CN208290944U - Two gear double-motor power coupling driving devices - Google Patents
Two gear double-motor power coupling driving devices Download PDFInfo
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- CN208290944U CN208290944U CN201820757936.2U CN201820757936U CN208290944U CN 208290944 U CN208290944 U CN 208290944U CN 201820757936 U CN201820757936 U CN 201820757936U CN 208290944 U CN208290944 U CN 208290944U
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Abstract
The utility model relates to a kind of two grades of double-motor power coupling driving devices, the output shaft of main drive motor passes through driving gear set one and the first transmission axis connection, first transmission shaft is driven axis connection by driving gear set two and third, third transmission shaft is equipped with planetary gear train, third both ends of the drive shaft and active drive motor output shaft, auxiliary drive motor output shaft passes through synchronizer one respectively, synchronizer two connects, auxiliary drive motor output shaft is connect by driving gear set three with second driving shaft, second driving shaft is equipped with gear ring transmission gear, gear ring transmission gear is engaged with the gear ring of planetary gear train, lock device one and lock device two are respectively equipped on first transmission shaft and second driving shaft.The utility model passes through two synchronizers of control, the different conditions of two lock devices and the different operating statuses of main drive motor and auxiliary drive motor, two grades of multiple-working modes are able to achieve, various working when meeting running car and work as much as possible is in motor high efficient district.
Description
Technical field:
The utility model relates to one kind two to keep off double-motor power coupling driving device.
Background technique:
In order to improve the dynamic property and economy of pure electric automobile, more and more researchers couple bi-motor and drive
Dynamic device is studied.Current most bi-motor coupling drive system is all logical to clutch excessively, the control of lock device etc.
System is to carry out pattern switching.But the operating mode of most bi-motor coupling drive system is respectively less than and is equal to four kinds, although
The traveling of electric car can substantially be met, but electric vehicle can not be allowed to be worked as far as possible in high efficient area.
Application No. is 2011104404212 to propose Double-power coupling driving system for pure electric automobile, by two electricity
Machine and multiple gear sets linkage composition set of gears deceleration device, its operating mode individually drive there are two motor,
Motor 1 and motor 2 one keep off torque coupling, motor 1 and 2 second gear torque coupling of motor, although it can be adapted to electric car
The operating condition of large torque demand, but because this covering device lacks revolving speed coupling, it is impossible to meet electric cars in high-speed cruising
Operating condition.
Application No. is 2013106336825 to propose a kind of electric car bi-motor coupling drive system, uses two
One lock device of motor and three clutches is combined, by controlling the different conditions of three clutches and lock device,
Single motor driving and bi-motor coupling driving mode between mutually switch, but the revolving speed due to only can be realized a gear with
Torque coupling can not be that electric car is worked as far as possible in the highest region of energy efficiency.
Utility model content:
The utility model makes improvement for the above-mentioned problems of the prior art, i.e., skill to be solved in the utility model
Art problem is to provide one kind two and keeps off double-motor power coupling driving device, is not only simple in structure, and convenient and efficient.
To achieve the goals above, the technical solution adopted in the utility model is: one kind two is kept off double-motor power coupling and is driven
Dynamic device, including it is main drive motor, auxiliary drive motor, driving gear set one, driving gear set two, driving gear set three, same
Walk device one, synchronizer two, lock device one, lock device two, planetary gear train, the first transmission shaft, second driving shaft and third transmission
Axis, the planetary gear train include sun gear, planetary gear, gear ring and planet carrier, and the sun gear is arranged on third transmission shaft, the
The both ends of three transmission shafts pass through respectively synchronizer one, the output shaft of synchronizer two and main drive motor, auxiliary drive motor it is defeated
Shaft realizes power transmitting；The both ends of first transmission shaft are respectively via driving gear set one, driving gear set two and main drive
The output shaft of dynamic motor, the connection of third transmission shaft driven, the lock device one are arranged on the first transmission shaft；Second transmission
One end of axis connects rack gear transmission gear, the gear ring transmission gear and gear ring internal messing, and the other end of second driving shaft passes through
It is sequentially connected by the output shaft of driving gear set three and auxiliary drive motor, the lock device two is arranged on second driving shaft.
