CN115432068B - Lightweight ultralow-position four-airbag air suspension system - Google Patents
Lightweight ultralow-position four-airbag air suspension system Download PDFInfo
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- CN115432068B CN115432068B CN202211213180.2A CN202211213180A CN115432068B CN 115432068 B CN115432068 B CN 115432068B CN 202211213180 A CN202211213180 A CN 202211213180A CN 115432068 B CN115432068 B CN 115432068B
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- 239000000725 suspension Substances 0.000 title claims abstract description 44
- 239000003381 stabilizer Substances 0.000 claims abstract description 33
- 239000006096 absorbing agent Substances 0.000 claims abstract description 32
- 230000035939 shock Effects 0.000 claims abstract description 32
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 claims 1
- 230000009191 jumping Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
Landscapes
- 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 lightweight ultralow-position four-airbag air suspension system, which comprises an air suspension, wherein the air suspension is connected with a frame and an axle; the frame comprises a longitudinal beam, a tubular beam, a large bracket and an axle upper pressing plate; the air suspension comprises a shock absorber component, an air bag component, a stabilizer bar component, an upper thrust bar component, a lower thrust bar and an equalizing beam body component; the lower part of the longitudinal beam is provided with a special-shaped groove, the outer side of the longitudinal beam is connected with an upper pressing plate of an axle, the large bracket is a short connecting arm special-shaped bracket, 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 bracket, the balance beam, the shock absorber, the air bag, the thrust rod, the push-up support and the like, thereby reducing the saddle height of the tractor, and simultaneously improves the ground clearance of the lower thrust rod by reducing the height of the connection point between the large bracket and the balance beam and the thrust rod, thereby obviously improving the trafficability of the vehicle.
Description
Technical Field
The invention relates to the technical field of automobile air suspensions, in particular to a lightweight ultralow-position four-airbag air suspension system.
Background
Because the country has increased to overload, overrun vehicle treatment dynamics to and express delivery commodity circulation draws the goods to be mostly the current situation of light throwing goods, road transportation has had higher requirement to vehicle dead weight, box volume. On the premise of meeting the limit height, the reduction of the chassis height becomes the simplest and effective method for increasing the size of the container. At present, the height of the chassis is limited by the height of the suspension, the height of the joint surface of the saddle of the common tractor is mainly 1.2-1.3m, the requirement of the capacity increase of the conventional truck is difficult to meet, but the reduction of the vehicle passing performance of the suspension is limited.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a lightweight ultralow-position four-air-bag air suspension system. The invention realizes the effect of improving the passing performance of the automobile while reducing the saddle of the tractor.
The technical scheme adopted for solving the technical problems is as follows:
a lightweight ultra-low four-airbag air suspension system comprises an air suspension, wherein the air suspension is connected with a frame and an axle;
the frame comprises a longitudinal beam, one side of the longitudinal beam is connected with a pipe beam, and the other side of the longitudinal beam is connected with a large bracket and an axle upper pressing plate;
the air suspension comprises a shock absorber component, an air bag component, a stabilizer bar component, an upper thrust bar component, a lower thrust bar and an equalizing beam body component;
the number of the longitudinal beams, the large support, the shock absorber component, the air bag component, the upper thrust rod component, the lower thrust rod, the balance beam body and the wheels is two, and the longitudinal center plane of the frame is bilaterally symmetrical;
the utility model discloses a girder, including girder, stabilizer bar, shock absorber subassembly, upper bracket, stabilizer bar subassembly, balanced roof beam body subassembly, big support is the short linking arm support, balanced roof beam body subassembly sets up the below in the girder outside, shock absorber subassembly, gasbag subassembly, stabilizer bar subassembly, the both ends of lower thrust rod are connected with frame, balanced roof beam body subassembly respectively, the upper portion of balanced roof 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 rod subassembly are connected with frame, axle respectively, go up the thrust rod subassembly and include thrust rod support, go up the thrust rod and be two sets of I type thrust rods of non-parallel.
