CN109383281A - The drive system on independent suspension wheel side - Google Patents
The drive system on independent suspension wheel side Download PDFInfo
- Publication number
- CN109383281A CN109383281A CN201811260325.8A CN201811260325A CN109383281A CN 109383281 A CN109383281 A CN 109383281A CN 201811260325 A CN201811260325 A CN 201811260325A CN 109383281 A CN109383281 A CN 109383281A
- Authority
- CN
- China
- Prior art keywords
- planet
- arm
- independent suspension
- driving motor
- support sleeve
- 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.)
- Pending
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/14—Mounting of suspension arms
- B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Independent suspension Direct wheel drives system of the invention includes: wheel hub, first planet device, second planet device, support sleeve, support arm, driving motor, upper A arm and lower A arm, driving motor successively drives the first planet device, second planet device and wheel hub, the upper end of support arm and upper A arm are hinged, lower end and lower A arm are hinged, the center of support arm is provided with centre bore, driving motor is housed in one end of centre bore, the other end is equipped with support sleeve, in centre bore, first planet device and the second planet device are axially housed side by side in the space that driving motor and support sleeve surround, the output shaft of driving motor drives the rotation of the first planet device, the side of second planet device is stretched out support sleeve band runner hub and is rotated；This system is sealed the drive end bearing bracket of motor as the end cap of deceleration mechanism, and the rear end cap for using support sleeve as deceleration mechanism is sealed, and is effectively shortened the axial dimension of whole system and is effectively reduced the weight of whole system.
Description
Technical field
The present invention relates to a kind of drive systems of pure electric vehicle class bus, are especially used for the independence of pure electric vehicle class bus
Suspension fork wheel edge drive system.
Background technique
Currently, most of automobile driving system is to be connected by a set of central motor or central motor acceleration and deceleration case by transmission shaft
The transmission of traditional axle progress is connect, such kind of drive, inefficient, system structure is complicated, and the space occupied is big, it is difficult to real
The arrangement requirement of existing city bus low-floor.
Summary of the invention
The purpose of present invention is the defect for overcoming existing vehicle drive system, and provides a kind of compact-sized independence
Suspension fork wheel edge drive system.
In order to complete present invention purpose, the application uses following technical scheme:
A kind of independent suspension Direct wheel drives system of the invention, it includes: wheel hub, the first planet device, the second planet device, branch
Support set, support arm, driving motor, upper A arm and lower A arm, driving motor successively drive the first planet device, the second planet
Device and wheel hub, the upper end of support arm and upper A arm are hinged, and lower end and lower A arm are hinged, in which: the center of support arm is provided with
Centre bore is equipped with driving motor in one end of centre bore, and the other end is equipped with support sleeve, in centre bore, driving motor and support sleeve
First planet device and the second planet device are axially housed side by side, the output shaft of driving motor drives in the space surrounded
The rotation of first planet device, the side of the second planet device are stretched out support sleeve band runner hub and are rotated；
A kind of independent suspension Direct wheel drives system of the invention, in which: first planet device includes: the first sun gear,
One planet carrier, the first planet axis, the first planetary system gear and the first gear ring, the output shaft of driving motor are extend into centre bore,
And output shaft drives its rotation mounted in the center of the first sun gear, punishes in two symmetric positions of the first sun gear excircle
It is not engaged with a first planetary system gear, is respectively provided with the first planet axis at the center of two the first planetary system gears, two
The excircle of first planetary system gear is engaged with the first gear ring being fixed in centre bore, the both ends difference of first planet carrier side
It is fixedly connected with two the first planet axis, the other side drives the rotation of the second planet device；
A kind of independent suspension Direct wheel drives system of the invention, in which: second planet device includes: the second sun gear,
The other side of two planet carriers, the second planet axis, the second planetary system gear and the second gear ring, first planet carrier is mounted in the second sun gear
Center drive its rotation, nibbled respectively with a second planetary system gear at two symmetric positions of the second sun gear excircle
Close, be respectively provided with the second planet axis at the center of two the second planetary system gears, the excircle of two the second planetary system gears with
The the second gear ring engagement being fixed in centre bore, the both ends of the second planet carrier side are fixed with two the second planet axis respectively to be connected
It connects, the other side passes through support sleeve band runner hub and rotates；
A kind of independent suspension Direct wheel drives system of the invention, in which: independent suspension Direct wheel drives system further include: switching method
Orchid, the other side of the second planet carrier are mounted in the center of adapter flange and drive its rotation, and wheel hub is sleeved on adapter flange and support
It puts on, and is fixed on the excircle of adapter flange；
A kind of independent suspension Direct wheel drives system of the invention, in which: the center line of the output shaft is with hub centre line same
On one straight line；
A kind of independent suspension Direct wheel drives system of the invention, in which: in the torus space between support sleeve and wheel hub, along
There are two bearings for wheel hub axial direction dress；
A kind of independent suspension Direct wheel drives system of the invention, in which: the bearing is cone bearing；
A kind of independent suspension Direct wheel drives system of the invention, in which: independent suspension Direct wheel drives system further include: brake,
The brake is on the wheel hub excircle between wheel hub and support sleeve axial direction, for braking to wheel hub.
A kind of independent suspension Direct wheel drives system of the present invention is compared with existing automobile driving system, since the present invention uses
Deceleration mechanism is built in the mode in suspension support arms, using compact-sized, double planet architecture makes for deceleration mechanism
Vehicle achieves biggish speed ratio, meets the driving power of vehicle.Independent suspension Direct wheel drives system of the invention is by motor
Drive end bearing bracket be sealed as the end cap of deceleration mechanism, the rear end cap for using support sleeve as deceleration mechanism is sealed, effectively
The weight for shortening the axial dimension of whole system and be effectively reduced whole system.Due to motor output shaft and deceleration mechanism
Output shaft in same center line, rationally avoided the spatial position of wheel surrounding components.
Detailed description of the invention
Fig. 1 is the positive diagrammatic cross-section of independent suspension Direct wheel drives system of the invention.
In Fig. 1, label 1 is wheel hub；Label 2 is brake；Label 3 is support sleeve；Label 4 is support arm；Label 5 is
Upper A arm；Label 6 is the first sun gear；Label 7 is first planet carrier；Label 8 is driving motor；Label 9 is output shaft；Mark
Numbers 10 be the first planetary system gear；Label 11 is lower A arm；Label 12 is the second planet carrier；Label 13 is the first planet axis；
Label 14 is the second planet axis；Label 15 is the first gear ring；Label 16 is the second gear ring；Label 17 is adapter flange；Label 18
For bearing；Label 19 is center hole；Label 20 is the second sun gear；Label 21 is the second planetary system gear.
Specific embodiment
As shown in Figure 1, a kind of independent suspension Direct wheel drives system of the invention includes: wheel hub 1, the first planet device,
Two planet devices, support sleeve 3, support arm 4, driving motor 8, brake 2, adapter flange 17, upper A arm 5 and lower A arm 11,
Driving motor 8 successively drives the first planet device, the second planet device and wheel hub 1, and the upper end of support arm 4 and upper A arm 5 are cut with scissors
It connects, lower end and lower A arm 11 are hinged, and upper A arm 5 and lower A arm 11 are connected with the bicycle beam up and down of vehicle respectively.Support arm 4
Center be provided with centre bore 19, one end of centre bore 19 be equipped with driving motor 8, the other end be equipped with support sleeve 3, in centre bore
19, it is axially filled side by side equipped with the first planet device and the second planet in the space that driving motor 8 and support sleeve 3 surround
It sets, the output shaft 9 of driving motor 8 drives the rotation of the first planet device, and support sleeve 3 is stretched out with driving wheel in the side of the second planet device
Hub 1 rotates.The brake 2 is on 1 excircle of wheel hub between 3 axial direction of wheel hub 1 and support sleeve, for making to wheel hub 1
It is dynamic.
First planet device includes: the first sun gear 6, first planet carrier 7, the first planet axis 13, the first planetary system gear
10 and first gear ring 15, the output shaft 9 of driving motor 8 extend into centre bore 19, and output shaft 9 is mounted in the first sun gear 6
Center drive its rotation, at two symmetric positions of 6 excircle of the first sun gear respectively with a first planetary system gear
10 engagements, are respectively provided with the first planet axis 13, two the first planetary system gears 10 at the center of two the first planetary system gears 10
Excircle engaged with the first gear ring 15 being fixed in centre bore 19, the both ends of 7 side of first planet carrier respectively with two
One planet axis 13 is fixedly connected, and the other side drives the rotation of the second planet device.
Second planet device includes: the second sun gear 20, the second planet carrier 12, the second planet axis 14, the second planetary system tooth
The other side of wheel 21 and the second gear ring 16, first planet carrier 7 drives its rotation mounted in the center of the second sun gear 20, too second
It is engaged respectively with a second planetary system gear 21 at two symmetric positions of sun 20 excircles of wheel, in two the second planetary system teeth
The center of wheel 21 is respectively provided with the second planet axis 14, the excircle of two the second planetary system gears 21 and is fixed in centre bore 19
The engagement of the second gear ring 16, the both ends of 12 side of the second planet carrier are fixedly connected with two the second planet axis 14 respectively, the other side
It is mounted in the center of adapter flange 17 across support sleeve 3, and adapter flange 17 is driven to rotate, wheel hub 1 is sleeved on 17 He of adapter flange
On support sleeve 3, and it is fixed on the excircle of adapter flange 17, in the torus space between support sleeve 3 and wheel hub 1, along
1 axial direction of wheel hub dress is cone bearing there are two bearing 18, bearing 18, and the center line of output shaft 9 is with 1 center line of wheel hub same
On one straight line.
Driving motor 8 drives output shaft 9 to rotate, and the revolving speed of output shaft 9 passes through the first planet device and the second planet device
Deceleration after, rotated by adapter flange 17 with runner hub 1, the upper end of support arm 4 and upper A arm 5 are hinged, lower end and lower A type
Arm 11 is hinged, and upper A arm 5 and lower A arm 11 are connected with the bicycle beam up and down of vehicle respectively, realize the suspension of vehicle.
Embodiment described above, only preferred embodiments of the present invention will be described, not to of the invention
Range is defined, and without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technology of the invention
The various changes and improvements that scheme is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (8)
1. a kind of independent suspension Direct wheel drives system, it includes: wheel hub (1), the first planet device, the second planet device, support
Set (3), support arm (4), driving motor (8), upper A arm (5) and lower A arm (11), driving motor (8) successively drive first
Planet device, the second planet device and wheel hub (1), the upper end of support arm (4) and upper A arm (5) hingedly, lower end and lower A arm
(11) hinged, it is characterised in that: the center of support arm (4) is provided with centre bore (19), in one end of centre bore (19) equipped with driving
Motor (8), the other end are equipped with support sleeve (3), the edge in the space that centre bore (19), driving motor (8) and support sleeve (3) surround
It is axial first planet device and the second planet device are housed side by side, the output shaft (9) of driving motor (8) drives the first planet
Device rotation, the side of the second planet device are stretched out support sleeve (3) band runner hub (1) and are rotated.
2. independent suspension Direct wheel drives system as described in claim 1, it is characterised in that: first planet device includes:
First sun gear (6), first planet carrier (7), the first planet axis (13), the first planetary system gear (10) and the first gear ring (15),
The output shaft (9) of driving motor (8) is extend into centre bore (19), and output shaft (9) is mounted in the center of the first sun gear (6)
Drive its rotation, at two symmetric positions of the first sun gear (6) excircle respectively with a first planetary system gear (10)
Engagement, is respectively provided with the first planet axis (13), two the first planetary system gears at the center of two the first planetary system gears (10)
(10) excircle is engaged with the first gear ring (15) being fixed in centre bore (19), the both ends point of first planet carrier (7) side
It is not fixedly connected with two the first planet axis (13), the other side drives the rotation of the second planet device.
3. independent suspension Direct wheel drives system as claimed in claim 2, it is characterised in that: second planet device includes:
Second sun gear (20), the second planet carrier (12), the second planet axis (14), the second planetary system gear (21) and the second gear ring
(16), the other side of first planet carrier (7) drives its rotation mounted in the center of the second sun gear (20), in the second sun gear (20)
It is engaged respectively with a second planetary system gear (21) at two symmetric positions of excircle, in two the second planetary system gears
(21) center is respectively provided with the second planet axis (14), the excircle of two the second planetary system gears (21) and is fixed on centre bore
(19) the second gear ring (16) engagement in, the both ends of the second planet carrier (12) side are fixed with two the second planet axis (14) respectively
Connection, the other side pass through support sleeve (3) band runner hub (1) and rotate.
4. independent suspension Direct wheel drives system as claimed in claim 3, it is characterised in that: independent suspension Direct wheel drives system is also
It include: adapter flange (17), the other side of the second planet carrier (12) is mounted in the center of adapter flange (17) and drives its rotation, takes turns
Hub (1) is sleeved on adapter flange (17) and support sleeve (3), and is fixed on the excircle of adapter flange (17).
5. independent suspension Direct wheel drives system as claimed in claim 4, it is characterised in that: the center line of the output shaft (9)
On the same line with wheel hub (1) center line.
6. independent suspension Direct wheel drives system as claimed in claim 5, it is characterised in that: support sleeve (3) and wheel hub (1) it
Between torus space in, along wheel hub (1) axial direction dress there are two bearing (18).
7. independent suspension Direct wheel drives system as claimed in claim 6, it is characterised in that: the bearing (18) is tapered shaft
It holds.
8. independent suspension Direct wheel drives system as claimed in claim 7, it is characterised in that: independent suspension Direct wheel drives system is also
It include: brake (2), which uses on wheel hub (1) excircle between wheel hub (1) and support sleeve (3) axial direction
It is braked in wheel hub (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811260325.8A CN109383281A (en) | 2018-10-26 | 2018-10-26 | The drive system on independent suspension wheel side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811260325.8A CN109383281A (en) | 2018-10-26 | 2018-10-26 | The drive system on independent suspension wheel side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109383281A true CN109383281A (en) | 2019-02-26 |
Family
ID=65427941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811260325.8A Pending CN109383281A (en) | 2018-10-26 | 2018-10-26 | The drive system on independent suspension wheel side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109383281A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201509123U (en) * | 2009-08-31 | 2010-06-16 | 比亚迪股份有限公司 | Hub motor system and lubricating system thereof |
| DE102011005624A1 (en) * | 2011-03-16 | 2012-09-20 | Zf Friedrichshafen Ag | Drive device for driving wheel for electrically driven vehicle, comprises electric machine and two planetary gears connected in series in output side of electric machine in force flow direction in train operation |
| CN106335356A (en) * | 2016-09-22 | 2017-01-18 | 中国北方车辆研究所 | Hub motor drive device with speed-reducing mechanism |
| CN106864251A (en) * | 2017-02-14 | 2017-06-20 | 北京理工大学 | Wheel motor drive device |
| CN108443422A (en) * | 2018-05-07 | 2018-08-24 | 北京理工大学 | A kind of wheel motor drive device |
| CN209351249U (en) * | 2018-10-26 | 2019-09-06 | 北京理工华创电动车技术有限公司 | The drive system on independent suspension wheel side |
-
2018
- 2018-10-26 CN CN201811260325.8A patent/CN109383281A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201509123U (en) * | 2009-08-31 | 2010-06-16 | 比亚迪股份有限公司 | Hub motor system and lubricating system thereof |
| DE102011005624A1 (en) * | 2011-03-16 | 2012-09-20 | Zf Friedrichshafen Ag | Drive device for driving wheel for electrically driven vehicle, comprises electric machine and two planetary gears connected in series in output side of electric machine in force flow direction in train operation |
| CN106335356A (en) * | 2016-09-22 | 2017-01-18 | 中国北方车辆研究所 | Hub motor drive device with speed-reducing mechanism |
| CN106864251A (en) * | 2017-02-14 | 2017-06-20 | 北京理工大学 | Wheel motor drive device |
| CN108443422A (en) * | 2018-05-07 | 2018-08-24 | 北京理工大学 | A kind of wheel motor drive device |
| CN209351249U (en) * | 2018-10-26 | 2019-09-06 | 北京理工华创电动车技术有限公司 | The drive system on independent suspension wheel side |
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