EP2819906B1 - A parking brake arrangement for a rail vehicle bogie brake - Google Patents

A parking brake arrangement for a rail vehicle bogie brake Download PDF

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Publication number
EP2819906B1
EP2819906B1 EP13705818.6A EP13705818A EP2819906B1 EP 2819906 B1 EP2819906 B1 EP 2819906B1 EP 13705818 A EP13705818 A EP 13705818A EP 2819906 B1 EP2819906 B1 EP 2819906B1
Authority
EP
European Patent Office
Prior art keywords
brake
bogie
parking brake
arrangement
gear box
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.)
Active
Application number
EP13705818.6A
Other languages
German (de)
French (fr)
Other versions
EP2819906A2 (en
Inventor
Andreas Arnell
Tobias Persson
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.)
Faiveley Transport Nordic AB
Original Assignee
Faiveley Transport Nordic AB
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Publication date
Application filed by Faiveley Transport Nordic AB filed Critical Faiveley Transport Nordic AB
Publication of EP2819906A2 publication Critical patent/EP2819906A2/en
Application granted granted Critical
Publication of EP2819906B1 publication Critical patent/EP2819906B1/en
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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
    • B61H13/00—Actuating rail vehicle brakes
    • B61H13/02—Hand or other personal actuation
    • B61H13/04—Hand or other personal actuation by mechanisms incorporating toothed gearing

Definitions

  • the present invention relates to a parking brake arrangement for a rail vehicle bogie brake, comprising at least one rotatable means at or in the bogie for receiving a manually provided parking brake force, a cardan shaft for transmitting a rotational movement from the rotatable means to a gear box mounted on a brake beam, having at least one brake actuator, and transmitting means for transmitting the parking brake force to the actuator.
  • Typical examples of parking brake arrangements for bogie brakes are shown in DE 42 17 231 A , EP 1 097 075 B , US 6 186 284 B , and EP 1 457 401 B .
  • EP 1 457 401 there are shown two different embodiments of a parking brake arrangement of the kind defined above.
  • the bogie brake is generally conventional, whereas in the second embodiment of Fig 10 in combination with Fig 7 one of the brake beams is unconventional and contains two brake actuators.
  • the parking brake arrangements apply their application force to the piston or the pistons, respectively, of the brake actuators.
  • relatively complex means have to be provided in conjunction with the pistons for transforming a rotational movement from the hand wheel to a translational movement affecting the piston.
  • the main object of the invention is to maintain the general advantages of the arrangement disclosed in EP 1 457 401 while improving the transmittal of the parking brake force from the gear box into and past the brake actuator and providing a simplified design.
  • the transmitting means is an operating shaft having a spindle-and-nut arrangement for transforming the rotational movement from the gear box to a translational movement to a parking brake lever of the brake actuator, the lever being connected to the outgoing push rod of the actuator.
  • the rotatable means may be a hand wheel at the side of the bogie.
  • a hand wheel is preferably provided at each side of the bogie, and the brake beam is preferably provided with two brake actuators.
  • Fig 1 shows a conventional rail vehicle bogie 1 comprising as its main constituents a bolster 2, two side frames 3 and - journalled in the side frames - two wheel sets 4.
  • the bogie 1 is provided with a bogie brake, further shown in Fig 2 and for example of the general type disclosed in EP-B-1 097 075 .
  • a bogie brake comprises two brake beams 5A and 5B. These beams are provided with brake blocks at their ends for braking engagement with the treads of the wheels and in the shown case suspended from the bolster 2.
  • Means are provided for service braking by pressing the two brake beams apart for accomplishing the braking engagement of the brake blocks with the wheel treads.
  • these means are two normally pneumatically operated brake actuators or brake units 6 mounted in the fore brake beam 5A and connected to the other brake beam 5B by means of push rods 6'.
  • the present invention relates to a parking brake arrangement for the so far described bogie brake.
  • a rotatable means for receiving a parking brake force in the form of a hand wheel 7 is journalled for rotation at each side of the bogie 1.
  • a cardan shaft 8 By means of a cardan shaft 8 the hand wheel 7 is connected to a gear box 9.
  • the gear box 9 is mounted on the fore brake beam 5A, preferably centrally thereon.
  • the housing of the gear box 9 is partly broken away, and it appears that it contains gears for obtaining a suitable gear ratio between a rotational input shaft 10 from each of the preferably two cardan shafts 8 and a rotational output shaft 11 directed towards each of the two brake actuators 6.
  • the brake beam 5A is preferably provided with longitudinal, axial holes, which together with a mounting arrangement of the gear box 9 with a minor play on the brake beam 5A allows a certain relative movement between gear box and beam. In this way a certain variation in brake block play at either side of the beam may be compensated for
  • the brake actuator 6 is provided with a rotationally arranged parking brake lever 12 in operational connection with its outgoing push rod 6', which thus is pushed out for parking brake actuation at counter-clockwise rotation of the lever 12.
  • the brake actuator 6 is for example of the type disclosed in US 3 995 537 B , where there is no operational contact between the parking brake lever 12 and the service brake piston in the actuator and the former acts on the outgoing push rod 6'.
  • the rotational output shaft 11 is connected to the lever 12 by means of a parking brake force transmitting means in the form of an operating shaft 13.
  • the operating shaft 13 is a spindle-and-nut-arrangement for transforming a rotational movement from the output shaft 11 into a translational movement to the parking brake lever 12.
  • the operating shaft 13 is a push shaft, but it may alternatively be a pull shaft.
  • a manual rotation of the hand wheel 7 (preferably in the clockwise direction) will result in a translation movement to the parking brake lever 12 on the brake actuator 6, so that the brake blocks are manually applied to the wheel treads for parking braking.
  • a release of the parking brake is performed by turning the hand wheel 7 in the opposite direction.
  • a hand wheel for applying the parking brake force is provided outside the bogie, for example on an end platform of the rail vehicle on which the bogie is mounted.
  • the bogie may be provided with a rotatable means for receiving the parking brake force from the hand wheel and applying it on the cardan shaft.

Description

    Technical Field
  • The present invention relates to a parking brake arrangement for a rail vehicle bogie brake, comprising at least one rotatable means at or in the bogie for receiving a manually provided parking brake force, a cardan shaft for transmitting a rotational movement from the rotatable means to a gear box mounted on a brake beam, having at least one brake actuator, and transmitting means for transmitting the parking brake force to the actuator.
    • Background of the Invention
  • Typical examples of parking brake arrangements for bogie brakes are shown in DE 42 17 231 A , EP 1 097 075 B , US 6 186 284 B , and EP 1 457 401 B . In the first-mentioned and the last-mentioned of these, use is made of a hand wheel at the side of the bogie for the application and release, respectively, of the parking brake arrangement.
  • In EP 1 457 401 there are shown two different embodiments of a parking brake arrangement of the kind defined above. In the first embodiment of Fig 1 the bogie brake is generally conventional, whereas in the second embodiment of Fig 10 in combination with Fig 7 one of the brake beams is unconventional and contains two brake actuators. In both embodiments, however, the parking brake arrangements apply their application force to the piston or the pistons, respectively, of the brake actuators. This means that relatively complex means have to be provided in conjunction with the pistons for transforming a rotational movement from the hand wheel to a translational movement affecting the piston.
  • The main object of the invention is to maintain the general advantages of the arrangement disclosed in EP 1 457 401 while improving the transmittal of the parking brake force from the gear box into and past the brake actuator and providing a simplified design.
    • The Invention
  • This is according to the invention attained in that the transmitting means is an operating shaft having a spindle-and-nut arrangement for transforming the rotational movement from the gear box to a translational movement to a parking brake lever of the brake actuator, the lever being connected to the outgoing push rod of the actuator.
  • The rotatable means may be a hand wheel at the side of the bogie.
  • Preferably, a hand wheel is preferably provided at each side of the bogie, and the brake beam is preferably provided with two brake actuators.
    • Brief Description of the Drawings
  • The invention will be described in further detail below under reference to the accompanying drawings, in which
    • Fig 1 is an isometric view of a rail vehicle bogie with a parking brake arrangement according to the invention,
    • Fig 2 is an isometric view of the bogie brake included in the bogie of Fig 1,
    • Fig 3 is a detail view of a portion of the bogie brake of Fig 2 (with the housing of a gear box partly broken away), and
    • Fig 4 is a partly sectioned side view of a push shaft of the bogie brake of Fig 2.
    Detailed Description of Embodiments
  • Fig 1 shows a conventional rail vehicle bogie 1 comprising as its main constituents a bolster 2, two side frames 3 and - journalled in the side frames - two wheel sets 4.
  • The bogie 1 is provided with a bogie brake, further shown in Fig 2 and for example of the general type disclosed in EP-B-1 097 075 . As is well known for any person skilled in the art, such a bogie brake comprises two brake beams 5A and 5B. These beams are provided with brake blocks at their ends for braking engagement with the treads of the wheels and in the shown case suspended from the bolster 2.
  • Means are provided for service braking by pressing the two brake beams apart for accomplishing the braking engagement of the brake blocks with the wheel treads. In the present case these means are two normally pneumatically operated brake actuators or brake units 6 mounted in the fore brake beam 5A and connected to the other brake beam 5B by means of push rods 6'.
