• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A vehicle drive transmission system includes a continuously variable speed-control unit of the expansible pulley type whose output shaft is drivingly connected via a reduction gear unit to a differential gear. The differential gear has two coaxial output shafts which are connected to the half shafts of the vehicle's driving wheels. Both the reduction gear unit and the differential gear are epicyclic in form and are arranged coaxial with the output shaft of the speed control unit. To accommodate this compact arrangement, both the output shaft of the speed control unit and the input shaft of the reduction gear unit are made hollow so that one of the output shafts of the differential gear can extend therethrough.
    公开号:SU961551A3
    申请号:SU802872251
    申请日:1980-01-17
    公开日:1982-09-23
    发明作者:Фальцони Джанлуиджи
    申请人:Фиат Ауто С.П.А. (Фирма)；
    IPC主号:
    专利说明:

    This invention relates to an automobile transmission designed to transmit motion from an engine to an automobile’s driving wheels through speed-variable speed control mechanisms,
    A known vehicle transmission contains a drive shaft, one end of which is connected to the engine, a hollow main shaft, inside which is located the drive shaft, a reversing device with its control system, made in the form of a three-stage planetary gear, the sun gear of which is connected to the other end. drive shaft, and drove - with-. a main drive shaft, a driven shaft located parallel to the drive shaft, a variator made in the form of drive and driven pulleys installed respectively on the hollow main and driven shafts, and a V-shaped belt encircating the said pulleys, each pulley made in the form of two opposite each other the other of the conical disks, one of which is made integral with the corresponding shaft, and the other is mounted for axial displacement to ensure the radial displacement of said belt, and the differential, kinematically with coupled via a reduction gearing to the driven shaft, the half-line which are connected to the wheels of the vehicle I.
    A disadvantage of the known transmission is that the constituent elements are distributed at least between three and ten parallel axes, which makes these systems somewhat cumbersome and large.
    The aim of the invention is to reduce the size.
    15
    The goal is achieved by the fact that the driven shaft is hollow, the reduction gear and the differential are located in a common housing, while the reduction gear is made
    权利要求:
    Claims (2)
    [1]
    20 planetary gear driven by the driven shaft; satellite gears are made in the form of a two-pinion gear, one crown of which engages with a gear veneer made on the inner surface of the housing, and the second is made in the form a three-tier planetary mechanism, the sun gear and carrier of which are associated with the respective semi-axes, and the satellite gear meshes with the crust gear of the reduction gear, one of the semi-axes located inside of the shaft. FIG. 1 shows schematically the transmission of a car in FIG. 2, section A-A in figure 1; FIG. 3 is a section BB in FIG. 1. The transmission contains a support structure 1 in the form of a housing, inside which the drive shaft 2 is rotatably mounted. One end 3 of the drive shaft 2 may be connected to the crankshaft of an engine (not shown) of the vehicle by means of a hydraulic coupling 4 of a known type, the turbine of which is fastened for joint rotation with the end 3 of the drive shaft 2, at the other end 5 of the drive shaft 2 a central gear wheel 6 is fixed to the key, being part of the planetary reversing mechanism 7 of a known type. The reversing mechanism 7 (Fig. 2) contains three planetary gears (self-drive) 8, distributed with the same angular spacing around the central gear 6 and meshing with it, and three satellites 9, each of which is in mesh with, respectively. one of the satellites 8 and with a ring gear 10, coaxially surrounding the central gear 6. Satellite. Litas 8 and 9 ustans are rotatably mounted on a carrier 11, which is stationary. Attached to a hollow main shaft 12 mounted for rotatability coaxially with: a driving shaft 2. A friction clutch 13 and a brake 14 are coupled to the crown wheel 10. Both are of a known type and both can be hydraulically driven through a hydraulic circuit (not shown). The friction clutch 13 serves to firmly couple the crown wheel 10 to co-rotate with the planet carrier 11. The brake 14 serves to lock the crown wheel 10 relative to the fixed structure 1. The reversing mechanism 7 can be switched by remote control in any of the three working conditions choice. In the first working condition, the friction clutch 13 engages the crown wheel 10 s in the diesel 11 to rotate them together. In this condition, the crown gear 10, the carrier 11 and the hollow main shaft 12 will rotate in the same direction as the drive shaft 2. When the reversing mechanism 7 is re-working, the brake 1 blocks the crown gear 10 relative to the fixed support structure 1. In this state, the carrier 11 and, therefore, the main shaft 12 rotates in a direction opposite to the rotation direction of the drive shaft
    [2]
