CN102678849A - Hybrid transmission - Google Patents
Hybrid transmission Download PDFInfo
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- CN102678849A CN102678849A CN2012101739609A CN201210173960A CN102678849A CN 102678849 A CN102678849 A CN 102678849A CN 2012101739609 A CN2012101739609 A CN 2012101739609A CN 201210173960 A CN201210173960 A CN 201210173960A CN 102678849 A CN102678849 A CN 102678849A
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- input shaft
- gear
- power source
- output shaft
- free
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Abstract
The invention relates to the field of transmissions and discloses a hybrid transmission for simplifying processing and reducing manufacturing cost. The hybrid transmission comprises a transmission shell, wherein an input shaft and an output shaft which are parallel to each other are fixed in the transmission shell, the input shaft comprises a first input shaft and a second input shaft, the first input shaft is connected with a first power source, the second input shaft is connected with a second power source, a gear is respectively sleeved on the first input shaft, the second input shaft and the output shaft, the gears on the first input shaft and the second input shaft are in meshed connection with the gear on the output shaft, the first input shaft is driven by the first power source to drive the output shaft to output power or the second input shaft is driven by the second power source to drive the output shaft to output power. The hybrid transmission is used for gear shifting of an automobile.
Description
Technical field
The present invention relates to the speed changer field, relate in particular to a kind of hybrid gearbox of automotive field.
Background technique
Automobile according to the needs of driver or road conditions, like starting, acceleration, upward slope etc., often need utilize the shift of transmission speed change, to adapt to the driving conditions of frequent variation in the process of moving.
There is temporary transient power interruption problem in existing technology during owing to shifting of transmission in the automobile variable speed process, this interruption can make automobilism speed not steady, will make the driver feel uncomfortable.Solving the way of speed changer power interruption, is except that the engine power source, also on speed changer, to increase a power source (being called for short second power source).The engine power source and second power source are formed hybrid power source, when the lazy-tongs of speed changer switch gear, are matched by two power sources, and two power compensations between the gear are provided, and keep the continuity of power.
At present, second power source of increase is arranged on the cover of one on speed changer pto transmission device, by it power compensation on transmission output shaft is provided.
Because second power source is arranged on the output shaft of speed changer; To make like this loads on the output shaft increases the weight of, and interior space is limited, also will make arrangement of gears limited; Simultaneously; Also make length increase, the complex structure of output shaft, thereby cause the output shaft processing more complicated of speed changer, manufacture cost problem of higher.
Summary of the invention
Embodiments of the invention provide a kind of hybrid gearbox, can simplify processing, reduce manufacture cost.
For achieving the above object, embodiments of the invention adopt following technological scheme:
A kind of hybrid gearbox comprises case of transmission, and said case of transmission internal fixation has input shaft and the output shaft that is parallel to each other; Said input shaft comprises first input shaft; Said first input shaft is connected with first power source, all is arranged with gear on said first input shaft and the said output shaft, it is characterized in that; Said input shaft also comprises second input shaft; Be arranged with gear on said second input shaft, the gear on said first input shaft and said second input shaft is connected with the gear engagement on the said output shaft, and said second input shaft is connected with second power source; Drive said output shaft outputting power by said first input shaft of said first drive power source, or drive said output shaft outputting power by said second input shaft of said second drive power source.
Further, be arranged with free gear and/or at least one rigidly connected fixed gear of at least one empty cover on said second input shaft.
Wherein, be set with two free gears on said second input shaft, be provided with lazy-tongs between said two free gears, said lazy-tongs combine with adjacent said free gear or when separating, said free gear combines with said second input shaft or separates.
Said second power source is engine power source, electrical power source or hydraulic power supply.
Said first input shaft and the coaxial setting of said second input shaft.
Further, an end of said second input shaft is nested with an end of said first input shaft and pass through bearings.
In addition, said hybrid gearbox is connected with differential mechanism, is provided with the differential mechanism output shaft in the said differential mechanism; Said output shaft is provided with differential gear, the gear ring engagement on said differential gear and the said differential mechanism output shaft.
Be set with two the adjacent free gears and two the adjacent fixed gears that are rigidly connected on said first input shaft; And be provided with lazy-tongs between said two adjacent free gears; Said lazy-tongs combine with adjacent said free gear or when separating, said free gear combines with said first input shaft or separates.
Wherein, said first power source is the engine power source.
The hybrid gearbox that the embodiment of the invention provides, said first input shaft connects first power source, and said second input shaft connects second power source; When automobile is advanced with certain speed, drive the running of said output shaft by said first input shaft of said first drive power source, thereby corresponding driving power is provided for automobile; When automobile need carry out shift speed change, before promptly lazy-tongs break away from current gear switch to new gear, start said second power source; Rotate and drive said output shaft running by said second input shaft of said second drive power source, thereby for automobile provides corresponding driving power, promptly the power of this moment is from said second power source; By the time after said lazy-tongs combine with new gear to accomplish; Close second driving source, then the power behind the automobile gear shift will still be provided by said first power source, is therefore cooperatively interacted by first power source and second power source; The power compensation of power interruption when having accomplished automobile gear shift, and then realized that automobile goes with power more stably.Because second power source of hybrid gearbox of the present invention is connected with second input shaft that is provided with separately, rather than directly is connected with output shaft, so on the basis that needn't increase output shaft length, realized power compensation, has alleviated the load on the output shaft; Owing to separately second input shaft is provided, also make the arrangement of gears on it more flexible, therefore, hybrid gearbox provided by the invention can make manufacture simplification, reduces manufacture cost.
Description of drawings
Fig. 1 is the layout chart of the hybrid gearbox of the embodiment of the invention;
Fig. 2 is each space layout figure in the hybrid gearbox shown in Figure 1.
Reference character:
1-first power source; The 2-clutch; 3-second power source; 4-first input shaft; 5-second input shaft; The 6-output shaft; 7-differential mechanism output shaft; 8,9,14,15,18,19,20-fixed gear; 10,11,12,13,16,17-free gear; The 21-gear ring; The 22-differential mechanism; 23,24,25-lazy-tongs.
Embodiment
Below in conjunction with accompanying drawing embodiment of the invention hybrid gearbox is described in detail.
As shown in Figure 1; Be a specific embodiment of hybrid gearbox of the present invention, in the present embodiment, said hybrid gearbox comprises case of transmission (not shown); Said case of transmission internal fixation has input shaft and the output shaft 6 that is parallel to each other; Said input shaft comprises first input shaft 4, and said first input shaft 4 is connected with first power source 1, all is arranged with gear on said first input shaft 4 and the said output shaft 6; Wherein said input shaft also comprises second input shaft 5; Be arranged with gear on said second input shaft 5, the gear on said first input shaft 4 and said second input shaft 5 is connected with the gear engagement on the said output shaft 6, and said second input shaft 5 is connected with second power source 3; Drive said first input shaft 4 by said first power source 1 and drive said output shaft 6 outputting powers, or drive said output shaft 6 outputting powers of said second input shaft, 5 drives by said second power source 3.
The hybrid gearbox that the embodiment of the invention provides, said first input shaft 4 connects first power source 1, and said second input shaft 5 connects second power source 3; When automobile is advanced with certain speed, drive said first input shaft 4 by said first power source 1 and drive 6 runnings of institute's output shafts of addressing, thereby corresponding driving power is provided for automobile; When automobile need carry out shift speed change; Be before lazy-tongs break away from current gear switch to new gear, to start said second power source 3, drive said second input shaft 5 by said second power source 3 and rotate and drive said output shaft 6 runnings; Thereby for automobile provides corresponding driving power; Promptly this moment power from said second power source 3, wait until said lazy-tongs combine with new gear the completion after, close second driving source 3; Then the power behind the automobile gear shift will still be provided by said first power source 1; Therefore cooperatively interact by first power source 1 and second power source 3, the power compensation of power interruption when having accomplished automobile gear shift, and then realized that automobile goes with power more stably.Because second power source 3 of hybrid gearbox of the present invention is connected with second input shaft 5 that is provided with separately; Rather than directly be connected with output shaft 6; So on the basis that needn't increase output shaft 6 length, realized power compensation, alleviated the load on the output shaft 6; Owing to separately second input shaft 5 is provided, also make the arrangement of gears on it more flexible, therefore, hybrid gearbox provided by the invention can make manufacture simplification, reduces manufacture cost.Wherein, In an embodiment of the present invention; Sheathed gear can be provided with flexibly on second input shaft 5 on the said hybrid gearbox, is arranged with free gear and/or at least one rigidly connected fixed gear of at least one empty cover on promptly said second input shaft 5.Because the speed changer of automobile is that the gear that first power source 1 provides includes plural at least gear now; Therefore when shift speed change, just needing automotive transmission like this is that the gear that second power source 3 provides can produce and the corresponding speed ratio of first power source, 1 gear, need carry out respective combination to the gear on second input shaft 5 and dispose and satisfy this requirement.
