US3220358A - Railway car truck with elastic torsion blocks - Google Patents

Railway car truck with elastic torsion blocks Download PDF

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Publication number
US3220358A
US3220358A US108326A US10832661A US3220358A US 3220358 A US3220358 A US 3220358A US 108326 A US108326 A US 108326A US 10832661 A US10832661 A US 10832661A US 3220358 A US3220358 A US 3220358A
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US
United States
Prior art keywords
frame
blocks
axle
links
vertical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US108326A
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English (en)
Inventor
Peras Lucien
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renault SA
Original Assignee
Renault SA
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Filing date
Publication date
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/22—Resilient suspensions characterised by arrangement, location or kind of springs having rubber springs only
    • 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
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/04—Bolster supports or mountings
    • B61F5/08—Bolster supports or mountings incorporating rubber springs
    • 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
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
    • B61F5/301—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating metal springs
    • B61F5/304—Torsion-bar springs
    • 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
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
    • B61F5/305—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating rubber springs
    • 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
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
    • B61F5/32—Guides, e.g. plates, for axle-boxes

Definitions

  • This invention relates to suspension systems of vehicles which comprise torsion-stressed elastic blocks, and is applicable notably to suspension systems of railway rolling stock.
  • this invention aims at providing, in a suspension incorporating torsion-stressed elastic blocks, irrespective of the structure of these blocks, a kinematic connection between the sprung and unsprung elements of the vehicle which is adapted to avoid the application of important radial compressive stresses on these blocks during the vertical movements of the suspension.
  • the application of considerable radial stress on said torsion-blocks may be considered as inconsistent ⁇ with the proper holding tot the rubber or like elastic material constituting the deformable element of these blocks.
  • FIGURE 1 is an elevational end View of a railwaycar suspension comprising co-operating elastic torsionstressed blocks;
  • FIGURE 2 is a cross secti-onal view of railway-car suspension according to the invention taken upon line II II of FIG. 1;
  • FIGURE 3 is a sectional view of the railway-car suspension according to the invention taken upon line III- IlI of FIG. l;
  • FIGURE 4 is a detail view showing on a large scale a modified form of embodiment of the suspension illustrated in FIG. l;
  • FIGURE 5 is a side elevational view of the same suspension, as seen in the direction of the arrow V of FIG. 4;
  • FIGURE 6 is a detail view showing another modification ot the suspension of FlG. l;
  • FGURE 7 is a side elevational view of the same arrangement, as seen in the direction of the arrow VII of PEG. 6;
  • FIGURE 8 is an elevational end view showing an alernate form ot embodiment of a suspension in which only elastic blocks carried by the unsprung element are used;
  • FIGURE 9 is a similar view showing a modified form of embodiment of a suspension system wherein the elastic blocks are also carried by the unsprung element.
  • FIGURE l0 is a section taken upon the line X-X of FEG. 9.
  • the reference numeral 1 designates, the axle box or case, and 2 is the frame of the vehicle, the suspension system of this invention, comprising co-operating torsionstressed elastic blocks 3 and 4, being interposed between the axle box 1 and the frame 2.
  • torsion-stressed blocks are an integral part of a double parallel link suspension system disposed longi- 3,220,358 Patented Nov. 30, 1965 tudinally between the box or case 1 and a pair of vertical links 5 on which the frame of the vehicle is caused to bear.
  • These links are formed in relation t-o the frame 1 with upper and lower lateral guide plates 6 and 7, respectively; moreover, they are adapted to iloat longitudinally relative to the chassis 2.
  • the proper positioning of the axle box in relation to the frame is obtained in this case by means of a connecting-rod 8 which absorbs the reaction between the chassis and the axle box, that is between the chassis :and the axle, caused by the brake applications and by the driving torque in the case of a power axle.
  • This axle box is also provided with a pair of safety flanges 9 adapted to limit its transverse displacements in relation to the frame provided to this end with registering check members 10.
  • the elastic blocks 3 :and 4 adapted to act as suspension springs may be selected from any of the existent types of such blocks known to persons skilled in the art, which blocks consist essentially of a pin end and a Irigid casing or shell surrounding the pin, there being arranged between the casing and the pin one or more elastic members made of rubber or other similar material, which counteract by torsional elasticity any relative angular movement between the casing and the pin of the block.
