WO2006034785A2 - Composant pourvu d'un systeme antirotation - Google Patents

Composant pourvu d'un systeme antirotation Download PDF

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Publication number
WO2006034785A2
WO2006034785A2 PCT/EP2005/009906 EP2005009906W WO2006034785A2 WO 2006034785 A2 WO2006034785 A2 WO 2006034785A2 EP 2005009906 W EP2005009906 W EP 2005009906W WO 2006034785 A2 WO2006034785 A2 WO 2006034785A2
Authority
WO
WIPO (PCT)
Prior art keywords
component
nose
rotation
component according
main extension
Prior art date
Application number
PCT/EP2005/009906
Other languages
German (de)
English (en)
Other versions
WO2006034785A3 (fr
Inventor
James Brown
Charles Schwab
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 WO2006034785A2 publication Critical patent/WO2006034785A2/fr
Publication of WO2006034785A3 publication Critical patent/WO2006034785A3/fr

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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/64—Special methods of manufacture
    • 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
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/588—Races of sheet metal
    • 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/063—Fixing them on the shaft
    • 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/067—Fixing them in a housing

Definitions

  • the invention relates to a component with an anti-rotation device according to the Ober ⁇ concept of claim 1 and a method for producing the same.
  • a conventional anti-twist device is formed as a straight nose extending from the disc wall.
  • lugs usually protrude in the direction of the inner diameter and become effective as a rotation lock by engagement in a region of the corresponding part.
  • the lugs usually protrude in the direction of the outer diameter and, in turn, become effective as an anti-twist device by engaging in a region of a corresponding part.
  • the straight shape of the formed nose leads to stress concentrations and increases in the training area, which can cause cracks.
  • a flange disc flanged noses there are also outgoing from a flange disc flanged noses.
  • the noses from the Disk plate formed out protrude in the direction of the inner diameter ago and be effective by engaging in a portion of the corresponding part as rotation.
  • the lugs are formed out of the disk board, protrude in the direction of the outer diameter and, in turn, become effective in preventing rotation by engagement in a region of the corresponding part.
  • the curling leads to an interruption of the disk geometry, which in turn can lead to increases in tension and, as a consequence, to cracks.
  • Nasengeometrien often cause an interruption of the disc geometry, resulting in one or more concentrations of stress. Stress concentrations can cause cracks, e.g. can arise during the shaping process. In addition, cracks or total breaks at any time during further processing, e.g. occur during a heat treatment or during assembly or handling at the customer, in particular during the operation itself, which often causes the total failure of the component and the associated products.
  • the invention has for its object to provide a component with a Verfitsiche ⁇ tion that fulfills the function of a classic anti-rotation, without causing voltage increases.
  • this object is achieved by a component having the features of patent claim 1, correspondingly formed discs or bushes having the features of patent claims 2, 3 and 4, and a thrust bearing having the features of patent claim 10.
  • a component with at least one anti-twist device or the embodiment of the anti-rotation device according to the invention With the configuration according to the invention of a component with at least one anti-twist device or the embodiment of the anti-rotation device according to the invention, the voltage increases caused by conventional anti-rotation devices can be effectively avoided.
  • the nose geometry according to the invention prevents the usual voltage increases, so that the components according to the invention are less susceptible to cracks and fractures. Step-shaped or in the mathematical sense discontinuous shapes, as they occur in conventional straight noses, are inventively avoided.
  • the anti-rotation device acts by engagement of the inventively designed nose in a corresponding component or engagement of the corresponding component in the Ausspa ⁇ invention.
  • the provision of such an anti-rotation geometry is associated with the provision of conventional anti-rotation geometries at no extra cost.
  • the anti-rotation device according to the invention is easy to provide and can also be provided on existing parts with minimal tool adaptations.
  • the component is formed as a disc with a substantially ebe ⁇ NEN main extension region, wherein at least one nose extends substantially perpendicular to the main extension region.
  • an anti-rotation on a disc is advantageous in order to prevent wear on the disc and the counterpart.
  • the component also proves to be advantageous to form the component as a bushing with a substantially cylindrical shell-like main extension region, wherein at least one nose extends substantially perpendicular to this main extension region. Due to the configuration of the invention, a rotation of a bush (eg bearing bush) against a Corresponding component, which is guided on the inner or outer diameter of Buch ⁇ se, are effectively prevented, which reduces wear on the socket and the corresponding component.
  • a bush eg bearing bush
  • the component has at least one substantially main extension region and at least one edge region extending substantially perpendicular thereto, wherein the at least one anti-rotation device is formed in a main extension region and / or in a wall region.
  • Such embodiments are advantageously implemented e.g. used for flanged wheels, and allow the provision of a Vermosi ⁇ insurance, without interrupting the board of the disc.
  • the component with at least three anti-rotation safeguards which are arranged asymmetrically with respect to an axis of the component.
  • Such a configuration fulfills a dual function: In addition to providing the anti-twist device, a false or incorrect assembly of the component and a corresponding component to be assigned to it against torsion, which has recesses corresponding to the invention, are mechanically prevented.
  • the rotation is formed by a substantially semi-conical nose. This preferred rounded configuration prevents stress risers, making the parts less susceptible to cracking and breakage.
  • At least one nose is substantially semi-cylindrical in shape. This rounded geometry also largely prevents the occurrence of voltage increases.
  • the anti-rotation device according to the invention is particularly preferred to form with a substantially hemispherical nose.
  • This rounded embodiment largely avoids the occurrence of stress-induced cracks and fractures.
  • a nose of the component expediently fulfills further functions, in particular retaining nose functions, oil passage functions. Frequently, such functions are to be provided on a component and can be combined by the present invention with the anti-rotation function.
  • a component according to the invention in a thrust bearing (roller bearing / needle bearing).
  • a thrust bearing roller bearing / needle bearing
  • known assembly methods can be used for the assembly of a bearing incorporating a component according to the invention.
  • a component designed as a disk is provided with at least one anti-twist device in an automatic transmission, in which the bearing runs against a housing made of light metal. This embodiment reduces any wear occurring.
  • the at least one nose of a component according to the invention is produced by stamping. It is a simple and low-risk form of production.
  • FIG. 1 shows a plan view of a preferred embodiment of an inventively designed axial needle bearing and an enlarged plan view and a side view of an anti-rotation nose according to the invention
  • FIG. 2 shows a preferred embodiment of the nose design according to the invention in plan view and in cross section
  • FIG. 3 shows a further particularly preferred embodiment of the invention.
  • an axial needle bearing is designated by 100 as a whole.
  • bearing rollers 131 are fastened by two bearing components 110, 120.
  • Component 110 is designed as a flanged wheel, with an inner, perpendicularly arranged wall region 112 extending from an outer main extension region 111 in the form of a ring.
  • Component 120 is designed as a flange, wherein a main extension region 121 in ring form is bounded by a wall region 122 oriented substantially perpendicular thereto.
  • bearing rollers 131 are arranged between the two wall regions 112, 122 arranged substantially parallel to one another.
  • the bearing function is provided by rotating the two components 110 and 120.
  • two anti-rotation locks 113, 113 'according to the invention are formed.
  • the symmetrical d. H. lying on a diameter arrangement of the anti-rotation 113, 113 ' allows in this preferred embodiment, two installation options of the component 110 against rotation to be assigned corresponding component (not shown).
  • the component 110 against rotation attributable component is suitably guided on the inner diameter of the wall portion 112.
  • the anti-rotation devices 113, 113 'formed perpendicular to the wall region 112 ensure the anti-rotation function by engagement in the corresponding component.
  • FIG. 1 b shows the enlarged top view of an anti-rotation device 113 which, in a preferred embodiment, is formed in one piece projecting from the wall region 112. It can be seen the rounded transition of the edge of the wall portion 112 in the rounded shape of the nose 113th
  • FIG. 1c shows the side view of an encapsulated axial needle bearing 100. long section line AA. Sliced areas are shown hatched.
  • the component 120 facing the viewer in FIG. 1a is located at the left edge of FIG. 1c, the component 110 removed from the viewer in FIG. 1a is located at the right edge in FIG. 1c.
  • the essentially annular main extension region 121 together with the essentially perpendicularly formed wall region 122 of the component 120 forms the storage space 130 together with the essentially annular main extension region 111 and the substantially perpendicularly formed wall region 112 of the component 110.
  • In the storage room 130 are the bearing rollers 131, which are arranged on bearing axles 132.
  • the bearing rollers 131 allow the free rotation of the components 110 and 120 to each other, which provides the bearing function of the axial needle bearing 100.
  • a corresponding component to be assigned to the component 110 in a manner secure against rotation is expediently arranged on the inner diameter of the wall region 112.
  • the anti-rotation devices 113, 113 ' engage in corresponding recesses of the corresponding component.
  • FIG. 1 d shows the enlarged side view of a preferred embodiment of an anti-rotation nose 113 '.
  • the main extension area In the main extension area
  • an anti-rotation nose 113 ' is formed.
  • the anti-rotation lug 113 ' is formed substantially semi-conical.
  • the bottom line 114 of the cone concludes with the wall region 112.
  • the tip 115 of the cone merges into the plane of the wall region 112.
  • the geometry of the wall portion 112 is not interrupted by the Ausbil ⁇ tion of the rotation 113, 113 '.
  • the correspondingly rotatable component (not shown) to be assigned would expediently be positioned on the inner diameter of the wall region 112, ie above FIG. 1d.
  • Figure 2a shows another preferred embodiment of the component.
  • the nose 200 is designed as a flanged wheel, wherein substantially substantially perpendicularly formed wall portion 201 extends from the substantially ringför ⁇ mig formed main extension region 202.
  • the anti-twist device 203 extends substantially perpendicularly from the wall region 201.
  • the nose 203 is substantially semicylindrical in shape.
  • FIG. 2b shows an enlarged plan view of the nose 203.
  • the rounded shape can clearly be seen.
  • the upper boundary line of the cylindrical nose 203 closes with the upper boundary line of the wall region
  • the illustrated form shows a cylinder stretched in the middle region.
  • a pure half-cylinder shape is conceivable.
  • FIG. 2 c shows an enlarged cross-section through the component 200 according to the invention at the location of the anti-rotation device 203.
  • the wall region 201 which is designed to be substantially perpendicular thereto, adjoins the main extension region 202, which has a substantially ring-shaped configuration.
  • the substantially cylindrically shaped lug 203 is formed, which in the present embodiment is designed substantially vertically upwards, which corresponds to a design on the outer diameter of the wall region 201.
  • a corresponding component (not shown) which can be assigned to the component 200 in a rotationally secure manner would be located on the outside of the wall of the substantially vertically extending wall region 201.
  • the anti-rotation 203 would engage in a corresponding recesses of the rotationally assigned component.
  • FIG. 3 shows a further preferred embodiment of a component according to the invention.
  • the component is embodied as a flanged disk 300, which is formed by a substantially annular main extension region 302 and an adjoining wall region 301 formed substantially perpendicular thereto.
  • Three anti-rotation locks 303, 303 ', 303 are formed in a preferred embodiment from the wall area 301.
  • the anti-rotation devices may, for example, be substantially half-conical, semi-cylindrical and / or hemispherical three torsion-fuses 303, 303 '303 "on the wall area asymmetric, ie not equal angles including, formed to each other. In this preferred embodiment, for example, they include angles of 110 °, 120 °, 130 ° with one another.
  • a component to be assigned to the component 300 in a manner secure against rotation would be guided on the outer diameter of the wall region 301.
  • the recesses (not shown) corresponding to the anti-rotation locks 303, 303 ', 303 "in the corresponding component would enclose the identical angles 110 °, 120 °, 130 °.
  • the component 300 becomes two Functions fulfilled.
  • a fuse is provided against incorrect or twisted assembly.
  • the component 300 to be assigned without rotation corresponding component can be assigned only in a vor ⁇ certain manner. This predetermined manner results from the angles enclosed by the anti-rotation devices 303, 303 ', 303 "and their respective recesses. LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Operated Clutches (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

L'invention concerne un composant (110) pourvu d'au moins un système antirotation (113, 113') qui est configuré sous la forme d'un nez faisant saillie par rapport à une surface (112) du composant, ou sous la forme d'un évidement ménagé dans une surface du composant, ledit système antirotation étant conçu pour empêcher une rotation du composant (110) par rapport à un autre composant bloqué en rotation lui étant associé. Selon l'invention le(s) nez (113, 113') et/ou l'/les évidement(s) est/sont configuré(s) de manière arrondie.
PCT/EP2005/009906 2004-09-28 2005-09-15 Composant pourvu d'un systeme antirotation WO2006034785A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61368404P 2004-09-28 2004-09-28
US60/613,684 2004-09-28

Publications (2)

Publication Number Publication Date
WO2006034785A2 true WO2006034785A2 (fr) 2006-04-06
WO2006034785A3 WO2006034785A3 (fr) 2006-06-29

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ID=35825366

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Application Number Title Priority Date Filing Date
PCT/EP2005/009906 WO2006034785A2 (fr) 2004-09-28 2005-09-15 Composant pourvu d'un systeme antirotation

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015222655A1 (de) 2015-11-17 2017-05-18 Schaeffler Technologies AG & Co. KG Lageranordnung für ein Axial-Nadellager

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1700100A (en) * 1929-01-22 Bushing
US2124060A (en) * 1935-05-22 1938-07-19 Gen Motors Corp Method of making bronze faced bearings
US3597027A (en) * 1969-02-28 1971-08-03 Gen Motors Corp Thrust bearing
US3930692A (en) * 1975-01-20 1976-01-06 The Torrington Company Combined radial and thrust bearing
USH242H (en) * 1986-07-08 1987-04-07 The United States Of America As Represented By The Secretary Of The Navy Method of keying outer bearing race to housing
US4770547A (en) * 1986-06-03 1988-09-13 Ae Plc Bearings
DE4416320A1 (de) * 1993-07-17 1995-01-19 Schaeffler Waelzlager Kg Axialwinkelscheibe
DE19856351C1 (de) * 1998-12-07 2000-04-13 Bosch Gmbh Robert Radialkolbenpumpe
DE10227377A1 (de) * 2002-06-20 2004-01-15 Ina-Schaeffler Kg Axialwinkelscheibe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1575454B1 (de) * 1966-01-08 1970-01-22 Fiat Spa Gelenkige Verbindung fuer zwei Stangen,insbesondere an Scheibenwischern von Kraftfahrzeugen

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1700100A (en) * 1929-01-22 Bushing
US2124060A (en) * 1935-05-22 1938-07-19 Gen Motors Corp Method of making bronze faced bearings
US3597027A (en) * 1969-02-28 1971-08-03 Gen Motors Corp Thrust bearing
US3930692A (en) * 1975-01-20 1976-01-06 The Torrington Company Combined radial and thrust bearing
US4770547A (en) * 1986-06-03 1988-09-13 Ae Plc Bearings
USH242H (en) * 1986-07-08 1987-04-07 The United States Of America As Represented By The Secretary Of The Navy Method of keying outer bearing race to housing
DE4416320A1 (de) * 1993-07-17 1995-01-19 Schaeffler Waelzlager Kg Axialwinkelscheibe
DE19856351C1 (de) * 1998-12-07 2000-04-13 Bosch Gmbh Robert Radialkolbenpumpe
DE10227377A1 (de) * 2002-06-20 2004-01-15 Ina-Schaeffler Kg Axialwinkelscheibe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015222655A1 (de) 2015-11-17 2017-05-18 Schaeffler Technologies AG & Co. KG Lageranordnung für ein Axial-Nadellager

Also Published As

Publication number Publication date
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