EP2984362A1 - Disque de frein composite, notamment pour un véhicule à moteur - Google Patents

Disque de frein composite, notamment pour un véhicule à moteur

Info

Publication number
EP2984362A1
EP2984362A1 EP14706480.2A EP14706480A EP2984362A1 EP 2984362 A1 EP2984362 A1 EP 2984362A1 EP 14706480 A EP14706480 A EP 14706480A EP 2984362 A1 EP2984362 A1 EP 2984362A1
Authority
EP
European Patent Office
Prior art keywords
wall
radially
friction ring
composite brake
brake disc
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Withdrawn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
EP14706480.2A
Other languages
German (de)
English (en)
Inventor
Ralph Mayer
Gernot Sprandel
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.)
Mercedes Benz Group AG
Original Assignee
Daimler 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 Daimler AG filed Critical Daimler AG
Publication of EP2984362A1 publication Critical patent/EP2984362A1/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Withdrawn legal-status Critical Current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
    • F16D65/12—Discs; Drums for disc brakes
    • F16D65/123—Discs; Drums for disc brakes comprising an annular disc secured to a hub member; Discs characterised by means for mounting
    • 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
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/1304—Structure
    • F16D2065/1316—Structure radially segmented
    • 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
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/134—Connection
    • F16D2065/1344—Connection permanent, e.g. by casting
    • 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
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/134—Connection
    • F16D2065/1392—Connection elements

Definitions

  • the invention relates to a composite brake disc, in particular for a motor vehicle, as well as a motor vehicle with such a composite brake disc.
  • DE 10 2011 011 004 A1 discloses a composite brake disk with a brake disk pot and an associated brake ring, which are connected to one another by means of a joining process.
  • a brake ring tooth profile engages in a brake disk pot tooth profile.
  • the brake disk pot tooth profile has brake disk pot tooth flanks in a circular arc shape, whereas the brake ring tooth profile has brake ring tooth flanks in involute form. Due to the special non standard compliant pairing of two different gears a particularly strong connection between the brake disk hub and the brake ring can be achieved.
  • the present invention addresses the problem of providing an improved embodiment for a composite brake disc, which is characterized in particular by a low weight and is suitable for use in commercial vehicles.
  • the invention is based on the general idea of providing a composite brake disc comprising a friction ring with an annular coupling body which comprises a double-walled jacket, which in turn has a radially outer outer wall and a radially inner inner wall.
  • the entire composite brake disc can be attached to a wheel suspension of a motor vehicle, in particular of a commercial vehicle.
  • the two walls, so the radially outer outer wall and the radially inner inner wall, according to the invention are arranged coaxially to each other and each have a coupling profile which engages for torque transmission in a provided on the friction ring of the composite brake disc complementary friction ring.
  • the invention double-walled design of the shell of the annular coupling body allows for a comparison with conventional coupling bodies, which are solid, a significant weight reduction; Nevertheless, the double-walled design with a radially outer outer wall and a radially inner inner wall allows the transmission of very high torques, as they can occur especially in braking operations in commercial vehicles. Both walls, so both the radially outer wall and the radially inner inner wall each have a coupling profile, by means of which they can each be fixed against rotation on the friction ring, so that particularly high torques can be transmitted from the coupling body to the friction ring.
  • the friction ring can also be attached to a wheel suspension of a motor vehicle, in particular of a commercial vehicle.
  • the friction ring may comprise a substantially ring-shaped base body and a collar-like flange section projecting in the axial direction from the base body and extending in the circumferential direction of the base body, on which the two walls yield for attachment to the friction ring are deferred.
  • the radially outer outer wall in a state attached to the flange portion of the friction ring abut against an outer peripheral surface of the collar-like flange portion.
  • the radially inner inner wall abut in a state attached to the flange portion of the friction ring on an inner circumferential surface of the annular flange portion.
  • the coupling profile of the radially outer outer wall radially inner coupling teeth form, which engage in radially outwardly provided on the collar-like flange portion complementary friction ring recesses.
  • the coupling profile of the radially inner inner wall radially outwardly coupling teeth form, which engage correspondingly provided in radially inwardly on the collar-like flange portion complementary friction ring recesses.
  • the radially outer outer wall and / or the radially inner inner wall can each be fastened to the flange section of the friction ring by means of a rivet connection comprising at least one rivet element.
  • a rivet connection can be carried out particularly preferably in stainless steel.
  • the two advantageous embodiments explained above are combined for the rotationally fixed attachment of the coupling body to the friction ring in the form of coupling teeth or in the form of riveted connections, ie it can be thought of radially To attach outer outer wall by means of coupling teeth on the collar-like flange portion and to attach the radially inner inner wall by means of rivet elements on the collar-shaped flange portion, or vice versa.
  • connection concepts of the friction ring on the coupling body thus enables the realization of various connection concepts of the friction ring on the coupling body.
  • Which type of coupling - that is, for example, coupling teeth or rivet connection, but also other suitable connection variants - is chosen concretely, can be determined in this way by the expected maximum occurring and acting on the composite brake disc braking torque. This also applies to the respective wall thicknesses of the radially inner inner wall and the radially outer outer wall.
  • the number of rivet elements forming the rivet connection and the number of coupling teeth and, associated therewith, the number of friction ring recesses complementary to the coupling teeth can be varied and determined depending on the application.
  • the radially outer outer wall and / or the radially inner inner wall may each be formed as a profiled sheet.
  • the use of such profile sheets allows a particularly cost-effective production of the composite brake disc.
  • the coupling body in an axial end region facing away from the friction ring, a connection element for coupling the composite brake disc to the suspension of Motor vehicle include.
  • the radially inner inner wall in the axial end region remote from the friction ring, can be integrated integrally into the radially outer outer wall by means of a connecting section.
  • the connecting section forms the connecting element presented above for coupling the composite brake disk to the wheel suspension. at least partially.
  • the radially inner inner wall and the radially outer outer wall are made of a single component, so that the connecting portion can essentially form a contact surface, in the region of which the coupling body can be screwed to the wheel suspension.
  • the connection element may have an annular end face facing away from the friction ring, in which at least one fastening sleeve is provided for receiving a wheel robbery. It is clear that in practice a plurality of such mounting sleeves for stable and rotationally fixed attachment of the coupling body may be provided on the suspension.
  • connection element may be formed as an adapter element formed separately from the two walls, which is fastened to the two walls by means of a welded connection or a riveted connection.
  • a welded connection or a riveted connection.
  • the radially outer outer wall and / or the radially inner inner wall for the friction ring to the coupling body out as an axial stop against the axial Act direction.
  • the annular coupling body may also be formed such that the radially outer outer wall and / or the radially inner inner wall for the friction ring away from the coupling body act as an axial stop along the axial direction of the composite brake disc.
  • the radially outer outer wall and / or the radially inner inner wall may protrude radially inward or radially outward on an axial end section facing the friction ring to form an axial stop.
  • the desired axial stop for the friction ring both in and against the axial direction can be realized in a simple form.
  • the invention also relates to a motor vehicle with at least one wheel suspension and with a composite brake disc attached to the at least one wheel suspension with one or more of the aforementioned features.
  • FIG. 1 shows a first embodiment of a composite brake disc according to the invention in a longitudinal section
  • FIG. 2 shows a second embodiment of a composite brake disc according to the invention in a longitudinal section
  • Fig. 5 shows a second realization example of an axial stop for the friction ring.
  • the Ver- Bundbremscopy 1 includes a friction ring 2, which may be annular. Furthermore, the composite brake disc 1 comprises an annular coupling body 3, which comprises a double-walled jacket 4. The double-walled jacket 4 in turn has a radially outer outer wall 5 and a radially inner inner wall 6. The radially outer outer wall 5 and the radially inner inner wall 6 are arranged coaxially with each other with respect to an axial axis a as shown in Figure 1. They each have a coupling profile 22 (see Figure 3) which is complementary to torque transmission in a friction ring provided on the friction ring Friction ring 23 engages.
  • the friction ring 2 can comprise a substantially ring-shaped base body 7 and a collar-like flange section 8 projecting in the axial direction A from the base body 7 and extending in the circumferential direction of the base body 7.
  • the two walls 5, 6 are pushed for attachment to the friction ring 2. Consequently, the radially outer outer wall 5 is in a state attached to the flange 8 of the friction ring 2 on an outer peripheral surface 9 of the collar-like flange portion 8 at.
  • the radially inner inner wall 6 bears against an inner circumferential surface 10 of the collar-like flange section 8. As shown in FIG.
  • the radially outer outer wall 5 can be fastened to the flange section 8 in each case only by means of a rivet connection 11 comprising at least one rivet element.
  • the rivet joint 1 may comprise a plurality of rivet members arranged along the circumferential direction U of the radially outer outer wall and the flange portion, respectively.
  • the radially inner inner wall 6 may also be fastened to the flange section 8 by means of a rivet connection 12 comprising at least one rivet element.
  • the rivet connection 12 may also have a plurality of rivet elements, which also along the circumferential direction U at the radially inner inner wall 6 and the
  • Both the radially outer outer wall 5 and the radially inner inner wall 6 may each be formed as a profiled sheet.
  • the annular coupling body 3 may comprise a connecting element 14 for coupling the composite brake disk 1 to a wheel suspension of a motor vehicle in an axial end region 13 facing away from the friction ring 2, wherein the wheel suspension is indicated only roughly roughly in FIG. 1 and designated by the reference numeral 15.
  • the attachment element 14 may be formed as separate to the two walls 5, 6 Be implemented adapter element and attached, for example by means of a welded or riveted joint on the two walls 5, 6.
  • a plurality of through bores or threaded bores 17 can be provided along the circumferential direction U, by means of which the coupling body 3 can be screwed to the wheel suspension 15.
  • the adapter element 16 may be a collar-shaped
  • Flange portion 18 for fixing the two walls 5, 6 by means of a rivet or welded connection in an analogous manner to the collar-like flange portion 8 of the friction ring 2 have.
  • the radially outer outer wall 5 and the radially inner inner wall 6 are formed as separate components; in a variant shown in Figure 2, the radially outer outer wall 5 'and the radially inner inner wall 6' of the composite brake disc 1, however, are integrally formed.
  • the radially outer outer wall 5 'and the radially inner inner wall 6' can thus be formed from a single profile sheet.
  • the connecting portion 19 ' forms the connection element 14' for coupling the composite brake disk to the wheel suspension 15 '.
  • connection element 14 ' may have an end face 20' facing away from the friction ring 2 ', which can be brought into abutment with the suspension 15' on an end face 21 'of the suspension 15' which is complementary to the end face 20 ' that the connection element 14 'with the suspension 15' can be screwed.
  • the connection element 14 ' can have fastening sleeves 29' arranged on the circumferential direction of the connection element 14 ', which can be used for screwing the coupling body 3' to the suspension 15 '.
  • the radially outer outer wall 5 can engage by means of a coupling profile 22 in a provided on the friction ring 2 complementary friction ring profile.
  • the coupling profile 22 of the radially outer wall 5 radially inwardly and in the circumferential direction U next to each other form a plurality of coupling teeth 24, which engage in radially outwardly on the collar-like flange portion 8 provided complementary Reibring- recesses 25.
  • the coupling profile of the radially inner inner wall 6 can also form radially outwardly coupling teeth, the complementary friction ring recesses provided radially inwardly on the collar-like flange section 8 intervention.
  • the coupling teeth can be provided according to a variant on the collar-like flange portion 8 of the friction ring 2 and the complementary recesses on the radially inner inner wall. 6
  • the annular coupling body 3 may be formed such that the radially outer outer wall 5 acts for the friction ring 2 to the coupling body 3 as an axial stop for movement in or against the axial direction A.
  • the radially outer outer wall 5 protrude radially inwards on an axial end section 26 facing the friction ring 2.
  • a recess 27 extending in the circumferential direction U may be provided, in which the radially inwardly projecting axial end portion 26 engages to form the axial stop.
  • the engaging in the recess 27 axial end portion 26 thus acts as a stop to prevent unwanted movement of the friction ring 2 both in and against the axial direction A.
  • the annular coupling body 3 may also be formed such that the radially inner inner wall 6 acts for the friction ring 2 as an axial stop with respect to a movement in or / and against the axial direction A.
  • a corresponding recess may be provided on an inner circumferential surface of the collar-like flange section 8 into which a radially outwardly projecting end section 28 of the radially inner inner wall 6 can engage. This is roughly indicated in the representation of FIG. 5.
  • an axial stop for the friction ring 2 can be realized only by means of the radially outer outer wall 5 alone or the radially inner inner wall 6 alone an axial stop.

