CN208291325U - A kind of distribution four-wheel driving electric vehicle independent steering assembly - Google Patents
A kind of distribution four-wheel driving electric vehicle independent steering assembly Download PDFInfo
- Publication number
- CN208291325U CN208291325U CN201820907164.6U CN201820907164U CN208291325U CN 208291325 U CN208291325 U CN 208291325U CN 201820907164 U CN201820907164 U CN 201820907164U CN 208291325 U CN208291325 U CN 208291325U
- Authority
- CN
- China
- Prior art keywords
- steering
- turning
- arm
- steering mechanism
- lower arm
- 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
Links
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model belongs to auto steerer technical field, more particularly to a kind of distributed four-wheel driving electric vehicle independent steering assembly, it includes and turns to upper arm, turns to lower arm and rotatable wheel hub, wheel hub setting is on turning to lower arm, turning to upper arm connection has the first steering mechanism, and the rotation for turning to upper arm may be implemented by the first steering mechanism, turns to lower arm and couples with upper arm rotation is turned to, turning to lower arm connection has the second steering mechanism, and the rotation for turning to lower arm may be implemented by the second steering mechanism.The design of steering mechanism makes wheel can be with 360 degree rotation.The design of damping, so that four wheels in same level, increase the smoothness of vehicle.As needed, selection big corner or small angle tower mode in turning.The utility model eliminates the structures such as the horizontal tie-bar of steering and the knuckle arm of conventional steering system, and the small angle tower for turning to lower arm and realizing wheel is driven by the second steering mechanism, drives steering upper arm to realize big corner by the first steering mechanism.
Description
Technical field
The utility model belongs to auto steerer technical field, and in particular to a kind of distribution four-wheel driving electric vehicle
Independent steering assembly.
Background technique
Along with the continuous development of new-energy automobile and intelligent automobile based on electric car, more and more intelligence collection
It is applied to electric car field at technology is changed, traditional automobile steering system gradually can not because of its complicated mechanical structure
Adapt to its increasingly integrated and intelligentized control method development need.Four-wheel independent steering/independent electric drive automobile has four rotation
Angle, four-wheel drive torque is individually controllable and motor response is rapid, controls accurate advantage, it is easy to accomplish four-wheel steering and driving are horizontal
Put Torque Control.Currently, the independent steering electric car steering system having already appeared is that wheel set is driven by steering motor, it is real
Function is turned now to, each wheel of this kind of steering system is equipped with a steering motor, can be realized various driving modes, and can be with
The corner size for preferably distributing four wheels, improves vehicle run stability, but be the shortcomings that this kind of steering system: as long as 1.
There is at least one steering motor system to occur not can control the failure of driving, entire line traffic control independent steering system will be incurred and fall into paralysis
Paralysis and lose normal Turning travel function.2. inconvenient be used for the special operations places such as field, and generally existing rotation model
Enclose the defects of little, not compact and flexible, stationarity is poor enough.
Utility model content
In view of the above technical problems, the utility model provides a kind of distributed four-wheel driving electric vehicle independent steering dress
It sets, which can realize the large rotation angle and Small-angle Rotation of wheel, and can avoid a certain electrical fault and cause system paralysed
The phenomenon that paralysis.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows:
A kind of distribution four-wheel driving electric vehicle independent steering assembly, including turn to upper arm, turn to lower arm and can be rotated
Wheel hub, on turning to lower arm, the steerings upper arm, which couples, the first steering mechanism for wheel hub setting, passes through the first turning machine
Structure may be implemented to turn to the rotation of upper arm, and the steerings lower arm couples with turning to upper arm and rotate, and the steering lower arm, which couples, the
The rotation for turning to lower arm may be implemented by the second steering mechanism for two steering mechanism.
First steering mechanism includes first motor and the first deceleration mechanism, and the first motor passes through the first speed reducer
Structure couples with upper arm is turned to.
Second steering mechanism includes the second motor and the second deceleration mechanism, and second motor passes through the second speed reducer
Couple with lower arm is turned to.
The steering upper arm includes optical axis and boss, and the boss couples with one end of optical axis, the other end of optical axis and
The connection of one steering mechanism, the boss are equipped with the upper plate that couple with the second steering mechanism, the boss equipped with under steering
The upper fixing element and lower fixing piece of arm connection.
The steering lower arm includes multi-diameter shaft and terminal pad, and the multi-diameter shaft is coupled by ribs with terminal pad, described
Terminal pad couples with wheel hub, and the multi-diameter shaft couples with upper fixing element and lower fixing piece, and connection place is respectively equipped with bearing.
The steering upper arm is equipped with damper, can be driven by the first steering mechanism and turn to upper arm and damper turn
It is dynamic.
The damper includes upper connector and lower connector, and the upper connector is joined by shock absorber part and lower connector
Connect, the shock absorber part at least one.
The shock absorber part includes hydraulic cylinder and spring, and the spring is set in outside hydraulic cylinder, the both ends point of the hydraulic cylinder
Do not couple with upper connector and lower connector.
The utility model compared with prior art, has the beneficial effect that
The design of steering mechanism makes wheel can be with 360 degree rotation.The design of damping, so that four wheels are same
In horizontal plane, the smoothness of vehicle is increased.The device may make that wheel is as needed, selection big corner or small angle tower in turning
Mode.The utility model eliminates the structures such as the horizontal tie-bar of steering and the knuckle arm of conventional steering system, passes through the second turning machine
Structure driving turns to the small angle tower that lower arm realizes wheel, drives steering upper arm to realize big corner by the first steering mechanism.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram that the utility model turns to upper arm；
Fig. 3 is the structural schematic diagram that the utility model turns to lower arm；
Fig. 4 is the structural schematic diagram of the utility model damper；
Wherein: 1 is wheel hub, and 2 be hub motor, and 3 is turn to lower arm, and 4 is turn to upper arm, and 5 be damper, and 6 be vehicle frame, 7
It is first motor for the first deceleration mechanism, 8,9 be thrust bearing, and 10 be the second motor, and 11 be the second deceleration mechanism, and 12 be corner connection
Contact bearing, 13 be multi-diameter shaft, and 14 ribs, 15 be terminal pad, and 16 be optical axis, and 17 be boss, and 18 be lower fixing piece, and 19 be upper solid
Determine part, 20 be upper plate, and 21 be lower connector, and 22 be hydraulic cylinder push rod, and 23 be hydraulic cylinder, and 24 be upper connector, and 25 be spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, a kind of distribution four-wheel driving electric vehicle independent steering assembly, including turn under upper arm 4, steering
Arm 3 and rotatable wheel hub 1, wheel hub 1 realize rotation by hub motor 2, and wheel hub 1 is connect with hub motor rotor bolt, take turns
Hub motor stator is bolted with lower arm 3 is turned to, and turning to the connection of upper arm 4 has the first steering mechanism, can by the first steering mechanism
It to realize the rotation for turning to upper arm 4, turns to lower arm 3 and couples with the rotation of upper arm 4 is turned to, turning to the connection of lower arm 3 has the second turning machine
The rotation for turning to lower arm 3 may be implemented by the second steering mechanism for structure, and the first steering mechanism, which drives to turn to upper arm 4 and realize, to be turned greatly
To the second steering mechanism drives steering lower arm 3 to realize small steering.
First deceleration mechanism 7 can use planetary reducer in the prior art, and the second deceleration mechanism 11 can adopt
With gear reduction unit in the prior art.The specific structure of planetary reducer and gear reduction unit is those skilled in the art
It is well known, therefore do not elaborate herein.
It turns to upper arm 4 to couple with the rotation of vehicle frame 6, the first steering mechanism includes first motor 8 and the first deceleration mechanism 7(row
Star gear reduction unit), first motor 8 is driven by planetary reducer turns to the rotation of upper arm 4.The shell of first motor 8 with
The shell of planetary reducer couples or couples with vehicle frame 6, as long as 8 housing into rotation of first motor can be prevented；First
The output shaft of motor 8 couples with the input shaft of planetary reducer, and the shell of planetary reducer couples with vehicle frame 6, row
The output shaft of star gear reduction unit couples with upper arm 4 is turned to, and rotates to drive and turn to upper arm 4 relative to vehicle frame 6.
Second steering mechanism includes the second motor 10 and the second deceleration mechanism 11(gear reduction unit), the second motor 10 can be with
It is driven by gear reduction unit and turns to lower arm 3 relative to the steering rotation of upper arm 4.The shell of second motor 10 and gear reduction unit
Shell connection, the output shaft of the second motor 10 couples with the input shaft of gear reduction unit, on the shell and steering of gear reduction unit
Arm 4 couples, and the output shaft of gear reduction unit couples with lower arm 3 is turned to, and turns to lower arm 3 relative to 4 turns of upper arm of steering to drive
It is dynamic.
It turns to lower arm 3 and can be realized by angular contact bearing 12 and coupled with the rotation for turning to upper arm 4.Angular contact bearing 12
Inner ring couples with lower arm 3 is turned to, and the outer ring of angular contact bearing 12 couples with upper arm 4 is turned to.
The main function of first steering mechanism and the second steering mechanism is to provide driving force, realize turn to upper arm 4 relative to
The rotation of vehicle frame 6 and steering lower arm 3 are relative to the rotation for turning to upper arm 4.Therefore, the first steering mechanism and the second steering mechanism
Specific structure and connecting relation, those skilled in the art can be adjusted according to the actual situation and design.It is above-mentioned, only
One specific embodiment.
As shown in Fig. 2, turning to upper arm 4 includes optical axis 16, boss 17, lower clamping mechanism 18, upper clamping mechanism 19 and upper plate
20, boss 17 couples with one end of optical axis 16, and the other end of optical axis 16 couples with the output shaft of planetary reducer.In order to just
Couple in the second steering mechanism with upper arm 4 is turned to, the upper plate 20 coupled with gear reduction unit shell is equipped on boss 17.Boss
17 are equipped with upper clamping mechanism 19 and lower clamping mechanism 18, by upper clamping mechanism 19 and lower clamping mechanism 18 and turn to lower arm 3
Connection.
As shown in figure 3, turning to lower arm 3 includes multi-diameter shaft 13, reinforcing rib 14 and terminal pad 15, multi-diameter shaft 13 passes through ribs
14 couple with terminal pad 15, and terminal pad 15 couples with hub motor stator, the output shaft of multi-diameter shaft 13 end and gear reduction unit
Connection, multi-diameter shaft 13 and upper clamping mechanism 19 and the rotation of lower clamping mechanism 18 couple, and connection place is respectively equipped with bearing (i.e. angle
Contact bearing 12).
In order to realize independent damping, damper can be equipped on turning to upper arm, it can be with turn by the first steering mechanism
It is rotated to upper arm 4 and damper 5.The specific structure of damper can use structure common in the art, or can adopt
With:
As shown in figure 4, damper 5 includes upper connector 24 and lower connector 21, upper connector 24 is by shock absorber part under
Connector 21 couple, shock absorber part at least one.Shock absorber part includes hydraulic cylinder 23 and spring 25, and spring 25 is set in hydraulic cylinder 23
Outside, the cylinder ends of hydraulic cylinder 23 couple with upper connector 24, and 22 end of hydraulic cylinder push rod couples with lower connector 21.
Upper connector 24 couples with the rotation of vehicle frame 6, can be in structures such as rotation connection place setting thrust bearings 9.Planetary gear
The output shaft of retarder passes through vehicle frame 6(and is equipped with corresponding through-hole) couple with upper connector 24, the optical axis 16 of upper arm 4 is turned to under
Connector 21 is fixedly connected.First motor 8 can drive damper 5 by planetary reducer and turn to upper arm 4 relative to vehicle
Frame 6 rotates.
When first motor 8 works, when the second motor 10 does not work, the shaft of first motor 8 passes through planetary reducer
Slow down, high torque, drives and turn to upper arm 4, turns to lower arm 3 and the rotation of wheel hub 1, wheel realizes big turn to；When the second motor 10
Work, when first motor 8 does not work, deceleration of the shaft of the second motor 10 by gear reduction unit, high torque drive and turn to
Lower arm 3 and wheel hub 1 rotate, and realize the small steering of wheel.
Only the preferred embodiment of the utility model is explained in detail above, but the utility model be not limited to it is above-mentioned
Embodiment can also not depart from the utility model aims within the knowledge of a person skilled in the art
Under the premise of various changes can be made, various change should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of distribution four-wheel driving electric vehicle independent steering assembly, it is characterised in that: including turning to upper arm (4), turning to
Lower arm (3) and rotatable wheel hub (1), on turning to lower arm (3), steering upper arm (4) connection has for wheel hub (1) setting
The rotation for turning to upper arm (4), the steering lower arm (3) and steering may be implemented by the first steering mechanism for first steering mechanism
Upper arm (4) rotation connection, steering lower arm (3) connection have the second steering mechanism, may be implemented to turn by the second steering mechanism
Rotation to lower arm (3).
2. a kind of distributed four-wheel driving electric vehicle independent steering assembly according to claim 1, it is characterised in that: institute
Stating the first steering mechanism includes first motor (8) and the first deceleration mechanism (7), and the first motor (8) passes through the first speed reducer
Structure (7) couples with upper arm (4) are turned to.
3. a kind of distributed four-wheel driving electric vehicle independent steering assembly according to claim 1, it is characterised in that: institute
Stating the second steering mechanism includes the second motor (10) and the second deceleration mechanism (11), and second motor (10) is slowed down by second
Machine couples with lower arm (3) are turned to.
4. a kind of distributed four-wheel driving electric vehicle independent steering assembly according to claim 1, it is characterised in that: institute
Stating and turning to upper arm (4) includes optical axis (16) and boss (17), and the boss (17) couples with one end of optical axis (16), optical axis (16)
The other end couple with the first steering mechanism, the boss (17) is equipped with the upper plate (20) that couples with the second steering mechanism, institute
It states boss (17) and is equipped with the upper fixing element (19) and lower fixing piece (18) coupled with steering lower arm (3).
5. a kind of distributed four-wheel driving electric vehicle independent steering assembly according to claim 4, it is characterised in that: institute
Stating and turning to lower arm (3) includes multi-diameter shaft (13) and terminal pad (15), and the multi-diameter shaft (13) passes through ribs (14) and terminal pad
(15) couple, the terminal pad (15) couples with wheel hub (1), the multi-diameter shaft (13) and upper fixing element (19) and lower fixing piece
(18) couple, and connection place is respectively equipped with bearing.
6. a kind of distributed four-wheel driving electric vehicle independent steering assembly according to claim 1, it is characterised in that: institute
It states and turns to upper arm (4) equipped with damper (5), can be driven by the first steering mechanism and turn to upper arm (4) and damper (5) turn
It is dynamic.
7. a kind of distributed four-wheel driving electric vehicle independent steering assembly according to claim 6, it is characterised in that: institute
Stating damper (5) includes upper connector (24) and lower connector (21), and the upper connector (24) passes through shock absorber part and lower connection
Part (21) connection, the shock absorber part at least one.
8. a kind of distributed four-wheel driving electric vehicle independent steering assembly according to claim 7, it is characterised in that: institute
Stating shock absorber part includes hydraulic cylinder (23) and spring (25), and the spring (25) is set in hydraulic cylinder (23) outside, the hydraulic cylinder
(23) both ends couple with upper connector (24) and lower connector (21) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820907164.6U CN208291325U (en) | 2018-06-12 | 2018-06-12 | A kind of distribution four-wheel driving electric vehicle independent steering assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820907164.6U CN208291325U (en) | 2018-06-12 | 2018-06-12 | A kind of distribution four-wheel driving electric vehicle independent steering assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208291325U true CN208291325U (en) | 2018-12-28 |
Family
ID=64701296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820907164.6U Expired - Fee Related CN208291325U (en) | 2018-06-12 | 2018-06-12 | A kind of distribution four-wheel driving electric vehicle independent steering assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208291325U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108791477A (en) * | 2018-06-12 | 2018-11-13 | 太原科技大学 | A kind of distribution four-wheel driving electric vehicle independent steering assembly |
| CN112373556A (en) * | 2020-11-29 | 2021-02-19 | 上海龙创汽车设计股份有限公司 | Steering system of unmanned four-wheel independent steering chassis platform of low-speed vehicle |
| CN113104102A (en) * | 2021-06-15 | 2021-07-13 | 北京理工大学 | Vehicle wireless electromagnetic transmission omnidirectional driving device and system |
-
2018
- 2018-06-12 CN CN201820907164.6U patent/CN208291325U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108791477A (en) * | 2018-06-12 | 2018-11-13 | 太原科技大学 | A kind of distribution four-wheel driving electric vehicle independent steering assembly |
| CN108791477B (en) * | 2018-06-12 | 2024-01-30 | 太原科技大学 | Independent steering device of distributed four-wheel drive electric automobile |
| CN112373556A (en) * | 2020-11-29 | 2021-02-19 | 上海龙创汽车设计股份有限公司 | Steering system of unmanned four-wheel independent steering chassis platform of low-speed vehicle |
| CN113104102A (en) * | 2021-06-15 | 2021-07-13 | 北京理工大学 | Vehicle wireless electromagnetic transmission omnidirectional driving device and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108791477A (en) | A kind of distribution four-wheel driving electric vehicle independent steering assembly | |
| CN208291325U (en) | A kind of distribution four-wheel driving electric vehicle independent steering assembly | |
| CA1283367C (en) | Automatic road wheel steering system | |
| CN205706845U (en) | A kind of four wheels of electric automobile independent steering assembly | |
| CN107650678B (en) | Chassis system of distributed pure electric vehicle | |
| CN101387164B (en) | Vehicle transverse swinging parking device | |
| CN206125145U (en) | Four -wheel independent steering device mechanism | |
| CN111572629A (en) | Robot chassis with four independently steered wheels | |
| CN211892751U (en) | All-wheel-drive omnidirectional damping intelligent vehicle chassis | |
| CN105564499A (en) | Construction of chassis of distribution-type driven electric vehicle | |
| CN102785566B (en) | Integrated double-cross arm suspension wheel side electric driving system for steering wheel | |
| CN213501652U (en) | Movable chassis | |
| CN107244201A (en) | 360 degree of unilateral independent suspension systems of omnidirectional | |
| CN108146423B (en) | Steering, anti-tilting and driving integrated wheel electric driving system and control method | |
| CN108032900A (en) | A kind of driving of steering-by-wire automobile is with turning to integrating device and vehicle | |
| CN208630693U (en) | A kind of passenger car electric servo steering device | |
| CN207875620U (en) | It is a kind of turn to, anti-dumping and driving integrated form wheel side power drive system | |
| CN110466599A (en) | The steering-by-wire mechanism and its control method that a kind of steering mechanism for electric wheel drive vehicle and suspension integrate | |
| CN211493658U (en) | Driving mechanism for wire control chassis | |
| CN115140160A (en) | Electric drive steering system suitable for fork truck uses | |
| CN211731540U (en) | Tubular column type electric control hydraulic power-assisted steering system of small car | |
| CN204236555U (en) | A kind of circular ball type electric servo steering system | |
| CN209616885U (en) | A kind of vehicle driving driving device of achievable wheel independent control | |
| CN208855719U (en) | The positive and negative 90 degree of corner diverters of hub motor | |
| CN207292122U (en) | A kind of adjustable steering mechanism of initial phase |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 Termination date: 20200612 |