EP1690636B1 - Outil pour monter ou démonter une poulie sur un arbre avec un moyen de fixation - Google Patents

Outil pour monter ou démonter une poulie sur un arbre avec un moyen de fixation Download PDF

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Publication number
EP1690636B1
EP1690636B1 EP20050100928 EP05100928A EP1690636B1 EP 1690636 B1 EP1690636 B1 EP 1690636B1 EP 20050100928 EP20050100928 EP 20050100928 EP 05100928 A EP05100928 A EP 05100928A EP 1690636 B1 EP1690636 B1 EP 1690636B1
Authority
EP
European Patent Office
Prior art keywords
lever
tool
active
actuating
nut
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP20050100928
Other languages
German (de)
English (en)
Other versions
EP1690636A1 (fr
Inventor
Ulrich Betram
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Priority to DE200550005744 priority Critical patent/DE502005005744D1/de
Priority to EP20050100928 priority patent/EP1690636B1/fr
Publication of EP1690636A1 publication Critical patent/EP1690636A1/fr
Application granted granted Critical
Publication of EP1690636B1 publication Critical patent/EP1690636B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B17/00—Hand-driven gear-operated wrenches or screwdrivers
    • B25B17/02—Hand-driven gear-operated wrenches or screwdrivers providing for torque amplification
    • 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
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • 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
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/488—Spanners; Wrenches for special purposes for connections where two parts must be turned in opposite directions by one tool
    • 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
    • B25B27/0035—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for motor-vehicles

Definitions

  • the invention relates to a tool for a rotatably mounted shaft by means of a screw or nut to be connected or from this component to be solved.
  • Such tools are known and can be used for example in automotive engineering.
  • a possible use case for the tool is given when components such as pulleys with a rotatably mounted shaft z. B. a crankshaft to be connected.
  • a crankshaft to be connected.
  • the pulley When attaching or detaching the components to or from the shaft, the pulley would lock or rotate according to the applied force. It is therefore necessary to hold the pulley and prevent it from twisting.
  • the DE 3501235 discloses a torque amplifier for ratchets with at least one eccentric and at least one ratchet, which are mounted within a frame to each other so that upon rotation of the eccentric this presses against the ratchet lever of the ratchet and thus by the greater distance or the longer path relative to the ratchet axis causes an amplification of the torque on the pivot point or the axis of the ratchet.
  • the DE 3504315 relates to a device for releasing wheel nuts and wheel bolts in motor vehicles using an insertable in a socket socket wrench for placement on the wheel nut or wheel bolt to be solved.
  • the socket is associated with a first lever arm to which a drive attacks.
  • the drive has a further, pivotable about a wheel-fixed pivot lever arm.
  • the acting on the first lever arm part of the further lever arm is designed as a pressure arm which rests with an arcuate pressure surface on the first lever arm and slides during the pivoting movement along the first lever arm.
  • the socket and a distance to this arranged as a wheel-fixed pivot point for the pressure arm further socket are rotatably mounted on two mutually parallel tabs. Between the tabs engage the first lever arm and the pressure arm.
  • the tabs each have a longitudinal section for the displaceable mounting of the other socket.
  • the US 6,334,375 B1 discloses a tool that prevents rotation of a crankshaft pulley to facilitate attachment and disengagement of the pulley screw.
  • the tool has at least one flat, rounded body with a concave inner edge.
  • the inner edge has a plurality of recesses spaced from each other and arranged symmetrically to receive a plurality of pulley bolts.
  • the body has a polygonal hole for receiving a neck of a backstop, the tool being wrapped around the screw and held stationary by the anvil when the screw is loosened or fastened. At least a portion of the rounded body is magnetic to hold the tool to the pulley.
  • EP 0 860 244 A2 is a pulley counter-holder for mounting or dismounting of pulleys with a umgege around the circumference of the pulley, festgestalterten only at a first end to an elongated Gegenhaltergephaseuse, forming a loop and simultaneously guided displaceably with the second end in the Schmidtgephase, on the Pulley tightening tether, by which the pulley is held against rotation when tightening or loosening fastening screws revealed.
  • anvil housing a releasable clamping device for clamping the first end of the retaining strap is provided.
  • a further disadvantage is that the tool for releasing or securing the screw or nut is designed such that by a force acting on the operating end of a harmful moment z.
  • Torsions- or torque is exerted on the screw or nut or on the components to be connected.
  • the invention is therefore based on the object with simple means to improve a tool of the type mentioned so that the rotatably mounted with the component to be connected component in the tightening or loosening of the screw or nut does not rotate, at least the harmful Moments are at least largely eliminated.
  • the invention is based on the finding that little harmful moments act on a bolt or nut to be loosened or fastened or on components to be connected, when the resultant force in the vicinity of the axis of rotation passes through the action end.
  • the actuating lever is connected via a coupling rod with the active lever, wherein the coupling rod is articulated by means of hinges on the one hand to the actuating lever and the other to the active lever.
  • the active lever is associated with a ratchet mechanism.
  • the active lever or the ratchet mechanism is associated with a torque measuring device or tripping.
  • the components to be joined by the rotatable mounting of the shaft in the tightening or loosening of the screw or nut not rotate, it is favorable in the context of the invention, when the tool, or the operating lever is assigned a counter-holder.
  • the counter-holder has a connecting end and a holding element opposite the connecting end, wherein the holding element has fixing elements.
  • the fixing elements are designed, for example, as bolts and adapted to corresponding recesses or bores, for example in the crankshaft pulley.
  • the connecting end of the counter-holder is connected via a rotary joint to the actuating lever.
  • the counter-holder is articulated on a side opposite the operating end Anlagenende of the actuating lever on the hinge.
  • a tool in which by simple means a harmful to the screw or nut or on the components to be connected torque is eliminated.
  • the tool according to the invention can be actuated in one-hand operation and performs two functions.
  • the tool causes a loosening or fastening of the components to be connected.
  • a co-rotation or rotation of the components to be connected is prevented by means of the counter-holder.
  • FIG. 1 shows a tool 1 with an actuating end 2 and a working end 3 with a rotation axis X.
  • the rotation axis X is arranged perpendicular to the plane of the drawing.
  • the operating end 2 is associated with an actuating lever 4, wherein the active end 3 is associated with a knuckle 6.
  • the actuating lever 4 is connected in a use position 7 in such a way with the active lever 6, that a force line 8 resulting from acting on the actuating end 2 force F by the action end 3 and through the axis of rotation X leads.
  • the actuating lever 4 is connected via a coupling rod 9 with the active lever 6.
  • the coupling rod 9 is articulated in each case by means of hinges 11 on the one hand to the actuating lever 4 and the other to the active lever 6.
  • the coupling rod 9 is in the illustrated embodiment, spaced from each other to a the operating end 2 opposite end of the train 12 and hinged to a working end 3 opposite the connecting end 13, so that the actuating lever 4 is configured quasi-rocker.
  • the active lever 6 is associated with an unillustrated ratchet mechanism, wherein the active lever 6 and the ratchet mechanism but also in addition a torque measuring device or tripping can be assigned.
  • the operating lever 4 is assigned a counter-holder 14.
  • the counter-holder 14 has an active rod 15 with a connecting end 16 and a connecting element 16 opposite the holding element 17.
  • the counter-holder 14 is designed integrally with its active rod 15 and the holding element 17.
  • the holding element 17 is configured semicircular in the illustrated embodiment and has fixing elements 18.
  • the fixing elements 18 are designed, for example, as a bolt, which in corresponding recesses or
  • the component to be fastened 19 is, for example, a crankshaft pulley, which is to be connected by means of a screw or nut 21 with a crankshaft.
  • the component to be fastened 19 can also be any other component to be connected to a shaft.
  • the connecting end 16 of the counter-holder 14 is connected to the Switzerlandende 12 of the actuating lever 4 via a rotary joint 22.
  • the tool 1 is used to attach the crankshaft pulley 19 to the crankshaft.
  • the action end 3 is placed over the tightening screw 21 and nut.
  • the operative end 3 can be configured, for example, as a nut, ring or mouth end.
  • the force F acting on the actuating lever 4 causes the connecting end 13 of the action lever 6 to move in the direction of the arrow 23, the arrow 23 being oriented in the direction of a lower blade edge and thus oriented the same way to the acting force F.
  • the connecting end 13 moves radially to the axis of rotation X in a circular path.
  • the actuating end 2 is moved in the same direction in the direction of arrow 23 and pressed in the illustrated example of attachment.
  • a tool 1 which is for one hand operable, at the same time harmful moments are eliminated on the components to be connected or on the screw 21 or nut.
  • the tool according to the invention is not only to be used for the described use case for connecting a crankshaft pulley with a crankshaft, but can be used in all possible applications in which a component must be connected to a rotating component.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pulleys (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Claims (3)

  1. Outil pour un composant (19) devant être connecté à un arbre monté à rotation ou détaché de celui-ci, au moyen d'une vis ou d'un écrou, l'outil (1) présentant :
    un levier de commande (4) avec une extrémité de commande (2) et une extrémité de traction (12) opposée à celle-ci,
    un levier d'actionnement (6) avec une extrémité d'actionnement (3) et une extrémité de connexion (13) opposée à l'extrémité d'actionnement (3) ; ainsi
    qu'une tige d'accouplement (9),
    et en outre une contre-butée (14), qui présente une tige d'actionnement (15) avec une extrémité de connexion (16) et un élément de retenue (17) opposé à l'extrémité de connexion (16), avec des éléments de fixation,
    l'extrémité de traction (12) du levier de commande (4) étant connectée par le biais d'une articulation à pivot (22) à l'extrémité de connexion (16) de la contre-butée (14) et
    la tige d'accouplement (9) étant articulée à chaque fois avec des articulations à pivot (11) d'une part au levier de commande (4) et d'autre part au levier d'actionnement (6),
    les articulations à pivot (11) étant à chaque fois disposées à distance de l'extrémité de traction (12) du levier de commande (4) et de l'extrémité de connexion (13) du levier d'actionnement (6), et
    dans une position d'utilisation de l'outil (1), dans laquelle l'extrémité d'actionnement (3) du levier d'actionnement (6) est placée sur la vis ou l'écrou qui peut tourner autour d'un axe de rotation (X) et les éléments de fixation (18) de l'élément de retenue (17) viennent en prise dans des évidements du composant (19), une ligne de force résultante (8) d'une force (F) agissant sur l'extrémité de commande (2) passant par l'axe de rotation (X).
  2. Outil selon la revendication 1,
    caractérisé en ce que
    le levier d'actionnement (6) est associé à un mécanisme à cliquet.
  3. Outil selon la revendication 1 ou 2,
    caractérisé en ce que
    le levier d'actionnement (6) est associé à un dispositif de mesure de couple ou à un déclenchement de couple.
EP20050100928 2005-02-10 2005-02-10 Outil pour monter ou démonter une poulie sur un arbre avec un moyen de fixation Expired - Fee Related EP1690636B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE200550005744 DE502005005744D1 (de) 2005-02-10 2005-02-10 Werkzeug zur Montage oder Demontage einer Riemenscheibe auf einer Welle mittels eines Befestigungselements
EP20050100928 EP1690636B1 (fr) 2005-02-10 2005-02-10 Outil pour monter ou démonter une poulie sur un arbre avec un moyen de fixation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20050100928 EP1690636B1 (fr) 2005-02-10 2005-02-10 Outil pour monter ou démonter une poulie sur un arbre avec un moyen de fixation

Publications (2)

Publication Number Publication Date
EP1690636A1 EP1690636A1 (fr) 2006-08-16
EP1690636B1 true EP1690636B1 (fr) 2008-10-22

Family

ID=34938683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050100928 Expired - Fee Related EP1690636B1 (fr) 2005-02-10 2005-02-10 Outil pour monter ou démonter une poulie sur un arbre avec un moyen de fixation

Country Status (2)

Country Link
EP (1) EP1690636B1 (fr)
DE (1) DE502005005744D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011079523A1 (de) 2010-08-12 2012-02-16 Schaeffler Technologies Gmbh & Co. Kg Werkzeug und Verfahren zur Rückstellung einer Verspanneinrichtung einer Steckverzahnung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3111441C2 (de) * 1981-03-24 1984-11-29 Karl Dipl.-Ing.(FH) 4040 Neuss Weinhold Vorrichtung zum Lösen von Radmuttern und Radschrauben bei Kraftfahrzeugen
DE3501235A1 (de) 1985-01-16 1985-06-13 Hans-Joachim 5253 Lindlar Müller Drehmomentverstaerker fuer ratschen
DE3504315C1 (de) 1985-02-08 1986-10-23 Karl Dipl.-Ing.(FH) 4040 Neuss Weinhold Vorrichtung zum Lösen von Radmuttern und Radschrauben bei Kraftfahrzeugen
DE3719651C1 (en) * 1987-06-12 1988-05-19 Langenfeld Bernd Artur Wheel nut wrench for motor vehicles
SE505318C2 (sv) * 1993-04-07 1997-08-04 Iva & Tor Ab Mutterdraganordning, speciellt för loss- eller fastdragning av hjulmuttrar eller liknande
DE29703268U1 (de) 1997-02-25 1997-05-28 Eduard Wille Gmbh & Co, 42349 Wuppertal Riemenscheiben-Gegenhalter zur Montage oder Demontage von Riemenscheiben
US6334375B1 (en) 2001-01-16 2002-01-01 Horace Belcher Tool for engine crank shaft

Also Published As

Publication number Publication date
EP1690636A1 (fr) 2006-08-16
DE502005005744D1 (de) 2008-12-04

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