CN108422823A - A kind of independent suspension using tilting leaf spring - Google Patents
A kind of independent suspension using tilting leaf spring Download PDFInfo
- Publication number
- CN108422823A CN108422823A CN201810234899.1A CN201810234899A CN108422823A CN 108422823 A CN108422823 A CN 108422823A CN 201810234899 A CN201810234899 A CN 201810234899A CN 108422823 A CN108422823 A CN 108422823A
- Authority
- CN
- China
- Prior art keywords
- leaf spring
- tilting leaf
- tilting
- wheel
- vehicle frame
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
- B60G15/04—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and mechanical damper or dynamic damper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/06—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only arranged obliquely to the longitudinal axis of the vehicle
Abstract
The present invention relates to a kind of independent suspension using tilting leaf spring, the suspension which is installed respectively by vehicle frame and vehicle frame both sides forms, and suspension is made of vehicle frame connecting elements, four tilting leaf springs, wheel connecting elements, spring damper and wheel；Leaf spring one end is connected by vehicle frame connecting elements with vehicle frame, and the other end is connected by wheel connecting elements with wheel；One end of spring damper is fixedly connected with vehicle frame, and the other end of spring damper is connect by bolt with hub for vehicle wheel unit.The beneficial effects of the invention are as follows：The tilting plate spring suspension brackets of independence used in the present invention, effectively prevent the influence of single wheel moved up and down to other side wheel, improve the ride performance of vehicle；The tilting leaf spring that uses is opposite with the longitudinal multi-disc leaf spring of tradition, the variable quantity of vehicle wheel alignment parameter in the process of moving can be effectively reduced, tilting leaf spring essence belongs to parallel-connection structure, ensure that the bearing capacity and reliability of vehicle, reduces the inordinate wear of tire.
Description
Technical field
The present invention relates to automotive engineering technology fields, and in particular to a kind of independent suspension using tilting leaf spring.
Background technology
Automotive suspension is with can ensure that wheel and vehicle frame (or vehicle body) there is elasticity to contact and can bear bearing for automobile
Lotus mitigates impact, adjusts automobile vehicle body position etc. in the process of moving, directly determines that the operational stability of automobile and traveling are flat
Stability.The structure feature of independent suspension is that every side wheel is connect individually through elastomeric element with vehicle frame.Rigid axle suspension
Structure feature is that both sides wheel is connected by an integral axle, and wheel and vehicle bridge are integrally connected with vehicle frame by elastomeric element again
It connects, it has the advantages that large carrying capacity, reliability are high, simple in structure low with production cost；Commercial car front-axle structure is equal at present
Using dependent plate spring suspension brackets, since the wheel of both sides is rigidly connected by hard axis, in the process of moving, leaf spring is loaded for vehicle
Deformation causes wheel alignment parameter to change greatly, and vehicle control stability is caused to be deteriorated；Incline energy to improve vehicle anti-side simultaneously
Power increases the carrying centre-to-centre spacing of vehicle, and wheel steering range is caused to reduce, and the low speed flexibility of automobile is deteriorated.
Existing suspension leaf spring is the compound leaf spring of multi-disc, and allows relative motion between leaf spring and knuckle, is jumped in wheel
It is easy to cause leaf spring and knuckle serious wear during dynamic, possibly even occurs the thing that wheel laterally falls off under extreme loads
Therefore.
Invention content
The present invention solves above-mentioned deficiency in the prior art, and the longitudinal leaf spring of multi-disc or use are used for commercial vehicle
The problem of the longitudinal leaf spring of monolithic and intensity deficiency, provides a kind of independent suspension using tilting leaf spring, by enabling the suspension
Improve wheel alignment parameter, increase carrying centre-to-centre spacing, improve whole bearing capability and anti-roll capability, avoid the inclination of tire,
Reduce the inordinate wear of tire.
The technical solution adopted by the present invention to solve the technical problems is：This independent suspension using tilting leaf spring, should
The suspension that suspension is installed respectively by vehicle frame and vehicle frame both sides forms, and suspension is connected by vehicle frame connecting elements, four tilting leaf springs, wheel
Connection member, spring damper and wheel are constituted；Leaf spring one end is connected by vehicle frame connecting elements with vehicle frame, and the other end passes through wheel
Connecting elements is connected with wheel；One end of spring damper is fixedly connected with vehicle frame, and the other end of spring damper passes through bolt
It is connect with hub for vehicle wheel unit.
