WO2012016559A2 - Mécanisme de changement de vitesse et boîte de vitesses - Google Patents

Mécanisme de changement de vitesse et boîte de vitesses Download PDF

Info

Publication number
WO2012016559A2
WO2012016559A2 PCT/DE2011/001365 DE2011001365W WO2012016559A2 WO 2012016559 A2 WO2012016559 A2 WO 2012016559A2 DE 2011001365 W DE2011001365 W DE 2011001365W WO 2012016559 A2 WO2012016559 A2 WO 2012016559A2
Authority
WO
WIPO (PCT)
Prior art keywords
shift fork
transmission shaft
gears
shift
gear shift
Prior art date
Application number
PCT/DE2011/001365
Other languages
German (de)
English (en)
Other versions
WO2012016559A3 (fr
Inventor
Sebastian Vetter
Original Assignee
Neumayer Tekfor Holding 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 Neumayer Tekfor Holding Gmbh filed Critical Neumayer Tekfor Holding Gmbh
Publication of WO2012016559A2 publication Critical patent/WO2012016559A2/fr
Publication of WO2012016559A3 publication Critical patent/WO2012016559A3/fr

Links

Classifications

    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/32—Gear shift yokes, e.g. shift forks

Definitions

  • the invention relates to a switching device for a manual transmission of a vehicle, having a first transmission shaft on which gears are applied, with a second transmission shaft, on which gears are applied, wherein the gears of the first transmission shaft and the gears of the second transmission shaft in pairs mesh with each other , and with at least one shift fork. Furthermore, the invention relates to a gearbox with a switching device according to the invention.
  • a transmission provides in the drive train of a vehicle for the translation of the engine speed to the drive speed.
  • two transmission shafts are generally provided which have pairs of gears with different transmission ratios.
  • one gear is fixedly connected to a transmission shaft and the associated other gear is releasably connectable to the other transmission shaft.
  • the releasable connection takes place for example via a claw or a sliding sleeve.
  • a shift fork moves the sleeve or claw.
  • the shift fork is guided on a separate axis. This leads to increased weight, requires further operations and increases costs.
  • Switching devices can be found for example in the published patent applications DE 103 47 491 A1, DE 199 10 515 A1 or DE 10 2006 034 707 A1.
  • DE 25 27 052 A1 one of the shift fork associated shift rod is mounted in a secondary shaft.
  • the object of the invention is to propose a switching device for a manual transmission, which is characterized by a lower weight and a smaller space compared to the prior art.
  • the invention solves the problem in that the shift fork is guided on the first transmission shaft, and that the shift fork along the first
  • Transmission shaft is designed to be displaceable.
  • the switching device finds use in a vehicle having only two gears, i. has two pairs of gears.
  • the engine that drives a transmission shaft is an electric motor.
  • the shift fork is applied to the first gear shaft and fixed there axially displaceable to off gears and insert. In this case, either the first or the second transmission shaft is driven by the engine.
  • Plain bearing or a rolling bearing on the first gear shaft is applied.
  • Gears, and a (gear) shaft carries the shift fork. It is thus a switching device only with a drive and a
  • the shift fork is arranged on the first transmission shaft between two gears of the first transmission shaft.
  • An embodiment of the invention provides that the shift fork has an engagement for a shift sleeve or a shift claw.
  • the shift fork thus has, for example, a recess into which the shift sleeve or claw extend in such a way that the shift fork can move the sleeve or claw.
  • An embodiment of the invention includes that at least one actuator is provided for actuating the shift fork, and that the shift fork has an engagement surface for the actuator.
  • the actor is
  • the invention solves the problem with a manual transmission with a switching device according to one of the aforementioned embodiments.
  • the invention will be explained in more detail with reference to FIGS. Showing:
  • FIG. 1 is a perspective view of a shift fork according to the invention
  • Fig. 2 a spatial representation of an inventive
  • FIG. 3 shows a section through the switching device of FIG. 2.
  • the exemplary shift fork 3 of FIG. 1 is configured as a flat component and has the shape of a partially closed Vs or a
  • the portion opposite to the sliding bearing 30 is designed such that an engagement 31 for the actuated
  • Shift sleeve or the shift claw results.
  • an at least semicircular recess in the shift fork 3 is provided for this purpose, which engages in a corresponding groove of the sleeve or the claw.
  • For the axial displacement is designed as a nose
  • Assessed surface 32 provided on soft for example, an actuator in the form of a linear motor exerts a force.
  • the shift fork 3 is mounted on the first transmission shaft 1.
  • This is, for example, the transmission shaft, which from - not here
  • Shift fork 3 is located with the sliding bearing between two gears 10, which are fixedly connected to the first transmission shaft 1.
  • gears 10 On the second Gear shaft 2 are two gears 20, which are designed as idler gears and each a fixed gear 10 of the first gear shaft 1 mesh.
  • shift sleeve 4 Between the two gears 20 of the second gear shaft 2 is a shift sleeve 4, which the torque and
  • Fig. 3 is a section through the transmission of Fig. 2 is shown. You can see the leadership of the shift fork 3 between the two gears 10 via the slide bearing on the first gear shaft.
  • the shift fork 3 extends from the first transmission shaft 1 to the second transmission shaft 2 and is in engagement with the shift sleeve 4 on the second transmission shaft 2, so that an axial
  • Moving the shift sleeve 4 on the second transmission shaft 2 causes and thus connecting one of the gears 20 with the second transmission shaft 2.
  • it is instead of the shift sleeve 4 is a shift claw.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

L'invention concerne un mécanisme de changement de vitesse pour la boîte de vitesses d'un véhicule, qui comprend un premier et un second arbre de transmission ainsi qu'une fourchette de sélection. L'invention se caractérise en ce que la fourchette de sélection est guidée sur le premier arbre de transmission et conçue de manière à se déplacer le long du premier arbre de transmission. L'invention concerne également une boîte de vitesses.
PCT/DE2011/001365 2010-07-14 2011-06-22 Mécanisme de changement de vitesse et boîte de vitesses WO2012016559A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010026714.7 2010-07-14
DE102010026714A DE102010026714A1 (de) 2010-07-14 2010-07-14 Führung der Schaltgabel auf einer Getriebe-Welle im E-Getriebe

Publications (2)

Publication Number Publication Date
WO2012016559A2 true WO2012016559A2 (fr) 2012-02-09
WO2012016559A3 WO2012016559A3 (fr) 2012-04-05

Family

ID=45023447

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2011/001365 WO2012016559A2 (fr) 2010-07-14 2011-06-22 Mécanisme de changement de vitesse et boîte de vitesses

Country Status (2)

Country Link
DE (1) DE102010026714A1 (fr)
WO (1) WO2012016559A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102853070A (zh) * 2012-08-28 2013-01-02 丹阳市富豪机械制造有限公司 变速箱拨叉

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013208934B4 (de) * 2013-05-15 2020-06-04 Bayerische Motoren Werke Aktiengesellschaft Handschaltgetriebe mit einer Schaltgabel

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2527052A1 (de) 1975-06-18 1976-12-23 Kloeckner Humboldt Deutz Ag Zahnraederwechselgetriebe, insbesondere fuer land- und/oder bauwirtschaftlich nutzbare kraftfahrzeuge
DE19910515A1 (de) 1999-03-10 2000-09-14 Porsche Ag Getriebeschalteinrichtung für ein mehrgängiges Wechselgetriebe
DE10347491A1 (de) 2003-10-13 2005-05-19 Zf Friedrichshafen Ag Schalteinrichtung
DE102006034707A1 (de) 2006-07-27 2008-01-31 Dr.Ing.H.C. F. Porsche Ag Schaltvorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51122269U (fr) * 1975-03-28 1976-10-04
JPS5858139U (ja) * 1981-10-16 1983-04-20 株式会社クボタ 変速装置
JP4738120B2 (ja) * 2005-09-28 2011-08-03 愛知機械工業株式会社 変速機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2527052A1 (de) 1975-06-18 1976-12-23 Kloeckner Humboldt Deutz Ag Zahnraederwechselgetriebe, insbesondere fuer land- und/oder bauwirtschaftlich nutzbare kraftfahrzeuge
DE19910515A1 (de) 1999-03-10 2000-09-14 Porsche Ag Getriebeschalteinrichtung für ein mehrgängiges Wechselgetriebe
DE10347491A1 (de) 2003-10-13 2005-05-19 Zf Friedrichshafen Ag Schalteinrichtung
DE102006034707A1 (de) 2006-07-27 2008-01-31 Dr.Ing.H.C. F. Porsche Ag Schaltvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102853070A (zh) * 2012-08-28 2013-01-02 丹阳市富豪机械制造有限公司 变速箱拨叉

Also Published As

Publication number Publication date
DE102010026714A1 (de) 2012-01-19
WO2012016559A3 (fr) 2012-04-05

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