CN105835694A - Double-clutch rear axle assembly - Google Patents
Double-clutch rear axle assembly Download PDFInfo
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- CN105835694A CN105835694A CN201410799278.XA CN201410799278A CN105835694A CN 105835694 A CN105835694 A CN 105835694A CN 201410799278 A CN201410799278 A CN 201410799278A CN 105835694 A CN105835694 A CN 105835694A
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- clutch
- platen
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- rear axle
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Abstract
The invention discloses a double-clutch rear axle assembly which comprises a left axle, a right axle, a double-clutch and a speed change and differential mechanism assembly. The power output end of the double-clutch outputs power to the left axle and the right axle through the speed change and differential mechanism assembly. The double-clutch comprises a first clutch, a second clutch and a clutch operation mechanism. The first clutch and the second clutch are controlled through the clutch operation mechanism to be engaged or disengaged alternately. The double-clutch rear axle assembly is low in cost, small in size and low in weight, the application range of a double-clutch transmission can be greatly enlarged, and the double-clutch rear axle assembly is suitable for being carried on small vehicles such as an electric vehicle with the strictly-controlled cost.
Description
Technical field
The present invention relates to automotive component field, specifically a kind of double clutch rear axle assys.
Background technology
Rear axle assy refers to the rear drive shaft ingredient that vehicle power transmits, it is by clutch, variator, differential mechanism and two half-bridge compositions, the driving power of vehicle is transferred to two half-bridges by variator and differential mechanism, and the performance of variator affects the performance of rear axle assy largely, nowadays, the advantage that double clutch gearboxes combine manual transmission and automatic gear-box, do not use torque-converters, then use two set clutches, by two set clutches alternate work, arrive the effect of gapless gearshift, the driving not only making automobile becomes simpler, but also it is effectively improved the comfortableness of automobile, dynamic property and safety.Double clutch is responsible for the important function such as gear switch, starting control, power transmission, torsion damping, overload protection; it it is the critical component of dual-clutch transmission system; existing double clutch generally applies to medium-to-high grade passenger car, and two clutch packs of this double clutch are respectively by twoIndependentElectric & hydraulic control system control, thus control the switching of two different gears of double clutch respectively, this automatic control system structure is complicated, relatively costly, therefore, it is narrow that existing double-clutch speed changer is difficult to apply to the spaces such as electric motor car, the vehicle that cost space is less.
Therefore, for solving problem above, need a kind of only to need a set of operating mechanism can be to two in double clutchIndependentClutch pack be controlled, make its structure be greatly simplified and double clutch rear axle assys of low cost.
Summary of the invention
In view of this, it is an object of the invention to overcome defect of the prior art, it is provided that a kind of simple in construction, transmission efficiency are high, double clutch rear axle assys of low cost.
Double clutch rear axle assys of the present invention include revolver axle, right wheel axle, double clutch and Transaxle assembly, double-clutch power outfan outputs power to revolver axle and right wheel axle by Transaxle assembly, double clutch includes that first clutch, second clutch and clutch operating device, first clutch and second clutch control alternately to engage or separate by this clutch operating device；
Further, described clutch operating device includes the first platen and the second platen, has and be linked and for driving first clutch and second clutch alternately engage or separate between the first platen and the second platen；
Further, described first clutch and second clutch are friction plate clutch, second platen is provided with the pretightning force making second clutch engage, and the first platen can overcome this pretightning force form linkage with the second platen and make second clutch separate and make first clutch engage；
Further, described clutch operating device also includes the clutch heart set that the input transmission with double clutch is equipped with, and the first platen and the second platen are all connected with clutch heart set in the way of the circumferencial direction transmission that slides axially and pretightning force is arranged between clutch heart set and the first platen or between clutch heart set and the second platen；
Further, described second platen is provided with guide pillar vertically, and guide pillar is connected through clutch heart set and the first platen are fixing, and pretightning force includes being arranged at the spring I between clutch heart set and the first platen or between clutch heart set and the second platen；
Further, described second platen is provided with guide pillar vertically, guide pillar passes clutch heart set and the second platen and is fixedly connected on a push-plate, and pretightning force includes the spring I being arranged between the first platen and push-plate and is arranged at the spring II between the first platen and clutch heart set；Described guide pillar is provided with the limited step for the first platen carries out axial limiting, and the coefficient of elasticity of spring I is more than the coefficient of elasticity of spring II；
