CN105782362A - Automatic transmission with two-gear dual clutches concentrically arranged on output shaft - Google Patents
Automatic transmission with two-gear dual clutches concentrically arranged on output shaft Download PDFInfo
- Publication number
- CN105782362A CN105782362A CN201610308239.4A CN201610308239A CN105782362A CN 105782362 A CN105782362 A CN 105782362A CN 201610308239 A CN201610308239 A CN 201610308239A CN 105782362 A CN105782362 A CN 105782362A
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- CN
- China
- Prior art keywords
- gear
- clutch
- output
- output shaft
- clutches
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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- 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
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- 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
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- 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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
-
- 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
- F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses an automatic transmission with two-gear dual clutches concentrically arranged on an output shaft. The automatic transmission comprises the first-gear clutch, the second-gear clutch, a differential assembly, an input shaft and the output shaft, wherein the input shaft and the output shaft are arranged in parallel. The first-gear clutch and the second-gear clutch are concentrically arranged on the output shaft. The input shaft transmits power to the first-gear clutch through a first-gear gear pair. The input shaft transmits power to the second-gear clutch through a second-gear gear pair. The output shaft transmits power to the differential assembly through an output gear pair. By the adoption of the automatic transmission with the two-gear dual clutches concentrically arranged on the output shaft, heat dissipation and lubricating risks brought by the high rotation speed to the clutches can be eliminated, and the bad working condition that when the gears are different, the other gear is drawn reversely, and acceleration is caused is avoided; and the process cost is reduced greatly.
Description
Technical field
The present invention relates to a kind of double-clutch automatic gearbox, particularly relate to a kind of concentric output shafts 2 and keep off double-clutch automatic gearbox.
Background technology
The drive motor of pure electric automobile has good governor control characteristics, therefore, and pure electric vehicle power transmission system more employing two shift transmission.Additionally in this field of the passenger car of pure electric automobile, owing to max. speed is generally higher, the motor input speed mated is generally also higher.At present, two shift transmissions predominantly organic tool formula manual transmission (MT) of exploitation, automatic mechanical transmission (AMT) and double-clutch automatic gearbox (DCT) on pure electric automobile.Double-clutch automatic gearbox transmission efficiency is high, shift process power failure-free, shift quality is good, but, existing double-clutch automatic gearbox gear quantity is many, and need to arrange gearshift lock unit, cause the problems such as variator exists structure complexity, volume is big, axial length is longer, poor reliability, manufacturing process are complicated, manufacturing cost is high；For this, patent documentation CN102392885A proposes a kind of automatic transmission of pure electromobile double clutch, simplify structure to a certain extent, reach to reduce variator axial length and volume, increase reliability, simplify manufacturing process and reduce the purpose of manufacturing cost, but, its technical scheme is: two shift transmissions include the power shaft, output shaft and two clutches that be arranged in parallel, are arranged separately on two axles by two clutches, for realizing a gear clutch and the function of two gear clutches.But; one clutch is on power shaft; there is following technical problem in the frame mode that another clutch is arranged on output shaft: 1), motor is as power source; the maximum speed of common electric motor of automobile would generally more than 10000rpm; if arbitrarily clutch is placed on input, clutch rotational speed can be made too high.If simultaneously needing again bearing torque bigger, clutch diameter also can increase, too high rotating speed can make the linear velocity of clutch increase along with diameter and ramp, thus being difficult to form the effective oil film of all standing, making lubrication not smooth, heat radiation is not smooth, is likely to result in clutch friction plate and burns time serious, very big limits the motor requirement to input speed and input torque, and this point does not meet now if the high speed cars such as passenger car are for the instructions for use of high speed.2), need two longer hollow inputs and output shaft, technique, add difficulty requirement, too increase cost accordingly.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention proposes a kind of concentric output shafts 2 and keeps off double-clutch automatic gearbox, it is possible to eliminating heat radiation and lubrication risk that clutch is brought by high rotating speed, when solving different gear, another gear is by the anti-bad condition dragging speedup；And process costs obtains bigger minimizing.
