CN109177671A - Manufacturing method, multi link formula rear suspension and the vehicle of multi link formula rear suspension - Google Patents
Manufacturing method, multi link formula rear suspension and the vehicle of multi link formula rear suspension Download PDFInfo
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- CN109177671A CN109177671A CN201811228680.7A CN201811228680A CN109177671A CN 109177671 A CN109177671 A CN 109177671A CN 201811228680 A CN201811228680 A CN 201811228680A CN 109177671 A CN109177671 A CN 109177671A
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- rear suspension
- multi link
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- curved
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- Chemical Kinetics & Catalysis (AREA)
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to automobile technical fields, more particularly, to the manufacturing method, multi link formula rear suspension and vehicle of a kind of multi link formula rear suspension；Preparation method is to manufacture multi link rear suspension model according to existing multi link formula rear suspension；Braking simulation test is carried out to multi link rear suspension model, is found out in multi link rear suspension model and curved radius is entered to low speed and goes out curved effect of radius position at a high speed and carries out hard spot label；Rigidity, stiffness or position are carried out to the component that label has to be adjusted, and after adjusting, are carried out braking simulation test again, are obtained the multi link rear suspension model of final optimization pass；According to the multi link rear suspension model manufacturing multi link rear suspension after being optimized, it is poor to solve vehicle turning trackability of the existing technology that multi link rear suspension is manufactured by the manufacturing method of multi link formula rear suspension, when low speed turns to, turning radius is big, and mobility is poor；The technical issues of when high speed is excessively curved, vehicle is unstable, is easy to appear rear whipping phenomenon.
Description
Technical field
The present invention relates to automotive suspension technical field, more particularly, to a kind of manufacturing method, more of multi link formula rear suspension
Link-type rear suspension and vehicle.
Background technique
Automobile industry has been devoted to that the research of rear axle can be turned to for many years, and the steering angle of bridge before adjusting is assisted with this,
To promote the dynamic property of drive safety and vehicle.Adopt angstrom active rear steer /ARS system for inspiring confidence in the research and development of (ZF) company
(AKC) can be with volume production, which makes it possible that vehicle rear axle is realized and turns to by changing toeing-in angle.AKC
The toe-in angle for changing rear-wheel, ensures that turning function.Mobility such as between parking, low speed and urban transportation as a result,
It is improved.This is to be turned in the opposite direction by rear-wheel to realize.Similarly, the turning radius of vehicle also reduces
?.On the other hand, rear-wheel is turned to same direction, so that vehicle is extremely stable in high speed (60km/h), especially evades behaviour
When work or lane change operate.
And existing vehicle low speed turn to when, turning radius is big, and mobility is poor；When high speed is excessively curved, vehicle is unstable, holds
Whipping phenomenon after easily occurring.AKC system only has less luxury car's configuration, such as Audi Q7, Porsche 911 etc., if vehicle is adopted
It will be obviously increased with the manufacturing cost of AKC system, vehicle, and short make not popularizing in period.
Therefore, the present invention is badly in need of providing manufacturing method, the multi link formula of a kind of multi link formula rear suspension regarding to the issue above
Rear suspension and vehicle.
Summary of the invention
The purpose of the present invention is to provide a kind of manufacturing method of multi link formula rear suspension, multi link formula rear suspension and vehicles
, multi link rear suspension is manufactured by the manufacturing method of multi link formula rear suspension with solve vehicle turning of the existing technology with
Dynamic property is poor, and when low speed turns to, turning radius is big, and mobility is poor；When high speed is excessively curved, vehicle is unstable, and it is existing to be easy to appear rear whipping
As the technical issues of.
A kind of manufacturing method of multi link formula rear suspension provided by the invention, including following preparation step:
According to existing multi link formula rear suspension, multi link rear suspension model is manufactured；
Curved and high speed is entered to multi link rear suspension model progress low speed and goes out curved braking simulation test, in multi link rear suspension
It is found out in model and curved radius and high speed curved effect of radius position out is entered to low speed, hard spot label is carried out on impact position；
It is adjusted to marking the component having to carry out rigidity, fixing at least one of position or stiffness, it is right again
Multi link rear suspension model carries out low speed and enters curved and go out curved braking simulation test at a high speed, obtains the multi link rear overhang of final optimization pass
Frame model；
According to the multi link rear suspension model manufacturing multi link rear suspension after being optimized.
