CN115008961A - Five-airbag lightweight rear-lifting air suspension system - Google Patents
Five-airbag lightweight rear-lifting air suspension system Download PDFInfo
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- CN115008961A CN115008961A CN202210705607.4A CN202210705607A CN115008961A CN 115008961 A CN115008961 A CN 115008961A CN 202210705607 A CN202210705607 A CN 202210705607A CN 115008961 A CN115008961 A CN 115008961A
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- 239000000725 suspension Substances 0.000 title claims abstract description 44
- 230000035939 shock Effects 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 239000006096 absorbing agent Substances 0.000 description 8
- 241001247986 Calotropis procera Species 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009191 jumping Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
- B60G11/34—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs
- B60G11/46—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also fluid springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/04—Buffer means for limiting movement of arms
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- 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
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/11—Leaf spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention provides a five-airbag light-weight rear-lifting air suspension system, which relates to the technical field of automobile suspensions and comprises a guide arm assembly, wherein one end of the guide arm assembly is hinged with a large support, and the large support is arranged on a frame; the other end of the guide arm assembly is provided with a bearing air bag, the bearing air bag is provided with an air bag fixing support, and the air bag fixing support is arranged on the frame; the downside and the upside at guide arm assembly middle part are provided with leaf spring undersetting and leaf spring upper bracket respectively, guide arm assembly and leaf spring undersetting, the leaf spring upper bracket is connected with the lifting bridge through riding on the horse bolt, the lifting bridge is provided with the lifting bridge upper bracket, the lifting bridge upper bracket is connected with the promotion gasbag, promote the gasbag and install middle gasbag support, middle gasbag support is installed on the frame, be connected with the shock attenuation assembly between leaf spring undersetting and the frame. The invention has the advantages of simplifying the structure of the rear lifting air suspension system and reducing the weight of the rear lifting air suspension system.
Description
Technical Field
The invention relates to the technical field of automobile suspensions, in particular to a five-airbag light-weight rear-lifting air suspension system.
Background
In the automobile design process, the quality of the whole automobile often has an important influence on oil consumption, so the light weight is one of the development trends of automobile design at the present stage. According to statistics, the automobile suspension accounts for 12% of the weight of the whole automobile, the automobile body accounts for 20%, and the power assembly accounts for 18%. Since the weight of the chassis has an important influence on the riding comfort and the operating stability of the automobile, the realization of the light weight of the air suspension of the automobile without increasing the cost plays an important role.
In the logistics transportation process of trucks, when the trucks are in full load, because the vehicle load is larger, the double rear axles are required to bear the load, and when the vehicles return without load, because the load is smaller, the oil consumption can be reduced by using the single rear axle to drive. Because the flexible lift of lifting bridge can be realized to back promotion air suspension, it receives more and more customers' favor.
At present, the traditional rear lifting air suspension adopts a nine-air-bag air suspension, and has the problems of multiple parts, single function, low integration level, high cost and the like; in addition, the five-airbag rear lifting air suspension on the market has relatively large mass and complex structure, needs large-mass parts such as a transverse stabilizer bar and an airbag transverse connecting plate, and is easy to generate interference with a transverse thrust bar in the up-and-down jumping process of the suspension, so that the problems of tire eating, poor vehicle stability and the like are caused. Therefore, the method has important significance for realizing light weight and solving the problems of poor vehicle stability and the like by optimizing and adjusting the existing five-airbag rear lifting air suspension structure scheme.
Disclosure of Invention
The invention aims to provide and design a five-airbag lightweight rear lifting air suspension system without a transverse thrust rod and an airbag transverse connecting plate, aiming at the problems of large mass, complex structure and the like of the conventional five-airbag rear lifting air suspension, so that the rear lifting air suspension system has a rear lifting function, the number of parts of the rear lifting air suspension system is reduced, the rear lifting air suspension structure is simplified, the weight of the rear lifting air suspension is reduced, and the vehicle stability is improved.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a five-airbag light-weight rear-lift air suspension system comprises a guide arm assembly, wherein one end of the guide arm assembly is hinged with a large support, and the large support is installed on a frame; the other end of the guide arm assembly is provided with a bearing air bag, the bearing air bag is provided with an air bag fixing support, and the air bag fixing support is arranged on the frame; the downside and the upside at guide arm assembly middle part are provided with leaf spring undersetting and leaf spring upper bracket respectively, guide arm assembly and leaf spring undersetting, leaf spring upper bracket are connected with the lifting bridge through riding on the horse bolt, the lifting bridge is provided with the lifting bridge upper bracket, the lifting bridge upper bracket is connected with the promotion gasbag, promote the gasbag and install middle air bag support, middle air bag support mounting is on the frame, be connected with the shock attenuation assembly between leaf spring undersetting and the frame. Therefore, the guide arm assembly and the large support are connected together to jointly bear the bearing and guiding functions, so that the transverse thrust rod and the air bag transverse connecting plate can be omitted, the structure of the whole rear lifting air suspension system is simplified, and the problems of tire eating, poor vehicle stability and the like caused by transverse impact force generated by the interference of the transverse thrust rod in the up-down jumping process of the rear lifting air suspension system are avoided, so that the driving comfort and the operability are improved.
Furthermore, the guide arm assembly adopts a nonlinear two-piece spring structure, and has the advantages of simple structure and small manufacturing and processing difficulty.
Furthermore, an upper positioning bulge is arranged at the contact position of the middle part of the guide arm assembly and the upper support of the plate spring, and the upper positioning bulge is inserted into the upper support of the plate spring; a lower positioning bulge is arranged at the contact position of the middle part of the guide arm assembly and the lower support of the plate spring, and the lower positioning bulge is inserted into the lower support of the plate spring; the two opposite sides of the lower end of the upper support of the plate spring are provided with threaded connecting holes, the threaded connecting holes are in threaded connection with horizontal positioning bolts, and the end portions of the horizontal positioning bolts are in contact with the guide arm assemblies after penetrating through the threaded connecting holes. Therefore, when the guide arm assembly is installed, the three-point positioning can be formed by the horizontal positioning bolt and the upper positioning bulge integrated on the guide arm assembly, so that the types of parts can be reduced, the assembly process among the plate spring upper support, the guide arm assembly and the plate spring lower support is simplified, and the axle installation precision can be improved.
Furthermore, the both sides that leaf spring upper bracket upper end is relative all are provided with protruding connecting portion, protruding connecting portion contact with the both sides of lifting bridge respectively to increase the area of contact of leaf spring upper bracket and lifting bridge, improve the contact reliability between lifting bridge and the leaf spring upper bracket.
Further, the lower extreme of big support is provided with connecting bolt and opening down, the guiding arm assembly is used for being provided with rubber bush with big support articulated one end, rubber bush is located the opening, all be provided with the end cover between the both ends of rubber bush and the opening lateral wall of big support, connecting bolt passes one side of big support, end cover, rubber bush, end cover and the opposite side back threaded connection nut of big support in proper order, be provided with the split pin between nut and the connecting bolt. In the actual working process, the rubber bushing has the effects of isolating vibration and reducing noise, and the end cover prevents the guide arm assembly from transversely displacing, so that the lateral force generated when the vehicle turns is limited; the nut is prevented from loosening by the cotter pin. In addition, the large bracket and the end cover, and the rubber bushing and the connecting bolt are in clearance fit, so that the assembly difficulty is prevented.
Furthermore, a gap is reserved between the guide arm assembly and the end cover, and the gap is a swinging space of the guide arm assembly.
Furthermore, the lower end of the lifting air bag is connected with the middle air bag bracket through a connecting piece, and the lower end of the lifting air bag is connected with the upper bracket of the lifting bridge. Therefore, when the vehicle is fully loaded, the lifting bridge can be grounded to play a supporting role by deflating the lifting air bag; when the vehicle is unloaded, the lifting air bag can be inflated to lift the lifting bridge, so that the effect of reducing oil consumption is achieved.
Furthermore, middle air bag support stamping workpiece as an organic whole to air bag support's intensity in the middle of improving is convenient for promote the gasbag and goes up and down in a flexible way to the lifting bridge.
Further, still include the stopper assembly, install on the frame the upper end of stopper assembly, the lower extreme of stopper assembly is provided with the bolster, the bolster sets up with the lifting bridge relatively. Therefore, in the working process, the impact of the lifting bridge on the frame can be effectively reduced through the limiting block assembly, and the effects of limiting the lifting limit height of the lifting air bag and protecting the lifting air bag are achieved.
Further, the large support is of a middle hollow structure, and light weight design is carried out while strength of the large support is guaranteed through the hollow structure on the large support.
According to the technical scheme, the invention has the following advantages:
1. the guide arm assembly in the five-airbag light-weight rear-lifting air suspension system provided by the invention adopts a nonlinear two-piece spring structure, and the guide arm assembly realizes the overall modular design of the guide arm, namely, the guide arm assembly integrates a shock absorber support and a positioning bulge, so that the guide arm assembly is conveniently connected with other parts, the types and the number of the parts are effectively reduced, the installation process is simplified, and the layout of each part in the rear-lifting air suspension system is more reasonable;
2. two ends of the guide arm assembly are respectively connected with the large support and the bearing air bag to bear the bearing and guiding functions, so that a transverse thrust rod and an air bag transverse connecting plate can be omitted, the structure of the whole rear lifting air suspension system is simplified, and the problems of tire eating, poor vehicle stability and the like caused by transverse impact force generated by interference of the transverse thrust rod in the up-and-down jumping process of the rear lifting air suspension system are avoided, so that the driving comfort and the operability are improved;
3. the upper support of the plate spring can form three-point positioning with the lower support of the plate spring through the upper positioning bulge and the horizontal positioning bolt, so that the plate spring is convenient to arrange and simple in structure; in addition, the contact area between the upper support of the plate spring and the lower surface of the lifting bridge is enlarged, so that the contact reliability of the guide arm assembly is improved;
4. the cross beam adopts a tubular beam structure and is connected with the frame through bolts, so that the transverse width of the frame is ensured, and the torsional rigidity of the frame is improved;
5. all parts and structures in the suspension bracket meet the strength requirement and simultaneously realize the reduction of the total mass of the suspension bracket.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a first structural schematic diagram of the present invention when mounted on an automobile chassis.
Fig. 2 is a schematic structural diagram two when the present invention is mounted on an automobile chassis.
Fig. 3 is a schematic structural view of the connection between the lifting airbag and the lifting bridge.
FIG. 4 is a first schematic structural view of a connection between the boom assembly and the lift bridge of the present invention.
FIG. 5 is a second schematic structural view of the connecting portion of the guide arm assembly and the lift bridge of the present invention.
FIG. 6 is a first schematic structural view of the joint between the guide arm assembly and the large bracket according to the present invention.
Fig. 7 is a cross-sectional view taken at a-a in fig. 6.
FIG. 8 is a second schematic view of the joint between the guide arm assembly and the large bracket according to the present invention.
In the figure: 1. big support, 2, lifting airbag, 3, middle airbag support, 4, guide arm assembly, 5, plate spring upper support, 6, riding bolt, 7, plate spring lower support, 8, shock absorber assembly, 9, bearing airbag, 10, airbag fixing support, 11, shock absorber support, 12, stopper assembly, 13, frame, 14, lifting bridge, 15, connecting bolt, 16, nut, 17, lifting bridge upper support, 18, threaded connection hole, 19, split pin, 20, lifting bridge support, 21, horizontal positioning bolt, 22, protruding connecting part, 23, upper positioning protrusion, 24, lower positioning protrusion, 25, crossbeam, 26, end cover, 27, rubber bushing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 8, the invention provides a five-airbag lightweight rear-lift air suspension system, which comprises a large bracket 1, a middle airbag bracket 3, a limit block assembly 12, a shock absorber bracket 11 and an airbag fixing bracket 10 which are sequentially arranged on a frame 13 from front to back.
The large support 1 is of a hollow structure in the middle, the large support 1 is arranged on two sides of the frame 13, an opening with a downward opening is formed in the lower end of the large support 1, a guide arm assembly 4 adopting a nonlinear two-piece spring structure is hinged in the opening of the large support 1, and the rear end of the guide arm assembly 4 is connected with a bearing air bag 9 mounted on the air bag fixing support 10. Thus, the guide arm assembly 4 and the large bracket 1 can be connected together to enable the guide arm assembly and the large bracket to jointly bear the functions of bearing and guiding, thereby omitting a transverse thrust rod and an air bag transverse connecting plate, simplifying the structure of the whole rear lifting air suspension system, and simultaneously avoiding the problems of tire eating, poor vehicle stability and the like caused by transverse impact force generated by the interference of the transverse thrust rod in the up-and-down jumping process of the rear lifting air suspension system, thereby improving the driving comfort and the operability.
Specifically, a rubber bushing 27 is in interference fit with the front end of the plate spring of the guide arm assembly 4, the rubber bushing 27 is located in the opening of the large bracket 1, and end covers 26 are arranged between two ends of the rubber bushing 27 and the side wall of the opening of the large bracket 1; the lower end of the large bracket 1 is provided with a connecting bolt 15, the connecting bolt 15 sequentially passes through one side of the large bracket 1, an end cover 26, a rubber bushing 27, the end cover 26 and the rear threaded connecting nut 16 at the other side of the large bracket 1, so that the guide arm assembly 4 in the invention can rotate around the axis of the connecting bolt 15, meanwhile, the invention can play roles of isolating vibration and reducing noise through the rubber bushing 27, and the transverse displacement of the guide arm assembly 4 is prevented through the end cover 26, thereby limiting the lateral force generated when the vehicle turns. In addition, in order to facilitate assembly, clearance fit is adopted between the large bracket 1 and the end cover 26 and between the rubber bushing 27 and the connecting bolt 15; in order to facilitate the swinging of the guide arm assembly 4, a gap is left between the guide arm assembly 4 and the end cover 26, and the gap is used as a swinging space of the guide arm assembly 4, and a cotter pin 19 is further provided between the nut 16 and the connecting bolt 15 in order to prevent the nut 16 from loosening.
The preferred integral type stamping workpiece of middle air bag support 3, moreover middle air bag support 3 sets up the inboard at frame 13, the upper end of middle air bag support 3 is provided with promotes gasbag 2, promote the upper end of gasbag 2 and install lifting bridge upper bracket 17, lifting bridge upper bracket 17 is connected with the middle part of lifting bridge 14. Therefore, when the vehicle is fully loaded, the lifting bridge 14 can be landed by deflating the lifting air bag 2 and plays a supporting role; when the vehicle is unloaded, the lifting air bag 2 can be inflated to lift the lifting bridge 14, and the effect of reducing oil consumption is achieved. In addition, a lifting bridge support 20 is further arranged at a position, opposite to the guide arm assembly 4, on the lifting bridge 14, and the lifting bridge 14 is connected with the guide arm assembly 4 into a whole through the lifting bridge support 20, the riding bolt 6, the leaf spring upper support 5 and the leaf spring lower support 7.
Specifically, the upper plate spring support 5 and the lower plate spring support 7 are respectively disposed at the upper side and the lower side of the guide arm assembly 4, and the two opposite sides of the upper end of the upper plate spring support 5 are respectively provided with protruding connection portions 22, and the protruding connection portions 22 respectively contact with the two sides of the lift bridge 14. The two opposite sides of the lower end of the plate spring upper support 5 are respectively provided with a threaded connecting hole 18, the threaded connecting holes 18 are in threaded connection with a horizontal positioning bolt 21, and the end part of the horizontal positioning bolt 21 penetrates through the threaded connecting holes 18 and then contacts with the guide arm assembly 4, so that the relative position relation of the guide arm assembly 4 and the plate spring upper support 5 in the horizontal direction can be adjusted through the two opposite horizontal positioning bolts 21. In addition, an upper positioning bulge 23 is arranged at the contact position of the middle part of the guide arm assembly 4 and the upper support 5 of the plate spring, and the upper positioning bulge 23 is inserted into the upper support 5 of the plate spring; and a lower positioning bulge 24 is arranged at the contact position of the middle part of the guide arm assembly 4 and the lower plate spring support 7, and the lower positioning bulge 24 is inserted into the lower plate spring support 7. Thus, the invention can form three-point positioning by the two horizontal positioning bolts 21 and the upper positioning bulge 23, and realize the accurate positioning of the guide arm assembly 4 by the three-point positioning structure. In addition, because the upper positioning projection 23 and the lower positioning projection 24 are integrated on the corresponding plate spring in the guide arm assembly 4, the number of parts and the variety of parts are reduced, and the assembly process is simplified.
In addition, the lower extreme of stopper assembly is provided with the bolster, moreover the bolster sets up with lifting bridge 14 is relative to effectively reduce lifting bridge 14 through the bolster and to frame 13's impact. The shock absorber assembly 8 is arranged at the lower end of the shock absorber support 11, and the lower end of the shock absorber assembly 8 is connected with the lower support of the plate spring, so that the guide arm assembly 4 is buffered and damped through the shock absorber assembly 8.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A five-airbag light-weight rear-lift air suspension system is characterized by comprising a guide arm assembly, wherein one end of the guide arm assembly is hinged with a large support, and the large support is arranged on a frame; the other end of the guide arm assembly is provided with a bearing air bag, the bearing air bag is provided with an air bag fixing support, and the air bag fixing support is arranged on the frame; the utility model discloses a lift bridge, including guide arm assembly, leaf spring undersetting and leaf spring upper bracket, the downside at guide arm assembly middle part and upside are provided with leaf spring undersetting and leaf spring upper bracket respectively, guide arm assembly and leaf spring undersetting, leaf spring upper bracket are connected with the lift bridge through riding on the horse bolt, the lift bridge is provided with the lift bridge upper bracket, the lift bridge upper bracket is connected with the promotion gasbag, promote gasbag installation and have middle gasbag support, middle gasbag support mounting is on the frame, be connected with the shock attenuation assembly between leaf spring undersetting and the frame.
2. The five-airbag lightweight rear-lift air suspension system of claim 1, wherein the pilot arm assembly is a non-linear two-leaf spring structure.
3. The five-airbag light-weight rear-lift air suspension system as claimed in claim 2, wherein an upper positioning protrusion is arranged at a contact position of the middle part of the guide arm assembly and the upper support of the plate spring, and the upper positioning protrusion is inserted into the upper support of the plate spring; a lower positioning bulge is arranged at the contact position of the middle part of the guide arm assembly and the lower support of the plate spring, and the lower positioning bulge is inserted into the lower support of the plate spring; the two opposite sides of the lower end of the upper support of the plate spring are provided with threaded connecting holes, the threaded connecting holes are in threaded connection with horizontal positioning bolts, and the end portions of the horizontal positioning bolts are in contact with the guide arm assemblies after penetrating through the threaded connecting holes.
4. The five-airbag light-weight rear-lift air suspension system as recited in claim 3, wherein the leaf spring upper bracket is provided with raised connecting portions on opposite sides of an upper end thereof, the raised connecting portions being in contact with respective sides of the lift bridge.
5. The five-airbag light-weight rear-lift air suspension system as claimed in claim 2, wherein a connecting bolt and an opening with a downward opening are arranged at the lower end of the large support, a rubber bushing is arranged at one end of the guide arm assembly for being hinged to the large support, the rubber bushing is located in the opening, end covers are arranged between the two ends of the rubber bushing and the side wall of the opening of the large support, the connecting bolt sequentially penetrates through one side of the large support, the end cover, the rubber bushing, the end cover and the rear thread of the other side of the large support to be connected with a nut, and a split pin is arranged between the nut and the connecting bolt.
6. The five-airbag lightweight lift-air suspension system of claim 5 wherein a gap is left between the pilot arm assembly and the end cap.
7. The five-airbag lightweight rear lift air suspension system of claim 1, 2, 3, 4, 5 or 6, wherein the lower ends of the lift airbags are connected to the intermediate airbag bracket by a connecting member, and the lower ends of the lift airbags are connected to the upper bracket of the lift bridge.
8. The five-airbag lightweight aft lift air suspension system of claim 7 wherein the intermediate airbag bracket is a one-piece stamping.
9. The five-airbag light-weight rear-lift air suspension system as claimed in claim 1, 2, 3, 4, 5 or 6, further comprising a limiting block assembly, wherein the upper end of the limiting block assembly is mounted on the frame, the lower end of the limiting block assembly is provided with a buffer member, and the buffer member is arranged opposite to the lift bridge.
10. The five-airbag lightweight aft lift air suspension system of claim 1, 2, 3, 4, 5, or 6 wherein the large bracket is a hollow-out structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210705607.4A CN115008961A (en) | 2022-06-21 | 2022-06-21 | Five-airbag lightweight rear-lifting air suspension system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210705607.4A CN115008961A (en) | 2022-06-21 | 2022-06-21 | Five-airbag lightweight rear-lifting air suspension system |
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| CN115008961A true CN115008961A (en) | 2022-09-06 |
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| CN202210705607.4A Pending CN115008961A (en) | 2022-06-21 | 2022-06-21 | Five-airbag lightweight rear-lifting air suspension system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432068A (en) * | 2022-09-30 | 2022-12-06 | 中国重汽集团济南动力有限公司 | Light-weight ultra-low-position four-airbag air suspension system |
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2022
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| CN110901322A (en) * | 2019-12-22 | 2020-03-24 | 上海威曼汽车零部件有限公司 | Light trailer air suspension system with lifting structure |
| CN112937245A (en) * | 2021-01-15 | 2021-06-11 | 东风柳州汽车有限公司 | Automobile air suspension structure and automobile |
| CN214874091U (en) * | 2021-06-22 | 2021-11-26 | 中国重汽集团济南动力有限公司 | Ultra-lightweight rear suspension leaf spring support for heavy-duty car |
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| CN115432068A (en) * | 2022-09-30 | 2022-12-06 | 中国重汽集团济南动力有限公司 | Light-weight ultra-low-position four-airbag air suspension system |
| CN115432068B (en) * | 2022-09-30 | 2024-04-12 | 中国重汽集团济南动力有限公司 | Lightweight ultralow-position four-airbag air suspension system |
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