CN201544746U - Rear-axle driving dependent suspension of automobile - Google Patents
Rear-axle driving dependent suspension of automobile Download PDFInfo
- Publication number
- CN201544746U CN201544746U CN2009201802150U CN200920180215U CN201544746U CN 201544746 U CN201544746 U CN 201544746U CN 2009201802150 U CN2009201802150 U CN 2009201802150U CN 200920180215 U CN200920180215 U CN 200920180215U CN 201544746 U CN201544746 U CN 201544746U
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- Prior art keywords
- shock absorber
- shock absorbers
- axle
- rear axle
- automobile
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- 239000000725 suspension Substances 0.000 title claims abstract description 26
- 230000001419 dependent effect Effects 0.000 title claims abstract description 17
- 239000006096 absorbing agent Substances 0.000 claims abstract description 62
- 230000035939 shock Effects 0.000 claims abstract description 61
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 1
- 230000003042 antagnostic effect Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 5
- 230000009191 jumping Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
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Abstract
The utility model discloses a rear-axle driving dependent suspension of an automobile, comprising leaf springs (1) and shock absorbers (3), wherein the leaf springs (1) and the shock absorbers (3) are both arranged at both sides of a rear axle; the shock absorbers (3) arranged at both sides of the rear axle adopt the forward and backward crossing arrangement, namely, one shock absorber (3) tilts forwards, and the other shock absorber (3) tilts backwards, thereby forming an included angle between the two shock absorbers (3) in the projection plane vertical to the rear axle. By adopting the technical scheme, the constraint of equidirectional arrangement of the conventional shock absorbers is broken through, the forward and backward crossing arrangement is adopted, the effective control on torsional vibration of the rear axle is realized through the optimized matching of the installation angle of the shock absorbers and the length of an arm of reacting force generated by the shock absorbers, and the influences on the grounding performance of tires and driving stability caused by torsional vibration of the rear axle are resisted to the maximum extent under the premise of ensuring the smoothness and stable operation of the finished automobile.
Description
Technical field
The utility model belongs to the technical field of automobile construction, relates to the back axle suspension of automobile, and more particularly, the utility model relates to a kind of automobile axle and drives dependent suspension.
Background technology
In traditional rear drive dependent suspension, great majority adopt to indulge puts steel spring as elastic element, double playing the guiding role.Shock absorber cooperates with steel spring, is arranged in both sides in the same way, effectively improves the ride comfort of car load and controls stability.
Referring to the Fig. 1 in this Figure of description and Fig. 2, be the arrangement form of traditional rear-axle drive dependent suspension.F among the figure is that the shock absorber of arranging in the same way produces antagonistic force.
As shown in FIG., the upper end of bumper 3 is connected on the vehicle frame (or vehicle body); The lower end links to each other with steel spring 1, rear driving axle or leaf spring lower bolster, and concrete connection mode is decided by suspension frame structure.Dependent suspension also comprises limiting stopper 2 and hanger 4.
The effect of shock absorber 3 is that the elastic potential energy of spring is converted into heat energy, is dispersed in the air, plays the effect of buffer shock-absorbing.Can effectively improve the ride comfort of car load and control stability.
The rear-axle drive dependent suspension, when car load driving, braking or suspension are beated, the absorber damping force effect of Bu Zhiing in the same way, to rear driving axle and steel spring effect antagonistic force, the direction of antagonistic force all is identical with size.Here we to look shock absorber as a whole, the direction of power as shown in FIG., shown in power F be the antagonistic force on the shock absorber when jumping under the tire; When jumping on the tire, the shock absorber antagonistic force is opposite with direction as shown:
The moment that produces during rear-axle drive produces back axle and reverses, and back axle is produced reverse, and these two torsion superposes mutually, and is all influential to the ground connection performance of tire, the stability of travelling etc. like this.
The shock absorber of Bu Zhiing is because the antagonistic force direction that it produced is identical in the same way, and power can not be cancelled out each other, so the problem that rear suspension above-mentioned reverses is.
The utility model content
Problem to be solved in the utility model provides a kind of automobile axle and drives dependent suspension, its objective is the torsion situation of improving back axle.
To achieve these goals, the technical scheme taked of the utility model is:
This automobile axle provided by the utility model drives dependent suspension, comprise steel spring, shock absorber, described steel spring, shock absorber are distributed in back axle the right and left, the mode that staggered form was arranged before and after the described shock absorber that is distributed in back axle the right and left adopted, be that one of them shock absorber turns forward, another shock absorber recedes, and makes in the projecting plane perpendicular to back axle, and two described shock absorber shapes in an angle.
For making the utility model more perfect, more detailed and concrete technical scheme below also further having proposed, to obtain best practical function, realize goal of the invention better, and improve novelty of the present utility model and creativeness:
In the projecting plane perpendicular to back axle, the lower bolster coupling end of described two shock absorbers and steel spring lays respectively at the front and back of limiting stopper, and is the center symmetrical distribution with the limiting stopper.
The utility model adopts technique scheme, the shock absorber that breaks traditions is arranged to such an extent that fetter in the same way, staggered form is arranged before and after adopting, by changing the optimization of matching of shock absorber setting angle and the length of the antagonistic force arm of force of shock absorber generation, realization is to effective control of back axle torsion oscillations, satisfying car load ride comfort and controlling under the stable prerequisite, resisting the ground connection performance to tire that the back axle torsion oscillations brings, the stability of travelling etc. to greatest extent influences vehicle.Through stressed analysis, two opposition actvies that shock absorber produced have been resisted beat reversing of the back axle that produces and vibrating of the moment of torsion of rear driving axle or suspension about intersecting before and after can drawing, and the direction of power can be at different back axles and steel spring, the layout angle by changing shock absorber and the length of acting force arm reach the optimization coupling that reduces the back axle torsion oscillations with power after synthetic.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification sheets and the mark among the figure are made brief description:
Fig. 1 is that the axle of the arrangement form of traditional rear-axle drive dependent suspension is surveyed scheme drawing;
Fig. 2 is the front projection scheme drawing of structure shown in Figure 1;
Fig. 3 is that the axle of the improved rear-axle drive dependent suspension of the utility model shock absorber arrangement form is surveyed scheme drawing;
Fig. 4 is that the axle of front and back of the present utility model staggered form shock absorber arrangement is surveyed scheme drawing;
Fig. 5 is the front projection scheme drawing of structure shown in Figure 4.
Be labeled as among the figure:
1, steel spring, 2, limiting stopper, 3, shock absorber, 4, hanger.
The specific embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and principle of work, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present utility model, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present utility model structure expressed as Fig. 3 to Fig. 5, for a kind of automobile axle drives dependent suspension, comprise steel spring 1, shock absorber 3, described steel spring 1, shock absorber 3 are distributed in the back axle both sides, establish limiting stopper 2 on the described steel spring 1, and by hanger 4 and body contact.
In order to solve the problem that exists at the described present known technology of this specification sheets background technology part and to overcome its defective, realization improves the goal of the invention of the torsion situation of back axle, and the technical scheme that the utility model is taked is:
As shown in Figure 3, this automobile axle provided by the utility model drives dependent suspension, the mode that staggered form was arranged before and after the described shock absorber 3 that is distributed in back axle the right and left adopted, be that one of them shock absorber 3 turns forward, another shock absorber 3 recedes, make that in projecting plane two described shock absorber 3 shapes in an angle perpendicular to back axle.
As shown in Figure 3, shock absorber 3 adopts the fore-and-aft direction arranged crosswise, and the upper end is connected on the vehicle body (or vehicle frame), and the lower end links to each other with steel spring 1, rear driving axle or steel spring 1 lower bolster, and concrete connection mode is decided by suspension frame structure.
In technique scheme, the arrangement form of shock absorber 3 is different from traditional layout in the same way, has adopted two modes that shock absorber 3 front and back staggered forms are arranged, as shown in Figure 3.Can realize control that back axle is reversed by the combination of the length of the layout angle of different shock absorber 3 and the application force arm of force.
The back axle of dependent suspension twists when driving, braking or suspension are beated, the shock absorber 3 of front and back arranged crosswise produces dumping force in this process effect, to back axle effect antagonistic force, during as a bulk analysis, the direction of antagonistic force is along the axis of shock absorber 3 with shock absorber 3.The direction of power F as shown in Figure 4, shown in power F be the antagonistic force on the shock absorber 3 when jumping under the tire; When jumping on the tire, shock absorber 3 antagonistic forces are opposite with direction as shown.Through stressed analysis, the opposition actv. that two shock absorbers 3 are produced about intersecting before and after can drawing has been resisted beat reversing of the back axle that produces and vibrating of the moment of torsion of rear driving axle or suspension, and the direction of power can be at different back axles and steel spring, the layout angle by changing shock absorber 3 and the length of acting force arm reach the optimization coupling that reduces the back axle torsion oscillations with power after synthetic.
