EP2776732A1 - Frein à disque, plaque de pression dudit frein à disque et garniture de frein dudit frein à disque - Google Patents

Frein à disque, plaque de pression dudit frein à disque et garniture de frein dudit frein à disque

Info

Publication number
EP2776732A1
EP2776732A1 EP12790417.5A EP12790417A EP2776732A1 EP 2776732 A1 EP2776732 A1 EP 2776732A1 EP 12790417 A EP12790417 A EP 12790417A EP 2776732 A1 EP2776732 A1 EP 2776732A1
Authority
EP
European Patent Office
Prior art keywords
brake
pressure plate
brake pad
recess
projection
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.)
Withdrawn
Application number
EP12790417.5A
Other languages
German (de)
English (en)
Inventor
Hellmut Jäger
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.)
Wabco Radbremsen GmbH
Original Assignee
Wabco Radbremsen GmbH
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=47221292&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2776732(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wabco Radbremsen GmbH filed Critical Wabco Radbremsen GmbH
Publication of EP2776732A1 publication Critical patent/EP2776732A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • F16D65/095—Pivots or supporting members therefor
    • F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
    • F16D65/0971—Resilient means interposed between pads and supporting members or other brake parts transmitting brake actuation force, e.g. elements interposed between brake piston and pad
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
    • F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
    • F16D55/226—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • F16D65/095—Pivots or supporting members therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0008—Brake supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0016—Brake calipers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/026—Braking members; Mounting thereof characterised by a particular outline shape of the braking member, e.g. footprint of friction lining

