EP0830516A1 - Frein a disque, notamment pour vehicule a moteur - Google Patents

Frein a disque, notamment pour vehicule a moteur

Info

Publication number
EP0830516A1
EP0830516A1 EP96919636A EP96919636A EP0830516A1 EP 0830516 A1 EP0830516 A1 EP 0830516A1 EP 96919636 A EP96919636 A EP 96919636A EP 96919636 A EP96919636 A EP 96919636A EP 0830516 A1 EP0830516 A1 EP 0830516A1
Authority
EP
European Patent Office
Prior art keywords
brake
housing
disc brake
actuation
brake housing
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Withdrawn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
EP96919636A
Other languages
German (de)
English (en)
Inventor
Hermann Klaue
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.)
Winkelmann Klaue Ilse
Original Assignee
Klaue Hermann
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 Klaue Hermann filed Critical Klaue Hermann
Publication of EP0830516A1 publication Critical patent/EP0830516A1/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Withdrawn legal-status Critical Current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
    • 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
    • F16D55/04—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 moving discs or pads away from one another against radial walls of drums or cylinders
    • F16D55/06—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 moving discs or pads away from one another against radial walls of drums or cylinders without self-tightening action
    • F16D55/10—Brakes actuated by a fluid-pressure device arranged in or on the brake
    • 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
    • F16D55/04—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 moving discs or pads away from one another against radial walls of drums or cylinders
    • F16D55/06—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 moving discs or pads away from one another against radial walls of drums or cylinders without self-tightening action
    • F16D55/08—Mechanically-actuated 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
    • F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
    • F16D63/002—Brakes with direct electrical or electro-magnetic actuation
    • 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
    • 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
    • F16D2055/0075—Constructional features of axially engaged brakes
    • F16D2055/0091—Plural actuators arranged side by side on the same side of the rotor
    • 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
    • F16D2121/02—Fluid pressure
    • 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
    • F16D2123/00—Multiple operation forces
    • 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
    • F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
    • F16D2125/36—Helical cams, Ball-rotating ramps
    • 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
    • F16D2125/60—Cables or chains, e.g. Bowden cables
    • 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
    • F16D65/127—Discs; Drums for disc brakes characterised by properties of the disc surface; Discs lined with friction material

Definitions

  • the invention relates to a disc brake, in particular for motor vehicles, preferably passenger vehicles with a ribbed, one- or two-part, revolving, outwardly open brake housing.
  • Part brake disc brakes with a caliper encompassing the rotating disc dissipate braking heat via radiation, and the thermal expansions of the stationary brake part overlap with the expansion of the circumferential part of the brake.
  • the full lining disc brake behaves similarly to the drum brake with regard to heat dissipation, without having the disadvantages of the different radii of curvature in the frictional engagement.
  • a disc brake with a rotating, radially ribbed brake housing with internal friction surfaces of the same weight and manufacturing effort, in which heat is dissipated via convection through the surrounding ribbed brake housing, remains at the same braking load on its friction surfaces below 300 ° C, i.e. in an area in which hardly any Pad wear occurs.
  • the invention has for its object to provide a disc brake with good heat dissipation and low brake pad wear, which allows easy and quick maintenance.
  • this object is achieved according to the invention in that one or more radially open brake calipers connected to the wheel carrier are arranged outside the brake housing and are axially movably suspended on the screws penetrating the calipers with a friction lining wear equipped segment plates, which can be inserted and removed through the saddle openings and, for brake actuation, the hydraulically, pneumatically, electromagnetically or mechanically operated clamping devices are arranged between the segment plates on the saddle bolts, which are used to brake the segment plates with their friction linings against the inner treads press the brake housing.
  • the structure according to the invention makes easy access to the brake system, here in particular the brake pads, in the direction of simple and quick replacement, which represents a particular advance in view of the large number of motor vehicles to which the invention is applicable .
  • the brake can have one or more calipers with one or more individual actuating devices per caliper, which can be reached separately or together via a control, each of the known actuations being possible.
  • the brake housing can be in one piece or composed of two shells.
  • the brake housing consists of light metal, in particular particle-reinforced aluminum.
  • the friction surface of the brake housing can be coated with AI2O3 his.
  • the areas of the brake housing which have the friction surfaces preferably run out radially inward in conical connecting tube pieces which are connected to one another by ribs within the housing and lie opposite the outer brake housing lips.
  • the rear wheel brake is preferably provided with a holding or parking brake device, which is preferably accommodated between two hydraulically or electrically actuated individual actuating devices which are offset on the circumference.
  • This preferably hand-operated holding or parking brake can have a mechanically tightenable actuating device such that it has two actuating rings equipped with oppositely increasing inclined tracks, which can be rotated by Bowden cable and supported by balls on each actuating side and which in their inclined tracks comprise actuating balls which are used in the Actuation by means of a cable pull create the frictional connection, supported on each side, between the brake pads and the contact surfaces of the brake housing.
  • FIG. 1 shows a section through a first embodiment along the line I-I in Figure 2;
  • FIG. 2 shows a partially sectioned side view of the first exemplary embodiment with a brake caliper having hydraulically actuated application devices
  • Figure 4 is a partial sectional view similar to Figure 1 of a second
  • FIG. 5 shows an enlarged partial section of a third exemplary embodiment using light metal, in particular particle-reinforced aluminum;
  • FIG. 6 shows a rear wheel brake design using the example according to FIG. 5 with a parking brake device
  • FIG. 7 shows a single partial sectional view from FIG. 6
  • a hydraulically operated motor vehicle brake is shown.
  • Fig. 1 shows the in. 2 with II marked cross-section through a motor vehicle wheel equipped with the brake.
  • the wheel 14 is by wheel bolts I44 via the one-piece brake housing 1 equipped with radial ribs 1 ⁇ with the wheel hub 43, which via angular roller bearings 42 on the journal 4j of the wheel carrier 4 is supported, screwed.
  • the brake caliper 7 is fastened to the latter via a tube extension 5, which carries the segment plates 11 equipped with a friction lining by means of screws, which can be pulled out of the caliper opening 1 after the screws 10 have been removed.
  • the clamping device 12 which consists of a light metal housing with pistons 121 sealed therein and sealed by rubber rings 12 ⁇ , is also held in the circumferential direction by the screws 10.
  • the application device is supported by extensions 122 in the free space of the saddle.
  • the additional pressure oil required in the cylinder spaces of the application devices is supplied via the connecting pieces 123 and 124 and the bores 125 and 12g.
  • the three cylinders arranged per saddle are through a bridge 12g, in which the oil bores 125 and 12o. are arranged, connected.
  • the electrical actuation solution according to FIG. 4 like the hydraulic tensioning, can also be carried out by several individual elements lined up in a row. In this case too, the saddle structure corresponds to that of the hydraulic tensioning in FIG. 2.
  • the brake housing is composed of two symmetrical parts 2 and 3, whereby casting and machining are facilitated without changing the thermal behavior.
  • the electromagnetic actuation of this exemplary embodiment of the invention again consists of three identical individual actuations which are placed next to one another in the circumferential direction and which are based on the following individual structure.
  • the housing part 16 carrying the magnetic coil IS When the brake is actuated, the housing part 16 carrying the magnetic coil IS generates a supporting force on the brake segment 11 which is applied to the brake housing half 2 during braking.
  • the axial force absorbed by the magnet armature 17 is transmitted by the cup spring 18, which is in contact with the housing part 16 and the armature part 17 in both longitudinal directions, through a pot-shaped pressure piece 19. Since the action is the same as the reaction, the correspondingly increased tensile force transmitted through the spring plate is transmitted to both brake segments, albeit with an extended armature travel. As a result, the axially available space is used without having to enlarge the diameter of the cylindrical magnet coil.
  • An electric brake actuation has the advantage over reduced hydraulic hysteresis, whereby actuation and ABS can be improved.
  • the circumferential, radially ribbed brake housing is manufactured in one piece and preferably from particle-reinforced aluminum, the friction surface parts of the housing being Knives are connected by ribs which lie opposite the radial housing ribs (FIG. 5).
  • FIGS. 5 to 8 This exemplary embodiment shown in FIGS. 5 to 8 is a rear wheel brake in which two pressure elements in hydraulic actuation and a mechanically actuated pressure element arranged in between, shown in FIGS. 6 to 8, which act on the same friction lining elements as well as the hydraulic elements . While the front wheel brakes have three elements shown in cross section in FIG. 5, the rear wheel brake has two and in the middle thereof the solution operated as a mechanical brake, as a holding brake and, in the event of danger, as a mechanical service brake, operated by a Bowden cable.
  • the light alloy wheel is marked with 20, the latter as well as the rotating brake housing 22-bearing axle flange with 21.
  • the light metal brake housing 22 is constructed in such a way that the friction surface portions of the brake housing end at the inner diameter of the friction surfaces in conical constructions 223 and 224, which are connected to one another within the brake housing by ribs 221 and are opposite the outer brake housing ribs.
  • the light metal caliper 24 fastened to the fixed axle flange 23 carries the brake shoes 25 and 26 equipped with friction lining on the threaded bolts 241.
  • the caliper housing 27 carries on both sides of the mechanical tension the actuating pistons 29 sealed by sealing rings 28, which apply the brake shoes 25 and 26 during foot braking .
  • the mechanical brake application consists of two in the circumferential direction anbericht ⁇ the inclined tracks -.
  • a Bowden cable 34, 35 rotates the two sheet metal rings 30, 31 against one another when the handbrake is actuated and generates the contact pressure of the two brake shoes 25 and 26 on the brake housing. This pulls the brake.

