EP0077343A1 - Antiblocking device for a wheel - Google Patents

Antiblocking device for a wheel

Info

Publication number
EP0077343A1
EP0077343A1 EP82901109A EP82901109A EP0077343A1 EP 0077343 A1 EP0077343 A1 EP 0077343A1 EP 82901109 A EP82901109 A EP 82901109A EP 82901109 A EP82901109 A EP 82901109A EP 0077343 A1 EP0077343 A1 EP 0077343A1
Authority
EP
European Patent Office
Prior art keywords
wheel
sensor
lock device
flange
rotating
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Withdrawn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
EP82901109A
Other languages
German (de)
French (fr)
Inventor
Johannes Gygax
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.)
Georg Fischer AG
Original Assignee
Georg Fischer 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 Georg Fischer AG filed Critical Georg Fischer AG
Publication of EP0077343A1 publication Critical patent/EP0077343A1/en
Withdrawn legal-status Critical Current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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/02—Wheel hubs or castors

Definitions

  • the invention relates to an anti-lock device according to the preamble of claim 1.
  • a disadvantage of all previously known types of sensor installations or fastenings is that the installation of the sensor and the part which interacts with it, rotating with the wheel, complicate and increase the cost of mounting the vehicle, and that the sensor is partially freely accessible on the wheel suspension in an encapsulated manner is attached and the cables hang relatively freely.
  • both the sensor as well as the cable are exposed to heavy loads, which must be compensated for by a correspondingly robust construction.
  • Fig. 1 is a diagonally illustrated wheel bearing cartridge with a sensor with partial section
  • Fig. 2 shows the wheel bearing cartridge according to Fig. 1 in an axial view.
  • Fig. 1 shows a wheel bearing cartridge 3 with a vertical and a horizontal section.
  • the wheel bearing cartridge 3 consists essentially of one by means of the screw holes 4 with the square standing flange 1 to be connected to the vehicle and a round rotating flange 2 to be fastened to the wheel by means of the screw holes 5.
  • the rotating flange 2 has an axial extension which extends into the standing flange and there axially by means of a ball bearing is guided.
  • the two flanges 1 and 2 are connected to one another for rotation via the ball bearings 6, 7.
  • the ball bearing itself is closed to the outside by means of a cover ring 10 on the one hand and by means of a seal 15 on the other hand.
  • the axial extension of the rotating flange 2, designed as a ring gear 8, has two guide grooves for the balls 6 and 7 on its circumference. Between these grooves, the ring gear is thickened again and has axially extending grooves 12 which run on the outside of the ring gear 8. Grooves 11 are also arranged on the inside of the ring gear and serve to secure the rotation of the flange 2 with respect to the wheel axis.
  • An anti-lock sensor 9 is sunk in a material projection 13 of the standing flange 1 and in the flange 1 itself, which is arranged such that the outer grooves 12 of the ring gear 8 rotate past the sensor 16 of the sensor when the flange 2 rotates.
  • the rotating ribs 12 generate 9 pulses in the sensor, the frequency of which is proportional to the speed of the wheel. This frequency is differentiated in an electronic computing and control device (not shown) and a signal for the temporal change in the wheel speed is obtained therefrom.
  • the same wheel bearing cartridge is shown in an axial view in FIG. 2, the same parts being provided with the same reference numerals as in FIG. 1.
  • the ring gear 8 is arranged in the interior of the angular flange 1 and has inner grooves 11 for receiving the wheel axle and outer grooves 12 for interaction with the sensor 9.
  • the pulse duty factor of the outer grooves 12 can vary and must be adapted to the sensor or its resolution.
  • the number of grooves 12 over the entire circumference of the ring gear 8 can also vary within certain limits dependent on the sensor, the maximum number depending on the sensitivity of the sensor and the minimum number on the desired measurable minimum speed of the wheel rotation.
  • the arrangement of the sensor 9 in a material projection of the standing flange 1 is chosen, for example, and is in no way to be considered restrictive.
  • the sensor could just as well be arranged tangentially to the grooves of the balls 6 or 7, with each passing ball generating a pulse.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

