CN218577503U - Four-gear two-intermediate-shaft double-motor front single-planet-row hybrid power system - Google Patents
Four-gear two-intermediate-shaft double-motor front single-planet-row hybrid power system Download PDFInfo
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- CN218577503U CN218577503U CN202222528576.8U CN202222528576U CN218577503U CN 218577503 U CN218577503 U CN 218577503U CN 202222528576 U CN202222528576 U CN 202222528576U CN 218577503 U CN218577503 U CN 218577503U
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Abstract
The utility model belongs to the technical field of hybrid vehicle, specifically a four keep off two jackshaft bi-motor leading single planet row hybrid power system, including clutch, input front axle, first actuating mechanism, planetary gear set, input rear axle, speed change mechanism, main reducer and wheel of shifting gears, second motor and first motor set up respectively in the both sides of input front axle, and second motor and first jackshaft front end power are connected, and first middle upper cover is provided with one and keeps off driven gear, and reverse gear driven gear and one keep off driven gear meshing; the utility model discloses cancel the motor jackshaft, need not set up reverse gear and reverse shaft in addition, adopt two jackshafts to make each fender gear dislocation arrangement, assembly axial length shortens.
Description
Technical Field
The utility model belongs to the technical field of hybrid vehicle, specifically a four keep off leading single planet row hybrid power system of two jackshafts bi-motor.
Background
The hybrid power system comprises an engine, a motor and a transmission system (the transmission has a single-motor scheme and a double-motor scheme, the transmission system has a common gear transmission or a speed reducer, and also has a power split transmission with a planet row, and the planet row has a single-row scheme, a double-row scheme, a three-row scheme and the like.
In the double-motor double-planet-row hybrid power system in the prior art, the rear end of the first planet row is not provided with a speed reduction and torque increase mechanism, the speed reduction and torque increase action of the second planet row is limited by size and cannot be increased, and the power cannot be increased, so that the double-motor double-planet-row hybrid power system is only suitable for medium and light vehicles. And the pure engine drive is not connected with a speed-reducing torque-increasing gear mechanism, so that the engine can only be applied to high-speed working conditions.
Therefore, a single planet row structure has been provided in the prior art to solve the above problems, for example, a single planet row hybrid power system with three gears, parallel shafts, lameable belt power take-off modules, two motors, a single planet row hybrid power system disclosed in chinese patent CN113602070a includes an engine, a first motor, a second motor, a speed regulation mechanism, a housing, a first central shaft, a second central shaft, and an output shaft, wherein the front end of the first central shaft penetrates out of the housing to be connected with the engine, a first hollow shaft is sleeved outside the first central shaft, the rear end of the first central shaft is in transmission connection with the hollow shaft through the planet row, the rear end of the planet row is connected with the second central shaft, the rear end of the second central shaft is in transmission connection with the output shaft, the rear end of the output shaft penetrates out of the housing to transmit power to a wheel system, the speed regulation mechanism is in transmission connection with the second central shaft and the output shaft respectively, the first motor is in transmission connection with the hollow shaft, and the second motor is in transmission connection with the output shaft. The structure can effectively improve the space utilization rate, has rich gears, and has the characteristics of wide adaptability to vehicle types and the like. The structure still has some defects, the output of the second motor of the structure adopts a separately arranged motor intermediate shaft, namely a second motor transition shaft, and the shaft system is complex; the speed change mechanism adopts a single-intermediate-shaft structure, the speed change mechanism is distributed too intensively, and the axial length of the assembly is too long; reverse gear and reverse gear axle set up alone, and the structure is complicated, and is with high costs.
SUMMERY OF THE UTILITY MODEL
The utility model provides a four keep off two jackshaft bi-motor leading single file star row hybrid power system, cancel the motor jackshaft, need not set up in addition reverse gear and reverse gear axle, adopt two jackshafts can make each keep off gear wheel dislocation set, assembly axial length shortens.
The technical scheme of the utility model as follows: a four-gear two-intermediate-shaft double-motor front single-planet-row hybrid power system comprises an engine, a clutch, an input front shaft, a first gear shifting execution mechanism, a planetary gear set, an input rear shaft, a speed change mechanism, a main speed reducer and wheels which are sequentially connected from front to back, wherein the planetary gear set comprises a sun wheel, a planet carrier and a gear ring;
the planetary gear set is internally provided with a planet carrier, the planet carrier is provided with a planet wheel, the planet wheel is meshed with the sun wheel, the outer end of the planet wheel is provided with a gear ring, and the rear end of the gear ring is connected with an input rear shaft.
The front end of an input front shaft is connected with the clutch, the tail end of the input front shaft is fixedly connected with the planet carrier, a first gear shifting executing mechanism is arranged on the input front shaft, the input front shaft is used for inputting power of an engine, and the power of the engine can be transmitted backwards through the planet carrier;
the utility model also comprises a first motor, a hollow shaft and a second motor; the first motor is arranged in front of the planetary gear set, the first motor is in power connection with the hollow shaft, the front end of the hollow shaft is connected with the first gear shifting executing mechanism, and the rear end of the hollow shaft is connected with the sun gear;
the speed change mechanism comprises a first intermediate shaft, a second intermediate shaft, a reverse gear driven gear, a first gear driving gear, a second gear driving gear and a third gear driving gear, the first gear driving gear and the second gear driving gear are both arranged on an input rear shaft, the front end of the first intermediate shaft is connected with a second motor, the reverse gear driven gear is arranged at the front end of the second intermediate shaft in an empty sleeve manner, the first gear driven gear is arranged on the first intermediate shaft in an empty sleeve manner, and the reverse gear driven gear is meshed with the first gear driven gear; the utility model discloses in, use one to keep off driven gear for acting as the idler of reversing gear, simplified the structure, do not set up solitary reverse gear and reverse gear axle, simple structure, compact structure.
The first intermediate shaft and the second intermediate shaft are respectively arranged on two sides of the input rear shaft.
The second motor and the first motor are respectively arranged on two sides of the input front shaft, and the second motor is in power connection with the front end of the first intermediate shaft; adopt bi-motor structure, power supplyes the implementation: the second motor is directly connected with the output, and the second motor is not provided with an independent intermediate shaft, so that the structure is simple and compact.
The power takeoff is in power connection with the two-gear driving gear. The utility model discloses a power take off implementation mode: the independent power take-off gear and the independent power take-off shaft ensure good working stability of the rear power take-off.
The utility model discloses a two jackshaft structures, first jackshaft and second jackshaft promptly, 1 keep off, 3 keep off on first jackshaft, 2 keep off, reverse gear on the second jackshaft, keep off driven gear for reversing gear idler. The double intermediate shafts can ensure that all gear gears are arranged in a staggered way, and the axial length of the assembly is shortened.
Specifically, a third-gear driven gear is sleeved on the first intermediate shaft in an empty manner, a second gear shifting executing mechanism is arranged on the first intermediate shaft, a first main speed reducing driving gear is fixedly connected to the rear end of the first intermediate shaft, the first-gear driven gear is meshed with the first-gear driving gear, and the third-gear driven gear is meshed with the third-gear driving gear; the gear shifting device is characterized in that a second driven gear is sleeved on the second intermediate shaft in a hollow mode, a third gear shifting executing mechanism is further arranged on the second intermediate shaft, a second main reducing driving gear is arranged at the rear end of the second intermediate shaft and meshed with the second driven gear, and the second main reducing driving gear is meshed with the main reducing driven gear. Adopts a structure of double middle shafts, 3 gear gears and direct gears,
preferably, still include first motor input gear, first motor intermediate gear and first motor output gear, first motor power connects gradually first motor input gear, first motor intermediate gear, first motor output gear and hollow shaft. And a gear reduction structure is adopted to realize the speed reduction and distance increase of the motor.
The hollow shaft of the utility model is sleeved on the input front shaft, the hollow shaft is fixedly connected with a first motor output gear, the rear end of the hollow shaft is provided with a sun gear, the sun gear is meshed with a planet gear, and the front end of the hollow shaft is fixedly connected with a first hollow shaft gear shifting combination tooth;
preferably, the motor further comprises a second motor input gear and a second motor output gear, and the second motor power is sequentially connected with the second motor input gear, the second motor output gear and the first intermediate shaft. And a gear reduction structure is adopted to realize the reduction and distance increase of the motor.
Preferably, the second main speed reduction driving gear and the first main speed reduction driving gear have the same tooth number, the design is convenient, and the cost is saved.