Landscapes

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

Abstract

L'invention concerne un frein à disque, notamment pour véhicules à moteur, de préférence pour voitures de tourisme, comprenant une enveloppe nervurée tournante, en une ou deux parties, ouverte vers l'extérieur. L'invention a pour but de réaliser un tel frein à disque présentant une bonne dissipation de chaleur, avec faible usure des garnitures, tout en étant d'un entretien simple et rapide. Ce but est atteint grâce au fait qu'il est prévu à l'extérieur de l'enveloppe (1, 2, 3) un ou plusieurs étriers (7) ouverts radialement, reliés à l'essieu (4), porteurs de tôles en segments (11) dotées de garnitures de friction et suspendues mobiles axialement sur les boulons (10) traversant lesdits étriers, et pouvant être insérés et retirés par les ouvertures à étriers (71, 91), et qu'il est prévu, pour le fonctionnement du frein, des dispositifs d'application du frein (12, 13, 14) actionnés par des moyens hydrauliques, pneumatiques, électromagnétiques ou mécaniques, montés axialement mobiles entre les tôles en segments (11) sur les boulons (10) des étriers, ces dispositifs comprimant, lors du freinage, lesdites tôles en segments (11) avec leurs garnitures de friction, contre la surface de roulement intérieur de l'enveloppe du frein (1, 2, 3).
EP96919636A 1995-06-08 1996-06-10 Frein a disque, notamment pour vehicule a moteur Withdrawn EP0830516A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19520924 1995-06-08
DE19520924 1995-06-08
PCT/DE1996/001010 WO1996041965A1 (fr) 1995-06-08 1996-06-10 Frein a disque, notamment pour vehicule a moteur

Publications (1)

Publication Number Publication Date
EP0830516A1 true EP0830516A1 (fr) 1998-03-25

Family

ID=7763920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96919636A Withdrawn EP0830516A1 (fr) 1995-06-08 1996-06-10 Frein a disque, notamment pour vehicule a moteur

Country Status (2)

Country Link
EP (1) EP0830516A1 (fr)
WO (1) WO1996041965A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005026799A1 (de) * 2005-06-10 2006-12-14 Continental Teves Ag & Co. Ohg Scheibenbremse mit zumindest zwei axial ortsfesten Reibringen
FR3071020B1 (fr) * 2017-09-14 2019-09-13 Psa Automobiles Sa Systeme de freinage d’une roue de vehicule automobile avec recuperation des particules
EP3584462B1 (fr) * 2018-06-20 2020-05-20 WABCO Europe BVBA Support de garniture pour un frein a disque
DE102023106121A1 (de) * 2023-03-13 2024-09-19 Zf Cv Systems Global Gmbh Scheibenbremse für ein Fahrzeug, sowie Fahrzeug mit einer solchen Scheibenbremse

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2502090C2 (de) * 1975-01-20 1984-08-02 Hermann Dr.-Ing. 3302 Cremlingen Klaue Hydraulische Ringbetätigung für Vollbelagscheibenbremsen, insbesondere für Kraftfahrzeuge
DE2442971C2 (de) * 1974-09-07 1985-08-01 Hermann Dr.-Ing. 3302 Cremlingen Klaue Druckmittelbetätigte Scheibenbremse, insbesondere für Kraftfahrzeuge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9641965A1 *

Also Published As

Publication number Publication date
WO1996041965A1 (fr) 1996-12-27

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