Further, the main drive motor and auxiliary drive motor are disposed coaxially on the two sides of planetary gear train.
Further, the engagement system of the driving gear set one, driving gear set two and driving gear set three is
External toothing.
Further, the driving gear set one includes transmission gear one and transmission gear six, and the transmission gear one connects
It connects on the output shaft of main drive motor, the transmission gear six is connected on the first transmission shaft；The driving gear set two is wrapped
Transmission gear two and transmission gear five are included, the transmission gear two is connected on third transmission shaft, and the transmission gear five connects
On the first transmission shaft；The driving gear set three includes transmission gear three and transmission gear four, and the transmission gear three connects
On the output shaft of auxiliary drive motor, the transmission gear four is connected on second driving shaft.
Compared with prior art, the utility model has the effect that the utility model is simple and reasonable for structure, passes through control
The different operating statuses of two synchronizers, the different conditions of two lock devices and main drive motor and auxiliary drive motor are made,
Two gear multiple-working modes may be implemented, various working when can satisfy running car and work as much as possible is in motor
High efficient district.
Detailed description of the invention:
Fig. 1 is the organigram of the utility model embodiment；
Fig. 2 is the power flow chart that main drive motor one keeps off the mode that is operated alone；
Fig. 3 is the power flow chart that mode is operated alone in main drive motor second gear；
Fig. 4 is the power flow chart that auxiliary drive motor one keeps off the mode that is operated alone；
Fig. 5 is the power flow chart that mode is operated alone in auxiliary drive motor second gear；
Fig. 6 is the power flow chart that bi-motor one keeps off revolving speed coupled mode；
Fig. 7 is the power flow chart of bi-motor second gear revolving speed coupled mode；
Fig. 8 is the power flow chart that bi-motor one keeps off torque coupling mode；
Fig. 9 is the power flow chart of bi-motor second gear torque coupling mode.
In figure:
1- main drive motor；2- transmission gear one；3- synchronizer one；4- transmission gear two；5- planet carrier；6- gear ring；7-
Sun gear；8- synchronizer two；9- transmission gear three；10- auxiliary drive motor；11- transmission gear four；12- lock device two；13-
Gear ring transmission gear；14- transmission gear five；15- lock device one；16- transmission gear six；The first transmission shaft of 17-；18- second is passed
Moving axis；19- third transmission shaft.
Specific embodiment:
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, the utility model one kind two keeps off double-motor power coupling driving device, including main drive motor 1, auxiliary
Help driving motor 10, driving gear set one, driving gear set two, driving gear set three, synchronizer 1, synchronizer 28, locking
Device 1, lock device 2 12, planetary gear train, the first transmission shaft 17, second driving shaft 18 and third transmission shaft 19, the planet
Train includes sun gear 7, planetary gear, gear ring 6 and planet carrier 5, and the sun gear 7 is arranged on third transmission shaft 19, and third passes
The both ends of moving axis 19 pass through synchronizer 1, the output shaft of synchronizer 28 and main drive motor 1, auxiliary drive motor 10 respectively
Output shaft realizes power transmitting；The both ends of first transmission shaft 17 respectively via driving gear set one, driving gear set two with
Output shaft, the third transmission shaft 19 of main drive motor 1 are sequentially connected, and the lock device 1 is arranged on the first transmission shaft 17；
One end of the second driving shaft 1/ connects rack gear transmission gear 13, the gear ring transmission gear 13 and 6 internal messing of gear ring, the
The other end of two transmission shafts 18 is sequentially connected via the output shaft of driving gear set three and auxiliary drive motor 10, the lock device
2 12 are arranged on second driving shaft 18.It is electric by two synchronizers of control, the different conditions of two lock devices and main driving
Two gear multiple-working modes may be implemented in the different operating statuses of machine and auxiliary drive motor, when can satisfy running car
Various working and it is as much as possible work in motor high efficient district.