  • the torsion blocks 3 and 4 may be of the known type illustrated in FIGURE l, in which said blocks 3 and 4 are respectively composed of resilient elements 30 and 40 disposed at the interior of a rigid casing 31 and 41 around a hub 32 and 42 rigidly associated for rotation about a pin 11 and 12.
  • the above-mentioned connection in parallelo gram is established by a .rigid assembly of casings 31 and 41, as by welding, whereas the pins 11 and 12 are mounted and held against rotation respectively on axle box 1 and vertical links 5.
  • the elastic blocks 3, 4 are subjected to torsional stresses and the links 5 move longitudinally in relation to the frame.
  • the mounting of the links 5 in floating relation thus permits eliminating the compressive stresses exerted on the blocks which would be caused, in the absence of such a floating arrangement, by the variation of the spacing between the pin-s 11 and 12 during the vertical movements of the suspension.
  • the centres by which this frame bears on said links are equally spaced on the axes AB and AB from the axes of pins 11 and 12 carrying the elastic blocks, the radial compressive stresses exerted on these blocks will be -reduced to a minimum.
  • This torque reaction is actually compensated, in the suspension system illustrated by the sense torque reaction 16 resulting from the selection of the load application points P on the links 5, so that the radial stresses exerted on the elastic blocks are effectively reduced to a minimum.
  • FIGS. 4 and 5 An alternate form of embodiment is illustrated in FIGS. 4 and 5 and consists in utilizing a roller 17 as a bearing element for each link 5 as a substitute for the convex sliding surface 13 for reducing the frictional contact between the link 5 and the frame 2.
  • This invention is also concerned with a suspension system of this general type but utilizing only simple elastic blocks.
  • FIG. 8 illustrates a form of embodiment wherein the double parallel-link connection between the axle case 1 and the vertical links S comprises only torsion blocks 3 carried by the axle box.
  • the outer cases (similar to outer cases 31 of FIG. l) of these blocks are connected to the links 5, in this case, by means of lugs 21 pivoted freely on pins 22 solid with said links (that is, without any torsional effect in relation to the preceding case).
  • centres by which the frame 2 bears on the links 5 must lie on the axes CD, CD' intersecting the axes of the pivot pins 22 of lugs 21, as shown in the drawing, in order to reduce to a minimum the radial compressive stresses exerted on the torsion blocks 3.
  • bearing points may be arranged as in the preceding case with the same alternate modifications as those already set forth.
  • FIGS. 9 and l0 An alternate form of embodiment is illustrated in FIGS. 9 and l0 wherein the loads may also be applied to the links 5 in the form of a downward traction obtained in this case with the assistance of small links 23 pivoted freely by one end on the frame, by means of pins 24, and by the other end on the main links 5, by means of pins 25. It is evident that these links 23 permit in all cases the longitudinal floating movements of the links 5, and as in this example simple elastic torsion blocks 3 are used, the pivot pins of the small links 23 are positioned on the axes CD, CD.
  • a truck having a frame and at least one axle supporting said frame, axle boxes at each end of each said axle, a guide means provided between the axle boxes and the frame, each axle box having parallel vertical links disposed adjacent the front and rear of the axle boxes, means on said vertical link supporting said frame and spacing said axle box therefrom, parallel longitudinal connection means coupling the vertical links with the f-ront and rear of the axle boxes, said vertical links and the longitudinal connection means forming an articulated parallelogram with the axle boxes, said longitudinal connection means in at least two of the four points of the articulated parallelogram including resilient torsion blocks, whereby said vertical links are mounted in floating fashion in a longitudinal direction With respect to said frame.
  • a truck according to claim 1 wherein the means on said vertical link for supporting said frame comprises a convex bearing and sliding surface carried by an end porti-on of said link.
  • a truck according to claim 1 wherein the means on said vertical link for supporting said frame comprises a roller mounted on said link, said roller acting as a bearing member.
  • a truck according to claim 1 wherein the means on said vertical link for supporting said frame comprises a pivoted sector carried by said links and acting as a bearing member, a tooth rigidly mounted on said frame and depending therefrom, said sector being formed with a notch having the form of an involute of curve which is engaged by said tooth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Springs (AREA)
US108326A 1958-05-07 1961-05-08 Railway car truck with elastic torsion blocks Expired - Lifetime US3220358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR765109 1958-05-07

Publications (1)

Publication Number Publication Date
US3220358A true US3220358A (en) 1965-11-30

Family

ID=8706462

Family Applications (1)

Application Number Title Priority Date Filing Date
US108326A Expired - Lifetime US3220358A (en) 1958-05-07 1961-05-08 Railway car truck with elastic torsion blocks

Country Status (5)

Country Link
US (1) US3220358A (fr)
DE (1) DE1269637B (fr)
FR (1) FR1195740A (fr)
GB (1) GB920833A (fr)
OA (1) OA01628A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839969A (en) * 1971-11-25 1974-10-08 Wegmann & Co Elastomerically mounted axle boxes
US4166611A (en) * 1976-09-16 1979-09-04 Waggonfabrik Uerdingen A.G. Werk Dusseldorf Railway vehicle spring assembly
US4569291A (en) * 1980-05-23 1986-02-11 Societe M.T.E. Articulated bogie
US20050051938A1 (en) * 2003-09-04 2005-03-10 Greg Gehret Suspension assembly having multiple torsion members which cooperatively provide suspension to a wheel
US20060172833A1 (en) * 2005-02-02 2006-08-03 Kitzmiller James A Drive band tensioner having a force transmitting assembly with one or more elastic biasing members

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1186724A (en) * 1915-06-18 1916-06-13 J G Brill Co Car-truck.
US1623845A (en) * 1925-03-30 1927-04-05 Allison F H Scott End connection for vehicle springs
US2138449A (en) * 1935-07-15 1938-11-29 Gen Steel Castings Corp Railway truck structure
US2509769A (en) * 1947-01-03 1950-05-30 Metalastik Ltd Resilient mounting
US2836130A (en) * 1956-11-13 1958-05-27 Transit Res Corp Journal bearing assembly
US2915021A (en) * 1954-02-25 1959-12-01 Bleibtreu Hermann Railway truck

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE265691C (fr) *
DE621004C (de) * 1933-12-07 1935-11-08 Brueckenbau Fab F Achshalter fuer die Achsbuchsen von Eisenbahnfahrzeugen mit Abfederung in der Fahrtrichtung
US2327151A (en) * 1941-01-24 1943-08-17 American Steel Foundries Journal box and connection
BE460041A (fr) * 1943-08-19
CH269692A (de) * 1947-03-12 1950-07-15 Asea Ab Führung für Achsenlager an Schienenfahrzeugen.
BE501831A (fr) * 1950-02-08
US2758832A (en) * 1951-02-28 1956-08-14 Hickman Developments Inc Spring suspension for vehicles
US2723870A (en) * 1952-04-01 1955-11-15 Ancel S Page Hinged mounting for vehicle axles
BE537958A (fr) * 1954-05-07
US2824734A (en) * 1955-04-22 1958-02-25 Frank F Linn Vehicle axle and suspension therefor
BE558866A (fr) * 1956-07-11

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1186724A (en) * 1915-06-18 1916-06-13 J G Brill Co Car-truck.
US1623845A (en) * 1925-03-30 1927-04-05 Allison F H Scott End connection for vehicle springs
US2138449A (en) * 1935-07-15 1938-11-29 Gen Steel Castings Corp Railway truck structure
US2509769A (en) * 1947-01-03 1950-05-30 Metalastik Ltd Resilient mounting
US2915021A (en) * 1954-02-25 1959-12-01 Bleibtreu Hermann Railway truck
US2836130A (en) * 1956-11-13 1958-05-27 Transit Res Corp Journal bearing assembly

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839969A (en) * 1971-11-25 1974-10-08 Wegmann & Co Elastomerically mounted axle boxes
US4166611A (en) * 1976-09-16 1979-09-04 Waggonfabrik Uerdingen A.G. Werk Dusseldorf Railway vehicle spring assembly
US4569291A (en) * 1980-05-23 1986-02-11 Societe M.T.E. Articulated bogie
US20050051938A1 (en) * 2003-09-04 2005-03-10 Greg Gehret Suspension assembly having multiple torsion members which cooperatively provide suspension to a wheel
US6877728B2 (en) 2003-09-04 2005-04-12 Lakin Manufacturing Corporation Suspension assembly having multiple torsion members which cooperatively provide suspension to a wheel
US20050127632A1 (en) * 2003-09-04 2005-06-16 Greg Gehret Vehicle having a suspension assembly with multiple torsion members which cooperatively provide suspension
US7261287B2 (en) 2003-09-04 2007-08-28 Gkn Armstrong Wheels Vehicle having a suspension assembly with multiple torsion members which cooperatively provide suspension
US20060172833A1 (en) * 2005-02-02 2006-08-03 Kitzmiller James A Drive band tensioner having a force transmitting assembly with one or more elastic biasing members

Also Published As

Publication number Publication date
FR1195740A (fr) 1959-11-19
OA01628A (fr) 1969-09-20
DE1269637B (de) 1968-06-06
GB920833A (en) 1963-03-13

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