    2. In the third state, the reversing mechanism 7 and the friction clutch 13, and the brake 14 are engaged, resulting in a transmission of rotation from the drive shaft 2 to the carrier 11 and, therefore, the main shaft 12 is missing. there is. The drive pulley 15 is fixed by a key on the main shaft 12 and consists of two opposing discs 16 and 17 opposite each other. The conical disk 16 is made in one piece with the main shaft 12, and the a-conical disk 17 is mounted with the possibility of axial sliding along the shaft 12. From veduidego pulley 15, the rotational movement of shaft 1,2 is transmitted via a V-belt 18 to a driven pulley 19 fixed by a key on the driven shaft 20 running parallel to the main shaft 12. The driven pulley 19 is similar to a driving pulley 15 and consists of two each other conical disks 21 and 22, one of which (disk 21) is made in one piece with the knowledge - shaft 20, and the other (disk 22) is installed with the possibility of axial sliding along the shaft 20. Axial movement of disks 17 and 22 of pulleys 15 and 19, respectively, are carried out hydraulically, normally regulating the flow of hydraulic fluid into the chamber 23 and the chamber 24, respectively, inviting DJKHBOB 15 and 19 to the movable disks 17 and 22. This adjustment is carried out using a regulating device (not shown). In this way, it is possible to change the effective diameters of the pulleys 15 and 19 and thereby change the gear ratio of the main shaft 12 and the camshaft shaft 20. Thus, the pulleys 15, 19 and the wedge 18 together constitute the mechanism: stepless speed control, m. e. variable speed drive . The driven shaft 20 is hollowed and mounted rotatably in a fixed support structure 1. One end of the shaft 20 is connected via an intermediate tubular shaft 25 to a hollow shaft 26 located coaxially with the driven shaft 20. The hollow shaft 26 is the input shaft of a planetary gear reduction gear 27 housed in the housing 28, attached to the engine of the car. The housing 28 also houses the planetary differential 29, which is located coaxially with the reduction gear 27 and serves to transfer the rotational movement from the driven shaft 20 to the semi-axles of the driving wheels of the car. The end of the input shaft 26 distant from the output shaft 20 is designed as a carrier 30. On this carrier 30, three satellites 31 are rotatably mounted around the input shaft 26 with the angular spacing that is the same between them. Each ca Telli 31 consists of two integral gears 32 and 33, of which gear 32 has more teeth than gear 33. Gear 32 meshes with the first ring gear 34, made in one piece with the housing 28, and gear 33 is engaged with a second ring gear 35 capable of rotating from / on the housing 28. This ring gear 35 serves to connect the downshift gear with the adjacent differential 29. The differential is made planetary and has a design similar to the roar The differential mechanism 7 (Fig. 2) Differential 29 comprises a central gear wheel 36 and two triples of satellites 37 and 38. Two triples of satellites 37 and 38 are similar to satellites 8 and 9 (Fig. 2) and pairs of satellites in engagement with each other 37 and 38. In addition, the satellites 3 T axes are in engagement with the crown wheel 35, and the satellites 38 are with the central wheel 36. The central wheel 36 is mounted on the splines (or key on one of the ends of the first output shaft 39, which passes coaxially through the input shaft 26 of the underdrive gear 27, the intermediate shaft 25 and the l. 20. The end of the output shaft 39, furthest from the center wheel 36, protrudes outward from the housing 1 and is provided with a radial flange 40, which serves to connect the shaft 39 with the semi-axis of one of the driving wheels of the car. The carrier 41 is mounted on the splines (key) at one end of the second output shaft 42 coaxially with the first output shaft 39 and significantly shorter than this shaft 39. The second output shaft 42 projects outward from the housing 28 and is provided at the outer end with a radial flange 43 designed to connect the shaft 42 with the luosyu other drive wheels of the car. When using differential; dial 29 works in a known manner, the torque is distributed between the output shaft 3.9, driven in. rotation by a central wheel 36, and an output shaft 42, driven by a carrier 41. Thus, the proposed transmission is extremely compact and of moderate size, with all its component parts located on two parallel axes corresponding to the axis of pulleys 15 and 19 of the mechanism stepless speed regulation. An invention of a vehicle transmission containing a drive shaft, one end of which is connected to the engine, a hollow main shaft inside which the drive shaft is located, a reversing device with its control system made in the form of a three-stage planetary gear, the sun gear of which is connected to the other end of the drive shaft. shaft, and the carrier - with a hollow main shaft, a drive shaft located parallel to the driver, a variator made in the form of the driving and driven pulleys installed respectively on the main floor and the driven alah, and a V-shaped belt, spanning, pulleys, each pulley made in the form of two conical disks opposite one another, one of which is integral with the corresponding shaft, and the other is axially displaced to ensure the radial displacement of the belt, and the differential, kinematically coupled through a downshift to a driven shaft, the half axles of which are connected to the wheels of the car, in contrast to the fact that, in order to reduce the size, the driven shaft is hollow, the downshift and The differential gears are located in a common housing, while the reduction gear is made planetary, driven by a driven shaft, satellite gears are made in the form of a two-gear gear unit, one crown of which engages with a gear ring on the inner surface of the housing, and the other with a ring gear, and the differential is made in the form of a three-axis planetary mechanism, the sun gear and carrier of which are connected to the corresponding semi-axes, and the satellite gear engages with the ring gear Jernei downshift wherein one of the semi-axes disposed inside the driven shaft. . Sources of information taken into account in the examination 1. IT patent 4060012, l. 74-689, 1977.