As a preferable technical scheme of the invention, one side of the longitudinal beam, which is close to a large support, is provided with a shock absorber support, an air bag support I, an air bag support II, a stabilizer bar suspender support and an upper thrust rod support, the lower end of the large support is connected with the first end of a lower thrust rod, the 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 passes through the rubber bushing and is connected with the stabilizer bar suspender, the equalizing beam body is connected with a stabilizer bar through the stabilizer bar suspender support, the upper part of the equalizing beam body is provided with a shock absorber connecting hole, the equalizing beam body is connected with a shock absorber assembly through the shock absorber connecting hole, the equalizing beam body is provided with a round groove, the round 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 outer side of the longitudinal beam, the lower support is connected with the air bag support II, the air bag is connected with the two ends of the air bag support II through the air bag support, and the air bag support is respectively connected with the two ends of the air bag support.
As a preferable technical scheme of the invention, the shape of the equalizing beam body is 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 preferable technical scheme of the invention, the special-shaped groove is of a trapezoid 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 small flat ratio tire with 295/60R22.5 specification is selected as the wheel.
As a preferable technical scheme of the invention, the mounting point of the large bracket and the lower thrust rod is 330mm away from the lower wing surface of the frame longitudinal beam.
As a preferable technical scheme of the invention, the large bracket and the balanced beam body are both cast.
As a preferable technical scheme of the invention, the large bracket is of a variable cross-section structure with a hollowed-out middle part, is of a special-shaped bracket and comprises two upper arms and one lower arm, and a space is reserved between the upper arms.
The beneficial effects of the invention are as follows:
1. the invention effectively reduces the height of the suspension frame by arranging the components such as the large bracket, the balance 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, reduces the ground clearance of the saddle joint surface to be within 1m, and obviously improves the vehicle trafficability by increasing the center distance of the balance beam, arranging the upper pressing plate of the vehicle axle outside the vehicle frame, avoiding interference with the vehicle frame in the process of jumping on the vehicle axle, obviously improving the jumping stroke of the vehicle axle and simultaneously improving the ground clearance of the lower thrust rod by reducing the heights of the connection points of the large bracket and the balance beam and the thrust rod.
2. According to the invention, the center distance of the equalizing beam is increased, so that the upper pressing plate of the vehicle axle is fixed outside the vehicle frame, the suspension height is reduced, the upward jumping travel of the vehicle axle is more than 65mm, and the upward jumping travel of the vehicle axle is improved by more than 20mm compared with that of the conventional low-level air suspension, the problem of small upward jumping travel of the vehicle axle of the conventional low-level air suspension is effectively solved, and the vehicle comfort can be improved to a great extent.
The invention reduces the height of the suspension frame, effectively reduces the height of the chassis of the automobile, improves the capacity of a container of the vehicle and improves the economic benefit.
4. The key parts, the equalizing beam, the large bracket and the like in the invention all adopt casting technology, adopt variable cross-section structure, and realize light weight design while meeting the strength of the parts.
Drawings
FIG. 1 is a schematic 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 structure of the large bracket of the present invention;
FIG. 6 is a schematic view of the structure of the stringers of the present invention;
FIG. 7 is a schematic view of the structure of the equalizing beam according to the present invention;
fig. 8 is a schematic structural view of the equalizer beam mated with the end cap and rubber bushing of the present invention.
In the figure: 1. a frame; 11. a longitudinal beam; 12. a tubular beam; 13. a large bracket; 14. an axle upper platen; 2. An air suspension; 21. a shock absorber assembly; 211. a shock absorber bracket; 212. a shock absorber assembly; 22. an airbag module; 221. an air bag bracket I; 222. an air bag bracket II; 223. an air bag I; 224. an air bag II; 23. a stabilizer bar assembly; 231. a stabilizer bar; 232. a stabilizer bar boom; 233. a stabilizer bar boom bracket; 24. an upper thrust rod assembly; 241. an upper thrust rod; 242. an upper thrust rod support; 25. a lower thrust rod; 26. equalizing the beam assembly; 261. a balance beam body; 262. a damper connecting hole; 263. an air bag 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 (3) a wheel.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1-8, the present invention provides the following technical solutions:
a lightweight ultra-low four-airbag air suspension system comprises an air suspension 2, wherein the air suspension 2 is connected with a frame 1 and an axle 3;
