EP1698436B1 - Dispositif pour l'insertion et l'extraction d'un palier de roue fermé sur sa face arrière - Google Patents

Dispositif pour l'insertion et l'extraction d'un palier de roue fermé sur sa face arrière Download PDF

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Publication number
EP1698436B1
EP1698436B1 EP06003914A EP06003914A EP1698436B1 EP 1698436 B1 EP1698436 B1 EP 1698436B1 EP 06003914 A EP06003914 A EP 06003914A EP 06003914 A EP06003914 A EP 06003914A EP 1698436 B1 EP1698436 B1 EP 1698436B1
Authority
EP
European Patent Office
Prior art keywords
pressing
plate
bearing
axially
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.)
Not-in-force
Application number
EP06003914A
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German (de)
English (en)
Other versions
EP1698436A1 (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
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Publication of EP1698436A1 publication Critical patent/EP1698436A1/fr
Application granted granted Critical
Publication of EP1698436B1 publication Critical patent/EP1698436B1/fr
Not-in-force 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
    • B25B27/026—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 fluid driven
    • 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
    • B25B27/023—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 using screws
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53796—Puller or pusher means, contained force multiplying operator
    • Y10T29/53848—Puller or pusher means, contained force multiplying operator having screw operator
    • Y10T29/53857—Central screw, work-engagers around screw
    • Y10T29/53861—Work-engager arms along or parallel to screw
    • Y10T29/53865—Work-engager arms along or parallel to screw with arm connecting engaging means

Definitions

  • the invention relates to a device for extracting and pressing a receivable in a bearing bore of a bearing housing of an axle body wheel bearing, according to the preamble of patent claim 1 ..
  • DE 93 15 919.6 U1 known to use a so-called perforated disc, which on Wheel flange of Radflanschnabe outside is attachable.
  • a suitable pressing device which in the subject matter of DE 93 15 919.6 U1 is designed as a spindle drive, as well as different, on the wheel bearing or on the Achsbauteil supporting pressure plates, centering or support plates can be exchanged with said device, the Radflanschnabe and the wheel bearing of an axle of a motor vehicle.
  • a supporting plate which is U-shaped.
  • This support plate has a U-shaped recess, with which the support plate between the wheel flange of Radflanschnabe and the Achsbauteil or the bearing housing of Achsbauteils can be introduced, so that this support plate is axially supported when pulling the Radflanschnabe from the associated wheel bearing on the bearing housing.
  • a pull spindle is used for pressing, which extends axially through the wheel hub.
  • axle components with Radflanschnaben and wheel bearings
  • a brake disc is arranged, which is therefore in the assembled state between the wheel flange and the wheel to be mounted later of a motor vehicle.
  • axle components are provided with radially projecting mounting eyes for a brake caliper to which a caliper in the peripheral region of the brake disc is fixedly mounted.
  • this device has a support plate which is stationary and releasably connectable at the distance to the axle body on the wheel flange axially opposite side of the axle body with the mounting eyes or the bearing eyes. Further, the support plate is provided with a support member, with which the support plate with a steering lever or another, radially projecting component of the axle body is fixedly engageable engaged.
  • This support plate serves as an abutment for a pressing device, which is formed from a hydraulic cylinder.
  • This hydraulic cylinder is fixedly connected via tie bolts with the hub flange. To pull out and to press in, the hydraulic cylinder on a press rod, which axially projects through the wheel hub during pressing and axially supported on the support plate.
  • the invention has the object, a device of the generic type such that the replacement of closed Radflanschnaben and / or closed wheel bearings is easy and safe to carry out.
  • the inventive design a device is provided with which it is possible in a simple and safe way to replace closed hubs or closed wheel bearings.
  • the guide plate can be U-shaped, wherein the support flange extends over approximately 180 ° and can be brought over this angular range, on the one hand, on the rear side with the wheel hub flange and on the other hand with the outer bearing ring of the wheel bearing.
  • the recess of the pressure plate or the guide plate is formed with its support flange in their radial dimensions such that the support flange in the inserted between the hub and the bearing housing state extends radially inwardly to the "outer ring" of the wheel bearing.
  • it can be brought into pressure contact, in particular for pressing the wheel bearing directly to the wheel bearing, so that the wheel bearing can be pressed without any damage in the bearing housing.
  • the extraction takes place by direct train of the pressure plate or guide plate with its support flange or the guide plate itself, depending on the design of the wheel hub, on the radially projecting hub flange.
  • the support flange of the guide plate is provided in the region of its radial inner edge with an axially projecting support web, with which the wheel bearing sunk into the bearing housing is pressed.
  • the thickness of the support flange is adapted with its support web to the inside width of the intermediate space between the hub flange and the bearing housing such that after pressing the wheel bearing, the guide plate are moved with its support flange against the press-in towards the Radnabenflansches and taken out of the space can.
  • the guide plate according to claim 3 may be associated with a holding plate which is removably attached to the guide plate.
  • This holding plate also has an approximately semicircular recess, which is bounded radially by a support flange. With the support flange, the retaining plate is inserted into the space between the hub flange of the wheel hub and the bearing housing of the axle body so that the support flange is axially supported during the extraction process back on the hub flange and the press-fitting on the wheel bearing. That During operation, the wheel hub is fully received in front of the guide plate and the retaining plate.
  • the wheel hub with the on the Radflanschnabe initially engaged with the guide plate, so that the guide plate is arranged with its support flange between the outer bearing ring of the wheel bearing and the hub flange.
  • the retaining plate is fixedly connected to the guide plate, for example by screw, connected, so that the retaining plate with its support flange between the outer bearing of the wheel bearing and the Radnabenflansch passes.
  • the support flange of the holding plate in the region of its radial inner edge with an axially projecting Be provided support bar, so that even with the retaining plate, the wheel bearing can be sunk into the bearing housing sunk.
  • the design of the support web corresponds to the configuration of the support web of the guide plate.
  • the pressing device has a support plate which is fastened by support rods fixed to the bearing eyes of the axle and that the pressing device has an axially adjustable to the support plate pressing rod, which with the press plate axially fixed coupled can be coupled.
  • the pressing plate moves relative to the pressing device or relative to the support plate and thus also relative to the axle in the axial direction, so that depending on the direction of activation of the pressing device on the press plate optionally pulled on Radnabenflansch or pressed onto the wheel bearing.
  • the device according to the invention can also be used directly on the vehicle. If such an insert on the vehicle is not desired, then the press plate can also be used in conjunction with a stationary press, which can be attached correspondingly to the axle body.
  • a coupling bridge is provided which is axially fixedly coupled during the pressing process with the press rod. Consequently, this coupling bridge moves along with the pressing rod so that, inevitably, the pressing plate is also moved in one or the other pulling or pressing direction.
  • This coupling bridge can be like a bar in a simple form be formed, the length of which is greater than the diameter of the hub flange, so that the coupling bridge is mechanically coupled in a simple manner with the pressing process "behind" the hub flange arranged pressing plate.
  • the press plate protrudes beyond the wheel hub flange at least partially in the radial direction.
  • beam-shaped coupling bridge may also be formed plate-shaped or in any other suitable form.
  • the press rod is part of a hydraulic cylinder, which is axially fixed interchangeable with the support plate in engagement and that the press rod has an adjusting thread, via which the press rod is axially adjustably received in an axially adjustable pressing piston of the hydraulic cylinder.
  • the pressing device is adaptable to different dimensions of the axle body by the axial adjustability of the press rod in the plunger of the hydraulic cylinder.
  • the press rod can be coupled with the coupling bridge extremely simple.
  • the pressing rod for pressing the wheel hub together with the wheel bearing with its adjusting thread with coupling bridge can be brought into train connection.
  • the coupling bridge itself may be provided with an internal thread into which the adjusting thread of the press rod can be screwed.
  • the press rod is put through a corresponding through hole of the coupling bridge and "a backside" a pull nut is screwed onto the adjusting thread.
  • this internal thread of the coupling bridge for the production of the train connection is part of a tension sleeve, which is arranged in a recess of the coupling bridge and is supported axially during the Auspressvorganges on an inner end wall of the recess.
  • the tension sleeve is held axially adjustable and non-rotatable via radially projecting into the recess of the coupling bridge in the coupling pin and that the coupling pins engage in adjusting slots of the tension sleeve radially. Due to the axial adjustability of the tension sleeve is adjustable with the threads of their internal threads on the threads of the adjusting thread of the press rod.
  • an automatic axial alignment of the threads of the internal thread of the tension sleeve is achieved in the axial displacement of the press rod with its adjusting thread on the threads of the press rod.
  • the axial compression spring is axially supported axially on a sealing cover detachably screwed on the outside of the coupling bridge in the region of the depression.
  • the press rod with the coupling bridge for pressing the wheel bearing in a simple manner can be brought into pressure connection.
  • This printhead can be provided with an external hexagon according to claim 13, so that the pressing rod is axially adjustable in the pressing piston of the hydraulic cylinder in a simple manner.
  • the guide plate and the retaining plate are preferably screwed together in their attached to the wheel hub state.
  • the attachment of the wheel hub is considerably simplified together with the wheel bearing for pressing.
  • the pressure plate is provided with two guide holes, via which the pressure plate is guided concentrically to the bearing housing and the wheel hub on two of the support rods axially adjustable.
  • To mount the wheel hub is inserted into the guide plate and moved against the bearing housing until the seated on the Radflanschnabe wheel bearing is in contact with the bearing bore of the bearing housing.
  • the retaining plate can be attached to the wheel hub and bolted to the guide plate. Due to this guidance of the guide plate on the fixedly connected to the axle support rods thus the wheel hub is automatically aligned together with the wheel bearing concentric with the bearing bore, so that tilting during the subsequent press-in is safely excluded.
  • the hydraulic cylinder is designed as a single-acting hollow piston cylinder and is provided at its two axial ends with coupling elements, with which the hydraulic cylinder for selectively applying tensile or compressive forces to the support plate in different orientations into engagement can be brought.
  • coupling thread or snap closures can be provided.
  • a quick release may be a usable in a corresponding receiving bore of the support plate clutch cylinder, which is secured via transverse spigot or on the back in a radial groove of the clutch cylinder usable U-shaped locking plates in the receiving bore.
  • the device according to the invention is suitable for pulling and pressing wheel bearings, which are secured by means of conventional securing rings or else via a so-called locking collar or securing ring in the bearing housing.
  • a ratchet or safety ring is pressed tightly onto the outer ring of the bearing and engages with radially resilient protruding securing tongues in a circumferential groove of the bearing bore of the bearing housing.
  • Such backup or locking rings are used in recent times, since a fully automatic assembly line assembly of the wheel hub is made possible together with the wheel bearing in the bearing housing.
  • Fig. 1 shows a pressing device 1 of the device according to the invention.
  • This pressing device 1 consists in the present embodiment of a support plate 2, which has a central internal thread 3 has.
  • This internal thread 3 is used for interchangeable receiving a hydraulic cylinder 4, which is designed as a so-called hollow piston cylinder and has an axially movable plunger 5.
  • the pressing piston 5 is provided with an axially adjustable pressing rod 6, which is provided in its one end portion with a driving hexagon 7.
  • This drive hexagon 7 axially opposite the press rod 6 has a print head 8, which is formed radially widened and is provided with key surfaces 38.
  • this has, for example, in each case a coupling thread 9 and 10 in its two end regions.
  • a coupling thread can also be provided as a quick release coupling cylinder as coupling elements, which can be used in a corresponding receiving bore of the support plate.
  • a quick release coupling cylinder as coupling elements, which can be used in a corresponding receiving bore of the support plate.
  • the clutch cylinder in the receiving bore may be provided radially or tangentially to the coupling cylinder extending into the receiving bore into projecting securing pin.
  • the receiving bore in the inserted state, completely protrude and be provided with a circumferential groove, in which, for example, a U-shaped locking plate for locking the clutch cylinder can be inserted.
  • the rear coupling thread 9 is formed smaller in diameter than the internal thread 3 of the support plate 2
  • an adapter piece 11 is provided for coupling the coupling thread 9 of the hydraulic cylinder 4 with the internal thread 3 of the support plate 2, which has an external thread 12, with which the adapter piece 11 in the internal thread 3 of Support plate 2 can be screwed.
  • the adapter piece 11 has a radially expanded stop collar 13 in its front end region.
  • the adapter piece 11 is provided with a corresponding internal thread 14.
  • the hydraulic cylinder 4 via the adapter piece 11 fixed and interchangeable with the support plate 2 is engageable.
  • the hollow cylinder designed as a hydraulic cylinder 4 is acting unilaterally, so that when activated the plunger 5 at the in Fig. 1 shown orientation of the hydraulic cylinder 4 is adjusted in the direction of arrow 15.
  • an adjustment of the press rod 6 is effected in the direction of the arrow 15, so that with this corresponding tensile forces can be applied.
  • the press rod 6 is formed in the present embodiment as a threaded rod and accordingly has an adjusting thread 16, via which the pressing rod 6 is variable relative to the pressing piston 5 axially adjustable.
  • the adjusting thread 16 extends in the present embodiment of the pressing rod 6 over its entire axial length between the driving hexagon 7 and the radially expanded print head eighth
  • Fig. 1 is further recognizable that in the present embodiment, a total of three support rods 17, 18 and 19 are provided.
  • Each of these support rods 17, 18 and 19 has the support plate 2 towards the front side in each case an internal thread 20, 21 and 22, via which the support rods 17, 18 and 19 are fixed and detachably connected to the support plate 2.
  • the support plate 2 is correspondingly provided with three through holes 23, 24 and 25. Through these through holes 23, 24 and 25 corresponding mounting screws 26 are plugged through and accordingly with the internal threads 20, 21 and 22 of the respectively associated support rod 17, 18 and 19 engageable.
  • the support rods may also be provided with axially projecting threaded pins, which can be inserted through the through holes 23, 24 and 25 of the support plate 2 and fastened to the support plate 2 via corresponding mounting nuts.
  • the two cylindrically shaped support rods 17 and 18 in their, the internal threads 20 and 21 opposite end portion are each frontally provided with a second internal thread 27 and 28, in each of which a fastening screw 29 can be screwed.
  • a fastening screw 29 can be screwed.
  • the two support rods 17 and 18 are each fixedly connected to the mounting flange of an axle body. This will be explained in more detail below.
  • axially projecting threaded pins can alternatively be provided, which can either be screwed into corresponding threads of the bearing eyes of an axle body or can be fastened to the bearing eyes via mounting nuts.
  • the third support rod 19 is provided in its, the internal thread 22 opposite end portion, with a mounting head 30, which has two mutually parallel mounting surfaces 31 and 32 in the present embodiment.
  • this with its mounting head 30 with one of its two mounting surfaces 31 or 32 for example, on the bearing eye of a steering lever of an axle body attachable, as will be explained in more detail below.
  • a retaining screw 33 is provided in the present embodiment, which is plugged through the bearing eye of the steering lever and provided for screwing into an internal thread 34 of the mounting head 30 with a corresponding threaded pin 35.
  • the retaining screw 33 in its, the threaded pin 35 opposite end portion, a radially enlarged cylinder portion 36, which serves for manually screwing the retaining screw 33 into the internal thread 34 of the mounting head 30.
  • a drive shaft 37 is provided in the axial extension of the cylinder portion 36, via which the retaining screw 33 can be tightened by means of a suitable key tool.
  • the pressing rod 6 is optionally, depending on the orientation of the hydraulic cylinder 4, with a coupling bridge 40 in tensile or pressure connection can be brought.
  • This coupling bridge 40 is made Fig. 2 visible in perspective. It can be seen that this coupling bridge has a central through-bore 41, which is provided to the pressing rod 6 with a radially enlarged recess 42. With this recess 42, the coupling bridge 40 with the print head 8 of the press rod 6 is made Fig. 1 can be brought in pressure connection.
  • FIG. 2 can be seen in dashed lines that the through hole 41 is provided on its, the recess 42 axially opposite side, with a second, radially enlarged, greater than the recess 42 formed recess 43.
  • This recess 43 is formed deeper in the axial length than the front recess 42 and serves to receive a tension sleeve 44th
  • This tension sleeve 44 can be used with little play and axially adjustable in the recess 43.
  • the tension sleeve 44 For coupling with the adjusting thread 16 the compression rod 6, the tension sleeve 44 has a corresponding internal thread 45.
  • two grub screws 46 are provided in the present embodiment, which can be screwed through corresponding opening into the recess 43, radially to the recess 43 extending through hole 47.
  • the grub screws 46 each have a coupling pin 48, with which the grub screws 46 in correspondingly arranged in the tension sleeve 44 longitudinal slots 49 are engageable. These longitudinal slots 49 are limited in their axial extent and thus limit the axial maximum possible travel of the tension sleeve 44 in the recess 43.
  • sealing cover 51 is provided for holding the tension sleeve 44 in the recess 43.
  • the through hole 50 is used in operation to carry out the push rod 6 with its drive hexagon 7 in its the sleeve 44 screwed state.
  • a corresponding Axialdruckfeder 53 is provided in order to press the tension sleeve 44 against the inner end wall 52 of the recess 43 resiliently yielding.
  • a screwing of the adjusting thread 16 of the press rod 6 in the internal thread 45 of the tension sleeve 44 allows in a simple manner.
  • the compression rod 6 with its adjusting thread 16 does not have to be axially adjusted to the axial position of the tension sleeve 44 with its internal thread 45.
  • two mounting screws 54 are provided in the present embodiment, which by two through holes 55 of the closure lid 51st can be plugged in and screwed into two internal threads 56 of the coupling bridge 40 accordingly.
  • the coupling bridge 40 is formed like a bar in the present embodiment and extends from its central through hole 41 laterally symmetrical to the through hole 41.
  • the coupling bridge 40 is provided with a through hole 59 and 60, respectively which in each case a connecting screw 61 and 62 can be inserted therethrough.
  • a pressing plate 65 is fixedly connected to the coupling bridge 40.
  • two spacer sleeves 66 and 67 are provided in the present embodiment, through which the two connecting screws 61 and 62 can be inserted therethrough.
  • this exemplified coupling bridge 40 may also be a plate-shaped or otherwise kind of coupling device may be provided, which finds place between the support rods 17, 18 and 19 and allows a coupling of the compression rod 6 with the pressure plate 65.
  • the pressure plate 65 consists of a guide plate 68 and a releasably connectable to this plate 69.
  • two connecting screws 70 and 71 are provided in the present embodiment, which through corresponding through holes 72 and 73 of the support plate 69 plugged through and into two correspondingly assigned internal thread 74 and 75 of the guide plate 68 are screwed, as in Fig. 2 is shown by way of example.
  • the guide plate 68 and the holding plate 69 each have a corresponding internal thread 76 and 77, respectively.
  • the guide plate 68 has an approximately semicircular recess 80 towards the holding plate 69.
  • the holding plate 69 is also provided to the guide plate 68 with a semicircular recess 81.
  • the two recesses 80 and 81 form a circular opening.
  • the guide plate 68 and the holding plate 69 in the radial vicinity of their recesses 80 and 81 have a smaller thickness.
  • the guide plate 68 and the holding plate 69 form the coupling bridge 40 toward a flat support surface 82 and 83, via which the guide plate 68 and the support plate 69 are supported at the rear of the wheel hub flange of a wheel hub during the extraction process of a wheel bearing.
  • the radial surrounding regions of the two semicircular or U-shaped recesses 80 and 81 form a kind of support flange 84 and 85, respectively in the radially inner region with an axially to each front end face 86 and 87 of the guide plate 68 and the holding plate 69 projecting, annular support bar 88 and 89 are provided. Accordingly, close radially outwardly to the two support webs 88 and 89 circular arc extending depressions 90 and 91 at.
  • the guide plate 68 has two through holes 92 and 93, over which the guide plate 68 and thus the fixedly mounted on the guide plate 68 retaining plate 69 is axially adjustably guided on the two support rods 17 and 18, as further below is explained.
  • Fig. 3 schematically shows an axle body 100, as used for example in motor vehicles.
  • This axle body 100 has a central bearing housing 101, which forms a central bearing bore 102.
  • a bearing block 105 provided with two transverse bores 103 and 104 is provided in the upper end region of the axle body 100 in the present exemplary embodiment.
  • this has a rearwardly arranged bearing web 106 with a corresponding receiving bore 107, via which the axle body 100 can be coupled, for example, with the ball joint of a transverse link of a motor vehicle axle.
  • the bearing block 105 is usually used to couple the axle body 100 with a shock absorber.
  • the axle body 100 has a laterally projecting articulation lever 108, which is provided at its outer end with a bearing eye 109.
  • This bearing eye 109 has for coupling with other axle components of a motor vehicle axle in the illustrated embodiment, a corresponding through hole 110.
  • Fig. 3 it is off Fig. 3 can be seen that the axle body 100 is provided on its side opposite the linkage lever 108 side with two mounting eyes 111 and 112, which in turn are provided with corresponding mounting holes 113 and 114.
  • mounting eyelets serve 111 and 112, as in Fig. 3 are shown by way of example, for mounting a brake caliper on the axle body 100.
  • the pressing device 1 With these mounting eyes 111, 112, the pressing device 1 is off Fig. 1 via its two support rods 17 and 18 fixed to the axle body 100 mountable.
  • the third support rod 19 with its mounting head 30 is in turn fixedly coupled to the bearing eye 109 of the coupling lever 108.
  • the pressing device 1 with its support plate 2 and the hydraulic cylinder 4 is fixedly mounted on the support rods 17, 18 and 19 on the axle body 100 and on its bearing lugs 109, 111 and 112 fixed.
  • FIG. 3 in a perspective view of a wheel hub 115 on which a wheel bearing 116 is fixedly arranged.
  • the wheel hub 115 forms a radially enlarged wheel hub flange 117 in the region of its end protruding from the wheel bearing 116.
  • This wheel hub flange 117 serves to receive a brake disk and a wheel of the motor vehicle during normal operation of a motor vehicle, for which purpose this wheel hub flange 117 is provided with a plurality of internal threads 118 is.
  • the wheel hub 115 is rotatably mounted in the bearing housing 101 of the axle body 100 in the normal operation of the motor vehicle via the wheel bearing 116.
  • the wheel bearing 116 is pressed into the bearing bore 102 of the bearing housing 101.
  • Such a ready assembled state the wheel hub 115 in the bearing housing 101 of the axle body 100 shows Fig. 4 in a side view IV Fig. 3 ,
  • Fig. 4 How out Fig. 4 can be seen is in this mounted state between the outer end face surface 119 (see also Fig. 3 ) of the bearing housing 101 and the hub flange 117, a gap 120 is formed, which extends radially to the flange 116 received in the wheel bearing 121. It can be seen that the flange hub 121 has a significantly smaller diameter than the wheel bearing 116 and the bearing housing 101.
  • Fig. 4 indicated by the dashed line 122, that the wheel bearing 116 is axially recessed in the illustrated operating position, that is arranged offset back to the end face 119 of the bearing housing 101.
  • the peculiarity of the wheel hub 115 and the wheel bearing 116 is in this embodiment, that the hub 115 has no central through hole. Furthermore, the wheel bearing 116 is closed by a closure lid, not shown in detail in the drawing. Because of this particular embodiment of this axle construction, it is now not possible to remove the wheel bearing 116 from the bearing housing 101 by means of a pulling spindle projecting through the wheel hub 116.
  • a pressing of the wheel bearing 116 via the hub 115 is also not possible with the conventional devices, since there would be a danger in this press-fitting process that the wheel bearing 116 would be damaged by the extremely high axial pressing forces. Especially for this extraction or pressing the device of the invention is provided.
  • Fig. 5 shows a perspective view of the axle 100 mounted in the wheel hub 115, which with its in Fig. 5 non-visible wheel bearing 116 rotatably mounted in the bearing housing 101 is.
  • the wheel hub 115 has in this mounted position with its hub flange 117 at an axial distance from the front end ring surface 119 (shown in dashed lines) of the wheel bearing housing 101.
  • the pressure plate 65 is now initially used with its guide plate 68 radially.
  • the guide plate 68 comes with its support surface 82 flat against the back of the wheel hub flange 117 to the plant.
  • the holding plate 69 can be mounted on this.
  • the guide plate 68 diametrically opposite also in the intermediate space 120 between the wheel hub 117 and the end face 119 of the bearing housing 101 radially inserted.
  • both the semicircular recess 80 of the guide plate 68 and the semicircular recess 81 of the holding plate 69 are selected so that the flange hub 121 (FIG. Fig. 4 ) is received with play in the formed by these two recesses 80 and 81 through hole. That is, the pressure plate 65 arranged in the intermediate space 120 is freely rotatable both relative to the bearing eye 101 and relative to the wheel hub flange 117, as is particularly clear Fig. 6 is apparent.
  • the pressing plate 65 with the through holes 92 and 93 is adjusted about the rotation axis 125 of the wheel hub 115 in its angular position such that the through hole 92 coaxial with the mounting eye 111 and the through hole 93 is aligned coaxially with the bearing eye 112 of the axle body 100, as is apparent from Fig. 6 is recognizable. It is off Fig. 6 Further, it can be seen that the holding plate 69 is fixedly connected to the guide plate 68 via the two connecting screws 70 and 71, so that the guide plate 68 together with the holding plate 69 forms a stable, uniform pressure plate 65.
  • the support rod 19 can be brought with its mounting head 30 with the bearing eye 109 of the axle 100 in connection.
  • the mounting head 30 is placed, for example, with its lower mounting surface 32 on the bearing eye 109 and the retaining screw 33 through the Fig. 3 apparent through hole 110 of the bearing eye 109 inserted through and brought into engagement with the internal thread 34 of the bearing head 30.
  • the support plate 2 with the support rods 17, 18 and 19 on their axis of the body 100 opposite sides can be fastened.
  • the mounting screws 26 are provided, as is made Fig. 7 is apparent.
  • the retaining screw 33 can now be tightened so that the support rods 17, 18 and 19 together with the support plate 2 and the axle 100 a fixed Form unity.
  • the approximately triangular shape of the holding plate 69 is selected such as in particular Fig. 7 It can be seen that the retaining plate 69 can not collide with the support rod 19.
  • the retaining plate 69 after loosening or removing the two connecting screws 70 and 71 are removed from the axle body 100, which will be explained again later.
  • the hydraulic cylinder 4 is brought via the adapter piece 11 with the support plate 2 in connection.
  • the hydraulic cylinder 4 is formed in the present embodiment as a single-acting hollow piston cylinder, and is used in his in the Fig. 7 to 10 Selected orientation for removing the seated on the wheel hub 115, from Fig. 3 apparent wheel bearing 116 as a pulling device.
  • the press rod 6 extends through its adjusting thread 16 and its drive hexagon 7, the support plate 2 to the wheel bearing 115 out.
  • the coupling bridge 40 with the connecting screws 61 and 62 and the two spacers 66 and 67 is made Fig. 2 intended.
  • the arrangement of the support rod 17, 18 and 19 is chosen so that the coupling bridge 40 with its through hole 41 coaxial with the axis of rotation 125 extending between the support plate 2 and the hub 115 can be used.
  • FIG. 8 a perspective partial section, in which the sake of clarity, the support plate 2 with the hydraulic cylinder 4 is not shown and the support rods 17 and 19 shown in section.
  • Fig. 8 In this case, the adjusting thread 16 of the pressing rod 6 and the driving hexagon 7 can be seen in the perspective partial section.
  • the press rod 6 By turning the press rod 6 via its print head 8 or its outer hexagon 38 in the direction of the arrow 126, the press rod 6 engages with its adjusting thread 16 with the internal thread 45 of the tension sleeve 44 inserted into the coupling bridge 40.
  • the tension sleeve 44 is not explicitly shown. Since the threads of the adjusting thread 16 do not generally coincide axially with the threads of the internal thread 45 of the tension sleeve 44, the tension sleeve 44 is received axially adjustably in the coupling bridge 40.
  • Fig. 9 a vertical cross section through the coupling bridge 40th
  • the tension sleeve 44 is inserted into the recess 43 of the coupling bridge 40.
  • the tension sleeve 44 has a radial play for the recess 43, so that it is axially adjustable.
  • the two grub screws 46 are in the corresponding, radially extending through threads 47 of the coupling bridge 40 screwed in and project radially into the recess 43 of the coupling bridge 40 inside.
  • the two coupling pins 48 of the grub screws 46 engage in the diametrically opposed longitudinal slots 49 of the tension sleeve 44.
  • the longitudinal slots 49 are arranged and have such an axial length that the tension sleeve 44 from the in Fig. 9 shown starting position in the direction of arrow 126 is limited adjustable.
  • this lies flat against the end wall 52 formed by the depression 43.
  • the tension sleeve 44 is held by the Axialdruckfeder 52.
  • the recess 43 is secured in this mounted state of the tension sleeve 44 by the externally mounted on the coupling bridge 40 closure lid 51.
  • the two connecting screws 70 and 71 (in Fig. 1 only one recognizable) removable. Thereafter, the holding plate 69 after also the connecting screw 62 has been released, be removed from the wheel hub 115.
  • the shape of the holding plate 69, as it is made Fig. 10 can be seen, selected such that the holding plate 69 between the two tie rods 18 and 19 can be removed down. None of the tie rods 18 or 19 must be removed for this removal of the retaining plate 69.
  • the wheel hub 115 can now be removed together with the wheel bearing 116 from the guide plate 68. Subsequently, the wheel hub 115 is provided with a new wheel bearing and is again pressed into the bearing housing 101 of the axle body 100 by means of the device according to the invention.
  • Fig. 12 shows by way of example this intervention, wherein in Fig. 12 a partial section XII - XII Fig. 11 is shown, which runs in the parting plane of the guide plate 68 and the holding plate 69.
  • Fig. 11 It can be seen that the hydraulic cylinder 4 is mounted on the support plate 2 in the orientation rotated by 180 °. For this purpose, it is screwed with its external thread 10 in the support plate 2. As mentioned above, here also another suitable connection, in particular a quick release, between the hydraulic cylinder 4 and the support plate 2 may be provided. By this rotation of the press rod 6, the print head 8 with the recess 42 of the coupling bridge 40 can be brought into engagement. Upon activation of the hydraulic cylinder 4 whose is in Fig. 11 unrecognizable pressure piston adjusted together with the press rod 6 in the direction of arrow 126, thereby causing a corresponding adjusting movement of the coupling bridge 40 is effected. Is the retaining plate 69 (in Fig. 11 not shown) mounted on the guide plate 68, the wheel hub 115 is pressed together with the wheel bearing 116 in the bearing housing 101 of the axle body 100 by this adjusting movement.
  • Fig. 12 shows, as already mentioned above, the starting position before pressing out Fig. 11 in partial section. It can be seen that the wheel bearing 116 is arranged directly in front of the bearing bore 102 of the bearing housing 101.
  • the guide plate 68 can be attached to the bearing housing together with the holding plate 69 and the received wheel hub 115 with the wheel bearing 116 by hand.
  • the wheel bearing 116 remains in its position on the bearing housing 101 position.
  • Fig. 12 recognizable that the print head 8 of the press rod 6 is received in the radially enlarged recess 42 of the coupling bridge 40. Also are in Fig. 12 the two bearing lugs 111 and 112 of the axle body 100 can be seen, on which the two support rods 17 and 18 are fixedly mounted by means of the fastening screws 29. Furthermore, the support rods 17 and 18 are fixedly mounted on the support plate 2 via the mounting screws 26. Also is off Fig. 12 recognizable that the hydraulic cylinder 4 is screwed via its coupling thread 10 directly into the internal thread 3 of the support plate 2.
  • This device according to the invention can advantageously be used in cases in which no pull or push rod can be inserted through the wheel hub 115 or through the wheel bearing 116.
  • the support rods 17, 18 and 19 are provided in particular in an advantageous manner, via which the support plate 2 axially fixed on the axle can be fixed, as this particular Fig. 7 is recognizable. Due to this configuration, it is possible in a simple manner via the pressure plate 65 consisting of the guide plate 68 and the holding plate 69, the Remove wheel hub 115 together with the wheel bearing 116 from the bearing housing 101 of the axle body 100 and also press again.
  • a recessed arrangement of the wheel bearing 116 in the bearing housing 101 can be achieved. If a countersunk arrangement is not provided, a guide plate and a holding plate can also be provided which have a flat support flange 84 or 85 without the axially projecting support webs 88 and 89, respectively.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Braking Arrangements (AREA)
  • Automatic Assembly (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Claims (16)

  1. Dispositif d'extraction et d'emmanchement à force d'un palier de roue (116) pouvant être logé dans un alésage de montage (102) d'un carter de montage (101) d'un corps d'essieu (100), et par l'intermédiaire duquel un moyeu de roue (115), pourvu d'une collerette (117), est monté à rotation et avec immobilisation axiale dans ledit carter de montage (101), comprenant un système de pression (1), ainsi qu'une platine de pression (65) qui peut être placée, par une bride d'appui (84, 85), dans un espace intercalaire (120) situé entre ladite collerette (117) dudit moyeu de roue (115) et ledit carter de montage (101) dudit corps d'essieu (100), lequel corps d'essieu (100) est muni de plusieurs oeillets de montage (109, 111, 112) servant au montage d'autres composants d'essieu ou d'un étrier de frein,
    caractérisé par le fait
    que le système de pression (1) peut être fermement consigné à demeure sur le corps d'essieu (100) ; par le fait que la platine de pression (65) peut être réglée au moyen dudit système de pression (1), et forme une platine de guidage (68) pourvue d'un évidement (80) sensiblement semi-circulaire, délimité par la bride d'appui (84) dans le sens radial ; et par le fait que ladite platine de guidage (68) peut être insérée, par sa bride d'appui (84), dans l'espace intercalaire (120) situé entre la collerette (117) du moyeu de roue (115) et le carter de montage (101) dudit corps d'essieu (100), de façon telle que ladite bride d'appui (84) prenne axialement appui contre la face postérieure de ladite collerette (117) du moyeu de roue, lors du processus d'extraction, et contre le palier de roue (116) lors du processus d'emmanchement à force.
  2. Dispositif selon la revendication 1, caractérisé par le fait que la bride d'appui (84) de la platine de guidage (68) est dotée, dans la région de son arête intérieure radiale, d'une membrure d'appui (88) qui fait saillie dans le sens axial et par laquelle le palier de roue (116) peut être emmanché à force, de manière encaissée, dans le carter de montage (101).
  3. Dispositif selon la revendication 1 ou 2, caractérisé par le fait qu'une platine de retenue (69) est affectée à la platine de guidage (68) et est fixée à ladite platine de guidage (68), avec faculté de dépose ;
    par le fait que ladite platine de retenue (69) offre un évidement (81) sensiblement semi-circulaire, délimité par une bride d'appui (85) dans le sens radial ; et
    par le fait que ladite platine de retenue (69) peut être insérée, par sa bride d'appui (85), dans l'espace intercalaire (120) situé entre la collerette (117) du moyeu de roue (115) et le carter de montage (101) du corps d'essieu (100), de façon telle que ladite bride d'appui (85) prenne axialement appui contre la face postérieure de ladite collerette (117) du moyeu de roue, lors du processus d'extraction, et contre le palier de roue (116) lors du processus d'emmanchement à force.
  4. Dispositif selon la revendication 3, caractérisé par le fait que la bride d'appui (85) de la platine de retenue (69) est dotée, dans la région de son arête intérieure radiale, d'une membrure d'appui (89) qui fait saillie dans le sens axial et par laquelle le palier de roue (116) peut être emmanché à force, de manière encaissée, dans le carter de montage (101).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé par le fait que le système de pression (1) comporte une platine d'appui (2) pouvant être fixée rigidement, par l'intermédiaire de barres d'appui (17, 18, 19), aux oeillets de montage (109, 111, 112) du corps d'essieu (100) ; et
    par le fait que ledit système de pression (1) présente une tige de pression (6) qui peut être réglée axialement, vis-à-vis de ladite platine d'appui (2), et peut être accouplée à la platine de pression (65) avec immobilisation axiale.
