CN201925432U - Independent variable-speed driving system - Google Patents
Independent variable-speed driving system Download PDFInfo
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- CN201925432U CN201925432U CN2010206155573U CN201020615557U CN201925432U CN 201925432 U CN201925432 U CN 201925432U CN 2010206155573 U CN2010206155573 U CN 2010206155573U CN 201020615557 U CN201020615557 U CN 201020615557U CN 201925432 U CN201925432 U CN 201925432U
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Abstract
The utility model belongs to the technical field of continuously variable transmissions and particularly relates to an independent variable-speed driving system. The independent variable-speed driving system comprises an input shaft, a variable speed mechanism, a brake disc and an output shaft, wherein the brake disc is connected with the output shaft; and the variable speed mechanism comprises a first differential mechanism, a second differential mechanism, a locking coupler, a buffer clutch and a flywheel, wherein the input shaft is in transmission connection with the first differential mechanism, the first differential mechanism is connected with the second differential mechanism, the second differential mechanism is connected with the locking coupler, and the locking coupler and the flywheel are connected with the buffer clutch, and the output shaft is connected with the locking coupler. The independent variable-speed driving system has the advantages of simple structure, small volume, high practicability and high economic benefit, meanwhile, not only the speed ratio of the input shaft and the output shaft can be automatically adjusted according to the actual working conditions, but also the energy consumed during the braking or emergency stop of the automobile can be effectively stored, and the stored energy can be effectively utilized when the automobile restarts or accelerates after idling, so that the energy consumption during the restart of the automobile after emergency stop or temporary stop is greatly reduced.
Description
Technical field
The present invention relates to the stepless speed variator technical field, refer in particular to a kind of independent variable speed drive system.
Background technique
Speed changer mainly is divided into manual transmission and automatic transmission according to gear shift mode, can be divided into step change transmission and stepless speed variator according to number of steps of speeds.
Traditional manual transmission is widely used in various variable transmission mechanisms already, manual transmission generally all needs engagement clutch to use together, in service at variable transmission mechanism, need cut off the variable speed operation that to realize speed changer with binding operation to clutch, for example in the shift process of automobile, the driver cuts off and is bad in conjunction with cooperating with the action of engage a gear on opportunity of clutch, causes engine misses easily, perhaps the engage a gear shakiness causes the heavy wear of clutch.
Automatic transmission can make automobile obtain good power character and fuel economy according to engine load and the automatic conversion velocity ratio of vehicle speed condition, and reduces the exhaust emission of motor.
Gearbox with automobile is an example, the automatic transmission of prior art is according to car speed, factor such as engine speed, living load is carried out the lifting gear automatically, do not need to shift gears by driver's operated clutch, automatic transmission is complicated more a lot of than manual transmission, have a lot of aspects inequality, but very big difference is the control aspect.Manual transmission is by the pilot control gear, and shift-up or downshift are by manual operation, and automatic transmission is to control gear automatically by machine, and the conversion gear is undertaken by hydraulic control device.The SC sigmal control lifting shelves that hydraulic control device is sent here according to closure (throttle) aperture and transmission output shaft.Change according to throttle opening, the modulating valve in the hydraulic control device produces with accelerator pedal and measures the hydraulic pressure that is directly proportional down, and this hydraulic pressure is added to hydraulic control device as the throttle opening signal; There is the governor pressure valve that is assemblied on the output shaft can produce the hydraulic pressure that is directly proportional with rotating speed (speed of a motor vehicle) in addition, is added to hydraulic control device as vehicle speed signal.Therefore, throttle opening signal and vehicle speed signal are just arranged, hydraulic control device is regulated speed changer oil mass (gear) automatically according to these two signals, thus control gearshift opportunity.Driver's (gas pedal) to put one's foot down in car steering, the control throttle opening is the interior hydraulic control device of energy automatic control of transmission just, hydraulic control device can utilize fluid power to remove to control the clutch and the break of epicyclic gear system, to change planetary drive state, if electronic automatic transmission will increase solenoid valve on the basis of the above.ECU (Electrical Control Unit) is by electromagnetic valve automatic transmission working procedure.The ECU input circlult is accepted the signal of sensor and other device inputs, and signal is carried out filtration treatment and amplification, converts the work that electrical signal drives controlled solenoid valve then to.Yet the speed changer volume of this kind structure is big, mechanism is complicated, Heavy Weight, maintenance expenses high and cause the defective of such speed changer particularly evident.In addition, braking automobile or anxious stopping time, the heat energy that the kinetic energy of automobile produces when changing into clutch brake and having lost, when automobile restarts again, often need to consume more energy and make automobile starting or acceleration, clutch also can produce certain heat energy during startup, thereby causes the automobile energy consumption higher.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of simple in structure, independent variable speed drive system that volume is little, this independent variable speed drive system both can have been regulated the rotating ratio of input shaft and output shaft automatically according to practical working situation, can effectively store the energy of braking automobile or anxious stopping time automobile again, and after auto idle speed, restart or can effectively utilize when quickening the energy of storage.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme: independent variable speed drive system, comprise input shaft, gear, brake disc and output shaft, brake disc is connected with output shaft, described gear comprises first box of tricks, second box of tricks, coupler, buffering clutch and flywheel that can be sealed, the input shaft and first box of tricks are in transmission connection, first box of tricks is connected with second box of tricks, second box of tricks is connected with coupler, coupler and flywheel are connected with the buffering clutch, and output shaft is connected with coupler.
Wherein, described coupler comprises first coupling wheel and second coupling wheel; Described second box of tricks comprises the 3rd sun gear, second planetary wheel carrier, ring gear and is arranged at second planetary pinion of second planetary wheel carrier that the 3rd sun gear and ring gear all are connected with a joggle with second planetary pinion; First box of tricks is connected with the 3rd sun gear, and second planetary wheel carrier is connected with first coupling wheel, and the second coupling wheel and flywheel all are connected with the buffering clutch; The second coupling wheel is connected with output shaft, and ring gear is connected with flywheel.
Preferably, described first box of tricks comprises first sun gear, first planetary wheel carrier, second sun gear and is arranged at first planetary pinion of first planetary wheel carrier that first sun gear and second sun gear all are connected with a joggle with first planetary pinion; The described input shaft and first planetary wheel carrier are in transmission connection, and first sun gear is connected with output shaft, and second sun gear is connected with the 3rd sun gear.
Wherein, described input shaft is provided with driving gear, and first planetary wheel carrier is provided with external toothing, and driving gear and external toothing are connected with a joggle.
Wherein, described first sun gear, second sun gear and first planetary pinion are bevel gear; Described first planetary wheel carrier is provided with the bevel planet gear axle, and the first planetary pinion pivot bush unit is in this bevel planet gear axle.
Another is preferred, and described first box of tricks comprises first sun gear, first planetary wheel carrier, second sun gear and be arranged at first planetary pinion of first planetary wheel carrier that first sun gear and second sun gear all are connected with a joggle with first planetary pinion; Described input shaft is connected with first sun gear, and first planetary wheel carrier is connected with output shaft, and second sun gear is connected with the 3rd sun gear.
Wherein, described first sun gear is first external gear, and second sun gear is a secondary annulus, and first planetary pinion is a straight toothed spur gear; First planetary wheel carrier is provided with the straight-tooth wheel shaft, and straight toothed spur gear is socketed on this straight-tooth wheel shaft.
Beneficial effect of the present invention is: the invention provides a kind of independent variable speed drive system, comprise input shaft, gear, brake disc and output shaft, brake disc is connected with output shaft, described gear comprises first box of tricks, second box of tricks, coupler, buffering clutch and flywheel that can be sealed, the input shaft and first box of tricks are in transmission connection, first box of tricks is connected with second box of tricks, second box of tricks is connected with coupler, and coupler and flywheel are connected with the buffering clutch.Independent variable speed drive system of the present invention simple in structure, volume is little; both can regulate the rotating ratio of input shaft and output shaft according to practical working situation automatically; can effectively store the energy of braking automobile or anxious stopping time automobile again; and after auto idle speed, restart or can effectively utilize when quickening the energy of storage; greatly reduce automobile anxious stop or suspend after the energy consumption that restarts; practical, the economic benefit height.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the invention one.
Fig. 2 is the stereochemical structure decomposing schematic representation of the embodiment of the invention one.
Fig. 3 is second sun gear of the embodiment of the invention one and the perspective view of the 3rd sun gear part.
