CN216184444U - Dual-motor driven automatic transmission system and tractor thereof - Google Patents
Dual-motor driven automatic transmission system and tractor thereof Download PDFInfo
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- CN216184444U CN216184444U CN202122740411.2U CN202122740411U CN216184444U CN 216184444 U CN216184444 U CN 216184444U CN 202122740411 U CN202122740411 U CN 202122740411U CN 216184444 U CN216184444 U CN 216184444U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 32
- 230000009467 reduction Effects 0.000 claims abstract description 71
- 230000009977 dual effect Effects 0.000 claims description 8
- 238000005265 energy consumption Methods 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
The utility model discloses a double-motor driven automatic transmission system and a tractor thereof, comprising: an engine; a generator comprising a generator rotor shaft; a drive motor including a drive motor rotor shaft; the rear axle driving assembly comprises a primary reduction gear shaft, a primary reduction driving gear sleeved on the primary reduction gear shaft, a rear axle output shaft connected with the rear axle and a primary reduction driven gear sleeved on the rear axle output shaft; the driving motor is connected with the motor controller, the motor controller is connected with the engine and is connected with the TCU controller, the rotor shaft of the engine is connected with the rotor shaft of the generator, the generator is electrically connected with the driving motor, the rotor shaft of the driving motor is fixedly connected with the first-level reduction gear shaft, and the first-level reduction driving gear is meshed and matched with the first-level reduction driven gear. The utility model can simplify the driving operation, improve the transmission efficiency, save energy and reduce consumption.
Description
Technical Field
The utility model relates to the technical field of motor driving, in particular to a double-motor driven automatic transmission system and a tractor thereof.
Background
At present, farm tractors are complex and various in field operation, the running speed of the tractors is from 0.2km/h to more than 20km/h, the span is large, a complex multi-gear transmission is needed to meet the requirement, the speed ratio range of the transmission of the tractor generally exceeds 10, the gears of the transmission are more, the number of the gears is generally more than 16, and the requirement on a driver of the tractor is high. When the tractor adopts the automatic transmission, the transmission efficiency is low due to a plurality of gears, the speed is low when the tractor runs, the torque is large, and the oil consumption of the whole tractor is large.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Based on the problems, the utility model provides a double-motor driven automatic transmission system and a tractor thereof, and solves the problems of complex driving operation, low transmission efficiency and high oil consumption of the tractor.
(II) technical scheme
In view of the above technical problems, the present invention provides a dual motor driven automatic transmission system, comprising:
an engine including an engine rotor shaft;
a generator comprising a generator rotor shaft;
a drive motor including a drive motor rotor shaft;
the rear axle driving assembly comprises a primary reduction gear shaft, a primary reduction driving gear sleeved on the primary reduction gear shaft, a rear axle output shaft connected with the rear axle and a primary reduction driven gear sleeved on the rear axle output shaft;
the driving motor is connected with the motor controller, the motor controller is connected with the engine and is connected with the TCU controller, the rotor shaft of the engine is connected with the rotor shaft of the generator, the generator is electrically connected with the driving motor, the rotor shaft of the driving motor is fixedly connected with the first-level reduction gear shaft, and the first-level reduction driving gear is meshed and matched with the first-level reduction driven gear.
Further, the generator rotor shaft is connected with a rotary working device.
Further, the engine, the generator and the driving motor are coaxially arranged.
Furthermore, the driving motor rotor shaft and the first-stage reduction gear shaft are both hollow, and the generator rotor shaft passes through the hollow parts of the driving motor rotor shaft and the first-stage reduction gear shaft and is connected with rotary operation equipment.
Furthermore, the front axle driving assembly comprises a secondary reduction gear set sleeved on the rear axle output shaft, an intermediate gear sleeved on the intermediate shaft, a front axle output shaft connected with the front axle, and a tertiary reduction gear set sleeved on the front axle output shaft;
the second-stage reduction gear set is meshed with the intermediate gear, and the intermediate gear is meshed with the third-stage reduction gear set.
Further, the generator and the driving motor are connected through a battery.
The utility model also discloses a tractor comprising the double-motor driven automatic transmission system.
(III) advantageous effects
The technical scheme of the utility model has the following advantages:
(1) the utility model supplies power to the driving motor through the generator, is used for driving the tractor through the driving motor, realizes stepless speed regulation by controlling the rotating speed of the driving motor, cancels complicated manual operation gear shifting, replaces a complex multi-gear manual gearbox, realizes automatic gear shifting, is beneficial to the operation of a driver, reduces the transmission of multi-stage gears for gear shifting, improves the transmission efficiency, reduces the oil consumption of the whole tractor, and can still meet various complex working conditions of field operation of the tractor;
(2) according to the utility model, when the tractor works in the field, the speed is low, if the reduction gear is not arranged, the rotating speed of the driving motor is low, the torque is large, and the efficiency of the driving motor is low, but the rotating speed of the driving motor during working is improved through the plurality of reduction gears, so that the driving motor works in a high-efficiency area, and the energy consumption is saved;
(3) the rotary operation equipment is directly driven to rotate by the engine, so that the energy consumption of the driving motor under the working condition of rotary operation is further reduced, the energy conservation and emission reduction are facilitated, the rotor shaft of the generator penetrates out of the hollow parts of the rotor shaft of the driving motor and the first-stage reduction gear shaft, the volume of the whole machine is reduced, and the heat dissipation is not influenced;
(4) the utility model has compact structure and small volume, and is easy to arrange on a tractor.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the utility model in any way, and in which:
FIG. 1 is a schematic structural diagram of a dual motor driven automatic transmission system according to an embodiment of the present invention;
in the figure: 1: a generator; 2: a generator rotor shaft; 3: a drive motor; 4: driving a motor rotor shaft; 5: a primary reduction drive gear; 6: a primary reduction gear shaft; 7: a primary reduction driven gear; 8: a rear axle output shaft; 9: a secondary reduction gear set; 10: an intermediate shaft; 11: a third reduction gear set; 12: and a front axle output shaft.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
The utility model relates to a dual-motor driven automatic transmission system, which is designed for automatic transmission systems of agricultural vehicles such as tractors and the like. The automatic transmission system comprises an engine, a generator 1, a driving motor 3 and wheel driving components, wherein the engine comprises an engine rotor shaft, the generator 1 comprises a generator rotor shaft 2, the driving motor 3 comprises a driving motor rotor shaft 4, and the wheel driving components comprise a rear axle driving component and a front axle driving component; the engine directly links with generator 1, and engine rotor shaft and generator rotor shaft 2 coaxial coupling, driving motor 3 is connected to generator 1, driving motor 3 connects machine controller, machine controller and engine 1 connect the TCU controller, automatic speed change controller promptly, and the TCU controller generates control signal according to driver's license driving intention and sends for machine controller, adjusts driving motor 3's rotational speed, makes engine work simultaneously, generates electricity by engine drive generator 1, and generator 1 supplies power in driving motor 3.
The rear axle driving assembly comprises a primary reduction gear shaft 6, a primary reduction driving gear 5 sleeved on the primary reduction gear shaft 6, a rear axle output shaft 8 connected with the rear axle, and a primary reduction driven gear 7 sleeved on the rear axle output shaft 8; the driving motor rotor shaft 4 is fixedly connected with a first-level reduction gear shaft 6, the first-level reduction driving gear 5 is meshed with a first-level reduction driven gear 7, and the diameter of the first-level reduction driving gear 5 is smaller than that of the first-level reduction driven gear 7, so that speed reduction is realized. The driving motor 3 drives the rear axle through the primary reduction gear shaft 6 and the rear axle output shaft 8 in sequence to enable the rear wheels to run.
The front axle driving assembly comprises a secondary reduction gear set 9 sleeved on the rear axle output shaft 8, an intermediate shaft 10, an intermediate gear sleeved on the intermediate shaft 10, a front axle output shaft 12 connected with a front axle and a tertiary reduction gear set 11 sleeved on the front axle output shaft 12; the secondary reduction gear set is meshed and matched with the intermediate gear, the intermediate gear is meshed and matched with the tertiary reduction gear set 11, and the diameter of the secondary reduction gear set 9 is smaller than that of the primary reduction driven gear 7. The front axle is driven by the secondary reduction gear set 9, the intermediate shaft 10 and the front axle output shaft 12 to enable the front wheels to run, and therefore four-wheel drive of the tractor is achieved. The front axle driving assembly in the embodiment of the utility model can also be other structures which can achieve the same effect.
When the tractor rotates, the tractor not only drives four wheels to walk, but also drives the rotating operation equipment at the same time. If the driving motor is adopted to drive the rotary operation equipment, the power of the driving motor is larger, and the volume of the driving motor is larger, therefore, the generator rotor shaft is adopted in the embodiment to connect the rotary operation equipment, the energy consumption of the driving motor 3 under the working condition of rotary operation can be reduced, the volume of the driving motor 3 is reduced, moreover, the driving motor rotor shaft 4 and the first-stage reduction gear shaft 6 are both hollow, the generator rotor shaft 2 penetrates out from the hollow parts of the driving motor rotor shaft 4 and the first-stage reduction gear shaft 6 to connect the rotary operation equipment, the reduction of the volume of the whole machine is facilitated, and the friction heat generation of the generator rotor shaft 2 and the hollow parts is smaller because the rotating speed of the generator rotor shaft is very low during the operation of a tractor, and the difficulty in heat dissipation is avoided.
In the embodiment, a double-motor structure is adopted, the driving motor 3 is used for driving four wheels, the speed of the tractor is adjusted by adjusting the rotating speed of the driving motor 3, automatic gear shifting is realized, various complex working conditions of field operation of the tractor can be met, multi-stage gear transmission caused by multiple gears is avoided, and the transmission efficiency is improved; when the tractor works in the field, the speed of the tractor is low, the rotating speed of the driving motor 3 is low, the torque is large, and the efficiency of the single driving motor 3 is low, and the driving motor 3 can be in a high-efficiency area during working by using the primary reduction driving gear 5, the primary reduction driven gear 7, the secondary reduction gear set 9 and the tertiary reduction gear set 11, so that the energy consumption of the driving motor is saved; the generator 1 is used for generating power for the driving motor 3, meanwhile, the engine drives the rotary operation equipment to rotate, and the rotary operation equipment is powered by the generator 1, so that the energy consumption of the driving motor 3 under the working condition of rotary operation can be reduced;
can supply power through the battery connection between generator 1 and the driving motor 3, also can the lug connection power supply, through battery powered, be favorable to supplying with steady voltage, through the lug power supply, because of the tractor operation consumption is great, need use large capacity battery, lead to arranging that the space of battery is great, the battery cost is too high.
In summary, the automatic transmission system driven by two motors and the tractor thereof have the following advantages:
(1) the utility model supplies power to the driving motor through the generator, is used for driving the tractor through the driving motor, realizes stepless speed regulation by controlling the rotating speed of the driving motor, cancels complicated manual operation gear shifting, replaces a complex multi-gear manual gearbox, realizes automatic gear shifting, is beneficial to the operation of a driver, reduces the transmission of multi-stage gears for gear shifting, improves the transmission efficiency, reduces the oil consumption of the whole tractor, and can still meet various complex working conditions of field operation of the tractor;
(2) according to the utility model, when the tractor works in the field, the speed is low, if the reduction gear is not arranged, the rotating speed of the driving motor is low, the torque is large, and the efficiency of the driving motor is low, but the rotating speed of the driving motor during working is improved through the plurality of reduction gears, so that the driving motor works in a high-efficiency area, and the energy consumption is saved;
(3) the rotary operation equipment is directly driven to rotate by the engine, so that the energy consumption of the driving motor under the working condition of rotary operation is further reduced, the energy conservation and emission reduction are facilitated, the rotor shaft of the generator penetrates out of the hollow parts of the rotor shaft of the driving motor and the first-stage reduction gear shaft, the volume of the whole machine is reduced, and the heat dissipation is not influenced;
(4) the utility model has compact structure and small volume, and is easy to arrange on a tractor.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope defined by the appended claims.
Claims (7)
1. A two-motor driven automatic transmission system, characterized by comprising:
an engine including an engine rotor shaft;
a generator comprising a generator rotor shaft;
a drive motor including a drive motor rotor shaft;
the rear axle driving assembly comprises a primary reduction gear shaft, a primary reduction driving gear sleeved on the primary reduction gear shaft, a rear axle output shaft connected with the rear axle and a primary reduction driven gear sleeved on the rear axle output shaft;
the driving motor is connected with the motor controller, the motor controller is connected with the engine and is connected with the TCU controller, the rotor shaft of the engine is connected with the rotor shaft of the generator, the generator is electrically connected with the driving motor, the rotor shaft of the driving motor is fixedly connected with the first-level reduction gear shaft, and the first-level reduction driving gear is meshed and matched with the first-level reduction driven gear.
2. The dual motor driven automatic transmission system of claim 1, wherein the generator rotor shaft is connected to a rotating work machine.
3. The dual motor driven automatic transmission system of claim 2, wherein the engine, generator and drive motor are coaxially arranged.
4. The dual motor driven automatic transmission system of claim 3, wherein the drive motor rotor shaft and the primary reduction gear shaft are both hollow, and the generator rotor shaft extends out of the hollow of the drive motor rotor shaft and the primary reduction gear shaft and is connected to a rotary work apparatus.
5. The dual motor driven automatic transmission system of claim 1, wherein the front axle drive assembly includes a secondary reduction gear set sleeved on the rear axle output shaft, an intermediate gear sleeved on the intermediate shaft, a front axle output shaft connected with a front axle, and a tertiary reduction gear set sleeved on the front axle output shaft;
the second-stage reduction gear set is meshed with the intermediate gear, and the intermediate gear is meshed with the third-stage reduction gear set.
6. The dual motor driven automatic transmission system of claim 1, wherein the generator and the driving motor are connected by a battery.
7. A tractor characterized by comprising a dual motor driven automatic transmission system according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122740411.2U CN216184444U (en) | 2021-11-10 | 2021-11-10 | Dual-motor driven automatic transmission system and tractor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122740411.2U CN216184444U (en) | 2021-11-10 | 2021-11-10 | Dual-motor driven automatic transmission system and tractor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216184444U true CN216184444U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122740411.2U Active CN216184444U (en) | 2021-11-10 | 2021-11-10 | Dual-motor driven automatic transmission system and tractor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216184444U (en) |
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2021
- 2021-11-10 CN CN202122740411.2U patent/CN216184444U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20240111 Address after: 646003 Section 4, Jiugu Avenue, High tech Zone, Luzhou City, Sichuan Province Patentee after: Luzhou Rongda Intelligent Transmission Co.,Ltd. Address before: 412000 No. 68, durong Road, Yuelu District, Changsha City, Hunan Province Patentee before: Hunan Yung Da intelligent transmission Limited by Share Ltd. Patentee before: Luzhou Rongda Intelligent Transmission Co.,Ltd. |