CN209224930U - A kind of vehicle drive system - Google Patents
A kind of vehicle drive system Download PDFInfo
- Publication number
- CN209224930U CN209224930U CN201821979341.8U CN201821979341U CN209224930U CN 209224930 U CN209224930 U CN 209224930U CN 201821979341 U CN201821979341 U CN 201821979341U CN 209224930 U CN209224930 U CN 209224930U
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- CN
- China
- Prior art keywords
- gear
- shaft
- power
- transmission
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Motor Power Transmission Devices (AREA)
Abstract
The utility model discloses a kind of vehicle drive system, including main drive motor, secondary driving motor and transmission system for the power of the main drive motor and secondary driving motor output to be transferred to wheel shaft;The transmission system includes transmission shaft, coupling differential mechanism, multi-gear transmission transmission mechanism and driving differential mechanism;Power is transferred to the right axle shaft gear of coupling differential mechanism by multi-gear transmission transmission mechanism by the main drive motor, and power is transferred to the left half axle gear of coupling differential mechanism by transmission shaft by the pair driving motor;The differential gear of the coupling differential mechanism is meshed with the differential gear of driving differential mechanism, and is distributed power to the left half axle of vehicle and right axle shaft by driving differential mechanism;The drive system of the utility model supplies power simultaneously by two motors, can preferably meet the demand of the vehicle power of user.
Description
Technical field
The utility model relates to vehicle chassis members field, in particular to a kind of vehicle drive system.
Background technique
Motor vehicle is divided into electric vehicle (two-wheeled, three-wheel and electric car) and using engine as the vehicle of power, and electric vehicle is
It is travelled by power drive electric vehicle of onboard power battery, since electric vehicle has the characteristics that energy-saving and environmental protection are light, and
Cost of use is lower, is more and more taken seriously.But power and output torque due to motor etc. compares engine
Poor, the existing electrical vehicular power by single motor driving is poor, it is difficult to meet the use demand of user.
Therefore, it is necessary to a kind of vehicle drive system, which supplies power simultaneously by two motors, can be preferable
The vehicle power for meeting user demand.
Utility model content
The vehicle drive system of the utility model, including main drive motor, secondary driving motor and for by the main driving
Motor and the power of secondary driving motor output are transferred to the transmission system of wheel shaft;The transmission system include transmission shaft, coupling it is poor
Fast device, multi-gear transmission transmission mechanism and driving differential mechanism;The main drive motor is passed power by multi-gear transmission transmission mechanism
It is handed to the right axle shaft gear of coupling differential mechanism, power is transferred to a left side for coupling differential mechanism by transmission shaft by the pair driving motor
Axle shaft gear;The differential gear of the coupling differential mechanism is meshed with the differential gear of driving differential mechanism, and passes through driving
Differential mechanism distributes power to the left half axle of vehicle and right axle shaft;
Further, the multi-gear transmission transmission system includes driving shaft and driven shaft, and in the driving shaft and
The multiple groups power shift gear pair of power is transmitted between driven shaft;Synchronizer is equipped between adjacent power shift gear pair;The main driving electricity
Power is transferred to the driving shaft by gear pair by the output shaft of machine;
Further, the left half axle gear of the coupling differential mechanism and right axle shaft gear are sequentially connected defeated in the first power respectively
Enter axis and the second power input shaft;The front end of the transmission shaft is connected to the output of secondary driving motor by the first cardan drive
The rear end of axis, transmission shaft is connected to jackshaft by the second cardan drive;It the rear end of the jackshaft will by bevel gear pair
Power is input to the first power input shaft, and power is transferred to the second power input shaft by spur gear pair by the driven shaft;
Further, the power shift gear pair is respectively fast gear gear pair and slow gear gear pair;The fast gear gear pair includes
Fixed jacket in the driving shaft fast gear driving gear and be rotatably coated at the fast gear driven gear of the driven shaft;Institute
State slow gear gear pair include fixed jacket in the driving shaft slow gear driving gear and be rotatably coated at the driven shaft
Slow gear driven gear;The synchronizer is set to driven shaft and is located between fast gear driven gear and slow gear driven gear;
Further, the transmission shaft includes splined shaft, spline housing and central siphon;First universal joint is set to the central siphon
Front end;Second universal joint is set to the rear end of the splined shaft, and the spline housing is fixed on the rear end of the central siphon simultaneously
Pass through spline fitted with the splined shaft.
