EP1097075A1 - Drehgestellbremse - Google Patents

Drehgestellbremse

Info

Publication number
EP1097075A1
EP1097075A1 EP99935257A EP99935257A EP1097075A1 EP 1097075 A1 EP1097075 A1 EP 1097075A1 EP 99935257 A EP99935257 A EP 99935257A EP 99935257 A EP99935257 A EP 99935257A EP 1097075 A1 EP1097075 A1 EP 1097075A1
Authority
EP
European Patent Office
Prior art keywords
brake
bogie
beams
wheels
actuators
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.)
Granted
Application number
EP99935257A
Other languages
English (en)
French (fr)
Other versions
EP1097075B1 (de
Inventor
Fred Emilsson
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.)
Sab Wabco AB
Original Assignee
Sab Wabco AB
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20412065&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1097075(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sab Wabco AB filed Critical Sab Wabco AB
Publication of EP1097075A1 publication Critical patent/EP1097075A1/de
Application granted granted Critical
Publication of EP1097075B1 publication Critical patent/EP1097075B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B61H15/00—Wear-compensating mechanisms, e.g. slack adjusters
    • 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
    • B61H13/00—Actuating rail vehicle brakes
    • B61H13/20—Transmitting mechanisms
    • B61H13/24—Transmitting mechanisms for cars with two axles or bogies with two axles and braking cylinder(s) for each bogie, the mechanisms at each side being interconnected

