WO2006030758A1 - 動力伝達装置 - Google Patents
動力伝達装置 Download PDFInfo
- Publication number
- WO2006030758A1 WO2006030758A1 PCT/JP2005/016803 JP2005016803W WO2006030758A1 WO 2006030758 A1 WO2006030758 A1 WO 2006030758A1 JP 2005016803 W JP2005016803 W JP 2005016803W WO 2006030758 A1 WO2006030758 A1 WO 2006030758A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- case
- transmission device
- lubricating oil
- power transmission
- protruding support
- Prior art date
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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0457—Splash lubrication
-
- 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
-
- 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
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- 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
- F16H57/04—Features relating to lubrication or cooling or heating
-
- 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
- F16H2057/02091—Measures for reducing weight of gearbox
-
- 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
- F16H3/089—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 all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
-
- 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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0493—Gearings with spur or bevel gears
- F16H57/0494—Gearings with spur or bevel gears with variable gear ratio or for reversing rotary motion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19991—Lubrication
Definitions
- the present invention relates to a power transmission device, and mainly relates to a transmission for an automobile.
- a gear mechanism having a plurality of gears coaxially is accommodated in a nozzle and a lower portion of the housing is used as an oil reservoir, and the gear teeth
- the oil lubricating oil
- a baffle plate having multi-stepped portions corresponding to the shape of the gears is provided at the bottom of the housing, and the oil sump is substantially raised to increase the oil level without increasing the oil amount. It is possible to increase the value (see Patent Document 1).
- Patent Document 1 Utility Model Registration No. 2590907 (Page 2-5, Fig. 1)
- the present invention provides a power transmission device 1 having a rotating member G and a shaft member S on which the rotating member G is supported as means for solving the above-described conventional problems.
- 2 is provided with a protruding support portion 5 that protrudes inward and supports the shaft member S, and at least a part of the protruding support portion 5 is immersed in the lubricating oil in the case 2.
- the specific gravity of the projecting support portion 5 provides the power transmission device 1 that is set smaller than the specific gravity of the lubricating oil. It is desirable that at least a part of the projecting support part 5 has a shape that follows the shape of at least a part of the rotating member G.
- At least a part of the projecting support portion 5 is so shaped as to be immersed in the lubricating oil of the rotating member G and conform to the shape of the portion.
- the case 2 has a main case 3 and a side case 4 attached to a side portion of the main case 3, and the protruding support portion 5 is provided on the side case 4.
- the protruding support portion 5 is immersed in the lubricating oil in the case 2, and the specific gravity of the protruding support portion 5 is larger than the specific gravity of the lubricating oil. Since it is set small, the amount of lubricating oil can be reduced by the volume of the projecting support portion 5 immersed without changing the height of the oil level L.
- the length of the shaft member S can be shortened by an amount corresponding to the projecting amount.
- the rigidity of can be increased.
- the amount of lubricating oil can be reduced and the weight of the device 1 can be reduced.
- the rigidity of the device 1 can be improved by increasing the rigidity of the shaft member S.
- the automatic shift manual transmission 1 is provided with an actuator rod (not shown) that is slidable and rotatable by an actuator (not shown), and a shift lever (not shown). Based on the operation of the actuator, the actuator is operated, and a shifter (not shown) attached to the actuator one rod is used to drive the drive gear G (in FIG. 2 to FIG. G6 and GR are collectively referred to as G.) is the driven gear G (In Fig. 3, G1 'to G6' are collectively referred to as G ').
- the twin clutch type transmission 1 includes a case 2 of the transmission 1, a first input shaft S1 and a second input shaft S2 that are shaft members, and a reverse that can reverse the rotation of the second input shaft S2.
- the idler gear SR for carrying the gear GI and the drive wheel (not shown) through the differential gear (not shown) while transmitting the power from the first input shaft S1 or the second input shaft S2 It consists of a countershaft SC that outputs power to
- the case 2 of the transmission 1 has a main case 3 and a side case 4 attached to a side end portion of the main case 3.
- Protruding support 5 is provided to protrude inward!
- a hollow portion is provided at one end of the first input shaft S1, and the other end of the first input shaft S1 is pivotally supported by the central portion of the side case 4 via a ball bearing 6. .
- the other end portion of the second input shaft S2 is inserted and supported in the hollow portion of the first input shaft S1, and one end portion of the second input shaft S2 is connected to the main case 3 via the ball bearing 7. It is pivotally supported at the center.
- the other ends of the first input shaft S1 and the second input shaft S2 are connected to a drive shaft driven by the engine via a clutch or the like (including a damper) (not shown).
- the first input shaft S1 is fixedly supported with a second-speed drive gear G2, a fourth-speed drive gear G4, and a sixth-speed drive gear G6 in order from the other end side (ball bearing 6 side).
- 1st speed drive gear Gl, reverse drive gear GR, 5th speed drive gear G5, 3rd speed drive gear G3 are fixed to the second input shaft S2 in order from one end side (ball bearing 7 side). Is supported.
- the 2-speed drive gear G2 the 1-speed drive gear Gl, the reverse drive gear GR, etc. that transmit a large torque output at a relatively low rotation, in the vicinity of the ball bearings 6, 7,
- the load on the first input shaft S1 and the second input shaft S2 can be reduced, and the strength is significant IJ.
- the counter shaft SC has a first-speed driven gear G1 ', a reverse driven gear GR', a fifth-speed driven gear G5 ', and a third-speed driven gear in order from one end side (ball bearing 8 side).
- Drive gear G3 ', 6th speed driven gear G6', 4th speed driven gear G4 ', 2nd speed driven gear G2', and output gear GO are supported rotatably.
- the counter shaft SC is fixedly supported with a 2-4 speed synchronizer Cl, a 6 speed synchronizer C2, a 3 speed synchronizer C3, and a 15 speed synchronizer C4.
- the driving gears G1 to G6 and the driven gears G1 'to G6' can be selectively combined with each other by the synchronizing devices C1 to C4.
- a reverse idler gear GI is rotatably supported on the reverse idler shaft SR.
- the reverse idler shaft SR is a 4-speed drive gear G4 or a 6-speed drive gear.
- the diameter is reduced in order to avoid interference with the 4-speed drive gear G4 and 6-speed drive gear G6.
- Lubricating oil (not shown) is placed in the case 2 of the transmission 1, and the lower portion of the case 2 is an oil reservoir. As shown by a broken line in FIG. 2, the height of the oil level L is set at a substantially central height position of the case 2, and the entire projecting support portion 5 is immersed in the lubricating oil.
- the protruding support portion 5 is formed hollow, and the specific gravity of the protruding support portion 5 is set smaller than the specific gravity of the lubricating oil.
- the shape of the portion on the first input shaft S1 side of the protruding support portion 5 is carried by the second-speed drive gear G2 and the counter shaft SC carried by the first input shaft S1.
- Drive gear for 2nd gear G2 ' has a concave shape along the arc shape of the outer peripheral surface of part of the part immersed in the lubricating oil (protrusion support part 5 side part)! 1).
- the second-speed drive gear G2, the fourth-speed drive gear G4, the sixth-speed drive gear G6 carried on the first input shaft S1, Second input shaft S
- the drive gears G1 to G6 and GR are rotated.
- Lubricating oil is sprinkled at the tooth tips of the drive gears G1 to G6 and GR, and the meshing portion is lubricated.
- the projecting support part 5 is immersed in the lubricating oil in the case 2 (in the present embodiment, the entire part of the projecting support part 5). Since the specific gravity is set smaller than the specific gravity of the lubricating oil, the amount of lubricating oil is reduced by the volume of the soaked protruding support part 5 without changing the height of the oil level L. be able to. In this embodiment, the specific gravity of the protruding support portion 5 can be easily made smaller than the specific gravity of the lubricating oil by making the protruding support portion 5 hollow.
