CN110758085A - Planetary gear power transmission structure for new energy automobile power distribution - Google Patents
Planetary gear power transmission structure for new energy automobile power distribution Download PDFInfo
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- CN110758085A CN110758085A CN201911212944.4A CN201911212944A CN110758085A CN 110758085 A CN110758085 A CN 110758085A CN 201911212944 A CN201911212944 A CN 201911212944A CN 110758085 A CN110758085 A CN 110758085A
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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
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/121—Power-transmission from drive shaft to hub
- B60B35/122—Power-transmission from drive shaft to hub using gearings
- B60B35/125—Power-transmission from drive shaft to hub using gearings of the planetary 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
- B60K6/22—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
- B60K6/24—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 combustion engines
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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
- B60K6/26—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 motors or the generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
- B62D3/12—Steering gears mechanical of rack-and-pinion type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
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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
Abstract
The invention discloses a planetary gear power transmission structure for power splitting of a new energy automobile, which comprises a bottom beam, wherein a mounting frame is mounted on the bottom beam, a planetary wheel carrier is mounted on the mounting frame, a front bridge and a rear bridge are respectively arranged on two sides of the bottom beam, differentials are mounted on the front bridge and the rear bridge, second rotating shafts are respectively rotatably mounted on two sides of the front bridge and the rear bridge, the front bridge and the rear bridge are rotatably connected with bogies through the second rotating shafts, two first rotating shafts are symmetrically arranged on the two bogies, and the two first rotating shafts are respectively rotatably connected with two sides of a linkage arm. According to the invention, the first steering motor can ensure that the steering of the inner ring of the hub bearing is more flexible, compensation is provided for the steering of the second steering motor, and the technical problem that the single differential of the new energy power automobile in the prior art can not ensure the sensitivity of the automobile steering time is solved.
Description
Technical Field
The invention relates to the technical field of new energy vehicles, in particular to a planetary gear power transmission structure for power splitting of a new energy vehicle.
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, forms an automobile with advanced technical principle, new technology and new structure, and comprises a pure electric automobile, an extended range electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile, other new energy automobiles and the like.
Patent document (201910651719.4) discloses a power transmission mechanism for a new energy automobile, which can buffer and absorb shock during driving of the automobile transmission mechanism through a buffer device, thereby avoiding loosening of parts of the transmission mechanism and ensuring normal driving of the automobile; the rotating speed of an automobile engine can be changed through the transmission device, the climbing performance is enhanced, and the noise is reduced; the transmission gear can be fully lubricated by the lubricating device, abrasion caused by long-time rotation of the transmission gear is avoided, and the service life of the transmission gear is prolonged. However, the automobile power driving effect of the transmission mechanism is not high, and meanwhile, the number of gears of the transmission mechanism is large, noise caused by the fact that the gears rotate in an meshed mode is not small, and meanwhile, the transmission efficiency of the whole new energy automobile can be reduced. Moreover, the new energy power automobile in the prior art is steered through the differential, and when the differential fails, the steering performance of the automobile is affected.
