WO2007021216A1 - Boite a vitesses - Google Patents

Boite a vitesses Download PDF

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Publication number
WO2007021216A1
WO2007021216A1 PCT/RU2006/000023 RU2006000023W WO2007021216A1 WO 2007021216 A1 WO2007021216 A1 WO 2007021216A1 RU 2006000023 W RU2006000023 W RU 2006000023W WO 2007021216 A1 WO2007021216 A1 WO 2007021216A1
Authority
WO
WIPO (PCT)
Prior art keywords
planetary gear
gear
gear set
carrier
planetary
Prior art date
Application number
PCT/RU2006/000023
Other languages
English (en)
Russian (ru)
Inventor
Maxim Valerevich Nagaytsev
Alexander Nikolaevich Lyskov
Sergey Alexandrovich Kharitonov
Alexander Vladimirovich Semenov
Dmitriy Nikolaevich Paleev
Original Assignee
Obshchestvo S Ogranichennoy Otvetstvennostyu 'kate'
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 Obshchestvo S Ogranichennoy Otvetstvennostyu 'kate' filed Critical Obshchestvo S Ogranichennoy Otvetstvennostyu 'kate'
Publication of WO2007021216A1 publication Critical patent/WO2007021216A1/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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • F16H3/666—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another with compound planetary gear units, e.g. two intermeshing orbital gears
    • 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
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three sets of orbital gears
    • 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
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means