- the reverse idler shaft SR which is a shaft member, is supported by the projecting support portion 5 projecting inward of the case 2, so that the length of the reverse idler shaft SR is increased by the amount of the projecting amount.
- the reverse idler shaft SR can be increased in rigidity.
- the amount of lubricating oil can be reduced by the volume of the protruding support portion 5 to reduce the weight of the transmission 1, and the reverse idler shaft SR can be increased in rigidity to change the speed.
- the durability of the machine 1 can be improved.
- the volume of the protruding support portion 5 can be efficiently increased so that the protruding support portion 5 does not interfere with the second-speed drive gear G2.
- At least a part of the projecting support portion 5 is one of the portions of the second-speed drive gear G2 that is a rotating member that is immersed in the lubricating oil.
- the second-speed drive gear G2 rotates along the shape of the projecting support portion 5, so that the second-speed drive gear is rotated. Lubricate oil efficiently with G2 tooth tips
- the protrusion part 5 since the entire protrusion support part 5 is immersed in the lubricating oil, the protrusion part Compared to the case where only a part of the material is immersed in the lubricating oil, the amount of the lubricating oil can be reduced significantly and efficiently, and the further light weight of the transmission 1 as a power transmission device can be reduced. I can plan.
- the case 2 of the transmission 1 includes a main case 3 and a side case 4 attached to the side of the main case 3, and the protruding support portion 5 is provided on the side case 4, the protruding support Even when the shape of the part 5 is complicated, the process of forming the protruding support part 5 can be performed more easily than when the protruding support part 5 is formed on the main case 3.
- the power transmission device 1 has been described as a twin clutch type automatic shift manual transmission, but the power transmission device 1 other than the present embodiment may be a normal manual transmission or automatic transmission. Machine or transfer.
- the present invention can be used industrially as a power transmission device that can achieve light weight and improve durability.
- FIG. 1 is a cross-sectional perspective view of a transmission.
- FIG. 2 is a side sectional view illustrating a transmission.
- FIG. 3 is an explanatory plan sectional view of the transmission.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/662,070 US7980360B2 (en) | 2004-09-14 | 2005-09-13 | Transmission system |
EP05783657A EP1790876B1 (en) | 2004-09-14 | 2005-09-13 | Power transmission device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-266156 | 2004-09-14 | ||
JP2004266156A JP4574298B2 (ja) | 2004-09-14 | 2004-09-14 | 動力伝達装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006030758A1 true WO2006030758A1 (ja) | 2006-03-23 |
Family
ID=36060010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/016803 WO2006030758A1 (ja) | 2004-09-14 | 2005-09-13 | 動力伝達装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7980360B2 (ja) |
EP (1) | EP1790876B1 (ja) |
JP (1) | JP4574298B2 (ja) |
KR (1) | KR100846537B1 (ja) |
CN (1) | CN100453854C (ja) |
WO (1) | WO2006030758A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101988572A (zh) * | 2009-07-29 | 2011-03-23 | Abb技术股份公司 | 传动箱 |
JP5867822B2 (ja) * | 2012-03-19 | 2016-02-24 | スズキ株式会社 | 変速機のリバースアイドラ軸支持構造 |
JP6533240B2 (ja) * | 2017-01-06 | 2019-06-19 | ファナック株式会社 | ギヤボックスとその軽量化方法およびロボット |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6097453U (ja) * | 1983-12-08 | 1985-07-03 | トヨタ自動車株式会社 | 手動変速機の潤滑装置 |
JPH08132898A (ja) * | 1994-11-11 | 1996-05-28 | Kanzaki Kokyukoki Mfg Co Ltd | トラクタのトランスミッション装置 |
JPH10103428A (ja) * | 1996-09-30 | 1998-04-21 | Mazda Motor Corp | 歯車式変速機構造 |
JP2590907Y2 (ja) | 1989-10-24 | 1999-02-24 | マツダ株式会社 | 歯車機構の潤滑構造 |
JP2002227876A (ja) * | 2001-02-05 | 2002-08-14 | Kanzaki Kokyukoki Mfg Co Ltd | トランスミッションのギア抜け防止機構 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5426567Y2 (ja) * | 1974-05-08 | 1979-09-01 | ||
JPS551332Y2 (ja) * | 1976-03-26 | 1980-01-16 | ||
JPS5348976U (ja) * | 1976-09-30 | 1978-04-25 | ||
US4082170A (en) * | 1977-02-14 | 1978-04-04 | Caterpillar Tractor Co. | Final drive bladder |
JPS5783942U (ja) * | 1980-11-12 | 1982-05-24 | ||
JPS59110467U (ja) * | 1983-01-17 | 1984-07-25 | 三菱自動車工業株式会社 | 変速機等のケ−ス |
JPS60164165U (ja) * | 1984-04-10 | 1985-10-31 | 株式会社 富士鉄工所 | 変速機のケ−シング構造 |
JPH11287252A (ja) * | 1998-03-31 | 1999-10-19 | Isuzu Motors Ltd | トランスミッションにおける軸受保持構造 |
JP2000203293A (ja) * | 1999-01-12 | 2000-07-25 | Kanzaki Kokyukoki Mfg Co Ltd | 車軸駆動装置 |
CN1105248C (zh) * | 2000-07-14 | 2003-04-09 | 鄢平安 | 高速齿轮变速器 |
US6843747B1 (en) * | 2002-01-31 | 2005-01-18 | Hydro-Gear Limited Partnership | Internal expansion tank for hydrostatic transaxle |
-
2004
- 2004-09-14 JP JP2004266156A patent/JP4574298B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-13 CN CNB2005800241100A patent/CN100453854C/zh not_active Expired - Fee Related
- 2005-09-13 WO PCT/JP2005/016803 patent/WO2006030758A1/ja active Application Filing
- 2005-09-13 KR KR1020077002881A patent/KR100846537B1/ko active IP Right Grant
- 2005-09-13 US US11/662,070 patent/US7980360B2/en not_active Expired - Fee Related
- 2005-09-13 EP EP05783657A patent/EP1790876B1/en not_active Not-in-force
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6097453U (ja) * | 1983-12-08 | 1985-07-03 | トヨタ自動車株式会社 | 手動変速機の潤滑装置 |
JP2590907Y2 (ja) | 1989-10-24 | 1999-02-24 | マツダ株式会社 | 歯車機構の潤滑構造 |
JPH08132898A (ja) * | 1994-11-11 | 1996-05-28 | Kanzaki Kokyukoki Mfg Co Ltd | トラクタのトランスミッション装置 |
JPH10103428A (ja) * | 1996-09-30 | 1998-04-21 | Mazda Motor Corp | 歯車式変速機構造 |
JP2002227876A (ja) * | 2001-02-05 | 2002-08-14 | Kanzaki Kokyukoki Mfg Co Ltd | トランスミッションのギア抜け防止機構 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1790876A4 |
Also Published As
Publication number | Publication date |
---|---|
EP1790876A4 (en) | 2010-10-06 |
US20080087125A1 (en) | 2008-04-17 |
JP4574298B2 (ja) | 2010-11-04 |
EP1790876A1 (en) | 2007-05-30 |
KR20070047774A (ko) | 2007-05-07 |
US7980360B2 (en) | 2011-07-19 |
KR100846537B1 (ko) | 2008-07-15 |
CN1989360A (zh) | 2007-06-27 |
CN100453854C (zh) | 2009-01-21 |
JP2006083874A (ja) | 2006-03-30 |
EP1790876B1 (en) | 2011-11-23 |
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