DE3141131A1 - Means for the axial securing of a needle bearing bush - Google Patents
Means for the axial securing of a needle bearing bushInfo
- Publication number
- DE3141131A1 DE3141131A1 DE19813141131 DE3141131A DE3141131A1 DE 3141131 A1 DE3141131 A1 DE 3141131A1 DE 19813141131 DE19813141131 DE 19813141131 DE 3141131 A DE3141131 A DE 3141131A DE 3141131 A1 DE3141131 A1 DE 3141131A1
- Authority
- DE
- Germany
- Prior art keywords
- needle bearing
- fork
- eye
- bearing bush
- enlarged diameter
- 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
Links
- 238000000641 cold extrusion Methods 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 241000239290 Araneae Species 0.000 abstract 2
- 210000001331 nose Anatomy 0.000 description 8
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
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
- 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
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/40—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes
- F16D3/41—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes with ball or roller 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
- 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
-
- 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
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
- F16C21/005—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement the external zone of a bearing with rolling members, e.g. needles, being cup-shaped, with or without a separate thrust-bearing disc or ring, e.g. for universal joints
-
- 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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/41—Couplings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Automatic Assembly (AREA)
Abstract
Description
Axialsicherung für eine Nadellagerbuchse Axial lock for a needle bearing bush
Die Erfindung betrifft eine Axialsicherung für eine Nadellagerbuchse zur Aufnahme eines Zapfenkreuzes im Gabelauge eines Gabelschenkels einer Gelenkgabel, wobei das Gabelauge einen Paßsitzbereich zur Aufnahme der Lagerbuchse und einen sich nach außen an den Paßsitzbereich anschließenden erweiterten Durchmesserbereich aufweist, und die Nadellagerbuchse gegen axiale Verschiebung nach außen durch, mittels Kaltfließpressen angestauchte, radial nach innen in das Gabelauge weisende Nasen gesichert ist.The invention relates to an axial lock for a needle bearing bush for receiving a cross member in the fork eye of a fork leg of a joint fork, wherein the fork eye has a snug fit area for receiving the bearing bush and a enlarged diameter area adjoining the snug fit area to the outside has, and the needle bearing bush against axial displacement outward by means of Cold extrusion upset noses pointing radially inward into the fork eye is secured.
Es ist eine Axialsicherung gemäß dem Oberbegriff zur Halterung von Nadellagerbuchsen in den Gabelaugen einer Gelenkgabel bekannt (DE-GM 1 907 637). Bei der beschriebenen Ausführung werden am äußeren Rand des Gabelauges Nasen durch Kaltfließpressen gegen die Stirnfläche der Nadellagerbuchse gepreßt. Diese Axialsicherung weist den großen Nachteil auf, daß, falls das Gelenkkreuz mit den Nadellagerbüchsen wegen Verschleißes ersetzt werden muß, die angepreßten Nasen nur durch spanabhebende Werkzeuge zu beseitigen sind.It is an axial lock according to the preamble for holding Needle bearing bushes in the fork eyes of a joint fork known (DE-GM 1 907 637). In the described execution on the outer edge of the fork eye Lugs pressed against the face of the needle bearing bush by cold extrusion. This axial locking has the major disadvantage that, if the joint cross with the needle bearing bushes must be replaced due to wear, the pressed-on lugs can only be removed with cutting tools.
Zum anschließenden Befestigen des neu einzusetzenden Gelenkkreuzes lassen sich zwar mit einem hierfür ausgebildeten Preßstempel neue Nasen anpreßen, jedoch läßt sich dieses Verfahren nicht beliebig oft wiederholen.For the subsequent attachment of the new universal joint to be inserted it is true that new noses can be pressed on with a press ram designed for this purpose, however, this process cannot be repeated indefinitely.
Der Erfindung liegt die Aufgabe zugrunde eine einfache Möglichkeit zur Axialsicherung von Nadellagerbuchsen zu schaffen, die es ermöglicht in gewissen Grenzen Bauteiltoleranzen auszugleichen, und bei deren Einsatz das Gelenkkreuz mit den Nadellagerbuchsen beliebig oft ausgetauscht werden kann.The invention is based on the object of a simple possibility to create axial securing of needle bearing bushings, which makes it possible in certain Compensate for limits component tolerances, and when using the universal joint the needle bearing bushes can be replaced as often as required.
Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß a) die Nadellagerbuchse in den erweiterten Durchmesserbereich des Gabelauges reicht, b) die Nadellagerbuchse nach außen gegen eine innere Ringzone eines Sicherungsringes abgestützt ist, c) der Außendurchmesser des Sicherungsringes dem erweiterten Durchmesserbereich des Gabelauges entsprechend ausgebildet ist, d) der Sicherungsring nach außen innerhalb einer aus dem vergrößerten Durchmesserbereich und dem Paßsitzbereich gebildeten Ringzone gegen die angepreßten Nasen abgestützt ist.According to the invention, this object is achieved in that a) the needle bearing bush extends into the enlarged diameter range of the fork eye, b) the needle bearing bushing is supported to the outside against an inner ring zone of a locking ring, c) the outer diameter of the locking ring corresponds to the extended diameter range of the Fork eye is designed accordingly, d) the locking ring to the outside inside one formed from the enlarged diameter area and the snug fit area Ring zone is supported against the pressed noses.
Von besonderem Vorteil bei der erfindungsgemäßen Ausbildung einer Axialsicherung ist, daß da die durch Kaltfließpressen gebildeten Nasen nicht in den Paßsitzbereich für die Nadellagerbuchse hineinreichen, das Gelenkkreuz in herkömmlicher Weise durch Ausbau der Sicherungsringe mit einer hierzu vorgesehenen Zange demontiert werden kann. Irgendwelche spanabhebenden Arbeitsvorgänge sind hierzu nicht notwendig. Auch können die Sicherungsringe nach Einsetzen eines neuen Gelenkkreuzes mit den diesem zugeordneten Nagellagerbuchsen in herkömmlicherweise mit einer Spezialzange wieder eingesetzt werden. Durch die vorgeschlagene Ausbildung einer Axialsicherung können bei Bedarf Gelenkkreuze beliebig häufig gewechselt werden, da keine Veränderungen an den Nasen notwendig sind.Of particular advantage in the inventive formation of a Axial security is that the noses formed by cold extrusion are not in extend into the snug fit area for the needle bearing bushing, the universal joint in a conventional manner Way, dismantled by removing the retaining rings with pliers provided for this purpose can be. Any machining operations are not necessary for this. Also, after inserting a new joint cross with the this associated nail bearing bushes in a conventional manner with special pliers to be reinstated. Due to the proposed design of an axial lock Joints can be changed as often as required, as there are no changes on the noses are necessary.
Dieser Vorteil schlägt insbesondere zu Buche, wenn die beschriebene Axialsicherung in Gelenkwellen zum Antrieb von landwirtschaftlichen Maschinen durch die Zapfwelle eines Schleppers eingesetzt wird. Ein notwendiger Wechsel eines Gelenkkreuzes kann hier gegebenenfalls auf dem Feld vorgenommen werden.This advantage is particularly noticeable when the described Axial locking in cardan shafts for driving agricultural machines the PTO shaft of a tractor is used. A necessary change of a joint cross can be done here if necessary on the field.
Da sich zwischen der Anlage des Sicherungsringes am Boden der Nagellagerbuchsen und seiner Außenabstützung gegen die Nasen ein gewisser Hebelarm einstellt, werden die Nadellagerbuchsen federnd in Anlage an den Zapfen des Gelenkkreuzes gehalten.Since between the system of the locking ring on the bottom of the nail bearing bushes and its external support against the noses adjusts a certain lever arm the needle bearing bushes are resiliently held in contact with the journals of the universal joint.
Hierdurch ergibt sich eine spielfreie Lagerung für das Gelenkkreuz und die Möglichkeit Toleranzen in gewissen Grenzen auszugleichen.This results in a backlash-free mounting for the universal joint and the possibility of compensating for tolerances within certain limits.
Nachstehend wird die Erfindung anhand eines Ausführungsbeispieles näher erläutert.The invention is described below using an exemplary embodiment explained in more detail.
Die einzige Figur zeigt einen Längsschnitt durch eine Gelenkgabel 1 mit einem durch die Axialsicherung gehaltenen Gelenkkreuz 8.The single figure shows a longitudinal section through a joint fork 1 with a cross joint 8 held by the axial lock.
Die in der Figur dargestellte Gelenkgabel 1 ist mit zwei Gabelschenkeln 7 versehen, in denen jeweils ein Gabelauge 2 zur Aufnahme der Nagellagerbuchsen 5 zur Lagerung des Gelenkkreuzes 8 vorgesehen ist. Die Gabelaugen 2 sind mit einem Paßsitzbereich 6 sowie einem erweiterten Durchmesserbereich 9 versehen. Die in dem Paßsitzbereich 6 gehaltenen Nadellagerbuchsen 5 weisen axial nach außen in den erweiterten Durchmesserbereich 9 des Gabelauges 2 hinein.The joint fork 1 shown in the figure has two fork legs 7 provided, in each of which a fork eye 2 for receiving the nail bearing bushes 5 is provided for mounting the cross joint 8. The fork eyes 2 are with a A snug fit area 6 and an enlarged diameter area 9 are provided. The one in that Needle bearing bushings 5 held by a snug fit area 6 point axially outward into the enlarged Diameter range 9 of the fork eye 2 into it.
Zur Anbringung der Axialsicherung wird das Gelenkkreuz 8 mit den aufgesetzten Nadellagerbuchsen 5 in die Gabelaugen 2 eingefädelt und durch eine entsprechende Vorrichtung (nicht dargestellt) mittig zentriert. Danach werden die.Sicherungsringe 4 in den erweiterten Durchmesserbereich 9 eingesetzt und in bekannterweise über einen Niederhaltestempel in Anlage am Boden der Nadellagerbuchsen gehalten. Durch einen den Niederhaltestempel umfassenden Formstempel werden die Nasen 3, die gegebenenfalls auch als ringförmig umlaufende Bördelung ausgebildet sein können, gegen den äußeren Ringbereich des Sicherungsringes 4 angeformt.To attach the axial lock, the cross joint 8 with the attached Needle bearing bushings 5 threaded into the fork eyes 2 and through a corresponding Device (not shown) centered in the middle. After that, the circlips are 4 used in the expanded diameter range 9 and known to be about a hold-down punch held in contact with the bottom of the needle bearing bushings. By the noses 3, which optionally can also be designed as a ring-shaped circumferential bead against the outer one Ring area of the locking ring 4 is formed.
Zum Wechsel des Gelenkkreuzes können die Sicherungsringe 4 in bekannter Weise mittels einer Spezialzange entfernt werden und nach Auswechseln des Gelenkkreuzes 8 mit den zugehörigen Nadellagerbuchsen 5 beliebig oft wieder eingesetzt werden.To change the universal joint, the locking rings 4 can be used in a known manner Way can be removed with special pliers and after replacing the joint cross 8 with the associated needle bearing bushings 5 can be used again as often as required.
Die Anwendung der beschriebenen Axialsicherung beschränkt sich nicht auf die Axialsicherung von Nadellagerbuchsen in den Gabelaugen 2 von Gelenkgabeln 1 sondern kann auch in allen ähnlich gelagerten Fällen des Maschinenbaus eingesetzt werden.The use of the axial locking device described is not restricted on the axial securing of needle bearing bushings in the fork eyes 2 of articulated forks 1 but can also be used in all similar cases of mechanical engineering will.
BEZUGSZEICHENLISTE 1 Gelenkgabel 2 Gabe lauge 3 Nase 4 Sicherungsring 5 Nadellagerbüchse 6 Paßsitzbereich 7 Gabelschenkel 8 Gelenkkreuz 9 erweiterter Durchmesserbereich des Gabelauges LeerseiteLIST OF REFERENCE SIGNS 1 joint fork 2 fork 3 nose 4 circlip 5 needle bearing bushing 6 snug fit area 7 fork legs 8 articulated cross 9 extended Diameter range of the fork eye Blank page
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813141131 DE3141131A1 (en) | 1981-10-16 | 1981-10-16 | Means for the axial securing of a needle bearing bush |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813141131 DE3141131A1 (en) | 1981-10-16 | 1981-10-16 | Means for the axial securing of a needle bearing bush |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3141131A1 true DE3141131A1 (en) | 1983-05-05 |
Family
ID=6144251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19813141131 Ceased DE3141131A1 (en) | 1981-10-16 | 1981-10-16 | Means for the axial securing of a needle bearing bush |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3141131A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015109546B3 (en) * | 2015-06-15 | 2016-10-20 | Spicer Gelenkwellenbau Gmbh | Joint fork for a universal joint and universal joint |
-
1981
- 1981-10-16 DE DE19813141131 patent/DE3141131A1/en not_active Ceased
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015109546B3 (en) * | 2015-06-15 | 2016-10-20 | Spicer Gelenkwellenbau Gmbh | Joint fork for a universal joint and universal joint |
JP2017003116A (en) * | 2015-06-15 | 2017-01-05 | スパイサー ゲレンクヴェレンバウ ゲゼルシャフト ミット ベシュレンクテル ハフツングSpicer Gelenkwellenbau GmbH | Joint yoke for universal joint and universal joint |
US9714682B2 (en) | 2015-06-15 | 2017-07-25 | Spicer Gelenkwellenbau Gmbh | Joint yoke for a universal joint and universal joint |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8131 | Rejection |