  • The present invention relates to a parking brake arrangement for the so far described bogie brake.
  • A rotatable means for receiving a parking brake force in the form of a hand wheel 7 is journalled for rotation at each side of the bogie 1. By means of a cardan shaft 8 the hand wheel 7 is connected to a gear box 9.
  • As appears most clearly in Fig 3, the gear box 9 is mounted on the fore brake beam 5A, preferably centrally thereon. In Fig 3 the housing of the gear box 9 is partly broken away, and it appears that it contains gears for obtaining a suitable gear ratio between a rotational input shaft 10 from each of the preferably two cardan shafts 8 and a rotational output shaft 11 directed towards each of the two brake actuators 6.
  • For the mounting of the gear box 9, the brake beam 5A is preferably provided with longitudinal, axial holes, which together with a mounting arrangement of the gear box 9 with a minor play on the brake beam 5A allows a certain relative movement between gear box and beam. In this way a certain variation in brake block play at either side of the beam may be compensated for
  • The brake actuator 6 is provided with a rotationally arranged parking brake lever 12 in operational connection with its outgoing push rod 6', which thus is pushed out for parking brake actuation at counter-clockwise rotation of the lever 12.
  • The brake actuator 6 is for example of the type disclosed in US 3 995 537 B , where there is no operational contact between the parking brake lever 12 and the service brake piston in the actuator and the former acts on the outgoing push rod 6'.
  • The rotational output shaft 11 is connected to the lever 12 by means of a parking brake force transmitting means in the form of an operating shaft 13. As shown in Fig 4, the operating shaft 13 is a spindle-and-nut-arrangement for transforming a rotational movement from the output shaft 11 into a translational movement to the parking brake lever 12. In the shown arrangement the operating shaft 13 is a push shaft, but it may alternatively be a pull shaft.
  • The above-mentioned "floating" mounting of the gear box 9 has the effect that no unfavorable forces will be introduced in the gear box at the possible occurrence of different strokes for the two parking brake levers 12, but that rather the gear box 9 will move slightly laterally on the brake beam 5. Also, the forces in the operating shaft 13 will be the same, resulting in the same brake forces on the two brake actuators 6.
  • By means of the shown and described parking brake arrangement, a manual rotation of the hand wheel 7 (preferably in the clockwise direction) will result in a translation movement to the parking brake lever 12 on the brake actuator 6, so that the brake blocks are manually applied to the wheel treads for parking braking. A release of the parking brake is performed by turning the hand wheel 7 in the opposite direction.
  • In the shown and described embodiment there are hand wheels 7 at either side of the bogie 1, and the brake beam 5A is provided with two actuators. Other embodiments with regard to the number and positioning of these means are possible.
  • In a second embodiment, not shown in the drawings, a hand wheel for applying the parking brake force is provided outside the bogie, for example on an end platform of the rail vehicle on which the bogie is mounted. In such a case the bogie may be provided with a rotatable means for receiving the parking brake force from the hand wheel and applying it on the cardan shaft.
  • Further modifications are possible within the scope of the appended claims.