The technical scheme is that and be achieved in that:
A kind of concentric output shafts 2 keeps off double-clutch automatic gearbox, including a gear clutch K1, two gear clutch K2, differential assembly 1, the power shaft 2 be arrangeding in parallel and output shaft 3, a described gear clutch is concentrically disposed on described output shaft with described two gear clutches, described power shaft transmits power to a described gear clutch by first gear pair, and described power shaft transmits power to described two gear clutches by second gear pair, described output shaft transmits power to described differential assembly by output gear wheel set.
Further, a described gear clutch, described two gear clutches are arranged near the two ends of described output shaft, described first gear pair includes a gear driving gear 4 and keeps off the gear driven gear 5 that driving gear engages with described one, described second gear pair includes two gear driving gears 6 and keeps off the two gear driven gears 7 that driven gear engages with described two, a described gear driving gear, described two gear driving gears are all affixed with described power shaft, a described gear driven gear is affixed with the active part of a described gear clutch, described two gear driven gears are affixed with the active part of described two gear clutches, the passive part of a described gear clutch, the passive part of described two gear clutches is all affixed with described output shaft.
Further, described output gear wheel set includes output driving gear 8 and output driven gear 9, and described output driving gear is coaxially fixed on described power shaft, and described output driven gear is affixed with the input of described differential assembly.
Further, described output driving gear is located between a described gear driven gear and described two gear driven gears.
Further, described differential assembly exports power by being positioned at two semiaxis 10 of its relative both sides.
Further, a described gear clutch, described two gear clutches are identical two clutches.
The invention has the beneficial effects as follows: the present invention provides a kind of concentric output shafts 2 to keep off double-clutch automatic gearbox, by two clutches are concentrically disposed on output shaft, alternate selection one keeps off clutch K1 and two gear clutch K2 can realize gearshift, without other extra gearshifts, and avoid clutch is set on power shaft, therefore, can effectively solve any clutch and be placed on input, owing to clutch rotational speed is too high, bearing torque is bigger, cause clutch diameter to increase and clutch is difficult to form the effective oil film of all standing, lubricate not smooth, dispel the heat not smooth problem, clutch friction plate is avoided to burn, eliminate motor and input speed and input torque are required restriction.And a clutch can be solved on power shaft, another clutch is arranged on output shaft, it is necessary to the technical problem of two longer hollow inputs and output shaft, therefore, it is possible to reduce technology difficulty and production cost.And the present invention is when can also solve different gear, another gear is by the anti-bad condition dragging speedup.
Accompanying drawing explanation
Fig. 1 is that concentric output shafts 2 of the present invention keeps off double-clutch automatic gearbox structural representation；
In conjunction with accompanying drawing, make the following instructions:
K1-mono-keeps off clutch, and K2 bis-keeps off clutch, 1-differential assembly, 2-power shaft, 3-output shaft, and 4-mono-keeps off driving gear, and 5-mono-keeps off driven gear, and 6-bis-keeps off driving gear, and 7-bis-keeps off driven gear, and 8-exports driving gear, and 9-exports driven gear, 10-semiaxis.
Detailed description of the invention
Understandable for enabling the invention to become apparent from, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
As shown in Figure 1, a kind of concentric output shafts 2 keeps off double-clutch automatic gearbox, including a gear clutch K1, two gear clutch K2, differential assembly 1, the power shaft 2 be arrangeding in parallel and output shaft 3, a described gear clutch is concentrically disposed on described output shaft with described two gear clutches, described power shaft transmits power to a described gear clutch by first gear pair, and described power shaft transmits power to described two gear clutches by second gear pair, described output shaft transmits power to described differential assembly by output gear wheel set.So, by two clutches are concentrically disposed on output shaft, alternate selection one keeps off clutch K1 and two gear clutch K2 can realize gearshift, without other extra gearshifts, and avoid clutch is set on power shaft, therefore, can effectively solve any clutch and be placed on input, owing to clutch rotational speed is too high, bearing torque is bigger, cause clutch diameter to increase and clutch is difficult to form the effective oil film of all standing, lubricate not smooth, dispel the heat not smooth problem, clutch friction plate is avoided to burn, eliminate motor and input speed and input torque are required restriction.And a clutch can be solved on power shaft, another clutch is arranged on output shaft, it is necessary to the technical problem of two longer hollow inputs and output shaft, therefore, it is possible to reduce technology difficulty and production cost.And the present invention is when can also solve different gear, another gear is by the anti-bad condition dragging speedup.