    32 F fue.S
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    同族专利:
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    DE3001784C2|1986-07-24|
    GB2039640B|1982-11-17|
    FR2446968B1|1986-07-25|
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    引用文献:
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    IT1032839B|1975-05-09|1979-06-20|Sira Societa Ind Richerche Aut|CONTINUOUS SPEED VARIATOR FOR MOTORPOWER GROUPS|
    DE2621682A1|1976-05-15|1977-11-24|Zahnradfabrik Friedrichshafen|CONTINUOUSLY ADJUSTABLE TAPERED DISC CONVERSION GEAR|
    US4138837A|1976-10-26|1979-02-13|Deere & Company|Variable speed reversible drive for a harvesting apparatus|
    GB2045368B|1978-12-09|1982-12-08|Gkn Transmissions Ltd|Continuously variable ratio transmission|JPH0218459B2|1981-02-02|1990-04-25|Aisin Aw Co|
    JPH0250340B2|1981-02-04|1990-11-02|Aisin Aw Co|
    JPS616365Y2|1981-02-25|1986-02-26|
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    DE3117657A1|1981-05-05|1982-11-25|Ford-Werke AG, 5000 Köln|TRANSMISSION UNIT FOR VEHICLES, IN PARTICULAR FOR MOTOR VEHICLES WITH FRONT DRIVE|
    JPS57190155A|1981-05-14|1982-11-22|Mitsubishi Electric Corp|Power transmission device|
    JPS57204362A|1981-06-11|1982-12-15|Nissan Motor Co Ltd|V-belt driver stepless speed changer|
    JPS629058B2|1981-07-15|1987-02-26|Nissan Motor|
    IT1144396B|1981-07-17|1986-10-29|Fiat Auto Spa|EQUIPMENT FOR THE CONTROL OF A CONTINUOUS AUTOMATIC TRANSMISSION OF A VEHICLE|
    JPH0126893B2|1981-07-22|1989-05-25|Nissan Motor|
    IT1172232B|1981-08-11|1987-06-18|Fiat Auto Spa|DEVICE FOR THE TRANSMISSION OF THE MOTORCYCLE FROM THE CRANKSHAFT TO THE HALF-AXLES OF THE TWO DRIVE WHEELS OF A CAR VEHICLE THROUGH A CONTINUOUS SPEED VARIATOR WITH EXPANDABLE PULLEYS|
    DE3202692C2|1982-01-28|1986-03-27|Ford-Werke AG, 5000 Köln|Infinitely variable transmission unit for motor vehicles|
    DE3212769A1|1982-04-06|1983-10-06|Volkswagenwerk Ag|Transmission arrangement|
    US4528870A|1982-05-04|1985-07-16|Van Doorne's Transmissie B.V.|Transmission for vehicles, in particular for automobiles with front wheel drive|
    IT1155683B|1982-05-28|1987-01-28|Fiat Auto Spa|MOTORCYCLE TRANSMISSION DEVICE FROM THE CRANKSHAFT TO THE AXLE SHAFTS OF A MOTOR VEHICLE|
    DE3241789C2|1982-11-11|1985-08-08|Ford-Werke AG, 5000 Köln|Gear unit for vehicles, in particular for front-wheel drive vehicles|
    JPS59106754A|1982-12-09|1984-06-20|Nissan Motor Co Ltd|Hydraulic controller of v-belt type stepless transmission gear|
    US4583423A|1983-02-24|1986-04-22|Ford Motor Company|Infinitely variable transmission for automotive vehicle driveline|
    JPS59164448A|1983-03-10|1984-09-17|Aisin Seiki Co Ltd|Stepless transmission|
    US4526061A|1983-03-18|1985-07-02|Aisin-Warner Kabushiki Kaisha|Stepless automatic transmission for motor vehicles|
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    JPH0372857B2|1989-03-24|1991-11-20|Aisin Aw Co|
    JPH0375785B2|1989-03-24|1991-12-03|Aisin Aw Co|
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    DE19757232A1|1997-12-22|1999-06-24|Audi Ag|Drive arrangement|
    US6907951B2|2000-03-07|2005-06-21|Arctic Cat, Inc.|Snowmobile planetary drive system|
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    DE10255534B3|2002-11-28|2004-07-22|Audi Ag|drive arrangement|
    DE102004058572A1|2004-12-03|2006-06-08|Röchling Getriebe OHG|Driving axle has differential gear which is formed as self-locking differential gear and brake mechanism has direct effect on differential gear housing|
    CA2575224A1|2007-01-24|2008-07-24|Bombardier Recreational Products Inc.|Snowmobile with improved drive train|
    US8388483B2|2008-05-09|2013-03-05|Schaeffler Technologies AG & Co. KG|Space-saving transmission arrangement|
    US20190136959A1|2017-11-09|2019-05-09|GM Global Technology Operations LLC|Locking bearing assembly|
    RU2748081C1|2020-10-19|2021-05-19|Александр Михайлович Рудник|Drive device|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    IT6712279A|IT1118316B|1979-01-19|1979-01-19|DEVICE FOR THE TRANSMISSION OF THE MOTOR OF THE CRANKSHAFT TO THE AXLES OF THE TWO DRIVE WHEELS OF A VEHICLE THROUGH A CONTINUOUS SPEED VARIATOR WITH EXPANDABLE PULLEYS|
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