Preferably, hard spot includes the center hard spot of trailing arm bushing, in multi link formula rear suspension for connect trailing arm with
On the center of the trailing arm bushing of stringer；Position is fixed to trailing arm bushing to adjust, so that the central point and vehicle of trailing arm bushing
Wheel hub longitudinal difference in height of the central point under state of reorganizing and outfit, under half cargo condition and under full load condition be respectively 45mm-55mm,
8mm-12mm and 4mm-9mm.
Preferably, hard spot further includes the outer hard spot of prenex adjusting rod, for connecting prenex tune in multi link formula rear suspension
Pole and the prenex of knuckle are adjusted on bushing；The outer hard spot of lower swing arm, positioned at the lower swing arm of connection lower swing arm and knuckle lining
It puts on；Toe-in corresponding to hard spot outside prenex adjusting rod adjusts the corresponding bottom arm bush of hard spot outside bushing and lower swing arm respectively
Stiffness tuning is carried out, the vulcanised rubber layer in prenex adjusting bushing and bottom arm bush is adjusted respectively, so that low speed
When entering curved, the rigidity of bottom arm bush is less than the prenex rigidity for adjusting bushing；When high speed goes out curved, the rigidity of bottom arm bush is big
In the prenex rigidity for adjusting bushing.
Preferably, hard spot further includes hard spot under hard spot and damper on damper, is located in multi link formula rear suspension
The upper and lower ends of damper；Hard spot under hard spot and helical spring, is located at the upper and lower ends of helical spring on helical spring；It is right
The upper/lower terminal of damper upper/lower terminal and helical spring carries out the reinforcement of stiffness respectively.
The invention also includes a kind of manufacturers based on the follow-up steering multi link formula rear suspension as described in any among the above
Method manufactures to obtain multi link formula rear suspension, including subframe, and the both ends of subframe are symmetrically arranged with trailing arm, prenex adjusting rod, the bottom
Arm, damper and helical spring；Wherein, each trailing arm upper end is connect by trailing arm bushing with stringer, and each toe-in adjusting rod outer end is logical
It crosses the prenex bushing that adjusts to connect with knuckle, each lower swing arm is connect by bottom arm bush with knuckle.
Preferably, the vulcanised rubber layer in bottom arm bush includes the component of following mass fraction: rubber 130 parts -150
Part, zinc oxide: 4 parts -6 parts, stearic acid: 1 part -5 parts, carbon black: 15 parts -35 parts, aqueous sodium metasilicate: 25 parts -55 parts, plasticizer:
2 parts -8 parts, anti-aging agent: 1 part -5 parts, paraffin: 0.2 part -1 part, processing aid: 0.5 part -2 parts, sulphur: 0.1 part -1 part, promote
Agent: 1 part -3 parts；Toe-in adjusts the component that the vulcanised rubber layer in bushing includes following mass fraction: rubber 130-150
Part, zinc oxide: 1 part -5 parts, stearic acid: 1 part -5 parts, sulphur: 1 part -3 parts, promotor: 0.5 part -1.5 parts, carbon black: 35 parts -
60 parts, anti-aging agent: 1 part -5 parts, aqueous sodium metasilicate: 20 parts -40 parts.
Preferably, rubber includes the one or more of natural rubber and butadiene rubber.
Preferably, bottom arm bush and the prenex bushing that adjusts include outer tube and inner sleeve, and vulcanised rubber layer is set to
Between outer tube and inner sleeve；The material of outer tube and inner sleeve is steel.
Preferably, trailing arm bushing includes outer support pipe and inner core tube, and the material of outer support pipe and inner core tube is aluminium alloy.
The invention also includes a kind of vehicle, including the multi link formula rear suspension as described in any among the above.
Manufacturing method, multi link formula rear suspension and the vehicle of a kind of multi link formula rear suspension provided by the invention and existing skill
Art, which is compared, has following progress:
1, the multi link rear suspension that the present invention is prepared by the manufacturing method of multi link formula rear suspension, enters with low speed
The advantages of curved radius with high speed when curved out, the mobility of vehicle is improved, the curved and curved out stability that enters of vehicle is improved, is improved
Handling, the comfortableness and security of vehicle.
2, the present invention is by adjusting the central point at the center of trailing arm bushing and the wheel hub of vehicle under state of reorganizing and outfit, semi-load shape
Longitudinal difference in height under state and under full load condition, so that the tie point of trailing arm and vehicle body is higher than core wheel in z-direction, thus in vehicle
When just entering curved, vehicle roll angle is little, and skip frame degree moves back curved foreign steamer in outboard wheels, front and back wheel reverse deflection, from
And turning radius is effectively reduced, so that improves vehicle enters curved and curved out stability.