Disclosure of Invention
The invention aims to provide a planetary gear power transmission structure for power splitting of a new energy automobile, and the planetary gear power transmission structure is used for solving the following technical problems: (1) the output shaft of a second steering motor drives a second chain wheel, a third chain wheel and a fourth chain wheel to rotate simultaneously, the third chain wheel drives a fifth chain wheel to rotate through a chain, the fifth chain wheel drives a steering gear on a front bridge frame to rotate through a first connecting rod, the fourth chain wheel drives a sixth chain wheel to rotate through a chain, the sixth chain wheel drives a steering gear on a rear bridge frame to rotate through a second connecting rod, two steering gears respectively drive sector teeth on the front bridge frame and the rear bridge frame to rotate, two sector teeth respectively drive a bogie on the front bridge frame and the rear bridge frame to rotate through a second rotating shaft, the bogie drives one bogie to rotate through a linkage arm, and then the two bogies respectively drive the inner rings of the two hub bearings to rotate, and the inner rings rotate in a way that the sector teeth are matched with the steering gear, the new energy power automobile is more accurate in steering, and the technical problem that the new energy power automobile is inaccurate in steering in the prior art is solved; (2) the inner rings of the two hub bearings respectively drive the first half shaft, the second half shaft and the differential mechanism to deflect through the universal joint, the output shaft of the first steering motor drives the first chain wheel to rotate, the first chain wheel drives the second chain wheel to rotate through a chain, the rotating speed of the output shaft of the second steering motor is further increased, the steering speed of the inner rings of the hub bearings is compensated by matching with the differential mechanism, the steering adjustment of the inner rings of the hub bearings is ensured through the second steering motor, the inner rings of the hub bearings can be ensured to be more flexible to steer through the first steering motor, compensation is provided for the steering of the second steering motor, and the technical problem that the independent differential mechanism of a new energy power automobile in the prior art cannot ensure that the automobile steering time is; (3) the two planet wheels below the driving motor are driven to rotate, the two planet wheels drive the driving gear to rotate, the driving gear coaxially drives the driven gear to rotate, the driven gear is meshed with the driving main shaft to drive the main shaft gear to rotate, the driving main shaft respectively drives the two first half shafts and the two second half shafts to rotate through differentials at two ends, pure electric driving running of the new energy automobile is completed, an engine is locked during running of the automobile, the driving main shaft drives the main shaft gear to rotate, the main shaft gear is meshed with the driving main shaft gear to drive the driven gear to rotate, the driven gear coaxially drives the driving gear to rotate, the driving gear drives a generator rotor through the planet wheels, and then the generator generates electricity, when the driving motor reaches a higher rotating speed, the engine adjusts the rotating speed of the driving gear through the, the hybrid drive of the engine, the driving motor and the generator is completed, and the technical problems that the power driving structure of the new energy automobile is complex and the driving effect is not high in the prior art are solved.
The purpose of the invention can be realized by the following technical scheme:
a planetary gear power transmission structure for power split of a new energy automobile comprises a bottom beam, wherein a mounting frame is mounted on the bottom beam, a planet wheel carrier is mounted on the mounting frame, a front bridge and a rear bridge are arranged on two sides of the bottom beam respectively, differentials are mounted on the front bridge and the rear bridge, second rotating shafts are rotatably mounted on two sides of the front bridge and the rear bridge respectively, the front bridge and the rear bridge are rotatably connected with bogies through the second rotating shafts, two first rotating shafts are symmetrically arranged on the two bogies, and the two first rotating shafts are rotatably connected with two sides of a linkage arm respectively;
a first connecting rod is arranged on the front bridge frame, a second connecting rod is arranged on the rear bridge frame, a fifth chain wheel is sleeved on the first connecting rod, and a sixth chain wheel is sleeved on the second connecting rod;
the mounting frame is provided with a first steering motor and a second steering motor, an output shaft of the second steering motor is sleeved with a second chain wheel, a third chain wheel and a fourth chain wheel, the output shaft of the first steering motor is sleeved with a first chain wheel, the first chain wheel and the second chain wheel are in chain transmission connection, the third chain wheel is connected with a fifth chain wheel through chain transmission, and the fourth chain wheel is connected with a sixth chain wheel through chain transmission;
steering gears are sleeved on the first connecting rod and the second connecting rod, one side of each steering gear is meshed with a sector gear, the sector gear is sleeved on the second rotating shaft, and the bottom surface of the sector gear is fixedly connected with a bogie;
the planetary gear carrier is provided with four driving motors in bilateral symmetry, output shafts of the four driving motors are in two-to-two butt joint, an engine and a generator are respectively arranged on two sides of the planetary gear carrier, a driving shaft of the engine and a driving shaft of the generator are oppositely arranged, the planetary gear carrier is rotatably provided with a driving gear, the peripheral surface of the driving gear is engaged and connected with three planetary gears in an equal radian mode, the planetary gear sleeve positioned on the upper portion is arranged at the joint of the output shafts of the engine and the generator, the other two planetary gear sleeves are respectively arranged at the joint of the output shafts of the driving motors, the driving gear is coaxially connected with a driven gear, the peripheral surface of the driven gear is engaged and connected with a.
