CN114604075A - Heavy truck hybrid system with combined power take-off and limping home functions - Google Patents
Heavy truck hybrid system with combined power take-off and limping home functions Download PDFInfo
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- CN114604075A CN114604075A CN202210300101.5A CN202210300101A CN114604075A CN 114604075 A CN114604075 A CN 114604075A CN 202210300101 A CN202210300101 A CN 202210300101A CN 114604075 A CN114604075 A CN 114604075A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K25/00—Auxiliary drives
- B60K25/02—Auxiliary drives directly from an engine shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/543—Transmission for changing ratio the transmission being a continuously variable transmission
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/50—Control strategies for responding to system failures, e.g. for fault diagnosis, failsafe operation or limp mode
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a heavy truck hybrid system with combined power take-off and limp home functions, belonging to the technical field of heavy truck transmission systems.A motor is connected with a rear planet carrier through a central shaft; the rear sun wheel is connected with an inner hollow shaft connected with a generator; the front sun wheel is connected with an outer hollow shaft connected with a driving motor; the transfer shaft is connected with the central shaft, is provided with a transfer shaft gear hub, and is rotatably provided with a transfer shaft rear gear and a transfer shaft rear gear hub; the power takeoff is connected with the power takeoff shaft gear hub; the shell is provided with a sliding sleeve locking device and a composite sliding sleeve. The generator and the engine regulate the speed of the rear sun gear and the rear planet carrier, realize stepless speed change, decoupling of the engine speed and the vehicle speed, and adjust the sliding sleeve locking device to realize switching of various modes; the torque compensation of the generator and the engine realizes uninterrupted output power in gear shifting; the composite sliding sleeve realizes limping home, power taking of the driving motor and power taking of the engine, and the engine power is covered under the full working condition when an electric appliance fails, so that the requirement of complex working conditions of heavy trucks is met.
Description
Technical Field
The invention belongs to the technical field of heavy truck transmission systems, and particularly relates to a heavy truck hybrid system with combined power take-off and limp home functions.
Background
The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure.
The new energy automobile comprises four types of Hybrid Electric Vehicles (HEV), pure electric vehicles (BEV, including solar vehicles), Fuel Cell Electric Vehicles (FCEV), other new energy (such as efficient energy storage devices like super capacitors and flywheels) automobiles and the like. Unconventional automotive fuels refer to fuels other than gasoline, diesel.
In the field of heavy trucks, hybrid systems have a large development space. At present, a hybrid system of a heavy truck usually adopts a P2 parallel configuration, the structure of a gearbox adopted by the configuration is basically consistent with that of a traditional energy gearbox, and the problems of gear shifting power interruption, difficulty in axial arrangement, incapability of decoupling of engine speed and vehicle speed and the like exist. The power split type hybrid configuration adopted in the field of passenger vehicles can realize stepless speed regulation and no power interruption during driving, but has simple structure and small transmission torque, and cannot be well adapted to the field of heavy trucks with more complex working conditions.
On the other hand, the heavy engineering vehicle needs to be additionally provided with a power takeoff due to functional use, and the engine and the motor cannot work simultaneously due to different working modes of the hybrid system under different working conditions, so that the feasibility that the engine and the motor both have power takeoff cannot be ensured. When an electrical fault occurs in the conventional dual-motor power split hybrid architecture, the vehicle cannot be normally driven by the engine because the vehicle does not have a limp home module driven by multiple gears, and the use requirement of the heavy vehicle under complex working conditions cannot be met.
At present, a complete heavy vehicle hybrid system is not available, and the requirements that both a motor and an engine can take power in different working modes and the engine can still normally drive the vehicle when an electric appliance fails can be met.
Disclosure of Invention
In order to solve the problems, the invention provides a heavy truck hybrid system with the functions of compound power take-off and limp home, wherein both a motor and an engine can take power in different working modes, and the engine can still normally drive a vehicle to run when an electric appliance fails, so that the use requirement of the heavy vehicle under complex working conditions is met.
