CN203713460U - Double-rear axle air suspension system of heavy truck tractor - Google Patents
Double-rear axle air suspension system of heavy truck tractor Download PDFInfo
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- CN203713460U CN203713460U CN201420096479.9U CN201420096479U CN203713460U CN 203713460 U CN203713460 U CN 203713460U CN 201420096479 U CN201420096479 U CN 201420096479U CN 203713460 U CN203713460 U CN 203713460U
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- tractor truck
- guiding spring
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- 239000000725 suspension Substances 0.000 title claims abstract description 49
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 abstract description 8
- 238000000429 assembly Methods 0.000 abstract description 8
- 235000014676 Phragmites communis Nutrition 0.000 abstract 3
- 239000006096 absorbing agent Substances 0.000 description 10
- 230000035939 shock Effects 0.000 description 10
- 241001247986 Calotropis procera Species 0.000 description 3
- 108010027644 Complement C9 Proteins 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000004712 air sac Anatomy 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a double-rear axle air suspension system of a heavy truck tractor. The system comprises a pair of frames, an axle assembly, a transverse beam as well as a pair of guide reed assemblies which are correspondingly arranged below the pair of the frames and are parallel to the frames, wherein any one of the guide reed assemblies comprises a first connecting part, a second connecting part and a third connecting part which are respectively mounted on the frames, the transverse beam and the axle assemblies. The air suspension system is also used in vehicles with double axle assemblies and double transverse beams, and due to adoption of the suspension system, the guide reed assemblies also take the responsibility of bearing the suspension system, so that the weight is reduced, the cost is lowered, and at the same time the comfort and the smoothness of the overall vehicle are achieved.
Description
Technical field
The utility model belongs to automotive suspension technical field, is specifically related to one and heavily blocks the two bridge air suspension systems of tractor truck.
Background technology
At present, the two back axle rear-suspension systems of domestic heavy card tractor truck adopt balance shaft suspension more, and this system is using steel spring as elastic element, and it is serious that therefore the ride comfort of system is subject to the impact of load, and car load ride comfort, traveling comfort are relatively poor, be unfavorable for the transport of precise article.In addition, adopt balance shaft suspension, overall weight is large, is also unfavorable for the demand of lightweight and the energy-saving and emission-reduction of car load.
For overcoming the above-mentioned defect of equalizing suspension system, there is the airsuspension system taking air bellow as core, this system has realized vehicle at the unloaded substantially constant with meeting state under body natural frequency, ride comfort and the traveling comfort of vehicle are improved greatly, and, airsuspension system can arbitrarily regulate bodywork height, is conducive to realize the accessible docking of vehicle.The airsuspension system that domestic commercial vehicle adopts mostly is full air sac airsuspension system, this suspension system complex structure, cost is high, is difficult to meet the demand of domestic correspondent, the invention provides a kind of structure two bridge air suspension systems relatively simple, with low cost based on this.
Utility model content
For solving the problems of the technologies described above, the utility model provides one heavily to block the two bridge air suspension systems of tractor truck, it comprises: along described heavy card tractor truck vehicle body longitudinal extension and a pair of vehicle frame that is arranged symmetrically with, along the axle assembly of described heavy card tractor truck vehicle body lateral arrangement, and the crossbeam being arranged in parallel with described axle assembly, wherein: also comprise that correspondence is arranged in described a pair of vehicle frame below and is parallel to a pair of guiding spring assembly of described vehicle frame, described arbitrary guiding spring assembly comprises: the first pontes, described the first pontes is arranged on vehicle frame by guiding spring bracket, the second connecting bridge, described the second connecting bridge is connected with the crossbeam of described heavy card tractor truck, the 3rd connecting bridge, the 3rd connecting bridge is connected with described axle assembly.
Optionally, described the first pontes is the front end of described guiding spring assembly, and described the second connecting bridge is the rear end of described guiding spring assembly, and described the 3rd connecting bridge is the middle part of described guiding spring assembly.
Optionally, described second and third connecting bridge is same position, or described first and third connecting bridge is same position.
Optionally, described guiding spring assembly is negative arc type, to make described the second connecting bridge higher than described the first pontes and the 3rd connecting bridge; Or described the first pontes self is negative arc type, to make the front end height of described the first pontes lower than the height at its middle part.
Optionally, the top of described crossbeam is also connected with air spring assembly, and the top of described air spring assembly is connected with vehicle frame by air bellow support.
Optionally, also comprise vibration damper assembly, described vibration damper assembly is between described axle assembly and air spring assembly, and described vibration damper assembly lower end is connected with bumper lower bracket, and described vibration damper assembly upper end is fixed on vehicle frame by bumper upper bracket.
Optionally, also comprise and highly control sensor unit, described height control sensor unit symmetry is installed on vehicle frame both sides, and described height control sensor unit comprises height regulating rod, on the axle assembly that described height regulating rod is fixed on.
Optionally, described guiding spring bracket lower end is hinged by guiding spring bolt and described guiding spring assembly.
Optionally, there is packing ring in described guiding spring assembly both sides, to regulate the gap of described guiding spring assembly and described guiding spring bracket.
In addition, the utility model also provides one heavily to block the two bridge air suspension systems of tractor truck, it comprises: along described heavy card tractor truck vehicle body longitudinal extension and a pair of vehicle frame that is arranged symmetrically with, along described heavy card tractor truck vehicle body lateral arrangement and become parallel middle axle assembly and back axle assembly, and the crossbeam being arranged in parallel with described middle axle assembly and back axle assembly, it is characterized in that, described middle axle assembly and back axle assembly comprise respectively:
Correspondence is arranged in described a pair of vehicle frame below and is parallel to a pair of guiding spring assembly of described vehicle frame, and described arbitrary guiding spring assembly comprises:
The first pontes, described the first pontes is arranged on vehicle frame by guiding spring bracket;
The second connecting bridge, described the second connecting bridge is connected with the crossbeam of described heavy card tractor truck;
The 3rd connecting bridge, described the 3rd connecting bridge is connected with described axle assembly.
This suspension system is in the case of the suspension system of not introducing additional complexity, and the spring assembly that makes to lead is also born the function of suspension system, therefore, in reducing suspension system weight and cost, has realized traveling comfort and the ride comfort of car load.
Brief description of the drawings
Fig. 1 is the lateral plan that heavily blocks the two bridge air suspension systems of tractor truck the utility model proposes;
Fig. 2 is the forward view of Fig. 1;
Fig. 3 is the birds-eye view of Fig. 2;
Fig. 4 is A-A part sectional view in Fig. 2; With
Fig. 5 is the structural representation of guiding spring assembly 3.
Reference numeral: 1, guiding spring bracket, 2, guiding spring bolt, 3, guiding spring assembly, 4, saddle clamp, 5, lower support of shock absorber, 6, crossbeam, 7, air spring assembly, 8, air bellow support, 9, vibration damper complement, 10, shock absorber upper bracket, 11, highly control sensor unit, 12, back axle assembly, 13, middle axle assembly, 14, vehicle frame, 15, packing ring, 16, rubber bush, 17, guiding spring bluff bit, 18, guiding spring main leaf, 19, center bolt.
Detailed description of the invention
The utility model provides one heavily to block the two bridge air suspension systems of tractor truck, as shown in Figures 1 to 3, it comprises: along described heavy card tractor truck vehicle body longitudinal extension and a pair of vehicle frame 14 that is arranged symmetrically with, for example, along the axle assembly (axle assembly 13 in) of described heavy card tractor truck vehicle body lateral arrangement, and the crossbeam 6 for example, being arranged in parallel with described axle assembly (in axle assembly 13), wherein: also comprise that correspondence is arranged in described a pair of vehicle frame 14 belows and is parallel to a pair of guiding spring assembly 3 of described vehicle frame, described arbitrary guiding spring assembly 3 comprises: the first pontes, described the first pontes is arranged on vehicle frame 14 by guiding spring bracket 1, the second connecting bridge, described the second connecting bridge is connected with the crossbeam 6 of described heavy card tractor truck, the 3rd connecting bridge, described the 3rd connecting bridge for example, is connected with described axle assembly (axle assembly 13 in).
This suspension system is in the case of the suspension system of not introducing additional complexity, and the spring assembly that makes to lead is also born the function of suspension system, therefore, in reducing suspension system weight and cost, has realized traveling comfort and the ride comfort of car load.
As Fig. 1 to 3, the first pontes of described guiding spring assembly 3 is the front end of described guiding spring assembly 3, the second connecting bridge of guiding spring assembly 3 is the rear end of described guiding spring assembly 3, and the 3rd connecting bridge of guiding spring assembly 3 is the middle part of described guiding spring assembly 3.As technological improvement, second and third described connecting bridge can be a position of substantial equivalence; Or first and third connecting bridge can be a position of substantial equivalence.
As an advantageous modification of the present utility model: the first pontes of guiding spring assembly 3 designs for equal stress, self be negative arc type at the above the first pontes of contour structures, to make the front end height of described the first pontes lower than the height at its middle part.
The first pontes self is the preferred version of negative arc type relatively.The utility model also provides another preferred version, described guiding spring assembly 3 is negative arc type, to make described the second connecting bridge higher than described the first pontes and the second connecting bridge, as shown in the figure, guiding spring assembly 3 is negative arc type, and its first, second and third connecting bridge is respectively the different piece of camber.
As improvement of the present utility model, the top of described crossbeam 6 is also connected with air spring assembly 7, and the top of described air spring assembly 7 is connected with vehicle frame 14 by air bellow support 8.Therefore air spring assembly also participates in suspension system, has realized traveling comfort and the ride comfort of car load together with aforesaid guiding spring assembly 3.
As another preferred embodiment, as further improvement, also comprise that air spring assembly 7 inside have bump rubber, the upper jumping while beating for back axle is spacing, the related components of protection vehicle.
As further improvement, also comprise vibration damper assembly 9, the described vibration damper assembly 9 of drawing together is for example arranged in, between described axle assembly (axle assembly 13) and air spring assembly 7, and described vibration damper assembly lower end is connected with bumper lower bracket 5, described vibration damper assembly upper end is fixed on vehicle frame 14 by bumper upper bracket 10.
As further improvement, also comprise and highly control sensor unit 11, described height control sensor unit 11 symmetries are installed on vehicle frame 14 both sides, described height control sensor unit comprises height regulating rod, described height regulating rod is fixed on axle assembly, is preferably fixed on back axle assembly 12.
As shown in Fig. 1 to 5, in figure: 1, guiding spring bracket, 2, guiding spring bolt, 3, guiding spring assembly, 4, saddle clamp, 5, lower support of shock absorber, 6, crossbeam, 7, air spring assembly, 8, air bellow support, 9, vibration damper complement, 10, shock absorber upper bracket, 11, highly control sensor unit, 12, back axle assembly, 13, middle axle assembly, 14, vehicle frame, 15, packing ring, 16, rubber bush, 17, guiding spring bluff bit, 18, guiding spring main leaf, 19, center bolt.
The utility model preferred embodiment, comprises back axle assembly 12 and middle axle assembly 13.And above-mentioned technical characterictic is also applicable to respectively back axle assembly 12 and middle axle assembly 13, i.e. each axle assembly, all has above-mentioned technical characterictic.Specific embodiment is:
One is heavily blocked the two bridge air suspension systems of tractor truck, it comprises: along described heavy card tractor truck vehicle body longitudinal extension and a pair of vehicle frame that is arranged symmetrically with, along described heavy card tractor truck vehicle body lateral arrangement and become parallel middle axle assembly and back axle assembly, and the crossbeam being arranged in parallel with described middle axle assembly and back axle assembly, wherein, described middle axle assembly and back axle assembly comprise respectively: correspondence is arranged in described a pair of vehicle frame below and is parallel to a pair of guiding spring assembly of described vehicle frame, described arbitrary guiding spring assembly comprises: the first pontes, described the first pontes is arranged on vehicle frame by guiding spring bracket, the second connecting bridge, described the second connecting bridge is connected with the crossbeam of described heavy card tractor truck, the 3rd connecting bridge, described the 3rd connecting bridge is connected with described axle assembly.
As shown in the figure, two bridge air suspension systems comprise: air spring assembly, guiding spring assembly, guiding spring bracket, vibration damper complement, air bellow support, shock absorber support, guiding spring bolt, saddle clamp, middle axle assembly, back axle assembly, crossbeam, highly control sensor unit and vehicle frame etc.Guiding spring assembly and air spring assembly play the effect of carrying jointly, and guiding spring assembly also has the effect of guiding and located lateral.Totally four of guiding spring brackets, symmetry is installed on the vehicle frame left and right sides respectively, and guiding spring bracket lower end is hinged by guiding spring bolt and guiding spring assembly, has packing ring to regulate the gap of guiding spring assembly and guiding spring bracket in guiding spring assembly both sides.Guiding spring assembly is connected by saddle clamp with jackshaft (back axle).Guiding spring assembly rear end, two of left and right is connected by crossbeam, makes a system rectangular structure of composition (or being called U structure, trench structure).Before and after four air spring assemblies lay respectively at, the top of two crossbeams, is arranged symmetrically with in vehicle frame, and air spring assembly top is connected with vehicle frame by air bellow support.Vibration damper assembly is positioned between jackshaft (back axle) and air spring assembly, and described vibration damper assembly lower end is connected with bumper lower bracket, and described vibration damper assembly upper end is fixed on vehicle frame by bumper upper bracket.Highly control sensor unit symmetry and be installed on vehicle frame both sides, height regulating rod is fixed on the axle housing of back axle.
Referring to figs. 1 through 5, heavily blocking the two back axle air spring assemblies of tractor truck mainly comprises: vehicle frame 14, guiding spring bracket 1, guiding spring assembly 3, saddle clamp 4, lower support of shock absorber 5, crossbeam 6, air bellow 7, vibration damper complement 9, highly controls sensor unit 11 and middle axle assembly 13 and back axle assembly 12.
Four guiding spring brackets 1 are connected with vehicle frame 14 by bolt, and the fore-and-aft distance of installation has been determined the wheelbase of bogie suspension system, and transverse distance is determined guiding spring distance and the air bellow distance of suspension system.Guiding spring assembly 3 front end rubber bushs 16 are hinged with guiding spring bracket 1 by guiding spring bolt 2, as Fig. 3, between guiding spring assembly and guiding spring bracket, regulate gap to being less than 0.5mm by packing ring 15.Guiding spring center bolt 19 positions are arranged in lower support of shock absorber 5 and axle assembly 13(back axle assembly 12) between, three is fastenedly connected by saddle clamp 4.Realization is adjusted jointly by the camber of guiding spring assembly 3 and the oblique angle of middle back axle leaf spring bracket in the elevation angle of middle back axle."Ji" type crossbeam 6 is positioned at the rear portion of guiding spring assembly 3, is connected with the guiding spring assembly 3 of the left and right sides, for improving the lateral stiffness of suspension system, reduces the teeter amount of middle back axle assembly, improves the service life of air spring assembly 7.Crossbeam 6 tops are connected with air spring assembly 7.Air spring assembly 7 is connected with vehicle frame 14 by air bellow support 8.Vibration damper complement 9 is two-way hydraulic tubular shock absorber, for improving the ride comfort of suspension system, described vibration damper complement 9 is arranged in vehicle frame 14 left and right sides axle assembly 13(back axle assemblys 12) rear, lower end and lower support of shock absorber 5 are hinged, and vehicle frame 14 sides are fixed on by shock absorber upper bracket 9 in upper end.Highly control sensor unit 11 for realizing the monitoring of airsuspension system height, be installed on vehicle frame 14 left and right sides, the height regulating rod of described height control sensor unit 11 is installed on the axle housing left and right sides of back axle assembly 12.
The utility model is realized guiding and the located lateral effect of above-mentioned suspension system by the high strength spring bracket that leads; The guiding spring assembly of variable cross-section form is realized the steering capability of above-mentioned suspension system, anti-inclination performance and part load-carrying properties, has replaced guide arm, propelling rod and the stabilizator rod structure of normal air suspension system; Adopt negative guiding spring camber to reduce the change of the various system parameters that produce due to the load metamorphism of guiding spring, improved system stability.The tractor truck bogie suspension system of heavily blocking the utility model has not only realized good ride comfort and the traveling comfort of air suspension, and simple in structure, easy to maintenance, and greatly reduces suspension cost.
Claims (10)
1. one kind is heavily blocked the two bridge air suspension systems of tractor truck, it comprises: along described heavy card tractor truck vehicle body longitudinal extension and a pair of vehicle frame that is arranged symmetrically with, along the axle assembly of described heavy card tractor truck vehicle body lateral arrangement, and the crossbeam being arranged in parallel with described axle assembly, it is characterized in that, also comprise:
Correspondence is arranged in described a pair of vehicle frame below and is parallel to a pair of guiding spring assembly of described vehicle frame, and described arbitrary guiding spring assembly comprises:
The first pontes, described the first pontes is arranged on vehicle frame by guiding spring bracket;
The second connecting bridge, described the second connecting bridge is connected with the crossbeam of described heavy card tractor truck;
The 3rd connecting bridge, described the 3rd connecting bridge is connected with described axle assembly.
2. the two bridge air suspension systems of heavy card tractor truck as claimed in claim 1, it is characterized in that: described the first pontes is the front end of described guiding spring assembly, described the second connecting bridge is the rear end of described guiding spring assembly, and described the 3rd connecting bridge is the middle part of described guiding spring assembly.
3. the two bridge air suspension systems of heavy card tractor truck as claimed in claim 2, it is characterized in that: described second and third connecting bridge is same position, or described first and third connecting bridge are same position.
4. the two bridge air suspension systems of heavy card tractor truck as claimed in claim 2, is characterized in that: described guiding spring assembly is negative arc type, to make described the second connecting bridge higher than described the first pontes and the 3rd connecting bridge; Or described the first pontes self is negative arc type, to make the front end height of described the first pontes lower than the height at its middle part.
5. the two bridge air suspension systems of heavy card tractor truck as claimed in claim 1, is characterized in that: the top of described crossbeam is also connected with air spring assembly, and the top of described air spring assembly is connected with vehicle frame by air bellow support.
6. the two bridge air suspension systems of heavy card tractor truck as claimed in claim 1, it is characterized in that: also comprise vibration damper assembly, described vibration damper assembly is between described axle assembly and air spring assembly, and described vibration damper assembly lower end is connected with bumper lower bracket, and described vibration damper assembly upper end is fixed on vehicle frame by bumper upper bracket.
7. the two bridge air suspension systems of heavy card tractor truck as claimed in claim 1, it is characterized in that: also comprise and highly control sensor unit, described height control sensor unit symmetry is installed on vehicle frame both sides, described height control sensor unit comprises height regulating rod, on the axle assembly that described height regulating rod is fixed on.
8. the two bridge air suspension systems of heavy card tractor truck as claimed in claim 1, is characterized in that: described guiding spring bracket lower end is hinged by guiding spring bolt and described guiding spring assembly.
9. the two bridge air suspension systems of heavy card tractor truck as claimed in claim 1, is characterized in that: have packing ring in described guiding spring assembly both sides, to regulate the gap of described guiding spring assembly and described guiding spring bracket.
10. one kind is heavily blocked the two bridge air suspension systems of tractor truck, it comprises: along described heavy card tractor truck vehicle body longitudinal extension and a pair of vehicle frame that is arranged symmetrically with, along described heavy card tractor truck vehicle body lateral arrangement and become parallel middle axle assembly and back axle assembly, and the crossbeam being arranged in parallel with described middle axle assembly and back axle assembly, it is characterized in that, described middle axle assembly and back axle assembly comprise respectively:
Correspondence is arranged in described a pair of vehicle frame below and is parallel to a pair of guiding spring assembly of described vehicle frame, and described arbitrary guiding spring assembly comprises:
The first pontes, described the first pontes is arranged on vehicle frame by guiding spring bracket;
The second connecting bridge, described the second connecting bridge is connected with the crossbeam of described heavy card tractor truck;
The 3rd connecting bridge, described the 3rd connecting bridge is connected with described axle assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096479.9U CN203713460U (en) | 2014-03-04 | 2014-03-04 | Double-rear axle air suspension system of heavy truck tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096479.9U CN203713460U (en) | 2014-03-04 | 2014-03-04 | Double-rear axle air suspension system of heavy truck tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203713460U true CN203713460U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420096479.9U Expired - Fee Related CN203713460U (en) | 2014-03-04 | 2014-03-04 | Double-rear axle air suspension system of heavy truck tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203713460U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240631A (en) * | 2016-08-18 | 2016-12-21 | 安徽江淮汽车股份有限公司 | The Dual-front Axle Steering System of Vehicle that a kind of two bridges can promote |
| CN107962924A (en) * | 2017-09-21 | 2018-04-27 | 常州信息职业技术学院 | Double-bridge type L-shaped beam air suspension |
-
2014
- 2014-03-04 CN CN201420096479.9U patent/CN203713460U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240631A (en) * | 2016-08-18 | 2016-12-21 | 安徽江淮汽车股份有限公司 | The Dual-front Axle Steering System of Vehicle that a kind of two bridges can promote |
| CN106240631B (en) * | 2016-08-18 | 2018-09-11 | 安徽江淮汽车集团股份有限公司 | A kind of Dual-front Axle Steering System of Vehicle that two bridges can be promoted |
| CN107962924A (en) * | 2017-09-21 | 2018-04-27 | 常州信息职业技术学院 | Double-bridge type L-shaped beam air suspension |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20190304 |
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| CF01 | Termination of patent right due to non-payment of annual fee |