Claims (5)

  1. A parking brake arrangement for a rail vehicle bogie brake, comprising at least one rotatable means (7) at or in the bogie (1) for receiving a manually provided parking brake force, a cardan shaft (8) for transmitting a rotational movement from the rotatable means (7) to a gear box (9) mounted on a brake beam (5A), having at least one brake actuator (6), and transmitting means (13) for transmitting the parking brake force to the actuator, characterized in that the transmitting means (13) is an operating shaft having a spindle-and-nut arrangement for transforming the rotational movement from the gear box (9) to a translational movement to a parking brake lever (12) of the brake actuator (6), the lever (12) being connected to the outgoing push rod (6') of the actuator.
  2. An arrangement according to claim 1, wherein the rotatable means is a hand wheel (7) at the side of the bogie (1).
  3. An arrangement according to claim 2, wherein a hand wheel (7) is provided at each side of the bogie (1) and wherein the brake beam (5A) is provided with two brake actuators (6).
  4. An arrangement according to claim 1, wherein the operating shaft (13) is a push shaft.
  5. An arrangement according to claim 1, wherein the gear box (9) is mounted on the brake beam (5) with a certain possibility to move there along.
EP13705818.6A 2012-02-29 2013-02-26 A parking brake arrangement for a rail vehicle bogie brake Active EP2819906B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1250186A SE536742C2 (en) 2012-02-29 2012-02-29 Parking brake arrangement for a tow brake at a rail vehicle
PCT/EP2013/053784 WO2013127769A2 (en) 2012-02-29 2013-02-26 A parking brake arrangement for a rail vehicle bogie brake

Publications (2)

Publication Number Publication Date
EP2819906A2 EP2819906A2 (en) 2015-01-07
EP2819906B1 true EP2819906B1 (en) 2016-08-10

Family

ID=47748655

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13705818.6A Active EP2819906B1 (en) 2012-02-29 2013-02-26 A parking brake arrangement for a rail vehicle bogie brake

Country Status (7)

Country Link
EP (1) EP2819906B1 (en)
ES (1) ES2595041T3 (en)
HU (1) HUE029433T2 (en)
PL (1) PL2819906T3 (en)
RU (1) RU2620281C2 (en)
SE (1) SE536742C2 (en)
WO (1) WO2013127769A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111003013A (en) * 2020-01-09 2020-04-14 户兴凯 Mine car of safety braking

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7133371B2 (en) * 2018-06-26 2022-09-08 ナブテスコ株式会社 Braking equipment and railway vehicles
CN111216760B (en) * 2018-11-27 2021-04-13 中车唐山机车车辆有限公司 Parking brake cylinder relieving device and rail train

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE384562B (en) 1974-03-28 1976-05-10 Bromsregulator Svenska Ab DEVICE FOR FLUID PRESSURE IMPACTED BRAKE UNIT
GB1600730A (en) * 1978-04-28 1981-10-21 Procor Uk Ltd Braking systems
DE4217231A1 (en) 1992-05-20 1993-11-25 Deutsche Bahn Ag Railway vehicle manual and pneumatic brake integration and decoupling system - has brake spindle and coupled to brake lever by manual brake lever, pivoting on brake lever.
SE513955C2 (en) 1998-07-13 2000-12-04 Sab Wabco Ab railway truck
US6186284B1 (en) 1998-09-17 2001-02-13 New York Air Brake Corp. Fluid parking brake for a rail vehicle air brake cylinder
DE10304715B4 (en) * 2003-02-06 2005-04-28 Knorr Bremse Systeme Braking device of a rail vehicle
GB2424049A (en) * 2005-03-09 2006-09-13 Aea Technology Plc A brake mechanism for a rail vehicle
CN101595019B (en) * 2007-01-31 2013-03-27 韦伯太克控股公司 Parking brake assembly for railway vehicle brake system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111003013A (en) * 2020-01-09 2020-04-14 户兴凯 Mine car of safety braking
CN111003013B (en) * 2020-01-09 2021-07-30 阿拉善左旗珠拉黄金开发有限责任公司 Mine car of safety braking

Also Published As

Publication number Publication date
SE536742C2 (en) 2014-07-08
ES2595041T3 (en) 2016-12-27
WO2013127769A2 (en) 2013-09-06
RU2620281C2 (en) 2017-05-24
RU2014138596A (en) 2016-04-20
WO2013127769A3 (en) 2014-01-23
PL2819906T3 (en) 2017-03-31
HUE029433T2 (en) 2017-02-28
EP2819906A2 (en) 2015-01-07
SE1250186A1 (en) 2013-08-30

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