Further, described first clutch includes the first movable friction plate being fixed on clutch heart set and the first static friction sheet coordinated with the first movable friction plate, and second clutch includes the second movable friction plate being fixed on clutch heart set and the second static friction sheet coordinated with the second movable friction plate；Described first clutch also includes fixing, with the first static friction sheet, the first clutch shell being connected, second clutch also includes fixing the second clutch shell being connected with the second static friction sheet, and first clutch shell and second clutch shell are coaxially disposed and first clutch shell is contained within second clutch shell；
Further, described Transaxle assembly also includes variator and differential mechanism, described variator includes case of transmission, power shaft and output shaft, described power shaft is rotatably equipped with driving gear I and driving gear II, and described output shaft transmission is equipped with driven gear I and driven gear II；Described power shaft is in transmission connection with the input of double clutch；Described driving gear I and driving gear II are in transmission connection with first clutch shell and second clutch shell respectively；
Further, described differential mechanism includes that differential casing and differential gear assembly and differential casing transmission are equipped with the differential gear for coordinating with output shaft transmission；The two ends, left and right of differential casing coordinated with differential spider wheel transmission are rotatably assorted respectively and are supported in case of transmission, and left half axle corresponding to the left sun gear of differential mechanism and right sun gear and right axle shaft are placed on differential casing for power is correspondingly outputting to revolver axle and right wheel axle in being rotatably assorted respectively coaxially.
The invention has the beneficial effects as follows: double clutch rear axle assys of the present invention, double-clutch power outfan outputs power to revolver axle and right wheel axle by Transaxle assembly, clutch operating device controls first clutch and alternately engages with second clutch or separate, therefore, in this double clutch rear axle assy, the control of double clutch can use the automatic control system of simple structure, even can realize Non-follow control, therefore double clutch rear axle assys of the present invention, at the bottom of cost, volume is little, lightweight, the scope of application of double clutch can be greatly enhanced, it is adapted for being equipped on electric motor car etc. small-sized, the vehicle that cost control is strict.
Accompanying drawing explanation
Below in conjunction withAccompanying drawingThe invention will be further described with embodiment:
Figure 1Structural representation for the present inventionFigure；
Figure 2Structural representation for the Transaxle of the present inventionFigure。
Detailed description of the invention
Figure 1Structural representation for the present inventionFigure,As schemedShow, double clutch rear axle assys of the present embodiment, including revolver axle 28, right wheel axle 26, double clutch and Transaxle assembly, double-clutch power outfan outputs power to revolver axle 28 and right wheel axle 26 by Transaxle assembly, double clutch includes first clutch, second clutch and clutch operating device, first clutch and second clutch control alternately to engage or separate by this clutch operating device, therefore, the control of this pair of clutch rear axle assy can use the automatic control system of simple structure, even use Non-follow control, the double clutch of the present embodiment, at the bottom of its cost, volume is little, lightweight, the scope of application of double clutch can be greatly enhanced, it is adapted for being equipped on electric motor car etc. small-sized, the vehicle that cost control is strict；
In the present embodiment, described clutch operating device includes the first platen 13 and the second platen 7, have between first platen 13 and the second platen 7 and be linked and for driving first clutch and second clutch alternately engage or separate, first clutch and second clutch can use all clutch configurations existing, such as friction plate clutch, jaw clutch etc., and make first clutch and second clutch engage or separate accordingly by the first platen 13 and the second platen 7, fixing connection or elastic connection can be used between first platen 13 and the second platen 7 thus formed and be linked, and then while the first platen 13 compresses, second platen 7 separates；Same, when the second platen 7 compresses, the first platen 13 separates, thus realizes first clutch and alternately engage with second clutch or separate.
In the present embodiment, described first clutch and second clutch are friction plate clutch, second platen 7 is provided with the pretightning force making second clutch engage, first platen 13 can overcome this pretightning force form linkage with the second platen 7 and make second clutch separate and make first clutch engage, the joint of friction plate clutch with separate be by compress or disengaging friction sheet realize, described pretightning force can use the flexible members such as spring to realize, so that second clutch often engages, first clutch often separates, and when promoting the first platen 13, first platen 13 can overcome this pretightning force to compress first clutch, simultaneously, it is linked owing to having between the first platen 13 and the second platen 7, realization is separated by the second platen 7, and then finally realize first clutch joint, first clutch separates.
