CN101985971A - Continuously variable transmission with differential mechanism - Google Patents
Continuously variable transmission with differential mechanism Download PDFInfo
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- CN101985971A CN101985971A CN2010105233029A CN201010523302A CN101985971A CN 101985971 A CN101985971 A CN 101985971A CN 2010105233029 A CN2010105233029 A CN 2010105233029A CN 201010523302 A CN201010523302 A CN 201010523302A CN 101985971 A CN101985971 A CN 101985971A
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- bevel gear
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Abstract
The invention relates to the technical field of transmissions, in particular to a continuously variable transmission with a differential mechanism. The continuously variable transmission comprises an input shaft, a gear shift mechanism and an output shaft, wherein the input shaft and the output shaft are connected with the gear shift mechanism; the gear shift mechanism comprises a driving wheel, a planet bevel gear, a first bevel gear and a second bevel gear, the planet bevel gear is arranged on the driving wheel, the first bevel gear and the second bevel gear are respectively arranged at two sides of the planet bevel wheel, the planet bevel gear is respectively meshed with the first bevel gear and the second bevel gear, and the output shaft is connected with the first bevel gear; the lateral side of the second bevel gear is provided with a coupler which comprises a driving shaft and a driven shaft, the driving shaft is connected with the second bevel gear, the driven shaft is connected with the output shaft, the driving shaft is provided with a shaft hole, and the driven shaft penetrates through the shaft hole; and the input shaft is connected with the driving shaft in a transmission mode. The continuously variable transmission of the invention has simple structure, small volume, low cost and strong practical applicability, and the rotation speed ratio of the input shaft and the output shaft can be automatically adjusted according to the practical working conditions.
Description
Technical field
The present invention relates to the speed changer technical field, refer in particular to a kind of stepless speed variator that has differential mechanism.
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 this kind structural volume is big, mechanism is complicated, Heavy Weight, maintenance expenses high and cause the defective of such speed changer particularly evident.
Summary of the invention
The technical problem to be solved in the present invention provide a kind of simple in structure, volume is little, with low cost, and can regulate the stepless speed variator that has differential mechanism of the rotating ratio of input shaft and output shaft automatically according to practical working situation.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme: the stepless speed variator that has differential mechanism, comprise input shaft, gear and output shaft, input shaft and output shaft all are connected with gear, described gear comprises driving wheel, be arranged at the bevel planet gear of driving wheel, be arranged at first bevel gear and second bevel gear of bevel planet gear both sides respectively, bevel planet gear is connected with a joggle with first bevel gear and second bevel gear respectively, and output shaft is connected with first bevel gear; The side of described second bevel gear is provided with coupler, and this coupler comprises driving shaft and driven shaft, and driving shaft is connected with second bevel gear, and driven shaft is connected with described output shaft; Described driving shaft offers axis hole, and driven shaft passes this axis hole; Described input shaft and driving wheel are in transmission connection.
Wherein, described driving wheel radially is provided with the bevel planet gear axle, and the bevel planet gear pivot bush unit is in this bevel planet gear axle.
Wherein, described driving wheel offers cavity, and the number of bevel planet gear axle is four, and an end of four bevel planet gear axles is embedded at described cavity, and the number of described bevel planet gear is four, and four bevel planet gears are socketed on four bevel planet gear axles respectively.
Wherein, described driving wheel offers cavity, and the number of bevel planet gear axle is two, and an end of two bevel planet gear axles is embedded at described cavity, and the number of described bevel planet gear is two, and two bevel planet gears are socketed on two bevel planet gear axles respectively.
Wherein, described coupler comprises first coupling wheel and second coupling wheel, and first coupling wheel is connected with described driving shaft, and second coupling wheel is connected with described driven shaft.
Wherein, described coupler is magnetic coupling or fluid coupling.
Wherein, the outer circumferential walls of described driving wheel is provided with the gear teeth, and input shaft is provided with first gear, and this first gear is that gear transmission is connected with driving wheel.
Preferably, described gear transmission is connected to that angular gear is in transmission connection or straight-tooth gear is in transmission connection.
Further, described output shaft is that splined or flat key connect with first bevel gear.
Beneficial effect of the present invention is: the invention provides a kind of stepless speed variator that has differential mechanism, comprise input shaft, gear and output shaft, input shaft and output shaft all are connected with gear, described gear comprises driving wheel, be arranged at the bevel planet gear of driving wheel, be arranged at first bevel gear and second bevel gear of bevel planet gear both sides respectively, bevel planet gear is connected with a joggle with first bevel gear and second bevel gear respectively, and output shaft is connected with first bevel gear; The side of described second bevel gear is provided with coupler, and this coupler comprises driving shaft and driven shaft, and driving shaft is connected with second bevel gear, and driven shaft is connected with described output shaft, and described driving shaft offers axis hole, and driven shaft passes this axis hole; Described input shaft and driving wheel are in transmission connection.The stepless speed variator that has differential mechanism of the present invention is in speed-change process, and when practical working situation caused that the moment of torsion of output shaft reduces, the driving shaft of coupler and the speed discrepancy between the driven shaft reduced gradually, and promptly the rotating ratio of input shaft and output shaft reduces gradually; When practical working situation causes that the moment of torsion of output shaft becomes big, the driving shaft and the speed discrepancy between the driven shaft of coupler are to increase gradually, the rotating ratio that is input shaft and output shaft increases gradually, thereby realize its automatic stepless speed change function, the present invention is not only simple in structure, volume is little, with low cost, and can regulate the rotating ratio of input shaft and output shaft automatically according to practical working situation, practical.
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 the cross-sectional view of the embodiment of the invention one.
Fig. 4 is the perspective view of the embodiment of the invention two.
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 who has the stepless speed variator of differential mechanism of the present invention as shown in Figure 1 to Figure 3, comprise shell, be arranged at input shaft 2, gear and the output shaft 3 of shell, input shaft 2 and output shaft 3 all are connected with gear, described gear comprises driving wheel 4, be arranged at the bevel planet gear 5 of driving wheel 4, be arranged at first bevel gear 6 and second bevel gear 7 of bevel planet gear 5 both sides respectively, bevel planet gear 5 is connected with a joggle with first bevel gear 6 and second bevel gear 7 respectively, and output shaft 3 is connected with first bevel gear 6; The side of described second bevel gear 7 is provided with coupler 10, this coupler 10 comprises driving shaft 8 and driven shaft 9, and driving shaft 8 is connected with second bevel gear 7, and driven shaft 9 is connected with described output shaft 3, described driving shaft 8 offers axis hole 81, and driven shaft 9 passes this axis hole 81; Described input shaft 2 is in transmission connection with driving wheel 4.In the present embodiment, driven shaft 9 and described output shaft 3 are one-body molded.
In the course of the work, driving wheel 4 rotates under the gearing of input shaft 2, and drive bevel planet gear 5 moves in a circle around output shaft 3, output shaft 3 is when rotation at the early-stage, the moment of torsion that 3 rotations of driving output shaft need is bigger, make the driving shaft 8 and the speed discrepancy between the driven shaft 9 of coupler 10 bigger, this moment, second bevel gear 7 was rotated under the effect of bevel planet gear 5 comparatively fast, first bevel gear 6 is rotated slower, the rotating speed of the output shaft 3 that is connected with first bevel gear 6 with automatic reduction, thus realize transferring automatically the rotating ratio of big input shaft 2 and output shaft 3.
In above-mentioned speed-change process, when practical working situation caused that the moment of torsion of output shaft 3 reduces, the driving shaft 8 of coupler 10 and the speed discrepancy between the driven shaft 9 reduced gradually, and promptly input shaft 2 reduces gradually with the rotating ratio of output shaft 3; When practical working situation causes that the moment of torsion of output shaft 3 becomes big, the driving shaft 8 of coupler 10 and the speed discrepancy between the driven shaft 9 are to increase gradually, the rotating ratio that is input shaft 2 and output shaft 3 increases gradually, thereby realize its automatic stepless speed change function, the present invention is not only simple in structure, volume is little, with low cost, and can regulate the rotating ratio of input shaft 2 and output shaft 3 automatically according to practical working situation, practical.
The described driving wheel 4 of present embodiment radially is provided with bevel planet gear axle 41, and bevel planet gear 5 pivot bush units are in this bevel planet gear axle 41.Concrete, described driving wheel 4 offers cavity, and the number of bevel planet gear axle 41 is four, and an end of four bevel planet gear axles 41 is embedded at described cavity, the number of described bevel planet gear 5 is four, and four bevel planet gears 5 are socketed on four bevel planet gear axles 41 respectively.
When driving wheel 4 rotates, the bevel planet gear axle 41 that is arranged at driving wheel 4 rotates with driving wheel 4, the bevel planet gear 5 that is socketed on this bevel planet gear axle 41 is done synchronous circular movement with driving wheel 4, so that the moment of torsion of driving wheel 4 is passed to first bevel gear 6 and/or second bevel gear 7 with the kind of drive of differential mechanism, by coupler 10 moment of torsion is passed to output shaft 3 by first bevel gear 6 and/or second bevel gear 7.
The described coupler 10 of present embodiment comprises that first coupling wheel, 11 and second coupling wheel, 12, the first couplings wheel 11 is connected with described driving shaft 8, and second coupling is taken turns 12 and is connected with described driven shaft 9.Preferred implementation is, described coupler 10 is a magnetic coupling, and the speed discrepancy of first coupling wheel, 11 and second coupling wheel 12 can change according to the level of torque of output shaft 3, and passes to output shaft 3 by first bevel gear 6 and/or second bevel gear 7.Certainly, described coupler 10 can also be fluid coupling, equally also can reach above-mentioned technique effect.
The outer circumferential walls of the described driving wheel 4 of present embodiment is provided with the gear teeth 42, and input shaft 2 is provided with first gear 1, and this first gear 1 and driving wheel 4 are for gear transmission is connected, so that the moment of torsion of input shaft 2 is passed to driving wheel 4.
The described gear transmission of present embodiment is connected to that angular gear is in transmission connection or straight-tooth gear is in transmission connection.Manufacturing for reducing difficulty, preferred embodiment is that described gear transmission is connected to straight-tooth gear and is in transmission connection.In addition, angular gear is in transmission connection and compares the straight-tooth gear transmission, though manufacture difficulty is higher, and the noise when the angular gear transmission can reduce meshed transmission gear greatly, the moment of torsion transmission is more steady.
The described output shaft 3 of present embodiment and first bevel gear 6 are splined, and splined can improve the coaxial precision that output shaft 3 is fixedlyed connected with first bevel gear 6 greatly, and practicability is stronger.
Be illustrated in figure 4 as the embodiment two who has the stepless speed variator of differential mechanism of the present invention, be with the difference of the foregoing description one: the number of described bevel planet gear axle 41 and bevel planet gear 5 is two, and two bevel planet gears 5 are socketed on two bevel planet gear axles 41 respectively.Equally also can realize its technique effect, structure is simpler, more is applicable to the workplace that transmitting torque is less.
What need supplementary notes is, the number of bevel planet gear axle 41 and bevel planet gear 5 can also be six or eight, bevel planet gear axle 41 is evenly arranged in driving wheel 4, the all sheathed bevel planet gear 5 of each bevel planet gear axle 41, so that transmit bigger moment of torsion, be applicable to the workplace that transmitting torque is bigger.
The foregoing description is two kinds in the preferable implementation of the present invention, and in addition, the present invention can also realize that any conspicuous replacement is all within protection scope of the present invention under the prerequisite that does not break away from inventive concept of the present invention by alternate manner.
Claims (9)
1. the stepless speed variator that has differential mechanism, comprise input shaft (2), gear and output shaft (3), input shaft (2) and output shaft (3) all are connected with gear, it is characterized in that: described gear comprises driving wheel (4), be arranged at the bevel planet gear (5) of driving wheel (4), be arranged at first bevel gear (6) and second bevel gear (7) of bevel planet gear (5) both sides respectively, bevel planet gear (5) is connected with a joggle with first bevel gear (6) and second bevel gear (7) respectively, and output shaft (3) is connected with first bevel gear (6); The side of described second bevel gear (7) is provided with coupler (10), and this coupler (10) comprises driving shaft (8) and driven shaft (9), and driving shaft (8) is connected with second bevel gear (7), and driven shaft (9) is connected with described output shaft (3); Described driving shaft (8) offers axis hole (81), and driven shaft (9) passes this axis hole (81); Described input shaft (2) is in transmission connection with driving wheel (4).
2. the stepless speed variator that has differential mechanism according to claim 1 is characterized in that: described driving wheel (4) radially is provided with bevel planet gear axle (41), and bevel planet gear (5) pivot bush unit is in this bevel planet gear axle (41).
3. the stepless speed variator that has differential mechanism according to claim 2, it is characterized in that: described driving wheel (4) offers cavity, the number of bevel planet gear axle (41) is four, one end of four bevel planet gear axles (41) is embedded at described cavity, the number of described bevel planet gear (5) is four, and four bevel planet gears (5) are socketed on four bevel planet gear axles (41) respectively.
4. the stepless speed variator that has differential mechanism according to claim 2, it is characterized in that: described driving wheel (4) offers cavity, the number of bevel planet gear axle (41) is two, one end of two bevel planet gear axles (41) is embedded at described cavity, the number of described bevel planet gear (5) is two, and two bevel planet gears (5) are socketed on two bevel planet gear axles (41) respectively.