The utility model has the beneficial effects that the vehicle drive system of the utility model, the power of main drive motor passes through more
Power is transferred to the right axle shaft gear of coupling differential mechanism by gear variable transmission mechanism, can change by multi-gear transmission transmission mechanism
The transmission ratio of the drive path, to adjust the dynamic torque being transferred at coupling differential mechanism right axle shaft gear;Secondary driving motor
Power is transferred to the left half axle gear of coupling differential mechanism by transmission shaft, the differential that the power after coupling passes through coupling differential mechanism
Device gear is exported to the differential gear of driving differential mechanism, and driving differential mechanism distributes power to the left half axle of vehicle and right axle shaft
Realize the driving of vehicle, therefore, the power of this drive system is supplied simultaneously by main drive motor and secondary driving motor, is greatly improved
The driving power of vehicle.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the schematic diagram of the differential mechanism of the utility model;
Fig. 3 is the structural schematic diagram of the transmission shaft of the utility model.
Specific embodiment
FIG. 1 is a schematic structural view of the utility model, as shown in the figure: the vehicle drive system of the present embodiment, including main driving
Motor 19, secondary driving motor 1 and the power for exporting the main drive motor 19 and secondary driving motor 1 are transferred to wheel shaft
Transmission system;The transmission system includes transmission shaft 20, coupling differential mechanism 15, multi-gear transmission transmission mechanism and driving differential mechanism;
Power is transferred to the right axle shaft gear 25 of coupling differential mechanism 15, institute by multi-gear transmission transmission mechanism by the main drive motor 19
State the left half axle gear 22 that power is transferred to coupling differential mechanism 15 by transmission shaft 20 by secondary driving motor 1;The coupling differential
The differential gear 16 of device 15 is meshed with the differential gear 7 of driving differential mechanism, and is distributed power by driving differential mechanism
To the left half axle 6 and right axle shaft 8 of vehicle;
In the present embodiment, coupling differential mechanism 15 and the structure for driving differential mechanism are existing conical gear formula differential mechanism knot
Structure, generally comprise shell 21 and left half axle gear 22 in shell 21, right axle shaft gear 25 and simultaneously with the left side
The planetary gear 23 that axle shaft gear 22 and right axle shaft gear 25 engage, wheel shaft 24 and the shell 21 of planetary gear 23 are fixed to each other, differential
Device gear (7 or 17) fixed jacket is in shell 21;Wherein, the differential gear 7 of differential mechanism is driven to be used to receive extraneous power
Input, left half axle gear 22 and right axle shaft gear 25 are connected to the left half axle 6 and right axle shaft of vehicle by spline drived respectively
8, so that left and right half 8 be driven to rotate simultaneously;And the left half axle gear 22 and right axle shaft gear 25 for coupling differential mechanism 15 are for connecing
It is inputted by extraneous power, power is exported by the differential gear 16 of coupling differential mechanism 15 outward then, couples differential mechanism
15 and driving differential mechanism specific structure be the prior art, this will not be repeated here, can refer to Publication No. 104972888A and discloses
Double-power coupling device in differential design.
Power is transferred to right the half of coupling differential mechanism 15 by multi-gear transmission transmission mechanism by the power of main drive motor 19
Shaft gear 25 can change the transmission ratio of the drive path by multi-gear transmission transmission mechanism, thus adjust be transferred to coupling it is poor
Dynamic torque at fast 15 right axle shaft gear 25 of device;Power is transferred to coupling differential mechanism by transmission shaft 20 by secondary driving motor 1
15 left half axle gear 22, the power after coupling extremely drive differential mechanism by the output of differential gear 16 of coupling differential mechanism 15
Power is distributed to the left half axle 6 of vehicle and right axle shaft 8 driving for realizing vehicle by differential gear 7, driving differential mechanism, therefore,
The power of this drive system is supplied simultaneously by main drive motor 19 and secondary driving motor 1, substantially increases the driving power of vehicle.
In the present embodiment, main drive motor 19 can be arranged close to vehicle rear axle, and secondary driving motor 1 can be arranged in vehicle chassis and lean on
The position of front end.
In the present embodiment, the multi-gear transmission transmission system includes driving shaft and driven shaft 13, and in the master
Two groups of power shift gear pairs of power are transmitted between moving axis and driven shaft 13;Synchronizer 12 is equipped between adjacent power shift gear pair;Institute
Power is transferred to the driving shaft by gear pair 18 by the output shaft for stating main drive motor 19;The output shaft of main drive motor 19
On directly integrally formed with output gear, fixed jacket has the input gear engaged with output gear on driving shaft, described in two groups
Power shift gear pair is respectively fast gear gear pair 14 and slow gear gear pair 17;The fast gear gear pair 14 includes fixed jacket in described
The fast gear driving gear of driving shaft and the fast gear driven gear for being rotatably coated at the driven shaft 13;The slow gear gear pair
17 include fixed jacket in the driving shaft slow gear driving gear and rotatably be coated at the driven shaft 13 it is slow keep off from
Moving gear;The synchronizer 12 is set to driven shaft 13 and is located between fast gear driven gear and slow gear driven gear, therefore, leads to
Synchronizer 12 of overdriving, which is axially moveable, can make to keep off driven gear fastly or slow gear driven gear is combined with driven shaft 13;Synchronizer 12
Existing lock ring type synchronized 12 can be used, specific structure and working principle are the prior art, are repeated no more.
In the present embodiment, the left half axle gear 22 and right axle shaft gear 25 of the coupling differential mechanism 15 are passed by spline respectively
Dynamic to be connected to the first power input shaft 9 and the second power input shaft 10, the first power input shaft 9 and the second power input shaft 10 are answered
Pass through bearing support;The front end of the transmission shaft 20 is sequentially connected by the first universal joint 2 in the output shaft of secondary driving motor 1,
The rear end of transmission shaft 20 is sequentially connected by the second universal joint 3 in jackshaft 4, and wherein existing Cardon universal joint can be used in universal joint
Universal joint;The rear end of the jackshaft 4 (including is individually fixed in jackshaft 4 and the first power input shaft 9 by bevel gear pair 5
Drive bevel gear and driven wheel of differential) power is input to the first power input shaft 9, the driven shaft 13 passes through spur gear pair
Power is transferred to by 11 (driving gears and driven gear including being individually fixed in driven shaft 13 and the second power input shaft 10)
Second power input shaft 10.
In the present embodiment, as shown in Fig. 2, the transmission shaft 20 includes splined shaft 26, spline housing 28 and central siphon 27;Described
One universal joint 2 is set to the front end of the central siphon 27;Second universal joint 3 is set to the rear end of the splined shaft 26, described
Spline housing 28 is fixed on the rear end of the central siphon 27 and with the splined shaft 26 by spline fitted, and splined shaft 26 can be along axial direction
It is slided relative to spline housing 28, therefore the length of adjustable entire transmission shaft 20, reduces assembly difficulty.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of vehicle drive system, it is characterised in that: including main drive motor, secondary driving motor and be used for the main driving
Motor and the power of secondary driving motor output are transferred to the transmission system of wheel shaft;The transmission system include transmission shaft, coupling it is poor
Fast device, multi-gear transmission transmission mechanism and driving differential mechanism;The main drive motor is passed power by multi-gear transmission transmission mechanism
It is handed to the right axle shaft gear of coupling differential mechanism, power is transferred to a left side for coupling differential mechanism by transmission shaft by the pair driving motor
Axle shaft gear;The differential gear of the coupling differential mechanism is meshed with the differential gear of driving differential mechanism, and passes through driving
Differential mechanism distributes power to the left half axle of vehicle and right axle shaft.
2. vehicle drive system according to claim 1, it is characterised in that: the multi-gear transmission transmission system includes actively
Axis and driven shaft, and the multiple groups power shift gear pair for transmitting power between the driving shaft and driven shaft;Adjacent shift
Synchronizer is equipped between gear pair;Power is transferred to the driving shaft by gear pair by the output shaft of the main drive motor.
3. vehicle drive system according to claim 2, it is characterised in that: it is described coupling differential mechanism left half axle gear and
Right axle shaft gear is sequentially connected respectively in the first power input shaft and the second power input shaft;The front end of the transmission shaft passes through the
One cardan drive is connected to the output shaft of secondary driving motor, and the rear end of transmission shaft is connected to centre by the second cardan drive
Axis;Power is input to the first power input shaft by bevel gear pair by the rear end of the jackshaft, and the driven shaft passes through straight-tooth
Wheel adjutant's power is transferred to the second power input shaft.
4. vehicle drive system according to claim 3, it is characterised in that: the power shift gear pair is respectively fast gear gear
Secondary and slow gear gear pair;The fast gear gear pair includes fixed jacket in the fast gear driving gear of the driving shaft and can be rotated
It is coated at the fast gear driven gear of the driven shaft;The slow gear gear pair includes that fixed jacket is led in the slow gear of the driving shaft
Moving gear and the slow gear driven gear for being rotatably coated at the driven shaft;The synchronizer is set to driven shaft and is located at fast
It keeps off between driven gear and slow gear driven gear.
5. vehicle drive system according to claim 4, it is characterised in that: the transmission shaft includes splined shaft, spline housing
And central siphon;First universal joint is set to the front end of the central siphon;After second universal joint is set to the splined shaft
End, the spline housing are fixed on the rear end of the central siphon and pass through spline fitted with the splined shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821979341.8U CN209224930U (en) | 2018-11-28 | 2018-11-28 | A kind of vehicle drive system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821979341.8U CN209224930U (en) | 2018-11-28 | 2018-11-28 | A kind of vehicle drive system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209224930U true CN209224930U (en) | 2019-08-09 |
Family
ID=67505128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821979341.8U Expired - Fee Related CN209224930U (en) | 2018-11-28 | 2018-11-28 | A kind of vehicle drive system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209224930U (en) |
-
2018
- 2018-11-28 CN CN201821979341.8U patent/CN209224930U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20191128 |
|
CF01 | Termination of patent right due to non-payment of annual fee |