Definitions

  • the invention relates to a disc brake, in particular for commercial vehicles, with a brake pad, an application device for pressing the brake pad against a brake disc, a pressure plate over which the application device presses the brake pad against the brake disc during braking, and a skewed guide, the pressure plate during braking along a lying obliquely to the brake axle path.
  • Disc brakes of the type mentioned are known, for example from EP 1 637 759 A1.
  • Such brakes are for example pneumatically and / or electromechanically actuated. It is arranged over a relatively small attack surface of the arranged in the caliper ten application device via at least one pressure spindle device a large force component perpendicular to the brake disc plane on a large, from a lining carrier plate (back plate) and an attached, when braking the brake disc contacting friction lining existing brake pad initiated.
  • a pressure plate or pressure distribution plate is used in brakes according to the invention between the application device and the back plate.
  • This pressure plate is designed to be rigid so that it ensures over their approximately over the surface of the back plate extending contact surface that the brake pad is pressed as evenly and without deformation against the brake disc.
  • the invention relates in particular to such brakes, in which both the brake pad and the pressure plate are separate components and installed radially on a brake caliper opening in the brake or removed. This takes place during replacement, when servicing a brake inspection and a Druckplatten- and / or brake pad change.
  • the pressure plate is not wider than the brake pad.
  • the two components brake pad and pressure plate mentioned are for example on the application side in a stationary brake carrier and / or in the caliper in shaft guides laterally and / or radially inwardly on the largest possible contact surfaces out / supported by these surfaces.
  • the two-sided boundaries for the brake pad can be formed by Abstütz Anlagennern.
  • the brake lining is often performed on contact surfaces that lie on approaches or on a connecting yoke between the Abstweil Anlagennern.
  • the pressure plate is guided only radially on these contact surfaces, wherein it additionally engages in a groove of the brake carrier or of the brake caliper via a lower-lying projection (anti-rotation lock), for which reason a positive guidance is present.
  • the pressure plate is thus "suspended.”
  • the above-mentioned groove in preferred direction of rotation of the brake disc in forward travel is always radially approximately in the present contact surface on the brake disk inlet side, wherein the groove is also employed at an angle to the disc inlet.
  • the groove is also employed at an angle to the disc inlet.
  • the invention is particularly applicable to disc brakes in which the brake pads and the pressure plate are clamped by means of hold-down springs and a hold-down in the required position to avoid rattling noises and as a safeguard against falling out of the brake.
  • the task set is achieved by a projection on the pressure plate and a recess on the brake pad, which receives the projection in the assembled state.
  • This is a coding. It is based in particular on the printing plate.
  • the pressure plate thereby fits together only with the associated brake pad.
  • a clearance between a side boundary of the projection and the associated inner boundary of the recess is provided.
  • the depth of the recess corresponds at least to the thickness of a back plate of the brake pad. If the brake pad is moved further when it falls below the permissible residual lining / brake disc thickness, it nevertheless surrounds the projection and "hangs" depending on the position and disc direction so that it can not be torn into the space between the brake disc and shaft guide.
  • the projection in the radially inner region of the pressure plate and / or the recess in the radially inner region of the brake pad is / are. Because, for example, built-in pressure plate of the brake pad is used directly radially and the recess does not necessarily encompass the projection necessarily on all sides, no axial movement of the brake pad with respect to the pressure plate are required to to spend the two components in contact with each other. This is true not only for the assembly, but also for the disassembly.
  • the projection is inventively further preferably integrally formed with the pressure plate. This reduces the number of parts. Furthermore, the installation / removal is particularly simple.
  • the pressure plate is a separate component.
  • the coding according to the invention does not require a recess in the form of a passage opening. Rather, the recess may also have the shape of a depression (blind hole). It also does not have to be bounded on all sides by side walls. Rather, the side walls can also form a "U".
  • FIG. 2 shows a sectional view along the line II-II in FIG. 1,
  • Figure 3 is a zuspannuite part view of
  • FIG. 4 shows the pressure plate of the brake according to FIG.
  • FIG. 5 shows an enlarged view of the part of the brake labeled "V" in FIG. 2,
  • Figure 6 is a sectional view taken along the line
  • FIG. 7 schematically shows a printing plate according to a further exemplary embodiment of the invention.
  • FIG. 8 shows the pressure plate according to FIG. 7 with the associated brake lining in front of it
  • FIG. 9 shows the same view as FIG. 2, but with the pressure plate and the brake lining according to FIGS. 7 and 8, respectively.
  • a saddle 10 which is a sliding saddle and having a radial opening 12, a brake carrier 14, a rim-side brake pad 16, a zuspann hobbyer brake pad 18, a pressure plate 20th , Hold-down springs 22, 24, 26 for the brake pads 16 and 18 and for the pressure plate 20 and a hold-down hold-down bracket 28 for the hold-down springs 22, 24 and 26th
  • an application device not shown here, for applying the brake. When braking, it presses against the pressure plate 20, which in turn presses the brake pad 18 against a brake disc, not shown in the drawing.
  • the brake disk plane B is shown in dashed lines.
  • the occurring reaction force shifts the caliper 10 in Figure 1 down, whereby the brake pad 16 is pressed against the brake disc.
  • To the application device includes a pressure spindle device also not shown in the drawing, by means of which the brake can be adjusted to compensate for wear.
  • the preferred direction of rotation of the brake disc during forward travel is indicated by an arrow D.
  • the brake pads 16, 18 and the pressure plate 20 are guided and / or supported in shaft guides of the caliper 10 and / or the brake carrier 14. They can be mounted / dismounted through the opening 12.
  • Figure 2 shows the application-side brake pad 8 with the underlying pressure plate 20 (dashed line), which are both within a substantially U-shaped shaft guide.
  • Figure 3 shows a brake member with the guides for the pressure plate 20 and the present brake pad 18 seen from the Zuspannseite. The brake pad 18 is wider than the pressure plate 20th
  • To the shaft guides include plants 30, 32, which act in the circumferential direction, and supports 34, 36, which act in the radial direction, always with respect to the brake axis A.
  • the pressure plate 20 on a guide projection 38 which is guided in a guide groove 40 in the brake carrier 24.
  • the guide groove 40 is made with respect to the brake axis A by an angle ⁇ , so that it extends obliquely. So there is a skewed guide of the pressure plate 20 before.
  • the angle ⁇ is to be chosen according to the other conditions.
  • the inclined guide has significant advantages. In this context, reference is made to EP 1 637 759 A1.
  • the brake pad 18 each have a recess 42, 44. In the recess 44 engages a formed on the pressure plate 20 projection 46 in the assembled state. As can be seen in particular the sectional view of Figure 6, the projection 46 is hook-shaped in the illustrated embodiment.
  • the recess 44 is formed both on the back plate 48 and on the friction lining 50 of the brake pad 18, for which reason its depth is equal to or slightly greater than the thickness of the back plate 48.
  • the hook-shaped projection 46 can still hold the brake lining 18 even when the friction lining 50 is largely used up.
  • the length at which the hook-shaped projection 46 protrudes into the recess 44 sufficiently dimensioned in this regard.
  • This embodiment of the invention has the advantage that the side of the pressure plate hook-shaped formed and projecting projection in the recess or recess of the back plate is immersed, which is not in the region of the immediate contact surface pressure plate side against the back plate, so that areawise no pressure transmission range from the pressure plate get lost. It can continue to build up no material stresses.
  • this also applies to more than one projection or more than one recess in all versions.
  • the projection 46 engages with lateral play in the recess 44 a. This game is necessary in view of the fact that because of the inclined guide 38, 40, the pressure plate 20 moves parallel to the brake disc with respect to the brake pad 18 when the pressure plate 20 is moved together with the brake pad 18 during braking in the direction of the brake disc.
  • the brake pad 18 is provided with two recesses 42, 44, while the pressure plate 40 has a projection 46.
  • the invention is not limited to this embodiment. Rather, a second projection, which, for example, engages in the recess 42, can also be provided on the pressure plate 20. But it can also be provided more recesses and more projections.
  • the above-mentioned coding can be realized insofar by varying the shapes, the number and / or the positions of the recesses and / or the lugs.
  • FIGs 7 to 9 the pressure plate 20 has a central projection 52 which engages in a recess 54 on the brake pad 18. As can be seen in particular Figures 8 and 9, the projection 52 is received with bilateral play in the recess 54 to account for the relative movement due to the inclined guide 38, 40 bill.