Definitions

  • the present invention relates to a bogie brake for arrangement in a rail vehicle bogie, which comprises a transverse bolster, two side frames connected to the bolster via springs, and two wheel sets, each having two wheels and being journalled for rotation in the side frames, the bogie brake comprising between the two wheel sets two transverse brake beams arranged to be pressed apart by fluid actuated means for braking engagement by brake blocks at the ends of the brake beams with the treads of the wheels .
  • Bogie brakes of the kind defined above are well known in the art and have been in commercial use for many years, especially for goods waggons in USA. Typical examples of prior bogie brakes are shown in US-A-3 088 550, 3 731 766, 4 434 877, and 5 069 312.
  • the brake beams for these bogie brakes have traditionally been heavy and clumsy con- tructions with a high degree of inherent stiffness and a capability of transferring high bending moments from the brake actuators, most often centrally located in the brake beams, to the brake blocks at their ends.
  • the brake actuators have been mounted external to or between the beams, adding to the overall weight.
  • the main object of the invention is to attain a bogie brake with a markedly reduced weight and space requirement in relation to conventional designs without sacrificing the ability to transmit the requisite brake forces to the wheel treads via the brake blocks .
  • brake actuators are arranged in the brake beams close to the wheels and are integrated in the beams, which otherwise are built up of plate profiles, which in different embodiments for example may be U-shaped or Z-shaped.
  • attachments for push rods from the brake actuators in the respective opposite brake beams are preferably incorporated as construction parts of the brake beams .
  • each brake actuator is only to be tranferred the small distance to the brake block, so that the bending moment in the beams is kept at a minimum and accordingly also the dimensional requirement on the beams. It is also of great advantage that the brake actuators (and push rod attachments) are incorporated in the brake beams .
  • the brake actuators used in the bogie brake according to the invention are preferably commercially available brake units including slack adjusters or brake regulators, so that the necessary slack adjusting function is taken care of by the brake actuators .
  • the used brake unit has a parallelepipedical shape, which makes it extremely suitable for incorporation in the brake beams of the kind described.
  • Conventional brake beams are supported at their ends by guides in the side frames, which means that the bogie brake, i.e. the brake beams with their brake actuators and associated parts, is unsprung.
  • a brake block holder at each end of each brake beam is provided with a suspension link for pivotal suspension of the beam from the bolster, which means that the bogie brake is sprung with the advantages associated therewith.
  • Each suspension link is preferably provided with a friction device known per se for keeping the brake beams in a proper position.
  • the friction devices are also able to act as resilient and damping means for the transverse or lateral movements of the brake beams.
  • the brake block holders are integrated parts of the brake beams .
  • Fig 1 is a plan view of a rail vehicle bogie provided with a bogie brake according to the invention
  • Fig 2 is a front view of the bogie brake according to Fig 1,
  • Fig 3 is a schematical side view of the bogie of Fig 1 with the bogie brake
  • Fig 4 corresponds to Fig 3 but with certain bogie parts omitted for the sake of clarity
  • Fig 5 is a front view corresponding to Fig 2 of a bogie brake provided with a parking brake arrangement
  • Fig 6 is a plan view of the arrangement of Fig 5
  • Fig 7 is a plan view of a bogie brake provided with a slightly different parking brake arrangement
  • Figs 8-10 are plan views of bogie brakes with three different types of brake units incorporated therein
  • Figs 11 and 12 are a front view and a plan view, respectively, of a slightly modified bogie brake according to the invention
  • Figs 13-15 are a front view, a side view and a plan view, respectively, of a brake beam for incorporation in the bogie brake of Figs 11 and 12, and
  • Fig 16 is a side view to a larger scale of an embodiment differing from the other embodiments mainly in the shape of the brake beam profiles. Description of Practical Embodiments
  • a rail vehicle bogie shown in Fig 1 comprises a bolster 1 for rotatable connection to a body (not shown) of the rail vehicle, two side frames 2 connected to the bolster 1 via springs (not shown) , and two wheel sets 3 journalled for rotation in the side frames 2.
  • Each wheel set 3 is provided with two wheels 4.
  • a so called bogie brake for such a bogie has - as is well known in the art - two transverse brake beams 5 suspended between the two wheel sets 3 and arranged to be pressed apart for braking engagement - by brake blocks 6 provided at the ends of the brake beams - with the treads of the wheels 4.
  • Each such brake block holder 7 is provided with a suspension link 8, which is pivotally suspended from a suspension bracket 9 on the bolster 1, so that the brake beams 5 are suspended from a sprung part .
  • the brake block holders 7 and thus the brake beams 5 are held in a proper suspended position in relation to the suspension links 8 by means of conventional friction devices 10.
  • These friction devices 10 also act as resilient and damping means for the transverse or lateral movements of the brake beam 5.
  • the brake beams 5 are provided with two conventional brake units 11.
  • a push rod 12 of each brake unit 11 is connected to the opposite brake beam 5, so that the two brake beams thus are pressed apart at the application by compressed air of the brake units.
  • the push rods 12 extend through or under the bolster 1.
  • the brake units 11 may have a diagonal arrangement, as is for example shown in Fig 1, or may both be arranged in the same brake beam 5, as is shown in Fig 6.
  • the brake unit 11 used in the present instance is a conventional unit, which is widely used especially for normal block braking. It has a parallelepipedical shape and is well suited to be arranged in a brake beam 5, which has a design to be described below. Besides a cylinder/piston- arrangement it contains a slack adjuster or brake regulator, as is well known in the art.
  • the brake unit 11 may be a standard unit, Fig 8, a unit with a mechanical parking brake lever 13, Fig 9, or a unit with a spring parking brake 14, Fig 10.
  • each brake beam 5 is mainly composed of two generally U-shaped plate profiles or brake beam halves 15, and the brake unit 11 bolted thereto constitutes an integral part thereof.
  • the brake beam construction is also shown quite clearly in Figs 13- 15, which - like Figs 11 and 12 - show a variant where the brake block holders 7 are integrated parts of the brake beams .
  • Two halves 15 with a brake unit 11 and a push rod attachment 16 (Fig 1) together form a brake beam 5.
  • the brake unit 11 is arranged as close to the brake block holder 7 as possible, which means that the bending moment transmitted to the beam 5 at a brake application is as low as possible, so that the material thickness and thus the weight of the beam can be kept at a minimum.
  • Fig 2 The normal construction of the brake beams 5 is that illustrated in for example Figs 1, 2 and 6, where the brake beam end including the brake block holder 7 is a prefabricated end unit 17 (Fig 2) , which preferably is attached to the brake beam halves 15 by the same bolts as the brake unit 11 and the push rod attachment 16.
  • the respective brake unit 11 is provided with a parking brake lever 13.
  • the two brake units 11 are mounted in the same brake beam 5.
  • a wire 18 is attached to each parking brake lever 13 and may extend over a pulley 19 to for example a parking brake wheel (not shown) at the end of the vehicle.
  • the reaction forces at a parking brake application are taken up by the brake beam suspensions, the parking brake is not affected by the movement of the beam, for example due to brake block wear.
  • the two brake units 11 are mounted diagonally, one in each brake beam 5.
  • Wires 18 extend from the brake levers 13, in one case over a pulley 19, and leave the bogie in parallel. They can be connected to a parking brake wheel at the end of the vehicle.
  • Fig 16 shows a presently preferred embodiment.
  • the wheel 4, the brake block 6, the brake block holder 7, the suspension link 8, the suspension bracket 9, and the brake unit 11 can be recognized from other Figures, although the specific design of the different parts may be dissimilar from that of other embodiments.
  • the most important difference relating to the invention is the shape of the brake beam plate profiles, which here has the reference numeral 20. These profiles 20 are in this embodiment namely Z-shaped (instead of U-shaped in the other embodiments) .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
EP99935257A 1998-07-13 1999-07-12 Drehgestellbremseanordnung Expired - Lifetime EP1097075B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9802514A SE513955C2 (sv) 1998-07-13 1998-07-13 Rälsfordonsboggi
SE9802514 1998-07-13
PCT/SE1999/001252 WO2000002756A1 (en) 1998-07-13 1999-07-12 A bogie brake

Publications (2)

Publication Number Publication Date
EP1097075A1 true EP1097075A1 (de) 2001-05-09
EP1097075B1 EP1097075B1 (de) 2002-09-18

Family

ID=20412065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99935257A Expired - Lifetime EP1097075B1 (de) 1998-07-13 1999-07-12 Drehgestellbremseanordnung

Country Status (16)

Country Link
EP (1) EP1097075B1 (de)
JP (1) JP2002520212A (de)
CN (1) CN1115273C (de)
AT (1) ATE224317T1 (de)
AU (1) AU742235B2 (de)
CA (1) CA2337200A1 (de)
CZ (1) CZ291182B6 (de)
DE (1) DE69903041T2 (de)
ES (1) ES2184483T3 (de)
HU (1) HU223294B1 (de)
PL (1) PL194624B1 (de)
RO (1) RO119357B1 (de)
SE (1) SE513955C2 (de)
SK (1) SK286800B6 (de)
TR (1) TR200100253T2 (de)
WO (1) WO2000002756A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1449737A1 (de) * 2003-02-19 2004-08-25 Sab Wabco Nordic Ab Drehgestellbremse

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE522471C2 (sv) * 2001-03-20 2004-02-10 Sab Wabco Ab Boggiebroms
DE10304717B4 (de) * 2003-02-06 2005-07-07 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Klotzbremseinrichtung für Radsätze eines Drehgestells eines Schienenfahrzeugs
DE10304715B4 (de) 2003-02-06 2005-04-28 Knorr Bremse Systeme Bremsvorrichtung eines Schienenfahrzeugs
DE10304716B4 (de) 2003-02-06 2006-12-21 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Klotzbremseinrichtung eines Drehgestells eines Schienenfahrzeugs
SE524872C2 (sv) * 2003-04-08 2004-10-19 Sab Wabco Ab Boggibromsbom för ett rälsfordon
SE533474C2 (sv) 2009-02-10 2010-10-05 Faiveley Transport Nordic Ab Arrangemang i en bromsenhet för ett rälsfordon
US9283971B2 (en) 2011-12-27 2016-03-15 Wabtec Mzt Integrated bogie brake and slack adjuster for the use with said integrated bogie brake
SE536742C2 (sv) 2012-02-29 2014-07-08 Faiveley Transport Nordic Ab Parkeringsbromsarrangemang för en boggibroms hos ett rälsfordon
CZ306673B6 (cs) * 2012-12-05 2017-05-03 Dako-Cz A.S. Trámcová brzda kolejových vozidel
KR101654896B1 (ko) * 2014-12-22 2016-09-08 한국철도기술연구원 철도차량용 공간절약형 대차

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5000097A (en) * 1974-01-31 1991-03-19 Railway Engineering Associates, Inc. Self-steering railway truck
BE875507A (fr) * 1978-07-21 1979-10-11 Dresser Ind Bogie radial
US4211311A (en) * 1978-10-25 1980-07-08 The Budd Company Railway car truck and brake support structure
US4434877A (en) * 1981-02-20 1984-03-06 Hadady Corp. Truck-mounted brake system for railway cars
US5069312A (en) * 1990-10-15 1991-12-03 Westinghouse Air Brake Company Handbrake for single-cylinder truck-mounted railway car brake

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0002756A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1449737A1 (de) * 2003-02-19 2004-08-25 Sab Wabco Nordic Ab Drehgestellbremse

Also Published As

Publication number Publication date
HUP0103098A2 (hu) 2001-12-28
WO2000002756A1 (en) 2000-01-20
AU5077299A (en) 2000-02-01
CZ2001145A3 (en) 2001-05-16
PL345415A1 (en) 2001-12-17
JP2002520212A (ja) 2002-07-09
SK286800B6 (sk) 2009-05-07
PL194624B1 (pl) 2007-06-29
DE69903041D1 (de) 2002-10-24
SE9802514D0 (sv) 1998-07-13
ES2184483T3 (es) 2003-04-01
EP1097075B1 (de) 2002-09-18
TR200100253T2 (tr) 2001-06-21
AU742235B2 (en) 2001-12-20
DE69903041T2 (de) 2003-04-30
CA2337200A1 (en) 2000-01-20
RO119357B1 (ro) 2004-08-30
CN1115273C (zh) 2003-07-23
SE513955C2 (sv) 2000-12-04
HUP0103098A3 (en) 2002-06-28
SK582001A3 (en) 2001-10-08
CN1309612A (zh) 2001-08-22
SE9802514L (sv) 2000-01-14
HU223294B1 (hu) 2004-05-28
CZ291182B6 (cs) 2003-01-15
ATE224317T1 (de) 2002-10-15

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