SE505129C2 - Motor vehicle gearbox - Google Patents

Motor vehicle gearbox

Info

Publication number
SE505129C2
SE505129C2 SE9503525A SE9503525A SE505129C2 SE 505129 C2 SE505129 C2 SE 505129C2 SE 9503525 A SE9503525 A SE 9503525A SE 9503525 A SE9503525 A SE 9503525A SE 505129 C2 SE505129 C2 SE 505129C2
Authority
SE
Sweden
Prior art keywords
bearing
gear
input shaft
shaft
gears
Prior art date
Application number
SE9503525A
Other languages
Swedish (sv)
Other versions
SE9503525L (en
SE9503525D0 (en
Inventor
Grzegorz Janiszewski
Original Assignee
Volvo Ab
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 Volvo Ab filed Critical Volvo Ab
Priority to SE9503525A priority Critical patent/SE505129C2/en
Publication of SE9503525D0 publication Critical patent/SE9503525D0/en
Priority to AU73509/96A priority patent/AU7350996A/en
Priority to PCT/SE1996/001283 priority patent/WO1997013990A1/en
Publication of SE9503525L publication Critical patent/SE9503525L/en
Publication of SE505129C2 publication Critical patent/SE505129C2/en

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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/091—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
    • F16H2003/0931—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts each countershaft having an output gear meshing with a single common gear on the output shaft
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0052—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising six forward speeds
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Structure Of Transmissions (AREA)
  • General Details Of Gearings (AREA)

Abstract

Six-speed motor vehicle gearbox with two countershafts (17, 18) on which intermeshing reverse gears (32, 33) for reverse gear are rotatably mounted and engageable to the respective shaft by means of engaging sleeves (25, 34). The input shaft (9) is carried on the input side in a bearing (8) which is overlapped by the reverse gears. In a depression (6) in the end wall (3) of the gearbox housing on the outside of the housing, a hydraulic release cylinder (40) is arranged with a release bearing (46).

Description

UI 10 20 25 505 129 I ett föredraget utförande, som utgör en vidareutveckling av växellådan enligt SE-A-8601247-3, ingriper det lageröverlappande backkugghjulet med ett på en andra mellanaxel anordnat backkugghjul, vilket är är så anordnat, att det överlappar den ingående axelns första lager. In a preferred embodiment, which constitutes a further development of the gearbox according to SE-A-8601247-3, the bearing-overlapping reverse gear engages with a reverse gear arranged on a second intermediate shaft, which is arranged so as to overlap the input gear. the first layer of the shaft.

Genom att modifiera den i nämnda skrift visade och beskrivna växellådan, så att de med varandra ingripande backkugghjulen placeras på växellådans ingångssida, kan - det ingående lagret flyttas längre in i växellådshuset, eftersom det inte finns något kugghjul på den ingående axeln i ingrepp med backkugghjulen. Denna lösning gör det möjligt att bygga ut den kända femväxlade växellådan till en sexväxlad utan att kräva mer totalt utrymme för motor och transmission.By modifying the gearbox shown and described in said document, so that the interlocking reverse gears are placed on the entrance side of the gearbox, the input bearing can be moved further into the gearbox housing, since there is no gear on the input shaft in engagement with the reverse gears. This solution makes it possible to expand the known five-speed gearbox to a six-speed without requiring more total space for engine and transmission.

Uppfinningen beskrivs närmare med hänvisning till på bifogade ritning visade ut- föringsexempel, där figuren visar ett längdsnitt genom en utföringsform av en växel- låda enligt uppfinningen med en ansluten kopplingsanordning.The invention is described in more detail with reference to exemplary embodiments shown in the accompanying drawing, in which the figure shows a longitudinal section through an embodiment of a gearbox according to the invention with a connected coupling device.

I figuren betecknar 1 generellt ett växellådshus, som har en central husdel 2 samt främre och bakre gavlar 3 resp 4 fastskruvade vid den centrala husdelen 2. Ett kopp- lingshus 5 är gjutet i ett stycke med den främre gaveln 3. Denna är utformad med en fördjupning 6, vilken vid sitt bottenparti 7 bildar säte för ett koniskt rullager 8, som utgör lagring för en ingående axel 9 på ingångssidan. Ett andra koniskt rullager 10 i ett säte i den motsatta gaveln 4 utgör lagring för den ingående axelns 9 motsatta ände.In the figure, 1 generally denotes a gearbox housing, which has a central housing part 2 and front and rear ends 3 and 4, respectively, screwed to the central housing part 2. A coupling housing 5 is cast in one piece with the front end 3. This is formed with a recess 6, which at its bottom portion 7 forms the seat of a conical roller bearing 8, which constitutes bearing for an input shaft 9 on the input side. A second conical roller bearing 10 in a seat in the opposite end 4 constitutes bearing for the opposite end of the input shaft 9.

På den ingående axeln 9 är sex kugghjul 11, 12, 13, 14, 15 och 16 ovridbart fixerade för överföring av moment på ettans, tvåans, sexans, treans, fyrans och femmans växel (i nämnd ordning) via på en första och en andra mellanaxel 17 resp 18 roter- bart lagrade kugghjul 19, 20, 21, 22, 23 och 24, som är låsbara på respektive axel medelst tillhörande kopplings- och synkroniseringsanordningar 25, 26 och 27. 10 15 20 25 30 3 p 505 129 Mellanaxlarna 17 och 18 är lagrade i koniska rullager 28, 29 resp 30, 31 i den främre och bakre husgaveln 3 resp 4.On the input shaft 9, six gears 11, 12, 13, 14, 15 and 16 are non-rotatably fixed for transmitting torques on the first, second, sixth, third, fourth and fifth gears (in said order) via on a first and a second intermediate shaft 17 and 18, respectively, rotatably mounted gears 19, 20, 21, 22, 23 and 24, which are lockable on each shaft by means of associated coupling and synchronizing devices 25, 26 and 27. 10 15 20 25 30 3 p 505 129 The intermediate shafts 17 and 18 are mounted in conical roller bearings 28, 29 and 30, 31, respectively, in the front and rear housing gables 3 and 4, respectively.

Det på den första mellanaxeln 17 lagrade kugghjulet 19 för ettans växel är vridfast förbundet med ett första backkugghjul 32, vilket står i ingrepp med ett andra back- kugghjul 33, som är roterbart lagrat på den andra mellanaxeln 18 samt låsbart på denna medelst en kopplings- och synkroniseringsanordning 34. Såsom framgår av , figuren medför placeringen av lagret 8 i botten på fördjupningen 6 att lagret 8 över- lappar kugghjulen 32, 33, så att ändytan 35 på lagrets 8 innerring ligger nästan i plan med kugghjulets 32 inneryta 36.The gear 19 mounted on the first intermediate shaft 17 for one gear is rotatably connected to a first reverse gear 32, which engages a second reverse gear 33, which is rotatably mounted on the second intermediate shaft 18 and lockable thereon by means of a clutch. and synchronizing device 34. As shown in the figure, the placement of the bearing 8 in the bottom of the recess 6 causes the bearing 8 to overlap the gears 32, 33, so that the end surface 35 of the inner ring of the bearing 8 is almost flush with the inner surface 36 of the gear 32.

I fördjupningen 6 på utsidan om lagret 8 är en generellt med 40 betecknad urkopp- lingsanordning för en koppling 41 upptagen. Urkopplingsanordningen 40 innefattar en koncentriskt med den ingående axeln 9 anordnad första hylsa 42 och en koncent- riskt med denna anordnad andra hylsa 43, vilka tillsammans avgränsar ett ríngformigt cylinderutrymme 44 för en ringkolv 45, vilken anligger mot ett på hylsan 42 glidbart urkopplingslager 46. Kopplingen 41 är av konventionell typ och innefattar en vid motorns svänghjul 47 fastskruvad kåpa 48, som bär en tryckplatta 49 och en tallriks- fjäder 50. Urkopplingslagret 46 anligger mot ett centralt parti av fiädern 50 och medför vid sin rörelse åt höger i figuren, orsakad av tillförsel av tryckmedium till cylinderrummet 44, att tryckplattan 49 lyfts från en av den ingående axeln 9 ovrid- bart uppburen lamellskiva 51, varvid kopplingen frikopplas.In the recess 6 on the outside of the bearing 8, a disconnection device generally designated 40 for a clutch 41 is accommodated. The disengagement device 40 comprises a first sleeve 42 arranged concentrically with the input shaft 9 and a second sleeve 43 arranged concentrically therewith, which together delimit an annular cylinder space 44 for an annular piston 45, which abuts against a disengagement bearing 46 slidable on the sleeve 42. The coupling 41 is of the conventional type and comprises a housing 48 screwed to the engine flywheel 47, which carries a pressure plate 49 and a disc spring 50. The disengagement bearing 46 abuts a central portion of the spring 50 and causes in its movement to the right in the gear, caused by supply of pressure medium to the cylinder space 44, that the pressure plate 49 is lifted from a lamella plate 51 which is inextricably supported by the input shaft 9, whereby the coupling is disengaged.

Såsom framgår av figuren medför fördjupningen 6 för urkopplingsanordningen 40 att kopplingen kan placeras så nära växellådhusets gavel 3 som det överhuvudtaget är möjligt, dvs kåpan 48 har delar, som ligger omedelbart intill de delar av husgaveln 3 som bildar säten för mellanaxellagren 28 och 30. Följden blir att den kompletta transmissionsenhetens axiella utbredning blir så liten som möjligt. I praktiken innebär detta att den beskrivna sexväxlade växellådan med tillhörande koppling inte behöver mer utrymme än en tidigare känd femvâxlad version. 505 129 Förutom de ovan beskrivna komponenterna innefattar den kompletta transmissions- enheten en generellt med 52 betecknad slutväxel, vars kronhjul 53 ingriper med två utgående, med vardera mellanaxeln 17 och 18 ovridbart förbundna kugghjul 54, 55, som i det visade utföringsexemplet är lika stora och som delvis överlappar lagret 8 och urkopplingsanordníngen 40.As can be seen from the figure, the recess 6 for the disengagement device 40 means that the coupling can be placed as close to the gable 3 of the gearbox housing as possible, ie the housing 48 has parts which lie immediately adjacent the parts of the housing gable 3 which form seats for the intermediate shaft bearings 28 and 30. the axial extent of the complete transmission unit is as small as possible. In practice, this means that the described six-speed gearbox with associated clutch does not need more space than a previously known five-speed version. In addition to the components described above, the complete transmission unit comprises a final gear generally designated 52, the crown gears 53 of which engage two output gears 54, 55 in each case inseparably connected to each intermediate shaft 17 and 18, which in the embodiment shown are equal in size and which partially overlaps the bearing 8 and the disconnecting device 40.

Claims (4)

10 15 20 25 Patentkrav10 15 20 25 Patent claims 1. Motorfordonsväxellåda, innefattande ett hus, i vilket en ingående axel är lagrad i ett första lager i en första husgavel på den ingående axelns ingångssida och i ett andra lager i en andra, motstäende husgavel, och minst en i lager i nämnda gavlar lagrad mellanaxel, som uppvisar kugghjul i ingrepp med kugghjul på den ingående axeln, varvid åtminstone det ena kugghjulet i varje par med varandra ingripande kugghjul på nämnda axlar är frikopplingsbart på sin axel, kännetecknad av att ett av mellanaxeln (17) uppburet kugghjul (32), som är anordnat att överföra moment på backväxeln, och den ingående axelns (9) första lager (8) är så anordnade, att de överlappar varandra axiellt.A motor vehicle gearbox, comprising a housing, in which an input shaft is mounted in a first bearing in a first housing end on the input side of the input shaft and in a second bearing in a second, opposite housing end, and at least one intermediate shaft mounted in said ends , which has gears engaged with gears on the input shaft, wherein at least one gear in each pair of interlocking gears on said shafts is releasable on its shaft, characterized in that a gear (32) supported by the intermediate shaft (17), which are arranged to transmit torques on the reverse gear, and the first bearings (8) of the input shaft (9) are arranged so that they overlap each other axially. 2. Växellåda enligt krav 1, kännetecknad av att nämnda lageröverlappande back- kugghjul (32) ingriper med ett på en andra mellanaxel (18) anordnat backkugghjul (33), vilket även är så anordnat, att det axiellt överlappar den ingående axelns första lager (8).Gearbox according to claim 1, characterized in that said bearing-overlapping reverse gear (32) engages a reverse gear (33) arranged on a second intermediate shaft (18), which is also arranged so that it axially overlaps the first bearing (first) of the input shaft. 8). 3. Växellåda enligt krav 1 eller 2, kännetecknad av att den första husgaveln (3) har en koncentriskt med den ingående axeln (9) utformad fördjupning (6), som upptar en ringformig, tryckmediepåverkad kolv-cylinderanordning (40), genom vilken ett ur huset utskjutande parti av den ingående axeln sträcker sig och vars kolv (45) sam- verkar med ett urkopplíngslager (46).Gearbox according to Claim 1 or 2, characterized in that the first housing end (3) has a depression (6) formed concentrically with the input shaft (9), which receives an annular, pressure-media-actuated piston-cylinder device (40), through which a extends from the housing a portion of the input shaft and whose piston (45) cooperates with a disengagement bearing (46). 4. Växellåda enligt krav 2 och 3, kännetecknad av att mellanaxlarna (17,18) upp- visar varsitt med respektive axel ovridbart förbundet kugghjul (54,55), som är anord~ nat att överföra moment från respektive mellanaxel till en slutväxel (52) och att sistnämnda kugghjul delvis överlappar såväl nämnda första lager (8) som kolv- cylinderanordningen (40) axiellt. 505 129 6 S. Växellåda enligt krav 3 eller 4, kännetecknad av att den ingående axeln (9) upp- visar sex kugghjul (11-16) i ingrepp med kugghjul (19-24) på mellanaxlama (17,18) för överföring av moment till slutväxeln (52) för körning framåt med sex olika ut- växlingar.Gearbox according to Claims 2 and 3, characterized in that the intermediate shafts (17, 18) each have a gear wheel (54, 55) inextricably connected to the respective shaft, which is arranged to transmit torque from the respective intermediate shaft to an end gear (52). ) and that the latter gear partially overlaps both said first bearing (8) and the piston-cylinder device (40) axially. Gearbox according to claim 3 or 4, characterized in that the input shaft (9) has six gears (11-16) in engagement with gears (19-24) on the intermediate shafts (17, 18) for transmission of torque to the final gear (52) for forward travel with six different gears.
SE9503525A 1995-10-10 1995-10-10 Motor vehicle gearbox SE505129C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9503525A SE505129C2 (en) 1995-10-10 1995-10-10 Motor vehicle gearbox
AU73509/96A AU7350996A (en) 1995-10-10 1996-10-09 Motor vehicle gearbox
PCT/SE1996/001283 WO1997013990A1 (en) 1995-10-10 1996-10-09 Motor vehicle gearbox

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9503525A SE505129C2 (en) 1995-10-10 1995-10-10 Motor vehicle gearbox

Publications (3)

Publication Number Publication Date
SE9503525D0 SE9503525D0 (en) 1995-10-10
SE9503525L SE9503525L (en) 1997-04-11
SE505129C2 true SE505129C2 (en) 1997-06-30

Family

ID=20399770

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9503525A SE505129C2 (en) 1995-10-10 1995-10-10 Motor vehicle gearbox

Country Status (3)

Country Link
AU (1) AU7350996A (en)
SE (1) SE505129C2 (en)
WO (1) WO1997013990A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2799252B1 (en) * 1999-10-01 2002-05-03 Renault TWO-SECONDARY SHAFT GEARBOX
JP4053206B2 (en) 2000-03-30 2008-02-27 アイシン・エーアイ株式会社 Manual transmission
JP4559661B2 (en) 2000-05-19 2010-10-13 アイシン・エーアイ株式会社 Manual transmission
DE10323721A1 (en) * 2003-05-24 2004-12-23 Daimlerchrysler Ag Three-shaft transmission

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605377B2 (en) * 1985-10-25 1993-11-26 Renault MECHANICAL GEARBOX WITH A PRIMARY SHAFT AND TWO SECONDARY SHAFTS
DE4207989A1 (en) * 1992-03-13 1993-09-16 Ford Werke Ag MULTI-SPEED INTERCHANGEABLE GEARBOX FOR MOTOR VEHICLES
DE4334053C1 (en) * 1993-10-06 1995-03-09 Ford Werke Ag Gearboxes for motor vehicles, in particular with a low gear
US5481932A (en) * 1994-03-29 1996-01-09 General Motors Corporation Multi-axis countershaft power transmission

Also Published As

Publication number Publication date
WO1997013990A1 (en) 1997-04-17
SE9503525L (en) 1997-04-11
AU7350996A (en) 1997-04-30
SE9503525D0 (en) 1995-10-10

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