Landscapes

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

Abstract

L'invention concerne un frein à disque, destiné en particulier à des véhicules utilitaires, comportant une garniture de frein (18), un dispositif de serrage qui presse la garniture de frein contre un disque de frein, une plaque de pression (20) par l'intermédiaire de laquelle le dispositif de serrage presse la garniture de frein (18) contre le disque de frein lors du freinage, et un guide oblique (40) qui guide la plaque de pression sur une trajectoire oblique par rapport à l'axe du frein lors du freinage. Une partie saillante est ménagée sur la plaque de pression, et un évidement est ménagé sur la garniture de frein et loge la partie saillante une fois le frein à disque monté.
EP12790417.5A 2011-11-11 2012-11-08 Frein à disque, plaque de pression dudit frein à disque et garniture de frein dudit frein à disque Withdrawn EP2776732A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011118313A DE102011118313B4 (de) 2011-11-11 2011-11-11 Scheibenbremse, insbesondere für nutzfahrzeuge, sowie bremsbelag und druckplatte als separate bauteile für eine solche scheibenbremse
PCT/EP2012/004651 WO2013068120A1 (fr) 2011-11-11 2012-11-08 Frein à disque, plaque de pression dudit frein à disque et garniture de frein dudit frein à disque

Publications (1)

Publication Number Publication Date
EP2776732A1 true EP2776732A1 (fr) 2014-09-17

Family

ID=47221292

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12790417.5A Withdrawn EP2776732A1 (fr) 2011-11-11 2012-11-08 Frein à disque, plaque de pression dudit frein à disque et garniture de frein dudit frein à disque

Country Status (5)

