CN203035866U - Electrocar transmission of front-arranged planetary gear train - Google Patents
Electrocar transmission of front-arranged planetary gear train Download PDFInfo
- Publication number
- CN203035866U CN203035866U CN 201220583557 CN201220583557U CN203035866U CN 203035866 U CN203035866 U CN 203035866U CN 201220583557 CN201220583557 CN 201220583557 CN 201220583557 U CN201220583557 U CN 201220583557U CN 203035866 U CN203035866 U CN 203035866U
- Authority
- CN
- China
- Prior art keywords
- planetary gear
- gear train
- transmission
- gear
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Retarders (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses an electrocar transmission of a front-arranged planetary gear train. The electrocar transmission comprises a main variable transmission system and a planetary gear train body which transmits power to the main variable transmission system. The main variable transmission system is a two-gear variable transmission system. According to the electrocar transmission of the front-arranged planetary gear train, the structure of the combination of the main variable transmission system and the planetary gear train body which transmits the power to the main variable transmission system is adopted, and under the premise that the size is not enlarged greatly, the carrying capacity, the transmitted power range and the transmission range of a motor and the transmission system are increased. Due to the fact that transmission sudden change is avoided, running noise is reduced, transmission efficiency is improved, and the service life of the transmission system is prolonged.
Description
Technical field
The utility model relates to a kind of automotive component, particularly a kind of electric vehicle transmission of preposition planetary gear train.
Background technique
Electric motor car (two-wheeled, three-wheel and electric vehicle) is that the motivational drive electric vehicle travels with vehicle-mounted power accumulator, because that electric motor car has energy-saving and environmental protection is light, and cost of use is lower, more and more comes into one's own.
Electric motor car generally comprises power supply, motor, speed changer, walking assembly and control system, because the operation characteristic of motor, the speed changer of electric motor car does not generally adopt a grade speed change, directly controls the speed of a motor vehicle by the regulating and controlling motor speed; And for the bigger uphill way of output torque, utilize existing single speed changer structure, can only increase the purpose that electric weight output reaches climbing, then can cause the more waste of electric weight, and, because the more level land of considering of speed changer structure travels, thereby, it is unsatisfactory for the effect that climbing reaches to increase electric weight output, even sometimes the motor rotation blockage phenomenon can occur.
In the prior art, even the motor vehicle of other type, in other words in the two speed transmission that the application's claimant develops, be directly by motor power to be imported, when the load with sudden change, bearing capacity is not strong yet, transmitted power scope and transmission range are big inadequately, therefore running noises is big, and transmission efficiency is low, influences the working life of speed changer.
Therefore, need improve existing electric vehicle transmission, under the prerequisite of not bigger increase volume, increase bearing capacity, transmitted power scope and transmission range, reduce running noises, improve the transmission efficiency height and prolong the life-span of transmission system.
The model utility content
In view of this, the utility model provides a kind of electric vehicle transmission of preposition planetary gear train, under the prerequisite of not bigger increase volume, increases bearing capacity, transmitted power scope and transmission range, reduce running noises, improve the transmission efficiency height and prolong the life-span of transmission system.
The electric vehicle transmission of preposition planetary gear train of the present utility model comprises main transformer speed transmission system and power is transferred to the planetary gear train of main transformer speed transmission system that described main transformer speed transmission system is two grades of variable ratio drive systems.
Further, described main transformer speed transmission system is provided with power input shaft, and the planet carrier of described planetary gear train cooperates with the power input shaft transmission as the clutch end of planetary gear train, and described planetary gear train is by its sun gear input power;
Further, described planet carrier is provided with the integrally formed driving sleeve that is provided with that stretches out, and described driving sleeve is coated at power input shaft and cooperates with its transmission by spline; The planet wheel of described planetary gear train is rotatably assorted and is coated on the planet wheel shaft that is fixed with on the planet carrier;
Further, described main transformer speed transmission system is provided with main transformer speed housing, and planetary gear train is provided with the planetary gear train housing, and the ring gear of described main transformer speed housing, planetary gear train housing and planetary gear train is connected to one; Described sun gear transmission cooperates and is coated at a sun wheel shaft, and described sun wheel shaft and planetary gear train housing are rotatably assorted and to stretch out epicyclic train shell external for importing power;
Further, described two grades of variable ratio drive systems comprise pto, fast shelves driving gear, fast shelves driven gear, slow shelves driving gear, slow shelves driven gear and described power input shaft, and described pto and power input shaft are respectively can be arranged at main transformer speed housing around the mode that self axis rotates; Described fast shelves driven gear and the engagement of fast shelves driving gear, described slow shelves driven gear and the engagement of slow shelves driving gear, described fast shelves driving gear and slow shelves driving gear transmission respectively are equipped with in power input shaft, fast shelves driven gear and slow shelves driven gear are set in rotation with pto respectively, be coated at pto in the mode of the circumferencial direction transmission that can endwisely slip and be provided with the gear shift coupling between fast shelves driven gear and slow shelves driven gear, described gear shift coupling can engage transmission respectively with fast shelves driven gear or a slow shelves driven gear;
Further, also comprise differential mechanism, described pto cooperates with the power intake transmission of differential mechanism, and differential mechanism is provided with as its power intake and with the differential mechanism of power output gear engagement and imports gear;
Further, described differential mechanism is installed in the housing, differential mechanism input gear cooperates with the differential casing transmission of differential mechanism, the two ends, the left and right sides of differential casing are rotatably assorted respectively and are supported in housing, and the power of the left and right sides sun gear of differential mechanism output semiaxis correspondence respectively is rotatably assorted and is placed in differential casing in coaxial and is used for outputting power;
Further, fast shelves driven gear and slow shelves driven gear are set in rotation with pto by the needle bearing of correspondence respectively;
Further, described planetary gear train housing comprises housing body and gland, and described ring gear fixedly is pressed on housing body by gland.
The beneficial effects of the utility model: the electric vehicle transmission of preposition planetary gear train of the present utility model, adopt main transformer speed transmission system and power is transferred to the planetary gear train structure combining of main transformer speed transmission system, under the prerequisite of not bigger increase volume, increase bearing capacity, transmitted power scope and the transmission range of motor and transmission system, owing to avoided the transmission sudden change, reduce running noises, improve the transmission efficiency height and prolong the life-span of transmission system.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is structural representation of the present utility model.
Embodiment
Fig. 1 is the utility model gearshift assembly structure schematic representation, as shown in the figure: the electric vehicle transmission of the preposition planetary gear train of present embodiment, comprise main transformer speed transmission system and power is transferred to the planetary gear train of main transformer speed transmission system, described main transformer speed transmission system is two grades of variable ratio drive systems; Planetary gear train and prior art constructions, comprise sun gear 22, planet wheel 20, ring gear 21 and planet carrier 17, planet carrier 17 is fixed with planet wheel shaft 19, in the transmission, generally adopt ring gear 22 fixing, by sun gear 22 input power, by planet carrier 17 outputting powers, also can adopt planet carrier 17 fixing, ring gear 22 outputting powers are set according to structure.
In the present embodiment, described main transformer speed transmission system is provided with power input shaft 1, and the planet carrier 17 of described planetary gear train cooperates with power input shaft 1 transmission as the clutch end of planetary gear train, and described planetary gear train is by its sun gear 22 input power; The power transmission means of this structure is simple and compact for structure, volume is little, and it is comparatively convenient to arrange, conserve space.
In the present embodiment, described planet carrier 17 is provided with the integrally formed driving sleeve 17a that is provided with that stretches out, described driving sleeve 17a is coated at power input shaft 1 and cooperates with its transmission by spline, and namely driving sleeve is provided with internal spline, and power input shaft is provided with the external splines that is mated; The planet wheel 20 of described planetary gear train is rotatably assorted and is coated on the planet wheel shaft 19 that is fixed with on the planet carrier 17;
In the present embodiment, described main transformer speed transmission system is provided with main transformer speed housing 13, planetary gear train is provided with the planetary gear train housing, the ring gear 22 of planetary gear train is connected to one with described main transformer speed housing 13 and planetary gear train housing 13, as shown in the figure, described planetary gear train housing comprises housing body 18 and gland 24, and described ring gear 21 fixedly is pressed on housing body 18 by gland 24, form the monolithic construction of sealing, have integration preferably; Described sun gear 22 transmissions cooperate and are coated at a sun wheel shaft 23, and described sun wheel shaft 23 is rotatably assorted with the planetary gear train housing and to stretch out epicyclic train shell external for input power; Simple and compact for structure, installation and removal are convenient, and user cost is saved in convenient for maintaining and maintenance.
In the present embodiment, described two grades of variable ratio drive systems comprise power input shaft 1, pto 10, fast shelves driving gear 14, fast shelves driven gear 8, slow shelves driving gear 12 and slow shelves driven gear 11, described fast shelves driven gear 8 and fast shelves driving gear 14 engagements, described slow shelves driven gear 11 and slow shelves driving gear 12 engagements, described fast shelves driving gear 14 and slow shelves driving gear 12 transmission respectively are equipped with in power input shaft 1, can be integrally formed structure, also can be that split type employing assembly technology is installed; Fast shelves driven gear 8 and slow shelves driven gear 11 are set in rotation with pto 10 respectively, be coated at pto 10 in the mode of the circumferencial direction transmission that can endwisely slip and be provided with gear shift coupling 9 between fast shelves driven gear 8 and slow shelves driven gear 11, described gear shift coupling 9 can engage transmission respectively with fast shelves driven gear 8 or a slow shelves driven gear 11; As shown in the figure, gear shift coupling 9 is between fast shelves driven gear 8 and slow shelves driven gear 11, gear shift coupling 9 is provided with external tooth, fast shelves driven gear 8 and slow shelves driven gear 11 be respectively equipped with can with the internal tooth of this external tooth engagement, gear shift coupling 9 is neutral position when the centre, and axially slip is then finished and the engaging and transmission of fast shelves driven gear 8 or slow shelves driven gear 11 under external force drives; Certainly, soldered tooth and juncture that gear shift coupling 9, fast shelves driven gear 8 and slow shelves driven gear 11 are equipped with necessary joint transmission all belong to prior art, do not repeat them here; The structure realization of employing gear shift coupling 9, fast shelves driven gear 8 and slow shelves driven gear 11 is shifted, simple and compact for structure, and fabricating cost is low, be applicable to light electric motor car, be beneficial to relative reduction integral vehicle cost, and compare with existing electric motor car, cost there is no more increase.
In the present embodiment, also comprise differential mechanism 4, described pto 10 cooperates with the power intake transmission of differential mechanism 4; Differential mechanism 4 is set, makes the utility model can directly apply to three-wheeled electric vehicle and four-wheel electric motor car, have integrated performance preferably.
In the present embodiment, described pto 10 transmissions cooperation is provided with power output gear 2, and differential mechanism is provided with as power intake and with the differential mechanism of power output gear engagement and imports gear 5, adopts the gear engagement pair that power is inputed to differential mechanism, the transmission efficiency height, compact structure.
In the present embodiment, described differential mechanism is installed in the housing 13, differential mechanism input gear 5 cooperates with differential casing 6 transmissions of differential mechanism, the two ends, the left and right sides of differential casing 6 are rotatably assorted respectively and are supported in housing 13, as shown in the figure, differential mechanism 4 is prior art constructions, and the sun gear (figure is left sun gear 3 and right sun gear 6) that comprises planet wheel and be used for outputing power does not repeat them here; The left and right sides sun gear of differential mechanism (left sun gear 3 and right sun gear 7, this sentence on the figure about be as the criterion, during use, a left side sun gear 3 and right sun gear 7 can be each other about) power output semiaxis respectively correspondence be rotatably assorted and be placed in differential casing 6 in coaxial and be used for outputting power, as shown in the figure, the planet wheel 4 of differential mechanism is being arranged at differential casing 6 around the mode that self axis rotates, can be by the planet wheel shaft setting, it also can be direct setting, belong to prior art constructions, do not repeat them here; The two ends, the left and right sides of differential casing 6 are respectively equipped with to be rotatably assorted and are supported in the central axle sleeve of housing 6, and the power of left sun gear 3 and right sun gear 7 output semiaxis corresponding being rotatably assorted respectively is placed in the central axle sleeve of housing in coaxial; The cooperating structure of differential mechanism and housing 6 makes the utility model compact structure, and drive mechanism is sealed to one, forms rear-mounted structure, saves installing space.
In the present embodiment, as shown in the figure, fast shelves driven gear 8 and slow shelves driven gear 11 are set in rotation with pto 10, compact structure by corresponding needle bearing (needle bearing 15 and needle bearing 16) respectively, rotational stability is good, is suitable for stablizing smooth and easy and vibrates little transmission.
In the utility model, the annular bearing with rolling contact by necessity between the two ends of power input shaft 1 and pto 10 and differential casing 6 and the housing 13 is rotatably assorted, and belongs to the cooperating structure of prior art, does not repeat them here; In the utility model, transmission cooperates the mode that refers to transferring power to cooperate, and comprises engagement driving, spline transmission cooperation etc.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (9)
1. the electric vehicle transmission of a preposition planetary gear train is characterized in that: comprise main transformer speed transmission system and power is transferred to the planetary gear train of main transformer speed transmission system, described main transformer speed transmission system is two grades of variable ratio drive systems.
2. the electric vehicle transmission of preposition planetary gear train according to claim 1, it is characterized in that: described main transformer speed transmission system is provided with power input shaft, the planet carrier of described planetary gear train cooperates with the power input shaft transmission as the clutch end of planetary gear train, and described planetary gear train is by its sun gear input power.
3. the electric vehicle transmission of preposition planetary gear train according to claim 2, it is characterized in that: described planet carrier is provided with the integrally formed driving sleeve that is provided with that stretches out, and described driving sleeve is coated at power input shaft and cooperates with its transmission by spline; The planet wheel of described planetary gear train is rotatably assorted and is coated on the planet wheel shaft that is fixed with on the planet carrier.
4. the electric vehicle transmission of preposition planetary gear train according to claim 3, it is characterized in that: described main transformer speed transmission system is provided with main transformer speed housing, planetary gear train is provided with the planetary gear train housing, and the ring gear of described main transformer speed housing, planetary gear train housing and planetary gear train is connected to one; Described sun gear transmission cooperates and is coated at a sun wheel shaft, and described sun wheel shaft and planetary gear train housing are rotatably assorted and to stretch out epicyclic train shell external for importing power.
5. the electric vehicle transmission of preposition planetary gear train according to claim 4, it is characterized in that: described two grades of variable ratio drive systems comprise pto, fast shelves driving gear, fast shelves driven gear, slow shelves driving gear, slow shelves driven gear and described power input shaft, and described pto and power input shaft are respectively can be arranged at main transformer speed housing around the mode that self axis rotates; Described fast shelves driven gear and the engagement of fast shelves driving gear, described slow shelves driven gear and the engagement of slow shelves driving gear, described fast shelves driving gear and slow shelves driving gear transmission respectively are equipped with in power input shaft, fast shelves driven gear and slow shelves driven gear are set in rotation with pto respectively, be coated at pto in the mode of the circumferencial direction transmission that can endwisely slip and be provided with the gear shift coupling between fast shelves driven gear and slow shelves driven gear, described gear shift coupling can engage transmission respectively with fast shelves driven gear or a slow shelves driven gear.
6. the electric vehicle transmission of preposition planetary gear train according to claim 5, it is characterized in that: also comprise differential mechanism, described pto cooperates with the power intake transmission of differential mechanism, and differential mechanism is provided with as its power intake and with the differential mechanism of power output gear engagement and imports gear.
7. the electric vehicle transmission of preposition planetary gear train according to claim 6, it is characterized in that: described differential mechanism is installed in the housing, differential mechanism input gear cooperates with the differential casing transmission of differential mechanism, the two ends, the left and right sides of differential casing are rotatably assorted respectively and are supported in housing, and the power of the left and right sides sun gear of differential mechanism output semiaxis correspondence respectively is rotatably assorted and is placed in differential casing in coaxial and is used for outputting power.
8. the electric vehicle transmission of preposition planetary gear train according to claim 5 is characterized in that: fast shelves driven gear and a slow shelves driven gear are set in rotation with pto by the needle bearing of correspondence respectively.
9. the electric vehicle transmission of preposition planetary gear train according to claim 4, it is characterized in that: described planetary gear train housing comprises housing body and gland, and described ring gear fixedly is pressed on housing body by gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583557 CN203035866U (en) | 2012-11-07 | 2012-11-07 | Electrocar transmission of front-arranged planetary gear train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583557 CN203035866U (en) | 2012-11-07 | 2012-11-07 | Electrocar transmission of front-arranged planetary gear train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203035866U true CN203035866U (en) | 2013-07-03 |
Family
ID=48687995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220583557 Expired - Fee Related CN203035866U (en) | 2012-11-07 | 2012-11-07 | Electrocar transmission of front-arranged planetary gear train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203035866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333084A (en) * | 2015-12-10 | 2016-02-17 | 湖南大学 | Speed change mechanism of automatic two-gear transmission |
-
2012
- 2012-11-07 CN CN 201220583557 patent/CN203035866U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333084A (en) * | 2015-12-10 | 2016-02-17 | 湖南大学 | Speed change mechanism of automatic two-gear transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202986822U (en) | Rear axle drive assembly of electric vehicle | |
| CN103010016A (en) | Rear axle driving assembly for electrocar | |
| CN103434379B (en) | Motor vehicle dual-motor automatic gear shifting control system | |
| CN202753777U (en) | Rear axle assembly of two-gear integrated automated mechanical transmission (AMT) gearbox for electric vehicle | |
| CN203548721U (en) | Dual power input speed control system | |
| CN202992046U (en) | Electric vehicle two-gear manual variable speed driving system | |
| CN114013263B (en) | Four-mode double-motor coupling electric drive axle | |
| CN202753775U (en) | Two-gear integrated automated mechanical transmission (AMT) gearbox for electric vehicle | |
| CN105270562A (en) | Side-hanging pendulum type self-adaptive automatic transmission driving assembly for electric motorcycle | |
| CN207916551U (en) | Oil and electricity hybrid vehicle transmission assembly | |
| CN202914646U (en) | Integral input type electric vehicle transmission of pre-positioned planetary gear train | |
| CN102490597B (en) | Power assembly system for automatic speed change of electric automobile | |
| CN102927220B (en) | The imported electric vehicle transmission of entirety of preposition planet circular system | |
| CN103352963A (en) | Double-power-input speed-changing system | |
| CN203035866U (en) | Electrocar transmission of front-arranged planetary gear train | |
| CN207364195U (en) | A kind of parallel Dual-motors Driving transmission assembly | |
| CN202992049U (en) | Three-speed transmission of electric vehicle | |
| CN103016645A (en) | Reverse gear type three-gear transmission for electrocar | |
| CN202756548U (en) | Electric vehicle manual variable speed drive assembly | |
| CN203172848U (en) | Electric motorcycle and CVT infinitely variable driving system thereof | |
| CN201457687U (en) | Speed-change gear-shift drive assembly of motorcycle | |
| CN209454539U (en) | Two gear coaxial powers shift power drive systems | |
| CN203713520U (en) | Hybrid power driving rear axle | |
| CN103016644A (en) | Three-gear transmission of electric vehicle | |
| CN202992052U (en) | Reverse-gear-type three-gear transmission of electric motorcar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20161107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |