WO2016066405A1 - Frein à disque pour véhicule utilitaire - Google Patents

Frein à disque pour véhicule utilitaire Download PDF

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Publication number
WO2016066405A1
WO2016066405A1 PCT/EP2015/073456 EP2015073456W WO2016066405A1 WO 2016066405 A1 WO2016066405 A1 WO 2016066405A1 EP 2015073456 W EP2015073456 W EP 2015073456W WO 2016066405 A1 WO2016066405 A1 WO 2016066405A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing block
disc brake
caliper
brake
brake according
Prior art date
Application number
PCT/EP2015/073456
Other languages
German (de)
English (en)
Inventor
Matthias Klingner
Tobias Fischl
Original Assignee
Knorr-Bremse Systeme für Nutzfahrzeuge 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
Application filed by Knorr-Bremse Systeme für Nutzfahrzeuge GmbH filed Critical Knorr-Bremse Systeme für Nutzfahrzeuge GmbH
Publication of WO2016066405A1 publication Critical patent/WO2016066405A1/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
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • F16D65/183—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes with force-transmitting members arranged side by side acting on a spot type force-applying member
    • 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
    • F16D2121/00—Type of actuator operation force
    • F16D2121/14—Mechanical
    • 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
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
    • F16D2125/22—Mechanical mechanisms converting rotation to linear movement or vice versa acting transversely to the axis of rotation
    • F16D2125/26—Cranks
    • 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
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
    • F16D2125/22—Mechanical mechanisms converting rotation to linear movement or vice versa acting transversely to the axis of rotation
    • F16D2125/28—Cams; Levers with cams
    • 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
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
    • F16D2125/22—Mechanical mechanisms converting rotation to linear movement or vice versa acting transversely to the axis of rotation
    • F16D2125/28—Cams; Levers with cams
    • F16D2125/32—Cams; Levers with cams acting on one cam follower
    • 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
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/58—Mechanical mechanisms transmitting linear movement
    • F16D2125/64—Levers

Definitions

  • the invention relates to a disc brake for a commercial vehicle according to the preamble of claim 1.
  • Generic, pneumatically or electromechanically actuated disc brakes have a vehicle-side brake disc cross-caliper, in which a Zuspann nails is arranged, can be pressed with the arranged on a brake on both sides in the brake caliper brake pads to the brake disc.
  • the application device comprises, for example, a bridge, in which at least one brake piston is mounted, which rests against an associated brake pad, wherein the bridge is displaceable in the direction of the brake disc.
  • the brake plunger is supported directly on the brake lever.
  • the brake lever is pivoted with displacement of the bridge via a brake cylinder with a connected plunger which acts on the brake lever.
  • the brake lever is formed at the end remote from the plunger attack as an eccentric, which is supported on the one hand on the bridge and on the other hand on the inside of the associated wall of the caliper, which forms a saddle head in this area.
  • the displacement of the bridge when pivoting the brake lever corresponds to the Exzenterhub.
  • the position or support of the brake lever on the saddle head is designed as a rolling or sliding bearing, for this purpose a circular cross-section groove is provided in which either an eccentric portion of the brake lever rests with the same radius of curvature or Wälzrolle, as a separate part or as a molded bead may be present of the brake lever.
  • the eccentricity is achieved by the different positions of the pivot axes of the eccentric on the one hand and the Wälzrolle on the other.
  • the mentioned gutter in the saddle head can only be produced with considerable production effort, the roughly coarse form being cast in a generic caliper made of cast iron, in order to be further processed subsequently.
  • the invention has for its object to further develop a disc brake of the generic type so that it is easier and cheaper to produce.
  • the new disc brake offers obvious advantages.
  • the holding elements by means of which the bearing blocks are fastened to the caliper, are molded during casting, in particular as pins, with a round, non-round or polygonal cross-section and deformed during placement of the respective bearing block in the form of a compression, to form a head, for example which engages behind an adapted, undercut opening of the bearing block.
  • an opening is used, which is present on the side facing the brake disc in the brake caliper, via which the application device is used.
  • a pressing tool is used, which is inserted into said opening and presses the respective bearing block against the retaining element, that this deformed.
  • the molded-on holding element can also be present with a certain oversize in relation to the associated bore of the bearing block so that a frictional connection results after pressing, by means of which the bearing block is likewise held securely on the brake caliper.
  • the bearing block is integrally connected to the holding elements, for which purpose it is pressed over the pressing tool to a certain depth.
  • the integrally formed holding elements in the form of pins or pins, have a considerable oversize relative to the openings in the bearing block, so that such high stresses arise at the contact points that the components enter into a material-locking connection, which is also known as cold-pressure welding ,
  • the position accuracy required for the pressing is ensured by the fact that the raw contour surface of the caliper as a contact surface represents a workpiece zero point for a machining of the bearing block.
  • the bearing block can be manufactured differently, for example by forging, sintering or casting.
  • a processing of the channel, which is transverse to the pivoting direction of the caliper, is made with low manufacturing costs outside of the caliper.
  • the bearing block is assigned a plurality of pins integrally formed on the brake caliper, at least two, whereby an accurate, torsion-proof positioning of the bearing block is achieved.
  • the dimensioning of the channel is, as in the prior art, either to adapt to a rolling bearing or Wälzrolle to be used, wherein the eccentric, which may consist of two eccentric elements, between which a lever arm of the brake lever is arranged net, in Area of his investment in the rolling bearing is also circular arc-shaped, as opposed to the then applied to the bridge Wälzrolle.
  • FIG. 1 shows a brake caliper according to the invention in a schematic perspective view
  • Figure 2 shows a bearing block as a detail before assembly
  • Figure 3 shows a cross section through the caliper with mounted bearing block, also in a perspective view
  • Figure 4 shows a partial section of the caliper with bearing block before its assembly in a sectional side view
  • caliper 1 shows a caliper 1 of a disc brake for a commercial vehicle, which has a receiving chamber 3 for an application device, which is bounded on the rear by a saddle head 2 of the caliper 1, on its inner side facing the receiving space 3 inside holding elements in the form of pins 4 are formed, which are arranged at a distance to each other.
  • a bearing block 5 as can be seen in the figure 2 as a detail, material, form or frictionally connected to the caliper 1.
  • This bearing block 5 has a circular arc-shaped groove 6, in which, for example, as an intermediate element, a rolling bearing can be positioned, which is in operative connection with a brake lever as part of the application device.
  • the bearing block 5 serves as an abutment on which the brake lever is indirectly supported, wherein the channel 6 extends transversely to a pivoting direction of the brake lever when it is actuated.
  • the caliper 1 which is otherwise made of cast iron, is shown in a cross section with the bearing bracket 5 mounted.
  • the bearing block 5 is on its side facing the pin 4 an opening 7, into which the pin 4 protrudes, wherein the pin 4 is formed by pressing the end to a head 8, the frictionally rests against the wall of the opening 7.
  • the pin 4 is greater in its length than the depth of the opening. 7
  • the bearing block 5 is shown quasi floating before assembly. It can also be seen that the opening 7 is smaller in its depth than the length of the pin 4. In each case, the side of the bearing block 5 opposite the groove 6 is supported on the saddle head 2, so that a total of one fixed, the occurring loads fully consistent bond between the bearing block 5 and the caliper 1 is made.

Landscapes

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

Abstract

L'invention concerne un frein à disque pour un véhicule utilitaire. Ledit frein comprend un étrier de frein (1) en fonte, qui enjambe un disque de frein et dans lequel est agencé un dispositif de serrage qui comporte un levier de frein pivotant ainsi qu'un élément portant au moins un piston de frein et pouvant coulisser axialement par rapport au disque de frein, en particulier un pont. Le levier de frein est réalisé à une extrémité sous la forme d'un excentrique qui s'appuie d'une part sur l'élément et d'autre part, directement ou par l'intermédiaire d'un élément intermédiaire, sur au moins un support de palier (5) formant une butée et relié à l'étrier de frein (1). Ledit frein à disque est réalisé de manière à ce que le support de palier (5) soit fixé par liaison de matières, par coopération de formes ou par friction au moyen d'au moins un élément de retenue formé sur la face intérieure de l'étrier de frein (1).
PCT/EP2015/073456 2014-10-30 2015-10-09 Frein à disque pour véhicule utilitaire WO2016066405A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014115766.4 2014-10-30
DE102014115766.4A DE102014115766B4 (de) 2014-10-30 2014-10-30 Scheibenbremse für ein Nutzfahrzeug

Publications (1)

Publication Number Publication Date
WO2016066405A1 true WO2016066405A1 (fr) 2016-05-06

Family

ID=54292796

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/073456 WO2016066405A1 (fr) 2014-10-30 2015-10-09 Frein à disque pour véhicule utilitaire

Country Status (2)

Country Link
DE (1) DE102014115766B4 (fr)
WO (1) WO2016066405A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110892168A (zh) * 2017-07-18 2020-03-17 Bpw矿用轴公司 具有设置在其中的压紧装置的盘式制动器和用于压紧装置的支撑辊

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018122008A1 (de) * 2018-09-10 2020-03-12 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Bremssattel einer Scheibenbremse und Scheibenbremse

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996012900A1 (fr) * 1994-10-24 1996-05-02 Haldex Ab Etrier de frein a disque
DE10219148C1 (de) * 2002-04-29 2003-09-18 Wabco Perrot Bremsen Gmbh Linearzuspannvorrichtung für eine Scheibenbremse
US20040195051A1 (en) * 2003-04-02 2004-10-07 Heinlein Carl Edward Lever assembly having a selectable push rod receiving insert for a vehicle brake assembly and method of assembly therefor
EP1475551A2 (fr) * 2003-05-09 2004-11-10 ArvinMeritor Technology, LLC Frein de véhicule et procédé d'assemblage d'un frein de véhicule
WO2013180556A1 (fr) * 2012-05-31 2013-12-05 상신브레이크 주식회사 Frein à disque pour véhicule ayant une structure de levier intégrée

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE516513C2 (sv) 2000-05-31 2002-01-22 Haldex Brake Prod Ab Skivbroms innefattande en bromsmekanism
DE102008050865A1 (de) 2008-10-08 2010-04-15 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Scheibenbremse, insbesondere für ein Nutzfahrzeug
DE102012006096B4 (de) 2012-03-26 2014-02-13 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH In einen Bremssattel einer Scheibenbremse positionierte Zuspanneinrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996012900A1 (fr) * 1994-10-24 1996-05-02 Haldex Ab Etrier de frein a disque
DE10219148C1 (de) * 2002-04-29 2003-09-18 Wabco Perrot Bremsen Gmbh Linearzuspannvorrichtung für eine Scheibenbremse
US20040195051A1 (en) * 2003-04-02 2004-10-07 Heinlein Carl Edward Lever assembly having a selectable push rod receiving insert for a vehicle brake assembly and method of assembly therefor
EP1475551A2 (fr) * 2003-05-09 2004-11-10 ArvinMeritor Technology, LLC Frein de véhicule et procédé d'assemblage d'un frein de véhicule
WO2013180556A1 (fr) * 2012-05-31 2013-12-05 상신브레이크 주식회사 Frein à disque pour véhicule ayant une structure de levier intégrée

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110892168A (zh) * 2017-07-18 2020-03-17 Bpw矿用轴公司 具有设置在其中的压紧装置的盘式制动器和用于压紧装置的支撑辊

Also Published As

Publication number Publication date
DE102014115766B4 (de) 2021-07-08
DE102014115766A1 (de) 2016-05-04

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