CN204755809U - Planetary gear formula variable speed differential mechanism assembly - Google Patents
Planetary gear formula variable speed differential mechanism assembly Download PDFInfo
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- CN204755809U CN204755809U CN201520492899.3U CN201520492899U CN204755809U CN 204755809 U CN204755809 U CN 204755809U CN 201520492899 U CN201520492899 U CN 201520492899U CN 204755809 U CN204755809 U CN 204755809U
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Abstract
The utility model discloses a planetary gear formula variable speed differential mechanism assembly, including first input end, second input, planetary gear set spare, derailleur and output differential mechanism, first input end and second input respectively the transmission connect in the sun gear of planetary gear set spare and outer ring gear and the planet carrier through planetary gear set spare transmit power extremely in proper order derailleur and output differential mechanism, consequently, the utility model discloses a planetary gear formula variable speed differential mechanism assembly can use two power device as power, and simultaneously, it is poor to have the rotational speed between two power device output shafts to increase substantially the dynamic performance of electric motor car.
Description
Technical field
The utility model relates to motor vehicle components field, specifically a kind of planetary gear type Transaxle assembly.
Background technique
Motor Vehicle is divided into electric motor car (two-wheeled, three-wheel and electric vehicle) and take motor as the vehicle of power, electric motor car is for motivational drive electric vehicle travels with onboard power storage battery, because electric motor car has the light feature of energy-saving and environmental protection, and cost of use is lower, more and more come into one's own.But, it is poor that power and output torque etc. due to motor compare motor, for solving the problem be short of power of electric motor car, more compact car adopts hybrid architecture, use gasoline driven and electric drive two kinds of driving mode vehicles only drive by power plant before reaching certain speed, and utilize merely power plant as the pure electric vehicle of power, because its cost is higher, be short of power, be difficult to apply to the higher vehicle of the cost requirement such as two-wheeled, three-wheel.
Therefore, need one that two power plant can be used as power, meanwhile, between two power plant output shaft, can speed discrepancy be there is, thus increase substantially the planetary gear type Transaxle assembly of the power performance of electric motor car.
Model utility content
In view of this, the purpose of this utility model overcomes defect of the prior art, there is provided one that two power plant can be used as power, simultaneously, can speed discrepancy be there is between two power plant output shaft, thus increase substantially the planetary gear type Transaxle assembly of the power performance of electric motor car.
Planetary gear type Transaxle assembly of the present utility model, comprises first input end, the second input end, planetary gear set, speed changer and output differential; Described first input end and the second input end are in transmission connection respectively in the sun gear of described planetary gear set and external toothing and by the planet carrier of planetary gear set, power are passed to described speed changer and output differential successively;
Further, described planetary gear set is for driving differential mechanism; Described first input end and the second input end are in transmission connection respectively in the left half axle of described driving differential mechanism and right axle shaft and are outputed power by this driving differential mechanism;
Further, described speed changer comprises driving shaft and driven shaft, driving shaft is in transmission connection with driving differential mechanism output terminal and driving shaft is combined with in the mode that can be rotated about axis and keeps off driving gear and keep off driving gear slowly soon, driven shaft upper driving be provided with keep off soon fast gear driven gear that driving gear engages and with the slow gear driven gear keeping off driving gear slowly and engage, driving shaft is combined with gear shift coupling in the mode of the circumferencial direction transmission that slides axially;
Further, described driving differential mechanism comprises driving differential casing and drives differential gear assembly, drives differential casing to be provided with power output gear integrated with it;
Further, the planet wheel shaft of described driving differential mechanism is through driving differential casing also by being fixed on driving differential casing radially across the fixing pin of planet wheel shaft;
Further, the axial two ends of described driving differential casing stretch out the support tube formed for being rotatably assorted with the extension shaft part of left half axle gear and the extension shaft part of right axle shaft gear;
Further, driving differential bearing is provided with outside described support tube;
Further, described driving differential casing is monolithic construction and this driving differential casing is provided with for installing the installation via hole driving differential gear assembly;
Further, be provided with jack shaft between described driving differential mechanism and speed changer, the intermediate gear that jack shaft upper driving is combined with deceleration driving gear and engages with power output gear, driving shaft upper driving is combined with the reduction driven gear engaged with deceleration driving gear;
Planetary gear type Transaxle assembly of the present utility model also comprises and being in transmission connection respectively in the first motor of first input end and the second input end and the second motor.
The beneficial effects of the utility model are: planetary gear type Transaxle assembly of the present utility model, power is kept supplying by two power plant simultaneously, planetary gear set is provided with between two power plant output shaft, this planetary gear set outputs power after the power combination of two power plant, this planetary gear set can solve two nonsynchronous problems of power plant output shaft rotating speed, planetary gear set is by after the power combination of two power plant, obtain different speed by speed changer and close moment of torsion, and output power eventually through output differential, therefore, planetary gear type Transaxle assembly of the present utility model, two power plant can be used to export as power simultaneously, and allow two power plant output shaft to there is speed discrepancy, thus improve output power and the moment of torsion of electric vehicle, finally increase substantially the power performance of pure vehicle.
Accompanying drawing explanation
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 structural representation of the present utility model, and as shown in the figure, the planetary gear type Transaxle assembly of the present embodiment, comprises first input end, the second input end, planetary gear set and output differential, described first input end and the second input end are in transmission connection respectively in the sun gear of described planetary gear set and external toothing and by the planet carrier of planetary gear set, power are passed to described speed changer and output differential successively, therefore vehicle power is kept supplying by two power plant simultaneously, the planetary gear set be provided with between two power intakes can output power after the power combination of two power plant, this planetary gear set can solve two nonsynchronous problems of power plant output shaft rotating speed, planetary gear set is by after the power combination of two power plant, obtain different speed by speed changer and close moment of torsion, and output power eventually through output differential 16, therefore, planetary gear type Transaxle assembly of the present utility model, two power plant can be used to export as power simultaneously, and allow two power plant output shaft to there is speed discrepancy, thus improve output power and the moment of torsion of vehicle, finally increase substantially the power performance of pure vehicle.
In the present embodiment, described planetary gear set is for driving differential mechanism 5, power coupling is exported by this driving differential mechanism 5 by first input end and the second input end, drive differential mechanism 5 compact structure reliable, larger load effect can be born, in the present embodiment, first input end and the second input end are in transmission connection respectively in the left half axle and the right axle shaft that drive differential mechanism 5, output power to vehicle drive system by differential mechanism 5 output gear.
In the present embodiment, described speed changer comprises driving shaft 13 and driven shaft 17, driving shaft 13 and driving differential mechanism output terminal are in transmission connection and driving shaft 13 are combined with in the mode that can be rotated about axis and keep off driving gear 14 soon and keep off driving gear 20 slowly, driven shaft 17 upper driving be provided with keep off soon fast gear driven gear 15 that driving gear 14 engages and with the slow gear driven gear 18 keeping off driving gear 20 slowly and engage, driving shaft 13 is combined with gear shift coupling 19 in the mode of the circumferencial direction transmission that slides axially, driving shaft 13 by fast gear driving gear 14 with keep off soon driven gear 15 engage or the slow driving gear 20 that keeps off keeps off the engaging transmission of power to driven shaft 17 of driven gear 18 with slow, thus obtain different transmission speeds and power, coupling 19 is arranged at fast gear driving gear 14 and keeps off between driving gear 20 slowly, can make to keep off driving gear 14 soon or keep off driving gear 20 slowly to coordinate with driving shaft 13 transmission by stirring this coupling 19 vertically, thus realize gearshift.
In the present embodiment, described driving differential mechanism comprises driving differential casing 5 and drives differential gear assembly, described driving differential casing 5 is provided with power output gear 7 integrated with it, differential gear assembly belongs to existing structure, comprise planetary pinion, left half axle gear and right axle shaft gear, do not repeat them here, drive the power output gear 7 on differential casing 5 can coordinate with the existing vehicle drive system such as speed changer, thus export after the power combination of two power plant, power output gear 7 is one-body molded with driving differential casing 5, greatly can improve the maximum bearing load of differential mechanism, and be conducive to the compactedness improving differential mechanism.
In the present embodiment, the planet wheel shaft 6 of described driving differential mechanism is through driving differential casing 5 and driving differential casing 5 by being fixed on radially across the fixing pin of planet wheel shaft 6, therefore, the power from power plant output shaft will drive differential casing 5 to export by driving differential gear assembly to be passed to.
In the present embodiment, the described axial two ends of driving differential casing 5 stretch out the support tube 4 formed for being rotatably assorted with the extension shaft part of left half axle gear and the extension shaft part of right axle shaft gear, the extension shaft part of support tube 4 inwall and differential gear is slidably matched, semiaxis one end, left and right is in transmission connection in differential gear and extends shaft part, the other end stretches out outside support tube 4, therefore, this support tube 4 can improve the support stiffness that left and right differential gear gear extends shaft part, is conducive to the coaxality ensureing left and right semiaxis.
In the present embodiment, be provided with outside described support tube 4 and drive differential bearing 3, this driving differential bearing 3 is provided with two and its inner ring is matched with on the support tube 4 of driving differential casing 5 both sides respectively, operationally outputting power will be rotated around axial high speed owing to driving differential casing 5, this driving differential bearing 3 can improve the coaxality of left and right half further, there will not be eccentric wear between kinematic pair, be beneficial to the working life extending differential mechanism and whole retarder.
In the present embodiment, described driving differential casing 5 is monolithic construction and this driving differential casing 5 is provided with for installing the installation via hole driving differential gear assembly, differential casing adopts monolithic construction, add and determine good coaxality man-hour, thus be easy to ensure coaxality in installation process, directly to install, improve installation efficiency; Owing to being monolithic construction, thus Long-Time Service there will not be coaxality problem, there will not be eccentric wear between kinematic pair, is beneficial to the working life extending differential mechanism and whole retarder, reduces user cost; Owing to there is not eccentric wear, greatly reduce and use energy consumption, be beneficial to the distance travelled after extending electric motor car charging.
In the present embodiment, jack shaft 11 is provided with between described driving differential mechanism and speed changer, the intermediate gear that jack shaft 11 upper driving is combined with deceleration driving gear 10 and engages with power output gear 7, driving shaft 13 upper driving is combined with the reduction driven gear 12 engaged with deceleration driving gear 10, because the rotating speed of power plant is larger, need to be exported by multi-stage speed-reducing, and larger reduction speed ratio between deceleration driving gear 10 and reduction driven gear 12, can be had, realize, after deceleration increases square, power is reached speed changer.
The planetary gear type Transaxle assembly of the present embodiment also comprises the first motor 1 and the second motor 6 be in transmission connection respectively in first input end and the second input end, motor is adopted to discharge without waste gas under steam as the power plant of vehicle, free from environmental pollution, electric vehicle drives the energy utilization rate of automobile high than petrol engine simultaneously, but, it is poor that power and output torque etc. due to motor compare motor, therefore, adopt two motors to export and utilize planetary gear set the to carry out problem be short of power that power coupling can solve electric motor car simultaneously.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. a planetary gear type Transaxle assembly, is characterized in that: comprise first input end, the second input end, planetary gear set, speed changer and output differential; Described first input end and the second input end are in transmission connection respectively in the sun gear of described planetary gear set and external toothing and by the planet carrier of planetary gear set, power are passed to described speed changer and output differential successively.
2. planetary gear type Transaxle assembly according to claim 1, is characterized in that: described planetary gear set is for driving differential mechanism; Described first input end and the second input end are in transmission connection respectively in the left half axle of described driving differential mechanism and right axle shaft and are outputed power by this driving differential mechanism.
3. planetary gear type Transaxle assembly according to claim 2, it is characterized in that: described speed changer comprises driving shaft and driven shaft, described driving shaft is in transmission connection with driving differential mechanism output terminal and driving shaft is combined with in the mode that can be rotated about axis and keeps off driving gear and keep off driving gear slowly soon, described driven shaft upper driving be provided with the fast gear driven gear that engages with described fast gear driving gear and with the slow gear driven gear keeping off driving gear slowly and engage, described driving shaft is combined with gear shift coupling in the mode of the circumferencial direction transmission that slides axially.
4. planetary gear type Transaxle assembly according to claim 2, it is characterized in that: described driving differential mechanism comprises driving differential casing and drives differential gear assembly, and described driving differential casing is provided with power output gear integrated with it.
5. planetary gear type Transaxle assembly according to claim 2, is characterized in that: the planet wheel shaft of described driving differential mechanism is through driving differential casing also by being fixed on driving differential casing radially across the fixing pin of planet wheel shaft.
6. planetary gear type Transaxle assembly according to claim 2, is characterized in that: the axial two ends of described driving differential casing stretch out the support tube formed for being rotatably assorted with the extension shaft part of left half axle gear and the extension shaft part of right axle shaft gear.
7. planetary gear type Transaxle assembly according to claim 6, is characterized in that: be provided with driving differential bearing outside described support tube.
8. planetary gear type Transaxle assembly according to claim 2, is characterized in that: described driving differential casing is monolithic construction and this driving differential casing is provided with for installing the installation via hole driving differential gear assembly.
9. planetary gear type Transaxle assembly according to claim 2, it is characterized in that: between described driving differential mechanism and speed changer, be provided with jack shaft, the intermediate gear that described jack shaft upper driving is combined with deceleration driving gear and engages with power output gear, described driving shaft upper driving is combined with the reduction driven gear engaged with described deceleration driving gear.
10. planetary gear type Transaxle assembly according to claim 1, is characterized in that: also comprise and being in transmission connection respectively in the first motor of first input end and the second input end and the second motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520492899.3U CN204755809U (en) | 2015-07-09 | 2015-07-09 | Planetary gear formula variable speed differential mechanism assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520492899.3U CN204755809U (en) | 2015-07-09 | 2015-07-09 | Planetary gear formula variable speed differential mechanism assembly |
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| CN204755809U true CN204755809U (en) | 2015-11-11 |
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| CN201520492899.3U Active CN204755809U (en) | 2015-07-09 | 2015-07-09 | Planetary gear formula variable speed differential mechanism assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960415A (en) * | 2015-07-09 | 2015-10-07 | 重庆隆旺机电有限责任公司 | Double-power coupling transmission and differential system |
| CN106678327A (en) * | 2016-12-26 | 2017-05-17 | 湖北航天技术研究院特种车辆技术中心 | Differential mechanism assembly |
-
2015
- 2015-07-09 CN CN201520492899.3U patent/CN204755809U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960415A (en) * | 2015-07-09 | 2015-10-07 | 重庆隆旺机电有限责任公司 | Double-power coupling transmission and differential system |
| CN106678327A (en) * | 2016-12-26 | 2017-05-17 | 湖北航天技术研究院特种车辆技术中心 | Differential mechanism assembly |
| CN106678327B (en) * | 2016-12-26 | 2019-08-06 | 湖北航天技术研究院特种车辆技术中心 | Differential assembly |
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