CN207510211U - A kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing - Google Patents
A kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing Download PDFInfo
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- CN207510211U CN207510211U CN201721696065.XU CN201721696065U CN207510211U CN 207510211 U CN207510211 U CN 207510211U CN 201721696065 U CN201721696065 U CN 201721696065U CN 207510211 U CN207510211 U CN 207510211U
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- motor
- external toothing
- planet
- planet row
- shaft
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Abstract
The utility model discloses a kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing, including engine and the first motor, second motor and output shaft, further include the first planet row and the second planet row between first motor and the second motor, first planet row and the second planet row are connected by external toothing, first planet row is connected with first motor, second planet row is connected with second motor, the engine is connected by the first transmission shaft with first planet row, the output shaft is connected by second driving shaft with the external toothing, first transmission shaft and second driving shaft are coaxially arranged.The hybrid transmissions of the utility model share external toothing transmission, reduce the design requirement to transmission device, saved arrangement space, reduce cost, meanwhile, the kind of drive of twin shaft arrangement, transmission efficiency higher, the dynamic property for making vehicle is more preferable.
Description
Technical field
The utility model is related to automobile hybrid power drive technology field, more specifically, it relates to a kind of shared external tooth
The double planet wheel rows of mixing twin shaft hybrid transmissions of circle.
Background technology
Toyota releases first hybrid vehicle Prius, newest forth generation Prius is proposed by 2015, still using THS
Dynamic branch formula structure, planetary gear system redistribute the output power of engine, reach reasonable balance engine
The purpose of load.It is the actuating unit structure principle chart of Toyota Prius hybrid power car shown in attached drawing 1, including hair
The components such as motivation E, motor MG1, motor MG2 and the dynamic coupling system including a single planetary row, in this mechanism, start
Machine E is connected by damper with the planet carrier a of single planetary row, and pass through planetary gear b impart power to external toothing c and
Sun gear d, external toothing c are connected with output shaft, and output shaft is connected by train of reduction gears e with the rotor of motor MG2, sun gear d
It is connected with the rotor of motor MG1, output shaft imparts power to vehicle by chain drive system f, main reducing gear g and differential mechanism h
Wheel.Engine E major part torques are directly delivered on output shaft by the system, by fraction torque be transmitted to motor MG1 for
Power generation, the electric energy that motor MG1 is sent out is charged according to instruction for battery or driving motor MG2, to increase driving force.This structure
Torque that can be by regulation motor MG1 and rotating speed, allow engine to be constantly in high efficient area or Low Emission Zone, in addition, passing through
The rotating speed of each element of planet row is adjusted, it is made to work as contiuously variable transmission.
Since above-mentioned actuating unit is using single planetary row, reduction ratio is low, and the rotation speed change range, torque to motor will
Ask high, so as to which the whole requirement to motor is high, also, to reach enough reduction ratio, the deceleration device of output shaft employs packet
The Multi-stage transmission component of chain drive system f, main reducing gear g are included, driving engine efficiency is low, and increases the complexity of system
Property, increase requirement of the system to space layout.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, provide one kind can double startup add
Speed improves driving engine efficiency, and the double planet wheel rows of mixing twin shaft hybrid power that can improve the shared external toothing of vehicle dynamic property passes
Dynamic device.
The technical solution of the utility model is such：A kind of double planet wheel rows of mixing twin shaft hybrid power transmission of shared external toothing
Device including engine and the first motor, the second motor and output shaft, is further included positioned at first motor and the second motor
Between the first planet row and the second planet row, first planet row and the second planet row are connected by external toothing, described
First planet row is connected with first motor, and second planet row is connected with second motor, and described starts
Machine is connected by the first transmission shaft with first planet row, and the output shaft passes through second driving shaft and the external tooth
Circle is connected, and first transmission shaft and second driving shaft are coaxially arranged.
As a further improvement, first planet row includes the first sun gear and the first planet that engage successively
Wheel, second planet row include the second sun gear and the second planetary gear that engage successively, the external toothing with it is described
First planetary gear and the second planetary gear engage simultaneously to be connected.
Further, the planet carrier that the two is connected is equipped between first transmission shaft and the first planetary gear, it is described
External toothing and the second driving shaft between be equipped with link that the two is connected.
Further, first sun gear is connected by axis with the rotor of first motor, and described second too
Sun wheel is connected by axis with the rotor of second motor.
Further, first sun gear and the second sun gear are coaxially arranged, and are sheathed on described first respectively
On transmission shaft and second driving shaft.
Further, being equipped between first motor and the first planet row can be by the planet carrier fixed first
Lock-up clutch, the first lock-up clutch side are additionally provided with the second lock that the planet carrier can be connected with external toothing
Only clutch.
Further, the shell for surrounding first motor, the second motor, the first planet row and the second planet row is further included
Body, second planetary gear are fixed on by fixed frame on the housing.
Further, first transmission shaft is connected by damper with the bent axle of the engine.
Advantageous effect
The utility model compared with prior art, have the advantage that for：
1st, the hybrid transmissions of the utility model, using the double planet wheel rows of mixing structure of shared external toothing, it can be achieved that nothing
Pole speed change passes to output terminal after the torque couplings of engine, the first motor and the input of three, the second motor, and three input terminals are not
Combination with operating mode and state can generate a variety of different output modes, achieve the purpose that energy saving, pure power mode
The external output torque of bi-motor, accelerating ability is good, while also reduces the design requirement of motor, optimizes the cloth of transmission device
Office, reduces cost, and engine can directly connect load, power directly exports, transmission efficiency higher, and the vehicle dynamic property made is more
It is good, the design of external toothing is shared, reduces number of parts, further reduces costs, optimize arrangement space.
Description of the drawings
Fig. 1 is the structure principle chart of the prior art；
Fig. 2 is the structure principle chart of the utility model.
Wherein：1- engines, 2- bent axles, the first motors of 3-, the second motors of 4-, 5- output shafts, the first planet rows of 6-, 7-
Two planet rows, 8- external toothings, the first transmission shafts of 9-, 10- second driving shafts, 11- planet carriers, 12- links, the first lockings of 13-
Clutch, the second lock-up clutches of 14-, 15- housings, 16- fixed frames, 17- dampers, the first sun gears of 6a-, 6b- the first rows
Star-wheel, the second sun gears of 7a-, the second planetary gears of 7b-.
Specific embodiment
Specific embodiment in below in conjunction with the accompanying drawings is described further the utility model.
Referring to Fig.2, a kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing of the utility model, including
1 and first motor 3 of engine, the second motor 4 and output shaft 5 are further included between the first motor 3 and the second motor 4
First planet row 6 and the second planet row 7 make engine 1, the first motor 3, the first planet row 6, the second planet row 7 and second
Arranged in parallel, the first planet row 6 are connected motor 4 with the second planet row 7 by external toothing 8 successively, and two planet rows is made to share one
Gear ring transmits torque, makes transmission system integrated level high, reduces number of parts, and the first planet row 6 is connected with the first motor 3, the
Two planet rows 7 are connected with the second motor 4, and engine 1 is connected by the first transmission shaft 9 with the first planet row 6, and output shaft 5 passes through
Second driving shaft 10 is connected with external toothing 8, compact-sized, it is ensured that the continuity that power transmits, the first transmission shaft 9 and second pass
Moving axis 10 is coaxially arranged, improves the stability that power transmits, is not influenced by torque therebetween.The mixing of the utility model is moved
Force actuators share external toothing transmission, reduce the design requirement to transmission device, saved arrangement space, reduced into
This, meanwhile, the kind of drive of twin shaft arrangement, transmission efficiency higher, the dynamic property for making vehicle is more preferable.
Specifically, the first planet row 6 includes the first sun gear 6a and the first planetary gear 6b that engage successively, the second planet row
7 include the second sun gear 7a and the second planetary gear 7b that engage successively, for stress balance, the first planetary gear 6b and the second planet
Wheel 7b is designed to three or four, and the quantity of the first planetary gear 6b and the second planetary gear 7b are corresponding, respectively in first sun
Equal distribution on the circumference of 6a and the second sun gear 7a is taken turns to put, and external toothing 8 and multiple first planetary gear 6b and the second planetary gear 7b
It engages and is connected simultaneously, the planet carrier 11 that the two is connected, planet carrier 11 are equipped between the first transmission shaft 9 and the first planetary gear 6b
The first all planetary gear 6b is connected, correspondingly, being equipped with the connection that the two is connected between external toothing 8 and second driving shaft 10
Frame 12, link 12 is between two planet rows, and the first sun gear 6a is connected by axis with the rotor of the first motor 3, and second too
Sun wheel 7a is connected by axis with the rotor of second motor 4, and the first sun gear 6a and the second sun gear 7a are coaxially arranged, and
It is sheathed on respectively on the first transmission shaft 9 and second driving shaft 10, improves transmission stability.
The transmission device of the utility model is further included the first motor 3, the second motor 4, the first planet row 6 and the second planet
The housings 15 that row 7 surrounds make transmission parts be respectively positioned in the space of an encirclement, can protect injury-free same of transmission parts
When, the first motor 3, the second motor 4, the first planet row 6 and the second planet row 7 can also be enable to share a cooling and lubricating system
System, it is easily controllable, convenient for layout, wherein, the second planetary gear 7b is fixed on by fixed frame 16 on housing 15, and fixed frame 16 is by institute
The second planetary gear 7b connections having make the second all planetary gear 7b that cannot be rotated around the second sun gear 7a, the first transmission
Axis 9 and second driving shaft 10 are plugged in housing 15, also, the first transmission shaft 9 passes through damper 17 and the song of engine 1
Axis 2 is connected, and improves the stability that power transmits.
In the present embodiment, planet carrier 11 fixed first can be locked by being equipped between the first motor 3 and the first planet row 6
Only clutch 13 are additionally provided with the second locking that planet carrier 11 can be connected with external toothing 8 in 13 side of the first lock-up clutch
Clutch 14, wherein, when the first lock-up clutch 13 is closed, planet carrier 11 is fixed on housing 15, the second lock-up clutch
During 14 closure, planet carrier 11 and external toothing 8 are combined into one, and rotates together.The transmission device of the utility model uses
The double planet wheel rows of mixing structure of external toothing is shared, it can be achieved that electrodeless variable-speed, 4 three engine 1, the first motor 3 and the second motor inputs
Torque coupling after pass to output shaft 5, the different working modes of three input terminals and the combination of state can generate a variety of different
Output mode is embodied in：
(1) pure electric single motor drive mode：When the first lock-up clutch 13 and the second lock-up clutch 14 are in original position
It opens or the second lock-up clutch 14 is opened, the first lock-up clutch 13 is closed, when planet carrier 11 is fixed on housing 15,
Second motor 4 works, torque by rotor, the second sun gear 7a, the second planetary gear 7b, external toothing 8 be transmitted to link 12,
Second driving shaft 10 is exported finally by output shaft 5, at this point, since the first planet row 6 and the second planet row 7 share external toothing
8, the torque of the second motor 4 is transmitted to the first sun gear 6a by 8 and first planetary gear 6b of external toothing, makes its idle running, and first
It planetary gear 6b rotations but cannot revolve round the sun around the first sun gear 6a；
(2) pure electric Dual-motors Driving pattern：When the second lock-up clutch 14 is opened, the first lock-up clutch 13 is closed, will
When planet carrier 11 is fixed on housing 15, i.e., engine is lockable motionless, and the first motor 3 and the second motor 4 work at the same time at this time,
The torque of second motor 4 input is transmitted to link by its rotor, the second sun gear 7a, the second planetary gear 7b, external toothing 8
12nd, second driving shaft 10, the torque of the first motor 3 pass through its rotor, the first sun gear 6a, the first planetary gear 6b, external toothing 8
Link 12, second driving shaft 10 are transmitted to, is exported, can passed through by output shaft 5 after the torque coupling of most latter two motor
The torque of two motors of change and rotating speed change the rotating speed of output shaft 5, easy to operate, using the external output torque of bi-motor, add
Fast performance is good, while also reduces the design requirement of motor and then reduce cost；
(3) E-CVT patterns：That is mechanical-electric coupling electrodeless variable-speed pattern, when the first lock-up clutch 13 and the second locking clutch
Device 14 is in opening state in situ, and 1 and second motor 4 of engine works at this time, and the second motor 4 can be used as auxiliary power-assisted, turn
For square by its rotor, the second sun gear 7a, the second planetary gear 7b, external toothing 8 is transmitted to link 12, second driving shaft 10, hair
The torque of motivation 1 is transmitted to link 12, second driving shaft 10 by planet carrier 11, the first planetary gear 6b, external toothing 8, starts
It after the torque coupling of 1 and second motor 4 of machine, is exported eventually by output shaft 5, since the first planetary gear 6b has driven first sun
The rotation of 6a is taken turns, the partial torque of engine 1 is made to pass through the first sun gear 6a and pass to the first motor 3 and is generated electricity, is filled for battery
Electricity so as to which engine be made to be in ideal operation region, realizes fuel-economizing；
(4) parallel drive pattern：It is opened when the first lock-up clutch 13 is in situ, the second lock-up clutch 14 is closed,
During by planet carrier 11 and 8 locking of external toothing, engine 1, the first motor 3 and the second motor 4 work, planet carrier 11 and external toothing 8
Rotating speed is identical, and the torque for being equivalent to engine 1 is directly delivered to output shaft 5, improves transmission efficiency, and the first motor 3 at this time
After auxiliary power, the torques of two motors being used as to converge with the second motor 4, in the torque coupling with engine 1, three are formed
The way of output that power exports simultaneously, it is ensured that engine is in optimum Working, realizes fuel-economizing；
(5) pure engine drive mode：It is opened when the first lock-up clutch 13 is in situ, the second lock-up clutch 14 closes
It closes, by planet carrier 11 and during 8 locking of external toothing, planet carrier 11 is identical with 8 rotating speed of external toothing, 4 sky of the first motor 3 and the second motor
Turn, the torque of engine 1 is directly delivered to output shaft 5, transmission efficiency, vehicle good dynamic property.
Above-described is only the preferred embodiment of the utility model, it should be pointed out that those skilled in the art is come
It says, under the premise of the utility model structure is not departed from, several modifications and improvements can also be made, these all do not interfere with this reality
With the effect and practical applicability of novel implementation.
Claims (8)
1. a kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing, including engine (1) and the first motor
(3), the second motor (4) and output shaft (5), which is characterized in that further include positioned at first motor (3) and the second motor (4)
Between the first planet row (6) and the second planet row (7), first planet row (6) and the second planet row (7) pass through external toothing
(8) it is connected, first planet row (6) is connected with first motor (3), second planet row (7) and described
Second motor (4) is connected, and the engine (1) is connected by the first transmission shaft (9) with first planet row (6), institute
The output shaft (5) stated is connected by second driving shaft (10) with the external toothing (8), first transmission shaft (9) and second
Transmission shaft (10) is coaxially arranged.
2. a kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing according to claim 1, feature
It is, first planet row (6) includes the first sun gear (6a) engaged successively and the first planetary gear (6b), and described
Two planet rows (7) include the second sun gear (7a) engaged successively and the second planetary gear (7b), the external toothing (8) with it is described
The first planetary gear (6b) and the second planetary gear (7b) and meanwhile engagement be connected.
3. a kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing according to claim 2, feature
It is, the planet carrier (11) that the two is connected is equipped between first transmission shaft (9) and the first planetary gear (6b), it is described
The link (12) that the two is connected is equipped between external toothing (8) and the second driving shaft (10).
4. a kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing according to claim 2, feature
It is, first sun gear (6a) is connected by axis with the rotor of first motor (3), second sun gear
(7a) is connected by axis with the rotor of second motor (4).
5. a kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing according to claim 2, feature
It is, first sun gear (6a) and the second sun gear (7a) are coaxially arranged, and are sheathed on first transmission respectively
On axis (9) and second driving shaft (10).
6. a kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing according to claim 3, feature
It is, being equipped between first motor (3) and the first planet row (6) can be by fixed first lock of the planet carrier (11)
Only clutch (13), described the first lock-up clutch (13) side is additionally provided with can be by the planet carrier (11) and external toothing
(8) connected the second lock-up clutch (14).
7. a kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing according to claim 2, feature
It is, further includes the shell for surrounding first motor (3), the second motor (4), the first planet row (6) and the second planet row (7)
Body (15), second planetary gear (7b) are fixed on by fixed frame (16) on the housing (15).
8. a kind of double planet wheel rows of mixing twin shaft hybrid power transmission of shared external toothing according to any one in claim 1-7
Device, which is characterized in that bent axle (2) phase that first transmission shaft (9) passes through damper (17) and the engine (1)
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721696065.XU CN207510211U (en) | 2017-12-08 | 2017-12-08 | A kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721696065.XU CN207510211U (en) | 2017-12-08 | 2017-12-08 | A kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing |
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| Publication Number | Publication Date |
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| CN207510211U true CN207510211U (en) | 2018-06-19 |
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| CN201721696065.XU Active CN207510211U (en) | 2017-12-08 | 2017-12-08 | A kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933287A (en) * | 2017-12-08 | 2018-04-20 | 广西玉柴机器股份有限公司 | A kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing |
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2017
- 2017-12-08 CN CN201721696065.XU patent/CN207510211U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933287A (en) * | 2017-12-08 | 2018-04-20 | 广西玉柴机器股份有限公司 | A kind of double planet wheel rows of mixing twin shaft hybrid transmissions of shared external toothing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220916 Address after: No. 9, Keyuan East 11th Road, High-tech Zone, Nanning City, Guangxi Zhuang Autonomous Region, 530009 Patentee after: Yuchaixinlan New Energy Power Technology Co.,Ltd. Address before: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |
|
| TR01 | Transfer of patent right |