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WO1997013665A1 - Ensemble pour essieu - Google Patents

Ensemble pour essieu Download PDF

Info

Publication number
WO1997013665A1
WO1997013665A1 PCT/EP1996/004465 EP9604465W WO9713665A1 WO 1997013665 A1 WO1997013665 A1 WO 1997013665A1 EP 9604465 W EP9604465 W EP 9604465W WO 9713665 A1 WO9713665 A1 WO 9713665A1
Authority
WO
WIPO (PCT)
Prior art keywords
axle assembly
brake
steering knuckle
assembly according
combination component
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
PCT/EP1996/004465
Other languages
German (de)
English (en)
Inventor
Eckart Op Den Camp
Ulrich Seuser
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of WO1997013665A1 publication Critical patent/WO1997013665A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/18—Steering knuckles; King pins
    • 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
    • B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
    • B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/50—Constructional features of wheel supports or knuckles, e.g. steering knuckles, spindle attachments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0008—Brake supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0008—Brake supports
    • F16D2055/0012—Brake supports integral with vehicle suspension
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0037—Protective covers

Definitions

  • the invention relates to an axle assembly, in particular for the front axle of a front-driven motor vehicle, according to the preamble of claim 1.
  • axle assembly is known from DE-A-33 40 442.
  • the construction described there uses stamped and pressed sheet metal components to save weight. No further details regarding the material used can be found in this document.
  • the steering knuckle of the construction shown is matched to the combination component and does not allow either a disc brake or a drum brake to be used on the axle assembly without modifications.
  • the invention is based on the object of providing an axle assembly which is lighter than conventional constructions and which can be produced more cost-effectively and quickly and which nevertheless has sufficient stability.
  • axle assembly which has the features specified in claim 1.
  • the axle assembly construction according to the invention can be produced inexpensively by the mutually facing, continuously flat end faces, since such flat end faces enable a part to be machined to be clamped in well and thus to be easy to machine.
  • the separation of the combination component and steering knuckle along a continuous plane has the advantage that either a disc brake or a drum brake can be attached to the steering knuckle assembly without a substantial change in the steering knuckle.
  • the materials of the combination component and axle stub can be selected in accordance with the intended use, as a result of which the axle assembly according to the invention can be kept light yet inexpensive.
  • the steering knuckle will usually consist of aluminum or an aluminum alloy
  • the combination component can, for example, consist of more stable cast steel in order to better withstand the high surface pressures which are exerted on the brake support of the combination component by circumferential forces generated when braking, if one Disk brake is attached to the axle assembly.
  • the combination component can also consist of a lighter material, for example an aluminum alloy, if problems due to high surface pressures are not to be expected, for example if a drum brake is attached to the axle assembly, for further weight saving.
  • the combination component and the steering knuckle can consist of an aluminum alloy, they are different from one another
  • the material of the steering knuckle must be very tough, while, for example, a combination component used in conjunction with a drum brake must be very tight, ie it must have only a little and no large pores.
  • magnesium alloys can also be used.
  • the wheel bearing housing and the brake support of the combination component are preferably made in one piece with one another, but the brake support can also be a separate component connected to the combination component.
  • axle assembly according to the invention is designed in particular for use on the front axle of a motor vehicle, it can also be used on the rear axle of a motor vehicle without any problems, in particular in connection with the multi-link rear axles which are increasingly used today.
  • the steering knuckle consists of aluminum or sheet steel parts which preferably enclose a circumferential cavity in order to increase the stability of the steering knuckle.
  • this cavity can contain stiffening elements which are adapted to the shape of the cavity and which can be part of components which define the articulation points for fastening the wheel suspension or steering elements. These articulation points can be eyes, for example.
  • the steering knuckle is a cast aluminum part on which the articulation points for the wheel suspension or steering elements are formed in one piece.
  • the steering knuckle has a holder for a speed sensor. The axle assembly according to the invention can thus be used without any problems in vehicles which are equipped with an anti-lock braking system and / or a traction control system or similar systems which require wheel speed signals.
  • the brake support of the combination component is a first brake support arm of a brake support serving to fasten a disc brake to the axle assembly.
  • the first brake carrier arm is advantageously made in one piece with the wheel bearing housing and has an L-shaped cross-sectional shape.
  • the first brake carrier arm is the arm of the brake carrier which absorbs the circumferential forces which arise during braking during forward travel and which are introduced into it via the brake lining carrier plates.
  • the combination component therefore preferably consists of steel.
  • Embodiment is also a second brake carrier arm, which absorbs the circumferential forces generated during braking in reverse, part of the combination component.
  • the first brake carrier arm is designed so that it can absorb both the circumferential forces that occur during braking in forward travel and the circumferential forces that occur during braking in reverse travel.
  • conventional brake pads cannot be used in this embodiment.
  • brake linings are required whose lining carrier plate is designed in such a way that peripheral forces can be transmitted to the first brake carrier arm regardless of the direction of rotation.
  • the second brake associated with the brake carrier is low-arm part of the steering knuckle and has an in particular L-shaped cross-sectional shape corresponding to the first brake arm.
  • This embodiment makes it possible to form the second brake carrier arm from the material of the steering knuckle, which is preferably an aluminum alloy, in order to save weight. Since the circumferential forces that occur when braking in reverse are usually significantly lower, the surface pressures that occur can also withstand a brake carrier arm made of an aluminum alloy, unless a construction is chosen without the first, which describes the first brake carrier arm independently of the resulting circumferential forces of the direction of rotation of the braked wheel.
  • the brake support of the combination component is used for fastening a drum brake to the axle assembly and is formed in one piece with the wheel bearing housing as a support ring which bears an abutment which supports the circumferential forces arising during braking takes up, which are initiated via the brake shoes.
  • a combination component preferably consists of an aluminum alloy and can be a cast part or a forged part.
  • the abutment which absorbs the circumferential forces arising during braking and / or a brake cylinder is formed in one piece with the combination component or the support ring.
  • the combination component can be made of steel or of a suitable light metal alloy.
  • the combination component is preferably made of steel if it is to be connected to a disc brake and is made of one Light alloy made when a drum brake is to be attached to the axle assembly.
  • the steering knuckle is preferably made of a light alloy, but it can also be made of a steel alloy.
  • FIG. 1 shows an exploded cross-sectional view of a first exemplary embodiment of an axle assembly according to the invention, which is provided for receiving a disc brake
  • FIG. 2 shows a top view corresponding to the top view II-II from FIG. 1 of a second embodiment of an axle assembly according to the invention, somewhat modified compared to the first embodiment,
  • FIG 3 shows an exploded cross-sectional view of a third exemplary embodiment of an axle assembly according to the invention, in which the steering knuckle, not shown, is connected to a drum brake, and
  • FIG. 4 shows a spatial representation of a combination component shown in FIG. 3, which integrates a wheel bearing housing and a brake support.
  • FIG. 1 shows a first exemplary embodiment of an axle assembly, generally designated 10, which is provided for connection to a disc brake 12.
  • the axle assembly 10 includes a steering knuckle 14 which is cast in one piece from an aluminum alloy and has a ring-shaped one Base body 16, from which a support arm 18 projects axially and radially.
  • the support arm 18 forms the lower attachment point of a strut (not shown here) of a front wheel suspension, which can be attached to the support arm 18 by means of two screws.
  • Such struts which combine a shock absorber and a coil spring concentrically surrounding it, are also known under the term McPherson suspension and are widely used in today's cars.
  • Two eyes 20 and 22, which form articulation points 24 and 26, also project essentially axially away from the annular base body 16 of the steering knuckle 14.
  • the articulation point 24 formed by the eye 20 serves to fasten a tie rod belonging to the steering, while the articulation point 26 formed by the eye 22 serves to fasten a wishbone of the front wheel suspension.
  • a holder 28 extends from the annular base body 16 of the steering knuckle 14, in the through bore of which a speed sensor 30 can be inserted, which is fixed by means of a screw 32.
  • the support arm 18, the eyes 20 and 22 and the holder 28 are integrally connected to the annular base body 16.
  • the axle assembly 10 also includes a combination component 34, which has an axially extending, ring-shaped wheel bearing housing 36 and two integrally connected, in cross-sectional view, L-shaped brake support arms, of which only a first brake support arm 38 is shown in FIG and which together form a brake carrier used for fastening the disc brake 12.
  • the first brake carrier arm 38 absorbs the circumferential forces which are introduced when the brake carrier plates 39 of the disk brake 12 move forward into the first brake carrier arm 38 by the brake carrier plates 39 being supported on the short leg 38a in the circumferential direction.
  • the combination component 34 is made of spheroidal graphite cast iron and takes in the wheel bearing housing 36 a conventional, double-row spherical bearing 40 with a two-part inner ring 42 and a one-part outer ring 44.
  • the combination component 34 and the steering knuckle 14 each have an end face 46 or 48 which intersects the wheel axis A, is arranged perpendicular to it and is continuously flat. Both end faces 46 and 48 face each other and define the continuously flat separating surface between the combination component 34 and the steering knuckle 14, which constitutes the variability of the construction shown and enables either a disc brake or a drum brake with virtually no change in the steering knuckle to attach to it.
  • annular and substantially flat sheet metal part 50 is arranged, which as
  • Dirt shield is used and in particular to keep splash water away from a brake disk 52 of the disk brake 12.
  • a wheel hub 54 projects with its axially extending stub shaft 58 into the wheel bearing housing 36.
  • the outer circumferential surface of the stub shaft 58 supports the axle assembly 10 in the assembled state the two-part inner ring 42 of the ball bearing 40, while the outer ring 44 is held in the wheel bearing housing 36.
  • the wheel hub 54 has an axial passage recess, which is prepared with a multi-groove profile 60 for receiving a correspondingly configured end region of a drive shaft (not shown), which extends to the right in FIG. 1 through the steering knuckle 14.
  • the steering knuckle 14 and the combination component 34 are screwed together by means of four screws 62, each of which extends through a corresponding recess 64 in the steering knuckle 14 and into an internal thread 66 in the combination component 34.
  • the disc brake 12 is fastened to the brake carrier by means of two screws 68, the threaded end of which cuts 68a engage in a bore 70 provided on the combination component 34 and provided with an internal thread.
  • FIG. 2 shows a second embodiment of an axle assembly 10 that is somewhat modified compared to the first embodiment from FIG.
  • the first brake carrier arm 38 is made in one piece with the combination component 34 or its wheel bearing housing 36, while the second brake carrier arm 72 is made in one piece with the steering knuckle 14 made of cast aluminum.
  • the first brake carrier arm 38 in the second embodiment in cooperation with the lining carrier plates 39, is able to absorb both the circumferential forces that occur during braking in forward travel and also during braking in reverse travel.
  • the first brake carrier arm 38 has hook-shaped extensions 74 into which corresponding hooks 76 formed on each lining carrier plate 39 engage.
  • the second brake support arm 72 is therefore only used to properly guide the brake linings and has almost no supporting function.
  • FIG. 10 A third exemplary embodiment of an axle assembly 10 is shown in FIG.
  • a drum brake 80 is part of the axle assembly 10 in the third embodiment.
  • a brake cylinder 86 is also formed in one piece with the combination component 34 'and is supported by the support ring 84 like the abutment 82.
  • the combination component 34 ' also has the flat end face 46, which faces the likewise flat end face 48 of the steering knuckle 14, which is not shown in FIG.
  • the combination component 34 ' which is shown spatially in FIG. 4, is a part cast from an aluminum alloy or else an aluminum forged part.
  • the ball bearing 40 or even its outer ring 44 can already be cast in the casting mold in a cast version of the combination component 34 ', so that it or he does not have to be subsequently introduced into the wheel bearing housing 36.
  • the drum brake 80 includes an assembly 90 comprising the brake shoes 88 and a brake shoe adjusting device and a brake drum 92 which is plugged onto a wheel hub 54 'from the outside and is fastened to it by means of screws (not shown).
  • the drum brake 80 can additionally be provided with a parking brake device.
  • the wheel hub 54 ' represents an embodiment of the kind used for a non-driven wheel, but the wheel hub 54 can also be used just as well if the axle assembly 10 is provided for a driven wheel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Vehicle Body Suspensions (AREA)
  • Braking Arrangements (AREA)

Abstract

L'invention concerne un ensemble pour essieu (10) pour automobile, qui comprend une fusée (14) réalisée dans un premier matériau et comportant des points d'articulation (24, 26) pour fixer des éléments de suspension de roue ou de direction, ainsi qu'un élément de combinaison (34) réalisé dans un second matériau, différent du premier, et comprenant un logement de roulement de roue (36) et un support de frein. L'élément de combinaison (34) ou son support de frein absorbe les forces périphériques qui interviennent lors de freinages en marche avant. L'élément de combinaison (34) et la fusée (14) comportent chacun une face (46 et 48) plane continue, montée perpendiculairement à l'axe (A) de la roue, l'une et l'autre se faisant mutuellement face et définissant conjointement une surface de séparation entre l'élément de combinaison (34) et la fusée (14) d'essieu, qui est plane, continue et coupe l'axe (A) de la roue de préférence à angle droit et le long de laquelle l'élément de combinaison (34) et la fusée (14) d'essieu peuvent être assemblés. L'ensemble pour essieu (10) réalisé à l'aide dudit procédé est économique à produire et peut être aisément adapté à différentes exigences, sans modifications structurales fondamentales.
PCT/EP1996/004465 1995-10-13 1996-10-14 Ensemble pour essieu Ceased WO1997013665A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1995138212 DE19538212A1 (de) 1995-10-13 1995-10-13 Achsbaugruppe
DE19538212.9 1995-10-13

Publications (1)

Publication Number Publication Date
WO1997013665A1 true WO1997013665A1 (fr) 1997-04-17

Family

ID=7774810

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/004465 Ceased WO1997013665A1 (fr) 1995-10-13 1996-10-14 Ensemble pour essieu

Country Status (2)

Country Link
DE (1) DE19538212A1 (fr)
WO (1) WO1997013665A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180265126A1 (en) * 2017-03-15 2018-09-20 Hyundai Motor Company Knuckle apparatus for vehicle suspension system
US20250262899A1 (en) * 2024-02-15 2025-08-21 Volvo Car Corporation Component for a vehicle chassis

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19638842C2 (de) * 1996-09-21 2003-06-18 Fischer Georg Fahrzeugtech Baueinheit für Kraftfahrzeugräder
DE19742027C2 (de) 1997-09-24 2001-08-30 Fischer Georg Fahrzeugtech Radlagerung für Kraftfahrzeugräder
DE19744946A1 (de) * 1997-10-10 1999-04-15 Itt Mfg Enterprises Inc Baugruppe für Räder eines Kraftfahrzeugs
DE19937336A1 (de) * 1999-08-11 2001-02-15 Fischer Georg Fahrzeugtech Trägeranordnung für Kraftfahrzeuge
DE19946891A1 (de) * 1999-09-03 2001-03-08 Continental Teves Ag & Co Ohg Achsbaugruppe insbesondere für eine lenkbare Achse eines Kraftfahrzeuges
EP1081019B1 (fr) * 1999-09-03 2004-03-03 Continental Teves AG & Co. oHG Ensemble pour essieu, notamment pour essieu directeur d'un véhicule automobile
FR2812355B1 (fr) * 2000-07-28 2002-09-13 Roulements Soc Nouvelle Ensemble de roulement interface comprenant au moins une zone de deformation elastique et ensemble de freinage le comprenant
NL1018191C2 (nl) * 2001-05-31 2002-12-03 Skf Ab Wielophangmodule voor een truck.
NL1018299C2 (nl) * 2001-06-15 2002-12-17 Skf Ab Wielophangmodule voor een truck met gedeelde fuseepensteun.
DE10201028A1 (de) * 2002-01-11 2003-07-24 Continental Teves Ag & Co Ohg Trägerbauteil eines Corner-Moduls sowie zugehöriges Corner-Modul
DE10243434A1 (de) * 2002-09-18 2004-03-25 Continental Teves Ag & Co. Ohg Corner-Baugruppe für ein Kraftfahrzeug
DE102004034565A1 (de) * 2004-07-17 2006-02-16 Daimlerchrysler Ag Achsschenkel oder Radträger mit integriertem Bremsträger
DE102011007831A1 (de) * 2011-04-21 2012-10-25 Zf Friedrichshafen Ag Kraftfahrzeug mit zumindest einer radabstützenden Baueinheit
CN104139800A (zh) * 2013-05-07 2014-11-12 泰州神舟传动科技有限公司 工程车用前桥左转向节
DE102014212514A1 (de) 2014-06-27 2015-12-31 Volkswagen Aktiengesellschaft Schwenklager
DE102014111405A1 (de) * 2014-08-11 2016-02-11 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Achsflansch und Bremsträger
DE102014216855B4 (de) 2014-08-25 2023-03-16 Volkswagen Aktiengesellschaft Radträger sowie Verfahren zur Montage eines Bremsenblechs an einen Radträger
DE102015204739B4 (de) 2015-03-16 2020-02-06 Volkswagen Aktiengesellschaft Schwenklager
DE102015210969A1 (de) 2015-06-15 2016-12-15 Volkswagen Aktiengesellschaft Schwenklager
DE202018104834U1 (de) 2017-09-05 2019-01-17 Aktiebolaget Skf Modulare Radlagereinheit
DE102019113939A1 (de) * 2019-05-24 2020-11-26 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Achsschenkel eines Nutzfahrzeuges

Citations (3)

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US2631865A (en) * 1949-04-22 1953-03-17 Roscoe C Hoffman Steering knuckle construction
EP0185899A2 (fr) * 1984-11-13 1986-07-02 The Budd Company Articulation de direction
DE4313624A1 (de) * 1992-05-18 1993-11-25 Budd Co Achsschenkelanordnung

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US4491340A (en) * 1982-12-13 1985-01-01 Itt Industries, Inc. Vehicle wheel axle and brake mounting assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631865A (en) * 1949-04-22 1953-03-17 Roscoe C Hoffman Steering knuckle construction
EP0185899A2 (fr) * 1984-11-13 1986-07-02 The Budd Company Articulation de direction
DE4313624A1 (de) * 1992-05-18 1993-11-25 Budd Co Achsschenkelanordnung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180265126A1 (en) * 2017-03-15 2018-09-20 Hyundai Motor Company Knuckle apparatus for vehicle suspension system
US10518805B2 (en) * 2017-03-15 2019-12-31 Hyundai Motor Company Knuckle apparatus for vehicle suspension system
US20250262899A1 (en) * 2024-02-15 2025-08-21 Volvo Car Corporation Component for a vehicle chassis

Also Published As

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