Landscapes

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

Abstract

Disque de frein composite (1), notamment pour un véhicule à moteur, comportant un anneau de friction (2) et un corps d'accouplement (3) annulaire qui comprend une enveloppe (4) à double paroi composée d'une paroi extérieure (5) et d'une paroi intérieure (6), vu dans le sens radial. Les deux parois (5,6) sont coaxiales entre elles et présentent chacune un profil d'accouplement (22) qui, pour transmettre le couple, entre en prise avec un profil complémentaire (23) de l'anneau de friction (2).
EP14706480.2A 2013-04-13 2014-02-20 Disque de frein composite, notamment pour un véhicule à moteur Withdrawn EP2984362A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013006423.6A DE102013006423A1 (de) 2013-04-13 2013-04-13 Verbundbremsscheibe, insbesondere für ein Kraftfahrzeug
PCT/EP2014/000453 WO2014166565A1 (fr) 2013-04-13 2014-02-20 Disque de frein composite, notamment pour un véhicule à moteur

Publications (1)

Publication Number Publication Date
EP2984362A1 true EP2984362A1 (fr) 2016-02-17

Family

ID=50179550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14706480.2A Withdrawn EP2984362A1 (fr) 2013-04-13 2014-02-20 Disque de frein composite, notamment pour un véhicule à moteur

Country Status (5)

Country Link
EP (1) EP2984362A1 (fr)
CN (1) CN105143705A (fr)
BR (1) BR112015025509A2 (fr)
DE (1) DE102013006423A1 (fr)
WO (1) WO2014166565A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015110104A1 (de) * 2015-06-24 2016-12-29 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Bremsscheibenvorrichtung für ein Fahrzeug
CN107299942A (zh) * 2017-07-28 2017-10-27 中国石油集团西部钻探工程有限公司 整体式惯性传动法兰
EP4145011B1 (fr) * 2021-09-01 2023-11-01 Fischer & Kaufmann GmbH & Co. KG Unité de freinage et son procédé de fabrication

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2745518A (en) * 1950-08-15 1956-05-15 American Steel Foundries Brake rotor
DE2950057A1 (de) * 1979-12-13 1981-06-19 Daimler-Benz Ag, 7000 Stuttgart Fahrzeugrad mit scheibenbremse, die nach dem prinzip der waermerohre kuehlbar ist
DE3115740A1 (de) * 1981-04-18 1982-11-04 Daimler-Benz Ag, 7000 Stuttgart "nach dem prinzip des waermerohres kuehlbare bremsscheibe"
DE19652464A1 (de) * 1996-12-17 1998-06-18 Bayerische Motoren Werke Ag Zusammengesetzte Bremsscheibe
DE19751522C1 (de) * 1997-11-20 1999-05-06 Knorr Bremse Systeme Bremsscheiben-/Nabenverbindung für Fahrzeugscheibenbremsen
DE10032972B4 (de) * 2000-07-06 2004-04-15 Bayerische Motoren Werke Ag Verbund-Bremsscheibe für eine Fahrzeug-Scheibenbremse
CN200968375Y (zh) * 2006-11-18 2007-10-31 湖北楚威车桥股份有限公司 载重车铸造制动盘
FR2938311B1 (fr) * 2008-11-10 2011-10-21 Bosch Gmbh Robert Disque de frein composite
CN103038069B (zh) * 2010-09-02 2015-07-15 宝马股份公司 汽车的车轮组件
DE102011011004A1 (de) 2011-02-11 2012-08-16 Daimler Ag Verbundbremsscheibe

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2014166565A1 *

Also Published As

Publication number Publication date
CN105143705A (zh) 2015-12-09
WO2014166565A1 (fr) 2014-10-16
DE102013006423A1 (de) 2014-10-16
BR112015025509A2 (pt) 2017-07-18

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