In the present embodiment, described clutch operating device also includes the clutch heart set 5 that the input transmission with double clutch is equipped with, and the first platen 13 is all connected with clutch heart set 5 in the way of the circumferencial direction transmission that slides axially with the second platen 7 and pretightning force is arranged between clutch heart set 5 and the first platen 13 or between clutch heart set 5 and the second platen 7；The clutch heart overlaps 5 external cylindrical surfaces circumferentially arranged with spacer ring 10, first platen 13 and the second platen 7 are respectively in spacer ring 10 both sides vertically, first clutch is between spacer ring 10 and the first platen 13, second clutch is between spacer ring 10 and the second platen 7, owing to clutch heart set 5 is in transmission connection with the first platen 13 and the second platen 7, therefore, first platen 13 and the second platen 7 will overlap 5 with the clutch heart, elastic force can use compression spring or stretching spring, makes the secondth platen 7 press to spacer ring 10 in the case of not by external forces all the time and makes second clutch often engage.
In the present embodiment, described second platen 7 is provided with guide pillar 16 vertically, guide pillar 16 can be uniformly distributed multiple along the first platen 13 circumference, being correspondingly provided with via on clutch heart set 5, guide pillar 16 is fixed with the first platen 13 through clutch heart set 5 and is connected that (this fit form of first platen the 13, second platen 7 does not existsIn accompanying drawingIllustrate), pretightning force includes being arranged at the spring I 17 between clutch heart set 5 and the first platen 13 or between clutch heart set 5 and the second platen 7, if spring I 17 uses compression spring, then spring I 17 should be arranged between clutch heart set 5 and the first platen 13, if spring I 17 uses stretching spring, then spring I 17 should be arranged between clutch heart set 5 and the second platen 7.
In the present embodiment, first platen 13, following fit form can also be used: the second platen 7 is provided with guide pillar 16 vertically between second platen 7 and clutch heart set 5, guide pillar 16 is uniformly distributed multiple along the first platen 13 circumference, guide pillar 16 passes clutch heart set 5 and the second platen 7 and is fixedly connected on a push-plate 14, pretightning force includes the spring I 17 being arranged between the first platen 13 and push-plate 14 and is arranged at the spring II 19 between the first platen 13 and clutch heart set 5, spring I 17 and spring II 19 are compression spring herein, when push-plate 14 is not by external forces effect, push-plate 14 will be far from clutch heart set 5 under spring I 17 with the common effect of spring II 19 and moves, and then drive the second platen 7 presses to spacer ring 10 and makes second clutch often engage；First platen 13 also will be far from spacer ring 10 in the common effect of spring I 17 with spring II 19, makes first clutch often separate；When push-plate 14 is made it overlap 5 side shifting to the clutch heart by external forces, the second platen 7 will be far from spacer ring 10 and moves, makes second clutch separate；And spring II 19 is when being compressed to make the first platen 13 overcome the elastic force of spring I 17 to press to spacer ring 10 side, first clutch will be made to engage, in the present embodiment, push-plate 14 central rotatable connects a distribution 15, being axially moveable by manipulation distribution 15 to promote push-plate 14 to move axially in reciprocal fashion, thus control first clutch and separate with second clutch and joint, described guide pillar 16 is provided with the limited step 18 for the first platen 13 carries out axial limiting, the coefficient of elasticity of spring I 17 is more than the coefficient of elasticity of spring II 19, this limited step 18 ensure that when second clutch engages, second platen 7 is away from spacer ring 10, while guaranteeing that first clutch engages, second clutch separates；On the other hand, the coefficient of elasticity of spring I 17 is more than the coefficient of elasticity of spring II 19, when push-plate 14 push to the clutch heart overlap 5 time, it is ensured that the pressure of the first platen 13 can be made it overcome rapidly the elastic force of spring II 19 to make the first platen 13 compress first clutch and make it engage by spring I 17.
In the present embodiment, described first clutch includes the first movable friction plate 11 being fixed on clutch heart set 5 and the first static friction sheet 12 coordinated with the first movable friction plate 11, second clutch includes the second movable friction plate 8 being fixed on clutch heart set 5 and the second static friction sheet 9 coordinated with the second movable friction plate 8, first platen 13 can axially move and then compresses the first movable friction plate 11 and the first static friction sheet 12 and makes it engage, owing to the first movable friction plate 11 is fixed on clutch heart set 5, and clutch heart set 5 is in transmission connection with clutch input, therefore, power can be transferred to the first static friction sheet 12 by input after compressing by the first platen 13, final output, second platen 7 is as the same, again it is not repeated.nullDescribed first clutch also includes and the first fixing first clutch shell 6 being connected of static friction sheet 12，Second clutch also includes and the second fixing second clutch shell 4 being connected of static friction sheet 9，First clutch shell 6 and second clutch shell 4 are coaxially disposed and first clutch shell 6 is contained within second clutch shell 4，After first clutch engages，First clutch shell 6 will overlap 5 synchronous axial system with the clutch heart，First clutch shell 6 can be in transmission connection with outfan，And then output torque，Equally，Second clutch also can export torque by second clutch shell 4 after engaging，Again it is not repeated，First clutch shell 6 and second clutch shell 4 are coaxially disposed and first clutch shell 6 is contained within second clutch shell 4，This arrangement can significantly improve the compactedness of double clutch construction.
In the present embodiment, described Transaxle assembly also includes variator and differential mechanism, described variator includes case of transmission, power shaft 1 and output shaft 22, described power shaft 1 is rotatably equipped with driving gear I and driving gear II, and the transmission of described output shaft 22 is equipped with driven gear I and driven gear II；Described power shaft 1 is in transmission connection with the input of double clutch；Described driving gear I and driving gear II are in transmission connection with first clutch shell and second clutch shell respectively, when first clutch engages, driving gear I 3 is made to be in transmission connection with power shaft 11, now, transmission is engaged each other by driving gear I 3 and driven gear I 20 between power shaft 11 and output shaft 2222, when second clutch engages, driving gear II 2 is made to be in transmission connection with power shaft 11, now, engage each other transmission by driving gear II 2 and driven gear II 21 between power shaft 11 and output shaft 2222, thus realize gearshift.
In the present embodiment, described differential mechanism includes that differential casing 24 and differential gear assembly and differential casing 24 transmission are equipped with the differential gear 23 for coordinating with output shaft 22 transmission；The two ends, left and right of differential casing 24 coordinated with differential spider wheel transmission are rotatably assorted respectively and are supported in case of transmission, and left half axle corresponding to the left sun gear 27 of differential mechanism and right sun gear 25 and right axle shaft are placed on differential casing 24 for power is correspondingly outputting to revolver axle 28 and right wheel axle 26 in being rotatably assorted respectively coaxially.
Finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to preferred embodiment, it will be understood by those within the art that, technical scheme can be modified or equivalent, without deviating from objective and the scope of technical solution of the present invention, it all should be contained in the middle of scope of the presently claimed invention.
Claims (9)
1. a double clutch rear axle assy, it is characterized in that: include revolver axle, right wheel axle, double clutch and Transaxle assembly, described double-clutch power outfan outputs power to revolver axle and right wheel axle by Transaxle assembly, described double clutch includes that first clutch, second clutch and clutch operating device, described first clutch and second clutch control alternately to engage or separate by this clutch operating device.
2.According to claimDouble clutch rear axle assys described in 1, it is characterised in that: described clutch operating device includes the first platen and the second platen, has and be linked and for driving first clutch and second clutch alternately engage or separate between described first platen and the second platen.
3.According to claimDouble clutch rear axle assys described in 2, it is characterized in that: described first clutch and second clutch are friction plate clutch, second platen is provided with the pretightning force making second clutch engage, and the first platen can overcome this pretightning force form linkage with the second platen and make second clutch separate and make first clutch engage.
4.According to claimDouble clutch rear axle assys described in 3, it is characterized in that: described clutch operating device also includes the clutch heart set that the input transmission with double clutch is equipped with, described first platen and the second platen are all connected with clutch heart set in the way of the circumferencial direction transmission that slides axially and described pretightning force is arranged between clutch heart set and the first platen or between clutch heart set and the second platen.
5.According to claimDouble clutch rear axle assys described in 4, it is characterized in that: described second platen is provided with guide pillar vertically, described guide pillar is connected through clutch heart set and the first platen are fixing, and described pretightning force includes being arranged at the spring I between clutch heart set and the first platen or between clutch heart set and the second platen.
6.According to claimDouble clutch rear axle assys described in 4, it is characterised in that: described second platen is provided with guide pillar vertically, and described guide pillar passes clutch heart set and the second platen and is fixedly connected on a push-plate；Described pretightning force includes the spring I being arranged between the first platen and push-plate and is arranged at the spring II between the first platen and clutch heart set, described guide pillar is provided with the limited step for the first platen carries out axial limiting, and the coefficient of elasticity of described spring I is more than the coefficient of elasticity of spring II.
7.According to claimDouble clutch rear axle assys described in 4, it is characterised in that: described first clutch includes the first movable friction plate being fixed on clutch heart set and the first static friction sheet coordinated with the first movable friction plate；Described second clutch includes the second movable friction plate being fixed on clutch heart set and the second static friction sheet coordinated with the second movable friction plate；Described first clutch also includes fixing, with the first static friction sheet, the first clutch shell being connected；Described second clutch also includes fixing, with the second static friction sheet, the second clutch shell being connected；Described first clutch shell and second clutch shell are coaxially disposed and first clutch shell is contained within second clutch shell.
8.According to claimDouble clutch rear axle assys described in 7, it is characterized in that: described Transaxle assembly also includes variator and differential mechanism, described variator includes case of transmission, power shaft and output shaft, described power shaft is rotatably equipped with driving gear I and driving gear II, and described output shaft transmission is equipped with driven gear I and driven gear II；Described power shaft is in transmission connection with the input of double clutch；Described driving gear I and driving gear II are in transmission connection with first clutch shell and second clutch shell respectively.
9.According to claimDouble clutch rear axle assys described in 8, it is characterised in that: described differential mechanism includes that differential casing and differential gear assembly and differential casing transmission are equipped with the differential gear for coordinating with described output shaft transmission；The two ends, left and right of differential casing coordinated with differential spider wheel transmission are rotatably assorted respectively and are supported in case of transmission, and left half axle corresponding to the left sun gear of differential mechanism and right sun gear and right axle shaft are placed on differential casing for power is correspondingly outputting to described revolver axle and right wheel axle in being rotatably assorted respectively coaxially.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799278.XA CN105835694B (en) | 2014-12-18 | 2014-12-18 | Double clutch rear axle assys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799278.XA CN105835694B (en) | 2014-12-18 | 2014-12-18 | Double clutch rear axle assys |
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| Publication Number | Publication Date |
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| CN105835694A true CN105835694A (en) | 2016-08-10 |
| CN105835694B CN105835694B (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410799278.XA Active CN105835694B (en) | 2014-12-18 | 2014-12-18 | Double clutch rear axle assys |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120392A (en) * | 2017-06-24 | 2017-09-01 | 重庆隆旺机电有限责任公司 | Double-clutch speed changer |
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| CA1182060A (en) * | 1981-04-14 | 1985-02-05 | Allis-Chalmers Corporation | Hydraulic and spring actuated double clutch |
| CN101204925A (en) * | 2006-12-19 | 2008-06-25 | 比亚迪股份有限公司 | Electric motor vehicle driving system |
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| KR20120138193A (en) * | 2011-06-14 | 2012-12-24 | 현대자동차주식회사 | Two-step transmission unit for electric vehicle |
| CN103010016A (en) * | 2012-12-07 | 2013-04-03 | 重庆隆旺机电有限责任公司 | Rear axle driving assembly for electrocar |
| CN103775532A (en) * | 2012-10-17 | 2014-05-07 | 舍弗勒技术股份两合公司 | Inline clutch having middle contact pin |
| CN204526817U (en) * | 2014-12-18 | 2015-08-05 | 重庆隆旺机电有限责任公司 | The two clutch back axle assembly of coordinated type |
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2014
- 2014-12-18 CN CN201410799278.XA patent/CN105835694B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1182060A (en) * | 1981-04-14 | 1985-02-05 | Allis-Chalmers Corporation | Hydraulic and spring actuated double clutch |
| CN101204925A (en) * | 2006-12-19 | 2008-06-25 | 比亚迪股份有限公司 | Electric motor vehicle driving system |
| CN101574925A (en) * | 2009-05-31 | 2009-11-11 | 吉林大学 | Automobile double clutch type automatic gearbox transmission device |
| KR20120138193A (en) * | 2011-06-14 | 2012-12-24 | 현대자동차주식회사 | Two-step transmission unit for electric vehicle |
| CN103775532A (en) * | 2012-10-17 | 2014-05-07 | 舍弗勒技术股份两合公司 | Inline clutch having middle contact pin |
| CN103010016A (en) * | 2012-12-07 | 2013-04-03 | 重庆隆旺机电有限责任公司 | Rear axle driving assembly for electrocar |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107120392A (en) * | 2017-06-24 | 2017-09-01 | 重庆隆旺机电有限责任公司 | Double-clutch speed changer |
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| CN105835694B (en) | 2018-10-19 |
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