CN217863691U - Hybrid tractor power system and tractor - Google Patents
Hybrid tractor power system and tractor Download PDFInfo
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- CN217863691U CN217863691U CN202221955247.5U CN202221955247U CN217863691U CN 217863691 U CN217863691 U CN 217863691U CN 202221955247 U CN202221955247 U CN 202221955247U CN 217863691 U CN217863691 U CN 217863691U
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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 hybrid tractor driving system and tractor, the system includes: the system comprises an engine, a first generator, a second generator, a first driving motor, a second driving motor, an AMT device, a power output device, a rear axle and a rear wheel set; the engine, the first generator and the second generator are sequentially connected in a transmission manner, the second generator is connected with a first input shaft of the AMT device in a transmission manner, and a first output shaft of the AMT device is connected with the power output device in a transmission manner; the first driving motor and the second driving motor are respectively in transmission connection with a second input shaft and a third input shaft of the AMT device, and a second output shaft of the AMT device is in transmission connection with the rear wheel set through a rear axle; the utility model adopts the double-driving motor to provide the power of the whole machine, and the double-generator to provide the electric energy, which can simultaneously meet the requirements of high horsepower and long endurance of the tractor; the design and manufacturing difficulty of the motor is reduced by the double-motor system; just the utility model discloses the transmission system integrated level is high, compact structure, and the complete machine of being convenient for arranges.
Description
Technical Field
The utility model relates to a tractor technical field especially relates to a hybrid tractor driving system and tractor.
Background
The high-horsepower traditional fuel oil tractor has low efficiency, high energy consumption and serious environmental pollution, so the high-horsepower tractor adopting the traditional fuel oil machine as a power source is difficult to meet the increasingly severe environmental and market requirements. Although the high-horsepower pure electric tractor has the advantages of zero emission and simple transmission, the high-horsepower pure electric tractor cannot meet the long-time working requirement of the tractor due to the limitation of battery endurance and charging efficiency. The engine of hybrid tractor can work in the high efficiency area all the time, can effectual reduction discharge, and the pollution abatement, and the engine drives the generator and provides the electric energy, does not worry tractor continuation of the journey problem, and driving motor no longer relies on complicated gearbox as the power supply simultaneously, and transmission system is simple, so hybrid's high horsepower tractor has very big technical advantage.
At present, in the research of hybrid tractors, a power system mostly adopts a single motor as a power source, and is relatively suitable for small and medium power tractors. Due to the limitation of motor technology and arrangement space of the whole machine, the single-drive motor hybrid power system in the current research is not suitable for a high-horsepower tractor. If a single motor needs to meet the requirement of high horsepower, the design and manufacture difficulty is high, the size and the weight are large, and the arrangement difficulty is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the problem to prior art exists provides a hybrid tractor driving system and tractor.
In order to solve the technical problem, the utility model provides a hybrid tractor driving system, include: the system comprises an engine, a first generator, a second generator, a first driving motor, a second driving motor, an AMT device, a power output device, a rear axle, a rear wheel set, a high-voltage power distribution device and a power battery;
the engine, the first generator and the second generator are sequentially in transmission connection, the second generator is in transmission connection with a first input shaft of the AMT device, and a first output shaft of the AMT device is in transmission connection with the power output device; the first input shaft is in transmission connection with the first output shaft; the first driving motor is in transmission connection with a second input shaft of the AMT device, the second driving motor is in transmission connection with a third input shaft of the AMT device, a second output shaft of the AMT device is in transmission connection with a rear axle, and the rear axle is in transmission connection with a rear wheel set; the second input shaft and the third input shaft are in transmission connection with the second output shaft; the first input shaft, the second input shaft, the third input shaft, the first output shaft and the second output shaft are arranged in parallel; the first generator, the second generator, the first driving motor and the second driving motor are all electrically connected with a high-voltage distribution device, and the high-voltage distribution device is electrically connected with the power battery.
The beneficial effects of the utility model are that: the AMT device is provided with three input ports and two output ports, and a first input shaft of the AMT device is in transmission connection with a first output shaft, so that the driving power output of an engine is realized; the second input shaft and the third input shaft are in transmission connection with the second output shaft, so that the power coupling of the dual-motor driving running system is realized; the utility model adopts the double-driving motor to provide the power of the whole machine, and the double-generator to provide the electric energy, which can simultaneously meet the requirements of high horsepower and long endurance of the tractor; compared with a high-horsepower hybrid power system with a single motor, the double-motor system reduces the design and manufacture difficulty of the motor; the utility model has compact structure and is convenient for the arrangement of the whole machine; economic, environment-friendly, energy-saving and efficient.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, a first driving gear is fixed on the first input shaft, a first driven gear is fixed on the first output shaft, and the first driving gear is meshed with the first driven gear.
The power output device has the advantages that the first input shaft is in transmission connection with the first output shaft through the meshing of the first driving gear arranged on the first input shaft and the first driven gear arranged on the first output shaft, the rotating speed of the engine is transmitted to the power output device through the gear set formed by the first driving gear and the first driven gear, and the speed change function of power output is achieved.
Furthermore, a second driving gear is fixed on the second input shaft, a third driving gear is fixed on the third input shaft, and the second driving gear and the third driving gear are both meshed with the power coupling speed change device; the power coupling speed change device is in transmission connection with the second output shaft.
The power coupling transmission device has the advantages that the power coupling transmission device is in transmission connection with the second input shaft, the third input shaft and the second output shaft, power coupling and speed change adjustment of the dual-drive motor are achieved, integration degree is high, the structure is compact, and overall arrangement is facilitated.
Further, the power coupling speed change device comprises a first intermediate shaft and a second intermediate shaft which are arranged in parallel with the second input shaft; a second driven gear, a first low-grade transmission gear and a first high-grade transmission gear are fixed on the first intermediate shaft, and the second driven gear is meshed with a second driving gear; a low-grade idler gear and a high-grade idler gear are fixed on the second output shaft and are connected through a synchronizer; the first low-gear transmission gear is meshed with the low-gear idle gear, and the first high-gear transmission gear is meshed with the high-gear idle gear; a third driven gear, a second low-grade transmission gear and a second high-grade transmission gear are fixed on the second intermediate shaft; the third driven gear is meshed with the third driving gear, the second low-grade transmission gear is meshed with the low-grade idle gear, and the second high-grade transmission gear is meshed with the high-grade idle gear.
The first input shaft drives the first intermediate shaft to rotate through the first driving gear and the first driven gear, the first intermediate shaft drives the first low-gear transmission gear and the first high-gear transmission gear on the shaft to transmit, the first low-gear transmission gear drives the low-gear idle sleeve gear to rotate, the first high-gear transmission gear drives the high-gear idle sleeve gear to rotate, if the synchronizer gear shifting fork is shifted to the low-gear idle sleeve gear side, the low-gear idle sleeve gear drives the second output shaft to rotate, and if the synchronizer gear shifting fork is shifted to the high-gear idle sleeve gear side, the high-gear idle sleeve gear drives the second output shaft to rotate; similarly, the third input shaft drives the output shaft to rotate according to the mode; the power coupling and speed change adjustment of the dual-drive motor are realized through the power coupling speed change device in the AMT device, the integration degree is high, the structure is compact, and the whole machine arrangement is convenient.
Further, the technical scheme also comprises a vehicle control unit, and an engine controller, a first generator controller, a second generator controller, a first driving motor controller and a second driving motor controller which are connected with the vehicle control unit; the vehicle control unit controls the engine through the engine controller, controls the first generator through the first generator controller, controls the second generator through the second generator controller, controls the first driving motor through the first driving motor controller, and controls the second driving motor through the second driving motor controller.
Furthermore, the technical scheme also comprises a battery management system, and the battery management system is connected with the vehicle control unit and the power battery.
In order to solve the technical problem, the utility model provides a tractor, including above-mentioned technical scheme's hybrid tractor driving system.
Additional aspects of the invention and advantages thereof will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a block diagram of a hybrid tractor power system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an AMT device provided by an embodiment of the present invention.
Detailed Description
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure of the present disclosure. It is to be understood that the described embodiments are merely some embodiments of the disclosure, and not all embodiments. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to or other than one or more of the aspects set forth herein.
Fig. 1 is a block diagram of a power system of a hybrid tractor according to an embodiment of the present invention. As shown in fig. 1, the system includes: the system comprises an engine 1, a first generator 2, a second generator 3, a first driving motor 4, a second driving motor 5, an AMT device 6, a power output device 7, a rear axle 8, a rear wheel set 9, a high-voltage power distribution device 16 and a power battery 18.
The engine 1, the first generator 2 and the second generator 3 are sequentially in transmission connection, the second generator 3 is in transmission connection with a first input shaft of the AMT device 6, and a first output shaft of the AMT device 6 is in transmission connection with the power output device 7; the first input shaft is in transmission connection with the first output shaft; the first driving motor 4 is in transmission connection with a second input shaft of the AMT device 6, the second driving motor 5 is in transmission connection with a third input shaft of the AMT device 6, a second output shaft of the AMT device 6 is in transmission connection with a rear axle 8, and the rear axle 8 is in transmission connection with a rear wheel set 9; the second input shaft and the third input shaft are in transmission connection with the second output shaft; the first input shaft, the second input shaft, the third input shaft, the first output shaft and the second output shaft are arranged in parallel; the first generator 2, the second generator 3, the first driving motor 4 and the second driving motor 5 are all electrically connected with a high-voltage distribution device 16, and the high-voltage distribution device 16 is electrically connected with a power battery 18.
In the above embodiment of the present invention, the two generators are coaxially arranged, the two driving motors are arranged on different shafts, the AMT device has three input ports and two output ports, the first input shaft of the AMT device is in transmission connection with the first output shaft, and the engine driving power output is realized; the second input shaft and the third input shaft are in transmission connection with the second output shaft, so that the power coupling of the dual-motor driving running system is realized; the utility model adopts the double-driving motor to provide the power of the whole machine, and the double-generator to provide the electric energy, which can simultaneously meet the requirements of high horsepower and long endurance of the tractor; compared with a high-horsepower hybrid power system with a single motor, the double-motor system reduces the design and manufacture difficulty of the motor; the power system of the hybrid tractor provided by the embodiment of the utility model has compact structure and is convenient for the whole machine arrangement; economic, environment-friendly, energy-saving and efficient.
Alternatively, in one embodiment, the first input shaft of the AMT device 6 is fixed with a first driving gear, the first output shaft is fixed with a first driven gear, and the first driving gear is engaged with the first driven gear. The embodiment of the utility model provides a through setting up first driving gear on first input shaft and setting up the meshing of first driven gear on first output shaft, realized that first input shaft is connected with the transmission of first output shaft, engine speed transmits for power take off through the gear train that comprises first driving gear and first driven gear, has realized power take off's variable speed function.
Alternatively, in one embodiment, the second input shaft of the AMT device 6 is fixed with a second driving gear, the third input shaft is fixed with a third driving gear, and the second driving gear and the third driving gear are both engaged with the power coupling speed change device; the power coupling speed change device is in transmission connection with the second output shaft. The embodiment of the utility model provides a connect second input shaft, third input shaft and second output shaft through the transmission of power coupling speed change gear, realized dual drive motor's power coupling and variable speed adjustment, and this AMT drive disk assembly integrated degree is high, compact structure, the complete machine of being convenient for arranges.
Optionally, in one embodiment, the power coupling transmission comprises a first intermediate shaft and a second intermediate shaft arranged parallel to each other with the second input shaft; a second driven gear, a first low-gear transmission gear and a first high-gear transmission gear are fixed on the first intermediate shaft, and the second driven gear is meshed with a second driving gear; a low-grade idler gear and a high-grade idler gear are fixed on the second output shaft and are connected through a synchronizer; the first low-gear transmission gear is meshed with the low-gear idle gear, and the first high-gear transmission gear is meshed with the high-gear idle gear; a third driven gear, a second low-gear transmission gear and a second high-gear transmission gear are fixed on the second intermediate shaft; the third driven gear is meshed with the third driving gear, the second low-gear transmission gear is meshed with the low-gear idler gear, and the second high-gear transmission gear is meshed with the high-gear idler gear.
In the above embodiment, the second input shaft drives the first intermediate shaft to rotate through the second driving gear and the second driven gear, the first intermediate shaft drives the first low-gear transmission gear and the first high-gear transmission gear on the shaft to transmit, the first low-gear transmission gear drives the low-gear idler gear to rotate, the first high-gear transmission gear drives the high-gear idler gear to rotate, if the synchronizer shifting fork is shifted to the low-gear idler gear side, the low-gear idler gear drives the second output shaft to rotate, and if the synchronizer shifting fork is shifted to the high-gear idler gear side, the high-gear idler gear drives the second output shaft to rotate; similarly, the third input shaft drives the output shaft to rotate according to the mode; the power coupling and speed change adjustment of the dual-drive motor are realized through the power coupling speed change device in the AMT device, and the AMT transmission part has high integration degree and compact structure and is convenient for complete machine arrangement.
The present invention will be described in detail with reference to a specific embodiment.
A hybrid tractor power system includes: the system comprises an engine 1, a first generator 2, a second generator 3, a first driving motor 4, a second driving motor 5, an AMT device 6, a power output device 7, a rear axle 8, a rear wheel set 9, an engine controller 10, a first generator controller 11, a second generator controller 12, a vehicle control unit 13, a first driving motor controller 14, a second driving motor controller 15, a high-voltage distribution box 16, a battery management system 17 and a power battery 18.
The engine 1, the first generator 2 and the second generator 3 are sequentially in transmission connection, the second generator 3 is in transmission connection with a first input shaft of the AMT device 6, and a first output shaft of the AMT device 6 is in transmission connection with the power output device 7; the first input shaft is in transmission connection with the first output shaft; the first driving motor 4 is in transmission connection with a second input shaft of the AMT device 6, the second driving motor 5 is in transmission connection with a third input shaft of the AMT device 6, a second output shaft of the AMT device 6 is in transmission connection with a rear axle 8, and the rear axle 8 is in transmission connection with a rear wheel set 9. The second input shaft and the third input shaft are in transmission connection with the second output shaft; the first input shaft, the second input shaft, the third input shaft, the first output shaft and the second output shaft are arranged in parallel.
The first generator 2 is connected with a high-voltage power distribution device 16 through a first generator controller 11, the second generator 3 is connected with the high-voltage power distribution device 16 through a second generator controller 12, the first driving motor 4 is connected with the high-voltage power distribution device 16 through a first motor controller 14, the second driving motor 5 is connected with the high-voltage power distribution device 16 through a second driving motor controller 15, and the high-voltage power distribution device 16 is connected with a power battery 18.
The first generator controller 11, the second generator controller 12, the first driving motor controller 14 and the second driving motor controller 15 are all connected with the vehicle control unit 13; the vehicle control unit 13 is connected with the engine controller 10, the engine controller 10 is connected with the engine 1, the vehicle control unit 13 is connected with the battery management system 17, and the battery management system 17 is connected with the power battery 18.
The vehicle control unit 13 collects information of the first generator controller 11, the second generator controller 12, the first driving motor controller 14, the second driving motor controller 15, the engine controller 10 and the battery management system 17 to control the first generator 2 and the second generator 3 to generate power, and the power is directly supplied to the first driving motor 4 and the second driving motor 5 to work through the high-voltage distribution box 16. The power battery 18 mainly serves as an energy buffer.
Specifically, the AMT device 6 includes a first input shaft 6-1, a first output shaft 6-20, a second input shaft 6-4, a first intermediate shaft 6-7, a second output shaft 6-18, a second intermediate shaft 6-15, and a third input shaft 6-12, which are arranged in parallel with each other.
A first driving gear 6-2 is fixed on the first input shaft 6-1, a first driven gear 6-3 is fixed on the first output shaft 6-20, and the first driving gear 6-2 is meshed with the first driven gear 6-3. A second driving gear 6-5 is fixed on the second input shaft 6-4, a second driven gear 6-6, a first low-gear transmission gear 6-8 and a first high-gear transmission gear 6-19 are fixed on the first intermediate shaft 6-7, and the second driving gear 6-5 is meshed with the second driven gear 6-6. A low-grade idler gear 6-9 and a high-grade idler gear 6-17 are fixed on a second output shaft 6-18, and the low-grade idler gear 6-9 is connected with the high-grade idler gear 6-17 through a synchronizer 6-16; the first low-gear transmission gear 6-8 is meshed with the low-gear idle gear 6-9, and the first high-gear transmission gear 6-19 is meshed with the high-gear idle gear 6-17. A third driven gear 6-10, a second low-gear transmission gear 6-11 and a second high-gear transmission gear 6-14 are fixed on the second intermediate shaft; the second low-gear transmission gear 6-11 is meshed with the low-gear idle gear 6-9, and the second high-gear transmission gear 6-14 is meshed with the high-gear idle gear 6-17. A third driving gear 6-13 is fixed on the third input shaft 6-12, and the third driving gear 6-13 is meshed with a third driven gear 6-10.
The embodiment of the utility model provides a hybrid tractor driving system during operation, engine 1 drives first generator 2 and the work of second generator 3, and first generator 2 and second generator 3 supply with the electric energy for first driving motor 4 and second driving motor 5 through high voltage distribution box 16, and it is undulant to come the buffering energy through power battery simultaneously. The generator 1 powers the power output device 7 through the first input shaft and the first output shaft of the AMT device, and can realize a speed change function.
The first driving motor 4 drives the second input shaft of the AMT device 6 to rotate, the second driving motor 5 drives the third input shaft of the AMT device 6 to rotate, the second input shaft and the third input shaft realize power coupling and speed change functions through the first intermediate shaft, the second intermediate shaft and related gears, and output power to the rear axle through the second output shaft, and the rear axle drives the rear wheel set to rotate.
In the power system of the hybrid tractor provided by the embodiment of the utility model, the power generated by the first driving motor 4 and the second driving motor 5 is coupled by the AMT device 6 and is transmitted to the wheels through the rear axle, so as to drive the vehicle to walk; the power generated by the engine 1 can be used for generating electricity by the first generator 2 and the second generator 3 and can be transmitted to a power output device 7 through an AMT device 6; the two power transmission routes are independent in the AMT device 6. The embodiment of the utility model provides a hybrid tractor power system compact structure, AMT device integrated level is high, is convenient for the complete machine to arrange; economic, environment-friendly, energy-saving and efficient.
The embodiment of the utility model provides a tractor is still provided, including above-mentioned technical scheme's hybrid tractor driving system.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A hybrid tractor power system, comprising: the system comprises an engine, a first generator, a second generator, a first driving motor, a second driving motor, an AMT device, a power output device, a rear axle, a rear wheel set, a high-voltage power distribution device and a power battery;
the engine, the first generator and the second generator are sequentially in transmission connection, the second generator is in transmission connection with the first input shaft of the AMT device, and the first output shaft of the AMT device is in transmission connection with the power output device; the first input shaft is in transmission connection with the first output shaft;
the first driving motor is in transmission connection with a second input shaft of the AMT device, the second driving motor is in transmission connection with a third input shaft of the AMT device, a second output shaft of the AMT device is in transmission connection with the rear axle, and the rear axle is in transmission connection with the rear wheel set; the second input shaft and the third input shaft are in transmission connection with the second output shaft; the first input shaft, the second input shaft, the third input shaft, the first output shaft and the second output shaft are arranged in parallel;
the first generator, the second generator, the first driving motor and the second driving motor are all electrically connected with the high-voltage distribution device, and the high-voltage distribution device is electrically connected with the power battery.
2. A hybrid tractor power system as defined in claim 1, wherein the first input shaft has a first drive gear affixed thereto, and the first output shaft has a first driven gear affixed thereto, the first drive gear being in meshing engagement with the first driven gear.
3. A hybrid tractor power system as defined in claim 1, wherein a second drive gear is fixed to the second input shaft, a third drive gear is fixed to the third input shaft, and the second drive gear and the third drive gear are both in mesh with a power coupling transmission; and the power coupling speed change device is in transmission connection with the second output shaft.
4. The hybrid tractor power system as defined in claim 3, wherein the power coupling transmission includes a first intermediate shaft and a second intermediate shaft disposed parallel to the second input shaft;
a second driven gear, a first low-gear transmission gear and a first high-gear transmission gear are fixed on the first intermediate shaft, and the second driven gear is meshed with the second driving gear;
a low-grade idle gear and a high-grade idle gear are fixed on the second output shaft, and the low-grade idle gear is connected with the high-grade idle gear through a synchronizer; the first low-gear transmission gear is meshed with the low-gear idler gear, and the first high-gear transmission gear is meshed with the high-gear idler gear;
a third driven gear, a second low-grade transmission gear and a second high-grade transmission gear are fixed on the second intermediate shaft; the third driven gear is meshed with the third driving gear, the second low-gear transmission gear is meshed with the low-gear idler gear, and the second high-gear transmission gear is meshed with the high-gear idler gear.
5. The hybrid tractor power system according to any one of claims 1 to 4, further comprising a vehicle control unit, and an engine controller, a first generator controller, a second generator controller, a first drive motor controller, and a second drive motor controller connected to the vehicle control unit;
the vehicle control unit controls the engine through the engine controller, controls the first generator through the first generator controller, controls the second generator through the second generator controller, controls the first driving motor through the first driving motor controller, and controls the second driving motor through the second driving motor controller.
6. The hybrid tractor power system of claim 5, further comprising a battery management system coupled to the vehicle control unit and the power battery.
7. A tractor comprising the hybrid tractor power system according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221955247.5U CN217863691U (en) | 2022-07-27 | 2022-07-27 | Hybrid tractor power system and tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221955247.5U CN217863691U (en) | 2022-07-27 | 2022-07-27 | Hybrid tractor power system and tractor |
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| Publication Number | Publication Date |
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| CN217863691U true CN217863691U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221955247.5U Active CN217863691U (en) | 2022-07-27 | 2022-07-27 | Hybrid tractor power system and tractor |
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| Country | Link |
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| CN (1) | CN217863691U (en) |
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2022
- 2022-07-27 CN CN202221955247.5U patent/CN217863691U/en active Active
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