CN209505453U - The arm-type double planet wheel rows of mixing driving device of automobile corotation - Google Patents
The arm-type double planet wheel rows of mixing driving device of automobile corotation Download PDFInfo
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- CN209505453U CN209505453U CN201821873994.8U CN201821873994U CN209505453U CN 209505453 U CN209505453 U CN 209505453U CN 201821873994 U CN201821873994 U CN 201821873994U CN 209505453 U CN209505453 U CN 209505453U
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Abstract
The utility model discloses a kind of arm-type double planet wheel rows of mixing driving devices of automobile corotation, driving machine transmission output shaft, and be sequentially connected at least two-stage planet row between the driving machine and output shaft.Driving machine is driven by two-stage planet row to output shaft, when selecting the closure and release of corresponding two groups of brakes, realize two kinds of speed ratio drive modes, neutral mode and park mode, with drive mechanism, succinct, power-interruption free shifting, any gear switch, neutral gear are lost minimum and gear shift and respond the advantages such as rapid, are particularly adapted to the driving device with automatic speed changing function of electric vehicle.
Description
Technical field
The utility model belongs to automotive power, is specifically related to a kind of driving device applied to automobile.
Background technique
As vehicle is to the high dynamic property of power assembly, Gao Jie electricity and the demand continuous improvement for reducing cost, using double speed
Driving device becomes the key to solve the above problems at present.Currently on the market mostly using single motor direct driving mode and
Single motor adds the drive scheme of the multi gear speed change gear of small speed ratio difference, and wherein multi gear automatic transimission mainly uses the side AMT
Case and AT scheme, the former mainly uses electronics to execute the gear shift of shift fork gear selecting, and the latter mainly uses the hydraulic execution of Wet-type friction slice
Gear shift.For multi gear AMT gearbox, there are power interruption, neutral gear loss is big, electric braking energy regenerating is weak, is difficult to realize quickly
It is any that speed ratio difference is small, shift time is long, higher cost between gear switch, gear；For multi gear wet friction secondary AT gearbox, though
So solve the problems, such as power interruption and any gear switch, however, but exist gear shift sleeve disconnection after idling loss greatly, at
This valuableness, gear shift the problems such as energy consumption is high.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of power-interruption free shiftings, any gear switch, neutral gear
Minimum, gear shift is lost and responds the rapid arm-type double planet wheel rows of mixing driving device of automobile corotation.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted in the utility model are as follows: arm-type duplicate rows of automobile corotation
Star arranges driving device, including driving machine, driving machine transmission output shaft, is sequentially connected at least two between the driving machine and output shaft
Grade planet row.
Further, the chopped-off head planetary gear and final stage planetary gear connect chopped-off head planet wheel spindle, chopped-off head planet wheel spindle jointly
It is installed on pivoted arm.
Further, be sequentially connected center row star-wheel between the final stage sun gear and final stage planetary gear, center row star-wheel
Final stage planet wheel spindle is connected, final stage planet wheel spindle is installed on pivoted arm.
Further, the planet row include chopped-off head sun gear, chopped-off head planetary gear, gear ring, chopped-off head planet wheel spindle, final stage too
Positive wheel, center row star-wheel, final stage planetary gear, final stage planet wheel spindle and pivoted arm；The driving machine is driven chopped-off head sun gear, and chopped-off head is too
Sun wheel and the external toothing of chopped-off head planetary gear, chopped-off head planetary gear and gear ring internal messing；The final stage sun gear connect shaft and with centre
Planetary gear external toothing, center row star-wheel and the external toothing of final stage planetary gear；The chopped-off head planetary gear and final stage planetary gear share chopped-off head
Planet wheel spindle is mounted on pivoted arm, and center row star-wheel is mounted on pivoted arm by final stage planet wheel spindle；The pivoted arm and output shaft
It is fixedly connected.
Further, the motor shaft of the driving machine setting hollow structure, motor shaft are drivingly connected chopped-off head sun gear；It is described
Final stage sun gear connects shaft, and shaft passes through motor shaft.
Implement above-mentioned technical proposal, since driving machine is driven by two-stage planet row to output shaft, corresponding two groups when selection
When the closure and release of brake, two kinds of speed ratio drive modes, neutral mode and park mode are realized, there is drive mechanism letter
Clean, power-interruption free shifting, any gear switch, neutral gear loss is minimum and gear shift responds the advantages such as rapid, is particularly adapted to electricity
The driving device with automatic speed changing function of motor-car.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the arm-type double planet wheel rows of mixing driving device of automobile corotation.
In figure: 1- top gear brake disc；2- top gear brake；3- motor shaft；4- motor；5- low or first gear brake；6-
Chopped-off head sun gear；7- chopped-off head planetary gear；8- gear ring；9- low or first gear brake disc；10- shaft；11- chopped-off head planet wheel spindle；12- final stage
Sun gear；13- center row star-wheel；14- final stage planetary gear；15- pivoted arm；16- final stage planet wheel spindle；17- output shaft.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As shown in Figure 1, the arm-type double planet wheel rows of mixing driving device of automobile corotation mainly by motor 4, corotation arm double planet wheel rows of mixing and
High, low speed brake composition.Corotation arm double star row, motor 4, motor shaft 3, shaft 10, high speed gear shift brake disc 1 are sequentially coaxially pacified
Dress.
Motor shaft 3 is hollow shaft structure, and shaft 10 is mounted on the right end of motor 4 across motor shaft 3, top gear brake 2
It covers, top gear brake disc 1 is mounted between the left and right friction block of top gear brake 2 by certain interval.
Corotation arm double planet wheel rows of mixing is by chopped-off head sun gear 6, chopped-off head planetary gear 7, gear ring 8, chopped-off head planet wheel spindle 11, the final stage sun
Wheel 12, center row star-wheel 13, final stage planetary gear 14, final stage planet wheel spindle 16 and pivoted arm 15 form.Chopped-off head sun gear 6 is fixedly mounted
In the left end of motor shaft 3, chopped-off head sun gear 6 and 7 external toothing of chopped-off head planetary gear, chopped-off head planetary gear 7 and 8 internal messing of gear ring, final stage
Sun gear 12 and 13 external toothing of center row star-wheel, center row star-wheel 13 and 14 external toothing of final stage planetary gear.Chopped-off head planetary gear and end
Grade planetary gear is duplicate gear, and chopped-off head planetary gear 7 and final stage planetary gear 14 share chopped-off head planet wheel spindle 11 and be mounted on pivoted arm 15,
Center row star-wheel 13 is mounted on pivoted arm with final stage planet wheel spindle 16, and pivoted arm 15 is fixedly connected with output shaft 17.Final stage sun gear
Shaft 10 is connected between 12 and top gear brake disc 1.Gear ring is annular gear structure, gear ring 8 and the fixed company of low or first gear brake disc 9
It connects, low or first gear brake disc 9 is mounted between the left and right friction block of low or first gear brake 5 by certain interval.
When low or first gear arrester close, the release of top gear brake, low or first gear brake disc is in lockup state, top gear
Brake disc is in and state is freely rotated, and in turn, gear ring is in lockup state, final stage sun gear is in and state is freely rotated；Motor
Electric energy is obtained from vehicle power supply and is converted into passing to chopped-off head sun gear by motor shaft after power, and chopped-off head sun gear passes power
Chopped-off head planetary gear is passed, chopped-off head planetary gear imparts power to pivoted arm, and pivoted arm imparts power to output shaft, realizes that low or first gear drives
Dynamic model formula.
When the release of low or first gear brake, top gear arrester close, low or first gear brake disc is in and state, height is freely rotated
Fast shelves brake disc is in lockup state, and in turn, gear ring is in and state is freely rotated, final stage sun gear is in lockup state；Motor
Electric energy is obtained from vehicle power supply and is converted into passing to chopped-off head sun gear by motor shaft after power, and chopped-off head sun gear passes power
Chopped-off head planetary gear is passed, chopped-off head planetary gear imparts power to final stage planetary gear, and final stage planetary gear imparts power to center row
Star-wheel, center row star-wheel obtain the moment of reaction from chopped-off head sun gear, in turn, chopped-off head planetary gear, final stage planetary gear and centre
Planetary gear imparts power to pivoted arm, and pivoted arm imparts power to output shaft, realizes top gear drive mode.
When low or first gear brake and top gear brake are all closed, at this point, low or first gear brake disc and top gear braking
Disk is in lockup state, and in turn, gear ring and final stage sun gear are in lockup state, due to chopped-off head planetary gear and final stage planetary gear
For duplicate gear, therefore, pivoted arm is in lockup state, realizes parking or urgent centre brake mode.
When low or first gear brake and top gear brake keep release, at this point, low or first gear brake disc and top gear braking
Disk is in and state is freely rotated, and in turn, gear ring and final stage sun gear are in the state that is freely rotated, and output shaft and motor shaft are in dynamic
Power interrupt status realizes neutral mode.
There are four types of operating modes for the arm-type double planet wheel rows of mixing driving device tool of automobile corotation:
1, top gear drive mode.When the higher speed of vehicle demand when driving, entire car controller issue low or first gear brake 5
When release, top gear brake 2 are closed, low or first gear brake disc 9 is in and state is freely rotated, top gear brake disc 1 is in locking
State, in turn, gear ring 8 is in and state is freely rotated, final stage sun gear 12 is in lockup state；Motor 4 obtains from vehicle power supply
It obtains electric energy and is converted into passing to chopped-off head sun gear 6 by motor shaft 3 after power, chopped-off head sun gear 6 imparts power to chopped-off head row
Star-wheel 7, chopped-off head planetary gear 7 impart power to final stage planetary gear 14, and final stage planetary gear 14 imparts power to center row star-wheel
13, center row star-wheel 13 obtains the moment of reaction from chopped-off head sun gear 12, in turn, chopped-off head planetary gear 7,14 and of final stage planetary gear
Center row star-wheel 13 imparts power to pivoted arm 15, and pivoted arm 15 imparts power to output shaft 17 and drives vehicle driving.The mode
Lower motor shaft 3 meets following rotation speed relation formula with output shaft 17:
Wherein: Z1 indicates the number of teeth of chopped-off head sun gear (6)；Z2 indicates the number of teeth of gear ring (8)；Z3 indicates chopped-off head planetary gear
(7) the number of teeth；Z4 indicates the number of teeth of final stage sun gear (12)；Z5 indicates the number of teeth of final stage planetary gear (14)；N1 indicates motor shaft
(9) revolving speed；N2 indicates the revolving speed of output shaft (17).
2, low or first gear drive mode.When the big torque of vehicle demand is run at a low speed, entire car controller issues low or first gear braking
The closure of device 5, top gear brake 2 release order, and low or first gear brake disc 9 is in lockup state, top gear brake disc 1 is in freely
Rotary state, in turn, gear ring 8 is in lockup state, final stage sun gear 12 is in and state is freely rotated；Motor 4 is from vehicle power supply
Place obtains electric energy and is converted into passing to chopped-off head sun gear 6 by motor shaft 3 after power, and chopped-off head sun gear 6 imparts power to head
Grade planetary gear 7, chopped-off head planetary gear 7 impart power to pivoted arm 15, and pivoted arm 15 imparts power to output shaft 17 and drives vehicle row
It sails.Motor shaft 3 and output shaft 17 meet following rotation speed relation formula under the mode:
3, parking or urgent center brake mode.When the parking of vehicle demand or urgent center brake, entire car controller hair
When low or first gear brake 5 and top gear brake 2 are all closed out, at this point, low or first gear brake disc 9 and top gear brake disc 1 are equal
In lockup state, in turn, gear ring 8 and final stage sun gear 12 are in lockup state, due to chopped-off head planetary gear 7 and final stage planetary gear
14 be duplicate gear, and therefore, pivoted arm 15 is in lockup state, and in turn, output shaft 17 is in on-position, thus, realize parking
Or urgent centre brake mode.
4, neutral mode.When vehicle demand neutral mode, entire car controller, which issues, works as low or first gear brake 5 and top gear
The holding of brake 1 is released order, at this point, low or first gear brake disc 9 and top gear brake disc 1 are in and state, in turn, tooth are freely rotated
Circle 8 and final stage sun gear 12 are in the state that is freely rotated, and output shaft 17 and motor shaft 3 are in power interruption state, thus, it realizes
Neutral mode.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (3)
1. a kind of arm-type double planet wheel rows of mixing driving device of automobile corotation, including driving machine, driving machine transmission output shaft, feature exist
In: be sequentially connected at least two-stage planet row between the driving machine and output shaft；Chopped-off head planetary gear and final stage planetary gear connect jointly
Adaper grade planet wheel spindle, chopped-off head planet wheel spindle are installed on pivoted arm；It is sequentially connected between final stage sun gear and final stage planetary gear intermediate
Planetary gear, center row star-wheel connect final stage planet wheel spindle, and final stage planet wheel spindle is installed on pivoted arm.
2. the arm-type double planet wheel rows of mixing driving device of automobile corotation according to claim 1, which is characterized in that the planet row packet
Include chopped-off head sun gear, chopped-off head planetary gear, gear ring, chopped-off head planet wheel spindle, final stage sun gear, center row star-wheel, final stage planetary gear, end
Grade planet wheel spindle and pivoted arm；The driving machine is driven chopped-off head sun gear, chopped-off head sun gear and the external toothing of chopped-off head planetary gear, chopped-off head row
Star-wheel and gear ring internal messing；The final stage sun gear connect shaft and with center row star-wheel external toothing, center row star-wheel and final stage
Planetary gear external toothing；The chopped-off head planetary gear and final stage planetary gear share chopped-off head planet wheel spindle and are mounted on pivoted arm, middle planetary
Wheel is mounted on pivoted arm by final stage planet wheel spindle；The pivoted arm is fixedly connected with output shaft.
3. the arm-type double planet wheel rows of mixing driving device of automobile corotation according to claim 1, which is characterized in that the driving machine is set
The motor shaft of core structure is emptied, motor shaft is drivingly connected chopped-off head sun gear；The final stage sun gear connects shaft, and shaft passes through electricity
Arbor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821873994.8U CN209505453U (en) | 2018-11-14 | 2018-11-14 | The arm-type double planet wheel rows of mixing driving device of automobile corotation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821873994.8U CN209505453U (en) | 2018-11-14 | 2018-11-14 | The arm-type double planet wheel rows of mixing driving device of automobile corotation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209505453U true CN209505453U (en) | 2019-10-18 |
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ID=68189482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821873994.8U Active CN209505453U (en) | 2018-11-14 | 2018-11-14 | The arm-type double planet wheel rows of mixing driving device of automobile corotation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209505453U (en) |
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2018
- 2018-11-14 CN CN201821873994.8U patent/CN209505453U/en active Active
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