Le dispositif antiblocage pour roue comporte dans le palier de la roue (3) un detecteur (9) du ralentissement de la roue. La partie rotative (8) du palier de la roue (3) presente des nervures exterieures (12), ou le palier de la roue (3) comporte des billes ou des rouleaux (6, 7) qui pendant la rotation induisent dans le detecteur (9) des impulsions de frequence proportionnelle au nombre de revolutions de la roue.The wheel anti-lock device comprises in the bearing of the wheel (3) a detector (9) of the slowing down of the wheel. The rotating part (8) of the bearing of the wheel (3) has outer ribs (12), where the bearing of the wheel (3) has balls or rollers (6, 7) which during rotation induce in the detector (9) frequency pulses proportional to the number of revolutions of the wheel.

Description

Antiblockiervorrichtung Anti-lock device
Die Erfindung betrifft eine Antiblockiervorrichtung nach dem Oberbegriff des Anspruchs 1.The invention relates to an anti-lock device according to the preamble of claim 1.
Es ist bekannt, Sensoren von Antiblockiervorrichtungen zu kapseln und an einer Stelle der Radaufhängung zu montieren, an der ein mit dem Rad mitdrehender Teil am Sensor vorbeirotieren kann, und in alternierender Weise mit dem Sensor in Wechselwirkung tritt. Diese Wechselwirkung kann mechanischer, elektrischer oder magnetischer Natur, impulsförmig oder analog kontinuierlich sein.It is known to encapsulate sensors from anti-lock devices and to mount them at a point on the wheel suspension at which a part rotating with the wheel can rotate past the sensor and interact with the sensor in an alternating manner. This interaction can be mechanical, electrical or magnetic in nature, pulsed or analog continuous.
Nachteilig bei allen bisher bekannten Arten von Sensoreinbauten oder Befestigungen ist es, cass der Einbau des Sensors und des mit ihn in Wechselwirkung stehenden, mit dem Rad mitdrehenden Teils die Fahrzeugmontage komplizieren und verteuern, und dass der Sensor in gekapselter Weise teilweise frei zugänglich an der Radaufhängung befestigt ist und auch die Kabel relativ frei hängen. In dieser 3auweise ist sowohl der Sensor als auch das Kabel starken Beanspruchungen ausgesetzt, was durch entsprechend robuste Bauweise kompensiert werden muss.A disadvantage of all previously known types of sensor installations or fastenings is that the installation of the sensor and the part which interacts with it, rotating with the wheel, complicate and increase the cost of mounting the vehicle, and that the sensor is partially freely accessible on the wheel suspension in an encapsulated manner is attached and the cables hang relatively freely. In this design, both the sensor as well as the cable are exposed to heavy loads, which must be compensated for by a correspondingly robust construction.
Es ist Aufgabe der Erfindung eine Antiblockiervorrichtung zu schaffen, welche die genannten Nachteile nicht aufweist, sowie ferner eine Einbauweise undAnordnung für den Sensor vorzuschlagen, die seine vorgefertigte und geschützte Positionierung ermöglicht, so dass die Montage vereinfacht und die Lebensdauer bei gleich robuster Ausführung des Sensors erhöht wird.It is an object of the invention to provide an anti-lock device which does not have the disadvantages mentioned, and also to propose an installation and arrangement for the sensor which enables its prefabricated and protected positioning, so that assembly is simplified and the service life is increased with the same robust design of the sensor becomes.
Diese Aufgabe ist erfindungsgemäss mit der Lehre gemäss dem Kennzeichen des Anspruchs 1 gelöst.This object is achieved according to the invention with the teaching according to the characterizing part of claim 1.
Ein Ausführungsbeispiel der erfindungsgemässen Antiblockiervorrichtung ist im Folgenden an Hand der Zeichnung näher erläutert.An embodiment of the anti-lock device according to the invention is explained in more detail below with reference to the drawing.
Es zeigen:Show it:
Fig. 1 eine schrägbildlich dargestellte Radlagerpatrone mit Sensor mit Teilausschnitt, undFig. 1 is a diagonally illustrated wheel bearing cartridge with a sensor with partial section, and
Fig. 2 die Radlagerpatrone nach Fig. 1 in Axialsicht.Fig. 2 shows the wheel bearing cartridge according to Fig. 1 in an axial view.