Furthermore, two through grooves are formed in the bottom beam, and the two linkage arms respectively and movably penetrate through the two through grooves.
Furthermore, the front bridge frame and the rear bridge frame are identical in structure, and are symmetrically arranged on two sides of the bottom beam.
Furthermore, the second chain wheel, the third chain wheel and the fourth chain wheel are sleeved on the outer peripheral surface of the output shaft of the second steering motor at equal intervals, and the second chain wheel is arranged between the third chain wheel and the fourth chain wheel.
Furthermore, the bogie is rotatably provided with a hub bearing inner ring through a bearing seat, one hub bearing inner ring is rotatably connected with the first half shaft through a universal joint, and the other hub bearing inner ring is rotatably connected with the second half shaft through a universal joint.
Furthermore, first steering motor, second steering motor model are the same, just first steering motor, second steering motor symmetry set up in the mounting bracket both sides.
Furthermore, the first chain wheel and the second chain wheel are arranged on the same horizontal plane, the third chain wheel and the fifth chain wheel are arranged on the same horizontal plane, and the fourth chain wheel and the sixth chain wheel are arranged on the same horizontal plane.
Further, the diameter of the driving gear is larger than that of the driven gear, and the spindle gear is arranged below the driven gear.
Furthermore, output shafts on two sides of the differential are respectively connected with a first half shaft and a second half shaft, and the first rotating shaft is rotatably arranged on the bogie.
Further, a new energy automobile power reposition of redundant personnel is with planetary gear power transmission structure, this transmission structure's working process as follows:
the method comprises the following steps: the second steering motor output shaft drives the second chain wheel, the third chain wheel and the fourth chain wheel to rotate simultaneously, the third chain wheel drives the fifth chain wheel to rotate through a chain, the fifth chain wheel drives a steering gear on the front bridge frame to rotate through a first connecting rod, the fourth chain wheel drives a sixth chain wheel to rotate through a chain, the sixth chain wheel drives a steering gear on the rear bridge frame to rotate through a second connecting rod, the two steering gears respectively drive fan-shaped teeth on the front bridge frame and the rear bridge frame to rotate, the two fan-shaped teeth respectively drive one steering frame on the front bridge frame and the rear bridge frame to rotate through a second rotating shaft, the steering frame drives one steering frame to rotate through a linkage arm, and then the two steering frames respectively drive the two hub bearing inner rings to steer, the two hub bearing inner rings respectively drive the first half shaft, the second half shaft generates deflection with a differential mechanism through a universal joint, the first steering motor output shaft drives, the first chain wheel drives the second chain wheel to rotate through a chain, so that the rotating speed of an output shaft of the second steering motor is further increased, and the steering speed of the inner ring of the hub bearing is compensated by matching with a differential mechanism;
step two: the driving motor drives the two planetary gears below the driving motor to rotate, the two planetary gears drive the driving gear to rotate, the driving gear coaxially drives the driven gear to rotate, the driven gear is meshed with the driving main shaft to drive the main shaft gear to rotate, the driving main shaft respectively drives the two first half shafts and the two second half shafts to rotate through differentials at two ends, pure electric driving running of the new energy automobile is completed, an engine is locked in the running process of the automobile, the driving main shaft drives the main shaft gear to rotate, the main shaft gear is meshed with the driving main shaft gear to drive the driven gear to rotate, the driven gear coaxially drives the driving gear to rotate, the driving gear drives a generator rotor through the planetary gears, and then the generator generates electricity, when the driving motor reaches a higher rotating speed, the engine adjusts the rotating speed of the driving gear through, And driving the motor and the generator in a hybrid mode.
The invention has the beneficial effects that:
according to the planetary gear power transmission structure for power splitting of the new energy automobile, the whole bottom beam is more balanced through the first steering motor and the second steering motor which are symmetrically arranged on the two sides of the mounting frame; the output shaft of a second steering motor drives a second chain wheel, a third chain wheel and a fourth chain wheel to rotate simultaneously, the third chain wheel drives a fifth chain wheel to rotate through a chain, the fifth chain wheel drives a steering gear on a front bridge frame to rotate through a first connecting rod, the fourth chain wheel drives a sixth chain wheel to rotate through a chain, the sixth chain wheel drives a steering gear on a rear bridge frame to rotate through a second connecting rod, two steering gears respectively drive sector teeth on the front bridge frame and the rear bridge frame to rotate, two sector teeth respectively drive one steering frame on the front bridge frame and the rear bridge frame to rotate through a second rotating shaft, the steering frame drives one steering frame to rotate through a linkage arm, and then the two steering frames respectively drive two hub bearing inner rings to steer, and the sector teeth are matched with the steering gears to rotate, so that the new energy power automobile can steer more accurately;
the inner rings of the two wheel hub bearings respectively drive a first half shaft, a second half shaft and a differential mechanism to deflect through a universal joint, an output shaft of a first steering motor drives a first chain wheel to rotate, the first chain wheel drives a second chain wheel to rotate through a chain, the rotating speed of the output shaft of the second steering motor is further increased, the steering speed of the inner rings of the wheel hub bearings is compensated by matching with the differential mechanism, the steering adjustment of the inner rings of the wheel hub bearings is ensured through the second steering motor, the inner rings of the wheel hub bearings can be ensured to be more flexible to steer through the first steering motor, compensation is provided for the steering of the second steering motor, and the steering performance of the whole new energy power automobile is improved by;
the driving motor drives the two planetary gears below the driving motor to rotate, the two planetary gears drive the driving gear to rotate, the driving gear coaxially drives the driven gear to rotate, the driven gear is meshed with the driving main shaft to drive the main shaft gear to rotate, the driving main shaft respectively drives the two first half shafts and the two second half shafts to rotate through differentials at two ends, pure electric driving running of the new energy automobile is completed, an engine is locked in the running process of the automobile, the driving main shaft drives the main shaft gear to rotate, the main shaft gear is meshed with the driving main shaft gear to drive the driven gear to rotate, the driven gear coaxially drives the driving gear to rotate, the driving gear drives a generator rotor through the planetary gears, and then the generator generates electricity, when the driving motor reaches a higher rotating speed, the engine adjusts the rotating speed of the driving gear through, The hybrid drive of driving motor, generator, through this setting, this new energy automobile drive structure is simpler, and the drive effect is better, and manufacturing cost is lower.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a planetary gear power transmission structure for power splitting of a new energy automobile according to the invention;
FIG. 2 is a structural view of the rear bridge of the present invention;
FIG. 3 is a schematic structural diagram of the planetary carrier of the present invention;
FIG. 4 is a schematic structural view of the mount of the present invention;
FIG. 5 is a front view of the mount of the present invention;
fig. 6 is a bottom view of the present invention.
In the figure: 100. a through groove; 1. a bottom beam; 2. a planet carrier; 3. a mounting frame; 4. a front bridge frame; 5. a rear bridge frame; 6. a drive gear; 7. a planet wheel; 8. a driven gear; 9. a main shaft gear; 10. driving the main shaft; 11. a differential mechanism; 12. a first half shaft; 13. a second half shaft; 14. a universal joint; 15. a hub bearing inner race; 16. a bogie; 17. a first rotating shaft; 18. a second rotating shaft; 19. a linkage arm; 20. a first steering motor; 21. a second steering motor; 22. a first sprocket; 23. a second sprocket; 24. a third sprocket; 25. a fourth sprocket; 26. a fifth sprocket; 261. a first connecting rod; 27. a sixth sprocket; 271. a second connecting rod; 28. a steering gear; 29. sector-shaped teeth; 30. an engine; 31. a drive motor; 32. an electric generator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 protection scope of the present invention.
