusto-conical portions 83 of the opposite side frames.
  • Toroidal elastomeric cushions 91 are interposed between the opposing surfaces of frusto-conical portions 83 and cross-tie end cups 90 to support the crossties on the side frames and permit some slight pivotal movements of the side frames with respect to the crossties about transverse and longitudinal axes.
  • each frusto-conical portion 83 mounts an upwardly directed stud 85, which extends through a hole 95 of larger diameter in the top of each cup 90, and an annular elastomeric pad 97 surrounding stud 85 is compressed against the top surface of cup 90 by a nut 99 and Washer 101 mounted on the stud.
  • the central portion 103 of cross-tie 87 is upwardly arched to pass over the central portion 105 of cross-tie 89 with some vertical clearance, and both central portions are enlarged and are centrally vertically cylindrically ⁇ apertured as at 107 and 109 respectively.
  • Apertures 107 and 109 are vertically aligned and mount, by means of an elastomeric bushing 55, a metal bearing sleeve S3 in which is pivotally received pivot boss 49 of bolster 51.
  • brackets 108 are connected respectively to cross-ties 87 and 89.
  • FIGS. 5-8 Operation of the embodiment of FIGS. 5-8 is similar to that of the first embodiment, except that the differential longitudinal tilting of the side frames with respect to each other is accommodated by some diagonal tipping of the crossed diagonal cross-ties 87 and 89 relative to each other permitted by the compressibility of elastomeric sleeve 55 ⁇ and by some longitudinal and transverse pivoting movements between cross-ties 87 and 89 and the side frames, permitted by the shear in the toroidal cushions 91.
  • FIGS. 9 and 10 elements common to the first and/or second embodiments are designated by the same reference characters.
  • a pair of V-shaped (in plan) cross-ties 111 and 113 are formed at their opposite ends with inverted cups 90, which are mounted on and connected to corresponding frusto-conical projections 83 on side frame columns 21, in the manner illustrated in FIG. 8.
  • the central portions 11S and 117 of cross-ties 111 and 113 respectively are enlarged and formed with vertical cylindrical apertures 119 and 121.
  • Cross tie 111 is arched suiliciently to permit its central portion 115 to overlap central portion 117 of cross-tie 113, with some vertical clearance between the two central portions, and with apertures 119 and 121 in vertical alignment to receive elastomeric bushing 53, and bearing sleeve 55.
  • an annular elastomeric pad 123 may be interposed between the opposing horizontal facesof cross-tie central portions 115 and 117.
  • Bolster boss 49 is pivotally received in bearing sleeve 55, as in the previous embodiments, and the bolster is similarly supported on the side frames.
  • the truck illustrated in FIGS. 9 and 10 is similar to those of the previously illustrated and described embodiments, except for the action of the crossties 111 and 113.
  • side frames 11 tilt longitudinally with respect to each other, they pivot slightly about their connections to cross-ties 111 and 113, 0n transverse and longitudinal axes and the cross-ties are permitted to tilt transversely of the truck with respect to each other and to bolster pivot boss 49 by the compressibility of elastomeric bushing 55 and annular pad 123.
  • FIGS. 11 and 12 elements common to the above-disclosed embodiments are designated by the same reference characters.
  • this embodiment resembles that of FIGS. 1-4 except that the transverse members or crossties 125 are formed at their ends with inverted cup-shaped terminals 90 overlying the side frame bottom chords 19, as illustrated in FIG. 8, and one end of each cross-tie is vertically bifurcated to provide a second inverted cupshaped terminal 90a overlying one of the side frame top chords 17, such that the cross-ties 125 may be connected respectively, in the manner shown in FIG. 8, to opposite side frames at vertically spaced points through cup-like terminals 90a and to the other side frame at a single point through cup-like terminals 90.
  • Operation of this embodiment is similar to that of FIGS. 1-4 except that in the present embodiment the vertical spacing of the end connections of the cross-ties respectively to opposite side frames opposes tilting of the side frame transversely and thus resists braking torque applied to the side frames by package brake units B mounted on the side frames and equipped with wheel-tread engaging brake shoes.
  • the single connection of each of the cross-ties 12S to the other side frames permits all transverse and longitudinal tilting required for equalization.
  • a railway vehicle truck comprising a pair of wheeled axles, separate transversely spaced longitudinally extending side frames supported at their ends on said axles, a pair of separate rigid continuous transverse members pivotally connected respectively at their opposite ends to said side frames for independent movement of each respectively about longitudinal and transverse axes with respect to at least one of said side frames, the connections of said transverse members to said side frames being spaced apart longitudinally of said side frames, both said transverse members being formed with cooperating central apertures, a load-supporting bolster swivelly supported on said side frames and having a central vertical pivot boss pivotally received in said cooperating apertures, there being means between said apertures and said boss to permit slight vertical tilting of said transverse members with respect to each other while preventing substantial relative movements of said transverse members in the horizontal plane whereby the cooperating central apertures and the connections of said transverse members to said side frames define horizontally rigid triangles preventing substantial movements in the horizontal plane of said side frames with respect to each other.
  • a railway vehicle truck according to claim 1 including vertically resilient means supporting said bolster on said side frames.
  • each said side frame has transversely spaced vertical webs and said transverse members have end portions disposed between said side frame webs, said webs and said end portions having aligned transverse openings, a pin passing through said aligned openings, said end portion opening being substantially larger than said pin, and a bushing of elastomeric material surrounding said pin within said end portion opening.
  • a railway vehicle track according to claim 1 including substantially upright conical surfaces on said side frames, the end portions of said transverse members being formed with mating conical recesses, an annulus of elastomeric material being compressed between each of said conical surfaces and recesses.
  • a railway vehicle truck according to claim 5 including means securing said end portions to said side frames to prevent vertical separation therebetween.
  • a railway vehicle truck according to claim 1 including separate motors individually drivingly connected to each of said axles and means supporting each said motors individually from one of said transverse members.
  • each of said transverse members is connected to the opposite side frames at points correspondingly disposed longitudinally of said side frames.
  • each said side frame has transversely spaced vertical webs, and said transverse members have their terminals bent to extend longitudinally of the truck between said side yframe webs, said webs and said ter minals having aligned transverse openings, a pin passing through said aligned openings, said terminal openings being substantially larger than said pin, and a bushing of elastomeric material surrounding each said pin within each said terminal opening.
  • a railway vehicle truck according to claim 10 including a cylindrical metal sleeve surrounding said bolster boss and positioned within said resilient bushing means.
  • a railway vehicle truck according to claim 14 in which the central portions of said transverse members are offset toward each other longitudinally of the truck from their end portions.
  • a railway vehicle truck according to claim 15 in which said transverse members are of V-shape in plan.
  • a railway vehicle truck according to claim 14 in which said cooperating apertures are each of vertical cylindrical shape and are in vertical alignment with each other.
  • each of said transverse members is connected to the opposite side frames at points disposed diagonallv of the truck with respect to each other.
  • transverse members cross each other substantially at the center of the truck.
  • said transverse members are connected at one end respectively to opposite side frames at points spaced apart vertically, and at their other end to the other side frames at a single point.
  • said connections comprise su-bstantially upright conical surfaces on said side frame chords, the extremities of said transverse members being formed with mating conical recesses, an annulus of elastomeric material being compressed between each of said conical surfaces and recesses, and means resiliently retaining said mating conical surfaces and recesses in assembled relation.
  • each of said transverse members is connected to opposite side frames at points correspondingly disposed longitudinally of the truck and said transverse lmembers are generally parallel to each other with their 7 8 central apertures substantially semicylindrical and formed FOREIGN PATENTS in their OPPOSmg suffas- 223,377 7/1959 Australia.

