CN109664706A - A kind of front air suspension and automobile of low chassis - Google Patents
A kind of front air suspension and automobile of low chassis Download PDFInfo
- Publication number
- CN109664706A CN109664706A CN201811616958.8A CN201811616958A CN109664706A CN 109664706 A CN109664706 A CN 109664706A CN 201811616958 A CN201811616958 A CN 201811616958A CN 109664706 A CN109664706 A CN 109664706A
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- China
- Prior art keywords
- vehicle frame
- bracket
- air spring
- connecting hole
- bar
- 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.)
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Links
- 239000000725 suspension Substances 0.000 title claims abstract description 33
- 239000003381 stabilizer Substances 0.000 claims abstract description 28
- 230000007704 transition Effects 0.000 claims description 24
- 238000003466 welding Methods 0.000 claims description 18
- 229910000639 Spring steel Inorganic materials 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229910001018 Cast iron Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 13
- 230000009191 jumping Effects 0.000 description 3
- 241001063191 Elops affinis Species 0.000 description 2
- 235000002756 Erythrina berteroana Nutrition 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- HKPHPIREJKHECO-UHFFFAOYSA-N butachlor Chemical compound CCCCOCN(C(=O)CCl)C1=C(CC)C=CC=C1CC HKPHPIREJKHECO-UHFFFAOYSA-N 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B60G15/08—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/003—Steerable axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention belongs to vehicle chassis technology fields, are related to the front air suspension and automobile of a kind of low chassis.Front air suspension includes stabiliser bar, anti-sway bar, the damper of air spring, integrated longitudinal rod；Air spring is installed on the downside of vehicle frame, is attached on front axle by integrating support under air spring；The stabiliser bar both ends of integrated longitudinal rod are connected with support integrated under air spring, the assembly of intermediate and connecting bracket；Damper lower end is connected with support integrated under air spring, and upper end is connected with vehicle frame.Anti-sway bar left end is connected with support integrated under air spring, and right end and anti-sway bar are connect with vehicle frame connecting bracket.A kind of automobile, the front air suspension including aforementioned low chassis.The present invention solves the problems, such as conventional 4 rod structures in low chassis vehicle difficult arrangement, mitigates weight, reduces costs；Effectively improve vehicle frame part anti-roll capability；It can be realized vehicle frame terrain clearance 800mm state traveling, sky resistance and center of gravity reduce simultaneously, and oil consumption and dynamic property obtain Synchronous lifting.
Description
Technical field
The invention belongs to vehicle chassis technology field, before being related to a kind of front air suspension of low chassis and matching the low chassis
The automobile of air suspension.
Background technique
As regulation is increasingly stringent, the unlawful practices punishment such as transfinite, exceed the speed limit is increased, and legal Duola has hurried up at working as
Under most important problem, especially such as the light bulky subdivision field of express delivery this kind goods.It is low that low chassis vehicle container is liftoff, removes
Cargo transport object is more easily laborsaving when getting on or off the bus, and lower floor means that vehicle's center of gravity is lower, and vehicle run stability can be more
It is good.Most important is the more cargos of container loading that can do bigger volume.Certainly, lower chassis affects trafficability, very
The place of multiple road conditions deviation is impassable, is only suitable for highway and the good road traveling of condition of road surface.
Common chassis card car front air suspension usually by air spring, 4 trailing links, 1 anti-sway bar,
2 dampers, 1 stabilizer bar composition.This air suspension application is very mature, and cost is also relatively expensive.When the segmenting market
When having demand to the low chassis of 800~900mm of vehicle frame terrain clearance, limited by core wheel to vehicle frame distance, 4 trailing links
Scheme arrangement difficulty causes main engine plants to lose business opportunity.
Summary of the invention
It is an object of the present invention to provide a kind of front air suspensions of low chassis, can effectively reduce chassis height, reduce
Overall cost.It is a further object of the present invention to provide a kind of front air suspension automobiles of low chassis, in high speed and good road surface
Realize that maximum capacity gently steeps the express transportation of object.
A kind of front air suspension of low chassis, including air spring 1, the stabiliser bar 2 of integrated longitudinal rod, anti-sway bar 3,
Damper 4；
The air spring 1 is installed on the downside of vehicle frame by air spring and vehicle frame connecting bracket 8, by under air spring
Integrated support 7 is attached on front axle 15；
It integrates support 7 under 2 both ends of stabiliser bar of the integrated longitudinal rod and air spring to connect, centre passes through bearing cap 9
It is assembled with connecting bracket 10；
It integrates support 7 under 4 lower end of damper and air spring to connect, upper end is connected with vehicle frame.
It integrates support 7 under 3 left end of anti-sway bar and air spring to connect, right end and anti-sway bar and vehicle frame connect
Connect the connection of bracket 13.
Air spring described in technical solution and vehicle frame connecting bracket 8 are welded by zigzag shape sheet metal component 8a and circular steel plate 8b
It forms, zigzag shape sheet metal component 8a is equipped with connecting hole and connect with vehicle frame, and circular steel plate 8b and 1 upper cover of air spring cooperate, and pad
On vehicle frame lower aerofoil.
Support 7 is integrated under air spring described in technical solution, the first plane 7a is in 1 piston bottom surface of air spring
It is horizontally disposed；Second plane 7b and 15 support of front axle cooperate；Equipped with the first connecting hole 7c connection air bag, the second connecting hole 7d connection
Front axle 15, the 7e connection of third connecting hole integrate the stabiliser bar 2 of longitudinal rod, and the 4th connecting hole 7f connection anti-sway bar 3, the 5th connects
Connect hole 7g connection damper 4.
The stabiliser bar 2 that longitudinal rod is integrated described in technical solution includes tubulose torsion bar 21, big knife plate 22 and transition bracket 23；
Tubulose torsion bar 21 and big knife plate 22 are bolted by integrally welded after the interference of chicken-core-shape axis hole with transition bracket 23；It is integrated
2 both ends of stabiliser bar of longitudinal rod are connected by integrating support 7 under transition bracket 23 and air spring, and transition bracket 23 is equipped with bolt
Hole integrates support 7 for connecting under air spring.
Tubulose torsion bar described in technical solution 21 is welded by hollow spring steel pipe 210 and integrated end 211, integrates end
First 211 are equipped with welding surface 211d, Thrust Faces 211c, chicken-core-shape end face 211b and bearing fit axial plane 211a；In welding surface
211d implements friction welding；Hollow spring steel pipe 210 is U-shaped, and Thrust Faces 211c and chicken-core-shape end face 211b are limited greatly respectively
Knife plate 22 is moved left and right relative to tubulose torsion bar 21, is axially rotated.
Big knife plate 22 described in technical solution is equipped with heart connecting hole 22a, and repeated hole 22b and transition bracket first drop in quadrangle
Connecting hole 22c；Heart connecting hole 22a quantity 3, it is upper below with big 22 profile parallel of knife plate；The first connecting hole of transition bracket 22c
" < " shape arranges up and down, 2 before quantity after 4；
22 length of big knife plate is between 550~650mm.
Anti-sway bar 3 described in technical solution is equipped with lateral thrust knock-off joint A3a and lateral thrust knock-off joint B3b；It is horizontal
Rubber shaft bearing is respectively embedded into vibration insulation and noise reduction to propulsion rod joint A3a, lateral thrust knock-off joint B3b, and centre is arc I-beam
Structure 3c, the anti-sway bar 3 are that extruding cast aluminium or high-strength cast iron are integrally manufactured.
Connecting bracket 10 described in technical solution is located at stringer two sides on front side of vehicle frame, connect with vehicle frame supporting beam 11；
The anti-sway bar and vehicle frame connecting bracket 13 are located on rear side of vehicle frame, pass through horizontal pulling plate 5 and horizontal pulling plate and vehicle frame
Connecting bracket 14 connects；
The vehicle frame supporting beam 11 is formed by pipe beam 11a, four hole bracket 11b by twice friction welding weld seam 11c；
The connecting bracket 10 is equipped with the stabiliser bar 2 that connecting bracket the first connecting hole 10a matches integrated longitudinal rod, the company of being equipped with
It connects bracket the second connecting hole 10b connecting vehicle frame and cooperates with vehicle frame lower aerofoil, be equipped with connecting bracket third connecting hole 10c connection branch
Frame supporting beam 11 is equipped with slot 10d；
The anti-sway bar and bracket connecting bracket 13 are equipped with the first connecting hole of bracket 13a connecting vehicle frame, are equipped with bracket
Second connecting hole 13b connection anti-sway bar 3 is equipped with the horizontal pulling plate 5 of bracket third connecting hole 13c connection.
A kind of automobile, including front steering axle assembly, the front steering axle assembly include front axle 15, knuckle arm 16, turn to
Drag link 17 and brake chamber 18, the front air suspension including the low chassis.
125~130mm of the drop of front axle 15 described in technical solution.
The beneficial effects of the present invention are:
1. a kind of front air suspension of low chassis of the present invention eliminates 2 upper trailing links, and will indulge under original
It is integrated to distance rod and stabilizer bar, has both solved conventional 4 rod structures in highly difficult (the upper lower beam of low chassis vehicle arrangement
Apart from close, lower integrated base difficult design) problem, and realize drop weight cost declining；
2. a kind of front air suspension of low chassis of the present invention, air bag is located on the downside of vehicle frame, and air bag is avoided to be in vehicle
The high ducts starting cost risk of vehicle body change bring or even air bag are vertically connected with the more compact more lightweight of bracket hard spot on the outside of frame；
3. the control of a kind of front air suspension of low chassis of the present invention, longitudinal stability pole length section is conducive to protect
The torsion of card rubber shaft bearing and cupped service life；The design of anti-sway bar long length is conducive to reduction wheel and is jumping up and down
The transverse movement of vehicle bridge during dynamic, reduces tire wear.
4. a kind of automobile of low chassis of the present invention, vehicle frame front side and rear side pass through supporting beam, horizontal pulling plate phase respectively
Connect two side girders, effectively improves vehicle frame part anti-roll capability；
5. a kind of automobile of low chassis of the present invention, front steering axle assembly includes big drop front axle, small size steering
Joint arm and the recessed track rod of U-shaped, overhead brake chamber composition.On the basis for the passability for meeting high speed and good road surface
Movement interference does not occur for the associated parts such as upper guarantee front axle and suspension, vehicle frame, power assembly；
6. a kind of automobile of low chassis of the present invention can be realized vehicle frame terrain clearance 800mm state traveling, sky resistance
It is reduced simultaneously with center of gravity, oil consumption and dynamic property obtain Synchronous lifting.
Detailed description of the invention
Fig. 1 show a kind of front air suspension structural schematic diagram of low chassis of the present invention；
Fig. 2 a show air spring of the present invention and is vertically connected with supporting structure schematic diagram；
Fig. 2 b show air spring of the present invention and is vertically connected with bracket connection hole location schematic diagram；
Fig. 3 show air spring of the present invention and is vertically connected with supporting structure schematic diagram 2；
Fig. 4 show stabilizator rod structure schematic diagram of the present invention；
Fig. 5 show tubulose torsion bar structure schematic diagram of the present invention；
Fig. 6 a show integrated end structure schematic diagram 1 of the present invention；
Fig. 6 b show integrated end structure schematic diagram 2 of the present invention；
Fig. 7 show machete plate structural schematic diagram of the present invention；
Fig. 8 show vehicle frame front-end architecture schematic diagram of the present invention；
Fig. 9 show vehicle frame rear end structure schematic diagram of the present invention；
Figure 10 show a kind of structural schematic diagram of the front steering axle assembly of the automobile of low chassis of the present invention；
Figure 11 show a kind of front air suspension structural schematic diagram of low chassis of the present invention；
Wherein: 01- stabilizer bar；02- trailing link
1- air spring；2- integrates the stabiliser bar of longitudinal rod；3- anti-sway bar；4- damper；The horizontal pulling plate of 5-；6- height
Valve；Support is integrated under 7- air spring；8- air spring and vehicle frame connecting bracket；9- bearing cap；10- connecting bracket；11- vehicle frame
Supporting beam；12- damper upper bracket；13- anti-sway bar and vehicle frame connecting bracket；The horizontal pulling plate of 14- and vehicle frame connecting bracket；
15- front axle；16- knuckle arm；17- track rod；18- brake chamber；
21- tubulose torsion bar；The big knife plate of 22-；23- transition bracket
3a- lateral thrust knock-off joint A；3b- lateral thrust knock-off joint B；3c- arc structural I-beam；
The first plane of 7a-；The second plane of 7b-；The first connecting hole of 7c-；The second connecting hole of 7d-；7e- third connecting hole；7f-
4th connecting hole；The 5th connecting hole of 7g-；The slot bottom of 7h- right low left high；
8a- zigzag shape sheet metal component；8b- circular steel plate；
The first connecting hole of 10a- connecting bracket；The second connecting hole of 10b- connecting bracket；10c- connecting bracket third connecting hole；
10d- slot；11a- pipe beam；Tetra- hole bracket of 11b-；11c- weld seam；
The first connecting hole of 13a- bracket；The second connecting hole of 13b- bracket；13c- bracket third connecting hole；
22a- heart connecting hole；Repeated hole drops in 22b- quadrangle；The first connecting hole of 22c- transition bracket；
The hollow spring steel pipe of 210-；211- integrates end；
The mating surface of 211a- bearing；211b- chicken-core-shape end face；211c- Thrust Faces；211d- welding surface.
Specific embodiment
The present embodiment is foundation pattern of the invention, and embodiment is referring to Fig. 1-Figure 11.
Refering to fig. 1, the present invention provides a kind of front air suspension of low chassis, including air spring 1, integrates the steady of longitudinal rod
Fixed pole 2, anti-sway bar 3, damper 4.
Air spring 1 is installed on the downside of vehicle frame by air spring and vehicle frame connecting bracket 8, by integrating under air spring
Support 7 is attached on front axle 15.
2 both ends of stabiliser bar of integrated longitudinal rod are connect by transition bracket 23 with support 7, and centre passes through bearing cap 9 and branch
Frame 10 assembles.
Refering to Fig. 2 b, 4 lower end of damper is connect by the 4th connecting hole 7d with integrated stand 7 under air spring, and upper end is logical
Damper upper bracket 12 is crossed to be connected with vehicle frame.
3 left end of anti-sway bar is connect with the third connecting hole 7f of integrated stand under air spring, right end and bracket second
Connecting hole 13b connection, right low left high.
Air spring 1 of the present invention is more bent air bags, can match auxiliary tank, to meet vehicle front end comfort 1.2Hz
The requirement of left and right.Refering to Fig. 2 a, the air spring and vehicle frame connecting bracket 8 are welded by zigzag shape sheet metal component 8a and circular steel plate 8b
It connects, zigzag shape sheet metal component 8a is equipped with connecting hole and connect with vehicle frame, and circular steel plate 8b and 1 upper cover of air spring cooperate, and pad
In vehicle frame lower aerofoil.Preferably, frame inside setting Auxiliary support bracket avoids bending deformation on the inside of air bag excessive.
Refering to Fig. 3, support 7 is integrated under the air spring, the first plane 7a and 1 piston bottom surface of air spring are in water
Plain cloth is set；Refering to Fig. 2 a, the second plane 7b and 15 support of front axle cooperate.Refering to Fig. 2 b, it is equipped with the first connecting hole 7c connection air bag,
Second connecting hole 7d connection front axle 15；Refering to Fig. 2 a, the 7e connection of third connecting hole integrates the stabilization of the integrated longitudinal rod of longitudinal rod
Bar 2, the 4th connecting hole 7f connection anti-sway bar 3, the 5th connecting hole 7g connection damper 4.
Refering to Fig. 2 a, it is H-shaped that feature locating for the third connecting hole 7e of support is integrated under the air spring, realizes drop weight；
4th connecting hole 7f, low outer height in the slot of side setting, is utmostly increased laterally on the basis of bump travel with guaranteeing to meet
Thrust pole length reduces the torsion angle of embedded rubber shaft bearing.
Refering to Fig. 4, a kind of front air suspension of low chassis, integrate longitudinal rod stabiliser bar 2 include tubulose torsion bar 21, it is big
Knife plate 22 and transition bracket 23.Tubulose torsion bar 21 and 22 first by integrally welded after the interference of chicken-core-shape axis hole, then with mistake
Bracket 23 is crossed to be bolted.Transition bracket 23 is equipped with 3 bolts hole and integrates support 7 under air spring for connecting.
Refering to Fig. 5, the tubulose torsion bar 21 is welded by hollow spring steel pipe 210 and integrated end 211, in welding surface
211d implements friction welding.Hollow spring steel pipe is U-shaped, refering to Fig. 6, integrates end 211 and is equipped with welding surface 211d, Thrust Faces
211c, chicken-core-shape end face 211b and bearing fit axial plane 211a.The thrust end face 211c and chicken-core-shape end face 211b are limited greatly respectively
Knife plate 22 is moved left and right relative to tubulose torsion bar 21, is axially rotated.
Refering to Fig. 7, the big knife plate 22 is equipped with heart connecting hole 22a, and repeated hole 22b drops in quadrangle and transition bracket first connects
Meet hole 22c.Heart connecting hole 22a quantity 3, it is upper below with big 22 profile parallel of knife plate.On the first connecting hole of transition bracket 22c
Under " < " shape arrange, 2 before quantity after 4.
It is highly preferred that big 22 length of knife plate, between 550~650mm, rubber bushing turns when jumping 150mm under wheel to meet
Angle is no more than such as 10 degree of limit value.
Refering to Fig. 9, the anti-sway bar 3, lateral thrust knock-off joint A3a, lateral thrust knock-off joint B3b are respectively embedded into rubber
For glue bearing with vibration insulation and noise reduction, centre is arc structural I-beam 3c, and preferably extruding cast aluminium or high-strength cast iron is integrally manufactured, than original
There is junction block separate form assembly efficiency higher, weight is lighter.
It is highly preferred that the anti-sway bar 3, lateral thrust knock-off joint A3a, the axial direction of lateral thrust knock-off joint B3b are long
Degree should be grown as far as possible, to reduce the transverse movement of wheel vehicle bridge during moving up and down, reduce tire wear, while most because of wheel
In the reasonable scope, such as ± 15 ° of torsion, sled is bent: ± 13 ° for the corner that big bounce is formed.
Refering to fig. 1, Fig. 8, the present invention provide a kind of automobile of low chassis, to match the front air suspension of low chassis arrangement.
