EP2340361B1 - Anordnung zur montage und befestigung eines planetengetriebes an einer nockenwelle und verfahren zur montage des planetengetriebes - Google Patents

Anordnung zur montage und befestigung eines planetengetriebes an einer nockenwelle und verfahren zur montage des planetengetriebes Download PDF

Info

Publication number
EP2340361B1
EP2340361B1 EP09783587A EP09783587A EP2340361B1 EP 2340361 B1 EP2340361 B1 EP 2340361B1 EP 09783587 A EP09783587 A EP 09783587A EP 09783587 A EP09783587 A EP 09783587A EP 2340361 B1 EP2340361 B1 EP 2340361B1
Authority
EP
European Patent Office
Prior art keywords
camshaft
planetary
planetary gear
mounting
gear
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
EP09783587A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2340361A1 (de
Inventor
Ewald Schmitz
Frank Richter
Jochen Walliser
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP2340361A1 publication Critical patent/EP2340361A1/de
Application granted granted Critical
Publication of EP2340361B1 publication Critical patent/EP2340361B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/352—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using bevel or epicyclic gear
    • 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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • 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
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49462—Gear making
    • Y10T29/49465—Gear mounting

Definitions

  • the invention relates to an arrangement for mounting and mounting a planetary gear according to the preamble of claim 1 and a method for assembling a planetary gear according to the preamble of claim. 7
  • Planetary gears are used for the drive and the adjustment of camshafts and are attached for this purpose on the front side of the camshaft of an internal combustion engine.
  • a camshaft adjusting device which comprises a planetary gear, through which a camshaft is drivable and adjustable with respect to its rotational angle.
  • the planetary gear has a planet carrier with planetary gears which mesh with a sun and a ring gear.
  • the planetary gear is driven by the planet carrier and drives via the ring gear, which is rotatably connected to the camshaft from. The adjustment of the camshaft via the sun gear.
  • the sun gear and the sun gear shaft can be designed and designed to be space-optimal. Since a central attachment - according to the prior art - is eliminated, can be dispensed with a hollow shaft for the sun gear.
  • the ring gear and thus the entire planetary gear are fixed to the front side of the camshaft.
  • the ring gear is centered over a centering seat relative to the camshaft. This results in a coaxial arrangement of planetary gear and camshaft.
  • the centering seat on the ring gear as a center hole, which receives the front end shaft end of the camshaft, are formed.
  • the planet pins are hollow, and the fastening elements are arranged in alignment with the planet pins.
  • the fasteners are accessible through the cavities in the planetary bolts for mounting and mounting, preferably by a socket wrench for mounting the cylinder screws.
  • the object of the invention is also achieved by the features of claim 7.
  • the planetary gear is initially assembled and mounted as a unit end face on the camshaft, at the same time a centering takes place.
  • the fastening elements in particular cylinder screws are aligned in the circumferential direction in alignment with the hollow planet pins.
  • a suitable mounting tool which is introduced by the planet pins from the outside, the fastening elements can be mounted so that the ring gear and thus the entire planetary gear are fixedly connected to the camshaft.
  • the single FIGURE shows a section of a camshaft adjusting device 1. From a camshaft 2, only the end-side shaft end 2a is shown, to which a planetary gear 3 is fixed by means of fastening screws designed as cylinder screws 4.
  • the planetary gear 3 comprises a planet carrier 5 with planet pins 6, on which planet gears 7 (preferably three on the circumference) are mounted.
  • the planetary gears 7 are in meshing engagement with a sun gear 8, which is integrally formed with a sun shaft 9, and a ring gear 10.
  • the latter has a spigot with a center hole 10a, in which the shaft end 2a of the camshaft 2 is received and centered.
  • the ring gear 10 is clamped by means of the cylinder screws 4 end face with the shaft end 2a and thus arranged rotationally fixed.
  • the planetary pin 6 - and the others not illustrated, arranged on the circumference of the planet pins - is hollow, ie it has an axially continuous cylindrical cavity 6a.
  • the cylinder screw 4 - and the other, not shown cylinder screws - is arranged approximately in alignment with the cavity 6a, so that the screw head 4a of the cylinder screw 4 is accessible for an inserted through the cavity 6a mounting tool 11.
  • the number and arrangement of the cylinder screws 4 thus corresponds to the number and position of the hollow plate pins 6a, so that they are accessible by means of the assembly tool 11.
  • the function of the camshaft adjusting device 1 is u. a. known from the aforementioned prior art. With regard to the embodiment shown in the drawing, it should merely be mentioned that the drive takes place via the planet carrier 5, which is designed as a chain wheel for this purpose and has a corresponding toothing 5a.
  • the adjustment of the camshaft 2 is effected by a not shown adjusting device via the sun shaft 9 and the sun gear. 8
  • the assembly of the planetary gear 3 on the camshaft 2 is carried out according to a first method step in that the planetary gear 3 is initially assembled as a unit.
  • the fully assembled planetary gear 3 is placed end face on the shaft end 2a of the camshaft 2, wherein a centering via the center hole 10a relative to the camshaft 2 takes place.
  • the planet pins 6 are aligned in the circumferential direction so that they are aligned with the cylinder screws 4 - then the assembly tool 11 can be inserted through the cavity 6a of the planet pins 6 from the outside and attached to the screw head 4a.
  • the assembly tool 11 is formed according to the cylinder screw 4 as a socket wrench or Allen key.
  • the planetary gear 3 is fixedly connected to the camshaft 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
EP09783587A 2008-10-30 2009-09-30 Anordnung zur montage und befestigung eines planetengetriebes an einer nockenwelle und verfahren zur montage des planetengetriebes Not-in-force EP2340361B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008043337A DE102008043337A1 (de) 2008-10-30 2008-10-30 Anordnung zur Montage und Befestigung eines Planetengetriebes an einer Nockenwelle und Verfahren zur Montage des Planetengetriebes
PCT/EP2009/062668 WO2010049232A1 (de) 2008-10-30 2009-09-30 Anordnung zur montage und befestigung eines planetengetriebes an einer nockenwelle und verfahren zur montage des planetengetriebes

