CN105034799A - Dual power coupling front-engine rear-drive system - Google Patents
Dual power coupling front-engine rear-drive system Download PDFInfo
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- CN105034799A CN105034799A CN201510402391.4A CN201510402391A CN105034799A CN 105034799 A CN105034799 A CN 105034799A CN 201510402391 A CN201510402391 A CN 201510402391A CN 105034799 A CN105034799 A CN 105034799A
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Abstract
The invention discloses a dual power coupling front-engine rear-drive system which comprises a first input end, a second input end, a planetary gear assembly, a speed changer and an output differential mechanism. The first input end and the second input end are connected to a sun gear and an outer gear ring of the planetary gear assembly in a driving mode respectively, and power is transmitted to the speed changer through a planetary carrier of the planetary gear assembly. Accordingly, the dual power coupling front-engine rear-drive system can take two power devices as the power; meanwhile, a speed difference can exist between output shafts of the power devices, and therefore the power performance of vehicles can be significantly improved.
Description
Technical field
The present invention relates to motor vehicle components field, specifically a kind of double dynamical coupling front-engine rear-drive system.
Background technology
Self-propelled vehicle is divided into battery-driven car (two-wheeled, three-wheel and electronlmobil) and take driving engine as the vehicle of power, battery-driven car is for power driven elec. vehicle travels with onboard power storage battery, because battery-driven car has the light feature of energy-saving and environmental protection, and operating costs is lower, more and more come into one's own.But, it is poor that power and output torque etc. due to electrical motor compare driving engine, for solving the problem of the under power of battery-driven car, more compact car adopts hybrid architecture, use gasoline driven and driven by power two kinds of type of drive vehicles only drive by engine installation before reaching certain speed, and utilize merely an engine installation as the vehicle of power, because its cost is higher, under power, is difficult to apply to the higher vehicle of the cost requirement such as two-wheeled, three-wheel.
Therefore, need one that two engine installations can be used as power, meanwhile, between two power plant output shaft, can speed discrepancy be there is, thus increase substantially the double dynamical coupling front-engine rear-drive system of the tractive performance of vehicle.
Summary of the invention
In view of this, the object of the invention is to overcome defect of the prior art, provide one that two engine installations can be used as power, simultaneously, can speed discrepancy be there is between two power plant output shaft, thus increase substantially the double dynamical coupling front-engine rear-drive system of the tractive performance of battery-driven car.
Double dynamical coupling front-engine rear-drive system of the present invention,
A kind of double dynamical coupling front-engine rear-drive system, comprises first input end, the second input end, planetary gear set, change-speed box and output differential; Described first input end and input end be in transmission connection respectively in the sun wheel of described planetary gear set and external toothing and by the pinion carrier of planetary gear set by transmission of power to described change-speed box; 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 diff; Described first input end and the second input end are in transmission connection respectively in the left half axle of described driving diff and right axle shaft and are outputed power by this driving diff.
Further, described change-speed box comprises imput shaft and driven shaft, imput shaft is in transmission connection with driving diff mouth and imput 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, imput shaft is combined with gear shift adapter 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 diff 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 spindle of described driving diff is through driving differential casing also by being fixed on driving differential casing radially across the set pin of planet wheel spindle;
Further, the axial two ends of described driving differential casing stretch out the support sleeve formed for the extension shaft part normal-running fit of the extension shaft part and right axle shaft gear with left half axle gear;
Further, driving differential bearing is provided with outside described support sleeve;
Further, described driving differential casing is one-piece construction and this driving differential casing is provided with for installing the installation via hole driving differential gear assembly;
Further, be provided with tween drive shaft between described driving diff and change-speed box, the intermediate gear that tween drive shaft upper driving is combined with deceleration driving gear and engages with power output gear, imput shaft upper driving is combined with the reduction driven gear engaged with deceleration driving gear;
The invention has the beneficial effects as follows: double dynamical coupling front-engine rear-drive system of the present invention, power is kept supplying by two engine installations 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 engine installations, 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 engine installations, obtain different speed by change-speed box and close moment of torsion, and output power eventually through output differential, therefore, double dynamical coupling front-engine rear-drive system of the present invention, two engine installations can be used to export as power simultaneously, and allow two power plant output shaft to there is speed discrepancy, thus improve horsepower output and the moment of torsion of vehicle, finally increase substantially the tractive performance of vehicle, simultaneously, front-engine rear-drive system architecture of the present invention 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 invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of driving diff of the present invention and change-speed box.