Preferably, a described gear clutch, described two gear clutches are arranged near the two ends of described output shaft, described first gear pair includes a gear driving gear 4 and keeps off the gear driven gear 5 that driving gear engages with described one, described second gear pair includes two gear driving gears 6 and keeps off the two gear driven gears 7 that driven gear engages with described two, a described gear driving gear, described two gear driving gears are all affixed with described power shaft, a described gear driven gear is affixed with the active part of a described gear clutch, described two gear driven gears are affixed with the active part of described two gear clutches, the passive part of a described gear clutch, the passive part of described two gear clutches is all affixed with described output shaft.So, by an engaged transmission keeping off driving gear and a gear driven gear, it is possible to achieve the gear power transmission between power shaft and output shaft；By two engaged transmission keeping off driving gear and two gear driven gears, it is possible to achieve two gear power transmission between power shaft and output shaft.
Preferably, described output gear wheel set includes output driving gear 8 and output driven gear 9, and described output driving gear is coaxially fixed on described output shaft, and described output driven gear is affixed with the input of described differential assembly.So, by exporting the engaged transmission of driving gear and output driven gear, it is possible to achieve the power transmission between output shaft and differential mechanism.
Preferably, described output driving gear is located between a described gear driven gear and described two gear driven gears, to optimize speed changer structure.
Preferably, described differential assembly exports power by being positioned at two semiaxis 10 of its relative both sides.So, outside left and right driving wheel is outputted power to by the two of differential mechanism semiaxis.
Preferably, a described gear clutch, described two gear clutches are identical two clutches.So, variator has two identical clutches, simplifies production technology.
The operation principle that concentric output shafts 2 of the present invention keeps off double-clutch automatic gearbox is as follows: when vehicle one gear travels, one gear clutch engages, two gear clutches disconnect, and power reaches differential assembly through power shaft, a gear driving gear, a gear driven gear, a gear clutch, output shaft；When needs shift to two gears, a gear clutch disconnects, and two gear clutches engage, and power reaches differential assembly through power shaft, two gear driving gears, two gear driven gears, two gear clutches, output shaft.Alternate selection one keeps off clutch and two gear clutches can realize gearshift, it is not necessary to other extra gearshifts, can eliminate heat radiation and lubrication risk that clutch is brought by high rotating speed, and when can solve different gear, another gear is by the anti-bad condition dragging speedup.This variator is used in realizing power failure-free gearshift with motor for the new-energy automobile of power source, and maximum drive ability and the max speed of new-energy automobile can be promoted, that is this variator is preferably applied in and requires on top load and rotating speed or the of a relatively high vehicle of speed, such as passenger car.
Above example is with reference to accompanying drawing, to a preferred embodiment of the present invention will be described in detail.Those skilled in the art by carrying out amendment on various forms or change to above-described embodiment, but when without departing substantially from the essence of the present invention, all drops within protection scope of the present invention.
Claims (6)
1. a concentric output shafts 2 keeps off double-clutch automatic gearbox, it is characterized in that: include a gear clutch (K1), two gears clutch (K2), differential assembly (1), the power shaft (2) be arrangeding in parallel and output shaft (3), a described gear clutch is concentrically disposed on described output shaft with described two gear clutches, described power shaft transmits power to a described gear clutch by first gear pair, and described power shaft transmits power to described two gear clutches by second gear pair, described output shaft transmits power to described differential assembly by output gear wheel set.
