CN115432068A - Light-weight ultra-low-position four-airbag air suspension system - Google Patents
Light-weight ultra-low-position four-airbag air suspension system Download PDFInfo
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- CN115432068A CN115432068A CN202211213180.2A CN202211213180A CN115432068A CN 115432068 A CN115432068 A CN 115432068A CN 202211213180 A CN202211213180 A CN 202211213180A CN 115432068 A CN115432068 A CN 115432068A
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- 239000000725 suspension Substances 0.000 title claims abstract description 47
- 239000006096 absorbing agent Substances 0.000 claims abstract description 17
- 230000035939 shock Effects 0.000 claims abstract description 17
- 239000003381 stabilizer Substances 0.000 claims description 29
- 230000009467 reduction Effects 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000009191 jumping Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Classifications
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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
- B62D21/09—Means for mounting load bearing surfaces
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- 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
- 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
-
- 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 discloses a light-weight ultralow-position four-airbag air suspension system which comprises an air suspension, wherein the air suspension is connected with a vehicle frame and a vehicle axle; the frame comprises a longitudinal beam, a tubular beam, a large bracket and an axle upper pressure plate; the air suspension comprises a shock absorber assembly, an air bag assembly, a stabilizing rod assembly, an upper thrust rod assembly, a lower thrust rod and an equalizing beam body assembly; the balance beam comprises a longitudinal beam body assembly, and is characterized in that special-shaped grooves are formed in the lower portion of the longitudinal beam, the outer side of the longitudinal beam is connected with an axle upper pressure plate, the large support is a short connecting arm special-shaped support, the balance beam body assembly is arranged below the outer side of the longitudinal beam, and the upper thrust rods are two groups of non-parallel I-shaped thrust rods. The invention effectively reduces the height of the suspension by arranging the components such as the large support, the equalizing beam, the shock absorber, the air bag, the thrust rod, the push-up support and the like, further reduces the height of the saddle of the tractor, and simultaneously improves the ground clearance of the lower thrust rod and obviously improves the vehicle trafficability characteristic by reducing the height of the connecting point of the large support, the equalizing beam and the thrust rod.
Description
Technical Field
The invention relates to the technical field of automobile air suspensions, in particular to a light-weight ultralow-position four-airbag air suspension system.
Background
Because the country is to the increase of overload, the vehicle dynamics of administering of transfiniting to and express delivery commodity circulation and pull the current situation that the goods is mostly light throwing goods, the road transportation industry has had higher requirement to vehicle dead weight, box volume. On the premise of meeting the height limit, the method for reducing the height of the chassis is the simplest and most effective method for increasing the volume of the container. At present, the height of a chassis is limited by the height of a suspension, the height of a joint surface of a saddle of a common tractor is mainly 1.2-1.3m, the requirement of increasing the capacity of the current truck is difficult to meet, and the trafficability of an automobile for reducing the height of the suspension is limited.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a light-weight ultra-low four-airbag air suspension system. The invention realizes the effect of improving the trafficability characteristic of the automobile while reducing the saddle of the tractor.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a light-weight ultra-low four-airbag air suspension system comprises an air suspension, wherein the air suspension is connected with a vehicle frame and a vehicle axle;
the frame comprises a longitudinal beam, one side of the longitudinal beam is connected with a tubular beam, and the other side of the longitudinal beam is connected with a large bracket and an axle upper pressure plate;
the air suspension comprises a shock absorber assembly, an air bag assembly, a stabilizing rod assembly, an upper thrust rod assembly, a lower thrust rod and an equalizing beam body assembly;
the number of the longitudinal beams, the large support, the shock absorber assembly, the air bag assembly, the upper thrust rod assembly, the lower thrust rod assembly, the balance beam body and the wheels is two, and the longitudinal central plane of the frame is symmetrical left and right;
the utility model discloses a walking beam, including longeron, big support, equalizing beam body subassembly, bumper shock absorber subassembly, gasbag subassembly, stabilizer bar subassembly, lower thrust bar, upper portion of equalizing beam body subassembly is connected with the axle, the both ends of axle are provided with the wheel, the both ends of going up the thrust bar subassembly are connected with frame, axle respectively, go up the thrust bar subassembly and include thrust bar support, last thrust bar, it is two sets of I type thrust bars that go up the thrust bar for nonparallel.
According to a preferred technical scheme of the invention, one side of the longitudinal beam close to the large support is provided with a damper support, an air bag support I, an air bag support II, a stabilizer bar and boom support and an upper thrust rod support, the lower end of the large support is connected with a first end of a lower thrust rod, a second end of the lower thrust rod is connected with an equalizing beam body through a lower thrust rod connecting hole, the equalizing beam body is positioned below the outer side of the longitudinal beam, the lower part of the equalizing beam body is provided with a rubber bushing, the stabilizer bar penetrates through the rubber bushing and is connected with the stabilizer bar and boom, the equalizing beam body is connected with the stabilizer bar through the stabilizer bar and boom support, the upper part of the equalizing beam body is provided with a damper connecting hole, the equalizing beam body is connected with a damper assembly through the damper connecting hole, the damper assembly is fixed on a vehicle frame through the damper support, the equalizing beam body is provided with a circular groove, the circular groove is connected with an end cover, the air bag support I and the air bag support II are respectively arranged on two sides of the speed reducer support, the lower part of the air bag support is connected with an air bag support I and the air bag support through an air bag support connecting hole, the upper thrust rod is respectively connected with the second end of the air bag support, and is connected with the second end of the air bag support through an air bag support, and is connected with the upper thrust rod support, and is connected with the second end of the air bag support.
As a preferred technical scheme of the invention, the equalizing beam body is in a W-shaped variable cross-section beam, and the center distance of the equalizing beam body is 1030mm.
As a preferable technical scheme of the invention, the stabilizer bar is of a hollow structure.
As a preferred technical scheme of the invention, the special-shaped groove is of a trapezoidal structure, and the distance between the groove bottom and the lower wing of the frame longitudinal beam is 80mm.
As a preferable technical scheme of the invention, the wheel is a small aspect ratio tire with the specification of 295/60R22.5.
As a preferable technical scheme of the invention, the distance between the mounting points of the large bracket and the lower thrust rod and the lower wing surface of the frame longitudinal beam is 330mm.
As a preferred technical scheme of the invention, the large support and the equalizing beam body both adopt casting processes.
As a preferable technical scheme of the invention, the large support is a variable cross-section structure with a hollow middle part, is a special-shaped support and comprises two upper arms and one lower arm, and a space is reserved between the two upper arms.
The invention has the beneficial effects that:
1. the invention effectively reduces the height of the suspension by arranging the components such as the large support, the equalizing beam, the shock absorber, the air bag, the thrust rod, the push-up support and the like, further reduces the height of the tractor saddle, reduces the ground clearance of a saddle joint surface to be within 1m, arranges the axle upper pressure plate outside the frame by increasing the center distance of the equalizing beam, can avoid the interference with the frame in the process of jumping up the axle, obviously improves the jumping stroke of the axle, and simultaneously improves the ground clearance of the lower thrust rod by reducing the height of the connecting points of the large support, the equalizing beam and the thrust rod, and obviously improves the vehicle trafficability.
2. According to the invention, the center distance of the equalizing beam is increased, so that the upper pressure plate of the axle is fixed outside the frame, the height of the suspension is reduced, the jumping stroke of the axle is more than 65mm, the jumping stroke is improved by more than 20mm compared with that of the conventional low-position air suspension, the problem of small jumping stroke of the existing low-position air suspension axle is effectively solved, and the comfort of the vehicle can be improved to a great extent.
3, the invention effectively reduces the height of the automobile chassis by reducing the height of the suspension, improves the container volume of the automobile and improves the economic benefit.
4. The key parts, such as the equalizing beam, the large support and the like, in the invention are all cast in a casting process, and adopt a variable cross-section structure, so that the strength of the parts is met and the lightweight design is carried out at the same time.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of the air suspension of the present invention;
FIG. 3 is a schematic view of the air suspension of the present invention;
FIG. 4 is a schematic top view of an embodiment of the present invention;
FIG. 5 is a schematic view of the construction of a large stent according to the present invention;
FIG. 6 is a schematic structural view of a stringer according to the present invention;
FIG. 7 is a schematic structural view of an equalizing beam according to the present invention;
fig. 8 is a schematic structural view of the equalizing beam, the end cover and the rubber bushing in the invention.
In the figure: 1. a frame; 11. a stringer; 12. a tubular beam; 13. a large support; 14. an axle upper pressure plate; 2. An air suspension; 21. a damper assembly; 211. a shock absorber support; 212. a damper assembly; 22. an airbag module; 221. a first air bag bracket; 222. a second air bag bracket; 223. a first air bag; 224. a second air bag; 23. a stabilizer bar assembly; 231. a stabilizer bar; 232. a stabilizer bar boom; 233. a stabilizer bar boom support; 24. an upper thrust rod assembly; 241. an upper thrust rod; 242. an upper thrust rod support; 25. a lower thrust rod; 26. a equalizer beam assembly; 261. a equalizing beam body; 262. a damper attachment hole; 263. an airbag connecting hole; 264. a lower thrust rod connecting hole; 265. a circular groove; 266. a rubber bushing; 267. an end cap; 3. an axle; 4. and (7) wheels.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present invention, 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.
As shown in fig. 1 to 8, the present invention provides the following technical solutions:
a light-weight ultra-low-position four-airbag air suspension system comprises an air suspension 2, wherein the air suspension 2 is connected with a vehicle frame 1 and a vehicle axle 3;
the frame 1 comprises a longitudinal beam 11, one side of the longitudinal beam 11 is connected with a tubular beam 12, and the other side of the longitudinal beam 11 is connected with a large bracket 13 and an axle upper pressure plate 14;
the air suspension 2 comprises a shock absorber assembly 21, an air bag assembly 22, a stabilizer bar assembly 23, an upper thrust rod assembly 24, a lower thrust rod 25 and an equalizing beam assembly 26;
the number of the longitudinal beams 11, the large bracket 13, the shock absorber component 21, the air bag component 22, the upper thrust rod component 24, the lower thrust rod 25, the equalizing beam body 261 and the wheels 4 is two, and the longitudinal central plane of the frame 1 is symmetrical left and right;
the lower portion of the longitudinal beam 11 is provided with a profiled groove, the large support 13 is a short connecting arm support, the equalizing beam assembly 26 is arranged below the outer side of the longitudinal beam 11, the shock absorber assembly 21, the air bag assembly 22, the stabilizer bar assembly 23 and the lower thrust rod 25 are connected with the frame 1 and the equalizing beam assembly 26 respectively at two ends, the axle 3 is connected to the upper portion of the equalizing beam assembly 26, the wheels 4 are arranged at two ends of the axle 3, two ends of the upper thrust rod assembly 24 are connected with the frame 1 and the axle 3 respectively, the upper thrust rod assembly 24 comprises an upper thrust rod support 242 and an upper thrust rod 241, and the upper thrust rod 241 is two groups of non-parallel I-shaped thrust rods. Longeron 11 sets up to the profiled groove, the height of axle 3 with the lower airfoil of corresponding frame 1 has been increased, satisfy axle 3 reasonable jump stroke, avoid taking place to interfere with frame 1 in the axle 3 motion process, axle top board 14 sets up in longeron 11 outside, the problem that present low-order air suspension axle 3 jump stroke is little has effectively been solved, vehicle comfort has been improved, frame 1 is connected with axle 3 through air suspension 2, the upper portion of equalizing beam subassembly 26 is connected axle 3 and is effectively reduced air suspension 2 height, traditional V type distance rod centre of sphere position is high, the distance rod is big with frame 1 contained angle in the jump process on frame 1, easily cause the distance rod to damage, two sets of I type distance rods that are not parallel can effectively reduce the height of upper distance rod 241, guarantee that the axle 3 jump process distance rod contained angle is less, improve the distance rod life-span, short connecting arm big support 13 has improved the liftoff clearance of lower distance rod 25 and has improved vehicle trafficability.
In this embodiment, a side of the longitudinal beam 11 close to the large bracket 13 is provided with a shock absorber bracket 211, a first air bag bracket 221, a second air bag bracket 222, a stabilizer bar boom bracket 233, and an upper thrust rod support 242, a lower end of the large bracket 13 is connected with a first end of the lower thrust rod 25, a second end of the lower thrust rod 25 is connected with the equalizer beam body 261 through a lower thrust rod connection hole 264, the equalizer beam body 261 is located below the outer side of the longitudinal beam 11, a rubber bushing 266 is arranged at the lower part of the equalizer beam body 261, the stabilizer bar 231 passes through the rubber bushing 266 and is connected with the stabilizer bar boom 232, the equalizer beam body 261 is connected with the stabilizer bar 231 through the rubber bushing 266, the stabilizer bar boom 232 is connected with the frame 1 through the stabilizer bar boom bracket 233, the upper part of the equalizer beam body 261 is provided with a shock absorber connection hole 262, the balance beam body 261 is connected with a damper assembly 212 through a damper connecting hole 262, the damper assembly 212 is fixed on the vehicle frame 1 through a damper support 211, a circular groove 265 is formed in the balance beam body 261, the circular groove 265 is connected with an end cover 267, a first airbag support 221 and a second airbag support 222 are respectively arranged on two sides of the reducer support, a first airbag 223 is connected to the lower portion of the first airbag support 221, a second airbag 224 is connected to the lower portion of the second airbag support 222, airbag connecting holes 263 are respectively formed in two ends of the balance beam body 261, the lower ends of the first airbag 223 and the second airbag 224 are respectively connected with the balance beam body 261 through the airbag connecting holes 263, a first end of an upper thrust rod 241 is connected with the tubular beam 12 of the vehicle frame 1, a second end of the upper thrust rod support 242 is connected with the upper thrust rod support 242, and the upper thrust rod support 242 is arranged on the vehicle axle 3. The bumper shock absorber absorbs the impact of road to the vehicle, plays absorbing effect, and when the suspension height was raised, the bumper shock absorber played spacing effect simultaneously, made the suspension change at reasonable height, and equalizer beam body 261 plays the bearing effect, and it is too big to heel when stabilizer bar 231 avoided the vehicle to turn, and two sets of gasbag one 223, two 224 of gasbag realize the rising and the reduction of suspension height through filling and discharging the gas.
In this embodiment, the equalizing beam body 261 is a W-shaped variable cross-section beam, and the center distance of the equalizing beam body 261 is 1030mm. The weight of the equalizing beam body 261 is reduced through optimizing the wall thickness of the equalizing beam body 261 to meet the requirement of light weight, and the center distance of the equalizing beam body 261 is increased to ensure that the axle upper pressure plate 14 is arranged outside the frame 1, so that the interference of the axle 3 and the frame 1 is avoided, the axle 3 up-jumping stroke is increased, and the axle up-jumping is larger than 65mm.
In this embodiment, the stabilizer bar 231 has a hollow structure. The requirement of lightweight is satisfied, and ground clearance is big simultaneously, and the vehicle increases from the angle, and trafficability characteristic improves.
In this embodiment, the special-shaped groove has a trapezoidal structure, and the distance between the groove bottom and the lower wing of the longitudinal beam 11 of the frame 1 is 80mm. The interference between the axle 3 and the frame 1 in the jumping process is avoided.
In the embodiment, the wheel 4 adopts a small aspect ratio tire with the specification of 295/60R22.5. A295/60R22.5-specification tire is selected, the diameter of the tire is 926mm, and the ground clearance of the saddle joint surface is reduced to be within 1 m.
In this embodiment, the mounting point of the large bracket 13 and the lower thrust rod 25 is 330mm from the lower wing surface of the side rail 11 of the frame 1. The length of the large bracket 13 is shortened to avoid reducing the minimum ground clearance of the suspension system parts to influence the vehicle trafficability, so that the minimum ground clearance of the suspension system parts is still larger than 150mm when the tires with small aspect ratios are matched.
In this embodiment, the large support 13 and the equalizing beam body 261 both adopt casting processes. The manufacturing cost is low, the process flexibility is high, and the production and the manufacturing of large-scale complex structural components are convenient to realize.
In this embodiment, the large support 13 is a variable cross-section structure with a hollow middle part, the large support 13 is a special-shaped support, and comprises two upper arms and a lower arm, and a space is reserved between the two upper arms. The lightweight design is realized while the strength of the part is satisfied.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of describing the present invention but do not require that the present invention be necessarily constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" in the present invention should be interpreted broadly, and may be connected or disconnected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific cases by those skilled in the art.
The foregoing is a description of the preferred embodiments of the present invention, and the detailed description is given for the sole purpose of understanding the concepts of the present invention. It will be appreciated by those skilled in the art that various modifications and equivalents may be made in accordance with the principles of the invention and are considered to be within the scope of the invention.
Claims (9)
1. A light-weight ultra-low-position four-airbag air suspension system comprises an air suspension (2), wherein the air suspension (2) is connected with a vehicle frame (1) and a vehicle axle (3);
the frame (1) comprises a longitudinal beam (11), one side of the longitudinal beam (11) is connected with a tubular beam (12), and the other side of the longitudinal beam (11) is connected with a large bracket (13) and an axle upper pressure plate (14);
the air suspension (2) comprises a shock absorber assembly (21), an air bag assembly (22), a stabilizer bar assembly (23), an upper thrust rod assembly (24), a lower thrust rod (25) assembly and an equalizing beam assembly (26);
the number of the longitudinal beams (11), the large support (13), the shock absorber assembly (21), the air bag assembly (22), the upper thrust rod assembly (24), the lower thrust rod (25), the equalizing beam body (261) and the wheels (4) is two, and the longitudinal central plane of the frame (1) is in bilateral symmetry;
the automobile suspension device is characterized in that special-shaped grooves are formed in the lower portion of the longitudinal beam (11), the large support (13) is a short connecting arm support, the equalizing beam assembly (26) is arranged below the outer side of the longitudinal beam (11), the two ends of the shock absorber assembly (21), the air bag assembly (22), the stabilizer bar assembly (23) and the lower thrust rod (25) are connected with the frame (1) and the equalizing beam assembly (26) respectively, the upper portion of the equalizing beam assembly (26) is connected with the axle (3), the two ends of the axle (3) are provided with the wheels (4), the two ends of the upper thrust rod assembly (24) are connected with the frame (1) and the axle (3) respectively, the upper thrust rod assembly (24) comprises an upper thrust rod support (242) and an upper thrust rod (241), and the upper thrust rod (241) is two groups of non-parallel I-shaped thrust rods.
2. The system of claim 1, wherein a damper bracket (211), a first airbag bracket (221), a second airbag bracket (222), a stabilizer bar boom bracket (233) and an upper thrust bar support (242) are disposed on one side of the longitudinal beam (11) close to the large bracket (13), the lower end of the large bracket (13) is connected to the first end of the lower thrust bar (25), the second end of the lower thrust bar (25) is connected to the equalizer beam body (261) through the lower thrust bar connection hole (264), the equalizer beam body (261) is located below the outer side of the longitudinal beam (11), a rubber bushing (266) is disposed on the lower portion of the equalizer beam body (261), the stabilizer bar (231) passes through the rubber bushing (266) and is connected to the stabilizer bar boom (232), the equalizer beam body (261) is connected to the stabilizer bar (231) through the rubber bushing (266), the equalizer beam body (232) is connected to the frame (1) through the boom bracket (233), a damper assembly (262) is disposed on the upper portion of the equalizer beam body (261), the equalizer beam body (261) is connected to the stabilizer bar assembly (212), and the damper assembly (212) is fixed to the frame assembly (212), be provided with circular slot (265) on equalizing beam body (261), circular slot (265) are connected with end cover (267), gasbag support one (221) and gasbag support two (222) set up respectively in reduction gear support both sides, gasbag support one (221) sub-unit connection has gasbag one (223), gasbag support two (222) sub-unit connection has gasbag two (224), equalizing beam body (261) both ends all are provided with gasbag connecting hole (263), the lower extreme of gasbag one (223) and gasbag two (224) is connected with equalizing beam body (261) through gasbag connecting hole (263) respectively, go up thrust bar (223) first end and be connected with frame (1) tubular beams (12), the second end is connected with last thrust bar support (242), it sets up on axle (3) to go up thrust bar support (242).
3. A light weight ultra low head four air bag air suspension system as claimed in claim 2 wherein said equalizer beam body (261) is in the shape of a W-shaped variable cross section beam, said equalizer beam body (261) being spaced 1030mm apart on center.
4. A light-weight ultra-low four-air bag air suspension system as claimed in claim 2, wherein said stabilizer bar (231) is a hollow structure.
5. A light weight ultra low position four air bag air suspension system as claimed in claim 3, wherein the profiled groove is trapezoidal in configuration, and the distance between the groove bottom and the lower wing of the longitudinal beam (11) of the frame (1) is 80mm.
6. A light weight ultra low profile four air bag air suspension system as claimed in claim 1 wherein said wheel (4) is selected from a 295/60r22.5 gauge low aspect ratio tire.
7. The system of claim 5, wherein the mounting point of the large bracket (13) and the lower thrust rod (25) is 330mm from the lower wing surface of the longitudinal beam (11) of the frame (1).
8. A light weight ultra low head four air bag air suspension system as claimed in claim 7 wherein said large bracket (13) and equalizer beam body (261) are both cast.
9. The light-weight ultra-low-position four-airbag air suspension system as claimed in claim 8, wherein the large support (13) is of a variable cross-section structure with a hollow middle part, and the large support (13) is a special-shaped support and comprises two upper arms and one lower arm, and a space is reserved between the two upper arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211213180.2A CN115432068B (en) | 2022-09-30 | 2022-09-30 | Lightweight ultralow-position four-airbag air suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211213180.2A CN115432068B (en) | 2022-09-30 | 2022-09-30 | Lightweight ultralow-position four-airbag air suspension system |
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| CN115432068A true CN115432068A (en) | 2022-12-06 |
| CN115432068B CN115432068B (en) | 2024-04-12 |
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| CN115432068B (en) | 2024-04-12 |
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