Detailed description of the invention
Fig. 1 is structural representation of the present invention, and as shown in the figure, the double dynamical coupling front-engine rear-drive system of the present embodiment, comprises first input end, the second input end, planetary gear set, change-speed box 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 change-speed box 4, transmission shaft 5 is connected with between described change-speed box 4 mouth 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 engine installations simultaneously, the planetary gear set be provided with between two power plant output shaft can output power after the power combination of two engine installations, 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 engine installations, obtain different speed by change-speed box 4 and close moment of torsion, and output power eventually through output differential, therefore, double dynamical coupling front-engine rear-drive system of the present invention, two engine installations can be used to export as power simultaneously, and allow two power plant output shaft to there is speed discrepancy, thus improve horsepower output and the moment of torsion of elec. vehicle, finally increase substantially the tractive 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 diff 2, drive diff 2 compact conformation 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 diff 2, output power to vehicle drive system by diff 5 output gear.
In the present embodiment, described change-speed box 4 comprises imput shaft 19 and driven shaft 20, imput shaft 19 is in transmission connection with driving diff 2 mouth and imput 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, imput shaft 19 is combined with gear shift adapter 24 in the mode of the circumferencial direction transmission that slides axially, imput 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, adapter 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 imput shaft 19 transmission by stirring this adapter 24 vertically, thus realize gearshift.
In the present embodiment, be parallel to each other between described change-speed box 4 imput shaft 19 and driven shaft 20 arrange and perpendicular to vehicle revolver axle 9 and right wheel shaft 6; This arrangement form 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 diff 2 comprises driving differential casing 14 and drives diff 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 wheel, 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 change-speed box 4, thus export after the power combination of two engine installations, power output gear 11 is one-body molded with driving differential casing 14, greatly can improve the maximum bearing load of diff, and be conducive to the compactedness improving diff.
In the present embodiment, the planet wheel spindle 12 of described driving diff 2 is through driving differential casing 14 and driving differential casing 14 by being fixed on radially across the set pin of planet wheel spindle 12, therefore, the power from power plant output shaft will drive differential casing 14 to export by driving diff 2 gear assembly to be passed to.
In the present embodiment, the described axial two ends of driving differential casing 14 stretch out and are formed for the support sleeve of the extension shaft part normal-running fit of the extension shaft part and right axle shaft gear with left half axle gear, the extension shaft part bearing fit of support sleeve inwall and axle side gear, semiaxis one end, left and right is in transmission connection in axle side gear and extends shaft part, the other end stretches out outside support sleeve, therefore, this support sleeve can improve the support stiffness that left and right axle side gear gear extends shaft part, is conducive to the right alignment ensureing left and right semiaxis.
In the present embodiment, be provided with outside described support sleeve and drive differential bearing 14, this driving differential bearing 14 is provided with two and its inner ring is matched with on the support 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 right alignment of left and right half further, there will not be eccentric wear between kinematic pair, be beneficial to the service life extending diff and whole retarder.
In the present embodiment, described driving differential casing 14 is one-piece construction and this driving differential casing 14 is provided with for installing the installation via hole driving diff 2 gear assembly, differential casing adopts one-piece construction, add and determine good right alignment man-hour, thus be easy to ensure right alignment in installation process, directly to install, improve installation effectiveness; Owing to being one-piece construction, thus Long-Time Service there will not be right alignment problem, there will not be eccentric wear between kinematic pair, is beneficial to the service life extending diff and whole retarder, reduces use cost; Owing to there is not eccentric wear, greatly reduce and use energy resource consumption, be beneficial to the travelled distance after extending battery-driven car charging.
In the present embodiment, tween drive shaft 16 is provided with between described driving diff 2 and change-speed box 4, the intermediate gear that tween drive shaft 16 upper driving is combined with deceleration driving gear and engages with power output gear 11, imput shaft 19 upper driving is combined with the reduction driven gear 18 engaged with deceleration driving gear, because the rotating speed of engine installation is larger, need to be exported by multi-stage speed-reducing, and larger reduction ratio between deceleration driving gear and reduction driven gear 18, can be had, realize, after deceleration increases square, power is reached change-speed box 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 change-speed box 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 turning cylinder two ends connect change-speed box 4 mouth and output differential input end by universal-joint, therefore, the mouth of change-speed box 4 and the input end of output differential can be staggeredly arranged according to the requirement of installation site, 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 engine installations is to driving wheel of vehicle the most at last.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a double dynamical coupling front-engine rear-drive system, is characterized in that: comprise first input end, the second input end, planetary gear set, change-speed box and output differential; Described first input end and the second input end be in transmission connection respectively in the sun wheel of described planetary gear set and external toothing and by the pinion carrier of planetary gear set by transmission of power to described change-speed box; 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. double dynamical coupling front-engine rear-drive system according to claim 1, is characterized in that: described planetary gear set is for driving diff; Described first input end and the second input end are in transmission connection respectively in the left half axle of described driving diff and right axle shaft and are outputed power by this driving diff.
3. double dynamical coupling front-engine rear-drive system according to claim 1, it is characterized in that: described change-speed box comprises imput shaft and driven shaft, described imput shaft is in transmission connection with driving diff mouth and imput 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 imput shaft is combined with gear shift adapter in the mode of the circumferencial direction transmission that slides axially.
4. double dynamical coupling front-engine rear-drive system 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. double dynamical coupling front-engine rear-drive system according to claim 2, it is characterized in that: described driving diff comprises driving differential casing and drives differential gear assembly, and described driving differential casing is provided with power output gear integrated with it.
6. double dynamical coupling front-engine rear-drive system according to claim 2, is characterized in that: the planet wheel spindle of described driving diff is through driving differential casing also by being fixed on driving differential casing radially across the set pin of planet wheel spindle.
7. double dynamical coupling front-engine rear-drive system according to claim 5, is characterized in that: the axial two ends of described driving differential casing stretch out the support sleeve formed for the extension shaft part normal-running fit of the extension shaft part and right axle shaft gear with left half axle gear.
8. double dynamical coupling front-engine rear-drive system according to claim 7, is characterized in that: be provided with driving differential bearing outside described support sleeve.
9. double dynamical coupling front-engine rear-drive system according to claim 5, is characterized in that: described driving differential casing is one-piece construction and this driving differential casing is provided with for installing the installation via hole driving differential gear assembly.
10. double dynamical coupling front-engine rear-drive system according to claim 3, it is characterized in that: between described driving diff and change-speed box, be provided with tween drive shaft, the intermediate gear that described tween drive shaft upper driving is combined with deceleration driving gear and engages with power output gear, described imput 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 |
|---|---|---|---|
| CN201510402391.4A CN105034799A (en) | 2015-07-09 | 2015-07-09 | Dual power coupling front-engine rear-drive system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510402391.4A CN105034799A (en) | 2015-07-09 | 2015-07-09 | Dual power coupling front-engine rear-drive system |
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| CN105034799A true CN105034799A (en) | 2015-11-11 |
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| CN201510402391.4A Pending CN105034799A (en) | 2015-07-09 | 2015-07-09 | Dual power coupling front-engine rear-drive system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07177795A (en) * | 1993-10-26 | 1995-07-14 | Shigeto Suzuki | Motor device |
| US20010016532A1 (en) * | 1999-12-28 | 2001-08-23 | Hu-Yong Jung | Transmission for hybrid electric vehicle |
| CN102128235A (en) * | 2011-03-16 | 2011-07-20 | 郑州机械研究所 | Dual-redundance precision gear transmission device |
| CN102133856A (en) * | 2010-01-25 | 2011-07-27 | 北京理工大学 | Dual-motor rotating speed coupling drive assembly |
| CN202274057U (en) * | 2011-10-22 | 2012-06-13 | 广东摩德娜科技股份有限公司 | Differential mechanism with high gear ratio |
| CN203627711U (en) * | 2013-06-19 | 2014-06-04 | 重庆隆旺机电有限责任公司 | Integral housing of differential mechanism |
| CN204327903U (en) * | 2014-12-18 | 2015-05-13 | 重庆隆旺机电有限责任公司 | Double dynamical Transaxle assembly |
| CN204878578U (en) * | 2015-07-09 | 2015-12-16 | 重庆隆旺机电有限责任公司 | Planetary gear transmission formula rear -guard assembly |
-
2015
- 2015-07-09 CN CN201510402391.4A patent/CN105034799A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07177795A (en) * | 1993-10-26 | 1995-07-14 | Shigeto Suzuki | Motor device |
| US20010016532A1 (en) * | 1999-12-28 | 2001-08-23 | Hu-Yong Jung | Transmission for hybrid electric vehicle |
| CN102133856A (en) * | 2010-01-25 | 2011-07-27 | 北京理工大学 | Dual-motor rotating speed coupling drive assembly |
| CN102128235A (en) * | 2011-03-16 | 2011-07-20 | 郑州机械研究所 | Dual-redundance precision gear transmission device |
| CN202274057U (en) * | 2011-10-22 | 2012-06-13 | 广东摩德娜科技股份有限公司 | Differential mechanism with high gear ratio |
| CN203627711U (en) * | 2013-06-19 | 2014-06-04 | 重庆隆旺机电有限责任公司 | Integral housing of differential mechanism |
| CN204327903U (en) * | 2014-12-18 | 2015-05-13 | 重庆隆旺机电有限责任公司 | Double dynamical Transaxle assembly |
| CN204878578U (en) * | 2015-07-09 | 2015-12-16 | 重庆隆旺机电有限责任公司 | Planetary gear transmission formula rear -guard assembly |
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