2. concentric output shafts 2 according to claim 1 keeps off double-clutch automatic gearbox, it is characterized in that: a described gear clutch, described two gear clutches are arranged near the two ends of described output shaft, described first gear pair includes a gear driving gear (4) and keeps off gear driven gear (5) that driving gear engages with described one, described second gear pair includes two gear driving gears (6) and keeps off two gears driven gear (7) that driven gear engages with described two, a described gear driving gear, described two gear driving gears are all affixed with described power shaft, a described gear driven gear is affixed with the active part of a described gear clutch, described two gear driven gears are affixed with the active part of described two gear clutches, the passive part of a described gear clutch, the passive part of described two gear clutches is all affixed with described output shaft.
3. concentric output shafts 2 according to claim 2 keeps off double-clutch automatic gearbox, it is characterized in that: described output gear wheel set includes output driving gear (8) and output driven gear (9), described output driving gear is coaxially fixed on described output shaft, and described output driven gear is affixed with the input of described differential assembly.
4. concentric output shafts 2 according to claim 3 keeps off double-clutch automatic gearbox, it is characterised in that: described output driving gear is located between a described gear driven gear and described two gear driven gears.
5. concentric output shafts 2 according to claim 3 keeps off double-clutch automatic gearbox, it is characterised in that: described differential assembly is by being positioned at two semiaxis (10) output power of its relative both sides.
6. concentric output shafts 2 according to claim 1 keeps off double-clutch automatic gearbox, it is characterised in that: a described gear clutch, described two gear clutches are identical two clutches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308239.4A CN105782362A (en) | 2016-05-11 | 2016-05-11 | Automatic transmission with two-gear dual clutches concentrically arranged on output shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308239.4A CN105782362A (en) | 2016-05-11 | 2016-05-11 | Automatic transmission with two-gear dual clutches concentrically arranged on output shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105782362A true CN105782362A (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610308239.4A Withdrawn CN105782362A (en) | 2016-05-11 | 2016-05-11 | Automatic transmission with two-gear dual clutches concentrically arranged on output shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105782362A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177522A (en) * | 2018-02-07 | 2018-06-19 | 穆美艳 | A kind of New-type electric machine for electric vehicle drags drive system |
| CN108426000A (en) * | 2017-02-13 | 2018-08-21 | 南通英拓力控汽车传动系统有限公司 | Electronic automobile-used 4 gear double-clutch automatic gearbox |
| CN108426016A (en) * | 2017-02-13 | 2018-08-21 | 南通英拓力控汽车传动系统有限公司 | The high electronic automobile-used 4 gear double-clutch automatic gearbox of rotating speed |
| CN108426002A (en) * | 2017-02-13 | 2018-08-21 | 南通英拓力控汽车传动系统有限公司 | The high electronic automobile-used 3 gear double-clutch automatic gearbox of rotating speed |
| CN108426001A (en) * | 2017-02-13 | 2018-08-21 | 南通英拓力控汽车传动系统有限公司 | Electronic automobile-used 3 gear double-clutch automatic gearbox |
| CN108426015A (en) * | 2017-02-13 | 2018-08-21 | 南通英拓力控汽车传动系统有限公司 | The electronic automobile-used 3 gear double-clutch automatic gearbox of load-carrying |
