EP4229311A1 - Elektrisches trommelbremsmodul umfassend eine integrierte betriebsbremse und eine integrierte elektrische feststellbremse - Google Patents
Elektrisches trommelbremsmodul umfassend eine integrierte betriebsbremse und eine integrierte elektrische feststellbremseInfo
- Publication number
- EP4229311A1 EP4229311A1 EP21794303.4A EP21794303A EP4229311A1 EP 4229311 A1 EP4229311 A1 EP 4229311A1 EP 21794303 A EP21794303 A EP 21794303A EP 4229311 A1 EP4229311 A1 EP 4229311A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- brake
- drum wheel
- module according
- actuator
- wheel brake
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000013461 design Methods 0.000 abstract description 6
- 230000006870 function Effects 0.000 description 13
- 230000007480 spreading Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/16—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
- F16D51/18—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
- F16D51/20—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots
- F16D51/22—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots mechanically actuated
-
- 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
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/16—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
- F16D51/18—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
- F16D51/20—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots
- F16D51/24—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots fluid actuated
-
- 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
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/46—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action
- F16D51/48—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action with two linked or directly-interacting brake shoes
- F16D51/50—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action with two linked or directly-interacting brake shoes mechanically actuated
-
- 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
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/46—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action
- F16D51/48—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action with two linked or directly-interacting brake shoes
- F16D51/52—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action with two linked or directly-interacting brake shoes fluid actuated
-
- 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
- F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum 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
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
-
- 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
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D2066/005—Force, torque, stress or strain
-
- 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
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid 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
- F16D2121/18—Electric or magnetic
- F16D2121/24—Electric or magnetic using motors
-
- 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
- Electric drum brake module comprising an integrated service brake and an integrated electric parking brake
- the invention relates to an at least selectively (function-dependent) electrically actuated, combined inner shoe brake in the form of a drum brake system module which includes a brake holder 3 (e.g. as a brake anchor plate that can be applied on the vehicle side in a torque-proof manner).
- the system also includes two oppositely mounted brake shoes 6a, 6b, which are mounted radially outwards in the direction of a brake rotor 4 designed as a brake drum.
- a combination of features according to the preamble of claim 1 can be found in EP 2 670 997 B1.
- the well-known simplex drum brake involves an abutment for the brake shoes for all braking functions and a wheel brake cylinder is provided for performing a service braking function.
- An electric wheel brake actuator which acts on a brake shoe via an actuating cable, is used to perform a parking brake function, and the drive train of the wheel brake actuator is designed to be self-locking without current.
- a primary objective of such drum wheel brake systems relates to mobile systems such as motor vehicles, with other types of application - for example for or in (industrial) transport devices, capital goods such as production plants and/or in real estate, such as components of lift systems, appear to be quite possible and sensible with appropriate adaptation be able.
- EP 0 665 926 B1 discloses, by way of example, a conventional and also a combined motor vehicle drum brake comprising a hydraulic wheel brake cylinder and comprising a mechanical parking brake expanding device.
- WO 2015/101486 A2 describes a combined motor vehicle drum brake without an abutment that is particularly simple and can be implemented very advantageously and efficiently with just a few parts, comprising a hydraulic service brake actuator (wheel brake cylinder) with placement in a first semicircle of a brake holder and with a simplex configuration in which the hydraulic service brake actuator (Wheel brake cylinder) acting directly on first ends of brake shoes as a spreading device, and further comprising an electric parking brake with an electric parking brake actuator allocated in an opposite semicircle of the brake holder with duo-servo configuration by arranging a rod between the brake shoes, and wherein the electric parking brake actuator acts as a spreader essentially directly on the second ends of the brake shoes.
- One object of the present invention is to provide a newly developed, improved alternative for a motor vehicle drum brake system that can be applied in a particularly practical and future-oriented manner.
- a further developed future security for any braking energy carrier is aimed at, and furthermore, the installation space made available in a motor vehicle should be used as efficiently as possible.
- the solution of the present invention relates to a new and particularly efficiently constructed drum brake module according to the characterizing features of claim 1.
- the present invention therefore enables a particularly new and compactly arranged, combined drum brake module which combines the two Stellaktuatoriken (FBA / BBA ie parking brake actuator / service brake actuator) in largely immediate vicinity next to each other on a common brake holder (anchor plate) defined fixed.
- the two actuators 1a, 2 are not allocated at a diametrically distanced distance from one another, as is customary in the prior art, but rather arranged in a locally concentrated manner.
- the gratifyingly positive result of this proposal is an even more compressed drum brake system for a favorable space planning.
- the invention not only enables an unprecedented utilization of installation space.
- a better (electrical) connection of brake actuators 1a, 2 (such as, for example, hydraulic connections, (actuator) power connections, sensor cable routing) with a control unit (H)ECU is thus made possible.