Publications (2)

Publication Number Publication Date
EP2340361A1 EP2340361A1 (de) 2011-07-06
EP2340361B1 true EP2340361B1 (de) 2012-08-15

Family

ID=41402596

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09783587A Not-in-force EP2340361B1 (de) 2008-10-30 2009-09-30 Anordnung zur montage und befestigung eines planetengetriebes an einer nockenwelle und verfahren zur montage des planetengetriebes

Country Status (6)

Country Link
US (1) US8333679B2 (cg-RX-API-DMAC7.html)
EP (1) EP2340361B1 (cg-RX-API-DMAC7.html)
JP (1) JP5478630B2 (cg-RX-API-DMAC7.html)
CN (1) CN102197198B (cg-RX-API-DMAC7.html)
DE (1) DE102008043337A1 (cg-RX-API-DMAC7.html)
WO (1) WO2010049232A1 (cg-RX-API-DMAC7.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5867827B2 (ja) * 2012-04-03 2016-02-24 株式会社リコー 遊星歯車機構の組付け方法
US9194480B2 (en) * 2012-12-18 2015-11-24 Cnh Industrial America Llc Planetary gear alignment and indexing method and associated tool
DE102014010473A1 (de) 2014-07-15 2016-01-21 Daimler Ag Nockenwellenverstellvorrichtung
DE102022212522A1 (de) * 2022-11-23 2024-05-23 Zf Friedrichshafen Ag Zahnrad oder Welle mit Schwingungstilger

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3734073A (en) * 1971-06-01 1973-05-22 R Walter Adjustable camshaft sprocket wheel
JPS5452218A (en) * 1977-09-30 1979-04-24 Toyota Central Res & Dev Lab Inc Internal-combustion engine
JPH0452403Y2 (cg-RX-API-DMAC7.html) * 1985-10-28 1992-12-09
JPH04241709A (ja) * 1991-01-11 1992-08-28 Toyota Motor Corp 軸間位相変換装置
EP0544881B1 (en) 1991-06-24 1997-01-29 Caterpillar Inc. Backlash adjustment mechanism
JP3330635B2 (ja) * 1992-06-11 2002-09-30 マツダ株式会社 エンジンのバルブタイミング可変装置
JP3048473B2 (ja) * 1992-09-16 2000-06-05 マツダ株式会社 エンジンのバルブタイミング制御装置及びその組付方法
US5327859A (en) * 1993-06-09 1994-07-12 General Motors Corporation Engine timing drive with fixed and variable phasing
AT409030B (de) * 2000-03-09 2002-05-27 Tcg Unitech Ag Vorrichtung zur verstellung einer nockenwelle
DE10054796A1 (de) 2000-11-04 2002-06-13 Ina Schaeffler Kg Vorrichtung zur Drehwinkelverstellung einer Welle gegenüber ihrem Antrieb
DE10160685C2 (de) * 2001-12-11 2003-10-02 Sew Eurodrive Gmbh & Co Planetengetriebe, Getriebemotor und Baureihe von Getriebemotoren
DE10355560A1 (de) * 2003-11-28 2005-08-11 Daimlerchrysler Ag Verstellvorrichtung für eine Nockenwelle einer Brennkraftmaschine
DE102004039953A1 (de) 2004-08-18 2006-03-09 Daimlerchrysler Ag Nockenwellenverstelleinrichtung
DE102005022201B3 (de) * 2005-05-13 2006-06-08 Daimlerchrysler Ag Nockenwellenverstelleinrichtung
DE102005024485A1 (de) * 2005-05-27 2006-11-30 Daimlerchrysler Ag Nockenwelleneinheit
JP2008095549A (ja) * 2006-10-06 2008-04-24 Denso Corp バルブタイミング調整装置
JP2008213098A (ja) * 2007-03-06 2008-09-18 Mitsubishi Heavy Ind Ltd 割り出しテーブル
DE102007017897B4 (de) * 2007-04-13 2018-12-20 Mahle International Gmbh Verstellbare Nockenwelle

Also Published As

Publication number Publication date
US20110201474A1 (en) 2011-08-18
DE102008043337A1 (de) 2010-05-06
CN102197198B (zh) 2013-11-13
CN102197198A (zh) 2011-09-21
JP2012506969A (ja) 2012-03-22
EP2340361A1 (de) 2011-07-06
JP5478630B2 (ja) 2014-04-23
WO2010049232A1 (de) 2010-05-06
US8333679B2 (en) 2012-12-18

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