EP0804738A2 - Dispositif de mesure de mouvements rotatifs - Google Patents

Dispositif de mesure de mouvements rotatifs

Info

Publication number
EP0804738A2
EP0804738A2 EP95942139A EP95942139A EP0804738A2 EP 0804738 A2 EP0804738 A2 EP 0804738A2 EP 95942139 A EP95942139 A EP 95942139A EP 95942139 A EP95942139 A EP 95942139A EP 0804738 A2 EP0804738 A2 EP 0804738A2
Authority
EP
European Patent Office
Prior art keywords
sensor
housing
flange
teeth
shaped
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.)
Ceased
Application number
EP95942139A
Other languages
German (de)
English (en)
Inventor
André F. L. GOOSSENS
André De WITTE
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.)
Continental Teves AG and Co OHG
Original Assignee
Alfred Teves Metallwarenfabrik GmbH and Co OHG
Alfred Teves 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 Alfred Teves Metallwarenfabrik GmbH and Co OHG, Alfred Teves GmbH filed Critical Alfred Teves Metallwarenfabrik GmbH and Co OHG
Publication of EP0804738A2 publication Critical patent/EP0804738A2/fr
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/02—Housings
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0005—Hubs with ball bearings
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/723—Shaft end sealing means, e.g. cup-shaped caps or covers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/443—Devices characterised by the use of electric or magnetic means for measuring angular speed mounted in bearings
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
    • F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
    • F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
    • F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
    • F16C19/185—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement with two raceways provided integrally on a part other than a race ring, e.g. a shaft or housing
    • 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
    • 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

