EP0662368A1 - Outil d'extraction - Google Patents

Outil d'extraction Download PDF

Info

Publication number
EP0662368A1
EP0662368A1 EP95100031A EP95100031A EP0662368A1 EP 0662368 A1 EP0662368 A1 EP 0662368A1 EP 95100031 A EP95100031 A EP 95100031A EP 95100031 A EP95100031 A EP 95100031A EP 0662368 A1 EP0662368 A1 EP 0662368A1
Authority
EP
European Patent Office
Prior art keywords
bell
claws
gripping
pull
sleeve
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.)
Granted
Application number
EP95100031A
Other languages
German (de)
English (en)
Other versions
EP0662368B1 (fr
Inventor
Hans Joachim Peffeköver
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.)
Johann Peffekover & Co KG Werkzeugfabrik GmbH
Original Assignee
Johann Peffekover & Co KG Werkzeugfabrik 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 Johann Peffekover & Co KG Werkzeugfabrik GmbH filed Critical Johann Peffekover & Co KG Werkzeugfabrik GmbH
Publication of EP0662368A1 publication Critical patent/EP0662368A1/fr
Application granted granted Critical
Publication of EP0662368B1 publication Critical patent/EP0662368B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

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

Definitions

  • Pullers of this type are known from DE-PS 819 830, DE-PS 1 269 069 and DE-OS 41 14 994.
  • the gripping sleeve is screwed onto the pull-off bell, so that the pull-off forces exerted by the push-off device are removed from the pull-off bell are transferred directly to the gripping sleeve and its gripping fingers.
  • the conical surfaces of the gripping fingers and the clamping sleeve converge in the pulling direction, so that the clamping sleeve has to be moved against the pulling direction, ie towards the ends of the gripping fingers, for clamping.
  • the adapter sleeve only exerts compressive forces on the free ends of the gripper fingers. When pulling off, the gripping fingers are not only loaded by the pulling forces, but also by the compressive forces of the clamping sleeve, which press the gripping fingers and their claws into the gripping position.
  • the invention has for its object to further develop the puller of the type mentioned in such a way that the claws of the gripper fingers moved in the gripping position cannot slip even with very large pulling forces.
  • the gripping fingers are clamped by moving the clamping sleeve in the pulling direction.
  • the conical surface of the clamping sleeve presses against the corresponding conical surface of the gripping fingers, so that they grip the bearing to be removed with their claws.
  • the claws of these gripping fingers penetrate into the small gap that is between the chamfered edge of the bearing and the shaft shoulder.
  • the clamping forces of the gripper fingers are initially dependent on the contact pressure of the clamping sleeve.
  • the gripping bell By actuating the push-off device, for example a threaded spindle mounted adjustably in the ceiling of the pull-off bell or a hydraulic piston-cylinder unit, the gripping bell is moved together with the clamping sleeve and the gripping sleeve in the pull-off direction.
  • the bearing to be pulled off offers increased resistance to pulling off, then the inward radial clamping forces that the clamping sleeve exerts on the free ends of the gripping fingers also automatically increase.
  • the radial clamping forces grow more or less strongly than the axial pulling forces.
  • the pull-off bell 2 has a cover 3 which is screwed into a cylinder part 5 and in the middle of which the push-off device 1 is arranged, which can be formed by a threaded spindle or a hydraulic piston-cylinder unit.
  • the lower end of the cylinder part 5 is provided with an external thread onto which a bearing part 6 is screwed.
  • a gripping sleeve 9 is rotatably mounted about the axis 21 of the pull-off bell 2 or the pull-off device.
  • the gripping sleeve 9 has resilient gripping fingers 10, which are formed in that a plurality of slots 25 are machined in the gripping sleeve 9, which the gripping fingers 10 separate.
  • the gripping fingers 10 form on their outside a conical surface 12 which diverges in the pulling direction.
  • the conical surface 12 is arranged in the vicinity of the free ends of the gripping fingers 10.
  • a complementary conical surface 15 is located on the lower edge of the clamping sleeve 13.
  • claws 11 Because the inner edge formed by the claws 11 is at an acute angle, these claws 11 can engage in the smallest gaps, which are formed by chamfers or roundings on the edges of the rings to be removed. With increased resistance of the part to be removed, the clamping forces increase automatically, so that slipping of the device from the part to be removed is largely excluded.
  • the gripping sleeve 9 is the parts to be removed, e.g. Steering head bearings, in particular angular contact ball bearings and shoulder bearings on motorcycles and wheel bearings of front-wheel drive vehicles or the like, to adapt.
  • the component to be removed is first freed of dirt and any contamination is removed from the stop surface of the shaft located behind the component.
  • the gripping sleeve 9 is slipped together with the bearing part 6 and the clamping sleeve 13 over the component to be removed, and with slight axial pressure on the bearing part 6, the clamping sleeve 13 is tightened by hand until the device is clamped without play.
  • the cylinder part 5 with cover 3 and push-off device 1 is screwed onto the bearing part 6 and the push-off device 1 is placed against the end face of the shaft.
  • the push-off device 1 formed by a screw spindle sits with a ball 24 on the end face of the shaft and presses the pull-off bell 2 with clamping sleeve 13 and gripping sleeve 9 in the pull-off direction. Because this clamping sleeve 13 transmits the push-off forces via the conical surfaces 12, 15 to the free ends of the gripping fingers 10, the free ends of the gripping fingers 10 with the claws 11 inward against the part to be subtracted.
  • the angle ⁇ between the axis 21 of the device and the conical surfaces 12, 15 is small (for example, 20 °) or large (for example 50 °), the clamping forces of the gripping fingers 10 increase very strongly or less strongly.
  • the parts to be screwed in or screwed on by hand namely the ceiling 3, the bearing part 6 and the clamping sleeve 13, have a corrugation 22 on their outer surface.
  • the screw spindle 1 has a hexagon screw head 23, to which a conventional open-ended or ring spanner is attached can be applied.
  • the free ends of the gripper fingers 10 with the claws 11 are designed so that they can sit on the stop surface of the shaft and the tips of the claws 11 rest against this stop surface.
  • the underside of the claws 11 thus runs at an angle of 90 ° to the axis 21 of the puller, while the top of the claws 11 runs at an angle of 45 ° to the underside of the claws 11.
  • this angle can also be smaller, in particular in the vicinity of the tip, so that a small axial movement of the ring to be removed takes place as a result of the penetration of the claws 11 when the gripping sleeve 9 is attached and clamped and clamped.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Eye Examination Apparatus (AREA)
EP95100031A 1994-01-05 1995-01-02 Outil d'extraction Expired - Lifetime EP0662368B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9400044U 1994-01-05
DE9400044U DE9400044U1 (de) 1994-01-05 1994-01-05 Abziehvorrichtung

Publications (2)

Publication Number Publication Date
EP0662368A1 true EP0662368A1 (fr) 1995-07-12
EP0662368B1 EP0662368B1 (fr) 1997-12-10

Family

ID=6902803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95100031A Expired - Lifetime EP0662368B1 (fr) 1994-01-05 1995-01-02 Outil d'extraction

Country Status (2)

Country Link
EP (1) EP0662368B1 (fr)
DE (2) DE9400044U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2478757A (en) * 2010-03-16 2011-09-21 Ho Chi Entpr Co Ltd Bearing puller

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009006466U1 (de) 2009-05-06 2009-08-20 Hazet-Werk Hermann Zerver Gmbh & Co. Kg Abziehvorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR959338A (fr) * 1950-03-29
DE832279C (de) * 1948-06-30 1952-02-21 Arie Pellegrom Vorrichtung zum Abziehen eines Ringes oder aehnlichen Koerpers von einem Maschinenteil
DE1269069B (de) * 1962-08-23 1968-05-22 Albert Schrem Werkzeugfabrik Abziehvorrichtung zum Abziehen von Waelzlagern oder Teilen davon von einer Welle
DE4114994A1 (de) * 1991-05-08 1992-11-12 Schrem Werkzeugfab Albert Abziehvorrichtung zum abziehen eines waelzlagers von einer welle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR959338A (fr) * 1950-03-29
DE832279C (de) * 1948-06-30 1952-02-21 Arie Pellegrom Vorrichtung zum Abziehen eines Ringes oder aehnlichen Koerpers von einem Maschinenteil
DE1269069B (de) * 1962-08-23 1968-05-22 Albert Schrem Werkzeugfabrik Abziehvorrichtung zum Abziehen von Waelzlagern oder Teilen davon von einer Welle
DE4114994A1 (de) * 1991-05-08 1992-11-12 Schrem Werkzeugfab Albert Abziehvorrichtung zum abziehen eines waelzlagers von einer welle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2478757A (en) * 2010-03-16 2011-09-21 Ho Chi Entpr Co Ltd Bearing puller

Also Published As

Publication number Publication date
DE9400044U1 (de) 1994-05-26
EP0662368B1 (fr) 1997-12-10
DE59501082D1 (de) 1998-01-22

Similar Documents

Publication Publication Date Title
DE69700671T2 (de) Sicherungsmutter
DE3012836A1 (de) Vorrichtung zum festspannen der schleifscheibe von winkelschleifern
DE2557013A1 (de) Lenkradsaeule fuer teleskopartig verstellbares lenkhandrad
EP0512498B1 (fr) Outil pour ôter un palier d'un axe
DE8314221U1 (de) Spannvorrichtung zur Befestigung von Maschinenteilen
DE2156770C3 (de) Vorrichtung zur lösbaren Befestigung einer Schleifscheibe oder dergleichen auf einer Treibspindel
CH674170A5 (fr)
CH671721A5 (fr)
DE2424668B2 (de) Vorrichtung zum aufspannen von autoraedern unterschiedlicher felgenausfuehrung auf einem wellenende einer auswuchtmaschine
DE2347364B2 (de) Spannfutter
EP0662368B1 (fr) Outil d'extraction
DE2402101B2 (de) Einrichtung zum verbinden des formzylinders einer rotations-druckmaschine mit dessen antriebswelle
DE2750367C2 (de) Werkzeughalter für Bohrer
DE4335259A1 (de) Spannvorrichtung für mindestens eine auf einem Schaft festzulegende Wickelhülse o. dgl.
DE605717C (de) Klemm-, insbesondere Bohrfutter
DE19809638A1 (de) Spannsatz
EP0734815B1 (fr) Outils pour Ôter des paliers
DE9208825U1 (de) Hydraulisch spannbare Vorrichtung zum Verbinden eines zylindrischen Nabenkörpers mit einer Welle
DE1291298B (de) Werkzeug zum Ausziehen von Kegelrollenlager-Aussenringen
DE19518924A1 (de) Abziehvorrichtung für Kegelrollenlager
DE2606648A1 (de) Abziehvorrichtung fuer waelzlager, insbesondere fuer kegelrollenlager
DE1093151B (de) Leicht loesbare Schlauchverbindung
DE3030040A1 (de) Vorrichtung zum aufspannen von auswechselbaren walzen insbesondere kegelwalzen
DE112006000547B4 (de) Hydraulikzylinderkolben
EP0561395A1 (fr) Mandrin

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT

17P Request for examination filed

Effective date: 19950908

17Q First examination report despatched

Effective date: 19960802

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19971210

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19971210

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19971210

REF Corresponds to:

Ref document number: 59501082

Country of ref document: DE

Date of ref document: 19980122

EN Fr: translation not filed
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 19971210

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20130322

Year of fee payment: 19

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59501082

Country of ref document: DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59501082

Country of ref document: DE

Effective date: 20140801

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140801