CN202914646U - Integral input type electric vehicle transmission of pre-positioned planetary gear train - Google Patents
Integral input type electric vehicle transmission of pre-positioned planetary gear train Download PDFInfo
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- CN202914646U CN202914646U CN201220590543XU CN201220590543U CN202914646U CN 202914646 U CN202914646 U CN 202914646U CN 201220590543X U CN201220590543X U CN 201220590543XU CN 201220590543 U CN201220590543 U CN 201220590543U CN 202914646 U CN202914646 U CN 202914646U
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Abstract
The utility model discloses an integral input type electric vehicle transmission of a pre-positioned planetary gear train. The integral input type electric vehicle transmission comprises a main variable speed drive system and the planetary gear train which transmits power into the main variable speed drive system. The main variable speed drive system is provided with a power input shaft. A planet carrier of the planetary gear train is used as a power output end of the planetary gear train and integrally formed with the power input shaft. Due to the fact that the planet carrier and the power input shaft of the main variable speed drive system are integrally formed, and bearing capacity, transmitted power range and drive range of a motor and the drive system are increased. Due to the fact that drive sudden changes are avoided, running noise is reduced, drive efficiency is improved, and service life of the drive system is prolonged. At the same time, the integral drive chain structure enables the structure not to be increased obviously in size when being provided with the pre-positioned planetary gear train. In addition, drive is stable, the problem of low efficiency caused by a middle drive connecting pair is avoided, the whole drive system is enabled to be stable in structure, strong in integrity, good in integration, convenient to maintain and overhaul, and capable of reducing manufacturing cost and manufacturing process.
Description
Technical field
The utility model relates to a kind of automotive component, particularly a kind of whole imported electric vehicle transmission of preposition planetary gear train.
Background technique
Electric motor car (two-wheeled, three-wheel and electric vehicle) travels take vehicle-mounted power accumulator as the motivational drive electric vehicle, 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 comes regulation speed by the regulating and controlling motor speed; And for the larger 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 the two speed transmission that the application's claimant develops in other words, be directly by motor power to be inputted, when the load with sudden change, bearing capacity is not strong yet, transmitted power scope and transmission range are large not, therefore running noises is large, and transmission efficiency is low, affects the working life of speed changer; As adopt under the condition of the preposition speed change of increase system, then can make whole speed changer structure complicated, bulky, be not suitable for the Lightweight Vehicless such as electric motor car.
Therefore, need to improve existing electric vehicle transmission, 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, and volume and not obvious increase, structure is comparatively compact.
The model utility content
In view of this, the utility model provides a kind of whole imported electric vehicle transmission of preposition planetary gear train, 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, and volume and not obvious increase, structure are comparatively compact.
The whole imported electric vehicle transmission of preposition planetary gear train of the present utility model comprises main transformer speed transmission system and with the planetary gear train of power transmission to main transformer speed transmission system; Described main transformer speed transmission system is provided with power input shaft, and the planet carrier of described planetary gear train is integrally formed as clutch end and the power input shaft of planetary gear train.
Further, described planetary gear train is by its sun gear input power, and described sun gear transmission is equipped with in a sun wheel shaft, and described planet carrier is disk-like structure and is provided with a hole along its axis that described sun wheel shaft is rotatably assorted and is supported in a hole.
Further, 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 input power;
Further, described main transformer speed transmission system is two grades of variable ratio drive systems, comprise pto＝power take-off, fast shelves driving gear, fast shelves driven gear, slow shelves driving gear, slow shelves driven gear and described power input shaft, described pto＝power take-off and power input shaft are respectively can be arranged at around the mode that self axis rotates main transformer speed housing; 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 respectively transmission are equipped with in power input shaft, fast shelves driven gear and slow shelves driven gear are set in rotation with respectively pto＝power take-off, be coated at pto＝power take-off 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 respectively transmission with fast shelves driven gear or a slow shelves driven gear;
Further, also comprise differential mechanism, described pto＝power take-off cooperates with the power intake transmission of differential mechanism, differential mechanism be provided with as its power intake and with the differential mechanism input gear of power output gear engagement;
Further, described differential mechanism is installed in the housing, the 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 output axle shaft of the left and right sides sun gear of differential mechanism respectively correspondence 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＝power take-off 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 whole imported electric vehicle transmission of preposition planetary gear train of the present utility model, the structure that adopts main transformer speed transmission system and power transmission to the planetary gear train of main transformer speed transmission system is combined, and the power output planetary frame of planetary gear train and the power input shaft of main transformer speed system are integrally formed, 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; Simultaneously, prerequisite lower volume and not obvious increase that whole Transmitted chains structure makes this structure in preposition speed change be, and transmission is stable, the Efficiency Decreasing of avoiding the intermediate transmission auxiliary connection to cause, so that whole drive system structure is firm, integrity is strong, and has preferably integration, maintain easily and overhaul, and reduce manufacture cost and manufacturing process.
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, and as shown in the figure: the whole imported electric vehicle transmission of the preposition planetary gear train of present embodiment comprises main transformer speed transmission system and with the planetary gear train of power transmission to main transformer speed transmission system; Described main transformer speed transmission system is provided with power input shaft, and the planet carrier of described planetary gear train is integrally formed as clutch end and the power input shaft of planetary gear train; Main transformer speed transmission system is the transmission system that directly outputs power, and can be one grade, two grades and above speed variator system, also can be automatic speed-changing system etc.; The structure of planetary gear train and prior art, 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 powers, 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 planetary gear train is by its sun gear 22 input powers, described sun gear transmission is equipped with in a sun wheel shaft, described planet carrier 17 is provided with a hole 17a for disk-like structure and along its axis, described sun wheel shaft 23 is rotatably assorted and is supported in a hole 17a, the power transmission mode of this structure is simple and compact for structure, volume is little, and it is comparatively convenient to arrange, conserve space; Simultaneously, because sun wheel shaft 23 directly is supported in planet carrier 17, have preferably balance, prevent that it from bearing deflecting torque, thereby prevent eccentric wear.
In the present embodiment, 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 preferably integration; 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 main transformer speed transmission system is two grades of variable ratio drive systems, described two grades of variable ratio drive systems comprise power input shaft 1, pto＝power take-off 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 respectively transmission 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 respectively pto＝power take-off 10, be coated at pto＝power take-off 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 respectively transmission 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 the relative reduce 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＝power take-off 10 cooperates with the power intake transmission of differential mechanism 4; Differential mechanism 4 is set, so that the utility model can directly apply to three-wheeled electric vehicle and four-wheel electric motor car, has preferably integrated performance.
In the present embodiment, described pto＝power take-off 10 transmissions cooperate and are provided with power output gear 2, differential mechanism be provided with as power intake and with the differential mechanism input gear 5 of power output gear engagement, adopt the gear engagement pair that power is inputed to differential mechanism, transmission efficiency is high, 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 the structure of prior art, 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, left sun gear 3 and right sun gear 7 can be each other about) the power output axle shaft 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 the structure of prior art, 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 output axle shaft of left sun gear 3 and right sun gear 7 respectively corresponding being rotatably assorted 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＝power take-off 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＝power take-off 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 drived 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 whole imported electric vehicle transmission of a preposition planetary gear train is characterized in that: comprise main transformer speed transmission system and with the planetary gear train of power transmission to main transformer speed transmission system; Described main transformer speed transmission system is provided with power input shaft, and the planet carrier of described planetary gear train is integrally formed as clutch end and the power input shaft of planetary gear train.
2. the whole imported electric vehicle transmission of preposition planetary gear train according to claim 1, it is characterized in that: described planetary gear train is by its sun gear input power, described sun gear transmission is equipped with in a sun wheel shaft, described planet carrier is disk-like structure and is provided with a hole along its axis that described sun wheel shaft is rotatably assorted and is supported in a hole.
3. the whole imported electric vehicle transmission of preposition planetary gear train according to claim 2, it is characterized in that: 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 whole imported 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 input power.
5. the whole imported electric vehicle transmission of preposition planetary gear train according to claim 4, it is characterized in that: described main transformer speed transmission system is two grades of variable ratio drive systems, comprise pto＝power take-off, fast shelves driving gear, fast shelves driven gear, slow shelves driving gear, slow shelves driven gear and described power input shaft, described pto＝power take-off and power input shaft are respectively can be arranged at around the mode that self axis rotates main transformer speed housing; 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 respectively transmission are equipped with in power input shaft, fast shelves driven gear and slow shelves driven gear are set in rotation with respectively pto＝power take-off, be coated at pto＝power take-off 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 respectively transmission with fast shelves driven gear or a slow shelves driven gear.
6. the whole imported electric vehicle transmission of preposition planetary gear train according to claim 5, it is characterized in that: also comprise differential mechanism, described pto＝power take-off cooperates with the power intake transmission of differential mechanism, differential mechanism be provided with as its power intake and with the differential mechanism input gear of power output gear engagement.
7. the whole imported 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, the 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 output axle shaft of the left and right sides sun gear of differential mechanism respectively correspondence is rotatably assorted and is placed in differential casing in coaxial and is used for outputting power.
8. the whole imported 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＝power take-off by the needle bearing of correspondence respectively.
9. the whole imported 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 |
|---|---|---|---|
| CN201220590543XU CN202914646U (en) | 2012-11-09 | 2012-11-09 | Integral input type electric vehicle transmission of pre-positioned planetary gear train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220590543XU CN202914646U (en) | 2012-11-09 | 2012-11-09 | Integral input type electric vehicle transmission of pre-positioned planetary gear train |
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| Publication Number | Publication Date |
|---|---|
| CN202914646U true CN202914646U (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220590543XU Withdrawn - After Issue CN202914646U (en) | 2012-11-09 | 2012-11-09 | Integral input type electric vehicle transmission of pre-positioned planetary gear train |
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| Country | Link |
|---|---|
| CN (1) | CN202914646U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927220A (en) * | 2012-11-09 | 2013-02-13 | 重庆隆旺机电有限责任公司 | Overall input type electric car transmission with preposed planetary gear train |
| CN107571726A (en) * | 2017-09-19 | 2018-01-12 | 陕西法士特齿轮有限责任公司 | High speed pure electric automobile external toothing variable ratio drive system |
| CN107588156A (en) * | 2017-09-19 | 2018-01-16 | 陕西法士特齿轮有限责任公司 | High speed pure electric automobile planetary gear variable ratio drive system |
-
2012
- 2012-11-09 CN CN201220590543XU patent/CN202914646U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927220A (en) * | 2012-11-09 | 2013-02-13 | 重庆隆旺机电有限责任公司 | Overall input type electric car transmission with preposed planetary gear train |
| CN102927220B (en) * | 2012-11-09 | 2016-08-03 | 重庆隆旺机电有限责任公司 | The imported electric vehicle transmission of entirety of preposition planet circular system |
| CN107571726A (en) * | 2017-09-19 | 2018-01-12 | 陕西法士特齿轮有限责任公司 | High speed pure electric automobile external toothing variable ratio drive system |
| CN107588156A (en) * | 2017-09-19 | 2018-01-16 | 陕西法士特齿轮有限责任公司 | High speed pure electric automobile planetary gear variable ratio drive system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130501 Effective date of abandoning: 20160803 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |