WO2014059981A1 - Dispositif de changement de vitesse d'une boîte de vitesses de véhicule à moteur - Google Patents

Dispositif de changement de vitesse d'une boîte de vitesses de véhicule à moteur Download PDF

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Publication number
WO2014059981A1
WO2014059981A1 PCT/DE2013/200190 DE2013200190W WO2014059981A1 WO 2014059981 A1 WO2014059981 A1 WO 2014059981A1 DE 2013200190 W DE2013200190 W DE 2013200190W WO 2014059981 A1 WO2014059981 A1 WO 2014059981A1
Authority
WO
WIPO (PCT)
Prior art keywords
switching
latching
shift
annular disc
shaft
Prior art date
Application number
PCT/DE2013/200190
Other languages
German (de)
English (en)
Inventor
Jochen LÖFFELMANN
Klaus Krämer
Original Assignee
Schaeffler Technologies AG & Co. 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 Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to CN201380053681.1A priority Critical patent/CN104769337B/zh
Priority to BR112015004709A priority patent/BR112015004709A2/pt
Publication of WO2014059981A1 publication Critical patent/WO2014059981A1/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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/24—Providing feel, e.g. to enable selection
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/24—Providing feel, e.g. to enable selection
    • F16H2061/243—Cams or detent arrays for guiding and providing feel
    • 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
    • F16H2063/3076—Selector shaft assembly, e.g. supporting, assembly or manufacturing of selector or shift shafts; Special details thereof

Definitions

  • the invention relates to a switching device of a raftschwechse! Getrie- bes with a switching shaft, a housing part to which the Heidelbergwelie is rotatably mounted, a Rasiiereinheif for securing switching positions, which has a Rastierkontur on a first Rastbäüteil and a second Rasibauteil with a locking element, wherein the components are movable relative to each other and locked against each other and with a switching sleeve, which is arranged on the Schaitweile.
  • Switching devices of this type are known as sparking transmission gears of gear-changing vehicle transmissions.
  • the Heidelbergwelie forms an intermediate link in the transmission of switching and Wählmonye the driver to be switched to the gear wheels.
  • the selector shift movement would be transmitted via a shift of the shifting shaft in the axial direction and a displacement of the selector shaft about its longitudinal axis.
  • the selected switching position usually Sehaltwellen have a Rastier Scheme on which ei locking element during Sc discourse standing. Moves along selecting movements and the recesses into which engages the Rastelerrienf in the end positions of the shifted gears to stabilize the engaged gear.
  • Rasteiemefrt is often ' one. Ball catch, as DE 38 08 375 01 can be removed.
  • the Kugeirast is provided with a split housing and encloses an inner part, which is designed as a deep-drawn part and surrounded by a Höhlensehraube It also has a guide member which is solid and integrally comprises a spherical shell between the guide member and the housing WäSzoasa are arranged, which are guided in a housing. To secure the Fuhrungstefls in the housing this is provided with a radially inwardly umordelten edge.
  • the Rastierkontur can be introduced on the shift shaft or connected to the switching shaft switching element such as a shift sleeve.
  • DE 199 42 562 AI describes a transmission with a ZenträJschaltwelle to which a pot is placed as a switching sleeve, in the wall of the pot is on the one hand a Rastierkontur formed soft with a ge äusefest stored Kugeiraste cooperates to another is introduced a backdrop, soft to Limited to the .shopping path, which serves Monschaltweife.
  • Such switching sleeves are preferably produced without cutting by deep drawing.
  • the invention is based on the Aufga e to overcome the disadvantages mentioned above. This object is achieved by a Wegvornehtüng with the features of claim 1.
  • the shift sleeve is on the Heidelberge only rotatably or rotationally fixed and axially fixed.
  • the shift sleeve may have weathered shift elements such as shift fingers, orings, or stops, which interact with juxtaposed sheep's components. It is connected via one of the Rastbauteite to the Heidelbergwelie and has a hollow component at a radial distance to Sehalfwelle.
  • Such a switching device is very compact.
  • the washer thus performs a dual func 'ioh of connecting a switching catfish and the detent unit with a locking counter-member. The required number of required components is reduced at the same time with minimum mass.
  • the latching component and the shift sleeve may initially be made separately and then connected to each other, for example by welding. Both components can be made of sheet metal, wherein the sheet thickness of the locking member auc on the length of the shift sleeve and its arrangement is tuned so that the switching forces are securely transmitted, in one embodiment of this design, the Rastbauteii is formed as an annular disc, the form-fitting Is associated with the Sehaithüise. For this purpose, it may have drivers or asenvorsprünge, which engage in adapted to the driver recesses in the shift sleeve. Additionally or alternatively, other types of fuses may be provided: for example, the carriers may additionally or alternatively be welded to the shift sleeve.
  • the detent element is biased against the detent contour parallel to the axis of rotation. This can be achieved in that the locking element and the Rxierkoritur are not arranged radially, but axially offset from each other. As a result, the spring travel, which is required for the bias, is not perpendicular to the axis of rotation de Sehaltwelle, but is paraliei dishes The required space can be further minimized when the spring generating the bias Fede the Wege radially. By then comparatively large Windungs mismesser kan the spring can simultaneously build axially short.
  • the latching contour and the latching element are axially biased relative to one another such that the axial distance of the latching element to a reference point of the latching conic only changes during a shunting process when the latching element travels a height difference on the latching contour.
  • the ⁇ xiaihub thus generated is thus effected solely by the harmonynprofiS the Rastierkontur,
  • the Axäalhub generated by the height profile of the Rastierköntur the locking element to the Rastierkontur is generally proportional to the height difference covered. in a development the Rastieraji not de generating dial forces, but aliein generating Schattseite forces is at a selection motion, the axial displacement of the ⁇ sound wave.
  • one of the latching components is acted upon by a helical compression spring.
  • the spring supports sic on the locking member and a the Geiriebegephaseuse directly or indirectly.
  • the latching component can have a groove or a passage for guiding the spring.
  • ⁇ ⁇ Alternatively, the shaft has a circular cross-section, and the spring is adapted in its Winduhis diameter to the shifting contour
  • At least one of the latching unit forming latching components is arranged coaxially with the shaft shaft.
  • the latching components can have central recesses as passages for the shaft.
  • one of the latching components is designed as a disk.
  • the disc builds very easily and has a low axial thickness in relation to its radial extent.
  • the axial thickness can be constant, as is the case, for example, with Btechinn, which are provided with a height profile and form a Rastierkontur.
  • both latching components are designed as arranged on the shift shaft annular discs.
  • the annular discs can be arranged to save space in the hollow body of a shift sleeve.
  • a kochsten to be produced ball catch which is also directed radially to the Schaitweile or on a arranged on the shift shaft switching hoses, is therefore unnecessary.
  • the radially required construction of the Schaestvoriques is therefore essentially determined by the ⁇ ußendürchmesser the Sohaltwelle or, the. Rotationally fixed on her arranged components.
  • the latching components are preferably designed as sheet-metal discs and produced by cold forming.
  • the latching components can be manufactured by simple punching and profiling, with any necessary subsequent machining such as deburring being able to be carried out naturally and not fundamentally non-cutting production in question provides.
  • the stroke required for a given Sehaltkraft can be reduced, and the Rastbauteii can build axially even shorter.
  • the same effect is achieved when several locking elements are biased gege the same locking contour. For example, if the Rastbauteii formed with the Rastierköntur as an annular disc, the height profile may be formed wavy umiau- fend.
  • the catch component can have a Zenirälaus predominantlyung complementary to the outer contour of the switching world, via which it is positively secured to the Sehaltwelie.
  • the locking component can thus carry out an adapter function for a shock absorber that is to be activated on the operating gear.
  • the detent element which is not rotatably connected to the selector shaft or to the shift lever arranged on the SchaSiwell, must be secured against rotation so that it can generate a Hu in conjunction with the counterreacting element during the shifting movement.
  • it can be arranged firmly on the transmission housing.
  • an axial displaceability of the latching element relative to the housing is required for a selection movement, it may have an anti-twist device which interacts with the housing directly or via an intermediate element.
  • the Eiseneiement can be formed, for example, as a parallel to the Wennweile directed guide pin de wholly or partially encompassed by a ceremoniesseienient the Rasielemenfs, but is axially displaceable on this. A formsehlussige securing the mattersefements on the guide pin is sufficient and very easy to manufacture,
  • the latching element can be designed as a catch which has a spring-biased head facing a buttonhole housing. has.
  • the lock can be arranged in a Axiaiböfirupg a solid trained Rastelement.
  • the latching belt is formed from the material of the latching component. For this purpose, one or more passer-by boys may be provided, who can lock in the latching contour of the other latching component.
  • Figure 1 shows a longitudinal section through a first Sqhaiivor- direction according to the invention
  • Figure 2 is a perspective view of he? Ingengemägen switching device according to Figure 1,
  • FIG. 3 shows the latching component with the latching elements from FIG. 1 in an enlarged perspective view
  • FIG. 5 shows a longitudinal section through a second switching device according to the invention, omitting some secondary components
  • the Figure 1 and 2 show a first SchaJtvorrich ung 1 in the form of a switch "cathedral.
  • the switching dome comprises a flange-like housing 2, which is screwable to a not-shown ⁇ etiebegehiüse, sowi a shaft shaft 3, which is rotatably mounted in the GeHouseteii 2.
  • the sound wave 3 is dSzgelagert in the housing part 2 via a bearing 4 and the housing part 2 rotatable.
  • the rotation is by a kinematically connected to the HeidelbergweiS 3, angeord oeten on GekoruseteiS 2, not shown shift lever! initiated.
  • Axial, the SebalfweiSe 3 is fixed and not displaceable. A low-friction displacement in the (axial) direction can therefore be dispensed with, so that the bearing 4 is designed as a needle bearing to absorb high forces.
  • the switching sleeve 5 is ei Kalturnformtechnisch produced bent component, which essentially has a trough-shaped hollow body 51 which surrounds the switching shaft 3 at least partially radially.
  • the shell 55 of the hollow body has further SchaStiata such as shift fins 10 and a Gassentechnologyuhg 1 1.
  • the shift finger 10 can be positioned as a result of a selection movement induced Axiaiverschiebung the shift sleeve 5 to shift forks, not shown, and brought into engagement.
  • Type of the housing part 2 facing away from the end of the diameter of the hollow body 51 is so far reduced and adapted to the Au & enkontur the Wege 3 that the Heidelberghu! S 5 can be supported on the Schaefwelie 3 if necessary via an annular shoulder 52. In the unloaded NormaSfali, however, a back-up is not required.
  • a second connection of the SchaSthüise 5 takes place via an e Ringsch ei be 81.
  • Die- annular disc 81 ( Figure 3) has a Zeniralaus Principleung 82, whose shape is complementary to ⁇ ußenkontu the shift shaft 3, it also has a nose projection 83 which engages positively in a free punching 53 of the Heidelbergthüise 5. In addition, the nose projection 83 is secured there by welding.
  • a drift support of Schaitbülse 5 can be carried out under load in the region of the gap 15 of the housing part 2.
  • the Heidelbergthüise 5 has a plurality of windows 54 for Switzerlandßssenmduzierung. Rather than in a separate free punch 53, the washer 81 may be also secured in-ei "NEM the window 54 ⁇ not dargestelli), wherein then preferably the window in the Drehriohtung a; Jacket 55 of the switching sleeve 5 is applied.
  • the jacket 55 of the Sehalthülse 5 is circumferentially open. It is formed substantially U-shaped with two ends parallel parallel legs 56. The ends 56 are provided with notches 57 in the retaining lugs 87 for axial positioning of the annular disc 81 engage.
  • Two retaining lugs 87 of the latching component 8 are formed so that they form a groove 90 with a width of the bending thickness of the switching duct 5 with its inner flank 88 and the side walls 89 of the latching latch 8 directed ubenrailel between the retaining lugs 87 and the nose projection 83.
  • the projection Masenvor- 83 83 has the annular disc 81 between the retaining lugs 87 on an arc portion 91.
  • the latching elements 84, 85, 86 are biased against two Rastierkonturen 74, 75
  • the Rastferkonturen .74. 75 are arranged on a further annular disc 71, which forms the latching unit 8 as a latching component together with the latching component 8.
  • Against the Rastierkontur 74 only one locking element 84 is biased; however, against the longer and more Rastierveriana having Rastierköntur 75 two locking elements 85, 86 biased.
  • the three Rastelemehte 84, 85, 86 are spaced at an angle of 120 ° to each other, so that the load of the ring discs 71, 81 is as uniform as possible.
  • the annular disc 71 has a central recess 72 as a passage for di shift shaft 3.
  • locking member 8 is the locking member? secured against rotation on the housing part 2.
  • it has a guide element 73 which engages around a guide pin 8 fastened to the housing part 2.
  • the locking component 7 is axially movable with the guide element 73 and only a small amount of rotational movement is secured.
  • the spring 14 which is designed as a viscous compression spring, has a coil diameter which is adapted to the diameter of the shaft 3. Tilting of the spring is effectively avoided.
  • the spring 14 is supported directly on the Ringseheib 7, while the other end is supported on a arranged in a Heidelbergweilringnut 31 locking ring 32.
  • the spring 14 is arranged and selected so that in all possible, permissible WählstelSungen dfe spring 1 and thus the locking members 7, 8 are biased. In a selection so that the locking sleeve 5 with the Rastbauteii 8 relative to the housing part 2 and the Schaitwelie 3 are axially displaceable; but the spring-loaded latching component also experiences the axial displacement,
  • the Rastbauieile 7, S do not change their relative position to each other and produce thus also no switching force.
  • the locking elements 84, 85, 86 are therefore against the profiled Rastierkontur 74, 75 moves thus cause a forced stroke of the locking member 7, 8 from each other.
  • the forced stroke acts against the force of the spring 14, is felt as a shift force and ensures that it requires in predetermined positions, the neutral position and the Schaitpositsonen, an externally applied (Scha Ii- ⁇ force, so that the gear against unintentional release As a result of shocks is secured.
  • the locking components 7, 8 are both formed as kaitumformtechnisch produced sheet metal disc.
  • the latching contours are introduced by profiling, and the latching elements 84, 85, 86 are designed as transmissions and thus from the material of the annular disc 81 itself.
  • Such annular discs 71, 81 build on the one hand very narrow, on the other hand they can be inside arrange the hollow body 51 formed by de mantle 55 of the switching sleeve 5. Thus, no additional installation space in the axial direction is required, and in the radial direction the required installation space is determined solely by the unchanged switching sleeve diameter and the shift finger 1 O arranged on the shift sleeve 5.
  • FIG. 5 shows a schematic representation of a modification of the inventive switching device 1 according to FIGS. 1-4.
  • the detent element 84 is designed here as a ball catch with a deterrent ball as the head 92.
  • the detent element 84 is arranged as a preassembled component in a solid latching component 8, which also has a through-hole for the guide pin 9.
  • the catch member 7, t is the Ras' ierkontur 74 carries non-rotatably connected to the shift sleeve.

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

Abstract

L'invention concerne un dispositif de changement de vitesse d'une boîte de vitesses de véhicule à moteur, comprenant un axe de levier de commande de changement de vitesse, une partie boîtier, l'axe de levier de commande de changement de vitesse étant logé de manière à pouvoir tourner par rapport à ladite partie boîtier, une unité d'encliquetage pour bloquer les positions de changement de vitesse, qui présente un contour d'encliquetage sur une première pièce d'encliquetage et une seconde pièce d'encliquetage dotée d'un élément d'encliquetage, les pièces pouvant être déplacées l'une par rapport à l'autre et être encliquetées l'une contre l'autre, ledit dispositif de changement de vitesse comprenant également une douille de commande montée sur l'arbre de changement de vitesse.
PCT/DE2013/200190 2012-10-19 2013-09-27 Dispositif de changement de vitesse d'une boîte de vitesses de véhicule à moteur WO2014059981A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201380053681.1A CN104769337B (zh) 2012-10-19 2013-09-27 机动车辆变速器的换挡设备
BR112015004709A BR112015004709A2 (pt) 2012-10-19 2013-09-27 dispositivo de comutação de uma transmissão de veículos automóveis

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012219085.6A DE102012219085A1 (de) 2012-10-19 2012-10-19 Schaltvorrichtung eines Kraftfahrzeugwechselgetriebes
DE102012219085.6 2012-10-19

Publications (1)

Publication Number Publication Date
WO2014059981A1 true WO2014059981A1 (fr) 2014-04-24

Family

ID=49509898

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2013/200190 WO2014059981A1 (fr) 2012-10-19 2013-09-27 Dispositif de changement de vitesse d'une boîte de vitesses de véhicule à moteur

Country Status (4)

Country Link
CN (1) CN104769337B (fr)
BR (1) BR112015004709A2 (fr)
DE (1) DE102012219085A1 (fr)
WO (1) WO2014059981A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107218391A (zh) * 2017-07-25 2017-09-29 重庆青山工业有限责任公司 一种手动变速器换挡限位机构

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016223240A1 (de) * 2016-11-24 2018-05-24 Schaeffler Technologies AG & Co. KG Schaltvorrichtung für ein Zahnräderwechselgetriebe
CN108980331B (zh) * 2017-05-31 2021-03-16 舍弗勒技术股份两合公司 换档塔装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29815202U1 (de) * 1998-07-22 1998-11-05 Kochendörfer & Kiep Metallverarbeitung GmbH, 65830 Kriftel Rastierungshülse und Schaltwelle mit darauf angeordneter Rastierungshülse
DE19942562A1 (de) * 1998-09-07 2000-04-13 Schaeffler Waelzlager Ohg Rastierhülse für eine Schaltwelle
DE10141468A1 (de) * 2001-08-29 2003-04-03 Kochendoerfer & Kiep Metallver Verfahren zum Herstellen eines Schaltmoduls

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DE3808375C1 (fr) 1988-03-12 1989-10-05 Fag Kugelfischer Georg Schaefer Kgaa, 8720 Schweinfurt, De
JP3377154B2 (ja) * 1996-02-15 2003-02-17 日野自動車株式会社 変速機のギヤシフト装置
EP0849507B1 (fr) * 1996-12-21 2003-04-16 Deere & Company Tringlerie de changement de vitesses pour la transmission des efforts de selection
DE10007190A1 (de) * 2000-02-17 2001-08-23 Schaeffler Waelzlager Ohg Rastierhülse eines Wechselgetriebes
DE102008024317A1 (de) * 2008-05-20 2009-11-26 Schaeffler Kg Arretiervorrichtung für die Lagefixierung eines beweglichen Stellelements
DE102008026181A1 (de) * 2008-05-30 2009-12-03 Schaeffler Kg Schaltmechanik für ein Schaltgetriebe
DE102008028494A1 (de) * 2008-06-14 2009-12-17 Schaeffler Kg Vorrichtung zum Vermeiden von Fehlschaltungen
DE102008049796A1 (de) * 2008-09-30 2010-04-01 Schaeffler Kg Schaltanordnung für ein Schaltgetriebe
DE102009048876A1 (de) * 2009-10-09 2011-04-14 Schaeffler Technologies Gmbh & Co. Kg Schaltvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29815202U1 (de) * 1998-07-22 1998-11-05 Kochendörfer & Kiep Metallverarbeitung GmbH, 65830 Kriftel Rastierungshülse und Schaltwelle mit darauf angeordneter Rastierungshülse
DE19942562A1 (de) * 1998-09-07 2000-04-13 Schaeffler Waelzlager Ohg Rastierhülse für eine Schaltwelle
DE10141468A1 (de) * 2001-08-29 2003-04-03 Kochendoerfer & Kiep Metallver Verfahren zum Herstellen eines Schaltmoduls

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107218391A (zh) * 2017-07-25 2017-09-29 重庆青山工业有限责任公司 一种手动变速器换挡限位机构

Also Published As

Publication number Publication date
BR112015004709A2 (pt) 2017-07-04
CN104769337A (zh) 2015-07-08
CN104769337B (zh) 2016-12-14
DE102012219085A1 (de) 2014-04-24

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