The connecting bracket 10 for being located at stringer two sides on front side of vehicle frame is connected each other by supporting beam 11, vehicle frame posterior lateral distance rod and vehicle frame
Connecting bracket 13 and horizontal pulling plate and vehicle frame connecting bracket 14 are connected with each other with horizontal pulling plate 5.The two belongs to vehicle frame strengthened scheme, with
Vehicle frame locally generates excessive deformation when vehicle being avoided seriously to roll.
Refering to Fig. 8, it is highly preferred that the vehicle frame supporting beam 11 passes through twice friction welding (FW) by pipe beam 11a, four hole bracket 11b
Welding seam 11c is formed, simple cheap；Connecting bracket 10 is equipped with the collection that connecting bracket the first connecting hole 10a matches integrated longitudinal rod
At the stabiliser bar 2 of longitudinal rod, connecting bracket the second connecting hole 10b connecting vehicle frame and with the cooperation of vehicle frame lower aerofoil, connecting bracket the
Three connecting hole 10c connecting bracket supporting beams 11 and transfer law based on power carry out light-weighted slot 10d；
Refering to Fig. 9, anti-sway bar and bracket connecting bracket 13 are respectively equipped with bracket the first connecting hole 13a connecting vehicle frame,
Quantity 5, upper 2 lower 3；Bracket the second connecting hole 13b connection anti-sway bar 3, quantity 2；Bracket third connecting hole 13c connection is horizontal
Pulling plate 5, quantity 2.Horizontal pulling plate is made into U-shaped, does not interfere when being jumped under wheel with realizing with power assembly.
Refering to fig. 10, a kind of automobile of low chassis of the present invention, matching low chassis front air suspension needs to innovate
Big drop front steering axle assembly.Front steering axle assembly includes big drop front axle 15, small size knuckle arm 16 and the recessed steering of U-shaped
Drag link 17, brake chamber 18 etc..
Preferably, 125~130mm of the big drop level difference of front shaft (as above jumps 50mm, lower jump to meet wheel travel
150mm) require.The knuckle arm 16 shortens 20~30mm than conventional, to guarantee that movement interference does not occur with air bag.It is described
17 50~70mm of groove depth of track rod and be not less than front axle lowest part position, to guarantee to integrate support 7 under with air spring
It does not interfere.It sets on the brake chamber 18, is interfered when guaranteeing vehicle wheel rotation with steering linkage.
The present embodiment is mainly made of stabiliser bar 2, anti-sway bar 3, the damper 4 of air spring 1, integrated longitudinal rod.
Air spring 1 is installed on the downside of vehicle frame by air spring and vehicle frame connecting bracket 8, is filled by integrating support 7 under air spring
Onto front axle 15.2 both ends of stabiliser bar of integrated longitudinal rod are connect by transition bracket 23 with support 7 integrated under air spring (logical
Cross third connecting hole 7e), centre is assembled by bearing cap 9 and connecting bracket 10.4 lower end of damper by the 5th connecting hole 7g with
It integrates support 7 under air spring to connect, upper end is connected by damper upper bracket 12 with vehicle frame.3 left end of anti-sway bar and sky
The 4th connecting hole 7f connection of support 7 is integrated under gas spring, right end is connect with the second connecting hole of bracket 13b, right low left high.
The air spring is welded with vehicle frame connecting bracket 8 by zigzag shape sheet metal component 8a and circular steel plate 8b, several words
Shape sheet metal component 8a is equipped with connecting hole and connect with vehicle frame, and circular steel plate 8b and 1 upper cover of air spring cooperate, and pad in vehicle frame bottom wing
Face.Preferably, frame inside setting Auxiliary support bracket avoids bending deformation on the inside of air bag excessive.
Support 7 is integrated under the air spring, the first plane 7a is with 1 piston bottom surface of air spring in horizontally disposed；
Second plane 7b and 15 support of front axle cooperate.Equipped with the first connecting hole 7c connection air bag, the second connecting hole 7d connection front axle 15,
Three connecting hole 7e connections integrate the stabiliser bar 2 of longitudinal rod, the 4th connecting hole 7f connection anti-sway bar 3, and the 5th connecting hole 7g connects
Connect damper 4.
Feature locating for the third connecting hole 7e is H-shaped, realizes drop weight；Low outer height in slot bottom 7h, to guarantee to meet bounce
Increase lateral thrust pole length on the basis of stroke, reduces the torsion angle of embedded rubber shaft bearing.
A kind of front air suspension of low chassis, the stabiliser bar 2 for integrating longitudinal rod includes tubulose torsion bar 21, big knife plate 22
And transition bracket 23.Tubulose torsion bar 21 and big knife plate 22 first by integrally welded after the interference of chicken-core-shape axis hole, then with mistake
Bracket 23 is crossed to be bolted.Transition bracket 23 is equipped with 3 bolts hole and integrates support 7 under air spring for connecting.
The tubulose torsion bar 21 is welded by hollow spring steel pipe 210 and integrated end 211, is implemented in welding surface 211d
Friction welding.Hollow spring steel pipe is U-shaped, integrates end 211 and is equipped with welding surface 211d, Thrust Faces 211c, chicken-core-shape end face
The mating surface 211a of 211b and bearing.Thrust Faces 211c and chicken-core-shape end face 211b limits the opposite tubulose of big knife plate 22 respectively and turns round
Bar 21 is moved left and right, is axially rotated.
The big knife plate 22 is equipped with heart connecting hole 22a, and repeated hole 22b and the first connecting hole of transition bracket 22c drops in quadrangle.
Heart connecting hole 22a quantity 3, it is upper below with machete plate profile parallel.The first connecting hole of transition bracket 22c or more " < " shape row
Column, 2 before quantity after 4.
It is highly preferred that big knife plate length is between 550~650mm, rubber bushing corner when jumping 150mm under wheel to meet
No more than such as 10 degree of limit value.
The anti-sway bar 3, lateral thrust knock-off joint A3a, lateral thrust knock-off joint B3b be respectively embedded into rubber shaft bearing with
Vibration insulation and noise reduction, centre are arc structural I-beam 3c, and preferably extruding cast aluminium or high-strength cast iron is integrally manufactured, than original junction block
Separate form assembly efficiency is higher, and weight is lighter.
It is highly preferred that the anti-sway bar 3, lateral thrust knock-off joint A3a, the axial direction of lateral thrust knock-off joint B3b are long
Degree should be grown as far as possible, to reduce the transverse movement of wheel vehicle bridge during moving up and down, reduce tire wear, while most because of wheel
In the reasonable scope, such as ± 15 ° of torsion, sled is bent: ± 13 ° for the corner that big bounce is formed.
The present invention provides a kind of automobile of low chassis, and the connecting bracket 10 that stringer two sides are located on front side of vehicle frame passes through vehicle frame branch
Support the connection of beam 11 each other, vehicle frame posterior lateral distance rod and vehicle frame connecting bracket 13, horizontal pulling plate and vehicle frame connecting bracket 14 cross
Pulling plate 5 is connected with each other.The two belongs to vehicle frame strengthened scheme, and vehicle frame locally generates excessive change when seriously rolling to avoid vehicle
Shape.
It is highly preferred that the vehicle frame supporting beam 11 passes through the 11c friction welding of twice weld seam by pipe beam 11a, four hole bracket 11b
It forms, simple cheap；Connecting bracket 10 is equipped with connecting bracket the first connecting hole 10a and matches the integrated longitudinal rod for integrating longitudinal rod
Stabiliser bar 2, connecting bracket the second connecting hole 10b connecting vehicle frame simultaneously cooperate, connecting bracket third connecting hole 10c with vehicle frame lower aerofoil
Connecting vehicle frame supporting beam 11 and transfer law based on power carry out light-weighted slot 10d；Anti-sway bar and vehicle frame connecting bracket
13 are respectively equipped with bracket the first connecting hole 13a connecting vehicle frame, and quantity 5, upper 2 descend 3；Bracket the second connecting hole 13b connection is laterally
Distance rod 3, quantity 2；The horizontal pulling plate 5 of bracket third connecting hole 13c connection, quantity 2.Horizontal pulling plate is made into U-shaped, is jumped under wheel with realizing
When do not interfered with power assembly.
A kind of automobile of low chassis of the present invention, front steering axle assembly include big drop front axle 15, small size steering
Joint arm 16 and the recessed track rod 17 of U-shaped.
Preferably, the 15 125~130mm of drop of big drop front axle, jumps 50mm to meet on wheel, lower to jump 150mm's
Range demands.The knuckle arm 16 shortens 20~30mm than conventional, to guarantee that movement interference does not occur with air bag.Described
17 50~70mm of groove depth of track rod and it is not less than 15 lowest part position of front axle, to guarantee to integrate support 7 under with air spring
It does not interfere.
Embodiment described in the invention is a part of the embodiment of the present invention, instead of all the embodiments.For ability
For the technical staff in domain, without making creative work, is modified based on embodiment or portion of techniques is special
Sign replacement does not make the essence of its technical solution be detached from the spirit and scope of the present invention, belongs to the range of this patent protection.Such as
The stabiliser bar 2 that Figure 11 gives up integrated longitudinal rod uses the traditional structure of stabilizer bar 01 and four trailing links 02, but its instead
Its structure feature is similar with this patent, also belongs to the embodiment fallen in scope of the appended claims.