Die Fig. 1 zeigt eine Radlagerpatrone 3 mit einem senkrechten und einem waagrechten Schnitt. Die Radlagerpatrone 3 besteht im wesentlichen aus einem mittels der Schraublöcher 4 mit dem Fahrzeug zu verbindenden eckigen stehenden Flansch 1 und einem mittels der Schraublöcher 5 am Rad zu befestigenden runden drehenden Flansch 2. Der drehende Flansch 2 weist einen axialen Fortsatz auf, der sich in den stehenden Flansch hinein erstreckt und dort axial mittels eines Kugellagers geführt wird. Die beiden Flansche 1 und 2 sind über das Kugellager 6, 7 miteinander auf Drehung verbunden. Das Kugellager selbst ist mittels eines Abdeckrings 10 einerseits und mittels einer Dichtung 15 andererseits nach aussen verschlossen.Fig. 1 shows a wheel bearing cartridge 3 with a vertical and a horizontal section. The wheel bearing cartridge 3 consists essentially of one by means of the screw holes 4 with the square standing flange 1 to be connected to the vehicle and a round rotating flange 2 to be fastened to the wheel by means of the screw holes 5. The rotating flange 2 has an axial extension which extends into the standing flange and there axially by means of a ball bearing is guided. The two flanges 1 and 2 are connected to one another for rotation via the ball bearings 6, 7. The ball bearing itself is closed to the outside by means of a cover ring 10 on the one hand and by means of a seal 15 on the other hand.
Der als Hohlrad 8 ausgebildete axiale Fortsatz des drehenden Flansches 2 weist auf seinem Umfang zwei Führuhgsrillen für die Kugeln 6 und 7 auf. Zwischen diesen Rillen ist das Hohlrad wieder verdickt und weist axial verlaufende Rillen 12 auf, welche auf der Aussenseite des Hohlrades 8 verlaufen. Auf der Innenseite des Hohlrades sind ebenfalls Rillen 11 angeordnet, welche der Drehsicherung des Flansches 2 gegenüber der Radachse dienen. In einem Materialvorsprung 13 des stehenden Flansches 1 sowie im Flansch 1 selbst ist ein Antiblockierseήsor 9 versenkt, der so angeordnet ist, dass die Aussenrillen 12 des Hohlrades 8 bei Rotation des Flansches 2 am Fühler 16 des Sensors vorbeirotieren.The axial extension of the rotating flange 2, designed as a ring gear 8, has two guide grooves for the balls 6 and 7 on its circumference. Between these grooves, the ring gear is thickened again and has axially extending grooves 12 which run on the outside of the ring gear 8. Grooves 11 are also arranged on the inside of the ring gear and serve to secure the rotation of the flange 2 with respect to the wheel axis. An anti-lock sensor 9 is sunk in a material projection 13 of the standing flange 1 and in the flange 1 itself, which is arranged such that the outer grooves 12 of the ring gear 8 rotate past the sensor 16 of the sensor when the flange 2 rotates.
Die vorbeirotierenden Rippen 12 erzeugen im Sensor 9 Impulse, deren Frequenz der Drehzahl des Rades proportional ist. In einem nicht dargestellten elektronischen Rechen- und Steuergerät wird diese Frequenz differenziert und daraus ein Signal für die zeitliche Aenderung der Raddrehzahl gewonnen. In der Fig. 2 ist dieselbe Radlagerpatrone in Axialsicht dargestellt, wobei gleiche Teile mit gleichen Bezugszeichen versehen sind, wie in Fig. 1.The rotating ribs 12 generate 9 pulses in the sensor, the frequency of which is proportional to the speed of the wheel. This frequency is differentiated in an electronic computing and control device (not shown) and a signal for the temporal change in the wheel speed is obtained therefrom. The same wheel bearing cartridge is shown in an axial view in FIG. 2, the same parts being provided with the same reference numerals as in FIG. 1.
Im Inneren des eckigen Flansches 1 ist das Hohlrad 8 angeordnet, welches Innenrillen 11 zur Aufnahme der Radachse und Aussenrillen 12 zur Wechselwirkung mit dem Sensor 9 trägt. Das Tastverhältnis der Aussenrillen 12 kann variieren und muss dem Sensor bzw. dessen Auflösung angepasst sein. Die Anzahl der Rillen 12 über den ganzen Umfang des Hohlrades 8 kann auch in bestimmten vom Sensor abhängigen Grenzen variieren, wobei die Maximalzahl von der Empfindlichkeit des Sensors und die Minimalzahl von der gewünschten messbaren Mindestgeschwindigkeit der Raddrehung abhängt.The ring gear 8 is arranged in the interior of the angular flange 1 and has inner grooves 11 for receiving the wheel axle and outer grooves 12 for interaction with the sensor 9. The pulse duty factor of the outer grooves 12 can vary and must be adapted to the sensor or its resolution. The number of grooves 12 over the entire circumference of the ring gear 8 can also vary within certain limits dependent on the sensor, the maximum number depending on the sensitivity of the sensor and the minimum number on the desired measurable minimum speed of the wheel rotation.
Die Anordnung des Sensors 9 in einem Materialvorsprung des stehenden Flansches 1 ist beispielsweise gewählt und keinesfalls einschränkend anzusehen. Ebensogut könnte der Sensor tangential zu den Rillen der Kugeln 6 oder 7 angeordnet sein, wobei jede vorbeilaufende Kugel einen Impuls erzeugt. Der Lage und Orientierung des Sensors in bezug auf die rotierenden Teile in der Radlagerpatrone sind keine Grenzen gesetzt, soweit sie nicht den mechanischen Ablauf der Rotation stören, insbesondere kann der Sensor in einem Bereich der Kugelbahn stehen, in welchem er von den vorbeilaufenden Kugeln direkt angeregt wird.The arrangement of the sensor 9 in a material projection of the standing flange 1 is chosen, for example, and is in no way to be considered restrictive. The sensor could just as well be arranged tangentially to the grooves of the balls 6 or 7, with each passing ball generating a pulse. There are no limits to the position and orientation of the sensor with respect to the rotating parts in the wheel bearing cartridge, provided that they do not interfere with the mechanical sequence of the rotation, in particular the sensor can be located in an area of the ball track in which it is directly excited by the passing balls becomes.
Anstelle der dargestellten Radlagerpatrone ist auch eine Ausführung mit feststehendem inneren und umlaufendem äusseren Lagerteil, ohne Einbaumöglichkeit für eine Antriebsachse verwendbar. Instead of the wheel bearing cartridge shown, there is also a version with a fixed inner and circumferential outer bearing part, without the possibility of installation for a drive axle can be used.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Antiblockiervorrichtung mit mindestens einem, die Geschwindigkeit eines Fahrzeugrades beim Bremsen erfassenden Sensor , der an einem mit dem Fahrzeugrad fest verbundenen Teil angeordnet ist und mit. einem, sich mit dem Rad mitdrehenden Teil in Wechselwirkung tritt, dadurch gekennzeichnet, dass der mit dem Fahrzeugrad verbundene Teil der stehende Flansch (1) einer vorgefertigten Radlagerpatrone (3) ist, dass der mitdrehende Teil deren drehender Flansch (2) ist, und dass der Sensor (9) im stehenden Flansch (1) der Radlagerpatrone (3) eingebaut ist.1. An anti-lock device with at least one sensor that detects the speed of a vehicle wheel when braking, which is arranged on a part that is firmly connected to the vehicle wheel and with one that interacts with the wheel rotating part, characterized in that the part connected to the vehicle wheel is the standing flange (1) of a prefabricated wheel bearing cartridge (3), that the rotating part is its rotating flange (2), and that the sensor (9) is installed in the standing flange (1) of the wheel bearing cartridge (3).
2. Antiblockiervorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der drehende Teil (8) der2. Anti-lock device according to claim 1, characterized in that the rotating part (8) of the
Radlagerpatrone (3) Rippen (12) aufweist, die bei der Rotation des Rades (8) am Sensor (9) vorbeirotieren.Wheel bearing cartridge (3) has ribs (12) which rotate past the sensor (9) when the wheel (8) rotates.
3. Antiblockiervorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Sensor (9) in einem Materialvorsprung (13) des stehenden Flan sches (1) angeordnet ist.3. Anti-lock device according to claim 1 or 2, characterized in that the sensor (9) in a material projection (13) of the standing flange sches (1) is arranged.
4. Antiblockiervorrichtung nach Anspruch 1 oder 3, dadurch gekennzeichnet, dass der Sensor (9) auf die Bahn der Kugeln (6, 7) oder Walzen eines Lagers gerichtet ist, mittels dessen das Rad (8) im stehenden Flansch (1) gelagert ist.4. Anti-lock device according to claim 1 or 3, characterized in that the sensor (9) is directed to the path of the balls (6, 7) or rollers of a bearing, by means of which the wheel (8) is mounted in the standing flange (1) .
5. Antiblockiervorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass der Sensor (9) tangential zu dem unbelasteten, senkrecht verlaufenden Teil des Lagers angeordnet ist.5. An anti-lock device according to claim 4, characterized in that the sensor (9) is arranged tangentially to the unloaded, vertical part of the bearing.
6. Antiblockiervorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Sensor (9) in einer ihn völlig umschliessenden Weise im Flansch (1) eingebaut ist.6. An anti-lock device according to claim 1, characterized in that the sensor (9) is built into the flange (1) in a manner that completely surrounds it.
7. Antiblockiervorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass sich der Sensor (9) bei Rotation des Rades (8) mit den umlaufenden Kugeln oder Walzen in Wechselwirkung befindet. 7. Anti-lock device according to claim 4, characterized in that the sensor (9) is in interaction with the rotating balls or rollers when the wheel (8) rotates.
EP82901109A 1981-04-28 1982-04-27 Antiblocking device for a wheel Withdrawn EP0077343A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2753/81 1981-04-28
CH2753/81A CH658836A5 (en) 1981-04-28 1981-04-28 Anti-lock device for a vehicle.

