CN110154745A - A kind of two-in-one power assembly of new-energy automobile - Google Patents
A kind of two-in-one power assembly of new-energy automobile Download PDFInfo
- Publication number
- CN110154745A CN110154745A CN201910277990.6A CN201910277990A CN110154745A CN 110154745 A CN110154745 A CN 110154745A CN 201910277990 A CN201910277990 A CN 201910277990A CN 110154745 A CN110154745 A CN 110154745A
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- Prior art keywords
- gear
- main shaft
- planetary gear
- shell
- power assembly
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
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Abstract
The present invention relates to new energy vehicle art drive systems fields, more particularly, to a kind of two-in-one power assembly of new-energy automobile.A kind of two-in-one power assembly of new-energy automobile, including electric machine casing and reducer shell, motor is provided in electric machine casing, one end that the main shaft of motor is located inside reducer shell is provided with sun gear, ring gear and multiple double-planetary gears are provided in reducing gearbox body, double-planetary gear includes mafor planet gear and small planetary gear, pass through connection axis connection between mafor planet gear and corresponding small planetary gear, small planetary gear is engaged with ring gear, mafor planet gear is engaged with sun gear, differential casing is provided in reducing gearbox body, planet wheel spindle is provided in differential carrier body, the two sides of planet wheel spindle are provided with auxiliary planetary gear.Two-in-one power assembly small volume in the present invention, motor power output shaft can be coaxially disposed with reducer power output shaft.
Description
Technical field
The present invention relates to new energy vehicle art drive systems fields, two-in-one dynamic more particularly, to a kind of new-energy automobile
Power assembly.
Background technique
Increase with the raising and country of people's environmental consciousness to new energy vehicle policy support dynamics, new-energy automobile
Market accounting is also higher and higher, and the demand of corresponding used in new energy vehicles power assembly is also more and more.Used in new energy vehicles power is total
At the engine and speed changer original instead of automobile, become the crucial portion set in new energy vehicle transmission system.
Original two-in-one power assembly of new-energy automobile is mostly with the deceleration of driving motor, electric machine control system and parallel axes
Device composition.Original two-in-one power assembly mainly has following defect: 1, motor power output shaft and reducer power output shaft
Not coaxial, multiaxis rotates simultaneously, keeps vehicle NVH not easy to control.2, because of dead axle transmission reasons in structure, in the case of same speed ratio, make
Two-in-one power assembly volume is bigger than normal.3, because of two-in-one volumetric constraint, position is limited on vehicle.
Summary of the invention
The present invention provides a kind of two-in-one power assembly small volume, motor power output primarily directed to the above problem
The two-in-one power assembly of new-energy automobile that axis and reducer power output shaft can be coaxially disposed.
The purpose of the present invention is mainly to be achieved by following proposal: a kind of two-in-one power of new-energy automobile is total
At including electric machine casing and reducer shell are provided with motor in the electric machine casing, and the main shaft of the motor, which passes through, to be subtracted
Fast device shell simultaneously enters inside reducer shell, and one end that the main shaft of the motor is located inside reducer shell is provided with too
Sun is taken turns, and is provided with ring gear and multiple double-planetary gears in the reducing gearbox body, the double-planetary gear includes big row
Star gear and small planetary gear pass through connection axis connection, institute between the mafor planet gear and corresponding small planetary gear
The small planetary gear stated is engaged with ring gear, and the mafor planet gear is engaged with sun gear, is set in the reducing gearbox body
It is equipped with differential casing, planet wheel spindle is provided in the differential carrier body, the two sides of the planet wheel spindle, which cooperate, to be set
It is equipped with auxiliary planetary gear, is equipped between two auxiliary planetary gear two sides there are two axle shaft gear, one of half axle gear
It is connected with left output axle shaft in the middle part of wheel, right output axle shaft, the right output half are connected in the middle part of another axle shaft gear
Axle position in main shaft middle part and connect with main axis, the left output axle shaft, right output axle shaft and main shaft are coaxially disposed,
Planet carrier is provided on the double-planetary gear, the planet carrier is connected to differential carrier far from one end of double-planetary gear
On body.Motor is provided in electric machine casing, the main shaft of motor passes through reducer shell and enters inside reducer shell, and main shaft is
The outside of hollow shaft, main shaft is connected and is fixed with rotor by irregularly-shaped inner hole, exports electromagnetic driving force by main shaft, electricity
One end that the main shaft of machine is located inside reducer shell is provided with sun gear, and main axis can drive sun gear while rotate, subtract
Ring gear and multiple double-planetary gears are provided in fast device shell, ring gear is fixed in reducing gearbox body, double-planetary gear packet
Mafor planet gear and small planetary gear are included, it is small by connection axis connection between mafor planet gear and corresponding small planetary gear
Planetary gear is engaged with ring gear, and mafor planet gear is engaged with sun gear, and sun gear can drive mafor planet gear to rotate, major planet
Gear can drive small planetary gear to rotate by connecting shaft transmission, and small planetary gear along the circumferential direction moves on ring gear, increase
The big reduction ratio of retarder, and leaving space is installed for differential casing, significantly reduce the axis of two-in-one power assembly
To length, realizes that constant-speed ratio slows down, be provided with differential casing in reducing gearbox body, be provided with planetary gear in differential carrier body
Axis, the two sides of planet wheel spindle are equipped with auxiliary planetary gear, are equipped with two between two auxiliary planetary gear two sides
A axle shaft gear is connected with left output axle shaft in the middle part of one of axle shaft gear, is connected in the middle part of another axle shaft gear
Right output axle shaft, right output axle shaft are located at the middle part of main shaft and connect with main axis, left output axle shaft, right output axle shaft and master
Axis is coaxially disposed, and planet carrier is provided on double-planetary gear, and planet carrier is connected to differential mechanism far from one end of double-planetary gear
On shell, double-planetary gear is able to drive planet carrier while movement when along the circumferential direction moving on ring gear, is passed by planet carrier
The power passed is transmitted on axle shaft gear via differential casing, planet wheel spindle, auxiliary planetary gear, finally by left output
Semiaxis and the output of right output axle shaft.
Preferably, the main shaft is connected by spline with sun gear.Main shaft passes through spline hot jacket method and sun gear
It is connected, is fixedly connected with sun gear with main shaft, the noise generated because main shaft direction of rotation changes can be eliminated.
Preferably, the electric machine casing is connected with reducer shell by bolt.Electric machine casing and reducer shell
It is connected by bolt, stable connection, convenient disassembly.
Preferably, being provided with lubricating coupler around main shaft on the reducer shell, the lubricating coupler includes surrounding
The shell of main shaft setting, is provided with the lubricant reservoir full of lubricating oil in the shell, close to main shaft on the shell
Side is provided with connection lubricant reservoir and extraneous rolling groove, is provided with ball in the rolling groove, and the one of the ball
Side is located in lubricant reservoir, and the other side of the ball is against on main shaft.Main shaft is provided with lubrication on reducer shell
Device, lubricating coupler include the shell around main shaft setting, and the lubricant reservoir full of lubricating oil, close master on shell are provided in shell
The side of axis is provided with connection lubricant reservoir and extraneous rolling groove, and ball is provided in rolling groove, and the side of ball is located at profit
In lubricating cavity, the other side of ball is against on main shaft, when main axis, ball can be driven to roll, the ball of rolling can be by ball
On the lubricating oil that speckles with is lasting is stained on main shaft, when can play lasting effective lubricating action, and reduce main axis
Frictional dissipation improves service life.
Preferably, being provided with the oilhole being connected to lubricant reservoir on the shell, the oilhole is far from lubricating oil
One end of chamber is provided with sealing cover.The oilhole being connected to lubricant reservoir, the one end of oilhole far from lubricant reservoir are provided on shell
It is provided with sealing cover, can be to lubricating oil be added in lubricant reservoir by oilhole, sealing cover can play effective sealing function, prevent
Lubricating oil in lubricant reservoir overflows from oilhole.
Therefore, the two-in-one power assembly of a kind of new-energy automobile of the invention has following advantages: the configuration of the present invention is simple,
Two-in-one power assembly small volume, motor power output shaft can be coaxially disposed with reducer power output shaft, increase and subtract
The reduction ratio of fast device, and leaving space is installed for differential casing, the axial length of two-in-one power assembly is significantly reduced,
Frictional dissipation between main shaft and reducer shell is small, long service life.
Detailed description of the invention
Attached drawing 1 is structural schematic diagram of the invention.
Attached drawing 2 is the structural schematic diagram of lubricating coupler in the present invention.
It illustrates: 1- axle shaft gear, 2- planet wheel spindle, 3- connecting shaft, 4- small planetary gear, 5- ring gear, the big row of 6-
Star gear, 7- sun gear, 8- motor, 9- electric machine casing, the left output axle shaft of 10-, 11- differential casing, the auxiliary planetary gear of 12-,
13- planet carrier, 14- reducer shell, 15- main shaft, the right output axle shaft of 16-, 17- lubricating coupler, 18- lubricating oil, 19- shell, 20-
Rolling groove, 21- ball, 22- lubricant reservoir, 23- oilhole, 24- sealing cover.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1:
As shown in Figure 1, 2, the two-in-one power assembly of a kind of new-energy automobile, including electric machine casing 9 and reducer shell 14, motor
Shell 9 is connected with reducer shell 14 by bolt, stable connection, convenient disassembly, and motor 8, motor are provided in electric machine casing 9
8 main shaft 15 passes through reducer shell 14 and enters inside reducer shell 14, and main shaft 15 is hollow shaft, and the outside of main shaft 15 is logical
It crosses irregularly-shaped inner hole to be connected and fix with rotor, exports electromagnetic driving force by main shaft 15, the main shaft 15 of motor, which is located at, to be subtracted
One end inside fast device shell 14 is provided with sun gear 7, and main shaft 15 is connected by spline hot jacket method with sun gear 7, makes the sun
Wheel 7 is fixedly connected with main shaft, can eliminate the noise generated because main shaft direction of rotation changes, and main axis can drive sun gear
7 rotate simultaneously, and ring gear 5 and multiple double-planetary gears are provided in reducer shell 14, and ring gear 5 is fixed on reducer shell
In 14, double-planetary gear includes mafor planet gear 6 and small planetary gear 4, mafor planet gear 6 and corresponding small planetary gear 4
Between connected by connecting shaft 3, small planetary gear 4 is engaged with ring gear 5, and mafor planet gear 6 is engaged with sun gear 7, sun gear 7
Mafor planet gear 6 can be driven to rotate, mafor planet gear 6 can drive small planetary gear 4 to rotate by the transmission of connecting shaft 3, asteroid
Gear 4 along the circumferential direction moves on ring gear 5, increases the reduction ratio of retarder, and leave for the installation of differential casing 11
Space significantly reduces the axial length of two-in-one power assembly, realizes that constant-speed ratio slows down, is provided in reducer shell 14
Differential casing 11 is provided with planet wheel spindle 2 in differential casing 11, and the two sides of planet wheel spindle 2 are equipped with auxiliary planet
Gear 12 is equipped between the two sides of two auxiliary planetary gears 12 there are two axle shaft gear 1, one of axle shaft gear 1
Middle part is connected with left output axle shaft 10, and the middle part of another axle shaft gear 1 is connected with right output axle shaft 16, right output axle shaft 16
In main shaft middle part and connect with main axis, left output axle shaft 10, right output axle shaft 16 and main shaft are coaxially disposed, duplex row
Planet carrier 13 is provided on star-wheel, planet carrier 13 is connected on differential casing 11 far from one end of double-planetary gear, duplex row
Star-wheel is able to drive planet carrier 13 while movement when along the circumferential direction moving on ring gear 5, is passed over by planet carrier 13
Power is transmitted on axle shaft gear 1 via differential casing 11, planet wheel spindle 2, auxiliary planetary gear 12, finally by left output half
Axis 10 and right output axle shaft 16 export.
Main shaft is provided with lubricating coupler 17 on reducer shell 14, lubricating coupler 17 includes the shell around main shaft setting
19, it is provided with the lubricant reservoir 22 full of lubricating oil 18 in shell 19, the side of main shaft is provided with connection profit on shell 19
Lubricating cavity 22 and extraneous rolling groove 20 are provided with ball 21 in rolling groove 20, and the side of ball 21 is located in lubricant reservoir 22,
The other side of ball 21 is against on main shaft, when main axis, ball 21 can be driven to roll, and the ball 21 of rolling can will be on ball 21
The lubricating oil 18 speckled with is lasting to be stained on main shaft, and lasting effective lubricating action can be played, and when reducing main axis
Frictional dissipation improves service life；The oilhole 23 being connected to lubricant reservoir 22 is provided on shell, oilhole 23 is far from lubricant reservoir
22 one end is provided with sealing cover 24, can be to lubricating oil is added in lubricant reservoir 22 by oilhole 23, and sealing cover 24 can play
The sealing function of effect prevents the lubricating oil in lubricant reservoir 22 from overflowing from oilhole 23.
It should be understood that being somebody's turn to do, examples are only for illustrating the present invention and not for limiting the scope of the present invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valence form is also fallen within the scope of the appended claims of the present application.
Claims (5)
1. a kind of two-in-one power assembly of new-energy automobile, which is characterized in that described including electric machine casing and reducer shell
Motor is provided in electric machine casing, the main shaft of the motor passes through reducer shell and enters inside reducer shell, described
The main shaft of motor be located at one end inside reducer shell and be provided with sun gear, be provided with internal tooth in the reducing gearbox body
Circle and multiple double-planetary gears, the double-planetary gear includes mafor planet gear and small planetary gear, the major planet tooth
By connection axis connection between wheel and corresponding small planetary gear, the small planetary gear is engaged with ring gear, described
Mafor planet gear is engaged with sun gear, is provided with differential casing in the reducing gearbox body, in the differential carrier body
It is provided with planet wheel spindle, the two sides of the planet wheel spindle are equipped with auxiliary planetary gear, two auxiliary planetary gears two
It is equipped between side there are two axle shaft gear, is connected with left output axle shaft in the middle part of one of axle shaft gear, another half
Right output axle shaft is connected in the middle part of shaft gear, the right output axle shaft is located at the middle part of main shaft and connect with main axis,
Left output axle shaft, right output axle shaft and the main shaft is coaxially disposed, and planet carrier, institute are provided on the double-planetary gear
The planet carrier stated is connected on differential casing far from one end of double-planetary gear.
2. the two-in-one power assembly of a kind of new-energy automobile according to claim 1, which is characterized in that the main shaft is logical
Spline is crossed to be connected with sun gear.
3. the two-in-one power assembly of a kind of new-energy automobile according to claim 1, which is characterized in that the motor casing
Body is connected with reducer shell by bolt.
4. the two-in-one power assembly of a kind of new-energy automobile according to claim 1 or 2 or 3, which is characterized in that described
Main shaft is provided with lubricating coupler on reducer shell, the lubricating coupler includes the shell around main shaft setting, the shell
Be provided with the lubricant reservoir full of lubricating oil in vivo, the side on the shell close to main shaft be provided with connection lubricant reservoir and
Extraneous rolling groove is provided with ball in the rolling groove, and the side of the ball is located in lubricant reservoir, the rolling
The other side of pearl is against on main shaft.
5. the two-in-one power assembly of a kind of new-energy automobile according to claim 4, which is characterized in that on the shell
It is provided with the oilhole being connected to lubricant reservoir, the oilhole is provided with sealing cover far from one end of lubricant reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910277990.6A CN110154745A (en) | 2019-04-08 | 2019-04-08 | A kind of two-in-one power assembly of new-energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910277990.6A CN110154745A (en) | 2019-04-08 | 2019-04-08 | A kind of two-in-one power assembly of new-energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110154745A true CN110154745A (en) | 2019-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910277990.6A Pending CN110154745A (en) | 2019-04-08 | 2019-04-08 | A kind of two-in-one power assembly of new-energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110154745A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734789A (en) * | 2020-07-06 | 2020-10-02 | 南京清研易为新能源动力有限责任公司 | Single-stage large-speed-ratio tower-type planet row speed reducer |
| CN112046276A (en) * | 2020-09-26 | 2020-12-08 | 南京好龙电子有限公司 | Motor-driven coaxial axle |
Citations (6)
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|---|---|---|---|---|
| US20170023114A1 (en) * | 2015-02-11 | 2017-01-26 | Jilin University, China | Drive axle of electric distribution torque |
| CN106763617A (en) * | 2016-12-21 | 2017-05-31 | 吉林大学 | A kind of power drive system for being based on three shift transmissions |
| CN207916551U (en) * | 2017-12-29 | 2018-09-28 | 綦江齿轮传动有限公司 | Oil and electricity hybrid vehicle transmission assembly |
| CN108626256A (en) * | 2018-06-15 | 2018-10-09 | 常州格兰芬医疗仪器有限公司 | Self-lubricating bearing seat |
| CN108953539A (en) * | 2018-09-05 | 2018-12-07 | 恒大法拉第未来智能汽车（广东）有限公司 | Two speed transmission and electric car |
| CN209870113U (en) * | 2019-04-08 | 2019-12-31 | 浙江万里扬新能源驱动科技有限公司 | Two-in-one power assembly of new energy automobile |
-
2019
- 2019-04-08 CN CN201910277990.6A patent/CN110154745A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170023114A1 (en) * | 2015-02-11 | 2017-01-26 | Jilin University, China | Drive axle of electric distribution torque |
| CN106763617A (en) * | 2016-12-21 | 2017-05-31 | 吉林大学 | A kind of power drive system for being based on three shift transmissions |
| CN207916551U (en) * | 2017-12-29 | 2018-09-28 | 綦江齿轮传动有限公司 | Oil and electricity hybrid vehicle transmission assembly |
| CN108626256A (en) * | 2018-06-15 | 2018-10-09 | 常州格兰芬医疗仪器有限公司 | Self-lubricating bearing seat |
| CN108953539A (en) * | 2018-09-05 | 2018-12-07 | 恒大法拉第未来智能汽车（广东）有限公司 | Two speed transmission and electric car |
| CN209870113U (en) * | 2019-04-08 | 2019-12-31 | 浙江万里扬新能源驱动科技有限公司 | Two-in-one power assembly of new energy automobile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734789A (en) * | 2020-07-06 | 2020-10-02 | 南京清研易为新能源动力有限责任公司 | Single-stage large-speed-ratio tower-type planet row speed reducer |
| CN112046276A (en) * | 2020-09-26 | 2020-12-08 | 南京好龙电子有限公司 | Motor-driven coaxial axle |
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