Definitions

  • the invention relates to the field of automotive engineering and the design of a stepped planetary gearbox, which can be used in automatic transmissions, controlled by an electronic unit and hydraulics, and intended for vehicles.
  • the torque and engine speed are converted by the transmission in accordance with the changing conditions of the vehicle to ensure the vehicle is moving forward and backward.
  • the automatic transmission includes a planetary type gearbox, which provides a change in the torque on the propeller and its speed.
  • the gearbox also includes friction controls, which according to their purpose are divided into two groups: brakes and clutches. Friction clutches connect the elements of the planetary mechanism to each other. Friction brakes connect the elements of the planetary gear to the gearbox housing.
  • planetary gearboxes used for vehicles and providing seven forward and one reverse gears include three planetary gear sets and six control elements.
  • such schemes do not realize the dynamic characteristics of vehicle transmissions, reduce the kinematic capabilities of the gearbox, and reduce its durability.
  • developers involved in the design and manufacture of automatic transmissions use the fourth planetary gearbox, which complicates the design of the gearbox, or increase the number of degrees of freedom. This leads to an increase in the number of friction controls that are necessary to enable the transmission, which, in turn, leads to a complication of the control system.
  • a known gearbox containing a planetary gearbox the sun gear of the first planetary gear set of which is connected to the sun gear of the second planetary gear set, the carrier of the third planetary gear set is the output link of the gearbox, the carrier of the second planetary gear set is connected to the crown gear of the third planetary gear set and friction brake with the crankcase of the gearbox gears, the input link is connected to the carrier of the first planetary gear set, the ring gear of the first planetary gear set is connected by a friction brake to the crankcase and gears, the carrier of the first planetary gear set is connected to the crown gear of the second planetary gear set, the crown gear of the first planetary gear set is connected via a friction controlled clutch to the sun gear of the third planetary gear set, the sun gear of the third planetary gear set is connected by a friction controlled gear to the carrier of the third planetary gear set, friction with a sun gear of the second planetary gear set and a friction controlled clutch with a carrier of the first planetary gear set.
  • This gearbox contains three friction clutches and three brakes to change the torque ratio between the input and output links.
  • gear shifting occurs due to the pairwise inclusion of seven friction control elements for planetary gear units. This allows you to get seven forward gears and one reverse gear.
  • the present invention is directed to solving the technical problem of improving the dynamic characteristics of a vehicle using the minimum possible number of controls.
  • the technical result achieved in this case consists in expanding the kinematic capabilities of the gearbox, increasing its durability, reducing the number of parts, and also allows you to significantly expand the number of types of vehicles in which you can install a gearbox with such a kinematic scheme.
  • the third planetary gearbox is the output link of the gearbox
  • the carrier of the second planetary gearbox is connected with the crown gear of the third planetary gear and the friction brake with the gearbox
  • the input link is connected to the carrier of the first planetary gear
  • the ring gear of the first planetary gear is connected by the friction brake to the gearbox
  • the input link is connected by a friction controlled clutch with a carrier of the second planetary gear set and a friction controlled clutch with a sun gear of the third planetary gear a row
  • the sun gear of the second planetary gear set is connected by a friction brake to the gearbox housing
  • the crown gear of the second planetary gear set is connected to the sun gear of the third planetary gear set
  • the sun gear of the third planetary gear set is equipped with a friction brake for its connection with the gear case
  • the input link is connected to the torsion damper fluctuations
  • the present invention is illustrated by a specific example, which, however, is not the only possible, but clearly demonstrates the possibility of achieving the desired technical result with the above set of features.
  • FIG. 1 is a kinematic diagram of a hydromechanical seven-speed gearbox for a vehicle transmission with one reverse gear;
  • a transmission comprising a planetary gearbox, the sun gear of the first planetary gear set of which is connected to the sun gear of the second planetary gear, the carrier of the third planetary gear is the output link of the gearbox, the carrier of the second planetary gear is connected to the crown gear of the third planetary gear and a friction brake with the crankcase gearboxes, the input link is connected to the carrier of the first planetary gear set, the crown gear of the first planetary gear set is connected by friction a brake with the gearbox housing, the input link is connected by a friction controlled clutch to the carrier of the second planetary gear set and a friction controlled clutch with the sun gear of the third planetary gear set, the sun gear of the second planetary gear set is connected by a friction brake to the gear housing, the crown gear of the second planetary gear set is connected to the sun gear the third planetary gear set, the sun gear of the third planetary gear set is equipped with a friction brake for its connection with the gear housing, input The first link is connected with a torsional vibration damp
  • An automatic hydromechanical transmission that implements six forward gears and one reverse gear contains a crankcase 1, a torsional vibration damper 2, an input link 3, an output link 4, and a planetary gearbox, which includes planetary gear sets, two friction clutches, and four friction brakes.
  • the planetary gear consists of three planetary gear sets.
  • the first planetary gear set consists of a sun gear 5, a carrier 6 satellites and a crown gear 7 (epicycle).
  • the second planetary gear set consists of a sun gear 8, a carrier 9 satellites and a ring gear 10 (epicyclic).
  • the third planetary gear set consists of the sun gear 11 drove 12 satellites and the ring gear 13 (epicyclic).
  • the input link 3 is connected by a friction clutch 14 with interconnected crown gear 13 of the third planetary gear set and the carrier 9 of the second planetary gear set.
  • the input link 3 is connected by a friction clutch 15 with interconnected ring gear 10 of the second planetary gear set and sun gear 11 of the third planetary gear set.
  • Drove 6 of the first planetary gear set is connected to the input link 3.
  • the input link 3 is connected to the torsional vibration damper 2.
  • the friction brake 16 connects the ring gear 10 of the second planetary gear set and the sun gear 11 of the third planetary gear set to the gearbox housing 1.
  • Friction brake 17 connects to the crankcase 1 boxes gears interconnected crown gear 13 of the third planetary gear set and drove 9 of the second planetary gear set.
  • the friction brake 18 connects the sun gear 5 of the first planetary gear set and the sun gear 8 of the second planetary gear set to the gearbox housing 1.
  • the ring gear 7 of the first planetary gear set is connected to the crankcase 1 of the gearbox by the friction brake 19.
  • the carrier 12 of the third planetary gear set is connected to the output link 4 of the gearbox.
  • This embodiment of the gearbox compared with the well-known 7-speed gearboxes of the type MERCEDES 7G-TRONIC, BMW SMG III and others allows you to get seven forward gears and one reverse gear, using three planetary gear sets and six friction controls. At the same time, in the proposed scheme, there is no power break when shifting gears.
  • an automatic transmission operates as follows.
  • the brake 17 and 19 are engaged, i.e. the angular velocity of the ring gear 7 of the first planetary gear set and carrier 9 of the second planetary gear set connected to the ring gear 13 of the third planetary gear set is zero.
  • the torque from the input link 3 through the carrier 6 of the first planetary gear set is transmitted to the sun gear 5 of the first planetary gear set and the associated sun gear 8 of the second planetary gear set and then transmitted through the ring gear 10 of the second planetary gear set and the associated sun gear 11 of the third planetary gear set on carrier 12 of the third planetary row connected directly with the output link 4.
  • the brake 19 When switching to the second forward gear, the brake 19 is turned off and the clutch 15 is engaged, the brake 17 remains engaged.
  • the angular velocity of the carrier 9 of the second planetary gear connected to the crown gear 13 of the third planetary gear is zero, and the angular velocity of the input link 3 is equal to the angular velocity of the sun gear 11 of the third planetary gear connected to the crown gear 10 of the second planetary gear.
  • the torque from the input link 3 through the included friction clutch 15 is transmitted to the sun gear 11 of the third planetary gear set and then to the carrier 12 of the third planetary gear set connected directly to the output link 4.
  • the angular velocity of the input link 3 is equal to the angular velocity of the ring gear 13 of the third planetary gear connected to the carrier 9 of the second planetary gear, and the angular velocity of the input link 3 is equal to the angular velocity of the sun gear 11 of the third planetary gear connected to the ring gear 10 of the second planetary gear.
  • the torque from the input link 3 is divided and transmitted via the included friction clutch 15 to the sun gear 11 of the third planetary gear set and then to the carrier 12 of the third planetary gear set, and also through the included friction clutch 14 is transmitted to the carrier 9 of the second planetary gear set and the associated crown gear 13 of the third planetary gear set and further to the carrier 12 of the third planetary gear set, where it combines with the flow of torque moment from the sun gear 11 of the third planetary gear set and transmitted to the output link 4.
  • the torque is divided and transmitted through the crown stubble 13 of the third planetary gear set on the carrier 12 of the third planetary gear set, as well as through the crown gear 10 of the second planetary gear set and the sun gear 11 of the third planetary gear set connected to it on drove 12 of the third planetary gearbox, where it combines with the flow of torque from the ring gear 13 of the third planetary gearbox and is then transmitted to the output link 4.
  • the torque from the input link 3 is transmitted through the carrier 6 of the first planetary gear set to the sun gear 5 of the first planetary gear set and the associated sun gear 8 of the second planetary gear set and then transmitted via the carrier 9 of the second planetary gear set and the associated ring gear 13 of the third planetary gear set drove 12 of the third planetary row connected directly with the output link 4.
  • the present invention allows for gearboxes having three planetary gears to provide seven forward gears and one reverse gear without increasing the number of planetary gears and significantly increasing the dimensions of the crankcase by increasing the number of controls, as well as changing the sequence of pairwise activation of the controls.
  • the present invention is industrially applicable, since its implementation does not require special new technology and special equipment, except for those used in mechanical engineering in the production of gearboxes, including planetary ones.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

L'invention appartient au domaine des constructions mécaniques pour l'industrie automobile et concerne la conception d'une boîte à vitesses à pas, qui peut s'utiliser également dans des transmissions automatiques. La boîte à vitesses comprend un carter (1), un amortisseur d'oscillations de rotation (2), des éléments d'entrée et de sortie (3 et 4) et un réducteur planétaire constitué de rangées planétaires dont la première comprend une roue solaire (5), un guide (6) de satellites et une couronne (7), la deuxième comprend une roue solaire (8), un guide (9) de satellites et une couronne (10), et la troisième comprend une roue solaire (11), un guide (12) de satellites et une couronne (13). L'élément (3) est couplé par un manchon de frottement (14) avec la couronne (13) et le guide (9), et est relié par un manchon de frottement (15) avec les roues (10) et (11). Le guide (6) est relié à l'élément (3), relié à l'amortisseur (2). Le frein à frottement (16) est couplé au carter (1) des roues (10 et 11), le frein (17) relie la roue (13) et le guide (9), le frein (18) relie les roues (5 et 8). La roue (7) est reliée au carter (1) par le frein à frottement (19), et le guide (12) est relié à l'élément (4).
PCT/RU2006/000023 2005-08-17 2006-01-25 Boite a vitesses WO2007021216A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2005126066/11A RU2290552C1 (ru) 2005-08-17 2005-08-17 Коробка передач
RU2005126066 2005-08-17

Publications (1)

Publication Number Publication Date
WO2007021216A1 true WO2007021216A1 (fr) 2007-02-22

Family

ID=37757809

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2006/000023 WO2007021216A1 (fr) 2005-08-17 2006-01-25 Boite a vitesses

Country Status (2)

Country Link
RU (1) RU2290552C1 (fr)
WO (1) WO2007021216A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013110709A1 (de) * 2013-09-27 2015-04-02 CLAAS Tractor S.A.S Schaltgetriebeanordnung
RU2690653C1 (ru) * 2018-04-25 2019-06-05 Открытое акционерное общество "Специальное конструкторское бюро машиностроения" Коробка передач

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU806939A1 (ru) * 1979-05-21 1981-02-23 Ленинградский Институт Водноготранспорта Планетарна коробка передач
US6652409B2 (en) * 2002-02-22 2003-11-25 General Motors Corporation Family of multi-speed planetary transmission mechanisms having four clutches and two brakes
EP1398528A2 (fr) * 2002-09-12 2004-03-17 General Motors Corporation Transmission planétaire avec trois trains épicycloidaux et un membre de réaction fixe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU806939A1 (ru) * 1979-05-21 1981-02-23 Ленинградский Институт Водноготранспорта Планетарна коробка передач
US6652409B2 (en) * 2002-02-22 2003-11-25 General Motors Corporation Family of multi-speed planetary transmission mechanisms having four clutches and two brakes
EP1398528A2 (fr) * 2002-09-12 2004-03-17 General Motors Corporation Transmission planétaire avec trois trains épicycloidaux et un membre de réaction fixe

Also Published As

Publication number Publication date
RU2290552C1 (ru) 2006-12-27

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