WO2008128515A1 - Ensemble palier d'un moyeu de roue d'un véhicule à moteur, pouvant être entraîné par le biais d'une articulation tournante, et procédé de fabrication dudit ensemble - Google Patents

Ensemble palier d'un moyeu de roue d'un véhicule à moteur, pouvant être entraîné par le biais d'une articulation tournante, et procédé de fabrication dudit ensemble Download PDF

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Publication number
WO2008128515A1
WO2008128515A1 PCT/DE2008/000634 DE2008000634W WO2008128515A1 WO 2008128515 A1 WO2008128515 A1 WO 2008128515A1 DE 2008000634 W DE2008000634 W DE 2008000634W WO 2008128515 A1 WO2008128515 A1 WO 2008128515A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel hub
bearing
joint body
joint
radially
Prior art date
Application number
PCT/DE2008/000634
Other languages
German (de)
English (en)
Inventor
Raphael Fischer
Roland Langer
Peter Niebling
Original Assignee
Schaeffler Kg
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 Schaeffler Kg filed Critical Schaeffler Kg
Publication of WO2008128515A1 publication Critical patent/WO2008128515A1/fr

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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
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/076—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0078—Hubs characterised by the fixation of bearings
    • B60B27/0084—Hubs characterised by the fixation of bearings caulking to fix inner race
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0094—Hubs one or more of the bearing races are formed by the hub
    • 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
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • 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
    • F16C19/186—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 three raceways provided integrally on parts other than race rings, e.g. third generation hubs
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D2003/2232—Elements arranged in the hollow space between the end of the inner shaft and the outer joint 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
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D2003/22326—Attachments to the outer joint member, i.e. attachments to the exterior of the outer joint member or to the shaft of the outer joint member

Definitions

  • the invention relates to a bearing arrangement of a wheel hub of a motor vehicle which can be driven via a rotary joint, in which the wheel hub connected to a wheel flange and an outer joint body of the rotary joint connected to a drive shaft are connected to one another in a rotationally fixed manner, and to a double-row rolling bearing arranged on the wheel hub.
  • the wheel hub in particular a journal of the wheel hub, has a radially inner circumferential surface which encloses a bell-shaped opening widening towards the joint into which the outer joint body of the joint is inserted at least part of its axial length, wherein the outer contour of the outer Hinge body substantially corresponds to the inner contour of the inner circumferential surface of the wheel hub, in particular of the pin of the wheel hub, and wherein the outer joint body is arranged ⁇ 1 partially spaced radially below the rolling bearing. Furthermore, the invention relates to a method for producing such a bearing assembly.
  • the drive of motor vehicle wheels is carried out at independent suspension known about propeller shafts between a transmission or a transfer case and the respective wheel bearing.
  • the propeller shafts have constant velocity joints at both ends which allow simultaneous torque transmission during flexion of the shaft, for example during compression and / or steering.
  • the wheel bearing is integrated in the wheel hub or connected to this.
  • the constant velocity joint - referred to below as a swivel joint or just as a joint - is rotatably coupled to the wheel hub.
  • both operating states namely steering and compression
  • a comparatively large deflection angle for example greater than 50 °
  • the manufacturers seek the largest possible Radeinschlagwinkel.
  • the maximum possible wheel steering angle is influenced on the one hand by the construction of the constant velocity joint, on the other hand by the adjusting flexion angle.
  • the flexion angle depends essentially on the length of the propeller shaft.
  • a displacement of the articulation point of the propeller shaft toward the wheel can positively influence the maximum achievable Radeinschlag- angle and there are also proposals to move the joint as far as possible to the hub and even integrate into the hub, so that the axial length of the wheel hub and Swivel existing bearing assembly can be reduced to a minimum.
  • the expensive rolling bearing material is not used as a hinge material.
  • a tube or sheet material can be used as the starting material for the outer joint part by this tube is expanded and used to receive the torque-transmitting balls.
  • the resulting during production outer contour of the joint is used for torque transmission.
  • This simple to manufacture joint outer part is received in the opening of the inner bearing ring, wherein the remaining space between the joint and inner bearing ring is filled with a filler, so that a positive connection of the two elements is formed.
  • machining processes can be kept to a minimum or the absolutely necessary machining operations need not be subjected to great accuracy in their tolerances.
  • the invention has for its object to provide a bearing assembly which eliminates the disadvantages.
  • it is an object of the invention to provide a considerablelyde unit of the wheel hub, bearing assembly and swivel, in which the associated with a certain Radeinschlagwinkel bending angle of a constant velocity joint is reduced by displacement of the Gelenkwellenknickuss to the wheel out.
  • the bearing assembly should be easy to maintain and as easy to assemble and disassemble.
  • the invention is based on the finding that the task can be solved in a surprisingly simple manner that the rotationally fixed connection of the wheel hub and the at least partially retracted into the hub outer hinge body of the rotary joint is effected by a spur gearing, which in corresponding and is incorporated with interconnected surfaces of the wheel hub and swivel joint.
  • the invention is therefore based on a bearing arrangement of a wheel hub of a motor vehicle which can be driven via a rotary joint, in which the wheel hub connected to a wheel flange and an outer joint body of the rotary joint connected to a drive shaft are connected to one another in a rotationally fixed manner, and with a double row rolling bearing arranged on the wheel hub.
  • the double-row roller bearing or components thereof in particular an inner ring or an inner raceway, integrally formed with the wheel hub or be connected as a separate part or separate parts with the hub.
  • the wheel hub in particular a journal of the wheel hub, has a radially inner circumferential surface which encloses a bell-shaped opening widening towards the joint, into which the outer joint body of the joint is inserted at least part of its axial length, the outer contour of the outer joint body substantially corresponds to the inner contour of the inner circumferential surface of the wheel hub, in particular of the pin of the wheel hub, and wherein the outer joint body is at least partially disposed radially below the rolling bearing.
  • At least one end face of the wheel hub, in particular of the pin of the wheel hubs, has a spur toothing, which is rotatably connected to a corresponding spur toothing of the outer joint body of the rotary joint.
  • the joint bell is not only at least partially displaced within the wheel hub, but also the connection between the hub and the joint bell can be lifted in the simplest way.
  • a particular advantage of the solution according to the invention over previous bearing arrangements is above all the simple disassembly of the joint bell. This is achieved by the use of the spur toothing between the joint bell and hub.
  • the connection is preferably biased and secured by an axial screw.
  • the decoupling of the load zones of the joint bell and rolling bearing has a positive effect. It prevents the transmission of deformations and also thermally separates the units mentioned.
  • Another advantage is the high rigidity of the bearing arrangement, since on the one hand the pitch circle and thus the support base of the bearing is very large, on the other hand, the force is applied from the flange to the rows of balls as directly as possible.