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  • Mechanical Engineering (AREA)
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US716404A 1968-03-27 1968-03-27 Motorized railway car truck Expired - Lifetime US3516365A (en)

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US71640468A 1968-03-27 1968-03-27

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3650219A (en) * 1969-11-24 1972-03-21 Gen Steel Ind Inc Resiliently supported articulated railway vehicle
US3858525A (en) * 1972-11-03 1975-01-07 Gen Electric Traction motor housing suspension
US3990372A (en) * 1975-02-18 1976-11-09 The Budd Company Railway vehicle articulated truck
US4090454A (en) * 1976-12-27 1978-05-23 The Budd Company Weavable railway truck
US4353309A (en) * 1979-09-06 1982-10-12 British Railways Board Motorized railway vehicle truck
US4440092A (en) * 1977-11-30 1984-04-03 Urban Transportation Development Corporation Ltd. Railway steering truck linear induction motor assembly
US4535702A (en) * 1981-07-30 1985-08-20 Ateliers De Constructions Mecaniques De Vevey S.A. Articulated railway vehicle
EP0357564A2 (fr) * 1988-08-04 1990-03-07 FIAT FERROVIARIA S.p.A. Bogie moteur pour véhicules ferroviaires
CN103010247A (zh) * 2011-09-27 2013-04-03 齐齐哈尔轨道交通装备有限责任公司 铁路车辆转向架和铁路车辆

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697A (en) * 1844-08-10 davenport
US1772928A (en) * 1928-07-27 1930-08-12 Firm Waggonfabrik Akt Ges Wheel frame for rail vehicles
US2877719A (en) * 1953-06-25 1959-03-17 Gen Steel Castings Corp Railway vehicle structure
US2908230A (en) * 1956-01-30 1959-10-13 Budd Co Railway car truck
US2925790A (en) * 1958-01-08 1960-02-23 Gen Steel Castings Corp Railway vehicle truck

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697A (en) * 1844-08-10 davenport
US1772928A (en) * 1928-07-27 1930-08-12 Firm Waggonfabrik Akt Ges Wheel frame for rail vehicles
US2877719A (en) * 1953-06-25 1959-03-17 Gen Steel Castings Corp Railway vehicle structure
US2908230A (en) * 1956-01-30 1959-10-13 Budd Co Railway car truck
US2925790A (en) * 1958-01-08 1960-02-23 Gen Steel Castings Corp Railway vehicle truck

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3650219A (en) * 1969-11-24 1972-03-21 Gen Steel Ind Inc Resiliently supported articulated railway vehicle
US3858525A (en) * 1972-11-03 1975-01-07 Gen Electric Traction motor housing suspension
US3990372A (en) * 1975-02-18 1976-11-09 The Budd Company Railway vehicle articulated truck
US4090454A (en) * 1976-12-27 1978-05-23 The Budd Company Weavable railway truck
US4440092A (en) * 1977-11-30 1984-04-03 Urban Transportation Development Corporation Ltd. Railway steering truck linear induction motor assembly
US4353309A (en) * 1979-09-06 1982-10-12 British Railways Board Motorized railway vehicle truck
US4535702A (en) * 1981-07-30 1985-08-20 Ateliers De Constructions Mecaniques De Vevey S.A. Articulated railway vehicle
EP0357564A2 (fr) * 1988-08-04 1990-03-07 FIAT FERROVIARIA S.p.A. Bogie moteur pour véhicules ferroviaires
EP0357564A3 (en) * 1988-08-04 1990-07-18 Fiat Ferroviaria Spa A motor bogie for railway vehicles
CN103010247A (zh) * 2011-09-27 2013-04-03 齐齐哈尔轨道交通装备有限责任公司 铁路车辆转向架和铁路车辆

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Publication number Publication date
BE724901A (fr) 1969-05-16

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Legal Events

Date Code Title Description
AS Assignment

Owner name: LUKENS GENERAL INDUSTRIES, INC.; A CORP OF DE.

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:NATIONAL ROLL COMPANY;REEL/FRAME:004124/0674

Effective date: 19830414