Fig. 4 is the cross-sectional view of the embodiment of the invention one.
Fig. 5 is the cross-sectional view of the embodiment of the invention two.
Fig. 6 is the cross-sectional view of the embodiment of the invention three.
Fig. 7 is the cross-sectional view of the embodiment of the invention four.
Embodiment
For the ease of those skilled in the art's understanding, the present invention is further illustrated below in conjunction with embodiment and accompanying drawing, and the content that mode of execution is mentioned not is a limitation of the invention.
Be the embodiment one of independent variable speed drive system of the present invention as shown in Figures 1 to 4, comprise input shaft 1, gear, brake disc 2 and output shaft 3, brake disc 2 is connected with output shaft 3, it is characterized in that: described gear comprises first box of tricks, second box of tricks, coupler that can be sealed, buffering clutch 4 and flywheel 5, the input shaft 1 and first box of tricks are in transmission connection, first box of tricks is connected with second box of tricks, second box of tricks is connected with coupler, coupler and flywheel 5 are connected with buffering clutch 4, and output shaft 3 is connected with coupler.
The described coupler of present embodiment one comprises first coupling wheel, 6 and second coupling wheel 7; Second planetary pinion, 11, the three sun gears 8 and ring gear 10 that described second box of tricks comprises the 3rd sun gear 8, second planetary wheel carrier 9, ring gear 10 and is arranged at second planetary wheel carrier 9 all are connected with a joggle with second planetary pinion 11; First box of tricks is connected with the 3rd sun gear 8, and second planetary wheel carrier 9 is connected with first coupling wheel 6, and second coupling wheel 7 and flywheel 5 all are connected with buffering clutch 4; Second coupling wheel 7 is connected with output shaft 3, and ring gear 10 is connected with flywheel 5.
First planetary pinion, 15, the first sun gears 12 and second sun gear 14 that described first box of tricks of present embodiment one comprises first sun gear 12, first planetary wheel carrier 13, second sun gear 14 and is arranged at first planetary wheel carrier 13 all are connected with a joggle with first planetary pinion 15; The described input shaft 1 and first planetary wheel carrier 13 are in transmission connection, and first sun gear 12 is connected with output shaft 3, and second sun gear 14 is connected with the 3rd sun gear 8.
The described input shaft 1 of present embodiment one is provided with driving gear 16, the first planetary wheel carriers 13 and is provided with external toothing 17, and driving gear 16 is connected with a joggle with external toothing 17.
When automobile is in neutral gear position, coupler is a locked state, buffering clutch 4 is in the transmission separated state, the input shaft 1 that rotates drives first planetary wheel carrier 13 and rotates, because automobile is in neutral gear position, automobile is not run, and output shaft 3 does not change, and then first planetary wheel carrier 13 drives second sun gear 14 and 8 rotations of the 3rd sun gear; Because coupler is a locked state, buffering clutch 4 is in the transmission separated state, so the time first coupling wheel 6, second coupling wheel 7 and second planetary wheel carrier 9 all do not change, the 3rd sun gear 8 drives first planetary pinion 15 and rotates, rotate thereby drive the 3rd sun gear 8, flywheel 5 rotates under the effect of the 3rd sun gear 8.
During vehicle starting, gently lift brake, coupler is removed sealed, cushions clutch 4 and is in half-clutch state, and flywheel 5 is passed to second coupling wheel 7 with kinetic energy through buffering clutch 4 on the one hand, and drive output shaft 3 begins to rotate; On the other hand, the beginning under the effect of second coupling wheel 7 of first coupling wheel is slowly rotated, and quickens gradually; Again on the one hand, because the speed discrepancy of the 3rd sun gear 8 and first planetary wheel carrier 13 slowly strengthens, the rotating speed of first sun gear 12 is quickened gradually; Comprehensive above-mentioned three aspects can realize the stable acceleration of output shaft 3.Buffering clutch 4 is sealed fully when carrying out transmission, 4 full-speed operations of buffering clutch, coupler is regulated speed discrepancy between first coupling wheel and second coupling wheel 7 according to practical working situation, and adjust the torque of output shaft 3, and then realize its automatic stepless speed change function by the torque distribution of first box of tricks and second box of tricks.
When stepping on brake, coupler is sealed, 4 transmissions of buffering clutch separate, this moment, output shaft 3 was under the effect of brake disc 2, the rotating speed of output shaft 3, first sun gear 12 and second coupling wheel 7 reduces, and first coupling wheel and second planetary wheel carrier 9 also reduce under the coupling of second coupling wheel 7 gradually, and the torque of first planetary wheel carrier 13 is passed to ring gear 10 by first planetary pinion 15, and then drive flywheel 5 rotations, to realize the storage of automobile kinetic energy.When automobile is started to walk once more, gently lift brake, coupler is removed sealed, cushions clutch 4 and is in half-clutch state, and flywheel 5 is passed to second coupling wheel 7 with kinetic energy through buffering clutch 4 on the one hand, and drive output shaft 3 begins to rotate; On the other hand, first coupling wheel also drives second coupling wheel 7 simultaneously to begin to rotate, and quickens gradually; Again on the one hand, because the speed discrepancy of the 3rd sun gear 8 and first planetary wheel carrier 13 slowly strengthens, the rotating speed of first sun gear 12 is quickened gradually; Comprehensive above-mentioned three aspects can realize that the energy that utilizes flywheel 5 to store promotes the acceleration of output shaft 3.
Independent variable speed drive system of the present invention simple in structure, volume is little; both can regulate the rotating ratio of input shaft 1 and output shaft 3 according to practical working situation automatically; can effectively store the energy of braking automobile or anxious stopping time automobile again; and after auto idle speed, restart or can effectively utilize when quickening the energy of storage; greatly reduce automobile anxious stop or suspend after the energy consumption that restarts; practical, the economic benefit height.
Be illustrated in figure 5 as the embodiment two of independent variable speed drive system of the present invention, be with the difference of the foregoing description one: described first sun gear 12, second sun gear 14 and first planetary pinion 15 are bevel gear; Described first planetary wheel carrier 13 is provided with bevel planet gear axle 18, the first planetary pinions 15 pivot bush units in this bevel planet gear axle 18.
First planetary pinion, 15, the first sun gears 12 and second sun gear 14 that described first box of tricks of present embodiment two comprises first sun gear 12, first planetary wheel carrier 13, second sun gear 14 and is arranged at first planetary wheel carrier 13 all are connected with a joggle with first planetary pinion 15; Described input shaft 1 is connected with first sun gear 12, and first planetary wheel carrier 13 is connected with output shaft 3, and second sun gear 14 is connected with the 3rd sun gear 8.
Described first sun gear 12 of present embodiment two is first external gear, and second sun gear 14 is a secondary annulus, and first planetary pinion 15 is a straight toothed spur gear; First planetary wheel carrier 13 is provided with straight-tooth wheel shaft 19, and straight toothed spur gear is socketed on this straight-tooth wheel shaft 19.
Present embodiment two is the another kind of mode of execution of described independent variable speed drive system, and its working principle is similar to the aforementioned embodiment, and can reach above-mentioned technique effect equally, and control is convenient, reliable performance.
Be illustrated in figure 6 as the embodiment three of independent variable speed drive system of the present invention, be with the difference of the foregoing description one: second sun gear 14 of first box of tricks is connected with second planetary wheel carrier 9 of second box of tricks, the second box of tricks sun gear 8 is connected with first coupling wheel 6, second coupling wheel 7 is connected with output shaft 3, second coupling wheel 7 is connected with buffering clutch 4, buffering clutch 4 is connected with flywheel 5, equally also can realize above-mentioned technique effect.
Be illustrated in figure 7 as the embodiment four of independent variable speed drive system of the present invention, be with the difference of the foregoing description two: second sun gear 14 of first box of tricks is connected with second planetary wheel carrier 9 of second box of tricks, the second box of tricks sun gear 8 is connected with first coupling wheel 6, second coupling wheel 7 is connected with output shaft 3, second coupling wheel 7 is connected with buffering clutch 4, buffering clutch 4 is connected with flywheel 5, equally also can realize above-mentioned technique effect.
The foregoing description is four kinds in the preferable implementation of the present invention, and in addition, the present invention can also realize that any without departing from the inventive concept of the premise conspicuous replacement is all within protection scope of the present invention by alternate manner.
Claims (7)
1. independent variable speed drive system, comprise input shaft (1), gear, brake disc (2) and output shaft (3), brake disc (2) is connected with output shaft (3), it is characterized in that: described gear comprises first box of tricks, second box of tricks, coupler that can be sealed, buffering clutch (4) and flywheel (5), input shaft (1) is in transmission connection with first box of tricks, first box of tricks is connected with second box of tricks, second box of tricks is connected with coupler, coupler and flywheel (5) are connected with buffering clutch (4), and output shaft (3) is connected with coupler.
2. independent variable speed drive system according to claim 1 is characterized in that: described coupler comprises first coupling wheel (6) and second coupling wheel (7); Described second box of tricks comprises the 3rd sun gear (8), second planetary wheel carrier (9), ring gear (10) and is arranged at second planetary pinion (11) of second planetary wheel carrier (9) that the 3rd sun gear (8) and ring gear (10) all are connected with a joggle with second planetary pinion (11); First box of tricks is connected with the 3rd sun gear (8), and second planetary wheel carrier (9) is connected with first coupling wheel (6), and second coupling wheel (7) is connected with buffering clutch (4); Second coupling wheel (7) is connected with output shaft (3), and ring gear (10) is connected with flywheel (5).
3. independent variable speed drive system according to claim 2, it is characterized in that: described first box of tricks comprises first sun gear (12), first planetary wheel carrier (13), second sun gear (14) and is arranged at first planetary pinion (15) of first planetary wheel carrier (13) that first sun gear (12) and second sun gear (14) all are connected with a joggle with first planetary pinion (15); Described input shaft (1) is in transmission connection with first planetary wheel carrier (13), and first sun gear (12) is connected with output shaft (3), and second sun gear (14) is connected with the 3rd sun gear (8).
4. independent variable speed drive system according to claim 3, it is characterized in that: described input shaft (1) is provided with driving gear (16), first planetary wheel carrier (13) is provided with external toothing (17), and driving gear (16) is connected with a joggle with external toothing (17).
5. independent variable speed drive system according to claim 3 is characterized in that: described first sun gear (12), second sun gear (14) and first planetary pinion (15) are bevel gear; Described first planetary wheel carrier (13) is provided with bevel planet gear axle (18), and first planetary pinion (15) pivot bush unit is in this bevel planet gear axle (18).
6. independent variable speed drive system according to claim 2, it is characterized in that: described first box of tricks comprises first sun gear (12), first planetary wheel carrier (13), second sun gear (14) and is arranged at first planetary pinion (15) of first planetary wheel carrier (13) that first sun gear (12) and second sun gear (14) all are connected with a joggle with first planetary pinion (15); Described input shaft (1) is connected with first sun gear (12), and first planetary wheel carrier (13) is connected with output shaft (3), and second sun gear (14) is connected with the 3rd sun gear (8).
7. independent variable speed drive system according to claim 6 is characterized in that: described first sun gear (12) is first external gear, and second sun gear (14) is a secondary annulus, and first planetary pinion (15) is a straight toothed spur gear; First planetary wheel carrier (13) is provided with straight-tooth wheel shaft (19), and straight toothed spur gear is socketed on this straight-tooth wheel shaft (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206155573U CN201925432U (en) | 2010-11-19 | 2010-11-19 | Independent variable-speed driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206155573U CN201925432U (en) | 2010-11-19 | 2010-11-19 | Independent variable-speed driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201925432U true CN201925432U (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206155573U Expired - Lifetime CN201925432U (en) | 2010-11-19 | 2010-11-19 | Independent variable-speed driving system |
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| CN (1) | CN201925432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072301A (en) * | 2010-11-19 | 2011-05-25 | 东莞市明慧管理咨询有限公司 | Independent variable-speed driving system |
-
2010
- 2010-11-19 CN CN2010206155573U patent/CN201925432U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072301A (en) * | 2010-11-19 | 2011-05-25 | 东莞市明慧管理咨询有限公司 | Independent variable-speed driving system |
| CN102072301B (en) * | 2010-11-19 | 2013-03-13 | 东莞市明慧管理咨询有限公司 | Independent variable-speed driving system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110810 Effective date of abandoning: 20130313 |
|
| RGAV | Abandon patent right to avoid regrant |