  • the inserted bells can be machined or through Forming be made.
  • a narrow ring formed axially in the wheel hub on the joint side is present for forming or receiving the spur toothing in this.
  • the spur toothing can be formed, for example after folding the ring by rolling rivets radially outward to a collar in the resulting federal government.
  • a circumferential bead material thickening formed axially in the wheel hub on the joint side is present, in which the spur toothing can be formed or formed.
  • another, not in this case, separate inner ring is an integral part of the wheel hub, ie by the integral connection of this inner ring with the wheel hub is a raceway of a rolling element of the rolling bearing incorporated in the wheel hub.
  • a bolt bearing against the wheel hub is screwed into a central threaded bore of the outer joint body and fixes the outer joint body axially on the wheel hub.
  • an embodiment of the invention which is characterized in that a coaxially mounted on the bolt clamping plate is supported with its radially outer edge against a radially inwardly cantilevered rim of the wheel flange.
  • the bolt is a hollow screw, which is screwed into a provided with an internal thread central opening of the outer joint body.
  • the hollow screw can be made as a sheet metal forming part, thereby contributing to weight savings.
  • the hollow screw rests with an axially outer edge on a radially inwardly cantilevered rim or on a shoulder of the wheel hub.
  • the spur toothing is formed in a wheel-side end region of the outer joint body and in a radially inner collar of the wheel hub.
  • the spur gear is laid in the interior of the bearing assembly and in the interior of the hub. This can be advantageous, in particular with regard to a sealing of the serrations. It is also possible to combine an inner spur gear toothing with an outer spur gear toothing, that is to say to attach the spur toothings to two axially and radially spaced-apart regions of the bearing assembly.
  • the outer joint body is connected to a bellows, which rests axially at least on said collar of the wheel hub.
  • the spur toothing is a Hirth toothing, in particular with radially extending teeth with a number of 20 to 100, in particular from 40 to 60, is.
  • the serration is designed such that the teeth only partially, i. are formed on one or more areas on the scope of action.
  • the teeth of the spur gear teeth are inclined to a plane perpendicular to the bearing axis.
  • the invention also relates to a method for producing a bearing assembly according to the invention.
  • the spur toothing can be formed in a hinge-side axially formed in the wheel hub circumferential bead.
  • the rolling bearing is mounted on the hub.
  • a separate bearing inner ring are pushed onto the wheel hub and a collar for axial Securing and bias of the separate bearing inner ring are formed by Wälznieten or another forming process.
  • the assembly of the rolling bearing can take place prior to the formation of the spur toothing in the ring or in the bead or production of the narrow ring or bead or around the narrow ring, but also afterwards.
  • roller bearing is mounted on the hub, that then pushed the separate bearing inner ring on the hub and the federal government for axial securing and bias of the separate bearing inner ring is formed by Wälznieten, and then the joint side axially the wheel hub an undercut is made while remaining a narrow ring, which is then bent by Wälznieten or another forming method radially outward to form a federal, in which finally the spur toothing is formed.
  • the roller bearing (9) is mounted on the wheel hub (2), the separate bearing inner ring (15) pushed onto the wheel hub (2) and a collar (17) for axial securing and preloading the separate bearing Inner ring (15) is formed by Wälznieten.
  • the spur toothing (3, 4) can be formed in the federal government.
  • the spur toothing is formed by means of a striker in the collar, the board or the bead.
  • the outer joint body is inserted axially into the opening for rotationally fixed connection of the rotary joint with the wheel hub until the spur gears of wheel hub and joint body engage with each other.
  • a clamping plate mounted coaxially on the bolt may preferably be supported with its axially and radially outer edge against a rim of the wheel flange which projects radially inwards.
  • Fig. 1 is a sectional view through a first embodiment of a
  • Fig. 2 is a sectional view through a second embodiment of a
  • FIG. 3 is a sectional view through a third embodiment of a bearing assembly according to the invention
  • 4 shows a sectional view through a wheel hub according to FIG. 3 in the half-finished state
  • FIG. 3 is a sectional view through a third embodiment of a bearing assembly according to the invention
  • FIG. 5 is a sectional view through the hub of FIG. 3 in the finished state
  • FIG. 6 shows an alternative sectional view through the wheel hub according to FIG. 3 in the half-finished state
  • FIG. 7 shows an alternative sectional view through the wheel hub according to FIG. 3 in the finished state
  • Fig. 8 is a sectional view of another embodiment of a
  • a bearing assembly 1 is shown in longitudinal section, wherein the same reference numerals are used for the same components below.
  • a first embodiment of a bearing assembly 1 is shown in longitudinal section.
  • the bearing assembly 1 has a wheel hub 2 of a motor vehicle, not shown.
  • the wheel hub 2 is connected via a spur gear teeth 3, 4 with a rotary joint 5, for example a constant velocity joint.
  • the wheel hub 2 has at one axial end a radially parked wheel flange 6 for receiving a wheel rim, not shown.
  • the swivel joint 5 has, in a manner known per se, an outer joint body 7, which is shown only partially, and which on its inner lateral surface has only indicated raceways 8 for accommodating joint balls.
  • the outer joint body 7 is also called a bell crank due to its external shape.
  • a joint inner part (not shown), which likewise has raceways for receiving the joint balls on its outer lateral surface and is connected to a tubular portion of a propeller shaft, is known to belong to the swivel joint 5.
  • a double-row roller bearing 9 is arranged in the form of an angular contact ball bearing in O arrangement.
  • the roller bearing 9 has an outer ring 10, to which a mounting flange 11 is formed for a brake disc, and a two-part inner ring 12. Between the outer ring 10 and the inner ring 12 serving as rolling elements bearing balls 13 are arranged.
  • the inner ring 12 consists of two bearing inner rings 14 and 15, wherein an axially inner bearing inner ring 14 is integrally formed on the wheel hub 2, while an axially outer bearing inner ring 15 is a separate component which is pushed onto a stub axle 16 of the wheel hub 2.
  • an axial end face of the stub axle 16 has been converted in a conventional manner to a radially outwardly widening board 17.
  • the board 17 secures the bearing inner ring 15 in its position and biases the rolling bearing 9 with a predetermined force.
  • the spur toothing 3 is formed, which corresponds to the spur toothing 4 of the outer joint body 7 of the joint 5.
  • the axle journal 16 has an inner circumferential surface 18 which delimits a bell-shaped opening 19 widening to the hinge 5.
  • an outer lateral surface 20 of the outer joint body 7 is adapted to the contour of the lateral surface 18 or the opening 19.
  • the visible in Fig. 1 space in the opening 19 can be filled or filled with a sealant or an easy-to-dissolve adhesive.
  • the outer joint body 7 is inserted axially into the opening 19 until the spur gears 3, 4 engage from the wheel hub 2 and the joint body 7. Subsequently, a screw bolt 21 is screwed into a central threaded bore 22 of the outer joint body 7.
  • a coaxially mounted on the bolt 21 clamping plate 23 is supported with its axially and radially outer edge against a radially inwardly cantilevered rim 24 of the wheel flange 2 from.
  • the existing sheet metal clamping plate 23 presses against the board 24, whereby the outer joint body 7 is axially retracted into the wheel flange 2, namely until the spur gears 3, 4 engage under bias in one another.
  • the relatively flexible clamping plate 23 of the connection of the wheel flange 2 with the joint 5 a degree of flexibility and serves for Vorspannreserve the screw.
  • a hollow screw 25 is screwed into an internally threaded central opening 26 of the outer joint body 7.
  • the hollow screw 25 rests with an axially outer edge 27 on a radially inwardly cantilevered rim 28 of the wheel hub 2.
  • the outer joint body 7 is pulled axially inwards into the opening 19 of the wheel hub 2 or the axle journal 16 and braced against the wheel hub 2.
  • the spur gears 3, 4 engage each other and provide a rotationally fixed connection of the joint 5 with the wheel hub 2 ago.
  • FIG. 3 shows a third exemplary embodiment of the bearing arrangement 1 according to the invention, which largely corresponds to the variant illustrated in FIG. 2.
  • a hollow screw 25 is provided for connecting joint 5 with the wheel hub 2, which is supported here with its radially outer edge 27 on a shoulder 29 in the wheel hub 2.
  • the spur gear teeth 3 ', 4' is not formed in the joint-side board 17 of the hub 2 and in the corresponding region of the outer joint body 7, but at the wheel-side axial end portion of the outer joint body 7 and a radially inner collar 30 of the hub 2 formed.
  • the gear or joint-side end of the outer joint body 7 is free, that is not connected to the wheel hub 2 or the collar 17 of the wheel hub 2.
  • the outer joint body 7 is connected to a bellows 31 which, inter alia, ensures a seal between the joint 5 and the hub 2.
  • the bellows 31 is to the front of the collar 17 of the hub 2.
  • spur gear teeth 3, 4 according to the embodiments shown in FIGS. 1 and 2 with the spur gear teeth 3 ', 4' shown in FIG. 3, that is to say both types of spur gear teeth to provide axially outside and axially inside.
  • FIGS. 4 and 5 the wheel hub 2 from FIG. 3 is shown in two different production stages. 4, the roller bearing 9 is already fully assembled, the separate bearing inner ring 15 has been pushed and the collar 17 has been formed for the preload of the rolling bearing 9 by Wälznieten. A joint inner side radially in the hub 2, radially inner relief groove 32 is designed so that a narrow ring 33 remains. It is also possible to form the ring 33 during drop forging of the main body of the wheel hub 2 of these and optionally nachzuspanen.
  • Fig. 5 the next manufacturing step is shown, in which the ring 33 folded by rolling rivets, that is bent radially outward. This results in the collar 30, in which the end toothing 3 'is formed integrally or simultaneously with the bending.
  • FIGS. 6 and 7 the wheel hub 2 from FIG. 3 is shown in two production stages of an alternative manufacturing method.
  • the wheel hub 2 from FIG. 3 is shown in two production stages of an alternative manufacturing method.
  • Wheel hub 2 according to FIG. 6, the roller bearing 9 is also already assembled, the separate bearing inner ring 15 is pushed on and the collar 17 is rotated by rolling bearings. rivets have been formed.
  • a spherical, annular bead 34 has been integrally formed axially in the wheel hub 2, either during drop forging of the main body of the wheel hub 2 or through a subsequent deformation process.
  • Fig. 7 the next manufacturing step is shown, in which in the bead 34 by means of a striker, not shown, the spur gearing 3 'has been introduced. Now, the wheel hub 2 is completed and can be connected to the outer joint body 7 in the manner described.
  • the bearing arrangements 1 according to the invention shown in FIGS. 8 and 9 differ in each case from the above-described embodiments in that the separate bearing inner ring 15 is prestressed by a radial shaping 35 of the outer joint body 7 instead of by a rolling rivet collar or rim 17.
  • the embodiments according to FIGS. 8 and 9 differ only in the design of the radial shaping 35 of the outer joint body 7 used for the pretensioning.
  • the spur gear teeth 3, 3 ', 4, 4' of the wheel hub 2 and rotary joint 5 may each be designed as a Hirth toothing.
  • the outer joint body 7 may consist of a solid material or be formed as a sheet metal forming part.

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

Abstract

L'invention concerne un ensemble palier (1) d'un moyeu (2) de roue d'un véhicule à moteur, lequel moyeu peut être entraîné par le biais d'une articulation tournante (5), le moyeu (2) de roue, relié à un flasque (6) de roue, et un corps extérieur (7) de l'articulation tournante (5), reliée à un arbre d'entraînement, étant solidaires en rotation l'un de l'autre, lequel moyeu de roue présente une enveloppe (18) intérieure dans le sens radial, qui entoure une ouverture en cloche (19) s'élargissant en direction de l'articulation (5), ouverture dans laquelle le corps extérieur (7) de l'articulation (5) est inséré au moins sur une partie de sa longueur axiale, le contour extérieur du corps extérieur (7) de l'articulation correspondant sensiblement au contour intérieur du moyeu de roue et ledit corps extérieur (7) étant placé au moins partiellement en dessous du palier à roulement (9) dans le sens radial. L'objectif de l'invention est de permettre un assemblage démontable du moyeu de roue et de l'articulation tournante et d'obtenir un ensemble palier de construction compacte. A cet effet, au moins une face frontale du moyeu (2) de roue présente une denture droite (3; 3') pouvant être reliée, de façon solidaire en rotation, à une denture droite correspondante (4, 4') du corps extérieur (7) de l'articulation tournante (5).
PCT/DE2008/000634 2007-04-20 2008-04-16 Ensemble palier d'un moyeu de roue d'un véhicule à moteur, pouvant être entraîné par le biais d'une articulation tournante, et procédé de fabrication dudit ensemble WO2008128515A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007018803.1 2007-04-20
DE200710018803 DE102007018803A1 (de) 2007-04-20 2007-04-20 Lageranordnung einer über ein Drehgelenk antreibbaren Radnabe eines Kraftfahrzeuges und Verfahren zu ihrer Herstellung

Publications (1)

Publication Number Publication Date
WO2008128515A1 true WO2008128515A1 (fr) 2008-10-30

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PCT/DE2008/000634 WO2008128515A1 (fr) 2007-04-20 2008-04-16 Ensemble palier d'un moyeu de roue d'un véhicule à moteur, pouvant être entraîné par le biais d'une articulation tournante, et procédé de fabrication dudit ensemble

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DE (1) DE102007018803A1 (fr)
WO (1) WO2008128515A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101797870A (zh) * 2008-12-24 2010-08-11 Skf公司 定速接头与机动车轮毂轴承单元之间的耦接件
US11541689B2 (en) * 2019-05-20 2023-01-03 Hyundai Motor Company Axle assembly for drive wheels of vehicles

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GB2075635A (en) * 1980-05-09 1981-11-18 Loehr & Bromkamp Gmbh Hub assembly
DE3116720C1 (de) * 1981-04-28 1982-10-28 Loehr & Bromkamp Gmbh Lagerungsanordnung einer ueber ein Gleichlaufdrehgelenk antreibbaren Radnabe
DE3219747A1 (de) * 1982-05-26 1983-12-01 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Formschluessige verbindung zwischen einer antriebswelle und einer waelzlagereinheit
GB2186534A (en) * 1986-02-14 1987-08-19 Loehr & Bromkamp Gmbh Vehicle hub assembly
US6146022A (en) * 1997-12-25 2000-11-14 Ntn Corporation Hub unit bearing for wheel
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101797870A (zh) * 2008-12-24 2010-08-11 Skf公司 定速接头与机动车轮毂轴承单元之间的耦接件
CN101797870B (zh) * 2008-12-24 2014-06-11 Skf公司 定速接头与机动车轮毂轴承单元之间的耦接件
US11541689B2 (en) * 2019-05-20 2023-01-03 Hyundai Motor Company Axle assembly for drive wheels of vehicles

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