the frame 1 comprises a longitudinal beam 11, one side of the longitudinal beam 11 is connected with a pipe beam 12, and the other side of the longitudinal beam 11 is connected with a large bracket 13 and an axle upper pressing 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 bar assembly 24, a lower thrust bar 25 and an equalizing beam assembly 26;
the number of the longitudinal beams 11, the large brackets 13, the shock absorber assemblies 21, the air bag assemblies 22, the upper thrust rod assemblies 24, the lower thrust rods 25, the balance beam bodies 261 and the wheels 4 is two, and the longitudinal center plane of the frame 1 is bilaterally symmetrical;
the low part of the longitudinal beam 11 is provided with a special-shaped groove, the large bracket 13 is a short connecting arm bracket, the balance beam assembly 26 is arranged below the outer side of the longitudinal beam 11, two ends of the shock absorber assembly 21, the air bag assembly 22, the stabilizer bar assembly 23 and the lower thrust bar 25 are respectively connected with the frame 1 and the balance beam assembly 26, the upper part of the balance beam assembly 26 is connected with an axle 3, two ends of the axle 3 are provided with wheels 4, two ends of the upper thrust bar assembly 24 are respectively connected with the frame 1 and the axle 3, the upper thrust bar assembly 24 comprises an upper thrust bar support 242 and an upper thrust bar 241, and the upper thrust bar 241 is two groups of non-parallel I-shaped thrust bars. The longeron 11 sets up to the abnormal shape groove, the height of axle 3 and corresponding frame 1 lower wing face has been increased, satisfy the reasonable upward trip of axle 3, avoid axle 3 in-process to take place to interfere with frame 1, axle top board 14 sets up in the longeron 11 outside, the problem that current low level air suspension axle 3 upward trip is little has effectively been solved, the vehicle travelling comfort has been improved, frame 1 passes through air suspension 2 and is connected with axle 3, the axle 3 is effectively reduced to the upper portion connection axle 3 of balanced beam assembly 26, traditional V type distance rod spherical center position is high, the distance in the distance of jumping on frame 1 is big with frame 1 contained angle, easily cause the distance rod to damage, two sets of non-parallel I type distance rods can effectively reduce upward distance rod 241 height, guarantee that the distance rod contained angle in-process of jumping on axle 3 is less, improve the distance rod life-span, short link arm big support 13 has improved the ground clearance of lower distance rod 25 and has improved the vehicle trafficability.
In the embodiment, one side of a longitudinal beam 11, which is close to a large bracket 13, is provided with a damper bracket 211, an airbag bracket I221, an airbag bracket II 222, a stabilizer bar suspender bracket 233 and an upper thrust bar support 242, the lower end of the large bracket 13 is connected with the first end of a lower thrust bar 25, the second end of the lower thrust bar 25 is connected with a balance beam body 261 through a lower thrust bar connecting hole 264, the balance beam body 261 is positioned below the outer side of the longitudinal beam 11, the lower part of the balance beam body 261 is provided with a rubber bushing 266, the stabilizer bar 231 passes through the rubber bushing 266 to be connected with a stabilizer bar suspender 232, the balance beam body 261 is connected with a stabilizer bar 231 through the rubber bushing 266, the stabilizer bar suspender 232 is connected with a frame 1 through the stabilizer bar suspender bracket 233, the upper part of the balance beam body 261 is provided with a damper connecting hole 262, the balance beam body 261 is connected with the shock absorber assembly 212 through the shock absorber connecting hole 262, the shock absorber assembly 212 is fixed on the frame 1 through the shock absorber bracket 211, the balance beam body 261 is provided with a round groove 265, the round groove 265 is connected with an end cover 267, the first air bag bracket 221 and the second air bag bracket 222 are respectively arranged on two sides of the speed reducer bracket, the lower part of the first air bag bracket 221 is connected with the first air bag 223, the lower part of the second air bag bracket 222 is connected with the second air bag 224, the two ends of the balance beam body 261 are respectively provided with an air bag connecting hole 263, the lower ends of the first air bag 223 and the second air bag 224 are respectively connected with the balance beam body 261 through the air bag connecting hole 263, the first end of the upper thrust rod 241 is connected with the tubular beam 12 of the frame 1, the second end of the upper thrust rod is connected with the upper thrust rod bracket 242, and the upper thrust rod bracket 242 is arranged on the axle 3. The shock absorber absorbs the impact of road to the vehicle, plays the absorbing effect, and when the suspension highly rises, the shock absorber plays spacing effect simultaneously, makes the suspension change at reasonable height, and balanced roof beam body 261 plays the bearing effect, and stabilizer bar 231 avoids the vehicle to roll too greatly when turning, and two sets of gasbag one 223, gasbag two 224 realize the rising and the reduction of suspension height through filling gassing.