The invention is realized by the following technical scheme:
a heavy truck hybrid system with composite power take-off and limp home functions comprises a shell, a generator, a driving motor, an engine, an axle, a double-planet-row power coupling mechanism, a transfer shaft and a power take-off;
the double-planet-row power coupling mechanism comprises a front planet-row power coupling mechanism and a rear planet-row power coupling mechanism, wherein outer rings of planet gears of the front planet-row power coupling mechanism and the rear planet-row power coupling mechanism are meshed with a gear ring together, and the gear ring is in transmission connection with an axle;
the engine is connected with a rear planet carrier of the rear planet row power coupling mechanism through a central shaft; the rear sun gear of the rear planet row power coupling mechanism is connected with an inner hollow shaft, and the generator is in transmission connection with the inner hollow shaft; the front sun gear of the front planet row power coupling mechanism is connected with an outer hollow shaft, and the driving motor is in transmission connection with the outer hollow shaft through a driving motor gearbox system;
the transfer shaft is in transmission connection with the central shaft, a transfer shaft gear hub is arranged on the transfer shaft, a transfer shaft rear gear meshed with a gear in a drive motor gearbox system is rotatably arranged on the transfer shaft, and the transfer shaft rear gear is connected with a transfer shaft rear gear hub;
the power takeoff is connected with a power takeoff shaft gear hub through a power takeoff shaft;
the shell is provided with a sliding sleeve locking device which can respectively lock the central shaft and the inner hollow shaft and a composite sliding sleeve which can respectively connect the rear gear hub of the transfer shaft, the transfer shaft hub and the power take-off shaft hub in pairs.
In a further development of the invention, the central shaft, the inner hollow shaft and the outer hollow shaft are arranged coaxially from inside to outside.
The invention is further improved, and the driving motor gearbox system comprises a fifth transmission gear connected with the output shaft of the driving motor, a sixth transmission gear connected with the output shaft of the driving motor through a connecting shaft, a seventh transmission gear and an eighth transmission gear; the fifth transmission gear is meshed with the sixth transmission gear; a second transmission gear and a first transmission gear which are respectively meshed with the seventh transmission gear and the eighth transmission gear are rotatably arranged on the outer hollow shaft; a main box synchronizer which can be respectively connected with the second transmission gear and the first transmission gear is arranged on the outer hollow shaft; and a front planet carrier of the front planet row power coupling mechanism is provided with an auxiliary box synchronizer which can be respectively connected with the front sun gear and the shell.
The invention is further improved by that a tenth transmission gear is arranged on the central shaft, and an eleventh transmission gear meshed with the tenth transmission gear is arranged on the transfer shaft; the rear gear of the transfer shaft is meshed with the seventh transmission gear.
The invention is further improved in that the sliding sleeve locking device comprises a central shaft gear hub connected and installed with the central shaft, an inner hollow shaft gear hub connected and installed with the inner hollow shaft and a sliding sleeve installed on the shell; the sliding sleeve is provided with three gears which are respectively connected with the central shaft gear hub, the inner hollow shaft gear hub and a neutral gear.
The main box synchronizer is provided with three gears which are respectively connected with the second transmission gear, the first transmission gear and the neutral gear; the auxiliary box synchronizer is provided with two gears which are respectively connected with the front sun gear and the shell.
The invention further improves that a torque transmission plate for connecting with the auxiliary box synchronizer is arranged on the shell.
The invention further improves that the engine is in transmission connection with the central shaft through a clutch.
The invention is further improved in that the generator is in transmission connection with the inner hollow shaft through a generator speed reduction system; the generator deceleration system comprises a third transmission gear, a fourth transmission gear and a ninth transmission gear which are sequentially meshed; the third transmission gear is connected with an output shaft of the generator, and the ninth transmission gear is connected with the inner hollow shaft.
The invention is further improved in that the central shaft, the inner hollow shaft and the outer hollow shaft are rotatably mounted with the housing through bearings, respectively.
According to the technical scheme, the invention has the beneficial effects that:
the power of the driving motor is transmitted to the front sun gear through a driving motor gearbox system; the power of the engine is transmitted to the rear planet carrier through the central shaft; the generator is in transmission connection with the rear sun gear through the inner hollow shaft, so that the rotation speed of the rear sun gear can be adjusted and the reverse charging can be realized, and the three powers are coupled under different conditions through the double-planet-row power coupling mechanism. The whole structure is simple, the design is compact, and the practicability is good.
The speed of the rear sun wheel and the rear planet carrier is regulated through the generator and the engine respectively, stepless speed change, engine rotating speed and vehicle speed decoupling are achieved, the engine can continuously run in a high-efficiency interval at a constant speed, the oil saving rate is improved, and the running economy of the whole vehicle is improved. The speed ratio range of the gearbox can be widened by adjusting the main box synchronizer and the auxiliary box synchronizer so as to enhance the dynamic property of the whole vehicle. The flexible switching of a pure electric mode, a hybrid mode and an engine direct-drive mode under complex working conditions is realized by adjusting the position of the sliding sleeve locking device. And the uninterrupted output power in the gear shifting process under each working mode is realized through the torque compensation of the generator and the engine.
Through the left, middle and right adjustment of the composite sliding sleeve, three working modes of limping home, driving motor power take-off and engine power take-off can be respectively realized. The engine power realizes that full operating mode covers when realizing that electrical apparatus trouble motor can't the during operation, and the vehicle need not the trailer, improves operation efficiency, also can realize that engine or motor all can the power of getting, satisfies the power of getting demand under the different operating modes of whole car, guarantees to satisfy the user demand of the complicated operating mode of heavy vehicle.
The heavy truck hybrid system with the combined power take-off and limping home functions can be widely applied to the field of new-energy commercial vehicles, particularly heavy trucks with complex working conditions and more uphill and downhill, improves the comfort, safety and economy of the whole vehicle while ensuring the power performance of the whole vehicle, and has wide popularization and application prospect and good practicability.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic structural view of a sliding sleeve locking device according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of the composite sliding sleeve in different positions according to the embodiment of the present invention.
In the drawings: 1. a central shaft, 2, a housing, 3, a front planet carrier, 4, a front sun gear, 5, a gear ring, 6, a double-planet-row power coupling mechanism, 7, a rear planet carrier, 8, an output shaft, 9, a rear sun gear, 10, an inner hollow shaft, 11, a torque plate, 12, a sub-box synchronizer, 13, a first transmission gear, 14, a main box synchronizer, 15, a second transmission gear, 16, a third transmission gear, 17, an outer hollow shaft, 18, a sliding sleeve locking device, 19, a fourth transmission gear, 20, an axle, 21, a fifth transmission gear, 22, a sixth transmission gear, 23, a seventh transmission gear, 24, an eighth transmission gear, 25, a connecting shaft, 26, a generator, 27, a driving motor, 28, an engine, 29, a clutch, 30, an inner hollow shaft gear hub, 31, a sliding sleeve, 32, a shifting fork, 33, a central shaft gear hub, 34, a ninth gear, 35, a tenth transmission gear, 36. eleventh transmission gear 37, adapter shaft 38, power take-off 39, adapter shaft rear gear 40, composite sliding sleeve 41, adapter shaft gear hub 42, power take-off 43, power take-off gear hub 44 and adapter shaft rear gear hub.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
As shown in fig. 1-3, the present invention discloses a heavy truck hybrid system with compound power take-off and limp-home functions, which comprises a housing 2, a generator 26, a driving motor 27, an engine 28, an axle 20, a double-planet-row power coupling mechanism 6, a transfer shaft 37 and a power take-off 38;
the double-planet-row power coupling mechanism 6 comprises a front planet-row power coupling mechanism and a rear planet-row power coupling mechanism; the front planet row power coupling mechanism comprises a front sun gear 4, a front planet carrier 3 and a plurality of planet gears arranged on the front planet carrier 3, and the rear planet row power coupling mechanism comprises a rear sun gear 9, a rear planet carrier 7 and a plurality of planet gears arranged on the rear planet carrier 7; the outer rings of a plurality of planetary gears of the front planetary row power coupling mechanism and the rear planetary row power coupling mechanism are meshed with a gear ring 5 together, the gear ring 5 is rotatably connected and installed with the shell 2 through a bearing, and the gear ring 5 is in transmission connection with the axle 20 through an output shaft 8 so as to drive wheels to realize advancing;
the engine 28 is connected with the rear planet carrier 7 through the central shaft 1; the rear sun gear 9 is connected with an inner hollow shaft 10, and the generator 26 is in transmission connection with the inner hollow shaft 10; the front sun wheel 4 is connected with an outer hollow shaft 17, and a driving motor 27 is in transmission connection with the outer hollow shaft 17 through a driving motor gearbox system;
the adapter shaft 37 is rotatably mounted on the shell 2 through a bearing, the adapter shaft 37 is in transmission connection with the central shaft 1, the adapter shaft 37 is connected with an adapter shaft gear hub 41, and is rotatably mounted with an adapter shaft rear gear 39 meshed with a gear in a drive motor gearbox system, the adapter shaft rear gear 39 is connected with an adapter shaft rear gear hub 44 through a sleeve, and the sleeve is rotatably sleeved on the adapter shaft 37 through a needle bearing;
the power takeoff 38 is connected with a power takeoff shaft gear hub 43 through a power takeoff shaft 42;
the shell 2 is provided with a sliding sleeve locking device 18 which can respectively lock the central shaft 1 and the inner hollow shaft 10, and a composite sliding sleeve 40 which can respectively connect the rear gear hub 44 of the transfer shaft, the transfer shaft hub 41 and the power take-off shaft hub 43 in pairs; the inner side of the composite sliding sleeve 40 is provided with an internal spline, the internal spline is divided into three sections by the two grooves, and two of the rear gear hub 44 of the switching shaft, the gear hub 41 of the switching shaft and the gear hub 43 of the power take-off shaft can be selectively connected by adjusting the axial position of the composite sliding sleeve 40, so that limp home, flexible switching of power take-off modes of the driving motor and the power take-off mode of the engine can be realized.
The central shaft 1, the inner hollow shaft 10 and the outer hollow shaft 17 are coaxially arranged from inside to outside, the spatial arrangement is more compact, and higher integration level is ensured.
As shown in fig. 1, the driving motor gearbox system comprises a fifth transmission gear 21 connected with an output shaft of a driving motor 27, a sixth transmission gear 22, a seventh transmission gear 23 and an eighth transmission gear 24 connected and installed through a connecting shaft 25; the fifth transmission gear 21 is meshed with the sixth transmission gear 22; a second transmission gear 15 and a first transmission gear 13 which are respectively meshed with a seventh transmission gear 23 and an eighth transmission gear 24 are rotatably arranged on the outer hollow shaft 17; a main box synchronizer 14 which can be respectively connected with the second transmission gear 15 and the first transmission gear 13 is arranged on the outer hollow shaft 17; a front planet carrier 3 of the front planet row power coupling mechanism is provided with a sub-box synchronizer 12 which can be respectively connected with the front sun gear 4 and the shell 2. The front planet carrier 3 is connected with the auxiliary box synchronizer 12 through a sleeve, and the sleeve is rotatably sleeved on the outer side of the outer hollow shaft 17. Through the arrangement of the main box synchronizer 14 and the auxiliary box synchronizer 12, the arrangement of a plurality of gears can be realized, the speed ratio range of the gearbox can be widened, and the dynamic property of the whole vehicle is enhanced.
The second transmission gear 15, the first transmission gear 13 and the front planet row power coupling mechanism are sequentially arranged from left to right, the main box synchronizer 14 is arranged between the second transmission gear 15 and the first transmission gear 13, and the auxiliary box synchronizer 12 is arranged between the first transmission gear 13 and the front planet row power coupling mechanism. The compactness and the rationality of the spatial arrangement are ensured.
The transmission ratio of the seventh transmission gear 23 to the second transmission gear 15 is different from the transmission ratio of the eighth transmission gear 24 to the first transmission gear 13, so that a wider rotating speed output range can be ensured. The former gear ratio is smaller than the latter gear ratio, and can be respectively 1: 4 and 1: 8.
as shown in fig. 1, a tenth transmission gear 35 is mounted on the central shaft 1, and an eleventh transmission gear 36 engaged with the tenth transmission gear 35 is mounted on the changeover shaft 37; the transfer shaft rear gear 39 meshes with the seventh transfer gear 23. The power transmission from the central shaft 1 to the adapter shaft 37 is stably and reliably realized through the engagement of the tenth transmission gear 35 and the eleventh transmission gear 36; the seventh transmission gear 23 is meshed with the rear gear 39 of the transfer shaft, so that the power take-off of the driving motor can be realized.
As shown in fig. 1-2, the sliding sleeve locking device 18 comprises a central shaft gear hub 33 mounted in connection with the central shaft 1, an inner hollow shaft gear hub 30 mounted in connection with the inner hollow shaft 10, and a sliding sleeve 31 mounted on the housing 2; the sliding sleeve 31 has three gears, namely, a connection with the central shaft gear hub 33, a connection with the inner hollow shaft gear hub 30 and a neutral gear. A fork 32 for adjusting the slide bush 31 to the left and right is also attached to the housing 2. The inner ring and the outer ring of the sliding sleeve 31 are respectively provided with an inner spline and an outer spline, the outer ring of the sliding sleeve 31 is provided with a radial groove, and the shifting fork 32 is inserted into the groove. An inner ring of the shell 2 is provided with an internal spline, and two axial grooves are symmetrically distributed on two sides of the shell 2, so that the shifting fork 32 is allowed to drive the sliding sleeve 31 to axially translate in the internal spline of the shell. The inner hollow shaft gear hub 30 is connected with the inner hollow shaft 10 through a spline, and when the sliding sleeve inner spline is connected with the inner hollow shaft gear hub spline, the inner hollow shaft 10 cannot rotate. The central shaft gear hub 33 is connected with the central shaft 1 through splines, and when the sliding sleeve internal splines are connected with the central shaft gear hub external splines, the central shaft 1 cannot rotate. The sliding sleeve 31 of the sliding sleeve locking device 18 is in the left, middle and right gears, so that the pure electric mode, the direct drive mode of the engine and the hybrid mode can be flexibly switched.
Through the adjustment of the main box synchronizer 14 and the auxiliary box synchronizer 12, the following four gear adjustment can be realized:
when the auxiliary box synchronizer 12 moves rightwards, the front planet carrier 3 is connected with the shell 2 through a synchronizer spline, at the moment, the front planet carrier 3 is fixed, and the auxiliary box is in a low gear area; when the auxiliary box synchronizer 12 moves leftwards, the front planet carrier 3 is connected with the front sun gear 4 through the synchronizer spline, the rotating speed of the front sun gear 4 is consistent with that of the gear ring 5, and at the moment, the auxiliary box is in a high gear area.
The main box synchronizer 14 moves left and right to realize the connection with the second transmission gear 15 and the first transmission gear 13 respectively, and the gears are respectively a high gear and a low gear; so that the main box has a high range and a low range.
The high and low gear areas of the main box are respectively combined with the high and low gear areas of the auxiliary box (the respective left and right gears of the main box synchronizer 14 and the auxiliary box synchronizer 12 are adjusted), so that the four gears can be flexibly arranged: high gear, medium low gear and low gear.
By adjusting the position of the sliding sleeve 31 of the sliding sleeve locking device 18 (connected with the central shaft gear hub 33, connected with the inner hollow shaft gear hub 30 and neutral), the flexible switching among the pure electric mode, the engine direct drive mode and the hybrid mode can be realized. The method comprises the following specific steps:
pure electric mode: the sliding sleeve 31 is operated by the shifting fork 32 to move leftwards, the internal spline of the sliding sleeve 31 is connected with the external spline of the central shaft gear hub 33, the central shaft 1 is fixed, and the power of the driving motor 27 is transmitted to the front sun gear 4 through the external hollow shaft 17; according to the actual power demand of the whole vehicle, the generator 26 can selectively participate in driving, the power of the generator 26 is transmitted to the rear sun gear 9 through the inner hollow shaft 10, and the power is coupled and transmitted to the output shaft 8 at the gear ring 5.
Direct drive mode of the engine: the sliding sleeve 31 is operated by the shifting fork 32 to move rightwards, the internal spline of the sliding sleeve 31 is connected with the external spline of the inner hollow shaft gear hub 30, the inner hollow shaft 10 and the rear sun gear 9 are fixed, and the power of the engine 28 is transmitted to the rear planet carrier 7 through the central shaft 1 and is transmitted to the output shaft 8 through the gear ring 5.
Mixing mode: the sliding sleeve 31 is in a middle neutral position, the internal spline of the sliding sleeve 31 is not connected with any part, the power of the engine 28 is transmitted to the rear planet carrier 7 through the central shaft 1 for power splitting, the power is respectively split to the gear ring 5 and the rear sun gear 9, and the rear sun gear 9 is transmitted to the generator 26 through the inner hollow shaft 10 for power generation. When the power is insufficient, the power of the driving motor 27 is transmitted to the front sun gear 4 through the outer hollow shaft 17, and the power of the driving motor 27 and the power of the engine 28 are in power coupling at the gear ring 5 for output. In the constant-speed high-efficiency interval of the engine 28, the rotating speed of the generator 26 is controlled, so that the rotating speed of the rear sun gear 9 can be adjusted to change the rotating speed of the output shaft 8, and at the moment, the rotating speed of the engine 28 and the vehicle speed are decoupled and are in stepless speed change.
When the pure electric mode gearbox shifts gears, the sliding sleeve 31 is positioned at the left end to lock the central shaft 1, and the power of the generator 26 is transmitted to the gear ring 5 through the inner hollow shaft 10 and the rear sun gear 9 to perform torque compensation. In a hybrid mode, the engine 28 compensates the torque by driving the rear carrier 7 to transfer power to the ring gear 5. Uninterrupted power output during shifts in each operating mode is achieved by torque compensation of generator 26 and engine 28.
As shown in fig. 3, by adjusting the composite sliding sleeve 40 left, center and right, the meshing between the transfer shaft gear hub 41 and the transfer shaft rear gear hub 44, the meshing between the power take-off shaft gear hub 43 and the transfer shaft rear gear hub 44, and the meshing between the transfer shaft gear hub 41 and the power take-off shaft gear hub 43 can be realized, so that three working modes of limp home, power take-off of the driving motor and power take-off of the engine can be realized. The method comprises the following specific steps:
limp home mode: operating the composite sliding sleeve 40 to the leftmost position, wherein the internal spline of the composite sliding sleeve 40 is connected with the external splines of the rear gear hub 44 and the gear hub 41 of the transfer shaft, and the sliding sleeve 31 in the sliding sleeve locking device 18 is in the middle position; when the auxiliary box synchronizer 12 is in a low gear position (the front planet carrier 3 is fixed), the front gear is in a limp home mode; when the auxiliary box synchronizer 12 is in the high gear position (the front planet carrier 3 and the front sun gear 4 are connected through the synchronizer spline), the reverse gear is in a limp home mode. According to the running condition of the whole vehicle, the high gear and the low gear of the limp home mode forward gear or the reverse gear are determined by adjusting the position of the main box synchronizer 14, so that the limp home mode has the forward gear and the reverse gear which both have two gears, and the use requirement of the heavy vehicle under the complex working condition is met. The limp home can drive the vehicle to run normally by the engine 28 when the electric appliance fails, and the power transmission path of the engine 28 is as follows: the central shaft 1, the tenth transmission gear 35, the eleventh transmission gear 36, the transfer shaft 37, the transfer shaft gear hub 41, the composite sliding sleeve 40, the transfer shaft rear gear hub 44, the transfer shaft rear gear 39 (the high gear is the seventh transmission gear 23, the second transmission gear 15, the low gear is the seventh transmission gear 23, the connecting shaft 25, the eighth transmission gear 24, the first transmission gear 13), the outer hollow shaft 17 and the front sun gear 4, and the power is transmitted to the gear ring 5 and the output shaft 8 in sequence through the double-row planetary power coupling mechanism 6, so that the axle 20 can drive the wheels.
