EP1762341A2 - Arrache-moyeu - Google Patents

Arrache-moyeu Download PDF

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Publication number
EP1762341A2
EP1762341A2 EP06017697A EP06017697A EP1762341A2 EP 1762341 A2 EP1762341 A2 EP 1762341A2 EP 06017697 A EP06017697 A EP 06017697A EP 06017697 A EP06017697 A EP 06017697A EP 1762341 A2 EP1762341 A2 EP 1762341A2
Authority
EP
European Patent Office
Prior art keywords
support
bearing housing
bearing
wheel
arms
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.)
Withdrawn
Application number
EP06017697A
Other languages
German (de)
English (en)
Other versions
EP1762341A3 (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
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 Klann Spezial Werkzeugbau GmbH filed Critical Klann Spezial Werkzeugbau GmbH
Publication of EP1762341A2 publication Critical patent/EP1762341A2/fr
Publication of EP1762341A3 publication Critical patent/EP1762341A3/fr
Withdrawn legal-status Critical Current

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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
    • B25B27/064—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 fluid driven

Definitions

  • the invention relates to a device for extracting a Radflanschnabe mounted on a wheel bearing in a bearing housing of an axle body, consisting of a support crosspiece having a support device, via which the device is axially supported in the surrounding area of the wheel bearing on the bearing housing and a central drawbar, which with the Radflanschnabe in Intervention can be brought.
  • Radflanschnaben are known in various design from the field of automotive technology. This Radflanschnaben are provided with a wheel flange, which serves among other things for mounting a wheel of a motor vehicle.
  • the Radflanschnabe For storage of the wheel on the Radflanschnabe in an axle body of a motor vehicle axle, the Radflanschnabe on a bearing hub, which is rotatably supported via a wheel bearing in a bearing bore of a bearing housing of the axle body.
  • the wheel flange of Radflanschnabe is always formed larger in diameter than the diameter of the bearing hub and as the diameter of the wheel bearing.
  • the axle body In the assembled state of Radflanschnabe the axle body is between the wheel flange and the bearing housing of the axle generally a gap exists.
  • a device of the generic type which has a support plate referred to as a support plate.
  • This support cross member is provided with a pulling device in the form of a threaded spindle, which is supported axially via an axial thrust bearing on the support cross member and which is rotatably received in the support cross member via this thrust bearing.
  • the threaded spindle is provided with a radially enlarged, circumferential collar, to which a drive hexagon connects axially outward, so that the threaded spindle is rotatably driven with a suitable key tool.
  • the threaded spindle In use, the threaded spindle extends through the bearing hub of the wheel hub flange. On its the drive hexagon opposite and protruding from the bearing hub end a nut is screwed. When tightening the threaded spindle, the tension nut is supported on the end face of the bearing hub substantially, so that it is pulled in the axial direction.
  • a support plate is provided in the known device, which is connected via two fixedly attached to the support bar support struts with the support bar in combination.
  • the distance between the support struts is chosen to be greater than the outer diameter of the wheel flange, so that the wheel flange between them when attaching to the axle is receivable.
  • the support plate has a U-shaped recess, which is dimensioned so that the support plate in the surrounding region of the wheel bearing on the bearing housing of the axle body can be attached.
  • the support plate has a support rib, which serves for support on the bearing housing in the surrounding area of the wheel bearing.
  • the support rib extends along the U-shaped recess and is arranged in the edge of the support facing the edge region of the recess.
  • This support rib is dimensioned in its dimensions, in particular in its thickness such that it can be introduced between the wheel flange and the bearing housing and is supported in the surrounding area of the wheel bearing on the front side of the bearing housing. That is, the support rib in its thickness thinner than the support plate itself.
  • the invention has the object, a device of the generic type such that it expresses easily and variably to differently dimensioned axle and their bearing housing is customizable.
  • the support bar forms at least two radially extending support arms to the pressing device, on each of which a support member displaceable relative to the support element is arranged, which has a support leg, in its the support beam opposite end portion has a transverse to the pulling direction support plate, which has for attachment to the bearing housing to the bearing housing projecting extending support lip.
  • the support bar forms at least two support arms, on each of which a support element is slidably disposed.
  • These support elements each have a support leg, which in turn is provided with a support plate.
  • This support plate extends transversely to the pulling direction of the pressing device and can be brought into engagement with the bearing housing of the axle body.
  • a support lip is provided on the support plate, which in a space between the wheel flange of a seated in the bearing housing Radflanschnabe and the bearing housing is inserted.
  • the design of the support lip is adapted to the shape and dimensions of the respective bearing housing and the wheel bearing both in relation to their wheel bearing towards the supernatant and with respect to their shape such that the best possible power transmission is ensured during operation.
  • the wheel bearing towards the supernatant of the support lip is to be chosen so low that during Ausziehvorgang the wheel bearing can not collide with the support lip and thus the support lip is supported only frontally on the bearing housing.
  • This variant can also be used if only the wheel hub flange is to be pulled out of the wheel bearing.
  • the support lip may also have a larger projection to the wheel bearing out. If both variants of support elements with support feet with differently shaped support lips are provided, then the support feet or the entire support elements can be exchangeably arranged on the support cross member.
  • the device according to the invention can be adapted in a simple manner to different dimensions of axle bodies with their bearing housing and the mounted Radflanschnabe. If the device according to the invention is used for the extraction operations described, then the pressing device is designed as a pulling device.
  • the support lip has a curved course.
  • This arcuate profile is adapted to the diameter of the bearing housing.
  • a mean radius of curvature is preferably provided.
  • a support crossbeam with more than two support arms and accordingly also a plurality of support elements a set of support elements can also be attached to bearing housings which have a considerably larger or smaller radius than such a mean radius of curvature of the support lip, since in this case give three or more support surfaces.
  • the support arms should preferably be arranged with their support elements distributed at regular angular intervals approximately star-shaped.
  • the support lip of the support plate has a smaller thickness than the support plate and that their dimensions are chosen such that they can be used in a space between the wheel flange and the bearing housing of the axle and the bearing housing in the surrounding area of the wheel bearing can be attached.
  • the support plate in its adjoining the support lip, the support cross member axially opposite region forms an inner support surface, via which the support plate is supported on the radially outer surface of the bearing housing.
  • This power transmission to the lateral surface of the bearing housing is achieved by the radially inwardly extending transversely to the pressing device support plates.
  • radially inwardly acting forces are caused by this inwardly angled shaping of the support elements with their support plates, which forces are transmitted to the bearing housing via the inner support surfaces of the support plates.
  • the inner support surface also has an arcuate course with a mean radius of curvature, which is greater than the average radius of curvature of the associated support lip.
  • the support legs each coupled via two approximately hook-shaped holding elements slidably connected to the respective support arm are.
  • the support members may be integrally formed, so that the holding elements together with the support feet form a unit. But it can also be provided that the holding elements are formed as separate components, which are then connected on the one hand by their hook shape displaceable with the respective support arm and on the other hand, for example by a screw connection with the associated support leg.
  • the support arms are each provided with two laterally projecting, at least approximately over the entire length of the respective support arm extending support webs.
  • the support arms receive an approximately T-shaped cross section, so that their bending stiffness is increased.
  • the holding elements are designed as separate components and, each support leg via a mounting shaft interchangeable with the associated holding elements in communication.
  • the screw thread for the threaded adapter can also be equipped with a larger diameter, so that in particular, for example, a hydraulic cylinder as a pressing device via a corresponding large-sized threaded adapter with the support beam can be coupled. As a result, extremely high pressing forces can be achieved.
  • the threaded adapter has a radially expanded axially from the support cross member projecting receiving portion, with which the pressing device, in particular in the form of a hydraulic cylinder can be coupled.
  • a pressing device By such a pressing device extremely high pressing forces in the form of tensile and / or compressive forces can be applied.
  • receiving sections Two variants of receiving sections conceivable. If the device according to the invention is provided exclusively as a pulling device, then such a hydraulic cylinder with a corresponding connection section can also be inserted loosely into the receiving section. During extraction, the hydraulic cylinder is forcibly held by the tensile forces in the receiving section. If the device according to the invention is also to be used for extruding, for example, a drive shaft from the wheel flange hub, then the hydraulic cylinder can also be screwed to the receiving section, so that forces can also be applied in the opposite direction.
  • the core cylinder is provided axially opposite the threaded adapter axially opposite to the threaded adapter with a bore portion with an internal thread, which can be coupled with a pressing device in the form of a pressure or tension spindle ,
  • the support arms according to claim 13 may also have a cross-sectional shape with high bending stiffness, in particular a double-T-shaped cross-section.
  • the support arms may be provided according to claim 13 with markings over which the position of the slidably received on the support arms support elements is symmetrically adjustable to the pressing device.
  • FIG. 1 shows a lateral partial section of a supporting crosspiece 1 together with a vertical section of a threaded adapter 2, as used by way of example for a device 40 according to the invention (FIG. 5).
  • the support beam 1 has this for receiving the threaded adapter 2 has a central Receiving bore 35 with a central screw 3, in which the threaded adapter 2 with a corresponding threaded connector 4 is screwed.
  • Above the threaded neck 4 of the threaded adapter 2 forms a radially enlarged receiving portion 5, which in turn is provided in the present embodiment with an internal thread 6.
  • the threaded adapter 2 is used with its internal thread 6 for coupling the support cross member 1 with a hydraulic pressing device, as shown by way of example for the hydraulic cylinder 41 in Fig. 5.
  • the receiving section 5 can also be designed without an internal thread, so that a correspondingly configured pressing device can only be inserted into the receiving section (not explicitly shown in the drawing).
  • a correspondingly configured pressing device can only be inserted into the receiving section (not explicitly shown in the drawing).
  • a threaded bore section 7 adjoins the threading adapter 3 axially opposite to the threaded adapter 2.
  • This bore portion 7 is provided with an internal thread 8, which serves as an alternative to the hydraulic cylinder 41 of FIG. 5 for the optional use of a tension or pressure spindle in conjunction with the support cross member 1. If such a tension or pressure spindle is used, so can account for the threaded adapter 2 for coupling the hydraulic cylinder.
  • FIG. 1 a which represents a plan view I of FIG. 1, that the supporting crosspiece 1 is radially widened in the region of the central receiving bore 35 and forms a radially widened core cylinder 9, as a result of which sufficient stability is achieved Recording of the threaded adapter 2 in the receiving bore 35 is achieved.
  • the support crosspiece 1 forms two diametrically opposed and essentially rectilinearly extending support arms 10 and 11, which are provided for optionally flexible reception of support elements, as will be explained in more detail below.
  • support arms 10 and 11 may be provided, which are preferably identical and extend radially to the core cylinder 9.
  • both support arms 10 and 11 laterally projecting support webs 12, 13 and 14, 15 on.
  • the support arms 10 and 11 are reinforced in the region of the core cylinder 9 both in the direction of the longitudinal center axis 16 of the core cylinder 9 and transversely thereto, so that they are particularly suitable for receiving high bending moments.
  • this support element 17 is designed in three parts and consists of two identically formed guide hooks 18 which are mirror-symmetrical to one another Support webs 14 and 15 of the support arm 11 of the support cross-member 1 are engaged. These support hooks 18 are displaceable along the two support webs 14 and 15.
  • the guide hooks 18 in the region of the support webs 14 and 15 each form-fitting with the support webs 14 and 15 engageable, U-shaped holding member 19.
  • a mounting tab 20 which for interchangeable attachment of a support leg 21 serve.
  • the support arms 10 and 11 may also be provided with corresponding engagement grooves, in which the guide hooks 18 engage positively and displaceably.
  • the support members 17 may be formed as a one-piece unit.
  • the respective support leg 21 for coupling with the two guide hooks 18 has a mounting shank 22, which is accommodated between the two mounting tabs 20 of the two guide hooks 18.
  • both the mounting tabs 20 and the mounting shaft 22 corresponding through holes 23, 24 and 25, 26, respectively.
  • the mounting shank 22 of the support leg 21 has an approximately rectangular cross section and the through holes 25 and 26 are arranged in its upper end region.
  • an approximately perpendicular to the mounting shank 22 extending support plate 29 is provided in the lower end region of this mounting shank 22 .
  • This support plate 29 is formed in the region of its free end 30 in width B wider than the width b of the mounting shaft 22nd
  • the support plate 29 is used during operation for axial support on an axle component.
  • the support plate 29 is provided with a protruding support lip 31 in the upper edge region of its free end 30.
  • the thickness d of the support lip 31 is formed smaller than the thickness D of the support plate 29.
  • the thickness d of the support lip 31 is the axial size of the gap 61 (Fig. 5) between the wheel flange 55 and the Bearing housing 50 adapted so that the support lip 31 is securely inserted into this space 61 and can be supported in the radially outer region of the wheel bearing 52 frontally on the bearing housing 50.
  • the state applied in a bearing housing 50 in the radially inwardly directed projection U of the support lip 31 is selected such that when the inner support surface 32 located below the support lip 31 abuts against the bearing housing 50, the support lip 31 does not extend with it Wheel bearing 52 can collide.
  • This inner support surface 32 of the support plate is used during the extraction process for additional support of the support plate 29 on the bearing housing 50 (FIG. 5), as will be explained in more detail later.
  • the "insertion depth" of the support lip 31 is limited by this inner support surface 32, so that it is securely attachable to a bearing housing in the desired position.
  • the underside of the support plate 29 can serve as a support surface 33. If the support leg 21 with the support lip 31 of its support plate 29 can not be attached to the bearing housing 50 in the surrounding area of the wheel bearing 52, since the space 61 between the wheel flange 55 and the bearing housing 50 is too small, then the underside of the support plate 29 serves as Support surface 33 and can be supported axially on radially to the bearing housing projecting axle components.
  • FIG. 4 shows the support cross member 1 together with the mounted threaded adapter 2 and two on the respective support webs 12 and 13 or 14 and 15 of the two opposing support arms 10 and 11 slid support members 17. From Fig. 4 it is seen that the two support plates 29 of the opposing support members 17 are aligned in the direction of each other. It can also be seen that the lying below the support lips 31, inner support surfaces 32 extend from top to bottom to the lower support surface 33 obliquely outwards. Such an inclined design of these support surfaces 32 serves to adapt to the corresponding shape of a bearing housing on which the support elements 17 are to be attached. Furthermore, it is also clear from FIG. 4 that, for different bearing housings with different dimensioning, differently configured support elements 17, in particular with differently configured support feet 21, can be used.
  • support elements 17 are provided with support plates 29, the support lips 31 and the inner support surface 32 each have an arcuate course with a mean radius of curvature, so that the device according to the invention with a set of support elements 17 to axle bodies or bearing housings with different dimensions can be attached.
  • a bar mark 34 may be provided, which are provided with identical markings, such as v, w, x, y, z. This ensures that when mounting the support elements 17 on a bearing housing, the receiving bore 35 and the threaded adapter 2 is arranged symmetrically to the two support members 17 so that the tensile forces can act absolutely concentric in the subsequent extraction process, for example a Radflanschnabe.
  • FIG. 5 shows the complete device 40 in use.
  • a hydraulic cylinder 41 is screwed, which is provided with a 42 adjustable in the direction of the double arrow pull rod 43.
  • This pull rod 43 has an external thread 44, with the upper end portion 45 of the pull rod 43 is axially adjustable in a hydraulic piston 46 of the hydraulic cylinder 41 is screwed.
  • a pull nut 48 is screwed onto the pull rod 43.
  • the entire device 40 is attached to an axle body 49 of a motor vehicle axle.
  • This axle body 49 has a central bearing housing 50, in which a Radflanschnabe 51 rotatable about a corresponding wheel bearing 52 stored is stored.
  • the Radflanschnabe 51 is secured in the present embodiment by means of a retaining ring 53 fixed in the wheel bearing 52.
  • Such axial fixing of Radflanschnabe 51 in the wheel bearing 52 may also be accomplished by other means.
  • a gap 61 is present between the wheel flange 55 and the adjacent bearing housing 50.
  • the device 40 In order to be able to remove the wheel flange hub 51 together with the wheel bearings 52 in the direction of the arrow 54 from the bearing housing 50, the device 40 according to the invention is provided.
  • the support lips 31 are supported on the upper side on the bearing housing 50 in the surrounding area outside of the wheel bearing 52.
  • a bearing of the inner support surfaces 32 of the support plate 29 likewise takes place on the outer lateral surface 56 of the bearing housing 50.
  • the support lips 31 as well as the support surfaces 32 of the support plates 29 serve to support the bearing housing 50.
  • the inner support surfaces 32 of the support plates 29 serve when attaching to the bearing housing 50 as a kind of "insertion limit", so that the support plates 29 safely on the bearing housing 50 correctly can be attached. Due to the L-shaped design of the support legs 21, a force is achieved at a force in the support elements 17 against the arrow 54, so the support plates 29 are pressed radially inward in the direction of the arrows 59, 60 against the outer lateral surface 56 of the bearing housing 50. In that regard, here is a double support of the support members 17 on the bearing housing 50th
  • the Radflanschnabe 51 is not axially fixed in the wheel bearing 52 via a circlip or the like, can also be provided that with the device 40 according to the invention only the Radflanschnabe 51 is pulled out of the wheel bearing 52. Also, the device according to the invention can be used after removing the Radflanschnabe 51 for removing the still remaining in the bearing housing 50 wheel bearing 52, by between the pull nut 48 and the wheel bearing 52nd a corresponding pressure plate is placed, which is supported on the outer bearing of the wheel bearing (not explicitly shown in the drawing).
  • the support elements 17 are pressed radially inwardly in the direction of the arrows 59 and 60 due to the angled shape of their support legs 21 with their support plates 29 during the extraction process, whereby an additional stabilization of the device 40 is achieved during use.
  • the device can be used variably both with a hydraulic cylinder 41 and with a simple pulling spindle. This optional use is essentially dependent on the required tensile forces for pulling a Radflanschnabe or a wheel bearing.
  • the Radius of the support legs 21 in the region of their support lips 31, these support legs 21 are also used in wide ranges of different diameters of bearing housings.
  • the device 40 according to the invention can also be used to press out a drive shaft located in the bearing hub 58, which is not explicitly shown in the drawing.
  • the hydraulic cylinder 41 is designed as a cylinder acting unilaterally in the direction of arrow 54
  • this hydraulic cylinder 41 is rotated by 180 ° and brought into engagement with the support crosspiece 1 via a second threaded adapter.
  • the pull rod 43 then acts as a push rod.
  • the hydraulic cylinder 41 is activated.
  • pressure is now exerted on the drive shaft in the direction of the arrow.
  • the device 40 according to the invention is supported with the support plates 29 of its support members 17 axially on the "back" of the wheel flange 55, so that the drive shaft is pressed securely out of the bearing hub 58.
  • the two support members 17 may be locked by a support bracket 62 shown in phantom in Fig. 5, so that the support members 17 can not be pressed radially apart.
  • This support bracket is, as is known for standard pullers, adjustable to the required spacing of the support elements.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Tires In General (AREA)
EP06017697A 2005-09-10 2006-08-25 Arrache-moyeu Withdrawn EP1762341A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200520014292 DE202005014292U1 (de) 2005-09-10 2005-09-10 Radnabenauszieher

Publications (2)

Publication Number Publication Date
EP1762341A2 true EP1762341A2 (fr) 2007-03-14
EP1762341A3 EP1762341A3 (fr) 2010-04-14

Family

ID=35508513

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06017697A Withdrawn EP1762341A3 (fr) 2005-09-10 2006-08-25 Arrache-moyeu

Country Status (2)

Country Link
EP (1) EP1762341A3 (fr)
DE (1) DE202005014292U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101890694A (zh) * 2010-07-23 2010-11-24 浙江欧迪恩汽车零部件有限公司 汽车驱动轴用tj型等速万向节拆卸装置
USD850226S1 (en) 2016-11-22 2019-06-04 Wallmek i Kungälv AB Tool yoke
US10532450B2 (en) 2016-11-22 2020-01-14 Wallmek i Kungälv AB Tool kit for vehicles

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104842315A (zh) * 2015-04-24 2015-08-19 中国能源建设集团安徽电力建设第一工程有限公司 一种轴承拆卸装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8908237U1 (de) 1989-07-06 1989-08-31 Klann, Horst, 7730 Villingen-Schwenningen Vorrichtung zum Herausziehen von Radflanschnaben oder Keilnaben von Kraftfahrzeugen od.dgl. aus einem Wellenlager

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1479568A (en) * 1921-04-30 1924-01-01 Frederick G Wacker Wheel puller
US1725169A (en) * 1927-09-29 1929-08-20 William I Wooldridge Gear and wheel puller
DE840678C (de) * 1949-02-19 1952-06-05 Kleinbongartz & Kaiser Vorrichtung zum Ausziehen von Zylinderlaufbuechsen bei Motoren, von Kugellagern, Lagerbuechsen u. dgl.
US5067220A (en) * 1990-12-11 1991-11-26 Dowley Manufacturing, Inc. Front wheel drive hub puller
DE202005003450U1 (de) * 2005-03-04 2005-05-19 Klann-Spezial-Werkzeugbau-Gmbh Vorrichtung zum Aus-und Einpressen eines rückseitig geschlossenen Radlagers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8908237U1 (de) 1989-07-06 1989-08-31 Klann, Horst, 7730 Villingen-Schwenningen Vorrichtung zum Herausziehen von Radflanschnaben oder Keilnaben von Kraftfahrzeugen od.dgl. aus einem Wellenlager

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101890694A (zh) * 2010-07-23 2010-11-24 浙江欧迪恩汽车零部件有限公司 汽车驱动轴用tj型等速万向节拆卸装置
USD850226S1 (en) 2016-11-22 2019-06-04 Wallmek i Kungälv AB Tool yoke
US10532450B2 (en) 2016-11-22 2020-01-14 Wallmek i Kungälv AB Tool kit for vehicles

Also Published As

Publication number Publication date
DE202005014292U1 (de) 2005-12-15
EP1762341A3 (fr) 2010-04-14

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