CN106122392A - Four-speed gear shift device integrated system - Google Patents
Four-speed gear shift device integrated system Download PDFInfo
- Publication number
- CN106122392A CN106122392A CN201610740433.XA CN201610740433A CN106122392A CN 106122392 A CN106122392 A CN 106122392A CN 201610740433 A CN201610740433 A CN 201610740433A CN 106122392 A CN106122392 A CN 106122392A
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- Prior art keywords
- gear
- integrated system
- shift device
- device integrated
- speed
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- 230000005540 biological transmission Effects 0.000 claims abstract description 59
- 230000009194 climbing Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 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
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- 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
- F16H2003/445—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion without permanent connection between the input and the set of 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
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0043—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising four forward speeds
-
- 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
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Structure Of Transmissions (AREA)
Abstract
Present invention is disclosed a kind of four-speed gear shift device integrated system, including motor, hydraulic control variable block group, transmission input group, first planet gear train, second planetary gearsets, first power transmission shaft, and second driving shaft, described motor is coaxially connected on described first power transmission shaft with described hydraulic control variable block group, described transmission input group is coaxially connected on described second driving shaft with first planet gear train and the second planetary gearsets, and described first planet gear train is coaxially connected with described second planetary gearsets, described transmission input group is connected with the engagement of described hydraulic control variable block group, it is provided with the first brake outside described first planet gear train.Four-speed gear shift device integrated system of the present invention, has high degree of flexibility, it is possible to realizes running at high speed and climbing, adapts to various complex work situation.
Description
Technical field
The present invention relates to technical field of new energy, especially relate to a kind of four-speed gear shift device integrated system.
Background technology
Along with the development of science and technology, the energy restricts, the problem of environmental pollution is increasingly severe, and greatly developing new forms of energy can have
The solution energy of effect and environmental problem, it is achieved sustainable development.Along with growth in the living standard, increasing people has vapour
Car, along with increasing of automobile quantity, easily brings the problems such as crowded, the vehicle accident of road, it is often more important that the vapour of substantial amounts
Car quickly consumes the reserves of oil equal energy source, significantly exacerbates the pollution of environment simultaneously, therefore, in development new forms of energy, sends out
Exhibition new-energy automobile is particularly important.
Increasingly mature along with new energy technology, drive system also has been achieved for technical breakthrough.New forms of energy vapour at present
Car includes pure electric automobile, hybrid vehicle etc..Pure electric automobile is that the single accumulator of a kind of employing is as stored energy power source
Automobile, it utilizes accumulator as stored energy power source, provides electric energy by battery to motor, drive electric machine rotation, and motor will
Power exports to variator, and final output, to wheel, drives running car.At present, pure electric automobile medium power drive system is big
The speed change systems using wet clutch and double planet wheel rows of mixing to combine more, but still there are disadvantages that, as at electric-only mode
Under, it is impossible to realize running at high speed, it is impossible to meet use demand, it is often more important that, in some pure electric automobiles, automobile was climbed
Cheng Zhong, is short of power, it is impossible to realize running at high speed.
It addition, in some drive systems, system capacity utilization rate is low, add some living costs.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, it is provided that a kind of four-speed gear shift device integrated system, it is achieved that
Two shift transmissions and two shift transmissions integrated, has high degree of flexibility, mode of operation variation, it is possible to adapt to complicated work
Situation.
For achieving the above object, the present invention proposes following technical scheme: a kind of four-speed gear shift device integrated system, including electricity
Machine, hydraulic control variable block group, transmission input group, first planet gear train, the second planetary gearsets, the first power transmission shaft, Yi Ji
Two power transmission shafts, described motor is coaxially connected on described first power transmission shaft with described hydraulic control variable block group, and described transmission inputs
Group is coaxially connected on described second driving shaft with first planet gear train and the second planetary gearsets, and described first planet tooth
Wheels are coaxially connected with described second planetary gearsets, and described transmission input group is connected with the engagement of described hydraulic control variable block group,
It is provided with the first brake outside described first planet gear train.
Preferably, described hydraulic control variable block group includes the first gear and the second gear, described first gear, the second gear
Being sheathed on described first power transmission shaft, described first gear and the centre of described second gear are provided with double wet clutch, described
Double wet clutches and motor coaxle are connected on described first power transmission shaft.
Preferably, described transmission input group includes that the 3rd gear and the 4th gear, described 3rd gear and the 4th gear are same
Axle connects, and described 3rd gear is connected with described first gear engagement, and described 4th gear engages with described second gear even
Connect.
Preferably, described first planet gear train includes the first row carrier, is arranged at the first planet in the first row carrier
Wheel, and the first gear ring of being meshed with the first row star-wheel and the first sun gear, be provided with control first outside described first gear ring
First brake of gear ring kinestate.
Preferably, the second planet that described second planetary gearsets includes the second planet carrier, is arranged on the second planet carrier
Wheel, and the second gear ring of being meshed with the second planetary gear and the second sun gear, be provided with control second outside described second gear ring
The second brake of gear ring kinestate.
Preferably, described second sun gear and the first sun gear, the second gear, and the first gear are coaxially connected in described
On second driving shaft, the second planetary gear is connected with the first row star-wheel by the first row carrier.
Preferably, the outside dimension of described first gear is less than the outside dimension of the second gear.
Preferably, the outside dimension of described 3rd gear is more than the outside dimension of the 4th gear.
Preferably, the outside dimension of described first sun gear is more than the outside dimension of the second sun gear.
The invention has the beneficial effects as follows:
(1) under electric-only mode, it is possible to realize running at high speed；
(2) motor speed wide coverage, it is possible to realize Ultra-Low Speed and travel, it is provided that high pulling torque；
(3) two shift transmissions assemble, and have high degree of flexibility, and mode of operation is various, it is possible to adapt to complicated work
Situation.
Accompanying drawing explanation
Fig. 1 is the four speed transmission integrated system structural representation of the present invention；
Fig. 2 is a gear power transmission schematic diagram of the present invention；
Fig. 3 is the two gear power transmission schematic diagrams of the present invention；
Fig. 4 is the three gear power transmission schematic diagrams of the present invention；
Fig. 5 is the four gear power transmission schematic diagrams of the present invention.
Reference: 1, motor, the 2, first gear, the 3, second gear, 4, double wet clutch, the 5, the 3rd gear, 6,
Four gears, 7, the first row carrier, 8, the first row star-wheel, the 9, first gear ring, the 10, first sun gear, the 11, first brake, 12,
Two planet carriers, the 13, second planetary gear, the 14, second gear ring, the 15, second sun gear, 16, second brake, 101, hydraulic control becomes
Gear group, 102, transmission input group, 103, first planet gear train, the 104, second planetary gearsets, the 105, first power transmission shaft, 106,
Second driving shaft, 107, transmission output shaft.
Detailed description of the invention
Below in conjunction with the accompanying drawing of the present invention, the technical scheme of the embodiment of the present invention is carried out clear, complete description.
Shown in Fig. 1, disclosed a kind of four-speed gear shift device integrated system, become including motor 1, hydraulic control
Gear group 101, transmission input group 102, first planet gear train 103, second planetary gearsets the 104, first power transmission shaft 105, and
Second driving shaft 106, described motor 1 is coaxially connected on described first power transmission shaft 105 with described hydraulic control variable block group 101,
Described transmission input group 102 is coaxially connected in described second transmission with first planet gear train 103 and the second planetary gearsets 104
On axle 106, and described first planet gear train 103 is coaxially connected with described second planetary gearsets 104, described transmission input group
102 are connected with the engagement of described hydraulic control variable block group 101, and power is transferred to by described motor 1 by hydraulic control variable block group 101
Transmission input group 102, described transmission input group 102 moved first planet gear train 103 and the second planetary gearsets 104 by power
Finally export to wheel.
Described hydraulic control variable block group 101 includes the first gear 2 and the second gear 3, described first gear the 2, second gear 3
Being sheathed on described first power transmission shaft 105, one end of the first power transmission shaft 105 connects motor 1, and described first gear 2 is with described
The centre of the second gear 3 is provided with double wet clutch 4, and the described pair of wet clutch 4 is coaxially connected with motor 1 with the first power transmission shaft
On 105；Described first gear the 2, second gear 3, and double wet clutch 4 constitutes two shift transmissions, double wet clutches 4
Realized and the first gear 2 and combination of the second gear 3 by hydraulic control, it is achieved conversion gear.External diameter due to the first gear 2
It is smaller in size than the outside dimension of the second gear 3, therefore can select as required to export different gear ratios.
Further, described transmission input group 102 includes the 3rd gear 5 and the 4th gear 6, described 3rd gear 5 with
4th gear 6 is coaxially connected in described second driving shaft 106, and the 3rd gear 5 is connected with the first gear 2 engagement, the first gear 2
Rotate the rotation driving the 3rd gear 5, the 4th gear 6 is connected with the second gear 3 engagement, the rotation of the second gear 3 drive the
The rotation of four gears 6.
Described first planet gear train 103 includes the first row carrier 7, the first row star-wheel the 8, first gear ring 9 and first sun
Wheel 10, described the first row star-wheel 8 is meshed with the first gear ring 9 and the first sun gear 10, and the outside of described first gear ring 9 is provided with the
One brake 11, the first brake 11, by combining with the first gear ring 9 or separate, changes the kinestate of the first gear ring 9.
Described second planetary gearsets 104 includes second planet carrier the 12, second planetary gear the 13, second gear ring 14 and second too
Sun wheel 15, described second planetary gear 13 is meshed with the second gear ring 14 and the second sun gear 15, described second sun gear 15 and the
One sun gear the 10, first gear 2, and the second gear 3 is coaxially connected on described first power transmission shaft 105；Described first planet
Being fixedly connected with the first row carrier 7 on wheel 8, the second planetary gear 13 is connected with the first row star-wheel 8 by the first row carrier 7, and the
The outside dimension of one planetary gear 8 is less than the outside dimension of the second planetary gear 13；It is fixedly connected with on described second planetary gear 13
Two planet carriers 12, described second planet carrier 12 is connected with transmission output shaft 107, and power is final by transmission output shaft 107
Output is to wheel.Meanwhile, outside described second gear ring 14, be provided with second brake 16, second brake 16 by with the second gear ring
14 combine or separate, and change the kinestate of the second gear ring 14；Concrete, the outside dimension of described first sun gear 10 is more than institute
State the outside dimension of the second sun gear 15.
Four-speed gear shift device integrated system of the present invention, respectively by two two shift transmissions, the i.e. first variable block group, planet
Gear train (first planet gear train the 103, second planetary gearsets 104), is integrated into a four-speed gear shift device integrated system, has
High degree of flexibility, mode of operation variation, it is possible to meet different working conditions.
Concrete, conversion gear and power transmission process to four-speed gear shift device integrated system of the present invention are carried out
Describe in detail.
(1) conversion one gear and power transmission process thereof:
Shown in Fig. 1, Fig. 2, after motor 1 starts, double wet clutches 4 are combined with the first gear 2, and the first brake
11 work, the first gear ring 9 is locked out, and second brake 16 does not works.After motor 1 starts, by power by the first power transmission shaft 105
Output is to the first gear 2, and owing to the first gear 2 is meshed with the 3rd gear 5, and then the first gear 2 rotates and drives the 3rd gear 5
Rotating, power is transferred to the 3rd gear 5, power is transferred to the first sun gear by second driving shaft 106 by the 3rd gear 5
10, the first sun gear 10 is connected with the first row star-wheel 8 engagement, and owing to the first gear ring 9 is locked out, therefore the first sun gear 10 can
Power is transferred to the first row star-wheel 8, and the first row star-wheel 8 is finally outputed power by the first row carrier 7；In the present embodiment
Motor 1 rotating speed wide coverage, it is possible to make vehicle keep Ultra-Low Speed to travel, thus provide high torque for vehicle, on the other hand
The load of vehicle self decelerator can be reduced.
(2) one gears rise two and keep off and power transmission process:
Shown in Fig. 1, Fig. 3, motor 1 continues to keep rotating, and double wet clutches 4 and the first gear 2 continue to keep knot
Closing, and the first brake 11 and the first gear ring 9 are separated, second brake 16 works, and the second gear ring 14 is locked out.Motor 1 continues
Rotation is held in continuation of insurance, continues to be exported to the first gear 2, due to the first gear 2 and the 3rd gear power by the first power transmission shaft 105
5 are meshed, and then the first gear 2 rotates and drives the 3rd gear 5 to rotate, and power is transferred to the 3rd gear 5, and the 3rd gear 5 leads to
Crossing second driving shaft 106 and power is transferred to the second sun gear 15, the second sun gear 15 is connected with the second planetary gear 13 engagement, by
Being locked out in the second gear ring 14, therefore power can be transferred to the second planetary gear 13, the second planetary gear 13 by the second sun gear 15
Finally outputed power by the second planet carrier 12；
(3) two gears rise three and keep off and power transmission process:
Shown in Fig. 1, Fig. 4, motor 1 continues to keep rotating, and double wet clutches 4 separate with the first gear 2, and with the
Two gears 3 combine, and second brake 16 and the second gear ring 14 are separated, and the first brake 11 works, and the first gear ring 9 is locked
Only.Motor 1 persistently exports power, and is exported to the second gear 3, due to the second gear 3 by the first power transmission shaft 105 by power
It is meshed with the 4th gear 6, and then the second gear 3 rotates and drives the 4th gear 6 to rotate, and power is transferred to the 4th gear 6, the
Power is transferred to the first sun gear 10 by second driving shaft 106 by four gears 6, and the first sun gear 10 is nibbled with the first row star-wheel 8
Closing and connect, owing to the first gear ring 9 is locked out, therefore power can be transferred to the first row star-wheel 8, the first row by the first sun gear 10
Star-wheel 8 is finally outputed power by the first row carrier 7.
(4) three gears rise four and keep off and power transmission process:
Shown in Fig. 1, Fig. 5, motor 1 continues to keep rotating, and double wet clutches 4 separate with the first gear 2, and with the
Two gears 3 continue to keep bonding state, and the first brake 11 combines with the first gear ring 9, and second brake 16 works, and second
Gear ring 14 is locked out.Motor 1 persistently exports power, and is exported to the second gear 3 by the first power transmission shaft 105 by power, by
It is meshed with the 4th gear 6 in the second gear 3, and then the second gear 3 rotates and drives the 4th gear 6 to rotate, and is transferred to by power
4th gear 6, power is transferred to the second sun gear 15, the second sun gear 15 and by second driving shaft 106 by the 4th gear 6
Two planetary gear 13 engagements connect, and owing to the second gear ring 14 is locked out, therefore power can be transferred to second by the second sun gear 15
Planetary gear 13, the second planetary gear 13 is finally outputed power by the second planet carrier 12.
In the present embodiment, in four-speed gear shift device integrated system from one gear rise to four gear processes as it has been described above, downshift process with
Described upshift process is contrary, concrete, during four gear fall three gears, only need to be separated with the second gear ring 14 by second brake 16, first
Brake 11 combines with the first gear ring 9, and double wet clutches 4 keep being connected with the second gear 3, can complete four gear falls three
Gear；During three gear fall two gears, double wet clutches 4 and the second gear 3 are separated, and combine with the first gear 2, and the second braking
Device 16 combines with the second gear ring 14, and the first brake 11 and the first gear ring 9 are separated, and can complete three gears and drop two gear processes；
During two gear fall one gears, only need to be separated with the second gear ring 14 by second brake 16, the first brake 11 is tied with the first gear ring 9 phase
Close, keep double wet clutch 4 to be combined with the first gear 2, two gears can be completed and drop a gear process.
Four-speed gear shift device integrated system of the present invention, by the first variable block group, planetary gearsets (first planet gear
Group the 103, second planetary gearsets 104), it is integrated into a four-speed gear shift device integrated system, there is high degree of flexibility, mode of operation
Various, in the case of pure motor driving, it is possible to realize running at high speed, and, motor 1 rotating speed wide coverage, it is possible to realize low
Speed travels, it is provided that high pulling torque.
The technology contents of the present invention and technical characteristic have revealed that as above, but those of ordinary skill in the art still may base
All replacements without departing substantially from spirit of the present invention and modification, therefore, scope is made in teachings of the present invention and announcement
The content disclosed in embodiment should be not limited to, and the various replacement without departing substantially from the present invention and modification should be included, and be this patent Shen
Please claim be contained.
Claims (9)
1. a four-speed gear shift device integrated system, it is characterised in that include motor, hydraulic control variable block group, transmission input group,
One planetary gearsets, the second planetary gearsets, the first power transmission shaft, and second driving shaft, described motor and described hydraulic control
Variable block group is coaxially connected on described first power transmission shaft, described transmission input group and first planet gear train and the second planetary gear
Organize coaxially connected on described second driving shaft, and described first planet gear train coaxially connects with described second planetary gearsets
Connecing, described transmission input group is connected with the engagement of described hydraulic control variable block group, is provided with first outside described first planet gear train
Brake.
Four-speed gear shift device integrated system the most according to claim 1, it is characterised in that described hydraulic control variable block group includes
First gear and the second gear, described first gear, the second geared sleeve be located on described first power transmission shaft, described first tooth and institute
The centre stating the second gear is provided with double wet clutch, and described pair of wet clutch is connected to described first transmission with motor coaxle
On axle.
Four-speed gear shift device integrated system the most according to claim 2, it is characterised in that described transmission input group includes the 3rd
Gear and the 4th gear, described 3rd gear and the 4th gear are coaxially connected, and described 3rd gear is nibbled with described first gear
Closing and connect, described 4th gear is connected with described second gear engagement.
Four-speed gear shift device integrated system the most according to claim 3, it is characterised in that described first planet gear train includes
The first row carrier, the first row star-wheel being arranged in the first row carrier, and the first gear ring of being meshed with the first row star-wheel and
First sun gear, is provided with the first brake controlling the first gear ring kinestate outside described first gear ring.
Four-speed gear shift device integrated system the most according to claim 4, it is characterised in that described second planetary gearsets includes
Second planet carrier, the second planetary gear being arranged on the second planet carrier, and the second gear ring of being meshed with the second planetary gear and
Second sun gear, is provided with the second brake controlling the second gear ring kinestate outside described second gear ring.
Four-speed gear shift device integrated system the most according to claim 5, it is characterised in that described second sun gear and first is too
Sun wheel, the second gear, and the first gear is coaxially connected on described second driving shaft, the second planetary gear passes through the first row carrier
It is connected with the first row star-wheel.
Four-speed gear shift device integrated system the most according to claim 2, it is characterised in that the outside dimension of described first gear
Outside dimension less than the second gear.
Four-speed gear shift device integrated system the most according to claim 3, it is characterised in that the outside dimension of described 3rd gear
Outside dimension more than the 4th gear.
Four-speed gear shift device integrated system the most according to claim 5, it is characterised in that the outer diameter ruler of described first sun gear
The very little outside dimension being more than the second sun gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610740433.XA CN106122392B (en) | 2016-08-26 | 2016-08-26 | Four-speed gear shift device integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610740433.XA CN106122392B (en) | 2016-08-26 | 2016-08-26 | Four-speed gear shift device integrated system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106122392A true CN106122392A (en) | 2016-11-16 |
| CN106122392B CN106122392B (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610740433.XA Active CN106122392B (en) | 2016-08-26 | 2016-08-26 | Four-speed gear shift device integrated system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106945515A (en) * | 2017-04-14 | 2017-07-14 | 重庆青山工业有限责任公司 | A kind of pure electric automobile power device |
| CN108591386A (en) * | 2018-06-04 | 2018-09-28 | 株洲欧格瑞传动股份有限公司 | Two grades of speed change gears of electric vehicle and its bi-motor Driven by Coaxial |
| CN108999950A (en) * | 2018-09-30 | 2018-12-14 | 山推工程机械股份有限公司 | A kind of full hydraulic bulldozer variable-ratio final drive and bull-dozer |
| CN109185433A (en) * | 2018-11-16 | 2019-01-11 | 王睿 | A kind of four speed automatic gearbox of new-energy automobile |
| CN109442009A (en) * | 2018-12-20 | 2019-03-08 | 潍柴动力股份有限公司 | A kind of variable transmission mechanism and in-wheel driving are mechanical |
| CN109835155A (en) * | 2018-04-19 | 2019-06-04 | 广州市新域动力技术有限公司 | The automatic four-speed pure electric power assembly of astrolabe shift type |
| CN111322188A (en) * | 2019-12-27 | 2020-06-23 | 福建中维动力科技股份有限公司 | Engine ignition control system based on integrated hybrid power system |
| KR20230038892A (en) * | 2021-09-13 | 2023-03-21 | 현대트랜시스 주식회사 | Axle assembly for electric vehicle |
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| CN106945515A (en) * | 2017-04-14 | 2017-07-14 | 重庆青山工业有限责任公司 | A kind of pure electric automobile power device |
| CN109835155A (en) * | 2018-04-19 | 2019-06-04 | 广州市新域动力技术有限公司 | The automatic four-speed pure electric power assembly of astrolabe shift type |
| CN109835155B (en) * | 2018-04-19 | 2023-08-29 | 广州市新域动力技术有限公司 | Star plate gear-shifting type automatic four-speed pure electric power assembly |
| CN108591386A (en) * | 2018-06-04 | 2018-09-28 | 株洲欧格瑞传动股份有限公司 | Two grades of speed change gears of electric vehicle and its bi-motor Driven by Coaxial |
| CN108999950A (en) * | 2018-09-30 | 2018-12-14 | 山推工程机械股份有限公司 | A kind of full hydraulic bulldozer variable-ratio final drive and bull-dozer |
| CN109185433A (en) * | 2018-11-16 | 2019-01-11 | 王睿 | A kind of four speed automatic gearbox of new-energy automobile |
| CN109185433B (en) * | 2018-11-16 | 2024-06-07 | 王睿 | New energy automobile four keep off automatic gearbox |
| CN109442009A (en) * | 2018-12-20 | 2019-03-08 | 潍柴动力股份有限公司 | A kind of variable transmission mechanism and in-wheel driving are mechanical |
| CN111322188A (en) * | 2019-12-27 | 2020-06-23 | 福建中维动力科技股份有限公司 | Engine ignition control system based on integrated hybrid power system |
| KR20230038892A (en) * | 2021-09-13 | 2023-03-21 | 현대트랜시스 주식회사 | Axle assembly for electric vehicle |
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| CN106122392B (en) | 2019-04-05 |
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