Referring to fig. 1-6, the invention relates to a planetary gear power transmission structure for power splitting of a new energy automobile, which comprises a bottom beam 1, wherein an installation frame 3 is installed on the bottom beam 1, a planetary gear carrier 2 is installed on the installation frame 3, a front bridge frame 4 and a rear bridge frame 5 are respectively arranged on two sides of the bottom beam 1, a differential mechanism 11 is respectively installed on the front bridge frame 4 and the rear bridge frame 5, second rotating shafts 18 are respectively installed on two sides of the front bridge frame 4 and the rear bridge frame 5 in a rotating manner, the front bridge frame 4 and the rear bridge frame 5 are rotatably connected with bogie frames 16 through the second rotating shafts 18, two first rotating shafts 17 are symmetrically arranged on the two bogie frames 16, and the two first rotating shafts 17 are respectively rotatably connected with two sides of a linkage arm 19;
a first connecting rod 261 is installed on the front bridge 4, a second connecting rod 271 is installed on the rear bridge 5, a fifth chain wheel 26 is sleeved on the first connecting rod 261, and a sixth chain wheel 27 is sleeved on the second connecting rod 271;
a first steering motor 20 and a second steering motor 21 are mounted on the mounting frame 3, a second chain wheel 23, a third chain wheel 24 and a fourth chain wheel 25 are sleeved on an output shaft of the second steering motor 21, a first chain wheel 22 is sleeved on an output shaft of the first steering motor 20, the first chain wheel 22 and the second chain wheel 23 are in chain transmission connection, the third chain wheel 24 is connected with a fifth chain wheel 26 through chain transmission, and the fourth chain wheel 25 is connected with a sixth chain wheel 27 through chain transmission;
the first connecting rod 261 and the second connecting rod 271 are both sleeved with a steering gear 28, one side of the steering gear 28 is meshed with a sector tooth 29, the sector tooth 29 is sleeved on the second rotating shaft 18, and the bottom surface of the sector tooth 29 is fixedly connected with the bogie 16;
the four driving motors 31 are symmetrically arranged on two sides of the planet carrier 2, output shafts of the four driving motors 31 are in pairwise butt joint, an engine 30 and a generator 32 are respectively arranged on two sides of the planet carrier 2, driving shafts of the engine 30 and the generator 32 are oppositely arranged, a driving gear 6 is rotatably arranged on the planet carrier 2, the outer peripheral surface of the driving gear 6 is connected with three planet gears 7 in an equal radian meshing mode, the planet gears 7 on the upper portion are sleeved at the output shaft joints of the engine 30 and the generator 32, the other two planet gears 7 are respectively arranged at the output shaft joints of the driving motors 31, the driving gear 6 is coaxially connected with a driven gear 8, the outer peripheral surface of the driven gear 8 is connected with a spindle gear 9 in a meshing mode, the spindle gear.
Specifically, two through grooves 100 are formed in the bottom beam 1, and the two linkage arms 19 respectively and movably penetrate through the two through grooves 100. The front bridge frame 4 and the rear bridge frame 5 have the same structure, and the front bridge frame 4 and the rear bridge frame 5 are symmetrically arranged on two sides of the bottom beam 1. The second sprocket 23, the third sprocket 24 and the fourth sprocket 25 are equidistantly sleeved on the outer peripheral surface of the output shaft of the second steering motor 21, and the second sprocket 23 is arranged between the third sprocket 24 and the fourth sprocket 25. And the bogie 16 is rotatably provided with hub bearing inner rings 15 through bearing seats, one hub bearing inner ring 15 is rotatably connected with the first half shaft 12 through a universal joint 14, and the other hub bearing inner ring 15 is rotatably connected with the second half shaft 13 through the universal joint 14. The models of the first steering motor 20 and the second steering motor 21 are the same, and the first steering motor 20 and the second steering motor 21 are symmetrically arranged on two sides of the mounting frame 3. The first sprocket 22 and the second sprocket 23 are disposed on the same horizontal plane, the third sprocket 24 and the fifth sprocket 26 are disposed on the same horizontal plane, and the fourth sprocket 25 and the sixth sprocket 27 are disposed on the same horizontal plane. The driving gear 6 is larger in diameter than the driven gear 8, and the spindle gear 9 is disposed below the driven gear 8. Output shafts on two sides of the differential 11 are respectively connected with a first half shaft 12 and a second half shaft 13, and a first rotating shaft 17 is rotatably arranged on a bogie 16.
Referring to fig. 1 to 6, the working process of the planetary gear power transmission structure for power splitting of the new energy vehicle of the embodiment is as follows:
the method comprises the following steps: the output shaft of the second steering motor 21 drives the second chain wheel 23, the third chain wheel 24 and the fourth chain wheel 25 to rotate simultaneously, the third chain wheel 24 drives the fifth chain wheel 26 to rotate through a chain, the fifth chain wheel 26 drives the steering gear 28 on the front bridge frame 4 to rotate through the first connecting rod 261, the fourth chain wheel 25 drives the sixth chain wheel 27 to rotate through a chain, the sixth chain wheel 27 drives the steering gear 28 on the rear bridge frame 5 to rotate through the second connecting rod 271, the two steering gears 28 respectively drive the sector teeth 29 on the front bridge frame 4 and the rear bridge frame 5 to rotate, the two sector teeth 29 respectively drive one bogie 16 on the front bridge frame 4 and the rear bridge frame 5 to rotate through the second rotating shaft 18, the bogie 16 drives one bogie 16 to rotate through the linkage arm 19, and then the two bogies 16 respectively drive the two hub bearing inner rings 15 to rotate, and the two hub bearing inner rings 15 respectively drive the first half shaft 12, The second half shaft 13 deflects with the differential 11 through the universal joint 14, the output shaft of the first steering motor 20 drives the first chain wheel 22 to rotate, the first chain wheel 22 drives the second chain wheel 23 to rotate through a chain, the rotating speed of the output shaft of the second steering motor 21 is further increased, and the steering speed of the hub bearing inner ring 15 is compensated by matching with the differential 11;
step two: the driving motor 31 drives the two planetary gears 7 positioned below to rotate, the two planetary gears 7 drive the driving gear 6 to rotate, the driving gear 6 coaxially drives the driven gear 8 to rotate, the driven gear 8 is meshed to drive the spindle gear 9 to rotate, the spindle gear 9 drives the driving spindle 10 to rotate, the driving spindle 10 respectively drives the two first half shafts 12 and the two second half shafts 13 to rotate through the differentials 11 at the two ends, pure electric driving running of the new energy automobile is completed, the engine 30 is locked in the running process of the automobile, the driving spindle 10 drives the spindle gear 9 to rotate, the spindle gear 9 is meshed to drive the driven gear 8 to rotate, the driven gear 8 coaxially drives the driving gear 6 to rotate, the driving gear 6 drives the rotor of the generator 32 through the planetary gears 7, the generator 32 generates electricity, when the driving motor 31 reaches a high rotating speed, the engine 30 adjusts the rotating, further, the rotational speed of the drive main shaft 10 is adjusted, and hybrid drive of the engine 30, the drive motor 31, and the generator 32 is completed.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (10)
1. The planetary gear power transmission structure for power splitting of the new energy automobile is characterized by comprising a bottom beam (1), wherein a mounting frame (3) is mounted on the bottom beam (1), a planetary gear carrier (2) is mounted on the mounting frame (3), a front bridge (4) and a rear bridge (5) are respectively arranged on two sides of the bottom beam (1), differentials (11) are mounted on the front bridge (4) and the rear bridge (5), second rotating shafts (18) are respectively rotatably mounted on two sides of the front bridge (4) and the rear bridge (5), the front bridge (4) and the rear bridge (5) are rotatably connected with bogies (16) through the second rotating shafts (18), two first rotating shafts (17) are symmetrically arranged on the two bogies (16), and the two first rotating shafts (17) are respectively rotatably connected with two sides of a linkage arm (19);
a first connecting rod (261) is installed on the front bridge (4), a second connecting rod (271) is installed on the rear bridge (5), a fifth chain wheel (26) is sleeved on the first connecting rod (261), and a sixth chain wheel (27) is sleeved on the second connecting rod (271);
a first steering motor (20) and a second steering motor (21) are mounted on the mounting frame (3), a second chain wheel (23), a third chain wheel (24) and a fourth chain wheel (25) are sleeved on an output shaft of the second steering motor (21), a first chain wheel (22) is sleeved on an output shaft of the first steering motor (20), the first chain wheel (22) and the second chain wheel (23) are connected through chain transmission, the third chain wheel (24) is connected with a fifth chain wheel (26) through chain transmission, and the fourth chain wheel (25) is connected with a sixth chain wheel (27) through chain transmission;
steering gears (28) are sleeved on the first connecting rod (261) and the second connecting rod (271), one side of each steering gear (28) is meshed with a sector tooth (29), the sector teeth (29) are sleeved on the second rotating shaft (18), and the bottom surfaces of the sector teeth (29) are fixedly connected with a bogie (16);
the planetary gear carrier is characterized in that four driving motors (31) are symmetrically arranged on two sides of the planetary gear carrier (2), output shafts of the four driving motors (31) are in butt joint with each other in pairs, an engine (30) and a generator (32) are respectively arranged on two sides of the planetary gear carrier (2), drive shafts of the engine (30) and the generator (32) are oppositely arranged, a driving gear (6) is rotatably arranged on the planetary gear carrier (2), the outer peripheral surface of the driving gear (6) is in equal radian meshing connection with three planetary gears (7), the planetary gears (7) positioned at the upper part are sleeved at output shaft connecting parts of the engine (30) and the generator (32), the other two planetary gears (7) are respectively arranged at output shaft connecting parts of the driving motors (31), the driving gear (6) is coaxially connected with a driven gear (8), and, and the main shaft gear (9) is sleeved on the peripheral surface of the driving main shaft (10), and the two ends of the driving main shaft (10) are in transmission connection with the input ends of the two differentials (11).
2. The power transmission structure of the planetary gear for the power split of the new energy automobile according to claim 1, wherein two through grooves (100) are formed in the bottom beam (1), and the two linkage arms (19) respectively and movably penetrate through the two through grooves (100).
3. The planetary gear power transmission structure for power splitting of the new energy automobile according to claim 1, wherein the front bridge (4) and the rear bridge (5) are identical in structure, and the front bridge (4) and the rear bridge (5) are symmetrically installed on two sides of the bottom beam (1).
4. The power transmission structure of the planetary gear for power splitting of the new energy automobile according to claim 1, wherein the second chain wheel (23), the third chain wheel (24) and the fourth chain wheel (25) are sleeved on the outer peripheral surface of the output shaft of the second steering motor (21) at equal intervals, and the second chain wheel (23) is arranged between the third chain wheel (24) and the fourth chain wheel (25).
5. The power transmission structure of the planetary gear for power splitting of the new energy automobile according to claim 1, wherein the bogie (16) is rotatably provided with hub bearing inner rings (15) through bearing seats, one of the hub bearing inner rings (15) is rotatably connected with the first half shaft (12) through a universal joint (14), and the other hub bearing inner ring (15) is rotatably connected with the second half shaft (13) through a universal joint (14).
6. The planetary gear power transmission structure for power splitting of the new energy automobile according to claim 1, wherein the first steering motor (20) and the second steering motor (21) are the same in type, and the first steering motor (20) and the second steering motor (21) are symmetrically arranged on two sides of the mounting frame (3).
7. The planetary gear power transmission structure for power splitting of the new energy automobile according to claim 1, wherein the first sprocket (22) and the second sprocket (23) are disposed on the same horizontal plane, the third sprocket (24) and the fifth sprocket (26) are disposed on the same horizontal plane, and the fourth sprocket (25) and the sixth sprocket (27) are disposed on the same horizontal plane.
8. The new energy automobile power splitting planetary gear power transmission structure as claimed in claim 1, wherein the diameter of the driving gear (6) is larger than that of the driven gear (8), and the main shaft gear (9) is arranged below the driven gear (8).
9. The planetary gear power transmission structure for power splitting of the new energy automobile according to claim 1, wherein output shafts on two sides of the differential (11) are respectively connected with a first half shaft (12) and a second half shaft (13), and the first rotating shaft (17) is rotatably arranged on a bogie (16).
10. The utility model provides a new energy automobile power reposition of redundant personnel is with planetary gear power transmission structure which characterized in that, this transmission structure's working process as follows:
the method comprises the following steps: an output shaft of a second steering motor (21) drives a second chain wheel (23), a third chain wheel (24) and a fourth chain wheel (25) to rotate simultaneously, the third chain wheel (24) drives a fifth chain wheel (26) to rotate through a chain, the fifth chain wheel (26) drives a steering gear (28) on the front bridge frame (4) to rotate through a first connecting rod (261), the fourth chain wheel (25) drives a sixth chain wheel (27) to rotate through a chain, the sixth chain wheel (27) drives a steering gear (28) on the rear bridge frame (5) to rotate through a second connecting rod (271), the two steering gears (28) respectively drive a front bridge frame (4) and sector teeth (29) on the rear bridge frame (5) to rotate, the two sector teeth (29) respectively drive one steering frame (16) on the front bridge frame (4) and the rear bridge frame (5) to rotate through a second rotating shaft (18), and the steering frame (16) drives one steering frame (16) to rotate through a linkage arm (19), an output shaft of the first steering motor (20) drives a first chain wheel (22) to rotate, the first chain wheel (22) drives a second chain wheel (23) to rotate through a chain, and further rotation speed compensation is provided for the rotation speed of an output shaft of the second steering motor (21);
step two: the driving motor (31) drives the two planet gears (7) positioned below to rotate, the two planet gears (7) drive the driving gear (6) to rotate, the driving gear (6) coaxially drives the driven gear (8) to rotate, the driven gear (8) is meshed with the driving main shaft gear (9) to rotate, the main shaft gear (9) drives the driving main shaft (10) to rotate, the driving main shaft (10) respectively drives the two first half shafts (12) and the two second half shafts (13) to rotate through the differentials (11) at the two ends, pure electric driving running of the new energy automobile is completed, an engine (30) is locked in the running process of the automobile, the driving main shaft (10) drives the main shaft gear (9) to rotate, the main shaft gear (9) is meshed with the driven gear (8) to rotate, the driven gear (8) coaxially drives the driving gear (6) to rotate, the driving gear (6) drives a rotor of a generator (32), and then the generator (32) generates power, when the driving motor (31) reaches a high rotating speed, the engine (30) adjusts the rotating speed of the driving gear (6) through the planet gear (7) at the upper part, and further adjusts the rotating speed of the driving main shaft (10), and the hybrid driving of the engine (30), the driving motor (31) and the generator (32) is completed.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112874281A (en) * | 2021-01-25 | 2021-06-01 | 江苏永捷工程物流有限公司 | Novel self-propelled modularization hydraulic pressure flatbed control structure |
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| CN110758085B (en) | 2020-11-27 |
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Inventor after: Wang Zhe Inventor after: Ma Sihan Inventor after: Wu Min Inventor after: Shao Dongtao Inventor before: Liu Guojian Inventor before: Lin Bihua |
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Effective date of registration: 20201019 Address after: 210000 Second Floor, Block B4, Jiulonghu International Enterprise Headquarters Park, 19 Suyuan Avenue, Jiangning District, Nanjing City, Jiangsu Province (Jiangning Development Zone) Applicant after: Nanjing DVO Aviation Technology Co., Ltd Address before: Room 602, unit 1, building 16, building 12, Shuanglong garden, Xixiang community, Xixiang Avenue, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Applicant before: Shenzhen City Sunshine Technology Co.,Ltd. |
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