As shown in Figure 4 and Figure 5, in the projecting plane perpendicular to back axle, described two shock absorbers 3 and the lower bolster coupling end of steel spring 1 lay respectively at the front and back of limiting stopper 2, and be the center symmetrical distribution with limiting stopper 2.
A, b two states are staggered form shock absorber arrangement before and after the representative type.Shock absorber 3 setting angles all have different with shock absorber 3 antagonistic force arm of force length L, L '.
In concrete design process, need take all factors into consideration the influence of back axle moment of torsion and steel spring 1 rigidity, structure to suspension.Under the prerequisite of shock absorber 3 front and back arranged crosswise forms, optimization of matching by shock absorber 3 setting angles and antagonistic force arm of force length, satisfying the car load ride comfort and controlling under the stable prerequisite, resisting to greatest extent owing to the influence to vehicle such as the ground connection performance that the back axle torsion oscillations brings, the stability of travelling to tire.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.
Claims (2)
1. an automobile axle drives dependent suspension, comprise steel spring (1), shock absorber (3), described steel spring (1), shock absorber (3) are distributed in back axle the right and left, it is characterized in that: the mode that staggered form was arranged before and after the described shock absorber (3) that is distributed in back axle the right and left adopted, be that one of them shock absorber (3) turns forward, another shock absorber (3) recedes, and makes in the projecting plane perpendicular to back axle, and two described shock absorbers (3) shape in an angle.
2. drive dependent suspension according to the described automobile axle of claim 1, it is characterized in that: in projecting plane perpendicular to back axle, the lower bolster coupling end of described two shock absorbers (3) and steel spring (1) lays respectively at the front and back of limiting stopper (2), and be the center symmetrical distribution with limiting stopper (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201802150U CN201544746U (en) | 2009-10-29 | 2009-10-29 | Rear-axle driving dependent suspension of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201802150U CN201544746U (en) | 2009-10-29 | 2009-10-29 | Rear-axle driving dependent suspension of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201544746U true CN201544746U (en) | 2010-08-11 |
Family
ID=42599908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201802150U Expired - Lifetime CN201544746U (en) | 2009-10-29 | 2009-10-29 | Rear-axle driving dependent suspension of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201544746U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729756A (en) * | 2012-06-29 | 2012-10-17 | 奇瑞汽车股份有限公司 | Rear suspension system for rear-drive off-road vehicle |
| CN102922966A (en) * | 2011-08-08 | 2013-02-13 | 上海双杰科技有限公司 | Rear overhang belt lateral rod structure for micro van |
| CN106627023A (en) * | 2016-12-28 | 2017-05-10 | 云南力帆骏马车辆有限公司 | Rear suspension damping device and truck |
| CN111716975A (en) * | 2020-07-29 | 2020-09-29 | 北京北方车辆集团有限公司 | Independent suspension system of trailer |
| CN113602050A (en) * | 2021-08-12 | 2021-11-05 | 安徽江淮汽车集团股份有限公司 | Integral bridge type suspension |
-
2009
- 2009-10-29 CN CN2009201802150U patent/CN201544746U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922966A (en) * | 2011-08-08 | 2013-02-13 | 上海双杰科技有限公司 | Rear overhang belt lateral rod structure for micro van |
| CN102729756A (en) * | 2012-06-29 | 2012-10-17 | 奇瑞汽车股份有限公司 | Rear suspension system for rear-drive off-road vehicle |
| CN102729756B (en) * | 2012-06-29 | 2015-04-29 | 奇瑞汽车股份有限公司 | Rear suspension system for rear-drive off-road vehicle |
| CN106627023A (en) * | 2016-12-28 | 2017-05-10 | 云南力帆骏马车辆有限公司 | Rear suspension damping device and truck |
| CN111716975A (en) * | 2020-07-29 | 2020-09-29 | 北京北方车辆集团有限公司 | Independent suspension system of trailer |
| CN111716975B (en) * | 2020-07-29 | 2024-05-14 | 北京北方车辆集团有限公司 | Independent suspension system of trailer |
| CN113602050A (en) * | 2021-08-12 | 2021-11-05 | 安徽江淮汽车集团股份有限公司 | Integral bridge type suspension |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |
|
| CX01 | Expiry of patent term |