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé par le fait qu'une entretoise d'accouplement (40) prévue pour le réglage axial de la platine de pression (65) est accouplée à la tige de pression (6), avec immobilisation axiale, en vue de l'extraction et de l'emmanchement à force du palier de roue (116).
  7. Dispositif selon la revendication 6, caractérisé par le fait que la tige de pression (6) fait partie intégrante d'un vérin hydraulique (4) en prise avec la platine d'appui (2), avec immobilisation axiale et faculté de remplacement ; et
    par le fait que la tige de pression (6) présente un filetage d'ajustement (16) par l'intermédiaire duquel ladite tige de pression (6) est logée, de manière axialement réglable, dans un piston de pression (5) dudit vérin hydraulique qui est réglable dans le sens axial.
  8. Dispositif selon la revendication 7, caractérisé par le fait que la tige de pression (6) peut être mise en liaison à effet de traction avec l'entretoise d'accouplement (40) par son filetage d'ajustement (16), conjointement au palier de roue (116), en vue de l'extraction du moyeu de roue (115).
  9. Dispositif selon la revendication 8, caractérisé par le fait que l'entretoise d'accouplement (40) offre, en vue d'instaurer la liaison à effet de traction, un filetage intérieur (45) faisant partie d'une douille de traction (44) qui est logée dans un chambrage (43) de ladite entretoise d'accouplement (40) et prend axialement appui, au cours du processus d'expulsion, contre une paroi annulaire frontale intérieure (52) dudit chambrage (43).
  10. Dispositif selon la revendication 9, caractérisé par le fait que la douille de traction (44) est retenue, avec faculté de réglage axial et sans faculté de rotation, par l'intermédiaire de chevilles d'accouplement (48) s'engageant radialement dans le chambrage (43) de l'entretoise d'accouplement (40) ; et
    par le fait que lesdites chevilles d'accouplement (48) pénètrent, radialement, dans des fentes d'ajustement (49) de ladite douille de traction (44).
  11. Dispositif selon la revendication 8 ou 9, caractérisé par le fait que la douille de traction (44) est poussée contre la paroi annulaire frontale (52), dans le chambrage (43), par l'intermédiaire d'un ressort (53) de pression axiale ; et
    par le fait que ledit ressort (53) de pression axiale est axialement en appui contre un couvercle obturateur (51) rapporté extérieurement par vissage sur l'entretoise d'accouplement (40), avec faculté de dépose, dans la région dudit chambrage (43).
  12. Dispositif selon l'une des revendications 5 à 11, caractérisé par le fait que la tige de pression (6) comporte, dans l'une de ses régions extrêmes, une tête de pression (8) par l'intermédiaire de laquelle ladite tige de pression (6) peut être mise en liaison à effet de pression avec l'entretoise d'accouplement (40), en vue de l'emmanchement à force du palier de roue (116).
  13. Dispositif selon la revendication 12, caractérisé par le fait que la tête de pression (8) est pourvue d'un profil extérieur (38) à six pans.
  14. Dispositif selon l'une des revendications 3 à 13, caractérisé par le fait que des douilles d'espacement (66, 67), ainsi que des boulons de solidarisation (61, 62), sont prévus pour assujettir, à l'entretoise d'accouplement (40), la platine de pression (65) constituée de la platine de guidage (68) et de la platine de retenue (69).
  15. Dispositif selon l'une des revendications 5 à 14, caractérisé par le fait que la platine de pression (65) est munie de deux alésages de guidage (92, 93) par l'intermédiaire desquels ladite platine de pression (65) est guidée de manière axialement réglable, sur deux barres (17, 18) parmi les barres d'appui, concentriquement au carter de montage (101) et au moyeu de roue (115).
  16. Dispositif selon l'une des revendications 7 à 15, caractérisé par le fait que le vérin hydraulique (4) est réalisé sous la forme d'un vérin (4) à piston creux et est pourvu, à ses deux extrémités axiales, d'éléments d'accouplement (9, 10) par l'intermédiaire desquels ledit vérin hydraulique (4) peut être mis en prise avec la platine d'appui (2), avec immobilisation dans des orientations différentes, en vue de développer sélectivement des forces de traction ou de pression.
EP06003914A 2005-03-04 2006-02-27 Dispositif pour l'insertion et l'extraction d'un palier de roue fermé sur sa face arrière Not-in-force EP1698436B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200520003450 DE202005003450U1 (de) 2005-03-04 2005-03-04 Vorrichtung zum Aus-und Einpressen eines rückseitig geschlossenen Radlagers

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EP1698436A1 EP1698436A1 (fr) 2006-09-06
EP1698436B1 true EP1698436B1 (fr) 2011-08-10

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Country Link
US (1) US20060196029A1 (fr)
EP (1) EP1698436B1 (fr)
AT (1) ATE519568T1 (fr)
BR (1) BRPI0600706A (fr)
DE (1) DE202005003450U1 (fr)
ES (1) ES2370505T3 (fr)

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Also Published As

Publication number Publication date
DE202005003450U1 (de) 2005-05-19
EP1698436A1 (fr) 2006-09-06
ES2370505T3 (es) 2011-12-19
BRPI0600706A (pt) 2006-11-07
ATE519568T1 (de) 2011-08-15
US20060196029A1 (en) 2006-09-07

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