In the present embodiment, the synchronizer 1 can have three kinds of left, center, right connection status with synchronizer 28, work as synchronization
It is not connect with any part when device one or synchronizer two in an intermediate position；When synchronizer 1 is in left position, synchronizer
1 with the output axis connection of main drive motor 1, when being in right end position, synchronizer 1 is connect with third transmission shaft 19.When same
When be in left position, synchronizer 28 is connect step device 28 with third transmission shaft 19, when in right end position, synchronizer 28 and
The output axis connection of auxiliary drive motor 10.The synchronizer 1 is arranged on the output shaft of main drive motor 1, passes through control
The combination of synchronizer 1 with separate realize main drive motor 1 output shaft to planetary gear train sun gear 7 power transmitting；Institute
Synchronizer 28 is stated to be arranged on the output shaft of auxiliary drive motor 10, by control synchronizer 28 combination with separate realization it is auxiliary
The power for helping the output shaft of driving motor 10 to the sun gear 7 of planetary gear train transmits.
In the present embodiment, the main drive motor 1 is disposed coaxially on the two sides of planetary gear train with auxiliary drive motor 10.
In the present embodiment, the engagement system of the driving gear set one, driving gear set two and driving gear set three is equal
For external toothing.
In the present embodiment, the driving gear set one includes transmission gear 1 and transmission gear 6 16, the transmission gear
One 2 are connected on the output shaft of main drive motor 1, and the transmission gear 6 16 is connected on the first transmission shaft 17；The transmission
Gear set two includes transmission gear 24 and transmission gear 5 14, and the transmission gear 24 is connected on third transmission shaft 19, institute
Transmission gear 5 14 is stated to be connected on the first transmission shaft 17；The driving gear set three includes transmission gear 39 and transmission gear
4 11, the transmission gear 39 is connected on the output shaft of auxiliary drive motor 10, and the transmission gear 4 11 is connected to second
On transmission shaft 18.
Utility model has the advantages that it is simple and reasonable for structure, not by two synchronizers of control, two lock devices
With the different operating statuses of state and main drive motor and auxiliary drive motor, can mutually be cut between multiple-working mode
It changes, can satisfy all operating conditions of pure electric vehicle operation, and pure electric vehicle is made to operate in high efficient area as far as possible
Specific implementation process: it sequentially includes the following steps:
The transmission ratio of driving gear set one is set first as i1, the transmission ratio of driving gear set two is i2, driving gear set three
Transmission ratio be i3, the transmission ratio of gear ring transmission gear and planetary gear train gear ring is i4, planet row characteristic parameter k is for gear ring and too
The ratio of sun wheel, the revolving speed of main drive motor are nMG1, output torque TMG1, the revolving speed of auxiliary drive motor is nMG2, output turn
Square is TMG2, it is n that planet carrier, which exports revolving speed,C, output torque TC；
(1) mode is operated alone in the gear of main drive motor one, as shown in Fig. 2, in such a mode, lock device 1 is unclamped, lock
Only 2 12 locking of device, synchronizer 1 are located at left end, and synchronizer 28 is in an intermediate position；Under this mode, 1 work of main drive motor
Make, auxiliary drive motor 10 stops working, the power that main drive motor 1 generates by driving gear set one, driving gear set two,
Sun gear 7 reaches planetary gear, carries out power output, the rotation speed relation of input and output by planet carrier 5 are as follows:Torque relationship are as follows: TC=i1*i2*(1+k)*TMG1；
(2) mode is operated alone in main drive motor second gear, as shown in figure 3, in such a mode, one 15 locking of lock device, lock
Only 2 12 locking of device, synchronizer 1 are located at right end, and synchronizer 28 is in an intermediate position；Under this mode, 1 work of main drive motor
Make, auxiliary drive motor 10 stops working, and the power that main drive motor 1 generates reaches planet by synchronizer 1, sun gear 7
Wheel carries out power output, the rotation speed relation of input and output by planet carrier 5 are as follows:Torque relationship are as follows: TC=(1+
k)*TMG1；
(3) mode is operated alone in the gear of auxiliary drive motor one, as shown in figure 4, in such a mode, one 15 locking of lock device,
Lock device 2 12 is unclamped, and synchronizer 1 is centrally located, and synchronizer 28 is in right end；Under this mode, main drive motor 1 stops
It only works, auxiliary drive motor 10 works, and the power that auxiliary drive motor 10 generates passes through driving gear set three, gear ring driving cog
Wheel 13, gear ring 6 reach planetary gear, carry out power output, the rotation speed relation of input and output by planet carrier 5 are as follows:Torque relationship are as follows:
(4) mode is operated alone in auxiliary drive motor second gear, as shown in figure 5, in such a mode, one 15 locking of lock device,
2 12 locking of lock device, synchronizer 1 is centrally located, and synchronizer 28 is in left end；Under this mode, main drive motor 1 stops
It only works, auxiliary drive motor 10 works, and the power that auxiliary drive motor 10 generates reaches row by synchronizer 28, sun gear 7
Star-wheel carries out power output, the rotation speed relation of input and output by planet carrier 5 are as follows:Torque relationship are as follows: TC=
TMG2*(1+k)；
(5) one gear revolving speed coupled mode, as shown in fig. 6, in such a mode, lock device 1 is unclamped, 2 12 pine of lock device
It opens, synchronizer 1 is located at left position, and synchronizer 28 is in right end position, and main drive motor 1 works, auxiliary drive motor 10
Work, the power that main drive motor 1 generates pass through driving gear set one, driving gear set two, sun gear 7, auxiliary drive motor
10 power generated pass through driving gear set three, gear ring transmission gear 13, gear ring 6, and two power are coupled and reached at planetary gear
Planetary gear is exported by planet carrier 5, inputs the rotation speed relation with output are as follows:
Torque relationship are as follows:
(6) second gear revolving speed coupled mode, as shown in fig. 7, in such a mode, one 15 locking of lock device, 2 12 pine of lock device
It opens, synchronizer 1 is located at right end position, and synchronizer 28 is in right end position, and main drive motor 1 works, auxiliary drive motor 10
Work, the power that main drive motor 1 generates pass through synchronizer 1, sun gear 7, and the power that auxiliary drive motor 10 generates passes through
Driving gear set three, gear ring transmission gear 13, gear ring 6, two power couple at planetary gear and reach planetary gear, by planet carrier 5
It is exported, inputs the rotation speed relation with output are as follows:Torque relationship are as follows:
(7) one gear torque coupling modes, as shown in figure 8, in such a mode, lock device 1 is unclamped, lock device 2 12 is locked
Only, synchronizer 1 is located at right end position, and synchronizer 28 is in right end position, and main drive motor 1 works, auxiliary drive motor 10
Work, the power that main drive motor 1 generates pass through driving gear set one, driving gear set two, sun gear 7, auxiliary drive motor
10 power generated pass through synchronizer 28, sun gear 7, and two power couple at sun gear 7 and reach planetary gear, by planet carrier 5
It is exported, inputs the rotation speed relation with output are as follows:Torque relationship are as follows: TC=TMG1*
(1+k)*i1*i2+TMG2*(1+k)；
(8) second gear torque coupling mode, as shown in figure 9, in such a mode, one 15 locking of lock device, lock device 2 12 is locked
Only, synchronizer 1 is located at right end position, and synchronizer 28 is in left position, and main drive motor 1 works, auxiliary drive motor 10
Work, the power that main drive motor 1 generates pass through synchronizer 1, sun gear 7, and the power that auxiliary drive motor 10 generates passes through
Synchronizer 28, sun gear 7, two power couple and are reached at sun gear 7 planetary gear, exported by planet carrier 5, input with
The rotation speed relation of output are as follows:Torque relationship are as follows: TC=(TMG1+TMG2)*(1+k)。
In the present embodiment, all parts working condition is as shown in the table:
In upper table: letter ' M ' indicates that motor is in running order, and alphabetical " C " indicates that motor is in halted state；Number
" 0 " indicates that lock device is in releasing orientation, and digital " 1 " indicates that lock device is in lockup state；Character " ← " indicates synchronizer position
In left position, character " → " indicates that synchronizer is in right end position, and character " | " indicates that synchronizer is centrally located.
The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the patents it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model.
Claims (4)
1. one kind two keep off double-motor power coupling driving device, it is characterised in that: including main drive motor, auxiliary drive motor,
Driving gear set one, driving gear set two, driving gear set three, synchronizer one, synchronizer two, lock device one, lock device two, row
Star wheel series, the first transmission shaft, second driving shaft and third transmission shaft, the planetary gear train include sun gear, planetary gear, gear ring
And planet carrier, the sun gear are arranged on third transmission shaft, the both ends of third transmission shaft pass through synchronizer one, synchronizer respectively
Two realize power transmitting with the output shaft of main drive motor, the output shaft of auxiliary drive motor；The both ends of first transmission shaft
It is connect respectively via driving gear set one, driving gear set two with the output shaft of main drive motor, third transmission shaft driven, it is described
Lock device one is arranged on the first transmission shaft；One end of the second driving shaft connects rack gear transmission gear, and the gear ring passes
The other end of moving gear and gear ring internal messing, second driving shaft is passed via the output shaft of driving gear set three and auxiliary drive motor
Dynamic connection, the lock device two are arranged on second driving shaft.
2. two gears double-motor power coupling driving device according to claim 1, it is characterised in that: the main drive motor
The two sides of planetary gear train are disposed coaxially on auxiliary drive motor.
3. two gears double-motor power coupling driving device according to claim 1, it is characterised in that: the driving gear set
One, the engagement system of driving gear set two and driving gear set three is external toothing.
4. two gears double-motor power coupling driving device according to claim 1 or 3, it is characterised in that: the driving cog
Wheel group one includes transmission gear one and transmission gear six, and the transmission gear one is connected on the output shaft of main drive motor, institute
Transmission gear six is stated to be connected on the first transmission shaft；The driving gear set two includes transmission gear two and transmission gear five, institute
It states transmission gear two to be connected on third transmission shaft, the transmission gear five is connected on the first transmission shaft；The transmission gear
Group three includes transmission gear three and transmission gear four, and the transmission gear three is connected on the output shaft of auxiliary drive motor, institute
Transmission gear four is stated to be connected on second driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820757936.2U CN208290944U (en) | 2018-05-21 | 2018-05-21 | Two gear double-motor power coupling driving devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820757936.2U CN208290944U (en) | 2018-05-21 | 2018-05-21 | Two gear double-motor power coupling driving devices |
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| Publication Number | Publication Date |
|---|---|
| CN208290944U true CN208290944U (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820757936.2U Active CN208290944U (en) | 2018-05-21 | 2018-05-21 | Two gear double-motor power coupling driving devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482088A (en) * | 2018-05-21 | 2018-09-04 | 福州大学 | Two grades of double-motor power coupling driving devices and its working method |
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2018
- 2018-05-21 CN CN201820757936.2U patent/CN208290944U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482088A (en) * | 2018-05-21 | 2018-09-04 | 福州大学 | Two grades of double-motor power coupling driving devices and its working method |
| CN108482088B (en) * | 2018-05-21 | 2023-12-15 | 福州大学 | Two-gear double-motor power coupling driving device and working method thereof |
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