Definitions

  • the invention relates to a device provided for measuring rotary movements, with a signal transmitter executing the rotary movement to be measured, with a stationary sensor serving as a measured value sensor and with a sensor receiving housing which accommodates the sensor, positions it and holds it in this position that the sensor is insertable.
  • Such a measuring device is already known from De 42 06 910 AI (P 7301), which essentially consists of a signal transmitter ring, a stationary sensor and a housing serving as a sensor holder.
  • the sensor is plugged into the housing and is positioned and held there in a predetermined position. It is preferably a wheel bearing sensor.
  • the sensor and sensor housing of such a wheel bearing sensor are arranged in the axis of rotation of the wheel, the rotational movement of which is to be detected.
  • a ring-shaped or pot-shaped component with internal teeth, which rotates with the wheel, serves as the signal generator.
  • the sensor has a double-sided measuring coil, from which pole shoes protrude on both sides and extend to the inner surface of the signal transmitter. In this case too, the sensor is inserted into the associated sensor receptacle housing.
  • Wheel bearing sensors of this type are required, for example, in the motor vehicle to measure the rotational speeds of the individual vehicle wheels if the vehicle is equipped with an anti-lock control or traction control system or another vehicle control system. In such applications, the reliable method of operation, but also the manufacturing and assembly costs, play a major role.
  • the invention is based on the object of constructing a bearing sensor or a measuring device of this type in such a way that the production outlay and the time required for positioning and for locking the sensor in the predetermined angular position and axial position are comparatively low.
  • the special feature of the invention thus consists in the configuration of the sensor receptacle housing, in particular the flange on the insertion side of this housing, and the shape of the corresponding flange formed on the sensor. Thanks to the shape, the receptacle housing can be produced particularly easily and with little effort, for example as a deep-drawn sheet metal part, and - by punching recesses etc. - can be machined.
  • a positioning in the given angular position and a springy interlocking of the flanges and thereby a secure holding in the exactly given angular and axial position is automatically guaranteed.
  • FIG. 1 shows a longitudinal section through a wheel bearing with a sensor holder and an inserted sensor according to an embodiment of the invention
  • FIG. 2 shows an enlarged partial representation of a possibility for designing the two flanges, namely the flange on the sensor receptacle housing and the flange on the sensor, for the exemplary embodiment according to FIG. 1,
  • FIG. 5 shows, in the same representation as FIG. 4, a further exemplary embodiment of the flange of a sensor receiving housing
  • FIG. 7 schematically, in section and developed a section from the peripheral surface of the flange connection according to Fig. 6.
  • Fig. 1 serves to explain the basic structure and arrangement of a wheel bearing sensor or a measuring device according to the invention in the axis of rotation of a vehicle wheel.
  • the wheel bearing 1 essentially consists of a wheel bearing outer ring 2, a wheel bearing inner ring 3 and bearing balls 4. A part of a wheel shaft 5, which is seated in the wheel bearing inner ring 3, is also shown.
  • the axis of rotation A of the wheel bearing 1 is shown symbolically by a dash-dotted line.
  • a sensor receiving housing 6 which is preferably designed in the form of a rotationally symmetrical deep-drawn sheet metal part, is rigidly connected to the stationary wheel bearing outer ring 2, which is fastened to the vehicle. According to an exemplary embodiment of the invention, it is provided that this sheet metal part or the sensor receptacle housing 6 is attached to the wheel bearing outer ring 2 by a snug fit or a press fit.
  • a sensor 7 serving as a sensor, which is inserted here in the sensor housing and is positioned and held by this housing in the given axial and angular position.
  • the sensor 7 contains a double-sided measuring coil 8; Such measuring coils are known for example from the document DE 42 13 977 AI mentioned at the beginning. Pole shoes 9 protrude from this coil on both sides, which reach as far as the inner surface of a signaling ring 10 serving as a measuring value transmitter, which is connected to the wheel bearing inner ring 3 and consequently to the wheel or the axle 5, its or its rotational movement to be measured, rotet.
  • the signal generator ring 10 is with teeth or elevations facing inwards.
  • the fastening, positioning and locking of the sensor 7 in the sensor receptacle housing 6 is essential to the invention.
  • the embodiment of this connection selected in the present exemplary embodiment is illustrated in FIG. 2.
  • the sensor receptacle housing 6 ends on the receiving side for the sensor 7 in a radially outwardly pointing, annular Flange 11.
  • a flange 12 is formed on the sensor 7.
  • this flange 12 of the sensor ends in individual snap hooks 13 which are evenly distributed over the circumference of this flange - cf. 1 and 2 -, which have a section 14 running parallel to the axis of rotation A of the arrangement.
  • the individual snap hooks 13 and their sections 14 end in a hook-shaped, inward-pointing bead 15 which extends over the flange 11 of the sensor receptacle housing 6.
  • the sensor flange 12 finds a firm hold on the flange 11 of the sensor receptacle housing 6.
  • the predetermined angular position of the sensor 7 in the sensor receptacle housing 10 is predefined in a simple manner in the exemplary embodiment according to FIGS. 3 and 4, which can be identical to the exemplary embodiment according to FIGS. 1 and 2, using a positioning wedge 16, the one in a corresponding Recess 17 - cf. Fig. 4 - engages in the radially outward-facing flange 11 - see Fig. 2 - of the sensor housing 6. If the sensor receptacle housing 6 is a deep-drawn sheet metal part, as is the case here, this recess 17 in the ring-shaped flange 11 of the receptacle is most easily produced by punching out.
  • the flange of the sensor receptacle housing is tough at its radially outward-pointing flange parts on the receptacle side for the sensor 7 ⁇ NEN 18, which are perpendicular to the axis of rotation of the wheel bearing and thus also the sensor 7 plane surface B of this flange 11 '.
  • the individual teeth are thus arranged at an acute angle W of inclination to the flat surface B or to the surface spanned by the annular flange 11 ', as can be seen particularly clearly from FIG. 7.
  • the deviation caused by the angling is indicated in FIG. 6 by the dashed lines of the tooth cross section 18 '.
  • the flange 12 'formed on the sensor 7 ends in tines 19 which are distributed around the circumference and which, as shown in FIG. 6, encompass and engage behind the individual teeth 18, when the sensor receptacle housing 6' protrudes there is resilient material, the sensor flange 12 'is resiliently held on the flange of the sensor receptacle housing or on the teeth 18'.
  • the teeth 18 on the flange 12 'of the sensor receiving housing 6' are evenly distributed over the circumference, so that uniformly wide tooth gaps 20 are formed. hen, with the exception of an enlarged tooth gap 21, which is used here to determine the angular position of the sensor 7 in the sensor receptacle.
  • the sensor flange 12 ' is namely divided in its radially outward-pointing sections in such a way that when the sensor 7 is inserted into the receiving housing, the sensor flange 12' engages in the tooth gaps 20, 21 and that after a rotary movement - cf.
  • FIG. 7 also shows a hook 22 which is part of one of the two flanges, i.e. the flange on the sensor housing or the sensor flange. After the inserted sensor has been rotated, the hook 22 engages in a corresponding opening in the counter flange and thereby secures the sensor against unintentional loosening.
  • the insertion of the sensor 7 into the sensor receptacle housing and thus the sensor flange into the tooth space and the subsequent rotation of the sensor 7 has the function of an attachment by means of a multi-start thread.
  • the hook 22 is expediently designed in the form of a spiral spring which springs outwards when the sensor is rotated in the housing and thereby forms the lock against the sensor being turned back. After pushing back this spring with a pin, the sensor can be turned out of the housing. This type of assembly is free of play; the position The angular position is simple and precise and does not require any tools.
  • the sensor flange is preferably a plastic injection molded part, which can be produced in one operation together with the sensor sheathing.