Preferably, the power takeoff device comprises a power take-off gear and a power take-off output shaft, and the power take-off output gear transmits power to the power take-off output shaft by being meshed with the two-gear driving gear. The PTO function is provided, and external power taking can be realized. The front end of the input rear shaft is connected with the gear ring, the gear ring is meshed with the planet wheel, the rear end of the input rear shaft is connected with the fourth gear shifting executing mechanism, and the rear end of the fourth gear shifting executing mechanism is connected with the output shaft.
Preferably, the axes of the first and second motors are parallel. The motors are arranged in parallel, and the structure is compact.
The beneficial effects of the utility model are that:
1. the double intermediate shafts can ensure that all gear gears are arranged in a staggered way, and the axial length of the assembly is shortened.
2. The second motor is directly connected with the output, and the second motor is not provided with an independent intermediate shaft, so that the structure is simple and compact.
3. The hybrid power system has multiple working modes, can realize pure electric drive, hybrid drive, engine drive and other forms, and has wide adaptation range; the power of the engine can be directly output, and the efficiency is high; the second motor can directly output power as the power-assisted motor without gear-shifting power interruption;
4. the motors are arranged in parallel, so that the structure is compact;
5. the power distribution of the planet row is realized, and the parking/driving charging can be realized;
6. has PTO function and can realize external force taking
7. Without separate reverse gear and reverse shaft
Drawings
Fig. 1 is a schematic diagram of an overall structure of a four-gear two-intermediate-shaft dual-motor front single-planetary-row hybrid power system of the present invention.
Fig. 2 is a schematic view of a connection structure of the planetary gear set of the present invention.
Fig. 3 is a schematic structural view of the transmission mechanism according to the present invention.
In the figure:
1-engine, 2-clutch, 3-input front shaft, 4-first gear-shifting actuating mechanism,
5-planetary gear set, 501-sun gear, 502-planetary gear, 503-planet carrier, 504-ring gear, 6-input rear shaft,
7-speed change mechanism, 701-first countershaft, 702-second countershaft, 703-reverse driven gear, 704-first driving gear, 705-second driving gear, 706-first driven gear, 707-third driven gear, 708-third driving gear, 709-second shift actuator, 710-third shift actuator, 711-second driven gear, 712-second main reduction driving gear, 713-main reduction driven gear, 714-fourth shift actuator, 715-output shaft, 716-first main reduction driving gear,
8-a main reducer, 9-wheels, 10-a hollow shaft,
11-first motor, 1101-first motor input gear, 1102-first motor intermediate gear, 1103-first motor output gear,
12-a second motor, 1201-a second motor input gear, 1202-the second motor output gear,
13-power take-off, 1301-power take-off output gear and 1302-power take-off output shaft.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments, which are illustrative of the invention and are not to be construed as unduly limiting the invention.
In the description of the present invention, it is to be understood that the terms "left", "right", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply specific orientations that the device or structure indicated must have, be constructed in specific orientations, and operations, and therefore, should not be construed as limiting the present invention.
Example 1:
in this embodiment, the direction is defined as the engine is forward and the wheels are rearward.
As shown in fig. 1, a four-gear two-intermediate-shaft two-motor front single-planetary-row hybrid power system comprises an engine 1, a clutch 2, an input front shaft 3, a first gear shifting execution mechanism 4, a planetary gear set 5, an input rear shaft 6, a speed change mechanism 7, a main speed reducer 8 and wheels 9 which are sequentially connected from front to back;
as shown in fig. 2, the planetary gear set 5 includes a sun gear 501, a planetary gear 502, a planet carrier 503, and a ring gear 504;
as shown in fig. 1, the device further comprises a first motor 11, a hollow shaft 10 and a second motor 12; the first motor 11 is arranged in front of the planetary gear set 5, the first motor 11 is in power connection with a hollow shaft 10, the front end of the hollow shaft 10 is connected with the first gear shifting actuating mechanism 4, and the rear end of the hollow shaft is connected with a sun gear 501;
as shown in fig. 3, the speed change mechanism 7 includes a first intermediate shaft 701, a second intermediate shaft 702, a reverse driven gear 703, a first-gear driving gear 704, a second-gear driving gear 705 and a third-gear driving gear 708, the first-gear driving gear 704 and the second-gear driving gear 705 are both disposed on the input rear shaft 6, the front end of the first intermediate shaft 701 is connected to the second electric machine 12, the reverse driven gear 703 is disposed at the front end of the second intermediate shaft 702 in an empty manner, and the first-gear driven gear 706 is disposed on the first intermediate shaft 701 in an empty manner; as indicated by the broken line marks in fig. 3, the reverse driven gear 703 and the first driven gear 706 are engaged;
the second motor 12 and the first motor 11 are respectively arranged on two sides of the input front shaft 3, and the second motor 12 is in power connection with the front end of the first intermediate shaft 701;
as shown by the dashed line in fig. 3, a power take-off 13 is further included, and the power take-off 13 is in power connection with the second gear driving gear 705.
In this embodiment: by adopting a double-intermediate-shaft structure, namely the first intermediate shaft 701 and the second intermediate shaft 702, the gear wheels of all gears can be arranged in a staggered manner, and the axial length of the assembly is shortened.
The second electric machine 12 is directly driven and does not have a separate intermediate shaft, i.e. the second electric machine 12 is electrically driven by means of the first intermediate shaft 701.
The embodiment adopts the second intermediate shaft 702 as the mounting shaft of the reverse gear, uses the first-gear driven gear 706 as a reverse gear idle gear, simplifies the structure, does not provide a separate reverse gear and a reverse gear shaft, and has simple and compact structure.
Example 2:
in this embodiment, the direction is defined as the engine being at the front and the wheels being at the rear.
As shown in fig. 1, a four-gear two-intermediate-shaft two-motor front single-planetary-row hybrid power system comprises an engine 1, a clutch 2, an input front shaft 3, a first gear shifting execution mechanism 4, a planetary gear set 5, an input rear shaft 6, a speed change mechanism 7, a main speed reducer 8 and wheels 9 which are sequentially connected from front to back;
as shown in fig. 2, the planetary gear set 5 includes a sun gear 501, a planetary gear 502, a planet carrier 503, and a ring gear 504;
as shown in fig. 2, in the planetary gear set 5, a planet carrier 503 is arranged in the planetary gear set 5, a planet wheel 502 is arranged on the planet carrier 503, the planet wheel 502 is engaged with the sun wheel 501, a gear ring 504 is arranged at the outer end of the planet wheel 502, and the rear end of the gear ring 504 is connected with the input rear shaft 6.
As shown in fig. 2, the front end of the input front shaft 3 is connected with the clutch 2, the tail end of the input front shaft 3 is fixedly connected with the planet carrier 503, the input front shaft 3 is provided with the first gear shifting executing mechanism 4, the input front shaft 3 is used for inputting the power of the engine 1, and the power of the engine 1 can be transmitted backwards through the planet carrier 503;
the device also comprises a first motor 11, a hollow shaft 10 and a second motor 12; the first motor 11 is arranged in front of the planetary gear set 5, the first motor 11 is in power connection with a hollow shaft 10, the front end of the hollow shaft 10 is connected with the first gear shifting executing mechanism 4, and the rear end of the hollow shaft is connected with a sun gear 501;
as shown in fig. 3, the speed change mechanism 7 includes a first intermediate shaft 701, a second intermediate shaft 702, a reverse driven gear 703, a first-gear driving gear 704, a second-gear driving gear 705 and a third-gear driving gear 708, the first-gear driving gear 704 and the second-gear driving gear 705 are both disposed on the input rear shaft 6, the front end of the first intermediate shaft 701 is connected to the second electric machine 12, the reverse driven gear 703 is disposed at the front end of the second intermediate shaft 702 in an empty manner, the first-gear driven gear 706 is disposed on the first intermediate shaft 701 in an empty manner, and the reverse driven gear 703 is engaged with the first-gear driven gear 706; the utility model discloses in, use one to keep off driven gear 706 for acting as the idler of reversing gear, simplified the structure, do not set up solitary reverse gear and reverse gear axle, simple structure, compact structure.
As shown in fig. 3, the second motor 12 and the first motor 11 are respectively disposed on two sides of the input front shaft 3, and the second motor 12 is in power connection with the front end of the first intermediate shaft 701; adopt bi-motor structure, power supplyes the implementation: the second motor 12 is directly connected with the output, and the second motor 12 is not provided with an independent intermediate shaft, so that the structure is simple and compact.
The power take-off device 13 is further included, and the power take-off device 13 is in power connection with the second-gear driving gear 705. The utility model discloses a power take off implementation mode: the independent power take-off gear and the independent power take-off shaft are adopted, and the rear power take-off 13 is good in working stability.
The embodiment adopts a double-intermediate shaft structure, namely a first intermediate shaft 701 and a second intermediate shaft 702,1 with 3 gears on the first intermediate shaft 701 and 2 and reverse gears on the second intermediate shaft 702, and the first-gear driven gear 706 is a reverse gear idle gear. The double middle shafts can enable gears of all gears to be arranged in a staggered mode, and the axial length of the assembly is shortened.
As shown in fig. 3, in this embodiment, a third-gear driven gear 707 is disposed on the first intermediate shaft 701 in an empty sleeve manner, a second shift actuator 709 is disposed on the first intermediate shaft 701, a first main reduction driving gear 716 is fixedly connected to a rear end of the first intermediate shaft 701, the first-gear driven gear 706 is engaged with the first-gear driving gear 704, and the third-gear driven gear 707 is engaged with the third-gear driving gear 708; a second-gear driven gear 711 is also freely sleeved on the second intermediate shaft 702, a third gear shifting executing mechanism 710 is also arranged on the second intermediate shaft 702, a second main speed reducing driving gear 712 is arranged at the rear end of the second intermediate shaft 702, the second-gear driven gear 711 is meshed with the second-gear driving gear 705, and the second main speed reducing driving gear 712 is meshed with the main speed reducing driven gear 713. Adopts a structure of double middle shafts, 3 gear gears and direct gears,
in this embodiment, the hollow shaft further includes a first motor input gear 1101, a first motor intermediate gear 1102 and a first motor output gear 1103, and the first motor 11 is connected to the first motor input gear 1101, the first motor intermediate gear 1102, the first motor output gear 1103 and the hollow shaft 10 in sequence. And a gear reduction structure is adopted to realize the speed reduction and distance increase of the motor.
The hollow shaft 10 of the embodiment is sleeved on the input front shaft 3, the hollow shaft 10 is fixedly connected with a first motor output gear 1103, the rear end of the hollow shaft 10 is provided with a sun gear 501, the sun gear 501 is engaged with a planet gear 502, and the front end of the hollow shaft 10 is fixedly connected with a first hollow shaft 10 gear shifting combination gear;
in this embodiment, the present invention further includes a second motor input gear 1201 and a second motor output gear 1202, and the second motor 12 is connected to the second motor input gear 1201, the second motor output gear 1202, and the first intermediate shaft 701 in sequence. And a gear reduction structure is adopted to realize the reduction and distance increase of the motor.
In this embodiment, the second main reduction drive gear 712 and the first main reduction drive gear 716 have the same number of teeth. Simple structure and simple control.
In this embodiment, the power take-off 13 includes a power take-off gear 1301 and a power take-off shaft 1302, and the power take-off gear 1301 transmits power to the power take-off shaft 1302 by meshing with the second gear drive gear 705. The PTO function is provided, and external power taking can be realized. Specifically, the front end of the input rear shaft 6 is connected with the gear ring 504, the gear ring 504 is meshed with the planet wheel 502, the rear end of the input rear shaft 6 is connected with the fourth gear-shifting executing mechanism 714, and the rear end of the fourth gear-shifting executing mechanism 714 is connected with the output shaft 715.
In this embodiment, the axes of the first motor 11 and the second motor 12 are parallel. The motors are arranged in parallel, and the structure is compact.
The working modes of the embodiment can be divided into 4 types: the engine 1 is in a driving mode, a pure electric driving mode and an e-CVT mode, and in all the modes, power is finally transmitted to the input rear shaft 6 through the gear ring 504, and power output is achieved through different gears.
The power transmission path is as follows:
driving mode of engine 1: when the clutch 2 is in the engaged state, the first shift actuator 4 is shifted to the right, the carrier 503 is locked to the sun gear 501, and the power of the engine 1 is directly transmitted to the ring gear 504. In this mode, the first motor 11 can compensate the power, and the power is transmitted to the planetary gear set 5 through the first motor input gear 1101, the first motor intermediate gear 1102 and the first motor output gear 1103.
Pure electric drive mode: the clutch 2 is in the disengaged state and the first gear shift actuator 4 is in left-hand or right-hand gear engagement. When the first gear shift actuator 4 is shifted to the left, the planet carrier 503 and the housing are in a locked state, and the power of the first motor 11 is transmitted to the planet row through the first motor input gear 1101, the first motor intermediate gear 1102, the first motor output gear 1103 and the hollow shaft 10, and is transmitted to the ring gear 504 through the sun gear 501 and the planet gear 502, at this time, the planet row is decelerated. When the first gear shift actuator 4 is shifted to the right, the planet carrier 503 and the sun gear 501 are in a locked state, the speed ratio of the entire planetary gear set is 1, and the power of the first motor 11 is transmitted to the planetary gear set through the first motor input gear 1101, the first motor intermediate gear 1102, the first motor output gear 1103 and the hollow shaft 10, and is output through the ring gear 504.
e-CVT mode: the clutch 2 is connected and the first shift actuator 4 is in the neutral position, the first shift actuator 4. At the moment, the engine 1 is used as a main power source, and the power of the engine 1 is transmitted to the planet carrier 503 through the input front shaft 3 and is transmitted to the gear ring 504 through the planet row; the power of the first motor 11 is transmitted to the sun gear 501 and the sun gear 501 through the first motor input gear 1101, the first motor intermediate gear 1102, the first motor output gear 1103 and the hollow shaft 10; in this case, the first electric machine 11 may control the rotation speed of the sun gear 501 and the sun gear 501 to operate the engine 1 in an economical region, or may consume part of the power of the engine 1 through a power line to generate electricity.
In all the modes, power is finally transmitted to the input rear shaft 6 through the gear ring 504, and power output is achieved through different gears.
This embodiment can realize four fender position shifts: double-intermediate-shaft gear position gear + direct gear.
First gear: the second shift actuator 709 is in gear to the left, the third shift actuator 710 is in neutral, and the fourth shift actuator 714 is disengaged. The power input to the rear axle 6 is output to the rear axle through the first gear driving gear 704, the first gear driven gear 706, the second gear shifting actuator 709, the first intermediate shaft 701, the first main reduction driving gear 716, the main reduction driven gear 713 and the output shaft 715.
And (2) second gear: the third shift actuator 710 is shifted to the right, the second shift actuator 709 is in the neutral position, and the fourth shift actuator 714 is disengaged. The power input to the rear axle 6 is output to the rear axle through a secondary driving gear 705, a secondary driven gear 711, a second intermediate axle 702, a second main reduction driving gear 712, a main reduction driven gear 713, and an output shaft 715.
The third gear is directly shifted: fourth shift actuator 714 the fourth shift actuator 714 is in the engaged state, and the second shift actuator 709 and the third shift actuator 710 are in the neutral position. The power of the input rear shaft 6 is directly transmitted to the output shaft 715 and output to the rear axle.
Fourth gear: the second shift actuator 709 is shifted to the right by the second shift actuator 709, the third shift actuator 710 is in the neutral position, and the fourth shift actuator 714 is in the disengaged state. The power input to the rear shaft 6 is output to the rear axle through the three-gear driving gear 708, the three-gear driven gear 707, the first intermediate shaft 701, the first main reduction driving gear 716, the main reduction driven gear 713 and the output shaft 715.
Reversing gear: third shift actuator 710 the third shift actuator 710 is in gear to the left, the second shift actuator 709 is in neutral, and the fourth shift actuator 714 is disengaged. The power input to the rear axle 6 is output to the rear axle through the first gear driving gear 704, the reverse gear driven gear 703, the first gear driven gear 706, the first intermediate shaft 701, the first main reduction driving gear 716, the main reduction driven gear 713 and the output shaft 715.
The power compensation mode is as follows: in any driving mode, the second motor 12 can perform power compensation through the power paths of the second motor input gear 1201, the second motor output gear 1202, the first intermediate shaft 701, the first main reduction driving gear 716, the main reduction driven gear 713 and the output shaft 715, and braking energy can be recovered through reverse transmission of the path in various working modes.
The power taking mode is as follows: in any drive mode, power is transmitted from the second gear drive gear 705 to the power take-off output shaft 1302 via the power take-off output gear 1301.
Claims (8)
1. A four-gear two-intermediate-shaft double-motor front single-planet-row hybrid power system comprises an engine (1), a clutch (2), an input front shaft (3), a first gear shifting execution mechanism (4), a planetary gear set (5), an input rear shaft (6), a speed change mechanism (7), a main speed reducer (8) and wheels (9) which are sequentially connected from front to back, wherein the planetary gear set (5) comprises a sun gear (501), a planet gear (502), a planet carrier (503) and a gear ring (504); the method is characterized in that:
the device also comprises a first motor (11), a hollow shaft (10) and a second motor (12); the first motor (11) is arranged in front of the planetary gear set (5), the first motor (11) is in power connection with a hollow shaft (10), the front end of the hollow shaft (10) is connected with the first gear shifting executing mechanism (4), and the rear end of the hollow shaft is connected with a sun gear (501);
the speed change mechanism (7) comprises a first intermediate shaft (701), a second intermediate shaft (702), a reverse gear driven gear (703), a first gear driving gear (704), a second gear driving gear (705) and a third gear driving gear (708), wherein the first gear driving gear (704) and the second gear driving gear (705) are both arranged on an input rear shaft (6), the front end of the first intermediate shaft (701) is connected with a second motor (12), the reverse gear driven gear (703) is arranged at the front end of the second intermediate shaft (702) in an empty sleeve manner, a first gear driven gear (706) is arranged on the first intermediate shaft (701) in an empty sleeve manner, and the reverse gear driven gear (703) is meshed with the first gear driven gear (706);
the second motor (12) and the first motor (11) are respectively arranged on two sides of the input front shaft (3), and the second motor (12) is in power connection with the front end of the first intermediate shaft (701);
the power take-off device (13) is further included, and the power take-off device (13) is in power connection with the second-gear driving gear (705).
2. The four-gear two-intermediate-shaft dual-motor front single-planet-row hybrid power system as claimed in claim 1, wherein: a third-gear driven gear (707) is sleeved on the first intermediate shaft (701) in an empty manner, a second gear shifting executing mechanism (709) is arranged on the first intermediate shaft (701), a first main reducing driving gear (716) is fixedly connected to the rear end of the first intermediate shaft (701), a first-gear driven gear (706) is meshed with the first-gear driving gear (704), and the third-gear driven gear (707) is meshed with the third-gear driving gear (708);
a second-gear driven gear (711) is arranged on the second intermediate shaft (702) in a free sleeve mode, a third gear shifting executing mechanism (710) is further arranged on the second intermediate shaft (702), a second main reducing driving gear (712) is arranged at the rear end of the second intermediate shaft (702), the second-gear driven gear (711) is meshed with the second-gear driving gear (705), and the second main reducing driving gear (712) is meshed with the main reducing driven gear (713).
3. The four-gear two-intermediate-shaft dual-motor front single-planet-row hybrid power system as claimed in claim 2, wherein: the motor is characterized by further comprising a first motor input gear (1101), a first motor intermediate gear (1102) and a first motor output gear (1103), wherein the first motor (11) is in power connection with the first motor input gear (1101), the first motor intermediate gear (1102), the first motor output gear (1103) and the hollow shaft (10) in sequence.
4. The four-gear two-intermediate-shaft dual-motor front single-planet-row hybrid power system according to claim 2, wherein: the motor is characterized by further comprising a second motor input gear (1201) and a second motor output gear (1202), wherein the second motor (12) is in power connection with the second motor input gear (1201), the second motor output gear (1202) and the first intermediate shaft (701) in sequence.
5. The four-gear two-intermediate-shaft dual-motor front single-planet-row hybrid power system according to claim 2, wherein: the second main reduction drive gear (712) and the first main reduction drive gear (716) have the same number of teeth.
6. The four-gear two-intermediate-shaft dual-motor front single-planet-row hybrid power system according to claim 2, wherein: the power takeoff (13) comprises a power take-off gear (1301) and a power take-off output shaft (1302), and the power take-off gear (1301) transmits power to the power take-off output shaft (1302) through meshing with the two-gear driving gear (705).
7. The four-gear two-intermediate-shaft dual-motor front single-planet-row hybrid power system as claimed in claim 2, wherein: the front end of the input rear shaft (6) is connected with the gear ring (504), the gear ring (504) is meshed with the planet wheel (502), the rear end of the input rear shaft (6) is connected with the fourth gear-shifting executing mechanism (714), and the rear end of the fourth gear-shifting executing mechanism (714) is connected with the output shaft (715).
8. The four-gear two-intermediate-shaft dual-motor front single-planet-row hybrid power system according to claim 2, wherein: the axes of the first motor (11) and the second motor (12) are parallel.
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|---|---|---|---|
| CN202222528576.8U CN218577503U (en) | 2022-09-23 | 2022-09-23 | Four-gear two-intermediate-shaft double-motor front single-planet-row hybrid power system |
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| CN202222528576.8U CN218577503U (en) | 2022-09-23 | 2022-09-23 | Four-gear two-intermediate-shaft double-motor front single-planet-row hybrid power system |
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