CN204878578U - Planetary gear transmission formula rear -guard assembly - Google Patents
Planetary gear transmission formula rear -guard assembly Download PDFInfo
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- CN204878578U CN204878578U CN201520492754.3U CN201520492754U CN204878578U CN 204878578 U CN204878578 U CN 204878578U CN 201520492754 U CN201520492754 U CN 201520492754U CN 204878578 U CN204878578 U CN 204878578U
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Abstract
The utility model discloses a planetary gear transmission formula rear -guard 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 the planet carrier that outer ring gear passes through planetary gear set spare are with the power transmission extremely the derailleur, consequently, the utility model discloses a planetary gear transmission formula rear -guard 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 vehicle.
Description
Technical field
The utility model relates to motor vehicle components field, specifically a kind of planetary gear type transmission rear-guard 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 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 transmission rear-guard assembly of the power performance of vehicle.
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 transmission rear-guard assembly of the power performance of electric motor car.
Planetary gear type transmission rear-guard assembly of the present utility model,
A kind of planetary gear type transmission rear-guard assembly, comprises first input end, the second input end, planetary gear set, speed changer and output differential; Described first input end and input end be 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 by transmission of power to described speed changer; Transmission shaft is connected with between described transmission output and output differential input end; The left half axle of described output differential and right axle shaft are corresponding respectively outputs power to the revolver axle of vehicle and right wheel shaft;
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, be parallel to each other between described transmission drive shaft and driven shaft arrange and perpendicular to vehicle revolver axle and right wheel shaft;
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 supporting sleeve 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 supporting sleeve;
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;
The beneficial effects of the utility model are: planetary gear type transmission rear-guard 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 transmission rear-guard 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 vehicle, simultaneously, front-engine rear-drive system architecture of the present utility model is simple, be applicable to being equipped on the vehicle of the spaces compact such as electro-tricycle.
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;
Fig. 2 is the structural representation of driving differential mechanism of the present utility model and speed changer.
Embodiment
Fig. 1 is structural representation of the present utility model, and as shown in the figure, the planetary gear type transmission rear-guard assembly of the present embodiment, comprises first input end, the second input end, planetary gear set, speed changer 4 and output differential, described first input end and the second input end be in transmission connection respectively in the left half axle 15 of described planetary gear set and right axle shaft 10 and by this planetary gear set by transmission of power to described speed changer 4, transmission shaft 5 is connected with between described speed changer 4 output terminal and output differential input end, the left half axle of described output differential and right axle shaft be corresponding revolver axle 9 and the right wheel shaft 6 outputting power to vehicle respectively, the front-engine rear-drive system of the present embodiment, vehicle power is kept supplying by two power plant simultaneously, the planetary gear set be provided with between two power plant output shaft 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 4 and close moment of torsion, and output power eventually through output differential, therefore, planetary gear type transmission rear-guard 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 electric vehicle, simultaneously, the front-engine rear-drive system architecture of the present embodiment is simple, can be equipped on the vehicle of the spaces compact such as electro-tricycle.
In the present embodiment, described planetary gear set is for driving differential mechanism 2, drive differential mechanism 2 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 2, output power to vehicle drive system by differential mechanism 5 output gear.
In the present embodiment, described speed changer 4 comprises driving shaft 19 and driven shaft 20, driving shaft 19 is in transmission connection with driving differential mechanism 2 output terminal and driving shaft 19 is combined with in the mode that can be rotated about axis and keeps off driving gear 21 and keep off driving gear slowly soon, driven shaft 20 upper driving be provided with keep off soon fast gear driven gear 22 that driving gear 21 engages and with the slow gear driven gear 23 keeping off driving gear slowly and engage, driving shaft 19 is combined with gear shift coupling 24 in the mode of the circumferencial direction transmission that slides axially, driving shaft 19 by fast gear driving gear 21 with keep off soon driven gear 22 engage or the slow driving gear that keeps off keeps off the engaging transmission of power to driven shaft 20 of driven gear 23 with slow, thus obtain different transmission speeds and power, coupling 24 is arranged at fast gear driving gear 21 and keeps off between driving gear slowly, can make to keep off driving gear 21 soon or keep off driving gear slowly to coordinate with driving shaft 19 transmission by stirring this coupling 24 vertically, thus realize gearshift.
In the present embodiment, be parallel to each other between described speed changer 4 driving shaft 19 and driven shaft 20 arrange and perpendicular to vehicle revolver axle 9 and right wheel shaft 6; This setting type effectively can reduce the horizontal installing space needed for vehicle drive system, is conducive to the compactedness on lifting vehicle chassis.
In the present embodiment, described driving differential mechanism 2 comprises driving differential casing 14 and drives differential mechanism 2 gear assembly, described driving differential casing 14 is provided with power output gear 11 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 11 on differential casing 14 can coordinate with the existing vehicle drive system such as speed changer 4, thus export after the power combination of two power plant, power output gear 11 is one-body molded with driving differential casing 14, 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 12 of described driving differential mechanism 2 is through driving differential casing 14 and driving differential casing 14 by being fixed on radially across the fixing pin of planet wheel shaft 12, therefore, the power from power plant output shaft will drive differential casing 14 to export by driving differential mechanism 2 gear assembly to be passed to.
In the present embodiment, the described axial two ends of driving differential casing 14 stretch out the supporting sleeve 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 supporting sleeve 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 supporting sleeve, therefore, this supporting sleeve 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 supporting sleeve and drive differential bearing 14, this driving differential bearing 14 is provided with two and its inner ring is matched with on the supporting sleeve of driving differential casing 14 both sides respectively, operationally outputting power will be rotated around axial high speed owing to driving differential casing 14, this driving differential bearing 14 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 14 is monolithic construction and this driving differential casing 14 is provided with for installing the installation via hole driving differential mechanism 2 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 16 is provided with between described driving differential mechanism 2 and speed changer 4, the intermediate gear that jack shaft 16 upper driving is combined with deceleration driving gear and engages with power output gear 11, driving shaft 19 upper driving is combined with the reduction driven gear 18 engaged with deceleration driving gear, 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 and reduction driven gear 18, can be had, realize, after deceleration increases square, power is reached speed changer 4.
In the present embodiment, described transmission shaft 5 two ends are equipped with universal drive festival and are in transmission connection respectively the input end in described speed changer 4 driven shaft 20 and output differential by universal drive festival, output differential can adopt all differential format existing, be not repeated at this, because rotatingshaft two ends connect speed changer 4 output terminal and output differential input end by universal joint, therefore, the output terminal of speed changer 4 and the input end of output differential can be staggeredly arranged according to the requirement of mounting point, vehicle revolver axle 9 and right wheel shaft 6 outer end correspondence are connected with a left side, right drive hub, the Power output of two power plant is to driving wheel of vehicle the most at last.
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 transmission rear-guard 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 be 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 by transmission of power to described speed changer; Transmission shaft is connected with between described transmission output and output differential input end; The left half axle of described output differential and right axle shaft are corresponding respectively outputs power to the revolver axle of vehicle and right wheel shaft.
2. planetary gear type transmission rear-guard 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 transmission rear-guard assembly according to claim 1, 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 transmission rear-guard assembly according to claim 3, is characterized in that: be parallel to each other between described transmission drive shaft and driven shaft arrange and perpendicular to vehicle revolver axle and right wheel shaft.
5. planetary gear type transmission rear-guard 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.
6. planetary gear type transmission rear-guard 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.
7. planetary gear type transmission rear-guard assembly according to claim 5, is characterized in that: the axial two ends of described driving differential casing stretch out the supporting sleeve 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.
8. planetary gear type transmission rear-guard assembly according to claim 7, is characterized in that: be provided with driving differential bearing outside described supporting sleeve.
9. planetary gear type transmission rear-guard assembly according to claim 5, 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.
10. planetary gear type transmission rear-guard assembly according to claim 3, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520492754.3U CN204878578U (en) | 2015-07-09 | 2015-07-09 | Planetary gear transmission formula rear -guard assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520492754.3U CN204878578U (en) | 2015-07-09 | 2015-07-09 | Planetary gear transmission formula rear -guard assembly |
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| CN204878578U true CN204878578U (en) | 2015-12-16 |
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| CN201520492754.3U Active CN204878578U (en) | 2015-07-09 | 2015-07-09 | Planetary gear transmission formula rear -guard assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034799A (en) * | 2015-07-09 | 2015-11-11 | 重庆隆旺机电有限责任公司 | Dual power coupling front-engine rear-drive system |
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2015
- 2015-07-09 CN CN201520492754.3U patent/CN204878578U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034799A (en) * | 2015-07-09 | 2015-11-11 | 重庆隆旺机电有限责任公司 | Dual power coupling front-engine rear-drive system |
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