For example, can on said second input shaft 5, be set with two free gears, see free gear 16 and free gear 17 among Fig. 1; Be provided with lazy-tongs 25 between said free gear 16 and the free gear 17; When said lazy-tongs 25 combined with said free gear 16, said free gear 16 combined with said second input shaft 5, drove said free gear 16 by said lazy-tongs 25 and rotated; Drive fixed gear 18 by free gear 16 again and rotate, promptly form a gear of second power source 3; When said lazy-tongs 25 combine with said free gear 17; Said free gear 17 combines with said second input shaft 5; Drive said free gear 17 by said lazy-tongs 25 and rotate, drive fixed gear 19 by free gear 17 again and rotate, promptly form two gears of second power source 3; The power compensation that can two gears are provided for first power source 1 like this makes the driver in the gearshift traveling process, feel more comfortable.In addition, in the time need not using an above-mentioned gear, said lazy-tongs 25 separate with said free gear 16, and said free gear 16 separates with said second input shaft 5; In the time need not using two above-mentioned gears, said lazy-tongs 25 separate with said free gear 17, and said free gear 17 separates with said second input shaft 5.
Need to prove that said second power source 3 can be engine power source, electrical power source or hydraulic power supply, preferred electrical power source.
As a kind of improvement,,, can further save the space in the hybrid gearbox like this with said first input shaft 4 and the 5 coaxial settings of said second input shaft referring to Fig. 1 or shown in Figure 2 to the embodiment of the invention.Particularly, an end of said second input shaft 5 is nested with an end of said first input shaft 4 and pass through bearings, has so both saved the space in the hybrid gearbox, makes layout and more reasonable structure in the hybrid gearbox again.
Simultaneously; Said hybrid gearbox also is connected with differential mechanism 22; The output shaft 6 of said hybrid gearbox is provided with differential gear; Said differential gear is seen the fixed gear 20 among Fig. 1, and gear ring 21 engagements on this fixed gear 20 and the said differential mechanism output shaft 7 make hybrid gearbox and differential mechanism combine like this.
Further specify; Hybrid gearbox as shown in Figure 1; 4 are set with two adjacent free gears 10 and free gear 11 on said first input shaft, and are provided with also be rigidly connected on lazy-tongs 24, the first input shafts 4 two adjacent fixed gears 8 and fixed gear 9 between free gear 10 and the free gear 11; Simultaneously; Be set with two adjacent free gears 12 and free gear 13 on the said output shaft 6, and be provided with lazy-tongs 23 between free gear 12 and the free gear 13, two adjacent fixed gears 14 and fixed gear 15 also are rigidly connected on the output shaft 6.When the lazy-tongs on the output shaft 6 23 combine with free gear 12, drive free gear 12 by fixed gear 8 and rotate, drive lazy-tongs 23 by free gear 12 again and rotate, promptly form a gear of first power source 1; When the lazy-tongs on the output shaft 6 23 combine with free gear 13, drive free gear 13 by fixed gear 9 and rotate, drive lazy-tongs 23 by free gear 13 again and rotate, promptly form two gears of first power source 1; When the lazy-tongs 24 on first input shaft 4 combine with free gear 10, drive free gear 10 by lazy-tongs 23 and rotate, free gear 10 drives fixed gear 14 again and rotates, and promptly forms three gears of first power source 1; When lazy-tongs 24 combine with free gear 11, drive free gear 11 by lazy-tongs 23 and rotate, free gear 11 drives fixed gear 15 again and rotates, and promptly forms the fourth gear position of first power source 1.At this moment; When automobile carried out shift speed change, second power source 3 can be arranged to two gears, and four gears with first power source 1 are complementary respectively; Can utilize one grade of second power source 3 cooperate between one grade of first power source 1 and the second gear, the power compensation between second gear and the third gear; Can utilize the second gear of second power source 3 to cooperate the third gear of first power source 1 and the power compensation between the fourth gear, can make the power compensation effect better like this, automobile running is more stable.Need to prove that the number of gear of the number of gear of said first power source 1 and second power source 3 is all unrestricted.
This explanation be, in every pair of meshed gears group on first input shaft 4, second input shaft 5, output shaft 6 and differential mechanism output shaft 7, each gear all be through bearings on its place axle.Wherein, first power source 1 can combine with first input shaft 4 through clutch 2, and said first power source 1 can be the engine power source.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by said protection domain with claim.
Claims (9)
1. a hybrid gearbox comprises case of transmission, and said case of transmission internal fixation has input shaft and the output shaft that is parallel to each other; Said input shaft comprises first input shaft; Said first input shaft is connected with first power source, all is arranged with gear on said first input shaft and the said output shaft, it is characterized in that; Said input shaft also comprises second input shaft; Be arranged with gear on said second input shaft, the gear on said first input shaft and said second input shaft is connected with the gear engagement on the said output shaft, and said second input shaft is connected with second power source; Drive said output shaft outputting power by said first input shaft of said first drive power source, or drive said output shaft outputting power by said second input shaft of said second drive power source.
2. hybrid gearbox according to claim 1 is characterized in that, is arranged with free gear and/or at least one rigidly connected fixed gear of at least one empty cover on said second input shaft.
3. hybrid gearbox according to claim 2; It is characterized in that; Be set with two free gears on said second input shaft; Be provided with lazy-tongs between said two free gears, said lazy-tongs combine with adjacent said free gear or when separating, said free gear combines with said second input shaft or separates.
4. according to claim 1,2 or 3 described hybrid gearboxes, it is characterized in that said second power source is engine power source, electrical power source or hydraulic power supply.
5. according to claim 1,2 or 3 described hybrid gearboxes, it is characterized in that said first input shaft and the coaxial setting of said second input shaft.
6. hybrid gearbox according to claim 5 is characterized in that, an end of said second input shaft is nested with an end of said first input shaft and pass through bearings.
7. according to claim 1,2 or 3 described hybrid gearboxes, it is characterized in that said hybrid gearbox is connected with differential mechanism, be provided with the differential mechanism output shaft in the said differential mechanism;
Said output shaft is provided with differential gear, the gear ring engagement on said differential gear and the said differential mechanism output shaft.
8. according to claim 1,2 or 3 described hybrid gearboxes; It is characterized in that; Be set with two the adjacent free gears and two the adjacent fixed gears that are rigidly connected on said first input shaft; And be provided with lazy-tongs between said two adjacent free gears, said lazy-tongs combine with adjacent said free gear or when separating, said free gear combines with said first input shaft or separates.
9. hybrid gearbox according to claim 8 is characterized in that, said first power source is the engine power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101739609A CN102678849A (en) | 2012-05-30 | 2012-05-30 | Hybrid transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101739609A CN102678849A (en) | 2012-05-30 | 2012-05-30 | Hybrid transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102678849A true CN102678849A (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101739609A Pending CN102678849A (en) | 2012-05-30 | 2012-05-30 | Hybrid transmission |
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| Country | Link |
|---|---|
| CN (1) | CN102678849A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148172A (en) * | 2013-02-27 | 2013-06-12 | 崔莹泉 | Two-shaft type dynamic coupling transmission |
| CN103174803A (en) * | 2013-03-11 | 2013-06-26 | 郑浩 | Flexible transmission gearbox |
| CN103185127A (en) * | 2013-02-27 | 2013-07-03 | 崔莹泉 | Split-type transmission driving shaft |
| CN103185111A (en) * | 2013-02-27 | 2013-07-03 | 崔莹泉 | Flexible-drive transmission |
| CN106696673A (en) * | 2017-01-23 | 2017-05-24 | 重庆蓝黛动力传动机械股份有限公司 | Hybrid power vehicle speed changing structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007001487A (en) * | 2005-06-24 | 2007-01-11 | Toyota Motor Corp | Driving device for vehicle |
| CN101927695A (en) * | 2009-06-24 | 2010-12-29 | 同济大学 | Structure-optimized active transmission device for vehicle |
| CN102303522A (en) * | 2011-07-26 | 2012-01-04 | 同济大学 | Triaxial type active transmission device of automobile |
| CN102336136A (en) * | 2011-09-21 | 2012-02-01 | 同济大学 | Active transmission device of transversely-placed front-wheel drive vehicle |
-
2012
- 2012-05-30 CN CN2012101739609A patent/CN102678849A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007001487A (en) * | 2005-06-24 | 2007-01-11 | Toyota Motor Corp | Driving device for vehicle |
| CN101927695A (en) * | 2009-06-24 | 2010-12-29 | 同济大学 | Structure-optimized active transmission device for vehicle |
| CN102303522A (en) * | 2011-07-26 | 2012-01-04 | 同济大学 | Triaxial type active transmission device of automobile |
| CN102336136A (en) * | 2011-09-21 | 2012-02-01 | 同济大学 | Active transmission device of transversely-placed front-wheel drive vehicle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148172A (en) * | 2013-02-27 | 2013-06-12 | 崔莹泉 | Two-shaft type dynamic coupling transmission |
| CN103185127A (en) * | 2013-02-27 | 2013-07-03 | 崔莹泉 | Split-type transmission driving shaft |
| CN103185111A (en) * | 2013-02-27 | 2013-07-03 | 崔莹泉 | Flexible-drive transmission |
| CN103174803A (en) * | 2013-03-11 | 2013-06-26 | 郑浩 | Flexible transmission gearbox |
| CN106696673A (en) * | 2017-01-23 | 2017-05-24 | 重庆蓝黛动力传动机械股份有限公司 | Hybrid power vehicle speed changing structure |
| CN106696673B (en) * | 2017-01-23 | 2023-02-21 | 蓝黛科技集团股份有限公司 | Speed change structure of hybrid power vehicle |
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Application publication date: 20120919 |