Four articles of tilting leaf springs are respectively the first tilting leaf spring, the second tilting leaf spring, the tilting leaf spring of third and the 4th
Tilting leaf spring, the first tilting leaf spring and the 4th tilting leaf spring are symmetrical about vehicle bridge, the second tilting leaf spring and third canted-plate
Spring is symmetrical about vehicle bridge；The intersection of longitudinally asymmetric median plane determined by first tilting leaf spring, the 4th tilting leaf spring and second
The intersection of longitudinally asymmetric median plane determined by the tilting leaf spring of tilting leaf spring, third is parallel to each other or conllinear；First tilting
Between leaf spring and the 4th tilting leaf spring the angular range of identified longitudinally asymmetric median plane be 60 °~120 ° preferably,
The angle of longitudinally asymmetric median plane is 90 ° determined by first tilting leaf spring and the 4th tilting leaf spring；Second canted-plate
The angular range of identified longitudinally asymmetric median plane is 60 °~120 ° between spring and the tilting leaf spring of third piece, preferably, the
The angle of two tilting leaf springs and longitudinally asymmetric median plane determined by the tilting leaf spring of third piece is 90 °.
The first backing plate is equipped between the tilting leaf spring of described every and vehicle frame connecting elements, every tilting leaf spring connects with vehicle bridge
The second backing plate is equipped between connection member.
Bushing is installed inside the tilting leaf spring being connect with vehicle frame connecting elements.
First backing plate, the second backing plate and the bushing is all made of rubber material.
The beneficial effects of the invention are as follows：It is had the following advantages compared with existing design and high-lighting effect：Relative to entirety
Formula vehicle bridge, the tilting plate spring suspension brackets of independence used in of the invention, effectively prevents moving up and down to other side vehicle for single wheel
The influence of wheel improves the ride performance of vehicle；The tilting leaf spring used simultaneously is designed with the longitudinal multi-disc leaf spring of tradition relatively,
The variable quantity of vehicle wheel alignment parameter in the process of moving can be effectively reduced, tilting leaf spring essence belongs to parallel-connection structure, protects
The bearing capacity and reliability for having demonstrate,proved vehicle reduce the inordinate wear of tire, while its carrying centre-to-centre spacing is larger, improves vehicle
Anti-roll capability is conducive to vehicle control stability.Compared with the semi-independent plate spring suspension brackets of the prior art, the independent suspension in the present invention
Spring cushion is increased, suspension overall stiffness can not only be improved, improves wheel alignment parameter, and can be significantly increased outstanding
The bearing capacity and reliability of frame system；The leaf spring is monolithic leaf spring simultaneously, can reduce processing, assembly technology difficulty, subtract
Few production cost, and leaf spring both ends are bolted, and avoid the side of flexible connection of leaf spring and knuckle in existing design
Formula, it can be ensured that the reliability of suspension system.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structural schematic diagram of the tilting leaf spring both ends connection of the present invention.
Fig. 3 is the structural schematic diagram that four tilting plate spring structures of the present invention are connected with vehicle frame.
Fig. 4 is the structural schematic diagram of the spring damper of the present invention.
Fig. 5 is the partial structural diagram 1 of the present invention.
Fig. 6 is the partial structural diagram 2 of the present invention.
Fig. 7 is the partial structural diagram 3 of the present invention.
Reference sign：1. vehicle frame；2. suspension；3. vehicle frame connecting elements；4. tilting leaf spring；The first tilting backing plates of 4a.；
The second tilting backing plates of 4b.；The tilting backing plate of 4c. thirds；5. wheel connecting elements of the 4th tilting backing plates of 4d.；6. spring damper；7.