Country Link
US (1) US9291226B2 (fr)
EP (1) EP2776732A1 (fr)
CN (1) CN103975174A (fr)
DE (1) DE102011118313B4 (fr)
WO (1) WO2013068120A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013012547B4 (de) * 2013-07-29 2021-08-19 Wabco Europe Bvba Scheibenbremse, insbesondere für Nutzfahrzeuge, sowie Bremsbelag einer solchen Scheibenbremse
DE102014017715A1 (de) * 2014-12-01 2016-06-02 Wabco Europe Bvba Pneumatisch oder elektromechanisch betätigte Scheibenbremse für Nutzfahrzeuge
US20160169306A1 (en) * 2014-12-15 2016-06-16 Bendix Spicer Foundation Brake Llc Reinforced Disc Brake Pad Backing Plate And Reinforced Brake Pad
DE102014119492A1 (de) 2014-12-23 2016-06-23 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Bremsbelaghalterung, Bremsbelag und Belaghalter
DE102015101468A1 (de) * 2015-02-02 2016-08-04 Bpw Bergische Achsen Kg Scheibenbremse für ein Nutzfahrzeugrad
KR20210085405A (ko) 2019-12-30 2021-07-08 상신브레이크주식회사 자동차 디스크 브레이크의 면압조정용 가압 플레이트

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JP2000205311A (ja) * 1999-01-20 2000-07-25 Toyota Motor Corp ディスクブレ―キ
US20030213658A1 (en) * 2002-05-16 2003-11-20 Advics Co., Ltd. Disc brake
US20080087503A1 (en) * 2006-10-12 2008-04-17 Masaki Wake Pad sets for disk brakes

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FR1330418A (fr) * 1961-08-08 1963-06-21 Rolls Royce Perfectionnements aux freins et embrayages à friction
AT286120B (de) * 1968-06-21 1970-11-25 Heinkel Ag Ernst Teilbelagscheibenbremse
DE2821194C2 (de) * 1978-05-13 1984-01-26 Abex Pagid Reibbelag Gmbh, 4300 Essen Bremskörper für Scheibenbremsen
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JPS56109934A (en) * 1980-02-04 1981-08-31 Toyota Motor Corp Disc brake
DE3013862A1 (de) * 1980-04-10 1981-10-15 Alfred Teves Gmbh, 6000 Frankfurt Teilbelagscheibenbremse mit einer druckplatte zwischen bremsbackenbeaufschlagungsglied und bremsbacken
GB8705659D0 (en) * 1987-03-10 1987-04-15 Ferodo Ltd Disc brake pads
EP0641949B1 (fr) 1993-09-02 1997-05-28 PERROT BREMSEN GmbH Frein à disque
JPH10184744A (ja) * 1996-12-27 1998-07-14 Sumitomo Electric Ind Ltd ディスクブレーキ
DE10392544D2 (de) * 2002-05-14 2005-08-18 Continental Teves Ag & Co Ohg Scheibenbremse mit einem Schwimmsattel und mehreren am Bremshalter direkt abgestützten äußeren Bremsklötzen
DE102004045222A1 (de) * 2004-09-17 2006-04-06 Wabco Radbremsen Gmbh Druckplatte
DE502005008881D1 (de) 2004-10-18 2010-03-04 Knorr Bremse Systeme Scheibenbremse mit optimierter sattellagerung und bremsbelag
ATE390575T1 (de) * 2005-02-10 2008-04-15 Federal Mogul Friction Product Scheibenbremsbelag
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Publication number Priority date Publication date Assignee Title
JP2000205311A (ja) * 1999-01-20 2000-07-25 Toyota Motor Corp ディスクブレ―キ
US20030213658A1 (en) * 2002-05-16 2003-11-20 Advics Co., Ltd. Disc brake
US20080087503A1 (en) * 2006-10-12 2008-04-17 Masaki Wake Pad sets for disk brakes

Non-Patent Citations (1)

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Title
See also references of WO2013068120A1 *

Also Published As

Publication number Publication date
WO2013068120A1 (fr) 2013-05-16
CN103975174A (zh) 2014-08-06
DE102011118313B4 (de) 2013-09-26
US20140311836A1 (en) 2014-10-23
US9291226B2 (en) 2016-03-22
DE102011118313A1 (de) 2013-05-16

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