Publications (1)

Publication Number Publication Date
EP0077343A1 true EP0077343A1 (en) 1983-04-27

Family

ID=4240834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82901109A Withdrawn EP0077343A1 (en) 1981-04-28 1982-04-27 Antiblocking device for a wheel

Country Status (3)

Country Link
EP (1) EP0077343A1 (en)
CH (1) CH658836A5 (en)
WO (1) WO1982003828A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2232252B (en) * 1989-05-16 1993-10-13 Ntn Toyo Bearing Co Ltd Bearing assembly with wheel revolution detector
JP2792914B2 (en) * 1989-06-02 1998-09-03 光洋精工株式会社 Axle bearing device with wheel rotational speed detector
DE102004038524A1 (en) * 2004-08-07 2006-03-16 Audi Ag Sensor mechanism attachment device for motor vehicle, has sensor mechanism with its sensor head arranged in recess at internal periphery of flange, where sensor head is arranged perpendicularly below peripheral section of wheel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716788A (en) * 1969-12-23 1973-02-13 Aisin Seiki Tachometer generator
SE348839B (en) * 1971-04-21 1972-09-11 Skf Ind Trading & Dev
DE7131911U (en) * 1971-08-20 1971-12-23 Teldix Gmbh Device for obtaining an electrical speed signal
GB2050627B (en) * 1979-05-16 1983-09-21 Ransome Hoffmann Pollard Mechanical assemblies employing sensing means for sensing motion or position
DE2941564A1 (en) * 1979-10-13 1981-04-23 Metabowerke GmbH & Co, 7440 Nürtingen Electric motor armature spindle speed monitor - uses permanent magnet and tachogenerator to detect magnetic field variation in coil from bearing rotation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8203828A1 *

Also Published As

Publication number Publication date
CH658836A5 (en) 1986-12-15
WO1982003828A1 (en) 1982-11-11

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