EP1743744A2 - Dispositif pour échanger une rotule d'un essieu de véhicule automobile - Google Patents

Dispositif pour échanger une rotule d'un essieu de véhicule automobile Download PDF

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Publication number
EP1743744A2
EP1743744A2 EP06014322A EP06014322A EP1743744A2 EP 1743744 A2 EP1743744 A2 EP 1743744A2 EP 06014322 A EP06014322 A EP 06014322A EP 06014322 A EP06014322 A EP 06014322A EP 1743744 A2 EP1743744 A2 EP 1743744A2
Authority
EP
European Patent Office
Prior art keywords
leg
bearing
ball joint
coupling
pressing
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Withdrawn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
EP06014322A
Other languages
German (de)
English (en)
Other versions
EP1743744A3 (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 EP1743744A2 publication Critical patent/EP1743744A2/fr
Publication of EP1743744A3 publication Critical patent/EP1743744A3/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Withdrawn legal-status Critical Current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
    • 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 exchanging a pressed in a bearing eye of an axle body ball joint consisting of a U-shaped base body having a first and a second spaced apart U-legs, one of which with a pressing device and the other with different adapters for Pressing and pressing of the ball joint can be coupled, wherein the bearing eye is integrally formed on a bearing housing of the axle body and aligned with its longitudinal central axis approximately at right angles to the longitudinal center axis of the bearing housing.
  • a device of the generic type is for example from the DE 20 2004 010 202 U1 known.
  • This known device is provided for exchanging a pressed into a bearing eye of an axle body ball joint and has for this purpose a base body, which is U-shaped. Accordingly, this base body forms two U-legs, which run parallel to one another and are integrally connected to one another via a connecting web.
  • the two U-legs are annular, wherein the one U-legs is provided with an internal thread for receiving a pressing device.
  • the second U-leg or its receiving ring is directly or via an adapter ring on Bearing eye of the axle body attachable and serves as an abutment when pressing and squeezing the ball joint.
  • the two receiving rings of the U-leg can be connected to one another via a tension strut.
  • this tension strut is brought as a replaceable or removable component with the receiving rings in connection and the connecting web diametrically opposite screwed to the two receiving rings.
  • the bearing eye in which the ball joint is pressed is an integral part of a bearing housing in which the wheel bearing of a motor vehicle axle is used. If the dimensions of the axle body are dimensioned extremely large with its bearing housing and its bearing eye, the known device can be attached to the bearing eye in a simple manner and is supported in the sense of an abutment on a front side of the bearing eye.
  • the second receiving ring is provided with the pressing device, which may for example be designed as a hydraulic cylinder, which is aligned with its piston rod coaxial with the bearing eye. Since the two receiving rings also extend coaxially to one another, the ball joint can thus be pressed out of the bearing via the piston rod and corresponding adapter pieces. The piston rod presses on this adapter centrally back on the ball joint, so that it is pressed out of the bearing eye and by the back attached to the bearing eye receiving ring upon activation of the hydraulic cylinder.
  • an adapter ring can be used in the receiving ring for the bearing eye, whose diameter is slightly smaller is as a support ring of the ball joint, so that this receiving ring of the body via the adapter ring is axially supported on the support ring of the ball joint.
  • a pressure piece is provided, via which the piston rod is supported on the bearing eye on the opposite side of the first adapter ring.
  • axle bodies have become known in which the bearing eye is arranged with its longitudinal central axis perpendicular to the longitudinal central axis of the wheel bearing receiving bearing housing.
  • the distance between the longitudinal center axis of the bearing eye in the direction of the longitudinal center axis of the bearing housing is chosen to be extremely low. This means that, although radially outward with respect to the bearing housing of the receiving ring with the pressing device in the same manner via corresponding adapter pieces on the ball joint or on the bearing eye is attachable. Due to the extremely small distance of the bearing eye to the bearing housing in the direction of the longitudinal center axis of the bearing housing, however, the second receiving ring can not be attached to the bearing eye, since this collides with the bearing housing.
  • the invention has for its object to design a device of the generic type such that it can be used even in extremely tight conditions for pressing and squeezing a ball joint from a bearing eye.
  • the first U-leg is annular and has a central receiving bore for coupling with the pressing device and that between the second U-leg and the bearing eye a pressure piece is provided, through which the distance of the second U -Schels to the bearing eye is adjustable so that the second U-leg is arranged in the state attached to the bearing eye in the region of the bearing bore of the bearing housing.
  • a device which is also used in axle bodies, in which the distance between the bearing eye for the ball joint from the bearing housing in the direction of the longitudinal center axis of the bearing housing is extremely low.
  • the U-legs are annular and serves to receive a pressing device which, for example, a compression screw or, for higher pressing forces, a hydraulic cylinder can be.
  • the second U-leg is provided with a coupling element, via which a pressure piece can be attached to this second U-leg.
  • this pressure piece which is the press apparatus opposite to the bearing eye attachable, the distance of the second U-leg is moved to the bearing eye approximately in the region of the bearing bore of the bearing housing.
  • the second U-leg is in a region of the axle, in which in the direction of the longitudinal central axis of the bearing housing additional space is present.
  • the second U-leg can be made larger, so that this second U-leg can be formed with sufficient stability.
  • the second U-leg is shorter than the annular first U-leg.
  • the second U-leg is offset from the axle body and partially protrudes into the bearing bore of the bearing housing in the state attached to the axle body.
  • the coupling element is interchangeable screwed into a corresponding threaded bore of the second U-leg, wherein in the attached state, this threaded hole is arranged in the immediate vicinity of the bearing housing.
  • Fig. 1 shows a perspective view of a base body 1 of a device according to the invention, which is U-shaped.
  • This main body 1 forms a first U-leg 2 and a second U-leg 3, which are parallel to each other and perpendicular to a connecting these two U-legs connecting web 4 are arranged.
  • the first U-leg 2 forms a receiving ring 5, via which a pressing device can be coupled to the base body 1.
  • this receiving ring 5 an internal thread 6, in which, for example, a coupling sleeve 7 is screwed on the underside.
  • This coupling sleeve 7 has for this purpose a threaded portion 8, with which the coupling sleeve 7 defined in the receiving ring 5 and whose internal thread 6 is screwed.
  • the coupling sleeve 7 forms in axial extension down to this threaded portion a radially enlarged graduated coupling portion 9, which in turn is in turn provided with an internal thread 10.
  • a pressing device in the form of a hydraulic cylinder is fixed screwed in the present embodiment.
  • This coupling sleeve 7 is used in the present embodiment to increase the axial distance of the hydraulic cylinder to the second U-leg 3 and for receiving support sleeves, as shown by way of example in FIGS. 4 and 5.
  • the second U-leg 3 has a central through-hole 11 with an internal thread 12, which is arranged coaxially to the receiving ring 5 with its internal thread 6 in the U-leg 3.
  • this through hole 11 with its internal thread 12 is a coupling element in the form of a coupling screw 13 can be screwed.
  • this coupling screw 13 has a drive hexagon 14 in its upper end region, so that this coupling screw 13 can be screwed tightly into the internal thread 12 of the through bore 11 by means of a corresponding key tool.
  • this drive hex 14 is provided to limit the depth of engagement of the coupling screw 13 at this a radially projecting stop collar 15.
  • a corresponding threaded portion 16 whose length corresponds approximately to the entire axial length of the through hole 11 with its internal thread 12.
  • the coupling screw 13 at its the drive hexagon 14 opposite end a coupling pin 17, which in the fully screwed into the U-leg 3 state of the coupling screw 13 axially to the first U-leg 2 toward the second U Thigh 3 surmounted.
  • This coupling pin 17 is used in the present embodiment for coupling the second U-leg 3 with different pressure pieces, as shown by way of example in FIGS. 3 and 6 are shown.
  • FIG. 2 shows a perspective partial view II of FIG. 1 on the second U-leg 3 with inserted coupling screw 13. It can be seen that the U-leg 3 forms an approximately semicylindrical shaped leg element 18 towards the connecting web 4. This leg member 18 forms a parallel to the longitudinal central axis 19 of the coupling screw 13 extending front-side, flat end surface 20th
  • an approximately semi-cylindrical extension portion 21 of the second U-leg 3 is formed, which extends at right angles to the longitudinal central axis 19 of the coupling screw 13 used forwards.
  • the through hole 11 is arranged with its internal thread 12.
  • the extension portion 21 is shaped and dimensioned such that it can protrude in use at least partially into the bearing bore of a bearing housing of an axle body, without being able to collide with the bearing bore can.
  • the coupling pin 17 projects beyond the U-leg 3 parallel to the connecting web 4.
  • the connecting web 4 has a double-T-shaped cross section 22. This cross-sectional shape is extremely advantageous in terms of its rigidity, whereby the handling of the base body 1 is considerably facilitated by this cross-sectional shape.
  • Fig. 3 shows a perspective view of a first embodiment of a pressure piece 25, which is provided for pressing out a ball joint.
  • This pressure piece 25 is formed as a cylindrical portion and provided with a central through hole 26.
  • the pressure piece 25 with its through hole 26 interchangeable on the axially protruding from the second U-leg 3 coupling pin 17 of the coupling screw 13 can be plugged.
  • the pressure piece 25 further forms a flat boundary surface 27 which is parallel to the longitudinal central axis 28 of the pressure piece 25 is arranged to extend. This boundary surface 27 has an extremely small distance from the through hole 26 of the pressure piece 25. Due to this configuration, the pressure piece 25 can be attached coaxially to a bearing eye running on this or on a pressed-in this bearing eye ball joint without the pressure piece 25 can collide with the immediately adjacent bearing housing of an axle body (Fig. 7).
  • Fig. 4 shows a perspective view of a first embodiment of a support sleeve 30 which is provided together with the pressure piece of Fig. 3 for pressing a ball joint.
  • This support sleeve 30 has at the top a stepped end annular surface 31 which with a set-back annular portions 32. With this end face 31, the support sleeve 30 can be attached to a bearing eye of a ball joint.
  • This end annular surface 31 is part of a bell-shaped portion 33 of the support sleeve 30, to which a radially tapered receiving portion 34 connects.
  • a receiving bore 35 is provided, which serves in use for receiving the coupling pin always present on a ball joint (FIG. 7).
  • the support sleeve 30 has a radially tapered downwardly projecting coupling element 36, which has a radially tapered coupling bore 37 in the axial extension of the receiving bore 35.
  • the support sleeve 30 with a piston rod of a hydraulic cylinder can be coupled (Fig. 7).
  • Fig. 5 shows another embodiment of a support sleeve 40, which for pressing a ball joint in an associated Bearing eye is provided.
  • This support sleeve 40 has a circumferential support wall 41, which forms a circumferential end face 42 for support on a support ring of a ball joint.
  • the diameter of the support wall 41 and thus also the end ring surface 42 is smaller than the diameter of the bell-shaped portion 33 of the support sleeve 30th
  • the support sleeve 40 has downwardly an axially projecting coupling element 45, which is also provided with a coupling bore 46. With this coupling bore 46 or the coupling element 45, the support sleeve 40 can also be coupled to the piston rod of a hydraulic cylinder (FIG. 8).
  • Fig. 6 shows a perspective view of another thrust piece 50, which is also in the form of a cylinder portion and is provided for pressing a ball joint.
  • this pressure piece 50 forms an annular wall portion 51 which is attachable via its lower end face 52 as an abutment on the bearing eye of an axle body.
  • the radius of curvature of this annular wall section 51 is selected such that any parts of the ball joint projecting upwards out of the bearing eye find room therein.
  • the pressure piece 50 forms on the upper side an end wall 53, which is provided with a through hole 54. With this through hole 54, the pressure piece 50 can also be placed on the coupling pin 17 of the U-leg 3.
  • end wall 53 also forms a flat, parallel to the longitudinal central axis 55 extending boundary surface 56, which is arranged in the immediate vicinity of the through hole 54. Because of this configuration of the pressure piece 50, this is also attachable to a bearing eye of a ball joint, which is arranged immediately adjacent to the bearing housing of a wheel bearing of an axle body.
  • Fig. 7 shows a vertical section of the device according to the invention in its, attached to an axle 60 state.
  • the Auspressvorgang is shown in Fig. 7, wherein the axle body 60 is shown here only in its basic configuration.
  • the axle body 60 has a bearing housing 61, which is provided with a bearing bore 62.
  • a wheel bearing 63 is used, which is arranged offset from the front end annular surface 64 of the bearing housing 61.
  • a bearing eye 65 is formed, in which a ball joint 66 is pressed.
  • the ball joint 66 has a cylindrical housing 67, in which a coupling pin 68 is pivotally and rotatably received via a, not shown in the drawing, bearing ball.
  • a kind of protective plate 70 is still provided between the stop web 69 and the bearing eye 65, which has an annular wall section 71 below the bearing housing 61 towards the coupling journal 68.
  • the bearing eye 65 with its longitudinal central axis 73 extends approximately at right angles to the longitudinal central axis 72 of the bearing housing 61 or the wheel bearing 63 and only has an extremely small distance from the bearing housing 61 in the direction of its longitudinal central axis 72.
  • the pressure piece 25 of FIG. 3 is placed on the coupling pin 17 of the coupling screw 13. Due to the shape of the pressure piece 25 with its flat, recessed boundary surface 27 a collision with the bearing housing 61 is excluded. Next sits the pressure piece 25 on the back of the housing 67 of the ball joint 66. In this case, the pressure piece 25 extends with its longitudinal central axis 28 concentric to the longitudinal center axis 73 of the bearing eye 65th
  • the coupling sleeve 7 is screwed, which in turn is stationary with a hydraulic cylinder 75 in communication.
  • This hydraulic cylinder 75 is provided with a corresponding coupling thread 76, via which the hydraulic cylinder 75 is screwed fixedly into the internal thread 10 of the coupling sleeve 7.
  • the hydraulic cylinder 75 has a piston rod 77, which has a stepped receiving pin 78 with a radially widened annular collar 79 towards the second U-leg 3.
  • the support sleeve 30 is placed with its coupling element 36 for pressing out of the ball joint 66.
  • the support sleeve 30 is now moved in the direction of the arrow 80 via the piston rod 77 up until they with their remote end face 31 and its recessed portion 32 on the one hand on the underside 81 of the bearing eye 65 and on the other hand on the underside of the mudguard 70 comes to rest.
  • the remote configuration of the end face 31 with its recessed annular portion 32 is adapted according to the plate thickness of the guard plate 70, so that when flat concerns of the support sleeve 30 on the underside of the bearing eye 65 and the fender 70 parallel alignment of the support sleeve 30 to the longitudinal central axis 73 of the bearing eye 65 inevitably he follows.
  • end ring surface 31 may be formed continuously circumferentially, provided that the bearing eye 65 to the end face 31 has a continuous flat surface or bottom 81. That is, in the event that no guard plate 70 is present, the end face 31 is not formed discontinued and fully circumferentially just at the bottom 81 on the bearing eye 65 is supported.
  • Fig. 8 shows the base body 1 with the coupling screw 13 and the coupling sleeve 7 and the hydraulic cylinder 75 in its attached to the axle 60 and the bearing housing 61 with its bearing eye 65 state.
  • the starting position of the device according to the invention is shown during the press-fitting process.
  • the pressure piece 50 is placed and supported with its lower end face 52 on the upper side of the bearing eye 65.
  • the pressure piece 50 is configured in its length such that the second U-leg 3 is arranged with its extension portion 21 in the region of the bearing bore 62 of the bearing housing 61.
  • the support sleeve 40 is for pressing the ball joint 66, the support sleeve 40 with its coupling element 45 with the receiving pin 78 of the piston rod 77 of the hydraulic cylinder 75 in connection.
  • the ball joint 66 is placed with its stop web 69. It can be seen that the outer diameter of the support wall 61 the diameter of the stop web 69 is adjusted.
  • the protective plate 70 is placed on the housing 67 of the ball joint 66 and rests on the stop web 69 of the ball joint 66 at the rear.
  • the piston rod 77 moves together with the support sleeve 40 in the direction of the arrow 80, so that here necessarily the ball joint 66 is moved in the same direction.
  • the ball joint 66 engages with its housing 67 with the bearing eye 65 of the axle body 60 in engagement, so that it is pressed into the bearing eye 65.
  • the configuration of the pressure piece 50 with its radially recessed, flat boundary surface 56 is also chosen such that the pressure piece 50 can not collide with the axle body 60 and its bearing housing 61.
  • the position of the second U-leg 3 is positioned such that it is arranged in the region of the bearing bore 62 of the bearing housing 61 and thus a collision during the press-fitting is safely excluded.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
EP06014322A 2005-07-16 2006-07-11 Dispositif pour échanger une rotule d'un essieu de véhicule automobile Withdrawn EP1743744A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200520011206 DE202005011206U1 (de) 2005-07-16 2005-07-16 Vorrichtung zum Austauschen eines Kugelgelenkes einer Kraftfahrzeugachse

Publications (2)

Publication Number Publication Date
EP1743744A2 true EP1743744A2 (fr) 2007-01-17
EP1743744A3 EP1743744A3 (fr) 2010-05-19

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ID=35070943

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Application Number Title Priority Date Filing Date
EP06014322A Withdrawn EP1743744A3 (fr) 2005-07-16 2006-07-11 Dispositif pour échanger une rotule d'un essieu de véhicule automobile

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EP (1) EP1743744A3 (fr)
DE (1) DE202005011206U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018140088A3 (fr) * 2017-01-29 2018-09-07 Hargrove Monroe Systèmes et/ou dispositifs de gestion de réparations de véhicule

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008025071A1 (de) 2008-05-26 2009-12-03 Wirtgen Gmbh Werkzeug zur Demontage eines Meißels
US11338418B2 (en) 2020-08-17 2022-05-24 Snap-On Incorporated Joint press adapter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004010202U1 (de) 2004-06-30 2004-09-02 Klann-Spezial-Werkzeugbau-Gmbh Gelenkauszieher für Kraftfahrzeugachsen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2235643A (en) * 1937-12-27 1941-03-18 Blackhawk Mfg Co Apparatus for inserting and removing shackle pins

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004010202U1 (de) 2004-06-30 2004-09-02 Klann-Spezial-Werkzeugbau-Gmbh Gelenkauszieher für Kraftfahrzeugachsen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018140088A3 (fr) * 2017-01-29 2018-09-07 Hargrove Monroe Systèmes et/ou dispositifs de gestion de réparations de véhicule
US11318594B2 (en) * 2017-01-29 2022-05-03 Monroe Hargrove Systems and/or devices for managing vehicle repairs

Also Published As

Publication number Publication date
DE202005011206U1 (de) 2005-09-29
EP1743744A3 (fr) 2010-05-19

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