WO2013029745A1 - Dispositif de fixation pour moyeu de roue et disque de frein - Google Patents

Dispositif de fixation pour moyeu de roue et disque de frein Download PDF

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Publication number
WO2013029745A1
WO2013029745A1 PCT/EP2012/003385 EP2012003385W WO2013029745A1 WO 2013029745 A1 WO2013029745 A1 WO 2013029745A1 EP 2012003385 W EP2012003385 W EP 2012003385W WO 2013029745 A1 WO2013029745 A1 WO 2013029745A1
Authority
WO
WIPO (PCT)
Prior art keywords
pot
damping element
rim
holding arrangement
brake disc
Prior art date
Application number
PCT/EP2012/003385
Other languages
German (de)
English (en)
Inventor
Ralph Mayer
Wolfram Niedermann
Claus-Peter Weidner
Philip Frey
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 WO2013029745A1 publication Critical patent/WO2013029745A1/fr

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
    • F16D2065/1304—Structure
    • F16D2065/1328—Structure internal cavities, e.g. cooling channels
    • 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
    • F16D2065/1356—Connection interlocking
    • F16D2065/1368—Connection interlocking with relative movement both radially and axially
    • 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
    • F16D2065/138—Connection to wheel
    • 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
    • F16D2065/1384—Connection to wheel hub

Definitions

  • the present invention relates to a retaining arrangement of a rim and a brake disc on a wheel hub of a vehicle according to the preamble of
  • Claim 1 The invention also relates to a brake disc, which is suitable for such a holding arrangement and a vehicle with such a holding arrangement.
  • a brake disk and a rim of the respective vehicle wheel are fastened to a wheel hub of the vehicle, which is rotatably mounted by means of corresponding wheel bearings about an associated wheel axle.
  • Widely used is an axial construction, in which the wheel hub has a transverse to the axis of rotation extending flat contact surface on which a brake disc with a pot carrying a friction ring is axially mounted, wherein a corresponding pot bottom is also configured on its inner side, to come to the contact surface of the hub flat to the plant.
  • the rim is then placed axially, which also has a transverse to the axis of rotation extending flat contact surface for a flat contact with the pot of the brake disc.
  • Fittings can be transmitted to the torques occurring during operation.
  • a problem with such an axial structure is a space lying between the bottom of the pot and the rim, which can lead to undesired noise.
  • a simplified structure results when the wheel hub has an annular pot contact surface, wherein the wheel hub has a transversely extending axis of rotation rim contact surface which projects axially beyond the pot contact surface, when the hub at the transition between pot contact surface and rim contact surface has an annular radial Mit supportiveau technologykontur when the rim at the Rim contact surface is applied when the pot has a central pot opening, the opening edge has a complementary Mit favorau tokontur the wheel hub radial Mitauerkontur and when the Mit followedkonturen each other
  • a brake disc which has a friction ring and a pot, wherein the friction ring and the pot are made separately and secured to each other in a suitable manner.
  • the pot has this purpose a pot bottom, which is designed as a flange and can be flanged axially in a conventional manner to a complementary flange of a hub.
  • the present invention is concerned with the problem of providing for a holding arrangement of the type mentioned or for an associated brake disc or equipped with such a holding device vehicle an improved embodiment, which is characterized in particular by a reduced noise.
  • the present invention is based on the general idea that
  • an elastic damping element is provided, which is inserted into a limited in the axial direction by a pot of a brake disc and the rim annulus and thereby eliminates this as a resonance chamber.
  • the brake disc has in a known manner a friction ring and the aforementioned pot.
  • the wheel hub is in contact with the pot of the brake disk via an annular pot contact surface, and additionally has a rim contact surface extending transversely to the axis of rotation, which extends axially beyond the wheel rim
  • Damping element made of plastic, in particular made of an elastomer.
  • Elastomers are dimensionally stable but elastically deformable plastics whose
  • Plastics can deform elastically under tensile and compressive loading, but then find their way back to their original undeformed shape and are thus particularly suitable for use with damping elements.
  • the cause of the elasticity is predominantly the ability of clogged polymer chains to react to a tensile load with an extension or unbundling of the chains.
  • damping elements also tensile stresses orthogonal to the compressive stress direction, so also here for the stretching of the entangled
  • a side facing the annulus of the pot of the brake disc has a groove into which the At least partially engages damping element.
  • a groove in this case represents a positioning aid for securing the damping element, so that this can be arranged fixed, for example via an arranged in the groove adhesive seam with respect to its position on the pot of the brake disc.
  • corresponding openings or undercut contours are provided in the pot of the brake disc, with which corresponding and arranged on the damping element locking elements or Clip elements are clipped or locked.
  • FIG. 1 shows a sectional view through a first possible embodiment of a holding arrangement according to the invention
  • FIG. 2 is a sectional view and a view of a possible embodiment of the holding arrangement according to the invention with a damping element with wedge-shaped cross-section,
  • FIG. 3 shows a representation as in FIG. 2, but with a damping element with a round cross-section and a groove for at least partially receiving the damping element
  • FIG. 4 is a sectional view through a pot of a brake disc with a groove produced by a stamping, in which the damping element engages at least partially
  • FIG. 6 shows another possible embodiment of the holding arrangement according to the invention, but with clippable damping element
  • Fig. 7a is a view of a pot of a brake disc arranged thereon
  • FIG. 7b is a representation as in Figure 7a, but with a damping element with a round cross-section, which is embedded in a corresponding groove on the pot of the brake disc,
  • FIG 8 shows a front view and a rear view of the cup of the brake disk with a cushioned damping element.
  • a holding arrangement 1 of a rim 2 and a brake disk 3 is shown on a wheel hub 4 of a vehicle which is not shown otherwise.
  • the brake disc 3 has a fixed to a pot 5 friction ring 13 (see Figures 3 and 5).
  • the wheel hub 4 has an annular pot contact surface 6, via which it is in contact with the pot 5, as well as a rim contact surface 7, which projects axially beyond the pot contact surface 6.
  • the rim 2 rests against the rim contact surface 7.
  • annular space 8 according to the invention an elastic damping element 9 is arranged, through which a vibration damping effect is achieved.
  • the erfmdungssiee damping element can be made of plastic, in particular of an elastomer, be formed, wherein the entangled polymer chains react to tensile stress with an extension or unbundling of the chains. After dropping the tensile load, the chains relax back into their static preferred ball-like state.
  • the damping element 9 according to the invention may, for example, have an annular shape or else an at least annularly closed shape with corresponding serrations, as shown for example in accordance with FIGS. 2, 3 and 7a, b. Of course, it is also conceivable that the damping element 9 has a plurality of unconnected sections 10, as shown for example in FIG 5.
  • a compound of the damping element 9 with the pot 5 of the brake disc 3 is conceivable, for example via an adhesive connection or via a clip connection, as shown for example in Figures 6 and 8.
  • a clip connection for example, 5 corresponding openings are provided on the pot, in which damping element-side locking contours, for example locking lugs or locking pins 11 engage.
  • the clip connection and the adhesive connection are not only alternative, but also cumulatively applicable.
  • the damping element 9 has a wedge-shaped in the radial direction cross-sectional shape, whereby the contact surface changes in particular under the influence of temperature and thereby can be adapted to a particular temperature.
  • a round cross-section is also conceivable, as shown for example in the left-hand illustration in FIG. 3 or in the right-hand illustration in FIG. 7b.
  • a groove 12 can be provided on a side of the pot 5 facing the annular space 8 (compare FIG. 3, left-hand illustration and FIG. 4), in which the damping element 9 engages at least partially.
  • the groove 12 may be formed, for example, as an embossment.
  • damping element 9 With the damping element 9 according to the invention, both a reduction of the noise development and a reduction of the vibrations can be achieved, whereby in particular a gain in comfort with regard to the so-called noise-vibration-harshness behavior can be achieved. In addition, an improvement of the so-called plan stop as well as a reduction of unwanted screw release of wheel bolts can be achieved.
  • the detent pins 11 or detent contours, which are required for this purpose, can be molded onto the damping element 9 and thus produced together with it.
  • the damping element 9 per se can be made relatively inexpensive and easy to manufacture.

Landscapes

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

Abstract

L'invention concerne un dispositif de fixation (1) d'une jante (2) et d'un disque de frein (3) sur un moyeu de roue (4) d'un véhicule, le disque de frein (3) comprenant une piste de frottement annulaire et un chapeau (5). Le moyeu de roue (4) présente une surface de contact de chapeau (6) annulaire par laquelle elle entre en contact avec le chapeau (5), et une surface de contact de jante (7), qui fait saillie axialement au-delà de la surface de contact de chapeau (6). La jante (2) est appuyée contre la surface de contact de jante (7) , et un élément amortisseur élastique (9) est disposé dans un espace annulaire (8) délimité axialement par le chapeau du disque (5) et la jante (2).
PCT/EP2012/003385 2011-09-01 2012-08-08 Dispositif de fixation pour moyeu de roue et disque de frein WO2013029745A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110112230 DE102011112230A1 (de) 2011-09-01 2011-09-01 Halteanordnung für Radnabe und Bremsscheibe
DE102011112230.7 2011-09-01

Publications (1)

Publication Number Publication Date
WO2013029745A1 true WO2013029745A1 (fr) 2013-03-07

Family

ID=46639436

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/003385 WO2013029745A1 (fr) 2011-09-01 2012-08-08 Dispositif de fixation pour moyeu de roue et disque de frein

Country Status (2)

Country Link
DE (1) DE102011112230A1 (fr)
WO (1) WO2013029745A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017000905A1 (de) 2017-02-01 2018-08-02 Lucas Automotive Gmbh Bremsscheibe mit einem in einem Lastpfad angeordneten Dämpfungselement
US11353074B2 (en) 2020-07-14 2022-06-07 GM Global Technology Operations LLC Brake rotor for a braking system of a motor vehicle

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0860626A2 (fr) * 1997-02-21 1998-08-26 SKF INDUSTRIE S.p.A. Raccordement entre une unité moyeu de roue-palier et un rotor de frein
DE102005022083A1 (de) * 2004-05-14 2005-12-08 Aktiebolaget Skf Vorrichtung zur Verbindung eines Wälzlagers mit einem Außenkörper
DE10256589B4 (de) 2002-12-04 2008-02-28 Daimler Ag Bremsscheibe für ein Kraftfahrzeug
DE102007048648A1 (de) 2007-10-10 2009-04-16 Audi Ag Bremsscheibe für eine Scheibenbremse
WO2009108623A1 (fr) * 2008-02-26 2009-09-03 Robert Bosch Gmbh Rotor monté sur corps cylindrique de moyeu extérieur
WO2011085748A1 (fr) * 2010-01-18 2011-07-21 Daimler Ag Dispositif de retenue d'un disque de frein sur un moyeu de roue d'une voiture
DE102010055379A1 (de) 2010-12-21 2012-06-21 Daimler Ag Halteanordnung für Radnabe und Bremsscheibe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19802040A1 (de) * 1998-01-21 1999-07-22 Itt Mfg Enterprises Inc Bremsscheibenanordnung, insbesondere für Kraftfahrzeuge
US7610999B2 (en) * 2005-08-30 2009-11-03 Robert Bosch Gmbh Wheel hub

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0860626A2 (fr) * 1997-02-21 1998-08-26 SKF INDUSTRIE S.p.A. Raccordement entre une unité moyeu de roue-palier et un rotor de frein
DE10256589B4 (de) 2002-12-04 2008-02-28 Daimler Ag Bremsscheibe für ein Kraftfahrzeug
DE102005022083A1 (de) * 2004-05-14 2005-12-08 Aktiebolaget Skf Vorrichtung zur Verbindung eines Wälzlagers mit einem Außenkörper
DE102007048648A1 (de) 2007-10-10 2009-04-16 Audi Ag Bremsscheibe für eine Scheibenbremse
WO2009108623A1 (fr) * 2008-02-26 2009-09-03 Robert Bosch Gmbh Rotor monté sur corps cylindrique de moyeu extérieur
WO2011085748A1 (fr) * 2010-01-18 2011-07-21 Daimler Ag Dispositif de retenue d'un disque de frein sur un moyeu de roue d'une voiture
DE102010055379A1 (de) 2010-12-21 2012-06-21 Daimler Ag Halteanordnung für Radnabe und Bremsscheibe

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Publication number Publication date
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