The power take-off mode of the engine comprises the following steps: and operating the composite sliding sleeve 40 to the rightmost end position, wherein the internal spline of the composite sliding sleeve 40 is connected with the external splines of the adapter shaft gear hub 41 and the power take-off shaft gear hub 43, and the power transmission path of the engine 28 is as follows: the central shaft 1, the tenth transmission gear 35, the eleventh transmission gear 36, the adapter shaft 37, the adapter shaft gear hub 41, the composite sliding sleeve 40, the power take-off shaft gear hub 43 and the power take-off shaft 42 are finally transmitted to the power take-off device 38, so that the power take-off of the engine is realized.
The power taking mode of the driving motor is as follows: the composite sliding sleeve 40 is operated to the middle position, the internal spline of the composite sliding sleeve 40 is connected with the external splines of the rear gear hub 44 of the transfer shaft and the power take-off shaft hub 43, and the power transmission path of the driving motor 27 is as follows: the fifth transmission gear 21, the sixth transmission gear 22, the connecting shaft 25, the seventh transmission gear 23, the transfer shaft rear gear 39, the transfer shaft rear gear hub 44, the composite sliding sleeve 40, the power take-off shaft hub 43 and the power take-off shaft 42 are finally transmitted to the power take-off device 38, so that the power take-off of the driving motor is realized.
Not only can realize the limping mode of going home through compound sliding sleeve 40, can also realize engine and driving motor's compound power of getting, guarantee to satisfy the user demand of the complicated operating mode of heavy vehicle.
The main box synchronizer 14 has three gears, namely a third gear, a fourth gear and a fourth gear, and is respectively connected with the second transmission gear 15, the first transmission gear 13 and the neutral gear; the range synchronizer 12 has two gears, respectively connected to the front sun gear 4 and to the housing 2. Through the gear adjustment of the main box synchronizer 14 and the auxiliary box synchronizer 12, the realization of multiple working modes can be realized, the structure is simple, and the realization is easy.
Wherein, a torque transmission plate 11 for connecting with a sub-tank synchronizer 12 is installed on the housing 2. The torque transmission plate 11 transmits torque, has high structural strength, and ensures the positioning reliability of the front planet carrier 3 and prevents the rotation of the front planet carrier 3 when the auxiliary box synchronizer 12 is connected with the torque transmission plate 11.
The engine 28 is in driving connection with the central shaft 1 via a clutch 29. The clutch 29 allows flexible disconnection and connection of the power transmission.
Wherein, as shown in fig. 1, the generator 26 is in transmission connection with the inner hollow shaft 10 through a generator speed reducing system; the generator speed reducing system comprises a third transmission gear 16, a fourth transmission gear 19 and a ninth transmission gear 34 which are meshed in sequence; the third transmission gear 16 is connected with the output shaft of the generator 26, and the ninth transmission gear 34 is connected with the inner hollow shaft 10. The generator 26 is in transmission connection with the inner hollow shaft 10 through the third transmission gear 16, the fourth transmission gear 19 and the ninth transmission gear 34, so that the reliability of power transmission of the generator 26 and the stability of reverse charging of the generator 26 are ensured.
Wherein, the central shaft 1, the inner hollow shaft 10 and the outer hollow shaft 17 are respectively rotatably mounted with the shell 2 through bearings. The gear ring 5, the output shaft 8, the central shaft of the fourth transmission gear 19, the connecting shaft 25, the adapter shaft 37 and the power take-off shaft 42 are rotatably mounted with the shell 2 through bearings, and the power take-off 38, the generator 26, the driving motor 27 and the engine 28 are fixedly mounted on the shell 2. It should be noted that the housing 2 refers to a housing which seals the transmission component and is fixedly mounted with the frame; a plurality of the devices can be provided at the same time, such as a transmission shell, a transmission shell and the like; it may be one, and all the transmission components except the axle 20, the generator 26, the engine 28, the driving motor 27 and the power take-off 38 are sealed and packaged.
The heavy truck hybrid system with the functions of compound power taking and limping home has three power sources: a generator 26, a drive motor 27, and an engine 28, and the generator 26 may be reversely charged; the power of the driving motor 27 is transmitted to the front sun gear 4 through a driving motor gearbox system; the power of the engine 28 is transmitted to the rear carrier 7 through the center shaft 1; the generator 26 is in transmission connection with the rear sun gear 9 through the inner hollow shaft 10, so that the rotation speed adjustment and reverse charging of the rear sun gear 9 can be realized, and three powers are coupled under different conditions through the double-planet-row power coupling mechanism 6. The whole structure is simple, the design is compact, and the practicability is good.
The generator 26 and the engine 28 are used for respectively regulating the speed of the rear sun gear 9 and the rear planet carrier 7, stepless speed change, the rotating speed of the engine 28 and decoupling of the vehicle speed are achieved, the engine 28 can continuously run in a high-efficiency interval at a constant speed, the oil saving rate is improved, and the running economy of the whole vehicle is improved. Through the adjustment of the main box synchronizer 14 and the auxiliary box synchronizer 12, the speed ratio range of the gearbox can be widened to enhance the dynamic property of the whole vehicle. The flexible switching of the pure electric mode, the hybrid mode and the direct drive mode of the engine under complex working conditions is realized by adjusting the position of the sliding sleeve 31 of the sliding sleeve locking device 18. Uninterrupted output power during shifts in each operating mode is achieved by torque compensation of the generator 26 and the engine 28.
Through the left, middle and right adjustment of the composite sliding sleeve 40, three working modes of limping home, driving motor power take-off and engine power take-off can be respectively realized. The engine power realizes that full operating mode covers when realizing that electrical apparatus trouble motor can't the during operation, and the vehicle need not the trailer, improves operation efficiency, also can realize that engine or motor all can the power of getting, satisfies the power of getting demand under the different operating modes of whole car, guarantees to satisfy the user demand of the complicated operating mode of heavy vehicle.
The heavy truck hybrid system with the combined power take-off and limping home functions can be widely applied to the field of new-energy commercial vehicles, particularly heavy trucks with complex working conditions and more uphill and downhill, improves the comfort, safety and economy of the whole vehicle while ensuring the power performance of the whole vehicle, and has wide popularization and application prospect and good practicability.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative positions if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A heavy truck hybrid system with combined power take-off and limp home functions is characterized by comprising a shell (2), a generator (26), a driving motor (27), an engine (28), an axle (20), a double-planet-row power coupling mechanism (6), a transfer shaft (37) and a power take-off (38);
the double-planet-row power coupling mechanism (6) comprises a front planet-row power coupling mechanism and a rear planet-row power coupling mechanism, outer rings of planet gears of the front planet-row power coupling mechanism and the rear planet-row power coupling mechanism are meshed with a gear ring (5) together, and the gear ring (5) is in transmission connection with an axle (20);
the engine (28) is connected with a rear planet carrier (7) of the rear planet row power coupling mechanism through a central shaft (1); a rear sun gear (9) of the rear planet row power coupling mechanism is connected with an inner hollow shaft (10), and a generator (26) is in transmission connection with the inner hollow shaft (10); the front sun gear (4) of the front planet row power coupling mechanism is connected with an outer hollow shaft (17), and a driving motor (27) is in transmission connection with the outer hollow shaft (17) through a driving motor gearbox system;
the transfer shaft (37) is in transmission connection with the central shaft (1), a transfer shaft gear hub (41) is installed on the transfer shaft, a transfer shaft rear gear (39) meshed with a gear in a drive motor gearbox system is rotatably installed on the transfer shaft rear gear (39), and a transfer shaft rear gear hub (44) is connected to the transfer shaft rear gear (39);
the power takeoff (38) is connected with a power takeoff shaft gear hub (43) through a power takeoff shaft (42);
the shell (2) is provided with a sliding sleeve locking device (18) which can respectively lock the central shaft (1) and the inner hollow shaft (10) and a composite sliding sleeve (40) which can respectively connect the rear gear hub (44) of the transfer shaft, the transfer shaft hub (41) and the power take-off shaft hub (43) in pairs.
2. The hybrid heavy truck system with combined power take-off and limp home function according to claim 1, characterized in that the central shaft (1), the inner hollow shaft (10) and the outer hollow shaft (17) are coaxially arranged from inside to outside.
3. The hybrid heavy-truck system with hybrid power take-off and limp-home functions as claimed in claim 1, wherein the drive motor gearbox system comprises a fifth transmission gear (21) connected with an output shaft of the drive motor (27), a sixth transmission gear (22), a seventh transmission gear (23) and an eighth transmission gear (24) connected and installed through a connecting shaft (25); the fifth transmission gear (21) is meshed with the sixth transmission gear (22); a second transmission gear (15) and a first transmission gear (13) which are respectively meshed with a seventh transmission gear (23) and an eighth transmission gear (24) are rotatably arranged on the outer hollow shaft (17); a main box synchronizer (14) which can be respectively connected with the second transmission gear (15) and the first transmission gear (13) is arranged on the outer hollow shaft (17); and a front planet carrier (3) of the front planet row power coupling mechanism is provided with an auxiliary box synchronizer (12) which can be respectively connected with the front sun gear (4) and the shell (2).
4. The hybrid heavy-truck system with combined power take-off and limp-home functions as claimed in claim 3, wherein a tenth transmission gear (35) is mounted on the central shaft (1), and an eleventh transmission gear (36) meshed with the tenth transmission gear (35) is mounted on the transfer shaft (37); the rear gear (39) of the transfer shaft is meshed with the seventh transmission gear (23).
5. The hybrid heavy truck system with hybrid power take-off and limp home function as claimed in claim 1, wherein the sliding sleeve locking device (18) comprises a central shaft gear hub (33) installed in connection with the central shaft (1), an inner hollow shaft gear hub (30) installed in connection with the inner hollow shaft (10), and a sliding sleeve (31) installed on the housing (2); the sliding sleeve (31) has three gears, namely a gear connected with the central shaft gear hub (33), a gear connected with the inner hollow shaft gear hub (30) and a neutral gear.
6. The hybrid heavy truck system with hybrid power take-off and limp-home functionality according to claim 3, characterized in that the main box synchronizer (14) has three gears, respectively connected to the second transmission gear (15), to the first transmission gear (13) and neutral; the auxiliary box synchronizer (12) is provided with two gears which are respectively connected with the first transmission gear (13) and the shell (2).
7. The hybrid heavy truck system with hybrid power take-off and limp home function according to claim 3, characterized in that the housing (2) is mounted with a torque plate (11) for connection with the sub-tank synchronizer (12).
8. The hybrid heavy truck system with hybrid power take-off and limp-home functionality according to claim 1, characterized in that the engine (28) is in driving connection with the central shaft (1) via a clutch (29).
9. The hybrid heavy truck system with hybrid power take-off and limp-home functionality according to claim 1, characterized in that the generator (26) is in driving connection with the inner hollow shaft (10) through a generator reduction system; the generator speed reduction system comprises a third transmission gear (16), a fourth transmission gear (19) and a ninth transmission gear (34) which are meshed in sequence; the third transmission gear (16) is connected with an output shaft of the generator (26), and the ninth transmission gear (34) is connected with the inner hollow shaft (10).
10. The hybrid heavy truck system with combined power take-off and limp home functions as claimed in claim 1, characterized in that the central shaft (1), the inner hollow shaft (10) and the outer hollow shaft (17) are rotatably mounted with the housing (2) by means of bearings, respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210300101.5A CN114604075A (en) | 2022-03-25 | 2022-03-25 | Heavy truck hybrid system with combined power take-off and limping home functions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210300101.5A CN114604075A (en) | 2022-03-25 | 2022-03-25 | Heavy truck hybrid system with combined power take-off and limping home functions |
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| US20210146768A1 (en) * | 2018-04-04 | 2021-05-20 | Avl Commercial Driveline & Tractor Engineering | Transmission arrangement for a motor vehicle and method for operating a hybrid vehicle |
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| WO2022041545A1 (en) * | 2020-08-28 | 2022-03-03 | 广西玉柴机器股份有限公司 | Three-gear parallel-shaft dual-motor three-planetary gear set hybrid power system |
| CN216101509U (en) * | 2021-08-06 | 2022-03-22 | 广西玉柴机器股份有限公司 | Four-gear lameable double-motor double-planet-row hybrid power system with power taking module |
| CN115008997A (en) * | 2022-08-10 | 2022-09-06 | 中国重汽集团济南动力有限公司 | Dual-motor multi-gear series-parallel connection system suitable for heavy truck |
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2022
- 2022-03-25 CN CN202210300101.5A patent/CN114604075A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5669842A (en) * | 1996-04-29 | 1997-09-23 | General Motors Corporation | Hybrid power transmission with power take-off apparatus |
| US20210146768A1 (en) * | 2018-04-04 | 2021-05-20 | Avl Commercial Driveline & Tractor Engineering | Transmission arrangement for a motor vehicle and method for operating a hybrid vehicle |
| CN111114305A (en) * | 2019-12-17 | 2020-05-08 | 凯博易控车辆科技(苏州)股份有限公司 | Commercial vehicle power system with limping and power taking functions |
| WO2022041545A1 (en) * | 2020-08-28 | 2022-03-03 | 广西玉柴机器股份有限公司 | Three-gear parallel-shaft dual-motor three-planetary gear set hybrid power system |
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