5. the stepless speed variator that has differential mechanism according to claim 1, it is characterized in that: described coupler (10) comprises first coupling wheel (11) and second coupling wheel (12), first coupling wheel (11) is connected with described driving shaft (8), and second coupling wheel (12) is connected with described driven shaft (9).
6. the stepless speed variator that has differential mechanism according to claim 5 is characterized in that: described coupler (10) is magnetic coupling or fluid coupling.
7. the stepless speed variator that has differential mechanism according to claim 1, it is characterized in that: the outer circumferential walls of described driving wheel (4) is provided with the gear teeth (42), input shaft (2) is provided with first gear (1), and this first gear (1) is connected for gear transmission with driving wheel (4).
8. the stepless speed variator that has differential mechanism according to claim 7 is characterized in that: described gear transmission is connected to that angular gear is in transmission connection or straight-tooth gear is in transmission connection.
9. the stepless speed variator that has differential mechanism according to claim 1 is characterized in that: described output shaft (3) connects for splined or flat key with first bevel gear (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105233029A CN101985971A (en) | 2010-10-28 | 2010-10-28 | Continuously variable transmission with differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105233029A CN101985971A (en) | 2010-10-28 | 2010-10-28 | Continuously variable transmission with differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101985971A true CN101985971A (en) | 2011-03-16 |
Family
ID=43710353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105233029A Pending CN101985971A (en) | 2010-10-28 | 2010-10-28 | Continuously variable transmission with differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101985971A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748445A (en) * | 2012-07-19 | 2012-10-24 | 吕建伟 | Differential gear continuously-variable automatic transmission for automobiles |
| CN102996748A (en) * | 2013-01-01 | 2013-03-27 | 胡泓海 | High-power output stepless speed regulator |
| CN105134920A (en) * | 2015-10-15 | 2015-12-09 | 梁则军 | Mechanical gear infinite stepless transmission |
| CN111677832A (en) * | 2018-12-03 | 2020-09-18 | 劳伦迪勒（昆山）机械工程有限公司 | Rolling type continuously variable transmission |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2869399A (en) * | 1957-12-11 | 1959-01-20 | Everett G Miles | Differential transmission |
| WO2007107316A2 (en) * | 2006-03-20 | 2007-09-27 | Amer S.P.A. | Transmission unit for vehicles |
| JP4035564B2 (en) * | 2001-09-25 | 2008-01-23 | 有道 八巻 | Automatic continuously variable transmission |
| CN201858330U (en) * | 2010-10-28 | 2011-06-08 | 东莞市明慧管理咨询有限公司 | Continuously variable transmission with differential |
-
2010
- 2010-10-28 CN CN2010105233029A patent/CN101985971A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2869399A (en) * | 1957-12-11 | 1959-01-20 | Everett G Miles | Differential transmission |
| JP4035564B2 (en) * | 2001-09-25 | 2008-01-23 | 有道 八巻 | Automatic continuously variable transmission |
| WO2007107316A2 (en) * | 2006-03-20 | 2007-09-27 | Amer S.P.A. | Transmission unit for vehicles |
| CN201858330U (en) * | 2010-10-28 | 2011-06-08 | 东莞市明慧管理咨询有限公司 | Continuously variable transmission with differential |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748445A (en) * | 2012-07-19 | 2012-10-24 | 吕建伟 | Differential gear continuously-variable automatic transmission for automobiles |
| CN102996748A (en) * | 2013-01-01 | 2013-03-27 | 胡泓海 | High-power output stepless speed regulator |
| CN105134920A (en) * | 2015-10-15 | 2015-12-09 | 梁则军 | Mechanical gear infinite stepless transmission |
| CN105134920B (en) * | 2015-10-15 | 2018-05-04 | 梁则军 | The unlimited formula buncher of mechanical gear |
| CN111677832A (en) * | 2018-12-03 | 2020-09-18 | 劳伦迪勒（昆山）机械工程有限公司 | Rolling type continuously variable transmission |
| CN111692306A (en) * | 2018-12-03 | 2020-09-22 | 劳伦迪勒（昆山）机械工程有限公司 | Rolling type continuously variable transmission |
| CN111677832B (en) * | 2018-12-03 | 2023-08-11 | 南京允正工业设备有限公司 | Rolling type stepless speed changer |
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Application publication date: 20110316 |