Abstract

L'invention concerne un dispositif de mesure de mouvements rotatifs, comprenant principalement un émetteur de signaux (10) solidaire en rotation avec l'objet, un capteur de mesure ou un détecteur fixe (7) et un boîtier (6, 6') servant à abriter, positionner et maintenir le détecteur (7) encastrable dans ce boîtier. Le boîtier (6, 6') du détecteur est un corps à symétrie de révolution, par ex. une pièce en tôle emboutie. Ce boîtier présente, sur la face de logement, un rebord (11, 11') qui vient en contact avec un rebord de détecteur (12, 12') lors de l'encastrement et, le cas échéant, de la rotation du détecteur (7), pour être positionné.
EP95942139A 1995-01-18 1995-12-13 Dispositif de mesure de mouvements rotatifs Ceased EP0804738A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19501268 1995-01-18
DE19501268A DE19501268A1 (de) 1995-01-18 1995-01-18 Vorrichtung zur Messung von Drehbewegungen
PCT/EP1995/004922 WO1996022536A2 (fr) 1995-01-18 1995-12-13 Dispositif de mesure de mouvements rotatifs

Publications (1)

Publication Number Publication Date
EP0804738A2 true EP0804738A2 (fr) 1997-11-05

Family

ID=7751687

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95942139A Ceased EP0804738A2 (fr) 1995-01-18 1995-12-13 Dispositif de mesure de mouvements rotatifs

Country Status (6)

Country Link
US (1) US6037766A (fr)
EP (1) EP0804738A2 (fr)
JP (1) JPH11507122A (fr)
KR (1) KR19980701446A (fr)
DE (1) DE19501268A1 (fr)
WO (1) WO1996022536A2 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1177959B1 (fr) * 2000-08-01 2007-09-12 Ntn Corporation Dispositif de support de roue avec ensemble de palier et système antiblocage de roue avec un tel dispositif
WO2003022667A1 (fr) 2001-09-12 2003-03-20 The Boler Company Systeme de commande des fonctions d'un vehicule, permettant de detecter le sens de deplacement du vehicule et la distance parcourue par le vehicule
DE60330926D1 (de) * 2002-03-08 2010-03-04 Ntn Toyo Bearing Co Ltd Dreherkennungsvorrichtung und Antiblockierbremssystem mit einer solchen Vorrichtung
DE10352699B4 (de) * 2002-12-10 2017-03-16 Continental Teves Ag & Co. Ohg Sensorgehäuse als Spritzgussteil mit Befestigungselement und Positionierungselement
JP2004255962A (ja) * 2003-02-25 2004-09-16 Ntn Corp 電動ブレーキシステム
JP4179083B2 (ja) * 2003-07-08 2008-11-12 株式会社デンソー 回転検出装置
JP2005231564A (ja) * 2004-02-23 2005-09-02 Ntn Corp 電動式車輪駆動装置
EP1717465A1 (fr) * 2005-04-25 2006-11-02 Aktiebolaget SKF Ensemble de moyeu de roue avec capteur de vitesse
ITTO20050062U1 (it) * 2005-05-16 2006-11-17 Skf Ab Dispositivo di montaggio e smontaggio di un sensore di rotazione in un gruppo cuscinetto-mozzo
DE102005059183B4 (de) * 2005-12-12 2016-02-04 Robert Bosch Gmbh Vorrichtung zur Messung von Drehbewegungen eines Radlagers
DE102006033931A1 (de) * 2006-07-21 2008-01-24 Robert Bosch Gmbh Vorrichtung zur Messung von Drehbewegungen eines Radlagers
EP2072845B1 (fr) * 2007-12-17 2011-02-16 JTEKT Corporation Unité de roulement avec capteur
DE102010028232A1 (de) * 2010-04-27 2011-10-27 Robert Bosch Gmbh Sensorbaugruppe für ein Fahrzeug und Vorrichtung zur Erfassung von Drehbewegungen eines Radlagers
DE102012224075A1 (de) 2012-12-20 2014-06-26 Continental Teves Ag & Co. Ohg Sensor zum Erfassen einer Position eines Geberelements
ITTO20130027A1 (it) * 2013-01-11 2014-07-12 Skf Ab Unità mozzo di peso leggero con anelli di cuscinetto integrati, e procedimenti per la sua fabbricazione
ITTO20130023A1 (it) * 2013-01-11 2014-07-12 Skf Ab Unità mozzo di peso leggero con anelli di cuscinetto integrati, e procedimento per la sua fabbricazione
JP2016080061A (ja) * 2014-10-16 2016-05-16 Ntn株式会社 ステー付き転がり軸受装置
KR102490076B1 (ko) * 2018-10-05 2023-01-19 주식회사 일진글로벌 차량용 센싱 장치, 휠 베어링 조립체 및 차량용 센싱 장치의 제조방법

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US4125339A (en) * 1977-06-29 1978-11-14 Pittinger Sr Charles B Releasably interlocked, assymmetrical, lugged flange joint with fixed relative orientation
JPS5576748A (en) * 1978-12-05 1980-06-10 Nissan Motor Co Ltd Alarming device for liquid level
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See references of WO9622536A2 *

Also Published As

Publication number Publication date
US6037766A (en) 2000-03-14
DE19501268A1 (de) 1996-07-25
JPH11507122A (ja) 1999-06-22
WO1996022536A2 (fr) 1996-07-25
KR19980701446A (ko) 1998-05-15
WO1996022536A3 (fr) 1996-10-24

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