Claims (10)
1. a kind of front air suspension of low chassis, it is characterised in that: the stabiliser bar including air spring (1), integrated longitudinal rod
(2), anti-sway bar (3) and damper (4)；
The air spring (1) is installed on the downside of vehicle frame by air spring and vehicle frame connecting bracket (8), by under air spring
Integrated support (7) are attached on front axle (15)；
Support (7) connection is integrated under stabiliser bar (2) both ends of the integrated longitudinal rod and air spring, centre passes through bearing cap
(9) it is assembled with connecting bracket (10)；
Support (7) connection is integrated under damper (4) lower end and air spring, upper end is connected with vehicle frame；
Support (7) connection, right end and anti-sway bar are integrated under anti-sway bar (3) left end and air spring and vehicle frame connects
Connect bracket (13) connection.
2. a kind of front air suspension of low chassis according to claim 1, it is characterised in that:
The air spring is welded with vehicle frame connecting bracket (8) by zigzag shape sheet metal component (8a) and circular steel plate (8b), several
Font sheet metal component (8a) is equipped with connecting hole and connect with vehicle frame, and circular steel plate (8b) and air spring (1) upper cover cooperate, and pad in vehicle
On frame lower aerofoil.
3. a kind of front air suspension of low chassis according to claim 1, it is characterised in that:
Support (7) are integrated under the air spring, the first plane (7a) and air spring (1) piston bottom surface are in horizontal cloth
It sets；Second plane (7b) and front axle (15) support cooperate；Air bag is connected equipped with the first connecting hole (7c), the second connecting hole (7d) is even
It connects front axle (15), third connecting hole (7e) connects the stabiliser bar (2) of integrated longitudinal rod, and the 4th connecting hole (7f) connects lateral thrust
Bar (3), the 5th connecting hole (7g) connect damper (4).
4. a kind of front air suspension of low chassis according to claim 1, it is characterised in that:
The stabiliser bar (2) of the integrated longitudinal rod includes tubulose torsion bar (21), big knife plate (22) and transition bracket (23)；Tubulose is turned round
Bar (21) and big knife plate (22) are bolted by integrally welded after the interference of chicken-core-shape axis hole with transition bracket (23)；It is integrated
Stabiliser bar (2) both ends of longitudinal rod are by integrating support (7) connection, transition bracket (23) under transition bracket (23) and air spring
Support (7) are integrated under air spring for connecting equipped with bolt hole.
5. a kind of front air suspension of low chassis according to claim 4, it is characterised in that:
The tubulose torsion bar (21) is welded by hollow spring steel pipe (210) with integrated end (211), is integrated end (211)
Equipped with welding surface (211d), Thrust Faces (211c), chicken-core-shape end face (211b) and bearing fit axial plane (211a)；In welding surface
(211d) implements friction welding；Hollow spring steel pipe (210) is U-shaped, and Thrust Faces (211c) and chicken-core-shape end face (211b) divide
Big knife plate (22) is not limited to move left and right relative to tubulose torsion bar (21), axially rotate.
6. a kind of front air suspension of low chassis according to claim 4, it is characterised in that:
The big knife plate (22) is equipped with heart connecting hole (22a), and repeated hole (22b) and the first connecting hole of transition bracket drop in quadrangle
(22c)；Heart connecting hole (22a) quantity 3, it is upper below with big knife plate (22) profile parallel；The first connecting hole of transition bracket
(22c) " < " shape arranges up and down, 2 before quantity after 4；
Big knife plate (22) length is between 550~650mm.
7. a kind of front air suspension of low chassis according to claim 1, it is characterised in that:
The anti-sway bar (3) is equipped with lateral thrust knock-off joint A (3a) and lateral thrust knock-off joint B (3b)；Anti-sway bar
Connector A (3a), lateral thrust knock-off joint B (3b) are respectively embedded into rubber shaft bearing with vibration insulation and noise reduction, and centre is arc structural I-beam
(3c), the anti-sway bar (3) are that extruding cast aluminium or high-strength cast iron are integrally manufactured.
8. a kind of front air suspension of low chassis according to claim 1, it is characterised in that:
The connecting bracket (10) is located at stringer two sides on front side of vehicle frame, connect with vehicle frame supporting beam (11)；
The anti-sway bar and vehicle frame connecting bracket (13) are located on rear side of vehicle frame, pass through horizontal pulling plate (5) and horizontal pulling plate and vehicle frame
Connecting bracket (14) connection；
The vehicle frame supporting beam (11) is formed by Guan Liang (11a), four hole brackets (11b) by twice friction welding weld seam (11c)；
The connecting bracket (10) is equipped with the stabiliser bar (2) that the first connecting hole of connecting bracket (10a) matches integrated longitudinal rod, is equipped with
The second connecting hole of connecting bracket (10b) connecting vehicle frame simultaneously cooperates with vehicle frame lower aerofoil, is equipped with connecting bracket third connecting hole (10c)
Connecting bracket supporting beam (11) is equipped with slot (10d)；
The anti-sway bar and bracket connecting bracket (13) are equipped with the first connecting hole of bracket (13a) connecting vehicle frame, are equipped with bracket
Second connecting hole (13b) connects anti-sway bar (3), is equipped with bracket third connecting hole (13c) and connects horizontal pulling plate (5).
