CN104354557A - Rear lifting axle air suspension system for tractor - Google Patents
Rear lifting axle air suspension system for tractor Download PDFInfo
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- CN104354557A CN104354557A CN201410483585.7A CN201410483585A CN104354557A CN 104354557 A CN104354557 A CN 104354557A CN 201410483585 A CN201410483585 A CN 201410483585A CN 104354557 A CN104354557 A CN 104354557A
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- lift bridge
- air bag
- guide arm
- lifting
- air suspension
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Abstract
The invention discloses a rear lifting axle air suspension system for a tractor. The rear lifting axle air suspension system comprises a lifting axle assembly and a lifting air pocket arranged in the middle right ahead the lifting axle assembly; the upper end of the lifting air pocket is connected with a lifting support fixed to the lifting axle assembly, and the lower end of the lifting air pocket is connected with lifting air pocket bracket arms connected between frames. According to the invention, the air suspension structure is simpler, and the air suspension system has the advantages that the quantity of parts is small, the maintenance, the processing and the manufacture are convenient, and the weight is light; the layout of a low-chassis car is facilitated; as the lifting air pocket bracket arms supporting the lifting air pocket are arranged between the frames, the space on two sides of the frames is reduced, the occupied space is small, the quantity of the lifting axle air suspensions is reduced, the assembly and maintenance convenience is improved, and the layout space of the air suspension system is improved.
Description
Technical field
The present invention relates to airsuspension system, be specifically related to air suspension of lift bridge system after a kind of tractor truck.
Background technology
Traditional air suspension of lift bridge system promotes air bag primarily of two, left and right, two, left and right carrying air bag, promotes air-bag support, composition such as carrying air-bag support, shock absorber etc.The inflation that air suspension of lift bridge system promotes air bag by two, left and right carrys out jack-up carrying air bag lower bracket, realizes the enhanced feature of lift bridge suspension thus.
Applicant finds that traditional lift bridge suspension system has following two shortcomings: one is that vehicle frame both sides have two to promote air bag and two carrying air bags, and not only number of parts is many, manufactures complicated, and maintenance difficulty.Two is that the lifting air bag of traditional air suspension of lift bridge is positioned at below vehicle frame, and take up room large, low chassis vehicle is difficult to arrange.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of number of parts few, maintenance is convenient, takes up room little, is convenient to air suspension of lift bridge system after the tractor truck of the layout of airsuspension system.
To achieve these goals, the technical solution used in the present invention is:
Air suspension of lift bridge system after this tractor truck, comprise lift bridge assembly and promote air bag, described lifting air bag is one, and described lifting air bag is located at described lift bridge assembly dead ahead midway location; The upper end of described lifting air bag is connected with the lifting bracket be fixed on described lift bridge assembly, and lower end and the lifting air bag trailing arm be connected between vehicle frame of described lifting air bag connect.
Described lifting air bag trailing arm two side ends is connected with vehicle frame side, and described lifting air bag trailing arm lower end is be supported on the support baseboard on described lifting air bag lower end.
The front frame that described lifting air bag trailing arm both sides are respectively equipped with guide arm and are connected with described vehicle frame, described guide arm front end and described front frame are flexibly connected, the rear end of described guide arm through below described lift bridge assembly, and is connected with described lift bridge assembly in the middle part of described guide arm.
Air suspension of lift bridge system after described tractor truck, also comprise two the carrying air bags being arranged on described lift bridge assembly rear, described carrying air bag upper end is fixedly connected with described vehicle frame by the support be located on carrying air bag, and described carrying air bag lower end is fixedly connected on described guide arm rear end.
Air suspension of lift bridge system after described tractor truck, also comprise two shock absorbers, described shock absorber upper end and the shock absorber upper bracket be arranged on described front frame are flexibly connected, described shock absorber lower end and the lower support of shock absorber be arranged on described guide arm are flexibly connected, and described lower support of shock absorber is located at the position between described lift bridge assembly and described front frame.
Described shock absorber upper bracket is welded on described front frame, and described lower support of shock absorber is welded on described guide arm.
Described guide arm front end by lining and front frame hinged, described lift bridge assembly is connected by guide arm U-bolt with described guide arm.
Described lifting bracket is connected to above lift bridge assembly by lift bridge U-bolt.
Be connected by being located at the connecting cross beam promoted on front side of air bag trailing arm between described front frame.
Described lift bridge assembly, lower support of shock absorber and described guide arm are linked into an integrated entity by described guide arm U-bolt.
The invention has the advantages that: air suspension of lift bridge system after this tractor truck, adopt single lifting air bag, and lifting air bag is arranged in lift bridge assembly front midway location; The advantages such as this structure can make air suspension structure become more simply, and it is few to have number of parts, is convenient to maintenance, convenient processing and manufacture, lightweight, being convenient to low chassis vehicle arranges; Supporting the lifting air bag trailing arm promoting air bag is located between vehicle frame, decreases space, vehicle frame both sides, takes up room little, decrease the quantity of air suspension of lift bridge, improves assembling and servicing ease, improves the arrangement space of airsuspension system.
Further, guide arm is as guiding mechanism, and to promote this lift bridge assembly and carrying air bag, this mid-monosaccate promotes suspension system and can conveniently be arranged on different types of non-powered axle.
Accompanying drawing explanation
Mark in the content expressed each width accompanying drawing of specification sheets of the present invention below and figure is briefly described:
Fig. 1 is the structural representation of air suspension of lift bridge system after tractor truck of the present invention.
Fig. 2 is the mounting structure schematic diagram of the lifting air bag of air suspension of lift bridge system after Fig. 1 tractor truck.
Mark in above-mentioned figure is:
1, connecting cross beam; 2, front frame; 3, guide arm; 4, guide arm U-bolt; 5, air bag is carried; 6, support; 7, lift bridge assembly; 8, air bag is promoted; 9, lifting bracket; 10, air bag trailing arm is promoted; 11, shock absorber upper bracket; 12, shock absorber; 13, lower support of shock absorber; 14, lift bridge U-bolt, 15, stay bearing plate.
Detailed description of the invention
Contrast accompanying drawing below, by the description to optimum embodiment, the specific embodiment of the present invention is described in further detail.
As shown in Figures 1 and 2, air suspension of lift bridge system after this tractor truck, comprise lift bridge assembly 7 and promote air bag 8, promoting air bag 8 is one, and lifting air bag 8 is located at lift bridge assembly 7 dead ahead midway location; The upper end promoting air bag 8 is connected with the lifting bracket 9 be fixed on lift bridge assembly 7, and the lower end and the lifting air bag trailing arm 10 be connected between vehicle frame that promote air bag 8 connect, and lifting air bag trailing arm 10 is rigidly attached to the position between vehicle frame.
Air suspension of lift bridge system after this tractor truck, adopts single lifting air bag 8, and lifting air bag 8 is arranged in lift bridge assembly 7 front midway location; The advantages such as this structure can make air suspension structure become more simply, and it is few to have number of parts, is convenient to maintenance, convenient processing and manufacture, lightweight, being convenient to low chassis vehicle arranges; Supporting the lifting air bag trailing arm 10 promoting air bag 8 is located between vehicle frame, decreases space, vehicle frame both sides, takes up room little, decrease the quantity of air suspension of lift bridge, improves assembling and servicing ease, improves the arrangement space of airsuspension system.
Promote air bag trailing arm 10 two side ends to be connected with vehicle frame side, promoting air bag trailing arm 10 lower end is be supported on the support baseboard 15 promoted on air bag 8 lower end.Promote air bag trailing arm 10 to be connected with vehicle frame two sides bolt, the support baseboard 15 being located at i.e. frame inside between vehicle frame provides lower support face for promoting air bag 8, in lifting air bag 8 gas replenishment process, provide antagonistic force.
Lifting bracket 9 is connected to above lift bridge assembly 7 by lift bridge U-bolt 14, lifting bracket 9 is connected with lifting air bag 8 upper end, make lifting bracket 9 be positioned at above lift bridge assembly 7, lifting bracket 9 transmission promotes hoisting force when air bag 8 is inflated, and lift bridge assembly 7 is promoted.
Promote the front frame 2 that air bag trailing arm 10 both sides are respectively equipped with guide arm 3 and are connected with vehicle frame, guide arm 3 front end and front frame 2 are flexibly connected, and the rear end of guide arm 3 through below lift bridge assembly 7, and is connected with lift bridge assembly 7 in the middle part of guide arm 3.Guide arm 3 is connected between front frame 2 and lift bridge assembly 7, and guide arm 3 is for promoting this lift bridge assembly 7 and carrying air bag 5.Guide arm 3 front end by lining and front frame 2 hinged, lift bridge assembly 7 is connected by guide arm U-bolt 4 with guide arm 3.
Air suspension of lift bridge system after this tractor truck, also comprise two the carrying air bags 5 being arranged on lift bridge assembly 7 rear, carrying air bag 5 upper end is fixedly connected with vehicle frame by the support 6 be located on carrying air bag 5, and carrying air bag 5 lower end is fixedly connected on guide arm 3 rear end.
Air suspension of lift bridge system after this tractor truck, also comprise two shock absorbers 12, shock absorber 12 upper end is hinged with the shock absorber upper bracket 11 be arranged on front frame 2, shock absorber 12 lower end is hinged with the lower support of shock absorber 13 be arranged on guide arm 3, and lower support of shock absorber 13 is located at the position between lift bridge assembly 7 and front frame 2.Shock absorber upper bracket 11 is welded on front frame 2, and lower support of shock absorber 13 is welded on guide arm 3, and welded structure intensity is good.
Be connected by being located at the connecting cross beam 1 promoted on front side of air bag trailing arm 10 between front frame 2, connecting cross beam 1 is for increasing the structural strength of this airsuspension system.
Lift bridge assembly 7, lower support of shock absorber 13 and guide arm 3 are linked into an integrated entity by guide arm U-bolt 4, are so not only convenient to arrange, and Joint strenght is better.
Air suspension of lift bridge system after this tractor truck, guide arm 3 is as guiding mechanism, guide arm 3 front end is connected with front frame 2 by lining, lift bridge assembly 7 transmits hoisting force by two, left and right guide arm 3, guide arm 3 passes through below lift bridge assembly 7, and lift bridge assembly 7 is connected by guide arm U-bolt 4 with in the middle part of guide arm 3; The all directions power that lift bridge assembly 7 is subject to is delivered on vehicle frame by front frame 2 by guide arm 3.
Two, left and right front frame 2 is connected by the connecting cross beam 1 in the middle of front frame 2 simultaneously, transmits a part of side force.Promote air bag trailing arm 10 to be fixedly connected with vehicle frame side, all the time same position is kept with vehicle frame in vehicle operating, promote when air bag 8 is inflated and improve lifting bracket 9, carry air bag 5 to exit simultaneously, guide arm 3 rotates around the hinge-point be connected with front frame 2, thus realizes the enhanced feature of lift bridge assembly 7.When lifting air bag 8 is exitted, carrying air bag 5 is inflated, and utilizes the weight of lift bridge that lift bridge assembly 7 is landed.
Compared with traditional air suspension of lift bridge, the present invention adopts single lifting air bag 8, and lifting air bag 8 is arranged in lift bridge front midway location, the position between vehicle frame, and carrying air bag 5 is arranged in the rear side of lift bridge, have employed guide arm 3 structure; The advantages such as this structure can make air suspension structure become more simply, and it is few to have number of parts, is convenient to maintenance, convenient processing and manufacture, lightweight, improve the arrangement space of airsuspension system.
Obvious specific implementation of the present invention is not subject to the restrictions described above, as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out, all within protection scope of the present invention.
Claims (10)
1. an air suspension of lift bridge system after tractor truck, comprises lift bridge assembly and promotes air bag, it is characterized in that: described lifting air bag is one, and described lifting air bag being located at described lift bridge assembly dead ahead midway location; The upper end of described lifting air bag is connected with the lifting bracket be fixed on described lift bridge assembly, and lower end and the lifting air bag trailing arm be connected between vehicle frame of described lifting air bag connect.
2. air suspension of lift bridge system after tractor truck as claimed in claim 1, it is characterized in that: described lifting air bag trailing arm two side ends is connected with vehicle frame side, described lifting air bag trailing arm lower end is be supported on the support baseboard on described lifting air bag lower end.
3. air suspension of lift bridge system after tractor truck as claimed in claim 1, it is characterized in that: the front frame that described lifting air bag trailing arm both sides are respectively equipped with guide arm and are connected with described vehicle frame, described guide arm front end and described front frame are flexibly connected, the rear end of described guide arm through below described lift bridge assembly, and is connected with described lift bridge assembly in the middle part of described guide arm.
