CN205534190U - Electricelectric motor car integrated form driving system - Google Patents
Electricelectric motor car integrated form driving system Download PDFInfo
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- CN205534190U CN205534190U CN201620359635.5U CN201620359635U CN205534190U CN 205534190 U CN205534190 U CN 205534190U CN 201620359635 U CN201620359635 U CN 201620359635U CN 205534190 U CN205534190 U CN 205534190U
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- gear
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- sun gear
- gear ring
- star
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Abstract
The utility model discloses an electricelectric motor car integrated form driving system includes casing, doublestage planetary gear train mechanism, driving motor and clutch, doublestage planetary gear train mechanism includes first sun gear, expert star gear, unprofessional star gear, first planet carrier and first ring gear, the driving motor pivot is connected with first sun gear pivot, is equipped with first planet carrier stopper on the casing, first planet carrier passes through the clutch and is connected with first sun gear, be equipped with first ring gear output pivot on the first ring gear, first ring gear output pivot is connected with the drive wheel, first sun gear pivot, driving motor pivot, the output pivot of first ring gear and the coaxial setting of drive axle, the utility model discloses a structure integrate designing technique, the structure is compacter to have higher transmission efficiency, can effectively satisfy the electricelectric motor car demand that output power that variable velocity zone comes changes of shifting, improve whole car dynamic performance, and can realize supplementary parking function.
Description
Technical field
This utility model relates to a kind of dynamical system, particularly to a kind of pure electric vehicle integrated form dynamical system.
Background technology
Electric automobile has the feature such as energy-saving and environmental protection, cleaning, and having the biggest development potentiality should with wide
Use prospect.Electric automobile uses motor to instead of traditional automobile engine, and motor can load startup,
And meeting automobile by reasonably configuration and use requirement, this is the biggest difference with electromotor, in electric motor car
On still use multi-speed transmission the most improper, if but cancel variable speed drive, then be difficult to take into account automobile and climb
Slope and the requirement, particularly small and medium-sized car such as run at high speed, it is necessary to for motor operating characteristic again
Design electric automobile gear actuating device.Present electric motor car uses the reducer arrangement without gear substantially, by
Motor completes the task of speed change.According to the characteristic curve to motor, slow down without gear and be difficult to make motor work
At high efficiency range, causing greatest problem is exactly that starting current is big, climbs unable, and low speed electric current is big, adds at a high speed
Not going up, power consumption is excessive, even can damage battery, motor and controller etc..
In order to improve the performance of the dynamical system of pure electric vehicle, some few speed transmission are used, existing
Having in technology, patent CN201410828980 proposes and utilizes lock unit gearshift to realize based on single single-stage
The two speed transmission design of formula planet circular system, patent CN201410093459 then utilizes coordinated type lock unit
Realize design based on single single stage type planet circular system two speed transmission, CN201410243816 profit simultaneously
Design based on single single stage type planet circular system two speed transmission is realized with brake and lock unit.But should
Prior art there is a problem in that one, designed gear ratio is relatively big, is easily caused shift process impact existing
As, the same axiation Integrated design of two, unrealized motor and drive axle, not only structure is the compactest, and passes through
Multi-stage transmission behind efficiency is relatively low, three and unrealized parking assist function, and car load power train also needs to arrange auxiliary
Halting mechanism.
Utility model content
This utility model is for solving above-mentioned technical problem, it is provided that a kind of gear ratio reducing few gear dynamical system,
Realize the same axiation of motor and jack shaft, and the pure electric vehicle integrated form dynamical system of parking assist.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: a kind of pure electric vehicle integrated form moves
Force system, including housing, double-pinion planetary train mechanism, drives motor and clutch;Described two-stage planet wheel
It is that mechanism includes the first sun gear, expert's star-wheel, layman's star-wheel, the first row carrier and the first gear ring;Described
Driving machine shaft and the first sun gear rotating shaft to connect, described first sun gear engages with expert's star-wheel, described
Expert's star-wheel engages with layman's star-wheel, and described layman's star-wheel and the engagement of the first gear ring, described expert's star-wheel is with outer
Planetary gear is arranged in the first row carrier;Described housing is provided with the first row carrier brake;Described the first row
Carrier is connected by clutch and the first sun gear;Described first gear ring is provided with the first gear ring output revolving shaft,
Described first gear ring output revolving shaft is connected with driving wheel;Described first sun gear rotating shaft, drive machine shaft,
First gear ring output revolving shaft and live axle are coaxially disposed;
Providing the benefit that: when vehicle is at low-range drive mode, now the first row carrier brake is in system
Dynamic state, clutch are in released state.So, the first row carrier is braked.When the rotor driving motor
Rotating clockwise, when vehicle advance travels, now the fixed shaft gear train that acts as of double-pinion planetary train mechanism subtracts
Speed device i.e. gear ratio is: the gear ring number of teeth/sun gear number of teeth in k1=double-pinion planetary train mechanism, the power of motor from
Sun gear is delivered to the first gear ring through two grades of asteroid wheels, and the first gear ring is dynamic by the first gear ring rotating shaft output
Power is to driving wheel, and now driving wheel can obtain respective drive moment of torsion required when starting and speed, can have
Effect adapts to the power demand that vehicle is waited on startup;
When vehicle is at high tap position drive pattern: now the first row carrier brake is in release conditions, clutch
Device is in bonding state.So, the first row carrier and the first sun gear together operate after becoming an entirety;
When the rotor clockwise driving motor rotates, and vehicle advance travels, the now work of double-pinion planetary train mechanism
With being 1 such as transmission shaft driven ratio, because its first gear ring, the first row carrier and the first sun gear are together seized on both sides by the arms
Operate together.So, driving the power of motor to be equivalent to be directly delivered to the first gear ring, the first gear ring leads to
Cross the first gear ring output revolving shaft and impart power to driving wheel.Driving wheel can obtain driving accordingly when high speed
Dynamic torque and speed, can effectively adapt to the power under vehicle high speed travels and the demand of speed;
When vehicle is at park mode: now the brake of the first row carrier is in on-position, clutch is in
Bonding state.So, the first row carrier is braked, and brakes the first sun gear further.Now, double
Level planetary wheel mechanism function as power assembly housing, it is impossible to rotate.So, the most further
This PWTN is made all to be fixed.Under this pattern, it is possible to achieve parking assist function;
When vehicle is in neutral mode: now the brake of the first row carrier is in release conditions, clutch is in
Released state.Double-pinion planetary train mechanism has 2DOF, drives the power input of motor to be delivered to
Driving wheel.This pattern is applicable to the operating mode such as vehicle sliding and vehicle mis-usage;
This utility model pure electric vehicle integrated form dynamical system achieves above mode of operation, and first sun
Wheel rotating shaft, driving machine shaft, the first gear ring output revolving shaft and live axle use with axiation Integrated design,
The compactest structure, also improves transmission efficiency.
As a kind of preferred structure of the present utility model, in order to improve dynamical system torsion problem, this practicality is new
Type one pure electric vehicle integrated form dynamical system, also includes single-planetary gear train mechanism, and described single-stage planetary is taken turns
Be that mechanism is connected with the first gear ring output revolving shaft, described single-planetary gear train mechanism include the second sun gear,
Two planetary gears, the second planet carrier and the second gear ring;First gear ring output revolving shaft and the second sun gear rotating shaft connect,
Second sun gear and the engagement of the second planetary gear, the second planetary gear and the engagement of the second gear ring, the second planetary gear is arranged
On the second planet carrier, the second gear ring is fixedly installed on housing, and planet carrier is provided with the second planet carrier output
Rotating shaft.When vehicle is at low-range drive mode, drive motor by the first gear ring rotating shaft output power to single
Level planetary wheel mechanism, owing to the gear ring of single-planetary gear train mechanism is fixed, the work of this single-stage planetary wheel mechanism
Slowing down with such as decelerator, gear ratio is 1+k2, wherein K2=the second gear ring number of teeth/the second sun gear number of teeth.
Motor is driven to increase torsion respectively through the deceleration of double-pinion planetary train mechanism and single-planetary gear train mechanism under this pattern
Rear output, driving wheel can obtain bigger driving torque, can be effectively improved the starting acceleration performance of vehicle;
When vehicle is at high tap position drive pattern, the first gear ring rotating speed is equal to driving motor speed, the first gear ring
By the first gear ring rotating shaft output power to single-planetary gear train mechanism.So, the power driving motor is suitable
In being directly delivered to the second sun gear.Power slows down (gear ratio is 1+k2) through single-planetary gear train mechanism
After be delivered to driving wheel.Driving motor to export after slowing down under this pattern, driving wheel can obtain medium
Driving torque, can effectively adapt to the power demand under vehicle high speed travels.
As a kind of preferred structure of the present utility model, in order to distribute power to left and right sidesing driving wheel, this practicality is new
Type pure electric vehicle integrated form dynamical system also includes that differential mechanism, described differential mechanism are arranged on the second planet carrier output
End, described second planet carrier output revolving shaft is connected with the input of differential mechanism, two output ports of differential mechanism
It is connected with left and right sidesing driving wheel by semiaxis respectively.Power can be evenly distributed to left and right by differential mechanism and drive
On wheel.
As a kind of preferred structure of the present utility model, in order to structure is compacter, improve transmission efficiency, this
Utility model pure electric vehicle integrated form dynamical system also include driving rotor, the first sun gear rotating shaft, the
One gear ring rotating shaft, the second sun gear rotating shaft are set axle construction, and the semiaxis being wherein connected with driving wheel runs through
Overdrive rotor sleeve, the first sun gear sleeve, the first gear ring sleeve, the second sun gear sleeve, adopt
Structure can be made compacter with coaxial configuration, and improve transmission efficiency.
Accompanying drawing explanation
Fig. 1 is this utility model pure electric vehicle integrated form dynamical system case study on implementation structural representation;
Label declaration:
10, motor is driven;11, rotor is driven;20, double-pinion planetary train mechanism;
21, the first sun gear;22, expert's star-wheel;23, layman's star-wheel;24, the first gear ring;
25, the first row carrier;26, the first row carrier brake;30, single-planetary gear train mechanism;
31, the second sun gear;32, the second planet carrier;40, differential mechanism;50, clutch;
60, semiaxis;61, driving wheel.
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, below
In conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
Please with reference to Fig. 1, understand as shown in the figure, in certain embodiments, this utility model pure electric vehicle collection
Accepted way of doing sth dynamical system includes housing, double-pinion planetary train mechanism 20, drives motor 10, clutch 50, single-stage
Planetary wheel mechanism 30 and differential mechanism 40;Described double-pinion planetary train mechanism 20 include the first sun gear 21,
Expert's star-wheel 22, layman's star-wheel 23, the first row carrier 25 and the first gear ring 24;Described single-planetary gear train
Mechanism 30 includes second sun gear the 31, second planetary gear, the second planet carrier 32 and the second gear ring;Described drive
Dynamic machine shaft and the first sun gear 21 rotating shaft connect, and described first sun gear 21 engages with expert's star-wheel 22,
Described expert's star-wheel 22 engages with layman's star-wheel 23, and described layman's star-wheel 23 engages with the first gear ring 24,
Described expert's star-wheel 22 and layman's star-wheel 23 are arranged in the first row carrier 25;Described housing is provided with first
Planetary carrier brake 26;Described the first row carrier 25 is connected with the first sun gear 21 by clutch 50;Institute
State the first gear ring 24 and be provided with the first gear ring 24 output revolving shaft, described first gear ring 24 output revolving shaft and second
Sun gear 31 rotating shaft connects, and the second sun gear 31 engages with the second planetary gear, the second planetary gear and the second tooth
Circle engagement, the second planetary gear is arranged on the second planet carrier 32, and the second gear ring is fixedly installed on housing, OK
Carrier is provided with the second planet carrier 32 output revolving shaft, described second planet carrier 32 output revolving shaft and differential mechanism 40
Input connect, two output ports of differential mechanism 40 are connected with left and right sidesing driving wheel 61 by semiaxis respectively,
Rotor, the first sun gear 21 rotating shaft, the first gear ring 24 rotating shaft, the second sun gear 31 rotating shaft is driven to adopt
By set axle construction, the semiaxis 60 being connected with driving wheel 61 penetrates driving rotor sleeve, first sun
Take turns 21 sleeves, the first gear ring 24 sleeve, the second sun gear 31 sleeve.
When vehicle is at low-range drive mode, now the first row carrier brake 26 be in on-position, from
Clutch 50 is in released state, and the first row carrier 25 is braked.When the rotor clockwise driving motor 10 turns
Dynamic, when vehicle advance travels, now the fixed shaft gear train decelerator that acts as of double-pinion planetary train mechanism 20 is
Gear ratio is: the gear ring number of teeth/sun gear number of teeth in k1=double-pinion planetary train mechanism 20, the power of motor is from too
Sun wheel is delivered to the first gear ring 24 through two grades of asteroid wheels, and the first gear ring 24 is by the first gear ring 24 rotating shaft
Output power is to the second sun gear 31 of single-planetary gear train mechanism 30, owing to the second gear ring is fixed, this single-stage
Planetary wheeling mechanism act as decelerator slow down, gear ratio is 1+k2, wherein K2=the second gear ring number of teeth/
Second sun gear 31 number of teeth.Drive motor 10 respectively through double-pinion planetary train mechanism 20 and single under this pattern
The deceleration of level planetary wheel mechanism 30 exports after increasing torsion, is delivered separately to left and right sidesing driving wheel by differential mechanism 40
61, driving wheel 61 can obtain bigger driving torque, can be effectively improved the starting acceleration performance of vehicle.
When vehicle is at high tap position drive pattern: now the first row carrier brake is in release conditions, clutch
Device 50 is in bonding state.So, the first row carrier 25 and the first sun gear 21 become after an entirety one
With operating;When the rotor clockwise driving motor rotates, and vehicle advance travels, now double-pinion planetary train
The transmission shaft driven ratio that acts as of mechanism 20 is 1, because its first gear ring 24, the first row carrier 25 and
First sun gear 21 is together seized on both sides by the arms and is operated together.So, the power of motor 10 is driven to be equivalent to directly pass
Being delivered to the second sun gear 31, power slows down after (gear ratio is 1+k2) through single-planetary gear train mechanism 30,
It is delivered to left and right sidesing driving wheel 61 by differential mechanism 40.Motor 10 is driven to export after slowing down under this pattern,
Driving wheel 61 can obtain medium driving torque, can effectively adapt to the power demand under vehicle high speed travels.
When vehicle is at park mode: now the first row carrier brake 26 is in on-position, clutch 50
It is in bonding state.So, the first row carrier 25 is braked, and brakes the first sun gear 21 further.
Now, double-pinion planetary train mechanism 20 function as power assembly housing, it is impossible to rotate.So, also
This PWTN is made all to be fixed the most further.Under this pattern, it is possible to achieve parking assist function.
When vehicle is in neutral mode: now the first row carrier brake 26 is in release conditions, clutch 50
It is in released state.Double-pinion planetary train mechanism 20 has 2DOF, drives the power input of motor 10
Driving wheel 61 cannot be delivered to.This pattern is applicable to the operating mode such as vehicle sliding and vehicle mis-usage.
This utility model pure electric vehicle integrated form dynamical system achieves above mode of operation, and first sun
Take turns 21 rotating shafts, drive machine shaft, the first gear ring 24 output revolving shaft and driving wheel 61 axle to use with axiation collection
Become design, i.e. drive rotor, the first sun gear 21 rotating shaft, the first gear ring 24 rotating shaft, second sun
Taking turns 31 rotating shafts is set axle construction, and the semiaxis 60 being wherein connected with driving wheel 61 penetrates driving motor and turns
Sub-set axle, the first sun gear 21 sleeve, the first gear ring 24 sleeve, the second sun gear 31 sleeve;Use same
Axle construction can make structure compacter, and improves the compactest structure of transmission efficiency, also improves
Transmission efficiency.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model,
Every equivalent shapes utilizing this utility model description and accompanying drawing content to be made or reconfiguration, or directly or
Indirectly it is used in other relevant technical fields, is the most in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a pure electric vehicle integrated form dynamical system, it is characterised in that: include housing, double-pinion planetary train machine
Structure, driving motor and clutch;Described double-pinion planetary train mechanism include the first sun gear, expert's star-wheel,
Layman's star-wheel, the first row carrier and the first gear ring;Described driving machine shaft and the first sun gear rotating shaft connect,
Described first sun gear engages with expert's star-wheel, and described expert's star-wheel engages with layman's star-wheel, described outer planet
Wheel engages with the first gear ring, and described expert's star-wheel and layman's star-wheel are arranged in the first row carrier;Described housing
It is provided with the first row carrier brake;Described the first row carrier is connected by clutch and the first sun gear;Institute
Stating the first gear ring and be provided with the first gear ring output revolving shaft, described first gear ring output revolving shaft is connected with driving wheel;
Described first sun gear rotating shaft, driving machine shaft, the first gear ring output revolving shaft and live axle are coaxially disposed.
Pure electric vehicle integrated form dynamical system the most according to claim 1, it is characterised in that: also include list
Level planetary wheel mechanism, described single-planetary gear train mechanism is arranged on the first gear ring output revolving shaft end;Described list
Level planetary wheel mechanism includes the second sun gear, the second planetary gear, the second planet carrier and the second gear ring;First
Gear ring output revolving shaft and the second sun gear rotating shaft connect, the second sun gear and the engagement of the second planetary gear, the second row
Star-wheel and the engagement of the second gear ring, the second planetary gear is arranged on the second planet carrier, and the second gear ring is fixedly installed on
On housing, the second planet carrier is provided with the second planet carrier output revolving shaft.
Pure electric vehicle integrated form dynamical system the most according to claim 2, it is characterised in that: it is poor also to include
Speed device, described differential mechanism is arranged on the second planet carrier outfan, described second planet carrier output revolving shaft and differential
The input of device connects, and two output ports of differential mechanism are connected with left and right sidesing driving wheel by semiaxis respectively.
Pure electric vehicle integrated form dynamical system the most according to claim 3, it is characterised in that: drive motor
Rotor, the first sun gear rotating shaft, the first gear ring rotating shaft, the second sun gear rotating shaft are set axle construction, Qi Zhongyi
Semiaxis penetrates driving rotor sleeve, the first sun gear sleeve, the first gear ring sleeve, the second sun gear
Sleeve.
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CN201620359635.5U CN205534190U (en) | 2016-04-26 | 2016-04-26 | Electricelectric motor car integrated form driving system |
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CN201620359635.5U CN205534190U (en) | 2016-04-26 | 2016-04-26 | Electricelectric motor car integrated form driving system |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106143131A (en) * | 2016-09-20 | 2016-11-23 | 湖南早禾新能源汽车有限公司 | Sleeve rotor motor and folk art term planetary reduction gear band differential electric automobile dynamic system |
CN106870683A (en) * | 2017-04-21 | 2017-06-20 | 吉林大学 | A kind of electric differential mechanism with torque fixed direction allocation function |
CN107320182A (en) * | 2017-07-31 | 2017-11-07 | 成都中科博恩思医学机器人有限公司 | Drive wheel assemblies and operating table underbody seat for operating table underbody seat |
CN107738569A (en) * | 2017-10-27 | 2018-02-27 | 北京理工华创电动车技术有限公司 | A kind of bi-motor single planetary bevel gear system electric driver |
CN111094795A (en) * | 2017-09-19 | 2020-05-01 | 舍弗勒技术股份两合公司 | Front wheel drive hybrid |
CN111873711A (en) * | 2020-07-03 | 2020-11-03 | 北方汤臣传动科技有限公司 | Compact electric drive axle |
CN113137456A (en) * | 2021-05-18 | 2021-07-20 | 杨岳潜 | Pure electric high-speed reduction gearbox |
CN113276600A (en) * | 2021-06-29 | 2021-08-20 | 北京北方车辆新技术孵化器有限公司 | Coaxial two-gear electric drive axle |
CN113910881A (en) * | 2021-11-24 | 2022-01-11 | 中国重汽集团济南动力有限公司 | Electric drive axle based on clutch planet shifts |
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2016
- 2016-04-26 CN CN201620359635.5U patent/CN205534190U/en not_active Expired - Fee Related
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106143131A (en) * | 2016-09-20 | 2016-11-23 | 湖南早禾新能源汽车有限公司 | Sleeve rotor motor and folk art term planetary reduction gear band differential electric automobile dynamic system |
CN106870683A (en) * | 2017-04-21 | 2017-06-20 | 吉林大学 | A kind of electric differential mechanism with torque fixed direction allocation function |
CN106870683B (en) * | 2017-04-21 | 2023-04-07 | 吉林大学 | Electric differential mechanism with torque directional distribution function |
CN107320182A (en) * | 2017-07-31 | 2017-11-07 | 成都中科博恩思医学机器人有限公司 | Drive wheel assemblies and operating table underbody seat for operating table underbody seat |
CN111094795A (en) * | 2017-09-19 | 2020-05-01 | 舍弗勒技术股份两合公司 | Front wheel drive hybrid |
CN107738569A (en) * | 2017-10-27 | 2018-02-27 | 北京理工华创电动车技术有限公司 | A kind of bi-motor single planetary bevel gear system electric driver |
CN111873711A (en) * | 2020-07-03 | 2020-11-03 | 北方汤臣传动科技有限公司 | Compact electric drive axle |
CN111873711B (en) * | 2020-07-03 | 2021-10-29 | 北方汤臣传动科技有限公司 | Compact electric drive axle |
CN113137456A (en) * | 2021-05-18 | 2021-07-20 | 杨岳潜 | Pure electric high-speed reduction gearbox |
CN113276600A (en) * | 2021-06-29 | 2021-08-20 | 北京北方车辆新技术孵化器有限公司 | Coaxial two-gear electric drive axle |
CN113910881A (en) * | 2021-11-24 | 2022-01-11 | 中国重汽集团济南动力有限公司 | Electric drive axle based on clutch planet shifts |
CN113910881B (en) * | 2021-11-24 | 2023-12-12 | 中国重汽集团济南动力有限公司 | Electric drive axle based on clutch planet gear shifting |
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GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170426 |