| CN108488330A (en) * | 2018-06-14 | 2018-09-04 | 苏州凯博易控驱动技术有限公司 | A kind of two speed transmission and vehicle with dual dry clutch |
| CN109990054A (en) * | 2017-12-29 | 2019-07-09 | 比亚迪股份有限公司 | Speed changer, power-driven system and vehicle |
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| CN101204925A (en) * | 2006-12-19 | 2008-06-25 | 比亚迪股份有限公司 | Electric motor vehicle driving system |
| CN102691770A (en) * | 2012-05-29 | 2012-09-26 | 浙江吉利汽车研究院有限公司杭州分公司 | Dual-clutch transmission for hybrid power |
| DE102011084623A1 (en) * | 2011-10-17 | 2013-04-18 | Zf Friedrichshafen Ag | Power takeoff gear box e.g. four-level power takeoff gear box, for tractor, has spur gear stages for switching transmission stages, where each gear stage comprises gear wheels arranged on power-takeoff axles and shaft axle |
| CN204647168U (en) * | 2015-02-17 | 2015-09-16 | 湖南江麓容大车辆传动股份有限公司 | 2 keep off double-clutch automatic gearboxes and have the automobile of this speed changer |
| CN105299153A (en) * | 2015-10-29 | 2016-02-03 | 吉林大学 | Electric vehicle double-gear gearbox |
| CN205036794U (en) * | 2015-10-08 | 2016-02-17 | 昆山德拉特兰传动科技有限公司 | A two fast derailleurs for electricelectric motor car vehicle |
| CN205745125U (en) * | 2016-05-11 | 2016-11-30 | 王智 | Concentric output shafts 2 keeps off double-clutch automatic gearbox |
-
2016
- 2016-05-11 CN CN201610308239.4A patent/CN105782362A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101204925A (en) * | 2006-12-19 | 2008-06-25 | 比亚迪股份有限公司 | Electric motor vehicle driving system |
| DE102011084623A1 (en) * | 2011-10-17 | 2013-04-18 | Zf Friedrichshafen Ag | Power takeoff gear box e.g. four-level power takeoff gear box, for tractor, has spur gear stages for switching transmission stages, where each gear stage comprises gear wheels arranged on power-takeoff axles and shaft axle |
| CN102691770A (en) * | 2012-05-29 | 2012-09-26 | 浙江吉利汽车研究院有限公司杭州分公司 | Dual-clutch transmission for hybrid power |
| CN204647168U (en) * | 2015-02-17 | 2015-09-16 | 湖南江麓容大车辆传动股份有限公司 | 2 keep off double-clutch automatic gearboxes and have the automobile of this speed changer |
| CN205036794U (en) * | 2015-10-08 | 2016-02-17 | 昆山德拉特兰传动科技有限公司 | A two fast derailleurs for electricelectric motor car vehicle |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426000A (en) * | 2017-02-13 | 2018-08-21 | 南通英拓力控汽车传动系统有限公司 | Electronic automobile-used 4 gear double-clutch automatic gearbox |
| CN108426016A (en) * | 2017-02-13 | 2018-08-21 | 南通英拓力控汽车传动系统有限公司 | The high electronic automobile-used 4 gear double-clutch automatic gearbox of rotating speed |
| CN108426002A (en) * | 2017-02-13 | 2018-08-21 | 南通英拓力控汽车传动系统有限公司 | The high electronic automobile-used 3 gear double-clutch automatic gearbox of rotating speed |
| CN108426001A (en) * | 2017-02-13 | 2018-08-21 | 南通英拓力控汽车传动系统有限公司 | Electronic automobile-used 3 gear double-clutch automatic gearbox |
| CN108426015A (en) * | 2017-02-13 | 2018-08-21 | 南通英拓力控汽车传动系统有限公司 | The electronic automobile-used 3 gear double-clutch automatic gearbox of load-carrying |
| CN109990054A (en) * | 2017-12-29 | 2019-07-09 | 比亚迪股份有限公司 | Speed changer, power-driven system and vehicle |
| CN108177522A (en) * | 2018-02-07 | 2018-06-19 | 穆美艳 | A kind of New-type electric machine for electric vehicle drags drive system |
| CN108177522B (en) * | 2018-02-07 | 2021-08-10 | 穆美艳 | A novel motor drags actuating system for electric automobile |
| CN108488330A (en) * | 2018-06-14 | 2018-09-04 | 苏州凯博易控驱动技术有限公司 | A kind of two speed transmission and vehicle with dual dry clutch |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160720 |
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| WW01 | Invention patent application withdrawn after publication |