CN110005768A - Electronic double sun gear locking type power assemblies - Google Patents
Electronic double sun gear locking type power assemblies Download PDFInfo
- Publication number
- CN110005768A CN110005768A CN201910262470.8A CN201910262470A CN110005768A CN 110005768 A CN110005768 A CN 110005768A CN 201910262470 A CN201910262470 A CN 201910262470A CN 110005768 A CN110005768 A CN 110005768A
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- China
- Prior art keywords
- gear
- sun gear
- planetary gear
- planetary
- type power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000000712 assembly Effects 0.000 title claims abstract description 11
- 238000000429 assembly Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000007935 neutral effect Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/46—Gearings having only two central gears, connected by orbital gears
- F16H3/48—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
- F16H3/52—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears
- F16H3/54—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears one of the central gears being internally toothed and the other externally toothed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/46—Gearings having only two central gears, connected by orbital gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses the electronic double sun gear locking type power assemblies of one kind of electric vehicle, motor driven input gear, and the first planet row being made of the first sun gear, center row star-wheel and the first planetary gear, and the second planet row being made of the second sun gear and the second planetary gear, two-stage planet row share planetary gear.When by selecting two groups of brakes to be closed and/or discharge sun gear, realize top gear, low or first gear, the multiple drive modes such as parking and neutral gear, it is succinct with transmission mechanism, vibrating noise is small, power-interruption free shift, it is lost small, high reliablity and it is at low cost the features such as, its locking of locking gear ring shift mode that compares shift brake force sharp fall, to effectively reduce shift module volume and cost, also drastically reduce key components and parts quantity, solve the problems, such as that manufacturing cost is difficult to decrease, suitable for pure electric vehicle and plug-in hybrid vehicle.
Description
Technical field
The invention belongs to automotive powers, are specifically related to a kind of power assembly for being adapted to electric vehicle.
Background technique
With the continuous improvement that user requires Dynamic Performance of Electric Vehicle, the fast power assembly of two to accord with the demands of the market is produced
Product are at an effective way to solve this problem.However, existing two fast power assemblies are substantially all and are changed with parallel axes shift fork
It keeps off based on structure, the existing many problems of this kind of structure itself hinder it in the use in electric car field.Bearing capacity is strong,
The characteristics of volume compact, transmission efficiency high planetary transmission structure itself determine its in the advantage in electric car field, however,
Planetary transmission structure manufacturing cost and complexity are all higher than parallel axes shifting-fork gear-shifting structure, how to reduce in planetary transmission structure and close
Key amount of parts especially reduces Precision Machining number of parts, becomes the research of dry type multi-speed planetary pure electric power assembly
One of core content.
Helical teeth planetary transmission structure is since manufacture difficulty is big, the country can fabricate the enterprise of helical teeth ring gear very
Less, manufacturing cost is high, however, straight-tooth planetary transmission structure noise and vibration limit answering in high speed power drive system
With.The advantages of how using straight-tooth planetary transmission structure, is able to satisfy high speed input requirements again, becomes the pure electricity of dry type multi-speed planetary
Another important content of dynamic power assembly research.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of transmission mechanisms succinct, low noise, gear shift are smoothly electronic double
Sun gear locking type power assembly.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: a kind of electronic double sun gear locking types are dynamic
Power assembly, including motor or engine driving input gear, the input gear engaged transmission gear ring, gear ring engaged transmission first
Planetary gear, the first planetary gear engaged transmission center row star-wheel, center row star-wheel the first sun gear of engaged transmission；First planet
Wheel is coaxially driven the second planetary gear, the second planetary gear the second sun gear of engaged transmission；First planetary gear and middle planetary
Wheel is also coaxially mounted on pivoted arm, and pivoted arm is fixedly connected with output shaft.
Further, brake axle is fixedly mounted in first sun gear.
Further, brake axle is fixedly mounted in second sun gear.
Further, second sun gear and its brake axle be hollow structure and with the first sun gear and its brake axle
Axial line be overlapped.
Further, first planetary gear and the second planetary gear are integrally formed the double-planetary gear of formula.
Implementation above-mentioned technical proposal, the first planet row being made of the first sun gear, center row star-wheel and the first planetary gear,
And the second planet row being made of the second sun gear and the second planetary gear, when by selecting two groups of brakes to carry out sun gear
When closure and/or release, the multiple drive modes such as top gear, low or first gear, parking and neutral gear are realized, there is transmission mechanism letter
It is clean, vibrating noise is small, power-interruption free shift, be lost small, high reliablity and it is at low cost the features such as；It is this to use sun gear locking
Shift mode, its locking of locking gear ring shift mode that compares shift brake force sharp fall, to effectively reduce shift
Module volume and cost；Since two-stage planet row shares planetary gear, key components and parts quantity is drastically reduced, solves manufacture
The problem of cost is difficult to decrease is suitable for pure electric vehicle and plug-in hybrid vehicle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electronic double sun gear locking type power assemblies.
In figure: 1- motor, 2- motor shaft, 3- input gear, 4- planet axis, the first planetary gear of 5-, 6- center row star-wheel, 7-
First sun gear, 8- pivoted arm, 9- gear ring, 10- top gear brake axle, the second sun gear of 11-, the second planetary gear of 12-, 13- low speed
Shelves brake axle, 14- low or first gear brake, 15- low or first gear brake disc, 16- top gear brake, 17- top gear brake disc, 18-
Output shaft.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below
The each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
As shown in Figure 1, electronic double sun gear locking type power assemblies by motor 1, the first planet row, the second planet row and
Two groups of brake compositions, the first planet row and the second planet row are coaxially arranged, and motor and the first planet row and the second planet row are put down
Row axis arrangement.
Motor 1 is fixedly connected by motor shaft 2 with input gear 3, the outer gear ring external toothing of input gear 3 and gear ring 9.It is defeated
Enter gear and large scale helical teeth outer gear ring is driven using small size helical teeth input gear, will go into turning for straight-tooth planetary transmission structure
Speed is greatly lowered, and solves noise and vibration problem of the straight-tooth planetary transmission structure in high-speed drive.
First planet row is made of the first sun gear 7, the first planetary gear 5, center row star-wheel 6, gear ring 9 and pivoted arm 8.First
Sun gear 7 and 6 external toothing of center row star-wheel, 5 external toothing of center row star-wheel 6 and the first planetary gear, the first sun gear 7 installation high speed
Shelves brake axle 10, the ring gear internal messing of the first planetary gear 5 and gear ring 9, simultaneous processing has ring gear on the internal and external circumference of gear ring
And outer gear ring, the first planetary gear 5 and center row star-wheel 6 are mounted on pivoted arm 8, pivoted arm 8 is fixedly connected with output shaft 18.
Second planet row is made of the second sun gear 11, the second planetary gear 12.Second sun gear 11 and the second planetary gear 12
External toothing, the second sun gear 11 are hollow wheel construction.Second planetary gear 12 and the first planetary gear 5 are double-planetary gear, and the two is total
It is mounted on pivoted arm 8 with planet axis 4.
Low or first gear brake axle is hollow shaft structure, and the second sun gear 11 passes through low or first gear brake axle 13 and low or first gear brake disc
15 are fixedly connected, and low or first gear brake disc 15 is mounted between the left and right friction block of low or first gear brake 14 by certain interval.At a high speed
Shelves brake axle 10 passes through the second sun gear 11 and low or first gear brake axle 13 so that the first sun gear 7 and top gear brake disc 17 is fixed
Connection, top gear brake disc 17 are mounted between the left and right friction block of top gear brake 16 by certain interval.
When top gear brake locking top gear brake disc and low or first gear brake release low or first gear brake disc, i.e., first
Sun gear is in lockup state, the second sun gear is in and state is freely rotated, and motor imparts power to input by motor shaft
Gear, input gear impart power to the first planetary gear by gear ring, and the first planetary gear imparts power to center row star-wheel,
Since the first sun gear is in lockup state, the power from motor is passed to through the first planetary gear and center row star-wheel
Pivoted arm, pivoted arm impart power to output shaft, realize top gear drive mode.
When top gear brake discharges top gear brake disc and low or first gear brake locking low or first gear brake disc, i.e., first
Sun gear is in and state is freely rotated, the second sun gear is in lockup state, and motor imparts power to input by motor shaft
Gear, input gear will impart power to the first planetary gear by gear ring, and the first planetary gear imparts power to the second planet
Wheel, since the second sun gear is in lockup state, the first planetary gear and the second planetary gear transmit the power from motor
To pivoted arm, pivoted arm imparts power to output shaft, realizes low or first gear drive mode.
When top gear brake locking top gear brake disc and low or first gear brake locking low or first gear brake disc, i.e., first
Sun gear is in lockup state, the second sun gear is in lockup state, and then pivoted arm and output shaft are in lockup state, and realization is stayed
Vehicle mode.
When top gear brake discharges top gear brake disc and low or first gear brake release low or first gear brake disc, i.e., first
Sun gear is in the state that is freely rotated, the second sun gear is in and state is freely rotated, and in turn, motor shaft and output shaft are in power
Interrupt status realizes neutral mode.
This electronic double sun gear locking type power assembly is capable of providing following drive mode:
1, top gear drive mode.When 16 locking top gear brake disc 17 of top gear brake, low or first gear brake 14 are released
When putting low or first gear brake disc 15, i.e. the first sun gear 7 is in lockup state, and the second sun gear 11 is in and state is freely rotated, electricity
Power is passed to input gear 3 through motor shaft 2 by machine 1, and input gear 3 imparts power to gear ring 9, and gear ring 9 is by power through
One planetary gear 5 and center row star-wheel 6 pass to pivoted arm 8, and pivoted arm 8 imparts power to output shaft 18, realize that top gear drives mould
Formula.Top gear speed ratio are as follows:
Wherein: the number of teeth of Z0 expression input gear 3；Z1 indicates the number of teeth of the first sun gear 7；The internal tooth of Z2 expression gear ring 8
Enclose the number of teeth；The outer gear ring number of teeth of Z3 expression gear ring 8；Z4 indicates the number of teeth of the second sun gear 11；Z5 indicates the tooth of the first planetary gear 5
Number；Z6 indicates the number of teeth of the second planetary gear 12；The revolving speed of n1 expression motor shaft 2；The revolving speed of n2 expression output shaft 18；"-" indicates
2 direction of rotation of motor shaft is opposite with 18 direction of rotation of output shaft.
2, low or first gear drive mode.When top gear brake 16 discharges top gear brake disc 17, low or first gear brake 14 is locked
Only when low or first gear brake disc 15, i.e. the first sun gear 7 is in and state is freely rotated, and the second sun gear 11 is in lockup state, electricity
Power is passed to input gear 3 through motor shaft 2 by machine 1, and input gear 3 imparts power to gear ring 9, and gear ring 9 is by power through
One planetary gear 5 and the second planetary gear 12 pass to pivoted arm 8, and pivoted arm 8 imparts power to output shaft 18, realize that low or first gear drives mould
Formula.Low or first gear speed ratio are as follows:
3, parking and neutral mode
When 14 locking low or first gear brake disc 15 of 16 locking top gear brake disc 17 of top gear brake and low or first gear brake
When, i.e. the first sun gear 7 and the second sun gear 11 are in lockup state simultaneously, and pivoted arm 8 and output shaft 18 are in lockup state, real
Existing park mode.When top gear brake 16 discharges top gear brake disc 17 and the release low or first gear brake disc of low or first gear brake 14
When 15, i.e. the first sun gear 7 and the second sun gear 11 are in dynamic in the state that is freely rotated, motor shaft 2 and output shaft 18 simultaneously
Power interrupt status realizes neutral mode.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (5)
1. a kind of electronic double sun gear locking type power assemblies, including motor or engine driving input gear, it is characterised in that:
The input gear engaged transmission gear ring, gear ring the first planetary gear of engaged transmission, the first planetary gear engaged transmission center row star-wheel,
Center row star-wheel the first sun gear of engaged transmission；
First planetary gear is coaxially driven the second planetary gear, the second planetary gear the second sun gear of engaged transmission；
First planetary gear and center row star-wheel are also coaxially mounted on pivoted arm, and pivoted arm is fixedly connected with output shaft.
2. electronic double sun gear locking type power assemblies according to claim 1, which is characterized in that first sun gear
Brake axle is fixedly mounted.
3. electronic double sun gear locking type power assemblies according to claim 1, which is characterized in that second sun gear
Brake axle is fixedly mounted.
4. electronic double sun gear locking type power assemblies according to claim 3, which is characterized in that second sun gear
And its brake axle is hollow structure and is overlapped with the axial line of the first sun gear and its brake axle.
5. electronic double sun gear locking type power assemblies according to claim 1, which is characterized in that first planetary gear
The double-planetary gear of formula is integrally formed with the second planetary gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910262470.8A CN110005768A (en) | 2019-04-02 | 2019-04-02 | Electronic double sun gear locking type power assemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910262470.8A CN110005768A (en) | 2019-04-02 | 2019-04-02 | Electronic double sun gear locking type power assemblies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110005768A true CN110005768A (en) | 2019-07-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910262470.8A Pending CN110005768A (en) | 2019-04-02 | 2019-04-02 | Electronic double sun gear locking type power assemblies |
Country Status (1)
| Country | Link |
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| CN (1) | CN110005768A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043197A (en) * | 2020-01-08 | 2020-04-21 | 北京仙进机器人有限公司 | Transmission device capable of separating locking |
| EP4198344A1 (en) * | 2021-12-20 | 2023-06-21 | Valeo eAutomotive Germany GmbH | Electric gear drive with improved two-speed gearbox and vehicle with such a gear drive |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013220835A1 (en) * | 2013-10-15 | 2015-04-16 | Schaeffler Technologies Gmbh & Co. Kg | Planetary gear, in particular axle for a motor vehicle |
| CN109159659A (en) * | 2018-10-10 | 2019-01-08 | 广州市新域动力技术有限公司 | Pure electric vehicle double speed dynamical system and its driving method |
| CN109435685A (en) * | 2018-11-30 | 2019-03-08 | 广州市新域动力技术有限公司 | The double pivoted arm planetary system dynamical systems of motor |
| CN109466306A (en) * | 2018-12-12 | 2019-03-15 | 广州市新域动力技术有限公司 | Bi-motor hybrid engine extended-range dynamical system and its driving method |
| CN109466319A (en) * | 2018-12-13 | 2019-03-15 | 广州市新域动力技术有限公司 | Automobile large speed ratio double speed power assembly |
| CN209839075U (en) * | 2019-04-02 | 2019-12-24 | 广州市新域动力技术有限公司 | Electric double-sun-wheel locking type power assembly |
-
2019
- 2019-04-02 CN CN201910262470.8A patent/CN110005768A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013220835A1 (en) * | 2013-10-15 | 2015-04-16 | Schaeffler Technologies Gmbh & Co. Kg | Planetary gear, in particular axle for a motor vehicle |
| CN109159659A (en) * | 2018-10-10 | 2019-01-08 | 广州市新域动力技术有限公司 | Pure electric vehicle double speed dynamical system and its driving method |
| CN109435685A (en) * | 2018-11-30 | 2019-03-08 | 广州市新域动力技术有限公司 | The double pivoted arm planetary system dynamical systems of motor |
| CN109466306A (en) * | 2018-12-12 | 2019-03-15 | 广州市新域动力技术有限公司 | Bi-motor hybrid engine extended-range dynamical system and its driving method |
| CN109466319A (en) * | 2018-12-13 | 2019-03-15 | 广州市新域动力技术有限公司 | Automobile large speed ratio double speed power assembly |
| CN209839075U (en) * | 2019-04-02 | 2019-12-24 | 广州市新域动力技术有限公司 | Electric double-sun-wheel locking type power assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043197A (en) * | 2020-01-08 | 2020-04-21 | 北京仙进机器人有限公司 | Transmission device capable of separating locking |
| EP4198344A1 (en) * | 2021-12-20 | 2023-06-21 | Valeo eAutomotive Germany GmbH | Electric gear drive with improved two-speed gearbox and vehicle with such a gear drive |
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