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WO2009053172A1 - Unité porteuse pour le montage d'une transmission à moyen de traction, et procédé de montage - Google Patents

Unité porteuse pour le montage d'une transmission à moyen de traction, et procédé de montage Download PDF

Info

Publication number
WO2009053172A1
WO2009053172A1 PCT/EP2008/062363 EP2008062363W WO2009053172A1 WO 2009053172 A1 WO2009053172 A1 WO 2009053172A1 EP 2008062363 W EP2008062363 W EP 2008062363W WO 2009053172 A1 WO2009053172 A1 WO 2009053172A1
Authority
WO
WIPO (PCT)
Prior art keywords
carrier unit
rail
guide
unit according
carrier
Prior art date
Application number
PCT/EP2008/062363
Other languages
German (de)
English (en)
Inventor
Petrus Hubertus Kroon
Michael Kastner
Reinhard Koch
Original Assignee
Schaeffler Kg
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 Schaeffler Kg filed Critical Schaeffler Kg
Publication of WO2009053172A1 publication Critical patent/WO2009053172A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/024—Belt drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2303/00—Manufacturing of components used in valve arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2303/00—Manufacturing of components used in valve arrangements
    • F01L2303/01—Tools for producing, mounting or adjusting, e.g. some part of the distribution
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members

Definitions

  • Carrier unit for mounting a traction mechanism drive and assembly method
  • the present invention relates to a carrier unit for mounting a traction mechanism drive, in particular for traction drives of internal combustion engines.
  • the carrier unit is assigned a traction means, a tensioning rail and at least one guide rail and at least one Switzerlandstoffrad.
  • Traction drives in particular chains or toothed belt drives, for example, in internal combustion engines for driving the camshaft, a balancer shaft or to drive units such as generator, KIi- makompressor or water pump determined.
  • the drive takes place via a crankshaft of the internal combustion engine associated drive wheel, starting from which the traction means are connected to all the other the traction drive enclosing output wheels.
  • the traction mechanism drive on a tensioning device or a tensioning rail on.
  • Timing drives of the internal combustion engines have frequently been arranged in the past to be openly accessible on the front side of the internal combustion engine. After assembly of all components of the timing drive this was covered by a lid and sealed at the same time.
  • Today's internal combustion engines instead have an integrated timing drive which can be mounted via a slot-like or shaft-like recess. This eliminates a separate frontal lid, which has an advantageous effect on the component size and the number of surfaces to be sealed.
  • the traction mechanism drive integrated in the engine block requires special measures for the assembly.
  • DE 296 11 059 U1 discloses a device in which the individual parts or components of the control drive are arranged on a mounting plate. After the control drive has been installed, the mounting plate is removed via a special shaft in the engine block. This device requires a complex arrangement of all items of the traction mechanism drive on the device.
  • the object of the present invention is to provide a device or a carrier unit, which simplifies the assembly work and at the same time ensures an exact feeding of all components of the traction mechanism drive.
  • a carrier unit in which all components of the traction mechanism, such as the clamping rail, the guide rails, the traction means and at least one Buchstoffrad are exactly prepositioned.
  • the components are positioned on the carrier unit in a position corresponding to the operating position. This eliminates a readjustment of these components with inserted carrier unit, for example, to introduce the fasteners, in particular screws, for attachment to the Brennkraftma- machine.
  • the carrier unit according to the invention further provides a guide of the traction device, in which sets no free length. This results in a secure stable position of the traction means on the carrier unit also during transport.
  • a preferred embodiment of the invention provides for providing the guide rails and the tensioning rails of the traction mechanism drive with measures which represent a course of the traction mechanism that corresponds to the operating state. Alternatively or additionally, it is advisable to also assign measures to a base body of the carrier unit, which influence the course of the traction device. To this end, for example, locally positioned spacers or guide pins are provided as suitable measures to which the traction means in the preassembled state and during transport of the carrier unit in combination with further components of the traction mechanism drive are securely guided.
  • a preferred latching device includes a latching lug connected to the rail or the leg, which cooperates positively and / or non-positively with an associated latching slot of the rail or the leg.
  • Another embodiment of the invention provides for providing the leg of the support body with a plurality of measures or latching devices, in particular offset from one another, for receiving tensioning rails or guide rails.
  • This concept allows clamping rails and / or guide rails of different design, length or curvature to be arranged on the support body of the carrier unit according to the invention.
  • the carrier unit according to the invention is, for example, for different che traction drives or deviating designed internal combustion engines used.
  • the main body of the carrier unit further comprises an arcuately shaped, a Werganrad partially enclosing receptacle in which the Switzerlandffenrad, in particular a sprocket positively engages and is securely positioned in connection with the traction means.
  • the carrier unit it is advisable to provide the carrier unit with a plurality of receptacles and / or spacers corresponding to the respective traction mechanism, so that all traction mechanism wheels associated with the traction mechanism are received in the carrier unit and positioned over the enclosing traction means.
  • a simple handling of the carrier unit according to the invention allows a handle, which is assigned to the main body an exclusively manual assembly simplifies feeding or insertion of the traction mechanism in connection with the carrier unit or can also be used for semi-automatic assembly in order to align and thus insert the carrier unit or to simplify in the internal combustion engine.
  • Another measure optimizing the assembly relates to a guide between the main body of the carrier unit and, for example, the housing of the internal combustion engine.
  • a guide between the main body of the carrier unit and, for example, the housing of the internal combustion engine.
  • it is provided to arrange on the main body at least one projecting guide lug, which is insertable during assembly in a local longitudinal groove of the engine housing, so as to ensure an exact positioning.
  • the guide is provided with a stop, which ensures a defined end position and thus position of the traction mechanism drive.
  • All components or individual parts of the carrier unit according to the invention are preferably made of plastic, in particular PA 66 / H.
  • the invention further relates to a method for assembling a traction mechanism drive in conjunction with the carrier unit, the following method steps includes, with which the individual components of the traction mechanism are releasably attached in particular to the body and with the assembly in or on the internal combustion engine can be simplified.
  • the attachment of a Switzerlandstoffrades on the main body or its recording is provided as the first step. This is followed by attaching the clamping rail and all guide rails before the traction means is mounted.
  • the further method step for mounting the traction mechanism drive provides for feeding the carrier unit to or into the internal combustion engine. Subsequently, an attachment of all the traction mechanism associated Glasstoffcken, guide rails and the clamping rail, including in particular glands are provided. This is followed by a stripping of the traction device from the carrier unit to the already attached to the internal combustion engine components of the traction mechanism.
  • the last method step relates to the removal of the carrier unit from the internal combustion engine, wherein first a limited linear movement is required to release the locking devices between the rails and the legs, before subsequently by tilting the carrier unit can be removed.
  • Figure 1 shows the structure of a carrier unit according to the invention in connection with the components of a traction mechanism drive
  • Figure 2 shows the main body of the carrier unit as a single part in a view
  • FIG. 3 shows the side view of the basic carrier according to FIG. 2. Detailed description of the drawings
  • FIG. 1 shows a carrier unit 1, which encloses a base carrier 2, from which two spaced-apart legs 3a, 3b extend in pairs on both sides; 4a, 4b connect.
  • the base support 2 is provided at the end with a handle 5.
  • the base support 2 forms a receptacle 6, on which a traction mechanism 7 of the traction mechanism 8 is positively positioned.
  • the circulating in the clockwise traction mechanism 8 corresponds to a timing drive of an internal combustion engine, not shown in Figure 1.
  • the traction wheel forming a drive wheel 7 is associated with a crankshaft, not shown, of the internal combustion engine and connected via a traction means 9 with the output wheels forming traction wheels 10a, 10b.
  • a first guide rail 11 is assigned to a pulling strand 12 and a further guide rail 13 to the pulling strand 14.
  • a tensioning rail 16 is supported on the traction means 9 in the region of an empty strand 15. To achieve a sufficient biasing force, the tensioning rail 16 is acted upon in the operating state of the internal combustion engine by a clamping device not shown in Figure 1.
  • the base support 2 For positioning the traction mechanism wheels 10a, 10b on the carrier unit 1, the base support 2 has spacers 17a, 17b, via which the respective driven wheels 10a, 10b shown by dot-dash lines are positioned on the base support 2 in a position corresponding to the operating position.
  • latching devices 18a, 18b; 19a, 19b; 20a, 20b provided.
  • Each latch 18a, 18b; 19a, 19b; 20a, 20b is formed by locking lugs 21 a, 21 b; 23a, 23b; 25a, 25b of the rails, which engage in corresponding latching slots 22a, 22b; 24a, 24b, 26a, 26b of the legs 3a, 3b; 4a, 4b and the base support 2 interlock positively.
  • the guide rail 11 includes two mounting holes 27a, 27b.
  • the pivotally positioned tensioning rail 16 has a fastening bore 28, whose associated fastening screw simultaneously forms the axis of rotation for the tensioning rail 16.
  • the locking lugs 25a, 25b each include a bore, which serve to receive screwing.
  • these are provided with a central bore 29, 30, 31, which are intended to receive a fastening screw.
  • the figure 2 shows the base support 2 in a single part drawing and shows u. a. the arrangement of two the leg 4a associated latching slots 24a, 24c.
  • the outer, spaced from the detent slot 24a detent slot 24c allows the inclusion of a relation to the guide rail 11 in position or shape changed guide rail, whereby the base support 2 can be used for example for the use of an alternative designed traction drive another internal combustion engine.
  • the side view of the base support 2 according to FIG. 3 shows the arrangement of two guide lugs 32a, 32b, which engage positively in a longitudinal groove 33 assigned to an internal combustion engine 34, in order to ensure optimum delivery of the carrier unit 1.
  • a further stop 35 arranged in the longitudinal groove 33 defines an exact position of the carrier unit 1 in relation to the internal combustion engine 34.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

L'invention concerne une unité porteuse (1) pour le montage d'une transmission à moyen de traction (8), en particulier prévue pour des transmissions de commande de moteurs à combustion interne. Un moyen de traction (9), un rail tendeur (16), au moins un rail de guidage (11, 13) ainsi qu'au moins une roue à moyen de traction (7) sont associés à l'unité porteuse (1). Tous les éléments de la transmission à moyen de traction sont positionnés sur l'unité porteuse (1) de façon que leur emplacement corresponde dans une très large mesure à une position de fonctionnement, sachant qu'on évite en même temps une longueur libre pour le moyen de traction (9).
PCT/EP2008/062363 2007-10-26 2008-09-17 Unité porteuse pour le montage d'une transmission à moyen de traction, et procédé de montage WO2009053172A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102007051624.1 2007-10-26
DE102007051624 2007-10-26
DE102008020743A DE102008020743A1 (de) 2007-10-26 2008-04-25 Trägereinheit zur Montage eines Zugmitteltriebs und Montageverfahren
DE102008020743.8 2008-04-25

Publications (1)

Publication Number Publication Date
WO2009053172A1 true WO2009053172A1 (fr) 2009-04-30

Family

ID=40490390

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/062363 WO2009053172A1 (fr) 2007-10-26 2008-09-17 Unité porteuse pour le montage d'une transmission à moyen de traction, et procédé de montage

Country Status (2)

Country Link
DE (1) DE102008020743A1 (fr)
WO (1) WO2009053172A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011005477A1 (de) 2011-03-14 2012-09-20 Schaeffler Technologies AG & Co. KG Vormontierter Zugmitteltrieb
DE102011078587A1 (de) 2011-07-04 2013-01-10 Schaeffler Technologies AG & Co. KG Vormontierter Zugmitteltrieb
DE102018110676B4 (de) * 2018-05-04 2020-03-05 Schaeffler Technologies AG & Co. KG Nockenwellenversteller-Montagevorrichtung, Montagesatz sowie Montageverfahren

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1191722A (en) * 1916-03-13 1916-07-18 Milton H Cook Belt-jack.
DE4025126A1 (de) * 1990-08-08 1992-02-13 Bayerische Motoren Werke Ag Verfahren zur montage eines hilfsantriebes
DE29703268U1 (de) * 1997-02-25 1997-05-28 Eduard Wille Gmbh & Co, 42349 Wuppertal Riemenscheiben-Gegenhalter zur Montage oder Demontage von Riemenscheiben
US5665019A (en) * 1996-02-05 1997-09-09 Ford Global Technologies, Inc. Chain guide mounting assembly for the reduction of chain induced noise and vibration in a chain driven overhead cam internal combustion engine
DE29611059U1 (de) * 1996-06-24 1997-10-23 Joh. Winklhofer & Söhne GmbH und Co KG, 81369 München Montagevorrichtung für einen Zugmittelbetrieb
EP1531239A2 (fr) * 2003-11-17 2005-05-18 Joh. Winklhofer & Soehne GmbH und Co. KG Dispositif de montage pour entraínement flexible et procédé de montage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1191722A (en) * 1916-03-13 1916-07-18 Milton H Cook Belt-jack.
DE4025126A1 (de) * 1990-08-08 1992-02-13 Bayerische Motoren Werke Ag Verfahren zur montage eines hilfsantriebes
US5665019A (en) * 1996-02-05 1997-09-09 Ford Global Technologies, Inc. Chain guide mounting assembly for the reduction of chain induced noise and vibration in a chain driven overhead cam internal combustion engine
DE29611059U1 (de) * 1996-06-24 1997-10-23 Joh. Winklhofer & Söhne GmbH und Co KG, 81369 München Montagevorrichtung für einen Zugmittelbetrieb
DE29703268U1 (de) * 1997-02-25 1997-05-28 Eduard Wille Gmbh & Co, 42349 Wuppertal Riemenscheiben-Gegenhalter zur Montage oder Demontage von Riemenscheiben
EP1531239A2 (fr) * 2003-11-17 2005-05-18 Joh. Winklhofer & Soehne GmbH und Co. KG Dispositif de montage pour entraínement flexible et procédé de montage

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Publication number Publication date
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