- the invention is therefore even suitable for improving or rationalizing an assembly process in an automobile plant, or at least making it safer, because a centralized interface design is fundamentally promoted.
- a particularly efficient “dual mode” (motor vehicle) drum brake system module can be represented.
- This allows, for example, the advantages of a simplex drum brake in relation to service braking (such as in particular its practice-oriented braking torque control behavior for the purpose of sensitive perception of braking torque control tasks) to be combined with a design-system inherent blocking behavior or the efficiency advantages of the duo-servo drum brake type.
- this development results in a particularly efficient and safe parking brake function in connection with heavy motor vehicles, even if particularly miniaturized, lightweight parking brake actuators are used for this purpose.
- a pioneering variation is made possible for the first time, with a miniaturized parking brake actuator drive train - thanks to the use of the highly efficient duo-servo wedging principle with a closed annular force flow L for the electric parking brake function - in combination with an electric service brake function that can be particularly sensitively metered and regulated by brake advance analogous to the Simplex -Construction. All of this is made possible with a cheap, still justifiable, manufacturing effort and at optimized logistics in the context of component manufacture and in relation to system assembly.
- the brake holder 3 has a circular disk-like geometry, and that the service brake actuator 2, BBA and the electric parking brake actuator 1a, EPBA are placed within a common half of a circle A of the brake holder 3.
- a particularly favorable interface design is achieved in that half of circle A comprising service brake actuator 2, BBA and electric parking brake actuator 1a, EPBA is placed opposite half of circle B with abutment 5.
- Fig. 2 in plan view, the drum brake module as in Fig. 1 with brake rotor 4 in simplex service braking mode, and
- FIG. 3 shows the drum brake module in plan view as in FIG. 1 with brake rotor 4 but in duo-servo parking brake operation.
- the present invention enables, for example, a particularly novel and compactly arranged, combined dual-mode drum brake module, which controls the two function-dependent (service brake request or parking brake request) defining actuating actuators next to each other with indirect or direct insertion of the anchor plate 3 arranged as a strongly compacted module.
- This is done in a further development of the invention in that the at least two actuators 1a, 2 are located opposite (directly or indirectly) alternately on both sides of the anchor plate 3 on the outside or inside but always offset in the same semicircle A.
- the design with the actuators arranged in a compact manner according to the invention enables a particularly advantageous concentrated interface design (on an outer side) for the anchor plate 3 and in particular a particularly advantageous concentrated interface feed 11 , I2 in relation to adjacent components ((H)ECII) of the necessary vehicle peripherals ( concentrated hydraulic line supply, concentrated electrical cable ie power supply, concentrated wheel rotation sensor cable laying, etc.).
- a dual mode drum brake module comprises the integral hydraulic service brake function and the integral electric parking brake function with corresponding actuators.
- the electric parking brake actuator 1a is preferably made up as a rotary and electric motor-driven motor-gear actuator (EPB-MGU) with preferably several reduction gear stages and with a red-trans converter gear stage.
- EB-MGU rotary and electric motor-driven motor-gear actuator
- Currentless self-locking for the purpose of permanent locking blocking is advantageously in any Integrated gear stage of an EPB motor-gear unit.
- the EPB-MGU advantageously contains a spindle-nut gear stage.
- the EPB-MGU is fixed to the rear (opposite, i.e.
- the electromotive EPB-MGU 1 a, EBPA is largely gradual at a common height or level, so to speak opposite, parallel offset to an allocated (preferably electrically and/or hydraulically actuated) oriented on the inside (in the area of the anchor plate that overlaps the brake drum).
- Spreading device / service brake actuator 2, BBA arranged (circle segment A).
- the arrangement/placement of the EPB-MGU according to the invention is consequently positioned in a particularly efficient, space-saving manner, in other words essentially directly (ie opposite, adjacent, adjacent, next to) the service brake actuator system 2, BBA.
- Cable and/or lever (gear) arrangements are preferably suitable as transmission means 1b between the EPBA and the brake shoes 6a, 6b.
- a friction lining wear-dependent and currentless telescopically expandable and automatically fixable adjusting strut is inserted between the brake shoes 6a, 6b for automatic, currentless adjustment, ie friction lining wear compensation.
- a rod 9 is also inserted between the brake shoes 6a, 6b, which can also advantageously include a (preloaded) spring accumulator.
- An abutment 5 (support trestle) that is basically fixed to the anchor plate may in principle be designed to be rigid or elastically yielding and, in particular, also to be telescopic.
- the abutment 5 is basically between free ends of the two brake shoes 6a, 6b and arranged diametrically opposite to the two brake actuators 1a, 2.
- the abutment 5/ support frame and/or another system component also integrates at least one or more electrical sensing means (sensor(s) S) for the purpose of determining the braking torque or
- Brake torque measurement with stationary and/or rotating brake drum It is possible for the sensor system S to be available for all modes; the sensor system can be present separately for only one function/mode, or alternatively or additionally the sensor system can be represented redundantly for all modes.
- a sensor cable interface feed is advantageously carried out with mediation and feed via the concentrated interface sectioning/interface concentration 11, I2 described above.
- the drum brake module includes at least one additional elasticity (integrated and/or separately provided elastic spring action - e.g. by a reversibly clampable spring element that is implemented in the clamping force flow of the EPB actuating device (MGU) or in one or more transmission means(s) and/or braking organs. Placement and design of the spring element(s) in the clamping force flow of the EPB. E.g. can be integrated into rod 9,10 as disc spring layering / with/without pretensioning force. Additionally or separately, it is possible and target-oriented for the locking function to have a particularly advanced spreading device with integrated elasticity (Spring lock).
- a reversibly clampable spring element that is implemented in the clamping force flow of the EPB actuating device (MGU) or in one or more transmission means(s) and/or braking organs.
- Placement and design of the spring element(s) in the clamping force flow of the EPB E.g. can be integrated into rod 9,10 as disc spring layering / with/without
- elastic transmission means it is possible for elastic transmission means to be interposed in the form of an elastic cable, elastic brake lever 7 or in the form of a spring steel component between EPB-MGU 1a and brake holder 3/brake shoes 6a, 6b.
- the proven elasticity he Allows through its quasi-elastomeric adaptability (reversible breathing process) a flexible and damage-free operating mode or function transfer between the two actuators (service brake actuator 2 versus parking brake actuator 1a) in the context of complex stress or actuation with the advantageous consequence that according to the invention by the way a particularly streamlined, reversible compensation for thermally induced shrinkage of the brake rotor 4 is also made possible.
- the present invention is in no way limited to automobiles, but its possible application extends in principle to all systems in which drum brake modules can basically be used in a sensible manner.
- Ax axial direction (corresponds to wheel rotation axis)
- ECU electronic control unit for actuator control
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020213106 | 2020-10-16 | ||
PCT/DE2021/200137 WO2022078557A1 (de) | 2020-10-16 | 2021-10-01 | Elektrisches trommelbremsmodul umfassend eine integrierte betriebsbremse und eine integrierte elektrische feststellbremse |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4229311A1 true EP4229311A1 (de) | 2023-08-23 |
Family
ID=78269558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21794303.4A Pending EP4229311A1 (de) | 2020-10-16 | 2021-10-01 | Elektrisches trommelbremsmodul umfassend eine integrierte betriebsbremse und eine integrierte elektrische feststellbremse |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230400070A1 (de) |
EP (1) | EP4229311A1 (de) |
CN (1) | CN116368313A (de) |
DE (1) | DE102021211064A1 (de) |
WO (1) | WO2022078557A1 (de) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2697599B1 (fr) | 1992-10-30 | 1994-12-30 | Bendix Europ Services Tech | Frein à tambour à actionnement mécanique. |
JP3338946B2 (ja) * | 1996-10-08 | 2002-10-28 | 日清紡績株式会社 | ドラムブレーキ装置 |
US9175737B2 (en) | 2011-02-02 | 2015-11-03 | Continental Teves Ag & Co. Ohg | Drum brake module which can be operated by electric motor |
FR3016010B1 (fr) | 2013-12-30 | 2016-02-12 | Chassis Brakes Int Bv | Dispositif de frein a tambour incluant un frein de stationnement fonctionnant en mode duo servo, vehicule et procedes d'assemblage associes |
KR101532231B1 (ko) * | 2014-07-23 | 2015-07-01 | 현대모비스 주식회사 | 차량용 제동장치 |
KR102129230B1 (ko) * | 2018-08-17 | 2020-07-02 | 현대모비스 주식회사 | 전자식 주차 브레이크 장치 |
DE102019207664B3 (de) * | 2019-05-24 | 2020-04-23 | Continental Teves Ag & Co. Ohg | Trommelbremse |
-
2021
- 2021-10-01 CN CN202180067669.0A patent/CN116368313A/zh active Pending
- 2021-10-01 DE DE102021211064.9A patent/DE102021211064A1/de active Pending
- 2021-10-01 EP EP21794303.4A patent/EP4229311A1/de active Pending
- 2021-10-01 US US18/249,256 patent/US20230400070A1/en active Pending
- 2021-10-01 WO PCT/DE2021/200137 patent/WO2022078557A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
CN116368313A (zh) | 2023-06-30 |
DE102021211064A1 (de) | 2022-04-21 |
US20230400070A1 (en) | 2023-12-14 |
WO2022078557A1 (de) | 2022-04-21 |
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Owner name: CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH |