CN209320706U - Pure electric vehicle internal and external double-circular planetary system power assembly - Google Patents
Pure electric vehicle internal and external double-circular planetary system power assembly Download PDFInfo
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- CN209320706U CN209320706U CN201822052155.6U CN201822052155U CN209320706U CN 209320706 U CN209320706 U CN 209320706U CN 201822052155 U CN201822052155 U CN 201822052155U CN 209320706 U CN209320706 U CN 209320706U
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Abstract
The utility model relates to vehicle assembly fields, disclose a kind of pure electric vehicle internal and external double-circular planetary system power assembly, including motor, input shaft, output shaft, input gear, output gear and internal and external double-circular planetary mechanism；Motor is connect by input shaft with input gear, internal and external double-circular planetary mechanism is connect by the first sun wheel shaft with pincers disk selector, internal and external double-circular planetary mechanism is connect by the second gear ring with two-way key-operated brake, combination pivoted arm in internal and external double-circular planetary mechanism is fixedly connected with output shaft, solves the problems such as fixed speed ratio transmission in existing pure electric automobile power train, low speed climbing capacity is weak, electric system load impact is big, motor limit speed is high, running efficiency of system is low, equivalent efficient operation area is narrow, volume is big and maintenance cost is high.
Description
Technical field
The utility model relates to vehicle assembly field, in particular to a kind of pure electric vehicle internal and external double-circular planetary system power assembly.
Background technique
With the continuous development of society and Vehicle Engineering technology, car ownership is more and more big, causes to environment and the energy
Very big pressure.To solve the above-mentioned problems, urgent need Vehicle Engineering actuation techniques carry out biggish innovation.Existing vehicle
Engineering actuation techniques mainly include two classes, first is that Technology of Hybrid Electric Vehicle, second is that pure electric vehicle technology.Above two technology relates generally to
The innovation of vehicle drive system, first is that energy storage equipment is introduced, second is that introducing electric driver, such as motor.It is driven in current pure electric vehicle
Dynamic technically most of vehicles drive vehicle driving using motor and fixed speed ratio gearbox, can satisfy to a certain extent
Low-speed electronic automotive needs in some regions, however, being difficult to take into account low speed for domain electric car full-time for high speed
The transmission demand of big torque and high speed, high efficiency high reliability, just there is an urgent need to the fluid drives using two speed or more for this
Device carrys out stand-by motor driving vehicle, gives full play to electric drive power and high efficient area drive characteristic in full velocity shooting.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of pure electric vehicle internal and external double-circular planetary system power assembly, solutions
Fixed speed ratio is driven in existing pure electric automobile power train of having determined, low speed climbing capacity is weak, electric system load impact is big, motor pole
Limit the problems such as revolving speed is high, running efficiency of system is low, equivalent efficient operation area is narrow, volume is big and maintenance cost is high.
In order to solve the above-mentioned technical problem, a kind of the technical solution of the utility model are as follows: pure electric vehicle internal and external double-circular planetary system
Power assembly, including motor, input shaft and output shaft further include input gear, output gear and match with the input gear
The internal and external double-circular planetary mechanism of conjunction；The motor is connect by input shaft with the input gear, the internal and external double-circular planet machine
Combination pivoted arm in structure is fixedly connected with the output shaft.
Further, the internal and external double-circular planetary mechanism includes the first sun gear, the first planetary gear, the first gear ring, second
Planetary gear, the second gear ring and combination pivoted arm；Ring gear and outer is machined on the inner periphery and excircle of first gear ring respectively
Gear ring, first sun gear and the first planetary gear external toothing, the internal tooth of first planetary gear and first gear ring
Enclose internal messing, the outer gear ring of first gear ring and the second planetary gear external toothing, second planetary gear and described second
Gear ring internal messing, first planetary gear and second planetary gear are mounted on the combination pivoted arm.
Further, the output gear is fixedly mounted or directly processing is in the outer circle of first gear ring, and described group
Pivoted arm is closed to be fixedly connected with the output shaft.
Further, the internal and external double-circular planetary mechanism is connect by the first sun wheel shaft with pincers disk selector, described interior
Outer bicyclic planetary mechanism is connect by the second gear ring with two-way key-operated brake.
Further, the pincers disk selector includes the first sun wheel shaft, shifting disc and selector；First sun gear
Be fixedly connected by the first sun wheel shaft with the shifting disc, the shifting disc be mounted on the selector left and right module it
Between.
Further, the two-way key-operated brake includes roller cage, two-way wedge-shaped roller and outer ring, the outer ring
Inner ring surface be made of multiple wedging inclined-planes, the excircle of the outer ring is fixedly mounted on cabinet；The two-way wedge-shaped roller
Be mounted on the roller cage, the roller cage be mounted on second gear ring excircle and the outer ring it is interior
In the annular space of anchor ring composition, swing rod is installed on the roller cage, roller cage can be manipulated by swing rod and turned
It is dynamic.
Further, the internal and external double-circular planetary mechanism is co-axially mounted with the output gear.
Compared with prior art, due to being provided with internal and external double-circular planetary mechanism, by the position for selecting two-way key-operated brake
Set and clamp disk selector closure or release, it can be achieved that low-speed forward, low speed reverse gear, top gear, neutral gear and parking etc. it is more
Kind drive mode.The utility model solve in existing pure electric automobile power train fixed speed ratio transmission, low speed climbing capacity it is weak,
Electric system load impact is big, motor limit speed is high, running efficiency of system is low, equivalent efficient operation area is narrow, volume is big and maintenance
The problems such as at high cost, have compact-sized, assembly system bulk is small and transmission case body is ultra-thin, and axial dimension is small, and transmission efficiency is high,
The features such as power-interruption free shift, shift response is rapid, smooth, reliable, easy to maintain, available linearization control, at low cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pure electric vehicle internal and external double-circular planetary system power assembly.
In figure: 1- motor, 2- input shaft, 3- input gear, 4- output gear, the first gear ring of 5-, the first planetary gear of 6-, 7-
First sun gear, the first sun wheel shaft of 8-, 9- shifting disc, 10- selector, the second planetary gear of 11-, 12- roller cage, 13-
Two-way wedge shape roller, 14- outer ring, the second gear ring of 15-, 16- combine pivoted arm, 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, pure electric vehicle internal and external double-circular planetary system power assembly includes motor 1, input shaft 2, output shaft 17, input
Gear 3, output gear 4, the internal and external double-circular planetary mechanism cooperated with input gear 3, two-way key-operated brake and pincers disk selector；
Motor 1 is connect by input shaft 2 with input gear 3, and internal and external double-circular planetary mechanism passes through the first sun wheel shaft 8 and pincers disk selector
Connection, internal and external double-circular planetary mechanism is connect by the second gear ring 15 with two-way key-operated brake, in internal and external double-circular planetary mechanism
Combination pivoted arm 16 is fixedly connected with output shaft 17.
Internal and external double-circular planetary mechanism includes the first sun gear 7, the first planetary gear 6, the first gear ring 5, the second planetary gear 11, the
Two gear rings 15 and combination pivoted arm 16；Wherein simultaneous processing has ring gear and outer gear ring on the internal and external circumference of the first gear ring 5, and first too
Sun wheel 7 and 6 external toothing of the first planetary gear, the ring gear internal messing of the first planetary gear 6 and the first gear ring 5, the external tooth of the first gear ring 5
Circle and 11 external toothing of the second planetary gear, 15 internal messing of the second planetary gear 11 and the second gear ring, the first planetary gear 6 and the second planetary gear
11 are mounted on combination pivoted arm 16.The excircle of above-mentioned second gear ring 15 is high rigidity smooth torus.
Clamping disk selector includes the first sun wheel shaft 8, shifting disc 9 and selector 10；First sun gear 7 passes through first sun
Wheel shaft 8 is fixedly connected with shifting disc 9, and shifting disc 9 is mounted between the left and right module of selector 10 by certain interval.
Two-way key-operated brake includes roller cage 12, two-way wedge-shaped roller 13 and outer ring 14, the inner ring surface of outer ring 14
It is made of multiple wedging inclined-planes, the excircle of outer ring 14 is fixedly mounted on cabinet；Two-way wedge shape roller 13 is mounted on roller guarantor
It holds on frame 12, roller cage 12 is mounted on the annular space of the excircle of the second gear ring 15 and the inner ring surface composition of outer ring 14
It is interior, swing rod is installed on roller cage 12, roller cage 12 can be manipulated by swing rod and rotated.
Motor 1 is connect by input shaft with input gear 3, input gear 3 and 4 external toothing of output gear, and output gear 4 is solid
In 5 outer circle of the first gear ring, combination pivoted arm 16 is fixedly connected with output shaft 17 for Dingan County's dress or directly processing.
When forward gear of the roller cage 12 when swing rod effect lower swing arrives forward gear position, in two-way wedge-shaped roller 13
It manipulates wedge-shaped roller, the inner ring surface of outer ring 14 and 15 excircle three of the second gear ring and forms a lockable mechanism, the second gear ring 15
Rotating counterclockwise will be locked up, and the second gear ring 15 can rotate clockwise；When roller cage 12 is arrived in swing rod effect lower swing
Reverse gear position when, fall to manipulate 15 excircle of inner ring surface and the second gear ring of wedge-shaped roller, outer ring 14 in two-way wedge shape roller 13
Three forms a lockable mechanism, and the second gear ring 15 is rotated clockwise and will be locked up, and the second gear ring 15 can rotate counterclockwise；When
When swing rod acts on lower swing to neutral gear position, the second gear ring 15 can be freely rotated roller cage 12 completely.
When vehicle demand low-speed forward is kept off when driving, entire car controller issues instruction, and roller cage 12 is acted in swing rod
Lower swing is to forward gear position, at this point, selector 10 is in release conditions, the second gear ring 15 has up time under the driving of motor 1
Needle rotates trend, and in turn, the second gear ring 15 is locked up, and power assembly enters low-speed forward gear drive mode；When vehicle demand is low
Speed is reversed gear when driving, and entire car controller issues instruction, and roller cage 12 acts on lower swing to position of reversing gear in swing rod, at this point,
Selector 10 is in release conditions, and the second gear ring 15 has under the driving of motor 1 rotates counterclockwise trend, in turn, the second gear ring
15 are locked up, and power assembly enters low speed and reverses gear drive mode.
When vehicle demand is switched to top gear when driving from low-speed forward gear, at this point, before roller cage 12 is in low speed
It is set into gear, selector 10 is closed, and shifting disc 9 is gradually braked by the left and right friction block of selector 10 to locking, in turn, the second tooth
Circle 15 tapers off the state of rotating counterclockwise that is transitioned into from the state of rotating clockwise, and low-speed forward gear automatically terminates, into high speed
Keep off drive mode.
Pure electric vehicle internal and external double-circular planetary system power assembly can be realized following three kinds of drive modes:
1, it advances at utmost speed and keeps off drive mode.When speed high in vehicle demand when driving, entire car controller to selector 10 send out
It instructing out, selector 10 receives to clamp braking shifting disc 9 by the left and right friction block of selector 10 after instructing, meanwhile, roller is kept
Frame 12 is in low-speed forward gear and sets, and in turn, the first sun gear 7 being fixedly connected with shifting disc 9 is in lockup state, the second tooth
Circle 15 has the trend that rotates counterclockwise, and two-way wedge shape roller 13 is in release shape in the direction of rotation counterclockwise of the second gear ring 15
State, i.e. the second gear ring 15 are in is freely rotated state counterclockwise；Power is passed to input gear 3 by input shaft 2 by motor 1, defeated
Enter gear 3 and output gear 4 is imparted power to by external toothing, output gear 4 imparts power to the first gear ring 5, the first tooth
Power is passed to combination pivoted arm 16 by the first planetary gear 6 by circle 5, and combination pivoted arm 16 imparts power to output shaft 17, realizes
Top gear drive mode.
Input shaft 2 and output shaft 17 meet following rotation speed relation formula under the mode:
Wherein: the number of teeth of Z1 expression input gear 3；The number of teeth of Z2 expression output gear 4；Z3 indicates the first sun gear 7
The number of teeth；Z4 indicates the ring gear number of teeth of the first gear ring 5；Z5 indicates the outer gear ring number of teeth of the first gear ring 5；Z6 indicates the second gear ring 15
The number of teeth；The revolving speed of n1 expression input shaft 2；The revolving speed of n2 expression output shaft 17.(full text represents each tooth by above-mentioned form of presentation
Take turns the parameter of component and rotating member)
2, low-speed forward/reverse gear drive mode.When vehicle demand low-speed forward is kept off when driving, entire car controller sending refers to
It enables, roller cage 12 acts on lower swing to forward gear position, at this point, selector 10 is in release conditions, the second tooth in swing rod
Circle 15 has under the driving of motor 1 rotates clockwise trend, and in turn, the second gear ring 15 is locked up, before power assembly enters low speed
Into gear drive mode；When vehicle demand low speed reverses gear when driving, entire car controller issues instruction, and roller cage 12 is made in swing rod
With lower swing to position of reversing gear, at this point, selector 10 is in release conditions, the second gear ring 15 has the inverse time under the driving of motor 1
Needle rotates trend, and in turn, the second gear ring 15 is locked up, and power assembly enters low speed and reverses gear drive mode.
Input shaft 2 and output shaft 17 meet following rotation speed relation formula under the mode:
Power is passed to input gear 3 by input shaft 2 by motor 1, and input gear 3 is imparted power to defeated by external toothing
Gear 4 out, output gear 4 impart power to the first gear ring 5, and the first gear ring 5 passes to power by the second planetary gear 11
Pivoted arm 16 is combined, combination pivoted arm 16 imparts power to output shaft 17, realizes bottom gear drive 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 (7)
1. a kind of pure electric vehicle internal and external double-circular planetary system power assembly, including motor, input shaft and output shaft, it is characterised in that: also
Including input gear, output gear and the internal and external double-circular planetary mechanism cooperated with the input gear；
The motor is connect by input shaft with the input gear, combination pivoted arm and institute in the internal and external double-circular planetary mechanism
Output shaft is stated to be fixedly connected.
2. pure electric vehicle internal and external double-circular planetary system power assembly according to claim 1, it is characterised in that: the internal and external double-circular
Planetary mechanism includes the first sun gear, the first planetary gear, the first gear ring, the second planetary gear, the second gear ring and combination pivoted arm；It is described
Ring gear and outer gear ring, first sun gear and the first row are machined on the inner periphery and excircle of first gear ring respectively
Star-wheel external toothing, the ring gear internal messing of first planetary gear and first gear ring, the outer gear ring of first gear ring with
The second planetary gear external toothing, second planetary gear and the second gear ring internal messing, first planetary gear and described
Second planetary gear is mounted on the combination pivoted arm.
3. pure electric vehicle internal and external double-circular planetary system power assembly according to claim 2, it is characterised in that: the output gear
It is fixedly mounted or directly in the outer circle of first gear ring, the combination pivoted arm is fixedly connected with the output shaft for processing.
4. pure electric vehicle internal and external double-circular planetary system power assembly according to claim 2, it is characterised in that: the internal and external double-circular
Planetary mechanism by the first sun wheel shaft with pincers disk selector connect, the internal and external double-circular planetary mechanism by the second gear ring with pair
It is connected to key-operated brake.
5. pure electric vehicle internal and external double-circular planetary system power assembly according to claim 4, it is characterised in that: the pincers disk shift
Device includes the first sun wheel shaft, shifting disc and selector；First sun gear passes through the first sun wheel shaft and the shifting disc
It is fixedly connected, the shifting disc is mounted between the left and right module of the selector.
6. pure electric vehicle internal and external double-circular planetary system power assembly according to claim 4, it is characterised in that: the two-way wedge shape
Brake includes that roller cage, two-way wedge-shaped roller and outer ring, the inner ring surface of the outer ring are made of multiple wedging inclined-planes, institute
The excircle for stating outer ring is fixedly mounted on cabinet；The two-way wedge-shaped roller is mounted on the roller cage, the rolling
Sub- retainer is mounted in the annular space of the excircle of second gear ring and the inner ring surface composition of the outer ring, the roller
Swing rod is installed on retainer, roller cage rotation can be manipulated by swing rod.
7. pure electric vehicle internal and external double-circular planetary system power assembly according to claim 1, it is characterised in that: the internal and external double-circular
Planetary mechanism is co-axially mounted with the output gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822052155.6U CN209320706U (en) | 2018-12-07 | 2018-12-07 | Pure electric vehicle internal and external double-circular planetary system power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822052155.6U CN209320706U (en) | 2018-12-07 | 2018-12-07 | Pure electric vehicle internal and external double-circular planetary system power assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209320706U true CN209320706U (en) | 2019-08-30 |
Family
ID=67713200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822052155.6U Active CN209320706U (en) | 2018-12-07 | 2018-12-07 | Pure electric vehicle internal and external double-circular planetary system power assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209320706U (en) |
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2018
- 2018-12-07 CN CN201822052155.6U patent/CN209320706U/en active Active
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