9. a kind of automobile, including front steering axle assembly, the front steering axle assembly includes front axle (15), knuckle arm (16), turns
To drag link (17) and brake chamber (18), it is characterised in that:
Front air suspension including low chassis described in claim 1 to 8 any one.
10. a kind of automobile according to claim 1, it is characterised in that:
Front axle (15) 125~130mm of drop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811616958.8A CN109664706B (en) | 2018-12-28 | 2018-12-28 | Front air suspension with low chassis and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811616958.8A CN109664706B (en) | 2018-12-28 | 2018-12-28 | Front air suspension with low chassis and automobile |
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| CN109664706A true CN109664706A (en) | 2019-04-23 |
| CN109664706B CN109664706B (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811616958.8A Active CN109664706B (en) | 2018-12-28 | 2018-12-28 | Front air suspension with low chassis and automobile |
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| Country | Link |
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| CN (1) | CN109664706B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873737A (en) * | 2020-07-31 | 2020-11-03 | 一汽解放汽车有限公司 | Air spring upper bracket and automobile chassis air suspension |
| CN113787877A (en) * | 2021-09-22 | 2021-12-14 | 一汽解放汽车有限公司 | Air suspension system for vehicle |
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| US4664407A (en) * | 1985-12-16 | 1987-05-12 | Griffin Sr Arthur D | Air ride vehicle front suspension assembly |
| CN2837128Y (en) * | 2005-04-27 | 2006-11-15 | 东风汽车悬架弹簧有限公司 | A front air suspension frame for coach chassis |
| CN2933932Y (en) * | 2006-08-17 | 2007-08-15 | 东风汽车有限公司 | Air suspension device of automobile steering axle |
| CN200981472Y (en) * | 2006-12-18 | 2007-11-28 | 北京柯布克科技开发有限公司 | High-grade passenger car air suspension matched with common steering axle |
| CN201659862U (en) * | 2009-07-21 | 2010-12-01 | 丹阳市车船装饰件有限公司 | Front air suspension system on large-sized passenger car |
| CN203666321U (en) * | 2014-01-22 | 2014-06-25 | 中国重汽集团济南动力有限公司 | Novel front air suspension combined support |
| CN207311021U (en) * | 2017-08-24 | 2018-05-04 | 潍柴动力股份有限公司 | Front air suspension frame system and medium-weight vehicle for medium-weight vehicle |
| CN209634210U (en) * | 2018-12-28 | 2019-11-15 | 一汽解放汽车有限公司 | A kind of front air suspension and automobile of low chassis |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4664407A (en) * | 1985-12-16 | 1987-05-12 | Griffin Sr Arthur D | Air ride vehicle front suspension assembly |
| CN2837128Y (en) * | 2005-04-27 | 2006-11-15 | 东风汽车悬架弹簧有限公司 | A front air suspension frame for coach chassis |
| CN2933932Y (en) * | 2006-08-17 | 2007-08-15 | 东风汽车有限公司 | Air suspension device of automobile steering axle |
| CN200981472Y (en) * | 2006-12-18 | 2007-11-28 | 北京柯布克科技开发有限公司 | High-grade passenger car air suspension matched with common steering axle |
| CN201659862U (en) * | 2009-07-21 | 2010-12-01 | 丹阳市车船装饰件有限公司 | Front air suspension system on large-sized passenger car |
| CN203666321U (en) * | 2014-01-22 | 2014-06-25 | 中国重汽集团济南动力有限公司 | Novel front air suspension combined support |
| CN207311021U (en) * | 2017-08-24 | 2018-05-04 | 潍柴动力股份有限公司 | Front air suspension frame system and medium-weight vehicle for medium-weight vehicle |
| CN209634210U (en) * | 2018-12-28 | 2019-11-15 | 一汽解放汽车有限公司 | A kind of front air suspension and automobile of low chassis |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873737A (en) * | 2020-07-31 | 2020-11-03 | 一汽解放汽车有限公司 | Air spring upper bracket and automobile chassis air suspension |
| CN111873737B (en) * | 2020-07-31 | 2022-05-24 | 一汽解放汽车有限公司 | Air spring upper bracket and automobile chassis air suspension |
| CN113787877A (en) * | 2021-09-22 | 2021-12-14 | 一汽解放汽车有限公司 | Air suspension system for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109664706B (en) | 2024-02-23 |
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