EP1721708B1 - Dispositif pour l'assemblage d'un palier de roue avec une tige de traction - Google Patents

Dispositif pour l'assemblage d'un palier de roue avec une tige de traction Download PDF

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Publication number
EP1721708B1
EP1721708B1 EP20060007938 EP06007938A EP1721708B1 EP 1721708 B1 EP1721708 B1 EP 1721708B1 EP 20060007938 EP20060007938 EP 20060007938 EP 06007938 A EP06007938 A EP 06007938A EP 1721708 B1 EP1721708 B1 EP 1721708B1
Authority
EP
European Patent Office
Prior art keywords
bearing
support body
wheel bearing
axial
support
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.)
Expired - Fee Related
Application number
EP20060007938
Other languages
German (de)
English (en)
Other versions
EP1721708A3 (fr
EP1721708A2 (fr
Inventor
Horst Klann
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.)
Klann Spezial Werkzeugbau GmbH
Original Assignee
Klann Spezial Werkzeugbau GmbH
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Filing date
Publication date
Application filed by Klann Spezial Werkzeugbau GmbH filed Critical Klann Spezial Werkzeugbau GmbH
Publication of EP1721708A2 publication Critical patent/EP1721708A2/fr
Publication of EP1721708A3 publication Critical patent/EP1721708A3/fr
Application granted granted Critical
Publication of EP1721708B1 publication Critical patent/EP1721708B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
    • B25B27/062—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races using screws

Definitions

  • the invention relates to a device for retracting a wheel bearing in a bearing bore of a bearing housing of an axle body of a motor vehicle consisting of a pull spindle with pull nut, a pressure piece and a support body, wherein the pull spindle during Einziehvorgang the pressure piece, the wheel bearing and the support body extends axially and the pressure piece on Outer ring of the wheel bearing and the support body is attached to the bearing housing concentric with the bearing bore.
  • Devices of the generic type are for example from the DE 35 30 983 C1 as well as the DE 37 30 017 C1 known. Such devices are used, for example, for retracting wheel bearings. These devices have in common that a pressure piece is provided for pulling, which is attachable to the outer ring of a wheel bearing to be recovered. Furthermore, such devices have a support body, which is attachable to the bearing housing concentric to its longitudinal center axis. For retracting the wheel bearing, a pull spindle may be provided with a pull nut, wherein the pull spindle axially projects through the pressure piece, the wheel bearing to be retracted and the support body during the pulling-in process.
  • the support body on one side of the bearing housing at this concentric with the bearing bore of the bearing housing is arranged to extend and has a corresponding central through hole for the implementation of the tension spindle.
  • the wheel bearing is set on the opposite side of the bearing body of the bearing housing on this, wherein the tension spindle also extends axially through this wheel bearing.
  • the pressure piece which is adapted in its diameter to the outer diameter of the wheel bearing, is now placed on the front side of the wheel bearing, whereby this pressure piece is axially penetrated by the tensioning spindle.
  • the tension nut is screwed onto the pulling spindle and presses against the pressure piece during the pulling-in process. Due to the engagement of the tension spindle with the support body, the wheel bearing is now drawn into the bearing bore of the bearing housing with further tightening of the tension nut.
  • Solutions are also known in which a hydraulic cylinder is provided with a tension spindle, which is correspondingly hydraulically movable axially and is retracted by activation of the hydraulic cylinder corresponding to the wheel bearing on the pressure piece in the bearing bore of the bearing housing.
  • the support body is concentric with the bearing bore on the position housing attachable, so that substantially a concentric orientation of the tensioning spindle is effected during the insertion process.
  • the bearing bore of the bearing housing is sharp-edged or insufficiently deburred.
  • a sharp-edged design of the bearing bore is particularly noted in bearing housings, in the bearing bore the wheel bearing is not secured with a locking ring, but is held purely only by the press connection during use. That is, in these cases, a very tight interference fit between the wheel bearing and the bearing bore is provided, so that the wheel bearing has a correspondingly large oversize compared to the bearing bore and is correspondingly difficult to retract.
  • an oblique attachment of the wheel bearing to the bearing bore is frequently observed, so that the wheel bearing is drawn in obliquely at least at the beginning of the insertion process or tilted on the bearing housing. On the one hand, this leads to increased pull-in forces and, on the other hand, to damage of the bearing housing or of the wheel bearing.
  • the invention has the object, a device of the generic type in such a way that such tilting is at least at the beginning of the Einziehvorgangs safely excluded.
  • the support body has a guide cylinder on which the wheel bearing is guided sliding during Einziehvorgang.
  • the embodiment of the invention provides a device by means of which a wheel bearing concentric to the bearing bore of the bearing housing can be drawn into this without tilting of the bearing housing can occur especially at the beginning of Einziehvorgangs.
  • the smallest possible clearance is provided between the guide cylinder and the wheel bearing or the inner ring of the wheel bearing, so that the wheel bearing safely concentric and coaxial with the bearing bore of the bearing housing is guided.
  • the guide cylinder has an axial length which corresponds to at least 1.5 times the axial length of the wheel bearing.
  • the pressure piece, through which the wheel bearing is retracted into the bearing bore of the bearing housing forms a pressure cylinder whose outer diameter is smaller than the outer diameter of the wheel bearing and that further the pressure cylinder has an axial length, at least is as large as the difference between the axial length of the bearing housing and the axial length of the guide cylinder.
  • its outer diameter is preferably formed slightly smaller than the outer diameter of the wheel bearing and thus also as the inner diameter of the bearing bore, in which the wheel bearing is to be fed.
  • the defined axial length of the printing cylinder ensures that the drawing-in process can be carried out completely.
  • the support body may have a central receiving thread, in which either a piece adapter or a hydraulic cylinder can be used.
  • a normal tension spindle with a pull nut can be used, in which case the pulling-in process is effected by tightening the tension nut or the tension spindle.
  • a hydraulic cylinder may alternatively be provided which can be brought into engagement with the support body in an exchangeable manner against the support adapter is.
  • Such hydraulic cylinders have a kind of pull spindle, which also protrude axially in the attached state, the bearing housing, the wheel bearing and the pressure piece.
  • a nut can be screwed and placed on the pressure piece by axial adjustment to the plant.
  • the pulling spindle is pulled in the pulling-in direction so that the wheel bearing is automatically drawn into the bearing bore of the bearing housing via the tension nut and the pressure piece.
  • the support adapter for the axial passage of the tension spindle has a through hole which is provided for receiving a Axial réellelagers for axially supporting the tension spindle with a radially enlarged recess.
  • This configuration ensures a concentric alignment of the tension spindle in the support adapter and thus also relative to the bearing bore of the bearing housing.
  • the thrust bearing serves to reduce the friction, whereby the rotational forces on the tractor spindle when tightening are significantly reduced, especially at higher axial forces.
  • the support body is provided with a spigot, with which the support body centered on the bearing bore of the bearing housing and coaxially aligned can be used.
  • the guide cylinder and the support body are integrally formed. Such a configuration is extremely inexpensive to produce.
  • the guide cylinder and the support body are formed as separate components.
  • a plurality of guide cylinder and support body of different dimensions may be provided according to claim 9, which are selectively coupled with each other.
  • the pressure piece for axial support of the tension nut is provided with a thrust bearing.
  • the wheel bearing is retractable by tightening the pull nut or by selectively tightening the pull spindle or the pull nut in the position bore of the bearing housing, whereby the operability is improved in tight spatial conditions.
  • Fig. 1 shows a vertical section through a support body 1 according to the invention, to which a guide cylinder 2 is integrally formed.
  • This guide cylinder 2 is adapted in its diameter to the inner diameter of an inner ring 22 of a wheel bearing 11 such that the wheel bearing 11 is axially slidably received with this inner ring 22 with the least possible play on the guide cylinder 2, in particular from the Fig. 3 and 4 evident.
  • the support body 1 has a substantially larger diameter than the guide cylinder 2.
  • the support body 1 is also cylindrical and has the guide cylinder 2 towards a radially tapered spigot 3, with which the support body 1 is concentric with a bearing bore 19 of a bearing housing 20 can be used, as also in the Fig. 3 and 4 is shown by way of example.
  • Fig. 1 it can be seen that the guide cylinder 2 has a central through-hole 4, which opens into the support body 1 and is provided in use for the passage of a tension spindle 13 ( Fig. 3 and 4 ).
  • a radially expanded portion is provided with a receiving thread 5 subsequent to the through hole 4, which for selectively receiving a support adapter 12 (FIG. Fig. 3 and 4 ) or a hydraulic cylinder is used.
  • the guide cylinder 2 is provided in its opposite end portion of the support body 1 with a centering cone 6, by which the sliding of the wheel bearing 11 is facilitated on the guide cylinder 2.
  • Fig. 2 shows a second embodiment of a support body 1/1, which is formed in this embodiment as a separate component.
  • This support body 1/1 also has a centering lug 3, which also serves for the concentric attachment of the support body 1 to a bearing bore 19 of a bearing housing 20.
  • the support body 1/1 is also provided with a receiving thread 5, in which optionally the support adapter 12 from Fig. 3 and 4 or a hydraulic cylinder can be screwed.
  • the support body 1/1 has a second coaxial with the receiving thread 5 extending internal thread 7, in which a separate guide cylinder 2/1 is screwed with a corresponding external thread 8.
  • This external thread 8 is formed smaller in its outer diameter than the outer diameter of the guide cylinder 2/1, so that the guide cylinder 2/1 to the support body 1/1 towards a flat, annular shoulder 9 forms.
  • Fig. 3 and 4 each show a vertical section of the support body 1 with its guide cylinder 2 Fig. 1 in use. It is in Fig. 3 the beginning and in Fig. 4 the end of the Einziehvorgangs a wheel bearing 11 exemplified.
  • a support adapter 12 is screwed.
  • This support adapter 12 is used for concentrically receiving a traction spindle 13, to which the support adapter 12 is provided in a corresponding central through-bore 14.
  • This through hole 14 is provided in its outer end region with a radially enlarged recess 15, in which the tension spindle 13 is received with a radially expanded, circumferential support bar 16 fitting.
  • the traction spindle 13 has on the outside a drive hexagon 17, via which the traction spindle 13 can be rotationally fixed during the pulling-in process of the wheel bearing 11.
  • an axial thrust bearing 36 is provided for axial support of the tension spindle 13 with its support bar 16 in the recess 5, which is secured in the recess 15 by a securing ring 36.
  • the pull spindle 13 extends through the through hole 4 both of the support body 1 and the guide cylinder 2 completely in the axial direction.
  • the support body 1 is inserted with its centering projection 3 in a radially inwardly directed, circumferential stop web 18 of a bearing bore 19 of a bearing housing 20, so that the support body 1 together and the guide cylinder 2 aligned with its common longitudinal central axis 10 coaxial with the bearing bore 19 of the bearing housing 20 are.
  • the bearing bore 19 is used in operation for receiving the wheel bearing 11, which at the beginning of the drawing process the support body 1 opposite to the bearing housing 20 and the bearing bore 19 is attached to its outer bearing ring 21.
  • Fig. 3 It can be seen that the inner ring 22 is fitted to fit the guide cylinder 2, wherein only an extremely small clearance can be provided between the inner ring 22 of the wheel bearing 11 and the guide cylinder 2.
  • Fig. 3 it can be seen, the entire wheel bearing 11 concentric with the longitudinal central axis 10 of the support body 1 and so that at the same time concentric with the bearing bore 19 'and aligned coaxially to this running.
  • a pressure piece 23 is provided in the present embodiment, which has a wheel bearing 11 directed towards the pressure cylinder 24 whose inner diameter corresponds approximately to the outer diameter of the guide cylinder 2.
  • the guide cylinder 2 is fitting inserted into the printing cylinder 24 during the Einziehvorgangs.
  • the pressure cylinder 24 in the present embodiment has an axially projecting, circumferential pressure ridge 25.
  • a clearance 37 is formed between the wheel bearing 11, in particular its inner ring 22, and the pressure cylinder 24. This is certainly excluded that when pulling the pressure cylinder 24 against the inner ring 22 of the wheel bearing 11 or a frontally mounted bearing seal (not shown in the drawing) of the wheel bearing 11 presses, so that damage to the wheel bearing 11 or the seal is safely excluded.
  • the tension spindle 13 also completely projects through the pressure piece 23 with a corresponding threaded portion 26 on which a pull nut 27 is screwed on the outside.
  • This pull nut 27 is received concentrically in an outside recess 28 of a through hole 29 of the pressure piece 23.
  • the depression 28 be provided with an appropriately dimensioned design, with a thrust bearing.
  • the wheel bearing 11 is aligned concentrically and coaxially with the bearing bore 19 of the bearing housing 20 and is axially displaceably guided in this position by the guide cylinder 2.
  • the guide cylinder 2 In order for a tilting at the beginning of the insertion process of the wheel bearing 11 relative to the bearing housing 20 and its bearing bore 19 and also during the entire Einziehvorganges safely excluded.
  • the finished retracted or pressed state shows Fig. 4 in vertical section. It can be seen that in the embodiment of the illustrated bearing housing 20, the wheel bearing 11 is pressed in this fully retracted state up to a radially inwardly projecting stop bar 18 of the bearing bore 19. It can also be seen that the part of the guide cylinder 2 projecting axially from the bearing housing 20 to the right is completely in the Pressure piece 23 and the pressure cylinder 24 is received.
  • the axial length of the printing cylinder 24 corresponds to at least the difference in length between the axial length of the guide cylinder 2 and the axial length of the bearing housing 20, so that a complete retraction of the wheel bearing 11 in the bearing housing 20 and its bearing bore 19 is safely carried out without the Guide cylinder 2 can collide with the pressure piece 23, as is made Fig. 4 is apparent.
  • a hydraulic cylinder can be inserted into the receiving thread 5 of the supporting body 1.
  • Such hydraulic cylinders are generally known from the prior art and are designed for such tasks usually as a so-called hollow piston cylinder.
  • Such hollow piston cylinders have a kind of traction spindle, which are arranged axially adjustable in the pressure piston of the hydraulic cylinder via a corresponding threaded connection. Accordingly, the hydraulic cylinder with its traction spindle, as in Fig.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Support Of The Bearing (AREA)
  • Automatic Assembly (AREA)
  • Mounting Of Bearings Or Others (AREA)

Claims (10)

  1. Dispositif dévolu à l'emboîtement d'un palier de roue (11) dans un alésage de montage (19) d'un carter de portée (20) d'un corps d'essieu de véhicule automobile, comprenant une broche de traction (13) associée à un écrou de traction (27), une pièce de pression (23), ainsi qu'un corps d'appui (1, 1/1), sachant que ladite broche de traction (13) traverse axialement ladite pièce de pression (23), ledit palier de roue (11) et ledit corps d'appui (1, 1/1) au cours du processus d'emboîtement, et que ladite pièce de pression (23) est en applique contre la bague extérieure (21) dudit palier de roue (11), et ledit corps d'appui (1, 1/1) est en applique contre ledit carter de portée (20), concentriquement audit alésage de montage (19),
    caractérisé par le fait
    que le corps d'appui (1, 1/1) offre un cylindre de guidage (2, 2/1) sur lequel le palier de roue (11) est guidé, avec glissement, au cours du processus d'emboîtement.
  2. Dispositif selon la revendication 1, caractérisé par le fait que le cylindre de guidage (2, 2/1) présente une longueur axiale correspondant, au moins, à 1,5 fois la longueur axiale du palier de roue (11).
  3. Dispositif selon la revendication 1 ou 2, caractérisé par le fait que, lorsque le corps d'appui (1, 1/1) est en applique contre le carter de portée (20), le cylindre de guidage (2, 2/1) traverse intégralement ledit carter de portée (20) et le palier de roue (11) dans le sens axial.
  4. Dispositif selon la revendication 1, 2 ou 3, caractérisé par le fait que la pièce de pression (23) matérialise un cylindre de pression (24) dont le diamètre extérieur est réalisé plus petit que le diamètre extérieur du palier de roue (11) ; et
    par le fait que ledit cylindre de pression (24) présente une longueur axiale au moins égale à la différence entre la longueur axiale du carter de portée (20) et la longueur axiale du cylindre de guidage (2, 2/1).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé par le fait que le corps d'appui (1, 1/1) est muni d'un taraudage central de réception (5) dans lequel un adaptateur de soutien (12), ou un vérin hydraulique, peut être sélectivement inséré.
  6. Dispositif selon la revendication 5, caractérisé par le fait que, pour assurer le guidage axial de la broche de traction (13), l'adaptateur de soutien (12) est percé d'un alésage traversant (14) doté d'un chambrage (15) à élargissement radial, en vue de recevoir un palier axial de pression (35) affecté au soutien axial de ladite broche de traction (13).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé par le fait que le corps d'appui (1, 1/1) comporte un mentonnet de centrage (3) par lequel ledit corps d'appui (1, 1/1) peut être présenté, de manière centrée, au niveau de l'alésage de montage (19) du carter de portée (20).
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé par le fait que le cylindre de guidage (2) et le corps d'appui (1) sont réalisés d'un seul tenant.
  9. Dispositif selon l'une des revendications 1 à 7, caractérisé par le fait que le cylindre de guidage (2/1) et le corps d'appui (1/1) sont réalisés sous la forme de pièces structurelles distinctes ; et
    par la présence de plusieurs cylindres de guidage et corps d'appui offrant des cotes différentes et pouvant être sélectivement accouplés les uns aux autres.
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé par le fait que la pièce de pression (23) est pourvue d'un palier axial de pression, assigné au soutien axial de l'écrou de traction (27).
EP20060007938 2005-04-28 2006-04-15 Dispositif pour l'assemblage d'un palier de roue avec une tige de traction Expired - Fee Related EP1721708B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200520006802 DE202005006802U1 (de) 2005-04-28 2005-04-28 Vorrichtung mit einer Zugspindel zum Einziehen eines Radlagers

Publications (3)

Publication Number Publication Date
EP1721708A2 EP1721708A2 (fr) 2006-11-15
EP1721708A3 EP1721708A3 (fr) 2010-04-14
EP1721708B1 true EP1721708B1 (fr) 2011-06-15

Family

ID=34802373

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060007938 Expired - Fee Related EP1721708B1 (fr) 2005-04-28 2006-04-15 Dispositif pour l'assemblage d'un palier de roue avec une tige de traction

Country Status (2)

Country Link
EP (1) EP1721708B1 (fr)
DE (1) DE202005006802U1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101463747B1 (ko) * 2012-09-06 2014-11-21 조상필 자전거 브라켓 베어링 장착용 공구
EP2777884A1 (fr) * 2013-03-11 2014-09-17 Sinmat Technology Corporation Installateur de palier pour moyeu
CN104511877A (zh) * 2013-09-30 2015-04-15 哈尔滨飞机工业集团有限责任公司 过盈衬套压入装置
CN112077548A (zh) * 2020-08-11 2020-12-15 苏州恒源盛模塑有限公司 一种单向阀装配工装

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4285111A (en) * 1980-06-26 1981-08-25 Harry Dubach Bearing puller alignment tool
DE3530983C1 (de) * 1985-08-30 1987-01-22 Horst Klann Vorrichtung zum Einpressen und Abziehen von Lagern oder Huelsen,insbesondere fuer Achslager und/oder Radflanschnaben an Kraftfahrzeugen
DE3730017C1 (de) * 1987-09-08 1989-01-26 Horst Klann Vorrichtung zum Einpressen und Abziehen von Lagern oder Huelsen,insbesondere fuer Achslager und/oder Radflanschnaben an Kraftfahrzeugen
FR2755064B1 (fr) * 1996-10-25 1998-12-04 Tnd Procede de demontage-remontage d'un moyeu et d'un roulement du demi-train d'un vehicule et outillage pour sa mise en oeuvre
DE20019617U1 (de) * 2000-11-18 2001-01-18 Hazet Werk Zerver Hermann Vorrichtung zum Abziehen und/oder Einpressen von Lagern oder Hülsen
DE20106519U1 (de) * 2001-04-14 2001-07-12 Klann Tools Ltd Werkzeug zum Austauschen von Radlagern

Also Published As

Publication number Publication date
DE202005006802U1 (de) 2005-07-21
EP1721708A3 (fr) 2010-04-14
EP1721708A2 (fr) 2006-11-15

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