3, the present invention is respectively by adjusting the prenex vulcanized rubber material adjusted in bushing and bottom arm bush, thus real
Now to bottom arm bush and the prenex adjusting for adjusting bushing rigidity, when vehicle low speed enters curved, the rigidity of bottom arm bush is small
In the prenex rigidity for adjusting bushing；When high speed goes out curved, the rigidity of bottom arm bush is greater than the prenex rigidity for adjusting bushing, has
The low speed of the diminution vehicle of effect enters curved radius and high speed goes out curved radius, guarantees the stability of vehicle operation, realizes the servo-actuated of automobile
Property.
4, the present invention is without additionally increasing the components on automobile, effective to improve while not increasing car body weight
The mobility of vehicle, that improves vehicle enter curved and curved out stability.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the step block diagram of multi link formula rear suspension preparation method of the present invention；
Fig. 2 is the structural schematic diagram (perspective view) of multi link formula rear suspension of the present invention；
Fig. 3 is that toe-in of the present invention adjusts bushing, bottom arm bush enters curved and high speed in low speed with initial bushing and goes out
Stiffness measuring curve graph when curved；
Fig. 4 is that multi link formula rear suspension of the present invention and existing multi link formula rear suspension low speed enter curved operating condition comparison song
Line chart；
Fig. 5 is the multi link formula rear suspension of the present invention with follow-up steering and existing multi link formula rear suspension high speed
Curved floor data contrast curve chart out.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in Figure 1, the manufacturing method of one of the present embodiment multi link formula rear suspension, including following preparation step:
S1) according to existing multi link formula rear suspension, multi link rear suspension model is manufactured；
S2 curved and high speed) is entered to multi link rear suspension model progress low speed and goes out curved braking simulation test, after multi link
It is found out in Suspension Model and curved radius and high speed curved effect of radius position out is entered to low speed, hard spot label is carried out on impact position；
S3) to marking the component having progress rigidity, fixed at least one of position or stiffness to be adjusted, again
Curved and high speed is entered to multi link rear suspension model progress low speed and goes out curved braking simulation test, after obtaining the multi link of final optimization pass
Suspension Model；
S4) according to the multi link rear suspension model manufacturing multi link rear suspension after being optimized.
The multi link rear suspension that the present invention is prepared by the manufacturing method of multi link formula rear suspension, effectively makes vehicle
Enter reduced radius when curved and high speed goes out curved in low speed, improves the mobility of vehicle, it is curved and curved steady out to improve entering for vehicle
It is qualitative, improve handling, the comfortableness and security of vehicle.
As shown in Fig. 2, the hard spot in the present embodiment includes the center hard spot P1 of trailing arm bushing, it is located at multi link formula rear suspension
On the center of the trailing arm bushing 3 of middle connection trailing arm 2 and stringer；Position is fixed to trailing arm bushing 3 to adjust, so that trailing arm serves as a contrast
Longitudinal difference in height of the central point of the wheel hub of the central point and vehicle of set under state of reorganizing and outfit, under half cargo condition and under full load condition
Respectively 45mm-55mm, 8mm -12mm and 4mm-9mm；The preferred difference in height of the present embodiment is respectively 49mm, 10mm and 8mm.
The present invention is by the central point of the center of trailing arm bushing and the wheel hub of vehicle under state of reorganizing and outfit, under half cargo condition and full load condition
Under longitudinal difference in height be respectively 49mm, 10mm and 8mm so that the tie point of trailing arm and vehicle body is higher than core wheel in z-direction, because
And when vehicle just enters curved, vehicle roll angle is little, and skip frame degree moves back curved foreign steamer in outboard wheels, and front and back wheel is reversely inclined
Turn, to effectively reduce turning radius, so that improves vehicle enters curved and curved out stability.
As shown in Figure 2 and Figure 3, the hard spot in the present embodiment further includes the outer hard spot P2 of prenex adjusting rod, after being located at multi link formula
Prenex adjusting rod 4 is connected in suspension and the prenex of knuckle is adjusted on bushing 5, and the outer hard spot P3 of lower swing arm is located at multi link formula
On the bottom arm bush for connecting lower swing arm 6 and knuckle in rear suspension；Respectively to the corresponding toe-in of hard spot P2 outside prenex adjusting rod
It adjusts the bottom arm bush corresponding with the outer hard spot P3 of lower swing arm of bushing 5 and carries out stiffness tuning, adjust toe-in respectively and adjust post gasket
Vulcanised rubber layer in set 5 and bottom arm bush, when so that low speed entering curved, the rigidity of bottom arm bush is less than prenex adjusting post gasket
The rigidity of set 5；When high speed goes out curved, the rigidity of bottom arm bush is greater than the prenex rigidity for adjusting bushing.Before passing through in the present invention
After beam adjusts bushing 5 and bottom arm bush stiffness tuning, when low speed enters curved, the rigidity of bottom arm bush is less than prenex adjust
The rigidity of bushing 5；When high speed goes out curved, the rigidity of bottom arm bush is greater than the prenex rigidity for adjusting bushing.
Heretofore described bottom arm bush is the prior art, is those skilled in the art's common knowledge, is not drawn into figure, herein
Repeat no more the structure of bottom arm bush.
As shown in Fig. 2, hard spot further includes hard spot P5 under hard spot P4 and damper on damper in the present embodiment, it is located at
The upper and lower ends of damper 7 in multi link formula rear suspension；Hard spot under hard spot and helical spring, is located at spiral on helical spring
The upper and lower ends of spring carry out the reinforcement of stiffness to the upper/lower terminal of 7 upper/lower terminal of damper and helical spring respectively.This hair
It is bright that hard spot P5 under hard spot P4, damper, hard spot and spiral shell on helical spring are found on damper in multi link formula rear suspension model
Revolve spring under hard spot, and to the upper and lower ends of damper and helical spring carry out stiffness reinforcement, thus improve vehicle enter it is curved and
The upper and lower ends of curved stability out, damper and helical spring, which carry out stiffness, to be reinforced being the steel by selecting different hardness
It is standby, to guarantee the stiffness of the upper and lower ends of raising damper and helical spring.
As shown in Fig. 2, the invention also includes a kind of manufactures based on the multi link formula rear suspension as described in any among the above
Method manufactures to obtain multi link formula rear suspension, including subframe 1, and the both ends of subframe 1 are symmetrically arranged with trailing arm 2, prenex adjusting rod
4, lower swing arm 6, damper 7 and helical spring, wherein each 2 upper end of trailing arm is connect by trailing arm bushing 3 with stringer, each prenex tune
4 outer end of pole is connect by the prenex bushing 5 that adjusts with knuckle, and each lower swing arm 6 is connect by bottom arm bush with knuckle.
Heretofore described helical spring is the prior art, is those skilled in the art's common knowledge, is not drawn into figure, herein not
The structure of helical spring is repeated again.
The vulcanised rubber layer in bottom arm bush in the present invention includes the component of following mass fraction: rubber 130-150
Part, zinc oxide: 4 parts -6 parts, stearic acid: 1 part -5 parts, carbon black: 15 parts -35 parts, aqueous sodium metasilicate: 25 parts -55 parts, plasticizer:
2 parts -8 parts, anti-aging agent: 1 part -5 parts, paraffin: 0.2 part -1 part, processing aid: 0.5 part -2 parts, sulphur: 0.1 part -1 part, promote
Agent: 1 part -3 parts；The vulcanised rubber layer of toe-in adjusting bushing 5 includes the component of following mass fraction: 130 part -150 of rubber
Part, zinc oxide: 1 part -5 parts, stearic acid: 1 part -5 parts, sulphur: 1 part -3 parts, promotor: 0.5 part -1.5 parts, carbon black: 35 parts -
60 parts, anti-aging agent: 1 part -5 parts, aqueous sodium metasilicate: 20 parts -40 parts.Vulcanized rubber in the preferred bottom arm bush of the present embodiment
Layer includes the component of following mass fraction: 130 parts of rubber, zinc oxide: and 4 parts, stearic acid: 1 part, carbon black: 15 parts, aqueous silicic acid
Sodium: 25 parts, plasticizer: 2 parts, anti-aging agent: 1 part, paraffin: 0.2 part, processing aid: 0.5 part, sulphur: 0.1 part, promotor: 1
Part；The vulcanised rubber layer of toe-in adjusting bushing 5 includes the component of following mass fraction: 130 parts of rubber, zinc oxide: and 1 part, firmly
Resin acid: 1 part, sulphur: 1 part, promotor: 0.5 part, carbon black: 35 parts, anti-aging agent: 1 part, aqueous sodium metasilicate: 20 parts.The present invention is logical
Bottom arm bush and the prenex rubber constituent adjusted in bushing 5 are overregulated, thus realize so that vehicle is when low speed enters curved, under
The rigidity of bush of swing arm is less than the prenex rigidity for adjusting bushing 5；When high speed goes out curved, the rigidity of bottom arm bush is greater than prenex adjust
The rigidity of pole bushing, and then guarantee to improve the mobility of vehicle, that improves vehicle enters curved and curved out stability.
Rubber in the present invention includes the one or more of natural rubber and butadiene rubber.
Bottom arm bush and the prenex bushing 5 that adjusts in the present invention include outer tube and inner sleeve, vulcanised rubber layer
Between outer tube and inner sleeve；The material of outer tube and inner sleeve is steel, guarantees bottom arm bush and prenex adjusting post gasket
The stiffness of set 5.
Trailing arm bushing 5 in the present invention includes outer support pipe and inner core tube, and the material of outer support pipe and inner core tube is aluminium
Alloy guarantees the rigidity of trailing arm bushing 3, and the wall thickness of inner core tube is greater than the wall thickness of outer support pipe, guarantees the rigidity of trailing arm bushing 5.
It is not marked in heretofore described knuckle, the wheel hub, the bottom arm bush and the helical spring figure,
It is the prior art, is those skilled in the art's common knowledge, details are not described herein again knuckle, wheel hub and lower swing arm bush structure.
Heretofore described inner sleeve and outer tube are the prior art, are those skilled in the art's common knowledge, do not draw in figure
Out, the structure of details are not described herein again inner sleeve and outer tube.
Outer support pipe of the present invention and inner core tube are the prior art, are those skilled in the art's common knowledge, are not drawn into figure, this
Place repeats no more the structure of outer support pipe and inner core tube.
As shown in figure 4, A1 enters curved operating condition in low speed for existing multi link formula rear suspension, A2 is that multi link formula rear suspension exists
Low speed enters curved operating condition, through the adjusting of 3 position of trailing arm bushing, prenex adjusting bushing 5 and bottom arm bush stiffness tuning, so that vapour
For vehicle when low speed enters curved, for turning radius compared to reducing before optimization, improve automobile enters curved stability, improves into curved efficiency.
As shown in figure 5, B1 goes out curved operating condition in high speed for existing multi link formula rear suspension, B2 is that multi link formula rear suspension goes out
Curved operating condition, through the adjusting of 3 position of trailing arm bushing, prenex adjusting bushing 5 and bottom arm bush stiffness tuning, so that automobile is in high speed
When curved out, vehicle goes out curved degree of understeer and compares the reduction being not optimised, and improves automobile high-speed and goes out curved stability.
The present invention effectively raises while not increasing car body weight without additionally increasing the components on automobile
The mobility of vehicle, that improves vehicle enters curved and curved out stability.
The model of vehicle in the present invention can be any in SUV or MPV.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of manufacturing method of multi link formula rear suspension, it is characterised in that: including following preparation step:
According to existing multi link formula rear suspension, multi link rear suspension model is manufactured；
Curved and high speed is entered to multi link rear suspension model progress low speed and goes out curved braking simulation test, in multi link rear suspension model
In find out to low speed enter curved radius and high speed go out curved effect of radius position, on impact position carry out hard spot label；
Rigidity is carried out to the component that has of label, fixed at least one of position or stiffness are adjusted, again to connecting more
Bar rear suspension model carries out low speed and enters curved and go out curved braking simulation test at a high speed, obtains the multi link rear suspension mould of final optimization pass
Type；
According to the multi link rear suspension model manufacturing multi link rear suspension after being optimized.
2. the manufacturing method of multi link formula rear suspension according to claim 1, it is characterised in that: hard spot includes trailing arm bushing
Center hard spot, in multi link formula rear suspension for connect trailing arm and stringer trailing arm bushing center；Trailing arm is served as a contrast
Set carries out fixed bit and sets adjusting, so that the central point of the wheel hub of the central point and vehicle of trailing arm bushing is under state of reorganizing and outfit, semi-load
Longitudinal difference in height under state and under full load condition is respectively 45mm-55mm, 8mm-12mm and 4mm-9mm.
3. the manufacturing method of multi link formula rear suspension according to claim 2, it is characterised in that: hard spot further includes prenex tune
The outer hard spot of pole adjusts bushing for connecting prenex adjusting rod and the prenex of knuckle in multi link formula rear suspension；
The outer hard spot of lower swing arm, on the bottom arm bush of connection lower swing arm and knuckle；It is corresponding to hard spot outside prenex adjusting rod respectively
It is prenex adjust bushing and the corresponding bottom arm bush of the outer hard spot of lower swing arm carries out stiffness tuning, post gasket is adjusted to toe-in respectively
Vulcanised rubber layer in set and bottom arm bush is adjusted, and when so that low speed entering curved, the rigidity of bottom arm bush is less than toe-in
Adjust the rigidity of bushing；When high speed goes out curved, the rigidity of bottom arm bush is greater than the prenex rigidity for adjusting bushing.
4. the manufacturing method of multi link formula rear suspension according to claim 3, it is characterised in that: hard spot further includes damper
Hard spot under upper hard spot and damper is located at the upper/lower terminal of damper in multi link formula rear suspension；Hard spot on helical spring
With hard spot under helical spring, it is located at the upper/lower terminal of helical spring；To damper upper/lower terminal and helical spring it is upper,
Lower both ends carry out the reinforcement of stiffness respectively.
5. a kind of manufacturing method based on the multi link formula rear suspension as described in any in claim 1-4 manufactures to obtain multi link
Formula rear suspension, it is characterised in that: including subframe, the both ends of subframe are symmetrically arranged with trailing arm, prenex adjusting rod, lower swing arm, subtract
Shake device and helical spring；Wherein, each trailing arm upper end is connect by trailing arm bushing with stringer, and each toe-in adjusting rod outer end passes through toe-in
It adjusts bushing to connect with knuckle, each lower swing arm is connect by bottom arm bush with knuckle.
6. multi link formula rear suspension according to claim 5, it is characterised in that: the vulcanised rubber layer packet in bottom arm bush
Include the component of following mass fraction: 130 parts -150 parts of rubber, zinc oxide: 4 parts -6 parts, stearic acid: 1 part -5 parts, carbon black: 15
- 35 parts of part, aqueous sodium metasilicate: 25 parts -55 parts, plasticizer: 2 parts -8 parts, anti-aging agent: 1 part -5 parts, paraffin: 0.2 part -1 part, adds
Work auxiliary agent: 0.5 part -2 parts, sulphur: 0.1 part -1 part, promotor: 1 part -3 parts；Toe-in adjusts the vulcanised rubber layer packet in bushing
Include the component of following mass fraction: 130 parts -150 parts of rubber, zinc oxide: 1 part -5 parts, stearic acid: 1 part -5 parts, sulphur: 1 part -3
Part, promotor: 0.5 part -1.5 parts, carbon black: 35 parts -60 parts, anti-aging agent: 1 part -5 parts, aqueous sodium metasilicate: 20 parts -40 parts.
7. multi link formula rear suspension according to claim 6, it is characterised in that: rubber includes natural rubber and butadiene rubber
It is one or more.
8. multi link formula rear suspension according to claim 7, it is characterised in that: bottom arm bush and prenex adjusting bushing
It include outer tube and inner sleeve, vulcanised rubber layer is set between outer tube and inner sleeve；The material of outer tube and inner sleeve is
Steel.
9. multi link formula rear suspension according to claim 8, it is characterised in that: trailing arm bushing includes outer support pipe and inner core
The material of pipe, outer support pipe and inner core tube is aluminium alloy.
10. a kind of vehicle, it is characterised in that: including the multi link formula rear suspension as described in any in claim 5-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811228680.7A CN109177671B (en) | 2018-10-22 | 2018-10-22 | Manufacturing method of multi-link type rear suspension, multi-link type rear suspension and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811228680.7A CN109177671B (en) | 2018-10-22 | 2018-10-22 | Manufacturing method of multi-link type rear suspension, multi-link type rear suspension and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109177671A true CN109177671A (en) | 2019-01-11 |
| CN109177671B CN109177671B (en) | 2021-01-15 |
Family
ID=64946122
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811228680.7A Active CN109177671B (en) | 2018-10-22 | 2018-10-22 | Manufacturing method of multi-link type rear suspension, multi-link type rear suspension and vehicle |
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| CN113742844A (en) * | 2021-09-07 | 2021-12-03 | 吉林大学 | Vehicle dynamic performance expansion optimization method and device based on active wheel positioning |
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