CN106427557A - Driving chassis of four-wheel driving automobile - Google Patents
Driving chassis of four-wheel driving automobile Download PDFInfo
- Publication number
- CN106427557A CN106427557A CN201510577458.8A CN201510577458A CN106427557A CN 106427557 A CN106427557 A CN 106427557A CN 201510577458 A CN201510577458 A CN 201510577458A CN 106427557 A CN106427557 A CN 106427557A
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- wheel
- shaft
- gear
- planetary gear
- transmission
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Abstract
The invention discloses a driving chassis of a four-wheel driving automobile. The driving chassis comprises a power assembly and four wheels, wherein the power assembly comprises a driving mechanism and a four-way differential; the four-way differential is connected with the driving mechanism, and comprises an input shaft, a gear box and two output shafts; a planetary gear train is arranged in the gear box; the outer end of the input shaft is in transmission connection with the output end of the driving mechanism; the inner end of the input shaft is connected with a sun gear of the planetary gear train; each planetary gear of the planetary gear train is in transmission connection with the inner end of each of the two output shafts; the outer ends of the two output shafts are separately and correspondingly in transmission connection with the inner end of each of two transmission shafts; and the outer ends of each of the transmission shafts are separately and correspondingly in transmission connection with the four wheels. According to the driving chassis disclosed by the invention, only one four-way differential is needed by the automobile to realize four-wheel driving, and a conventional front shaft differential and a conventional rear shaft differential are not used, so that the whole transmission efficiency can be greatly improved, and the corresponding energy consumption of the automobile can also be reduced; and besides, the number of parts and components of a transmission system of the four-wheel driving automobile is also reduced, and the manufacturing cost of the complete automobile is reduced.
Description
Technical field
The present invention relates to AE field, in particular to a kind of 4 wheel driven Automobile drive chassis.
Background technology
The drive system of existing 4 wheel driven automobile chassis structures all includes the transmission of 3 differential mechanisms
Mechanism, center differential is responsible for for power being assigned to before and after's differential mechanism, then is delivered to wheel to drive
Vehicle；Steering is commonly front-wheel steer or rear-axle steering.
Content of the invention
Present invention aim to solving the deficiency of above-mentioned background technology, a kind of is provided to need one
Realize four-wheel drive in the case of differential mechanism, and avoid abnormal tyre to grind during Vehicular turn
The 4 wheel driven Automobile drive chassis damaged.
The technical scheme is that：A kind of 4 wheel driven Automobile drive chassis, including power assembly and use
In the front left wheel, rear left wheel, right front wheel and the right rear wheel that drive vehicle movement, its feature
It is：Described power assembly includes drive mechanism and four-way differential mechanism, the output of described drive mechanism
End is connected with the input of described four-way differential mechanism, and described four-way differential mechanism includes input shaft, gear
Case and two output axle shafts being coaxially disposed, are provided with a set of epicyclic train in described gear-box,
Described input shaft outer end is in transmission connection with the outfan of described drive mechanism, described input shaft inner with
The central gear of described epicyclic train connects, and the planetary gear of described epicyclic train is defeated with two
Go out semiaxis the inner to be in transmission connection, the outer end of described two output axle shafts corresponds to two respectively along vehicle
Actuating device the inner of lateral symmetry setting is in transmission connection, and the outer end of each described actuating device is respectively
Correspondence is in transmission connection with front left wheel, rear left wheel, right front wheel and right rear wheel.
In such scheme：
The V-shaped setting of two actuating devices positioned at longitudinal direction of car side.
Described actuating device include the first connecting shaft, power transmission shaft, end successively engaged transmission second
Connecting shaft, the 3rd connecting shaft and axletree, described first connecting shaft the inner is nibbled with output axle shaft outer end
Close and connect, between described first connecting shaft and the second connecting shaft, be provided with constant velocity cardan joint by two ends
Power transmission shaft connects, and along lateral direction of car arrangement and driving moment rotates described axletree.
The planetary gear of described epicyclic train is provided with two, and described planetary gear is along lateral direction of car
It is symmetricly set on described output shaft both sides, described planetary gear is arranged in tooth rest, described gear
Frame has been disposed radially a rotating shaft, and two described planetary gears pass through axle sleeve with rotating shaft rotation even
Connect, described central gear is arranged on outside described tooth rest and is fixed with described tooth rest by bolt
Connect, described input shaft the inner extend into longitudinally along the vehicle in described gear-box and with described sun tooth
Wheel is in transmission connection.
It is provided with differential lock on described four-way differential mechanism.
Also include front steering performs device and the setting being arranged between front left wheel and right front wheel
Rear steering performs device between rear left wheel and right rear wheel, described front steering performs device and
Rear steering performs device applies steering angle on the steering wheel and turns to speed with obtaining driver
The sensor of degree connects.
It is an advantage of the current invention that：Vehicle is realized four-wheel drive and is only needed a four-way differential mechanism, reduces
Traditional antero posterior axis differential mechanism, thus the transmission efficiency of entirety has very big lifting, the phase of vehicle
Should be able to consume and also can reduce；Also reduce the amount of parts of 4 wheel driven car transmissions simultaneously, reduce
The manufacturing cost of car load.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic diagram in Vehicular turn for the present invention；
Fig. 3 is the four-way differential design schematic diagram in the present invention；
Fig. 4 is the attachment means structural representation in the present invention.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Reference Fig. 1 and Fig. 3, a kind of 4 wheel driven Automobile drive chassis of the present embodiment, total including power
Become and for driving the front left wheel 1.1 of vehicle movement, rear left wheel 1.2, right front wheel 1.3 and
Right rear wheel 1.4, the power assembly of the present embodiment includes drive mechanism 2 and four-way differential mechanism, drives
Motivation structure 2 is motor or internal combustion engine, and its outfan is connected with the input of four-way differential mechanism；This
One four-way differential mechanism of embodiment can achieve four-wheel drive, and it includes input shaft 3, gear-box 4
The output axle shaft 5 being coaxially disposed with two, the present embodiment is provided with a set of planet in gear-box 4
Gear train, input shaft 3 outer end is in transmission connection with the outfan of drive mechanism 2, and input shaft 3 is inner
Be connected with the central gear 6 of epicyclic train, the planetary gear 8 of epicyclic train and two output
Semiaxis 5 the inner is in transmission connection, and the outer end of described two output axle shafts 5 corresponds to two respectively along car
Actuating device 10 the inner of lateral symmetry setting is in transmission connection, the outer end of each actuating device 10
Correspond to respectively and front left wheel 1.1, rear left wheel 1.2, right front wheel 1.3 and right rear wheel 1.4
It is in transmission connection.
The present embodiment is realized four-wheel drive due to vehicle and is only needed a four-way differential mechanism, decreases tradition
Antero posterior axis differential mechanism, thus the transmission efficiency of entirety has very big lifting, the corresponding energy consumption of vehicle
Also can reduce；Also reduce the amount of parts of 4 wheel driven car transmissions simultaneously, reduce car load
Manufacturing cost.
Four-wheel steering system can also significantly lift the manipulation motility of vehicle simultaneously, reduces
The turning radius of vehicle.
With reference to Fig. 3, the planetary gear 8 of the epicyclic train of the present embodiment is provided with two, planet
Gear 8 is symmetricly set on output axle shaft 5 both sides along lateral direction of car, and planetary gear 8 is arranged on gear
In frame 7, tooth rest 7 has been disposed radially a rotating shaft 9, and two planetary gears 8 pass through axle sleeve
It is rotatably connected with rotating shaft 9, central gear 6 is arranged on tooth rest 8 outside and passes through bolt and gear
Frame 8 is fixedly connected, input shaft 3 the inner extend into longitudinally along the vehicle in gear-box 4 and with sun tooth
Wheel 6 is in transmission connection.The kind of drive of epicyclic train is：After input shaft 3 obtains power, will move
Power passes to central gear 6, tooth rest 7 concomitant rotation being fixed as one with central gear 6,
Tooth rest 7 rotate when drive planetary gear 8 to rotate by rotating shaft 9, planetary gear 8 with two export
The inner engagement of semiaxis 5, thus transmitting power to the outer end (outfan) of two output axle shafts 5,
When the outfan of output axle shaft 5 needs different rotating speeds, planetary gear 8 can be counter-rotation
Export power simultaneously.
In the present embodiment, positioned at the V-shaped setting of two actuating devices 10 of longitudinal direction of car side.
With reference to Fig. 4, the actuating device 10 of the present embodiment includes the first connecting shaft 10.1, power transmission shaft
10.2nd, end the second connecting shaft 10.3 of engaged transmission, the 3rd connecting shaft 10.4 and axletree successively
10.5, the first connecting shaft 10.1 is inner to be connected with the engagement of output axle shaft 5 outer end, the first connecting shaft
10.1 and second power transmission shafts 10.2 being provided with constant velocity cardan joint by two ends between connecting shaft 10.3 are even
Connect, along lateral direction of car arrangement and driving moment rotates axletree 10.5.
The present embodiment is additionally provided with differential lock on four-way differential mechanism, and differential lock can be by output axle shaft 5
The gear rotational speed locking being meshed with planetary gear 8, to realize the function of differential lock.
With reference to Fig. 1 and Fig. 2, the present embodiment also includes being arranged on front left wheel 1.1 and right front wheel
Front steering performs device 11.1 between 1.3 and be arranged on rear left wheel 1.2 and right rear wheel 1.3
Between rear steering performs device 11.2, front steering performs device 11.1 and rear steering performs device
11.2 sensors applying steering angle on the steering wheel and turning velocity with driver can be obtained
Connect, when Vehicular turn, driver apply steering angle on the steering wheel and turning velocity by
After sensor obtains, front steering performs device 11.1 and rear steering performs device 11.2 are by the same time-division
Not Tui Dong front left wheel 1.1, right front wheel 1.3 and rear left wheel 1.2, right rear wheel 1.4 toward phase
Anti- direction equivalent rotates, thus realize four-wheel turn to simultaneously.Now the near front wheel 1.1 and left rear wheel
1.2 is contrary due to turning to, and amount of spin is identical, and two wheels will operate in left side two cars when turning to
On wheel driving trace 12.1, vehicle right side two wheel also will operate in right side two wheels travel in the same manner
On track 12.2.Front left wheel 1.1 is consistent with the velocity of rotation of left back trailing wheel 1.2 just because of this
, it also can be normal and efficient that whole vehicle runs.So avoid the need between left-right and front-back wheel
Speed discrepancy is had also to can achieve the normal operation of whole automobile chassis.
The above, be only presently preferred embodiments of the present invention, not the structure of the present invention done
Any pro forma restriction.What every technical spirit according to the present invention was made to above example appoints
What simple modification, equivalent variations and modification, all still fall within the range of technical scheme.
Claims (6)
1. a kind of 4 wheel driven Automobile drive chassis, including power assembly with for driving vehicle movement
Front left wheel, rear left wheel, right front wheel and right rear wheel it is characterised in that：Described power is total
One-tenth includes drive mechanism and four-way differential mechanism, the outfan of described drive mechanism and described four-way differential
The input of device connects, and described four-way differential mechanism includes input shaft, gear-box and two and is coaxially disposed
Output axle shaft, be provided with a set of epicyclic train in described gear-box, described input shaft outer end with
The outfan of described drive mechanism is in transmission connection, and described input shaft is inner and described epicyclic train
Central gear connects, and the planetary gear of described epicyclic train and two output axle shaft the inner transmissions are even
Connect, the outer end of described two output axle shafts corresponds to two respectively along the symmetrically arranged biography of lateral direction of car
Dynamic device the inner is in transmission connection, the outer end of each described actuating device respectively corresponding with front left wheel,
Rear left wheel, right front wheel and right rear wheel are in transmission connection.
2. a kind of 4 wheel driven Automobile drive chassis according to claim 1 it is characterised in that：
The V-shaped setting of two actuating devices positioned at longitudinal direction of car side.
3. a kind of 4 wheel driven Automobile drive chassis according to claim 1 it is characterised in that：
Described actuating device include the first connecting shaft, power transmission shaft, end successively engaged transmission second connection
Axle, the 3rd connecting shaft and axletree, described first connecting shaft is inner to be engaged with output axle shaft outer end even
Connect, between described first connecting shaft and the second connecting shaft, be provided with the transmission of constant velocity cardan joint by two ends
Axle connects, and along lateral direction of car arrangement and driving moment rotates described axletree.
4. a kind of 4 wheel driven Automobile drive chassis according to claim 1 it is characterised in that：
The planetary gear of described epicyclic train is provided with two, and described planetary gear is symmetrical along lateral direction of car
It is arranged on described output shaft both sides, described planetary gear is arranged in tooth rest, described tooth rest edge
It has been radially arranged a rotating shaft, two described planetary gears are rotatably connected with rotating shaft by axle sleeve, institute
State central gear to be arranged on outside described tooth rest and be fixedly connected with described tooth rest by bolt,
Described input shaft the inner is extend into longitudinally along the vehicle in described gear-box and is passed with described central gear
It is dynamically connected.
5. a kind of 4 wheel driven Automobile drive chassis according to claim 1 it is characterised in that：
It is provided with differential lock on described four-way differential mechanism.
6. a kind of 4 wheel driven Automobile drive chassis according to claim 1 it is characterised in that：
The front steering performs device that also includes being arranged between front left wheel and right front wheel and be arranged on a left side
Rear steering performs device between rear wheel and right rear wheel, described front steering performs device and rear turn
Apply steering angle on the steering wheel and turning velocity to performs device with driver can be obtained
Sensor connects.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015205822712 | 2015-08-05 | ||
| CN201520582271 | 2015-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106427557A true CN106427557A (en) | 2017-02-22 |
Family
ID=58093959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510577458.8A Pending CN106427557A (en) | 2015-08-05 | 2015-09-11 | Driving chassis of four-wheel driving automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106427557A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2509014Y (en) * | 2001-07-13 | 2002-09-04 | 周殿玺 | Differential transmission apparatus |
| CN2772877Y (en) * | 2004-12-13 | 2006-04-19 | 湖北省齐星汽车车身股份有限公司 | Power transmission system of high-performance cross-country vehicle with four-wheels |
| CN103775598A (en) * | 2014-01-06 | 2014-05-07 | 管中林 | Four-wheel cross driving type differential mechanism |
| CN104163199A (en) * | 2014-08-14 | 2014-11-26 | 青州迈特车桥制造有限公司 | Hydraulic steering four-wheel drive axle of plant protection machine |
-
2015
- 2015-09-11 CN CN201510577458.8A patent/CN106427557A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2509014Y (en) * | 2001-07-13 | 2002-09-04 | 周殿玺 | Differential transmission apparatus |
| CN2772877Y (en) * | 2004-12-13 | 2006-04-19 | 湖北省齐星汽车车身股份有限公司 | Power transmission system of high-performance cross-country vehicle with four-wheels |
| CN103775598A (en) * | 2014-01-06 | 2014-05-07 | 管中林 | Four-wheel cross driving type differential mechanism |
| CN104163199A (en) * | 2014-08-14 | 2014-11-26 | 青州迈特车桥制造有限公司 | Hydraulic steering four-wheel drive axle of plant protection machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |