EP0899177B1 - Dispositif de déplacement d'un sabot de frein - Google Patents

Dispositif de déplacement d'un sabot de frein Download PDF

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Publication number
EP0899177B1
EP0899177B1 EP19970109631 EP97109631A EP0899177B1 EP 0899177 B1 EP0899177 B1 EP 0899177B1 EP 19970109631 EP19970109631 EP 19970109631 EP 97109631 A EP97109631 A EP 97109631A EP 0899177 B1 EP0899177 B1 EP 0899177B1
Authority
EP
European Patent Office
Prior art keywords
brake
brake block
triangle
locking
journals
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
EP19970109631
Other languages
German (de)
English (en)
Other versions
EP0899177A1 (fr
Inventor
Detlef Scholdan
Egbert Sonder
Peter Gielke
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.)
Deutsche Bahn AG
Original Assignee
Deutsche Bahn AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Deutsche Bahn AG filed Critical Deutsche Bahn AG
Priority to DE59707866T priority Critical patent/DE59707866D1/de
Priority to PT97109631T priority patent/PT899177E/pt
Priority to ES97109631T priority patent/ES2179245T3/es
Priority to EP19970109631 priority patent/EP0899177B1/fr
Priority to NO973084A priority patent/NO973084L/no
Publication of EP0899177A1 publication Critical patent/EP0899177A1/fr
Application granted granted Critical
Publication of EP0899177B1 publication Critical patent/EP0899177B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B61F7/00—Rail vehicles equipped for use on tracks of different width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H1/00—Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H9/00—Brakes characterised by, or modified for, their application to special railway systems or purposes

Definitions

  • Rail vehicles equipped with special wheel sets for automatic lane change for the Traffic on railways with different gauges can be overcome Significantly accelerate the system boundaries of the railways.
  • an essential condition for this is that the brake shoe soles required for braking are also automatically connected to the changed position of the Wheel arches are adjusted.
  • the brake pad changeover device takes on this task.
  • the patent document FR-A-1.455.986 describes a brake pad change-over device which, in an analogous manner, has fixed, elongated pins on which the brake pad shoe is displaceably mounted by means of a sliding sleeve.
  • the brake shoe is carried along by driver lugs of the brake shoe arranged on both sides of the wheel rim.
  • the brake pad does not have any automatically effective end position protection, so that the side drivers must constantly hold the brake pad to the wheel set.
  • the pad surfaces of the drivers are subject to high wear and tear and the drivers must also be designed to withstand high dynamic continuous loads.
  • a brake pad change-over device in which the brake pad shoe is equipped with an extended bushing and is displaceably arranged on the correspondingly long pin of the brake triangle.
  • the brake pad is carried along when re-tracking by driver lugs of the brake shoe arranged on both sides of the wheel rim.
  • a spring-loaded end position safety device which acts in a keyway in the brake triangular pin, is intended to lock the brake shoe in the respective position.
  • the guide length of the pin In order to prevent the brake shoe from tilting on the pin during the changeover, the guide length of the pin must be made sufficiently long. High bending stresses in the pin are a consequence, which can be adversely affected by the required circumferential locking grooves. Sealing the system from contamination is also problematic.
  • a further embodiment variant is the solution according to patent specification DD 26970, in which the guide length of the brake shoe is ensured by a second guide in the central area of the brake triangle, which is rigid with the brake shoe.
  • the protection of the sliding surfaces from dirt and snow and the multiplicity are particularly disadvantageous.
  • the displacement of the brake shoe during braking is always only impeded by the limited spring force of the end position securing device and the frictional force in the bearing points of the brake shoe, the force in the bearing points of the brake shoe on the triangular brake pin always being equal to the braking force on the brake shoe.
  • a brake block delivery device is shown, which without additional end position safeguards.
  • a driver which is the most displaceable Axle bearing housing of the half wheel set is attached to move and secure the Brake shoe used on the pin of the brake triangle.
  • Such a system enables a relatively simple construction with high security, but is based on the special re-gauging principle of the "Talgo" system is limited and not with regard to the constructive design of the driver harmless.
  • the invention is based on the object of an automatic brake pad changing device to create which are used regardless of the design of the lane change wheel set and can safely transmit the high brake pad forces required for today's modern vehicles, is of simple construction, which is light and comprehensive from pollution, ice and Snow can be protected, has a simple suspension of the brake shoe, high Safety against unintentional changeover as a result of braking reaction forces and friction vibrations has from the braking process, especially on the controlling driver elements has little wear due to a sufficient distance from the wheel center and still can be converted with high reliability.
  • the object is achieved in that the brake block shoes, which have driving lugs with a large safety distance from the wheel rim, are arranged on a pin in the manner of conventional standard brake triangles.
  • this pin protrudes into the hollow pressure strut of the brake triangle ("hollow brake triangle") , taking into account the required increase in cross-section, and is guided there in two sliding bushes.
  • a bellows between the pin and the brake triangle protects the inner mechanism from dirt.
  • the sliding bushes in the hollow brake triangle can be arranged at a very large distance due to the spatial conditions, so that the displacement process is not endangered by self-locking.
  • the brake shoe is suspended from the base of the car or bogie frame, depending on the space available, either with spherical bolts and bushings, so that the brake shoe always adjusts slightly and the resulting transverse forces can be absorbed by the end position safety device, or by means of a displaceable device Storage, whereby drivers on the brake shoe allow the hanging iron to swing out to a certain extent. If the changeover paths are sufficiently large, the changeover of the two sides can also be carried out independently of one another, the end position securing then taking place via a spring-loaded toggle lever drive.
  • FIG. 1 shows the top view of a wheel change wheel set (1) with the section through the brake pad change-over device according to the invention in the position "track width 1 (Sp1)".
  • Fig. 2 shows the same in the “track 2 (Sp2)" position.
  • Fig. 3 shows the view of the locking mechanism.
  • Fig. 4 and 5 show variants of the locking linkage, while Fig. 6 and 7 show the possible suspension of the brake shoe (4, 4 ') on the base.
  • the lane change wheel set (1) is in position Sp1, the two drive tabs (2 and 2 'or 3 and 3') of each brake shoe (4, 4 ') have the distance s from the wheel rim (5, 5') of the wheel set ( 1).
  • the brake shoe (4, 4 ') are rotatably mounted on the pin (6, 6') and mounted with a conventional cotter pin (7) or the like.
  • the pins (6, 6 ') are in turn mounted in the brake triangle (8), the bearing points being equipped with the non-metallic sliding bushes (9, 9' and 10, 10 ').
  • the bushings (9, 9 'and 10, 10') also serve as end stops for the pin (6, 6 '), which is why it is equipped with the stops (11 or 11' and 12 or 12 ').
  • the stop (12, 12 ') can be removed, so that the pins (6, 6') can be inserted from the outside into the brake triangle (8).
  • connection point between the pin (6, 6 ') and the brake triangle (8) is protected from the weather and dirt by a rubber bellows (13 or 13').
  • the drivers (14, 14 ') are screwed onto the ends of the pins (6, 6') and act on the pin levers (16) of the locking crankshaft (17) via the sliding pieces (15, 15 '), as in FIG. 3 is recognizable.
  • This crankshaft (17) is rotatably mounted in the brake triangle (8) and at the same time carries levers (18) for the riser springs (19, 19 ').
  • FIG. 6 shows that the brake shoe (4) with the spherical bolt (20) is suspended on the pivotable brake shoe hanger (21), which in turn is suspended with a spherical bolt (22) in the brake shoe hanger bearing (23).
  • the center of the brake block hanging iron bearing (23) is in the middle (u4) of the changeover path u2 of a wheel rim (5), so that the brake block hanging iron (21) hangs at an angle.
  • the wheel rim (5) shifts by the changeover path u2, where u represents the track width difference between the two track gauges.
  • FIG. 4 Another variant of the end position design is shown in FIG. 4.
  • the inner bearing point (10, 10 ') of the pin (6, 6') designed in such a way that they are opposed by two sliding pieces (24, 24 ') the brake triangle (8) is guided and the bolts (25, 25 ') at the same time Support connecting rod (26, 26 ') to the locking crankshaft (17).
  • Fig. 5 shows - on the bolt (25, 25 ') of the toggle lever (27, 27') support, which at its end be loaded by the locking spring (19, 19 ') and thus secure the end position and the Support changeover. In this case, the locking shaft (17) without the levers (18) executed.
  • the stops (28, 28 'and 29, 29 ') of the sliding pieces (24, 24') simultaneously as a movement limitation for the end position of the pins (6, 6 ') so that they do not require any stops (11, 11' and 12, 12 '). If the condition u / 2 - 2 * s >> u / 4 must be fulfilled - this is the case with very large track width differences - this can also be the case the coupling of the two pins (6, 6 ') with the brake triangle (8) via the locking shaft (17) can be dispensed with, as shown in FIG. 5. A possible execution of the Fig. 7 shows the brake pad hanging iron.
  • the brake pad hanging iron (21) is on the side slidably arranged on the bolt (30) of the brake pad hanging iron bearing (31) and the Stops (32, 32 ') on the brake shoe (4) ensure that a certain amount is observed Pendelweg the entrainment of the brake pad hanging iron (21).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Claims (8)

  1. Dispositif de déplacement de sabots de frein pour les véhicules sur rails munis de systèmes pour le changement d'écartement automatique, constitué de deux sabots de frein (4, 4') de conception connue, munis de gonds aplatis (2, 2', 3, 3') en fonction de la jante (5, 5'), les sabots de freins (4, 4') étant logés de manière usuellement connue sur des fusées (6, 6') et le dispositif de freinage présentant un triangle de frein (8) avec une diagonale comprimée (8'), caractérisé en ce que la diagonale comprimée (8') est conçue sous forme creuse et en ce que les fusées (6, 6') sont logées de manière déplaçable dans la diagonale comprimée, par l'intermédiaire de deux points d'appui (9, 9', et 10, 10') d'une manière telle, qu'aucun blocage automatique n'entrave la capacité de déplacement.
  2. Dispositif de déplacement de sabots de frein selon la revendication 1, caractérisé en ce que les deux fusées (6, 6') d'un triangle de frein (8) sont reliées par l'intermédiaire d'entraíneurs (14, 14') ou de leviers (26, 26') et par l'intermédiaire d'un vilebrequin de verrouillage (17), lequel est logé de manière rotative dans le triangle de frein (8) ou à l'intérieur de la diagonale comprimée (8') .
  3. Dispositif de déplacement de sabots de frein selon l'une quelconque des revendications 1 et 2, caractérisé en ce que le vilebrequin de verrouillage (17) est maintenu en position finale par un ou par plusieurs ressorts de verrouillage (19).
  4. Dispositif de déplacement de sabots de frein selon la revendication 1, caractérisé en ce que les fusées (6, 6') sont équipées de butées (11, 11' et 12, 12') qui correspondent avec les douilles de glissement (9, 9' et 10, 10') dans le triangle de frein (8).
  5. Dispositif de déplacement de sabots de frein selon la revendication 1, caractérisé en ce que les ressorts de verrouillage (19, 19') maintiennent les fusées dans les positions finales, par l'intermédiaire de leviers à genouillère (27, 27').
  6. Dispositif de déplacement de sabots de frein selon la revendication 1, caractérisé en ce que les coulisseaux (24, 24') correspondent avec les butées de fin de course du triangle de frein (8).
  7. Dispositif de déplacement de sabots de frein selon la revendication 1, caractérisé en ce que les étriers des sabots de freins (21) sont disposés de manière pendulaire dans des boulons bombés (20, 22) autour de la position finale.
  8. Dispositif de déplacement de sabots de frein selon la revendication 1, caractérisé en ce que les étriers des sabots de frein (21) sont disposés de manière déplaçable sur le boulon (30) et en ce que les sabots de frein (4, 4') sont munis de butées (32, 32') correspondant à la configuration précédente.
EP19970109631 1997-06-13 1997-06-13 Dispositif de déplacement d'un sabot de frein Expired - Lifetime EP0899177B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE59707866T DE59707866D1 (de) 1997-06-13 1997-06-13 Bremsklotz-Umstellvorrichtung
PT97109631T PT899177E (pt) 1997-06-13 1997-06-13 Dispositivo para a mudanca de posicao dos calcos dos travoes
ES97109631T ES2179245T3 (es) 1997-06-13 1997-06-13 Dispositivo de traslacion de pastillas de freno.
EP19970109631 EP0899177B1 (fr) 1997-06-13 1997-06-13 Dispositif de déplacement d'un sabot de frein
NO973084A NO973084L (no) 1997-06-13 1997-07-02 Bremseklossomstillingsinnretning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19970109631 EP0899177B1 (fr) 1997-06-13 1997-06-13 Dispositif de déplacement d'un sabot de frein

Publications (2)

Publication Number Publication Date
EP0899177A1 EP0899177A1 (fr) 1999-03-03
EP0899177B1 true EP0899177B1 (fr) 2002-07-31

Family

ID=8226910

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970109631 Expired - Lifetime EP0899177B1 (fr) 1997-06-13 1997-06-13 Dispositif de déplacement d'un sabot de frein

Country Status (5)

Country Link
EP (1) EP0899177B1 (fr)
DE (1) DE59707866D1 (fr)
ES (1) ES2179245T3 (fr)
NO (1) NO973084L (fr)
PT (1) PT899177E (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2492790B1 (es) * 2013-03-08 2015-05-14 Salvador COSTA ESPARZA Eje de ancho variable para vehículos ferroviarios y su sistema automático de identificación y localización
CN104960542A (zh) * 2015-06-30 2015-10-07 包头北方创业股份有限公司 铁路货车基础制动防偏移结构
CN106915361B (zh) * 2017-03-21 2019-04-12 中车山东机车车辆有限公司 一种装用可调节单元制动装置的变轨距转向架
CN107628059B (zh) * 2017-09-01 2023-05-26 中车唐山机车车辆有限公司 一种应用于变轨距转向架的制动装置
CN110682933B (zh) * 2018-07-05 2020-07-14 中车唐山机车车辆有限公司 一种转向架及轨道车辆
CN109501831B (zh) * 2018-12-07 2024-04-26 中国铁道科学研究院集团有限公司 制动夹钳变轨装置
KR102218950B1 (ko) 2019-08-06 2021-02-24 한국철도기술연구원 궤간가변 대차에 적용되는 답면 제동장치
CN110920662A (zh) * 2019-12-20 2020-03-27 江山根咯科技有限公司 一种铁路机车内外刹车装置
ES2902457B2 (es) * 2022-01-25 2022-11-11 Variable Gauge Systems Sl Mecanismo de freno para vehiculos ferroviarios con ejes de cambio de ancho de via

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE357288C (de) * 1920-03-12 1922-08-21 Eisenbahn Feldbahn Hoch Und Ti Einrichtung zur Spurveraenderung an Eisenbahnfahrzeugen jeder Art
ES313723A1 (es) * 1965-05-25 1965-09-01 Barbera Vizcarro Jose Sistema de ejes de ruedas desplazables para vagones y coches de ferrocarril
FR91872E (fr) * 1966-12-28 1968-08-23 Ind D Soule Ets Essieux à écartement automatiquement variable pour matériels ferroviaires
CH477312A (de) * 1969-02-27 1969-08-31 Inventio Ag Umstelleinrichtung für Bremsklötze an Spurwechsel-Radsätzen

Also Published As

Publication number Publication date
NO973084L (no) 1998-12-14
EP0899177A1 (fr) 1999-03-03
ES2179245T3 (es) 2003-01-16
PT899177E (pt) 2002-11-29
DE59707866D1 (de) 2002-09-05
NO973084D0 (no) 1997-07-02

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