4. air suspension of lift bridge system after tractor truck as claimed in claim 3, it is characterized in that: also comprise two the carrying air bags being arranged on described lift bridge assembly rear, described carrying air bag upper end is fixedly connected with described vehicle frame by the support be located on carrying air bag, and described carrying air bag lower end is fixedly connected on described guide arm rear end.
5. air suspension of lift bridge system after tractor truck as claimed in claim 3, it is characterized in that: also comprise two shock absorbers, described shock absorber upper end and the shock absorber upper bracket be arranged on described front frame are flexibly connected, described shock absorber lower end and the lower support of shock absorber be arranged on described guide arm are flexibly connected, and described lower support of shock absorber is located at the position between described lift bridge assembly and described front frame.
6. air suspension of lift bridge system after tractor truck as claimed in claim 5, is characterized in that: described shock absorber upper bracket is welded on described front frame, and described lower support of shock absorber is welded on described guide arm.
7. air suspension of lift bridge system after tractor truck as claimed in claim 6, is characterized in that: described guide arm front end by lining and front frame hinged, described lift bridge assembly is connected by guide arm U-bolt with described guide arm.
8. air suspension of lift bridge system after tractor truck as claimed in claim 2, is characterized in that: described lifting bracket is connected to above lift bridge assembly by lift bridge U-bolt.
9. air suspension of lift bridge system after the tractor truck as described in any one of claim 1-8, is characterized in that: be connected by being located at the connecting cross beam promoted on front side of air bag trailing arm between described front frame.
10. air suspension of lift bridge system after tractor truck as claimed in claim 7, is characterized in that: described lift bridge assembly, lower support of shock absorber and described guide arm are linked into an integrated entity by described guide arm U-bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410483585.7A CN104354557A (en) | 2014-09-19 | 2014-09-19 | Rear lifting axle air suspension system for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410483585.7A CN104354557A (en) | 2014-09-19 | 2014-09-19 | Rear lifting axle air suspension system for tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104354557A true CN104354557A (en) | 2015-02-18 |
Family
ID=52521910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410483585.7A Pending CN104354557A (en) | 2014-09-19 | 2014-09-19 | Rear lifting axle air suspension system for tractor |
Country Status (1)
| Country | Link |
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| CN (1) | CN104354557A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571703A (en) * | 2017-09-11 | 2018-01-12 | 上汽依维柯红岩商用车有限公司 | Single swing arm air suspension system of the non-driven support bridge with airbag lift device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070090620A1 (en) * | 2005-10-24 | 2007-04-26 | Kyong-Sup Lee | Rear suspension structure for large vehicles |
| CN202541238U (en) * | 2012-04-20 | 2012-11-21 | 北京柯布克汽车技术有限公司 | Lift bridge air suspension frame with single middle air spring |
| CN103707731A (en) * | 2013-12-30 | 2014-04-09 | 郑州精益达汽车零部件有限公司 | Rear air suspension system used for passenger car |
| CN203651386U (en) * | 2013-12-31 | 2014-06-18 | 陕西重型汽车有限公司 | Rear lifting suspension system |
| CN104015578A (en) * | 2014-05-20 | 2014-09-03 | 湖南易通汽车配件科技发展有限公司 | Air suspension system of multi-axle semi-trailer |
-
2014
- 2014-09-19 CN CN201410483585.7A patent/CN104354557A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070090620A1 (en) * | 2005-10-24 | 2007-04-26 | Kyong-Sup Lee | Rear suspension structure for large vehicles |
| CN202541238U (en) * | 2012-04-20 | 2012-11-21 | 北京柯布克汽车技术有限公司 | Lift bridge air suspension frame with single middle air spring |
| CN103707731A (en) * | 2013-12-30 | 2014-04-09 | 郑州精益达汽车零部件有限公司 | Rear air suspension system used for passenger car |
| CN203651386U (en) * | 2013-12-31 | 2014-06-18 | 陕西重型汽车有限公司 | Rear lifting suspension system |
| CN104015578A (en) * | 2014-05-20 | 2014-09-03 | 湖南易通汽车配件科技发展有限公司 | Air suspension system of multi-axle semi-trailer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571703A (en) * | 2017-09-11 | 2018-01-12 | 上汽依维柯红岩商用车有限公司 | Single swing arm air suspension system of the non-driven support bridge with airbag lift device |
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Application publication date: 20150218 |
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