EP0015582B2 - Dispositif de freinage pour véhicules ferroviaires - Google Patents

Dispositif de freinage pour véhicules ferroviaires Download PDF

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Publication number
EP0015582B2
EP0015582B2 EP80101225A EP80101225A EP0015582B2 EP 0015582 B2 EP0015582 B2 EP 0015582B2 EP 80101225 A EP80101225 A EP 80101225A EP 80101225 A EP80101225 A EP 80101225A EP 0015582 B2 EP0015582 B2 EP 0015582B2
Authority
EP
European Patent Office
Prior art keywords
brake
lever
vehicle wheel
braking device
connecting rod
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
Application number
EP80101225A
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German (de)
English (en)
Other versions
EP0015582A1 (fr
EP0015582B1 (fr
Inventor
Julius Nadas
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.)
Knorr Bremse AG
Original Assignee
Knorr Bremse 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
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Application filed by Knorr Bremse AG filed Critical Knorr Bremse AG
Publication of EP0015582A1 publication Critical patent/EP0015582A1/fr
Application granted granted Critical
Publication of EP0015582B1 publication Critical patent/EP0015582B1/fr
Publication of EP0015582B2 publication Critical patent/EP0015582B2/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • B61H1/003—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 with an actuator directly acting on a brake head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H13/00—Actuating rail vehicle brakes
    • B61H13/34—Details
    • B61H13/38—Suspension of transmitting mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H15/00—Wear-compensating mechanisms, e.g. slack adjusters

Definitions

  • the invention relates to a braking device for rail vehicles, with two brake pads that can be pressed onto diametrical locations on the tread of a vehicle wheel, in accordance with the type specified in the preamble of claim 1.
  • Connecting rods and lever devices designed in this way represent a great outlay in terms of material and production and require a correspondingly large dimensioning of the levers and supporting bolts attached to their ends.
  • FR-A 1463955 and 2038525 show such a design of a brake device: the one brake lever carrying the brake cylinder is very strong, housing-like or plate-like, while the other brake lever is apparently cranked to the side.
  • a braking device of the type mentioned at the outset is also known, in which the brake lever carrying the first brake block is arranged obliquely crossing the vehicle wheel plane;
  • the brake lever carrying the brake cylinder is designed to be pivotable in a vertical plane in accordance with the aforementioned FR-A 1463955, the connecting rod being articulated on a lower, lateral bend in this brake lever, which is very heavy and requires a lot of material, in order to absorb the bending and torsional stresses.
  • 1 to 3 ' shows a vehicle frame 1 (not shown in more detail), on which two articulation points 3 are formed for one brake lever 5 and 5' each.
  • a brake pad 7 is articulated in the central area of the brake levers 5, 5 '.
  • the housing of a brake cylinder 9 is rigidly attached in the lower region of the brake lever 5 ' .
  • a piston rod 11 of the pulling brake cylinder 9 is coupled to one side of an automatic linkage adjuster 13.
  • the other side of the linkage adjuster 13 is articulated via a connecting rod 15 to the lower end of the brake lever 5.
  • Linkage adjuster 13 and connecting rod 15 are guided approximately horizontally past the side of a vehicle wheel 17.
  • the brake lever 5' has an inclined position crossing the vehicle wheel plane.
  • the lever 5 ' and this also applies to the non-visible, also inclined lever 5 on the other side of the vehicle wheel circumference, is attached to one end of a tubular bearing shell 5 ", which is arranged between two bearing eyes 43 which are fixed to the vehicle wheel center plane 45 and are fixed to the vehicle Articulation point 3 forms.
  • FIGS. 2, 2 ' A second exemplary embodiment of the subject matter of the invention can be seen from FIGS. 2, 2 '.
  • the housing of a brake cylinder 9, which is designed to press here is firmly attached to the brake lever 5 '.
  • a transmission lever 33 is articulated approximately in the center.
  • the piston rod (not shown) of the brake cylinder 9 is articulated.
  • the lower end of the transmission lever 33 which is articulated with its central section on the brake lever 5 ', is connected to a functional part of the adjuster 13 via a linkage point 37.
  • the lower end of one leg of the double-leg brake lever 5 ' carries an extension 35 which ends laterally of the functional part of the linkage adjuster 13.
  • the limiting surface of this extension 35 directed towards the adjuster 13 carries a control stop 31 '.
  • the control stop 31 assumes the distance dimension A, which is proportional to the brake release play, to the annular, opposite end face of the adjuster 13.
  • FIGS. 3, 3 ' A further exemplary embodiment can be seen from FIGS. 3, 3 '.
  • the brake cylinder 9 is arranged on the side of the inclined brake lever 5' crossing the vehicle plane and is rigidly and firmly connected to the brake lever 5 '.
  • a transmission lever 39 is aligned parallel to the vehicle wheel plane, articulated with its lower end of the brake lever 5 '.
  • the upper end of the transmission lever 39 is connected in an articulated manner to the piston rod (not shown) of the brake cylinder 9 which is directed away from the vehicle wheel.
  • a linkage point for the functional part of the slack adjuster 13 is formed near the middle section of the transmission lever 39, which is in turn connected to the brake lever 5 via the connecting rod 15 (not shown).
  • a control stop 41 is formed on the side of the brake lever 5 ′ facing the linkage adjuster 13, the distance dimension A from the opposite, annular end face of the linkage adjuster 13 when the brake is released.
  • the lower end of the inclined brake lever 5 or 5 'crossing the vehicle wheel plane assumes such a position that the connecting rod 15 connecting the lever ends with adjuster 13 on the side of the vehicle wheel and at a corresponding distance can be led to its outer boundary surface.
  • the articulation point of the brake pads 7 is arranged in all of the designs shown in FIGS. 1 ' , 2' and 3 ' with preferably a horizontal axis of rotation at the point at which the central portion of the brake lever 5 or 5', the center 45 of the tread 18 of the Vehicle wheel 17 crossed.
  • This design also applies to the double-leg design of the brake lever 5, 5 'shown in FIGS. 2, 2'.
  • the arrangement of the brake cylinder in the last exemplary embodiment is offset laterally with respect to the vehicle wheel center plane.
  • the adjuster 13 is actuated at the latest during the release stroke.
  • the piston rod of the pressurized brake cylinder 9 acts on the upper end of the transmission lever 33.
  • the lower end of the transmission lever 33 pulls over the articulation point located in the middle region of the transmission lever 33 between the two legs of the double-leg brake lever 5' by means of the articulation point 37 via the linkage adjuster 13 and the connecting rod 15, the brake lever 5 located diametrically to the brake lever 5 'and its brake block 7 on the vehicle tread.
  • This pulling movement of the connecting rod 15 to the right can only take place via the brake pad 7 of the brake lever 5 'coming into contact with the vehicle wheel. If the lower end of the brake lever 5 ' (articulation point 37) executes a swiveling stroke which exceeds the distance dimension A, the linkage adjuster 13 is activated to shorten the connecting rod 15.
  • the adjuster 13 experiences its actuation during the following release stroke in the sense of a shortening of the connecting rod 15.
  • the braking device according to the invention allows a parking brake to be accommodated, for example in the form of a spring-loaded brake cylinder.

Landscapes

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

Claims (6)

1. Installation de freinage pour des véhicules sur rails comportant deux sabots de frein (7) susceptibles à être appliquées en deux emplacements diamétralement opposés de la surface de roulement d'une roue de véhicule (17) dont le premier sabot de frein est articulé dans la partie médiane d'un levier de frein (5) relié à basculement, par son extrémité supérieure, au châssis de véhicule (1), disposé obliquement et croise le plan de la roue de véhicule (45), alors que le levier (5) est articulé par son extrémité inférieure à une extrémité d'une bielle de liaison (15) guidée latéralement par rapport à la roue de véhicule et s'étendant vers l'autre côté périphérique de celle-ci, et parmi lesquels le second sabot de frein (7) est articulé dans la partie médiane d'un levier de frein (5') monté avec articulation fixe sur le châssis du véhicule et porte un cylindre de frein (9) dont le piston de frein agit directement ou indirectement sur l'autre extrémité de la bielle de liaison (15), la réalisation étant telle qu'il est prévu sur la bielle de liaison un régleur automatique de la timonnerie (13) servant à maintenir le jeu de desserrage des sabots de frein (7), caractérisé par le fait que le levier de frein (5') qui porte le cylindre de frein (9) possède, lui aussi, une position oblique qui croise le plan de la roue de véhicule (45), la position oblique étant la même que celle pour le levier (5) qui porte le premier sabot de frein (7).
2. Installation de freinage selon la revendication 1, caractérisée par le fait que dans le levier de frein (5') est intégré un levier multiplicateur (33) ayant la même position oblique.
3. Installation de freinage selon la revendication 1, caractérisée par le fait que le levier de frein (5') est attaqué par un levier multiplicateur (39) en position angulaire avec la position oblique dudit levier de frein (5').
4. Installation de freinage selon la revendication 3, caractérisée par le fait que le cylindre de frein (9) est disposé latéralement par rapport au levier de frein (5') et son axe longitudinal se situe dans le plan de basculement du levier multiplicateur (39).
5. Installation de freinage selon les revendications 3 et 4, caractérisée par le fait que l'extrémité inférieure du levier multiplicateur (39) est articulée sur l'extrémité inférieure du levier de frein (5') et qu'environ sur la partie médiane du levier multiplicateur (39) est articulée la bielle de liaison (15) ou un élément actif du dispositif de réglage de la tringlerie (13).
6. Installation selon les revendications 1 à 5, caractérisée par le fait qu'en face d'une surface frontale annulaire formée sur le dispositif de réglage de la tringlerie (13) et déclenchant le fonctionnement de ce dernier est prévue une butée de commande (31) conformée au niveau de certaines parties du carter du cylindre de frein (9), ou une butée de commande (31') conformée au niveau d'un appendice inférieur (35) du levier de frein (5'), ou une butée de commande (41) conformée du côté du levier de frein (5') tourné vers la roue de véhicule, située à une distance A de ladite surface frontale annulaire, proportionnelle à la course d'application des sabots de frein.
EP80101225A 1979-03-12 1980-03-11 Dispositif de freinage pour véhicules ferroviaires Expired EP0015582B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792909582 DE2909582A1 (de) 1979-03-12 1979-03-12 Bremseinrichtung fuer schienenfahrzeuge
DE2909582 1979-03-12

Publications (3)

Publication Number Publication Date
EP0015582A1 EP0015582A1 (fr) 1980-09-17
EP0015582B1 EP0015582B1 (fr) 1981-10-21
EP0015582B2 true EP0015582B2 (fr) 1984-05-09

Family

ID=6065106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80101225A Expired EP0015582B2 (fr) 1979-03-12 1980-03-11 Dispositif de freinage pour véhicules ferroviaires

Country Status (3)

Country Link
EP (1) EP0015582B2 (fr)
BE (1) BE892508Q (fr)
DE (2) DE2909582A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2937752A1 (de) * 1979-09-19 1981-04-02 Knorr-Bremse GmbH, 8000 München Bremseinrichtung fuer schienenfahrzeuge
DE3904013A1 (de) * 1989-02-10 1990-08-16 Knorr Bremse Ag Klotzbremseinrichtung fuer schienenfahrzeuge
GB8919661D0 (en) * 1989-08-31 1989-10-11 Univ Alberta Superoxide dismutase-catalase conjugates
GB9013052D0 (en) * 1990-06-12 1990-08-01 Hunslet Barclay Limited Braking apparatus
RU2478505C1 (ru) * 2011-07-19 2013-04-10 Открытое акционерное общество "Транспневматика" Механическая часть тормоза железнодорожного транспортного средства
RU2581795C1 (ru) * 2014-10-13 2016-04-20 Общество с ограниченной ответственностью "Уральское конструкторское бюро вагоностроения" Способ регулировки тормозной рычажной передачи вагона
CN105485210A (zh) * 2016-01-04 2016-04-13 安徽省振华科技工业有限公司 液压制动器
RU167607U1 (ru) * 2016-01-12 2017-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Самарский государственный университет путей сообщения" (СамГУПС) Рычажная передача тормоза рельсового транспортного средства
RU2659361C2 (ru) * 2016-03-16 2018-06-29 Общество с ограниченной ответственностью "Всесоюзный научно-исследовательский центр транспортных технологий" Способ регулировки тормозной рычажной передачи и приспособление для его осуществления
RU181762U1 (ru) * 2017-11-21 2018-07-26 Акционерное общество Научно-исследовательский и конструкторско-технологический институт подвижного состава (АО "ВНИКТИ") Тормозная рычажная передача тележки рельсового транспортного средства
CN108372868A (zh) * 2018-04-16 2018-08-07 安徽车安科技有限公司 一种地铁机车制动装置
CN112440966A (zh) * 2019-09-04 2021-03-05 中铁十六局集团有限公司 一种内燃机车的制动系统
CN110733529A (zh) * 2019-11-06 2020-01-31 中车大连机车车辆有限公司 角度调整装置及包含其的机车端部联管固定防尘器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE149198C (fr) *
US2205211A (en) * 1938-07-11 1940-06-18 Chicago Railway Equipment Co Railway brake gear structure
FR2038525A5 (fr) * 1969-03-18 1971-01-08 Westinghouse Freins & Signaux
DE2050894C3 (de) * 1970-10-16 1975-01-30 Rheinstahl Ag, 4300 Essen Doppelklotzbremse für Schienenfahrzeuge mit Einzelradabbremsung, insbesondere Schienenfahrzeuge mit Drehgestellen
SE386629B (sv) * 1974-11-15 1976-08-16 Bromsregulator Svenska Ab Enhjulsblockbroms for ett jernvegsfordon
DE2823843C2 (de) * 1978-05-31 1985-11-14 Knorr-Bremse GmbH, 8000 München Bremseinrichtung für Schienenfahrzeuge

Also Published As

Publication number Publication date
EP0015582A1 (fr) 1980-09-17
DE3060041D1 (en) 1981-12-24
DE2909582A1 (de) 1980-09-25
EP0015582B1 (fr) 1981-10-21
BE892508Q (fr) 1982-07-16

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