Wheel；8. the first backing plate；9. the second backing plate；10. bushing；11. pin hole；12. through-hole.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
As shown in the figure：This independent suspension using tilting leaf spring, the suspension are installed respectively by vehicle frame 1 and 1 both sides of vehicle frame
Suspension 2 form, suspension 2 is by 3, four tilting leaf springs 4 of vehicle frame connecting elements, wheel connecting elements 5, spring damper 6 and vehicle
Wheel 7 is constituted；4 one end of tilting leaf spring is connected by vehicle frame connecting elements 3 with vehicle frame 1, and the other end passes through wheel connecting elements 5 and vehicle
Wheel 7 is connected；One end of spring damper 6 is fixedly connected with vehicle frame 1, and the other end of spring damper 6 passes through bolt and vehicle wheel
Hub unit connects.Four tilting leaf springs 4 are respectively the first tilting leaf spring 4a, the second tilting leaf spring 4b, third canted-plate
The tilting leaf spring 4d of spring 4c and the 4th, the first tilting leaf spring 4a and the 4th tilting leaf spring 4d is symmetrical about vehicle bridge, and second is tilting
Leaf spring 4b and the tilting leaf spring 4c of third are symmetrical about vehicle bridge；It is longitudinal determined by first tilting leaf spring 4a, the 4th tilting leaf spring 4d
The intersection of longitudinally asymmetric median plane determined by the intersection in symmetrical centre face and second tilting leaf spring 4b, the tilting leaf spring 4c of third
It is parallel to each other or conllinear；Identified longitudinally asymmetric median plane between first tilting leaf spring 4a and the 4th tilting leaf spring 4d
Angular range be 60 °~120 °, preferably, determined by first tilting leaf spring 4a and the 4th tilting leaf spring 4d longitudinally
The angle in symmetrical centre face is 90 °；It is identified longitudinally asymmetric between second tilting leaf spring 4b and the tilting leaf spring 4c of third piece
The angular range of median plane is 60 °~120 °, preferably, second tilting leaf spring 4b is determined with the tilting leaf spring 4c of third piece
The angle of longitudinally asymmetric median plane be 90 °.The first pad is equipped between the tilting leaf spring 4 of described every and vehicle frame connecting elements 3
Plate 8 is equipped with the second backing plate 9 between every tilting leaf spring and vehicle bridge connecting elements.Described being connect with vehicle frame connecting elements 3 is oblique
It sets and bushing 10 is installed inside leaf spring 4.First backing plate 8, the second backing plate 9 and the bushing 10 is all made of rubber material.
Wherein Fig. 1 is the general structure schematic diagram of the present invention, which includes vehicle frame 1, spring damping
Two suspensions 2 of 1 both sides of device 6 and vehicle frame, overall structure is symmetrical about the longitudinally asymmetric median plane m of vehicle frame 1, per side suspension 2
Device includes four tilting leaf springs 4, wheel connecting elements 5, wheel 7, vehicle frame connecting elements 3；Wheel connecting elements 5 is solid with vehicle bridge
It connects, spring cushion 6 is connected by hub-bearing unit and wheel 7；Vehicle frame connecting elements 3 is fixedly connected on vehicle frame 1.Four
Tilting leaf spring, i.e., the first tilting leaf spring 4a, the second tilting leaf spring 4b, third tilting tilting leaf spring 4d of leaf spring 4c and the 4th, every
One end of tilting leaf spring 4 and vehicle frame connecting elements 3 connect, and the other end and wheel connecting elements 5 connect；First tilting leaf spring 4a with
4th tilting leaf spring 4d is symmetrical about hub for vehicle wheel line, and the second tilting leaf spring 4b and tilting leaf spring 4c of third is about hub for vehicle wheel
Line is symmetrical；The intersection of longitudinally asymmetric median plane determined by first tilting leaf spring 4a, the 4th tilting leaf spring 4d and second tilting
The intersection of longitudinally asymmetric median plane determined by the tilting leaf spring 4c of leaf spring 4b, third is parallel to each other or conllinear.
Fig. 2 is tilting leaf spring both ends attachment structure schematic diagram, wherein first one end tilting leaf spring 4a is equipped with the first pad
Then plate 8 is bolted with vehicle frame connecting elements 3；The other end is equipped with the second backing plate 9, then with wheel connecting elements 5
It is connected by pin.
Fig. 3 is the structural schematic diagram that tilting leaf spring is connect with vehicle frame, longitudinally asymmetric median plane m of the structure about vehicle frame 1
Symmetrically.One end of tilting leaf spring 4 is bolted on vehicle frame connecting elements 3, and the other end is also to be bolted in vehicle
On wheel connection framework 5, wheel connecting elements 5 is connect with spring cushion 6 by pin, and vehicle frame connecting elements 3 is bolted
In on vehicle frame 1.The identical connection type of use of four tilting leaf springs 4.
Fig. 4 is spring cushion schematic diagram.Pin hole 11 is connect with wheel connecting elements 5；The through-hole 12 of the other end and vehicle frame 1
It is connected by pin.
Fig. 5 is the independent suspension principle schematic using tilting leaf spring.The first tilting tilting leaf spring 4b of leaf spring 4a and second
About 6 both sides of spring cushion are arranged in, when wheel 7 is beated upwards by vertical load, the deformation of tilting leaf spring 4 has pair
Title property；Spring cushion 6 connects wheel 7 and vehicle frame 1 simultaneously, and the positional parameter of wheel 7 is in theory in 7 hopping process of wheel
It remains unchanged.When wheel 7 is by lateral or longitudinal loading, due to 4 flexible deformation of tilting leaf spring, the positional parameter meeting of wheel 7
Change in smaller range.Due to be subject to it is each mainly undertaken to 7 load of wheel by tilting leaf spring 4, in wheel hop
When, spring damper 6 bears larger load, and tilting leaf spring 4 not will produce apparent flexural deformation.Tilting leaf spring 4 and vehicle
The scheme of connection type for taking turns connecting elements 3 is：Tilting leaf spring ends are processed as grasswort, and are equipped with bushing 10, then use spiral shell
Bushing 10 is connect by bolt with wheel connecting elements 5.
As shown in fig. 6, the structural schematic diagram of tilting leaf spring 4 and wheel connecting elements 5；Fig. 7 is that (π planes are the along π planes
The longitudinally asymmetric median plane of three tilting leaf spring 4c) sectional view, bushing 10 is installed at 4 grasswort of tilting leaf spring, and pass through bolt
It is connect with wheel connecting elements 5.
Canted-plate spring independent suspension provided by the present invention comprising spring cushion, increases the bearing capacity of suspension, energy
The inclination problem of effective solution wheel.The present invention with the longitudinal multi-disc leaf spring of tradition, can effectively reduce vehicle and travel relatively
The variable quantity of wheel alignment parameter in the process, while increasing spring shock absorption mechanism ensure that the bearing capacity of vehicle and reliable
Property, the inordinate wear of tire is reduced, while its carrying centre-to-centre spacing is larger, improve vehicle anti-roll capability, is conducive to vehicle behaviour
Handing stability.More involved semi-independent plate spring suspension brackets, the both sides suspension in the present invention increase spring simultaneously
Damping can not only improve suspension overall stiffness, improve the positional parameter of wheel 7, and suspension system can be significantly increased
The bearing capacity and reliability of system.Therefore the present invention uses the structure of tilting leaf spring in parallel, and increases spring shock absorption mechanism
Independent suspension reduces wheel alignment parameter variable quantity, also ensure the bearing capacity and reliability of suspension.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (5)
1. a kind of independent suspension using tilting leaf spring, the suspension which is installed respectively by vehicle frame (1) and vehicle frame (1) both sides
(2) it forms, it is characterised in that：Suspension (2) by vehicle frame connecting elements (3), four tilting leaf springs (4), wheel connecting elements (5),
Spring damper (6) and wheel (7) are constituted；Tilting leaf spring (4) one end is connected by vehicle frame connecting elements (3) with vehicle frame (1), separately
One end is connected by wheel connecting elements (5) with wheel (7)；One end of spring damper (6) is fixedly connected with vehicle frame (1), bullet
The other end of spring damper (6) is connect by bolt with hub for vehicle wheel unit.
2. the independent suspension according to claim 1 using tilting leaf spring, it is characterised in that：Four tilting leaf springs
(4) it is respectively the first tilting leaf spring (4a), the second tilting leaf spring (4b), the tilting leaf spring of third (4c) and the 4th tilting leaf spring
(4d), the first tilting leaf spring (4a) and the 4th tilting leaf spring (4d) are symmetrical about vehicle bridge, the second tilting leaf spring (4b) and the
Three tilting leaf springs (4c) are symmetrical about vehicle bridge；It is longitudinally asymmetric determined by first tilting leaf spring (4a), the 4th tilting leaf spring (4d)
The intersection of longitudinally asymmetric median plane determined by the intersection of median plane and second tilting leaf spring (4b), the tilting leaf spring of third (4c)
It is parallel to each other or conllinear；Between first tilting leaf spring (4a) and the 4th tilting leaf spring (4d) it is identified it is longitudinally asymmetric in
The angular range in heart face is 60 °~120 °, preferably, first tilting leaf spring (4a) and the 4th tilting leaf spring (4d) institute are true
The angle of fixed longitudinally asymmetric median plane is 90 °；Institute is true between second tilting leaf spring (4b) and the tilting leaf spring of third piece (4c)
The angular range of fixed longitudinally asymmetric median plane is 60 °~120 °, preferably, second tilting leaf spring (4b) and third piece are oblique
The angle for setting longitudinally asymmetric median plane determined by leaf spring (4c) is 90 °.
3. the independent suspension according to claim 1 using tilting leaf spring, it is characterised in that：The tilting leaf spring of described every
(4) it is equipped with the first backing plate (8) between vehicle frame connecting elements (3), the is equipped between every tilting leaf spring and vehicle bridge connecting elements
Two backing plates (9).
4. the independent suspension according to claim 1 using tilting leaf spring, it is characterised in that：Described connect structure with vehicle frame
Bushing (10) is installed inside the tilting leaf spring (4) of part (3) connection.
5. the independent suspension according to claim 1 using tilting leaf spring, it is characterised in that：First backing plate (8),
Second backing plate (9) and bushing (10) are all made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810234899.1A CN108422823A (en) | 2018-03-21 | 2018-03-21 | A kind of independent suspension using tilting leaf spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810234899.1A CN108422823A (en) | 2018-03-21 | 2018-03-21 | A kind of independent suspension using tilting leaf spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108422823A true CN108422823A (en) | 2018-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810234899.1A Pending CN108422823A (en) | 2018-03-21 | 2018-03-21 | A kind of independent suspension using tilting leaf spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108422823A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1995087A2 (en) * | 2007-05-25 | 2008-11-26 | Audi AG | Wheel suspension for motor vehicles |
| CN203401898U (en) * | 2013-08-02 | 2014-01-22 | 上海通用汽车有限公司 | Automobile rear independent suspension |
| CN104875568A (en) * | 2015-06-15 | 2015-09-02 | 清华大学 | Non-independent suspension adopting oblique leaf springs |
| CN104890463A (en) * | 2015-06-15 | 2015-09-09 | 清华大学 | Automobile double-front axle structure with semi-independent inclined leaf spring |
| CN209022705U (en) * | 2018-03-21 | 2019-06-25 | 万向钱潮股份有限公司 | Using the independent suspension of tilting leaf spring |
-
2018
- 2018-03-21 CN CN201810234899.1A patent/CN108422823A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1995087A2 (en) * | 2007-05-25 | 2008-11-26 | Audi AG | Wheel suspension for motor vehicles |
| CN203401898U (en) * | 2013-08-02 | 2014-01-22 | 上海通用汽车有限公司 | Automobile rear independent suspension |
| CN104875568A (en) * | 2015-06-15 | 2015-09-02 | 清华大学 | Non-independent suspension adopting oblique leaf springs |
| CN104890463A (en) * | 2015-06-15 | 2015-09-09 | 清华大学 | Automobile double-front axle structure with semi-independent inclined leaf spring |
| CN209022705U (en) * | 2018-03-21 | 2019-06-25 | 万向钱潮股份有限公司 | Using the independent suspension of tilting leaf spring |
Non-Patent Citations (1)
| Title |
|---|
| 刘尧等: "商用车斜置板簧独立悬架结构参数优化设计", 《汽车科技》 * |
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Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant after: Wanxiang Qianchao Co.,Ltd. Applicant after: WANXIANG GROUP Co.,Ltd. Address before: No.1 Wanxiang Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Applicant before: WANXIANG QIANCHAO Co.,Ltd. Applicant before: WANXIANG GROUP Co.,Ltd. |