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 balance beam body 261 is reduced by optimizing the wall thickness of the balance beam body 261, the light weight requirement is met, the center distance of the balance beam body 261 is increased, the axle upper pressing plate 14 is ensured to be arranged outside the frame 1, the interference between the axle 3 upper jump and the frame 1 is avoided, the axle 3 upper jump stroke is enlarged, and the axle upper jump is more than 65mm.
In this embodiment, the stabilizer bar 231 has a hollow structure. The light-weight requirement is met, the ground clearance is large, the vehicle departure angle is increased, and the trafficability characteristic is improved.
In the embodiment, the special-shaped groove is of a trapezoid structure, and the distance between the groove bottom and the lower wing of the longitudinal beam 11 of the frame 1 is 80mm. Avoiding interference with the vehicle frame 1 during the upward skip of the vehicle axle 3.
In this embodiment, the wheel 4 is a small flat ratio tire of 295/60R22.5 gauge. A tire with 295/60R22.5 specification is selected, the diameter of the tire is 926mm, and the height of the saddle joint surface from the ground is reduced to be within 1 m.
In this embodiment, the mounting points of the large bracket 13 and the lower thrust rod 25 are 330mm from the lower wing surface of the longitudinal beam 11 of the frame 1. The length of the large bracket 13 is shortened to avoid the influence on the vehicle passing performance caused by reducing the minimum ground clearance of the parts of the suspension system, so that the minimum ground clearance of the parts of the suspension system is still more than 150mm when the small flat ratio tire is matched.
In this embodiment, the large bracket 13 and the equalizing beam body 261 are both cast. The manufacturing cost is low, the process flexibility is high, and the production and the manufacturing of large-scale complex structural members are convenient to realize.
In this embodiment, the large bracket 13 is a variable cross-section structure with a hollow middle part, and the large bracket 13 is a special-shaped bracket, including two upper arms and a lower arm, and a space is reserved between the upper arms. The light-weight 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", etc. refer to the orientation or positional relationship based on that shown in the drawings, and are merely for the purpose of describing the present invention and do not require that the present invention must be constructed or operated in a specific orientation, and thus should not be construed as limiting the present invention. "connected" and "connected" in the present invention are to be understood broadly, and may be, for example, connected or detachably connected; the connection may be direct or indirect through intermediate members, and the specific meaning of the terms may be understood in detail by those skilled in the art.
The foregoing has been described in what is considered to be the preferred embodiments of the invention, and the description of specific examples is only intended to provide a better understanding of the principles of the invention. It will be apparent to those skilled in the art that modifications and equivalents may be made in accordance with the principles of the invention, and such modifications and equivalents are considered to fall within the scope of the invention.
Claims (5)
1. The light-weight ultralow-position four-airbag air suspension system comprises an air suspension (2), wherein the air suspension (2) is connected with a frame (1) and an axle (3);
the frame (1) comprises a longitudinal beam (11), one side of the longitudinal beam (11) is connected with a pipe beam (12), and the other side of the longitudinal beam (11) is connected with a large bracket (13) and an axle upper pressing 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 bar assembly (24), a lower thrust bar (25) assembly and a balance beam assembly (26);
the number of the longitudinal beams (11), the large brackets (13), the shock absorber assemblies (21), the air bag assemblies (22), the upper thrust rod assemblies (24), the lower thrust rods (25), the balance beam bodies (261) and the wheels (4) is two, and the longitudinal center plane of the frame (1) is bilaterally symmetrical;
the novel automobile seat is characterized in that a special-shaped groove is formed in the lower portion of the longitudinal beam (11), the large support (13) is a short connecting arm support, the balance beam assembly (26) is arranged below the outer side of the longitudinal beam (11), two ends of the shock absorber assembly (21), the air bag assembly (22), the stabilizer bar assembly (23) and the lower thrust bar (25) assembly are respectively connected with the frame (1) and the balance beam assembly (26), an axle (3) is connected to the upper portion of the balance beam assembly (26), wheels (4) are arranged at the two ends of the axle (3), two ends of the upper thrust bar assembly (24) are respectively connected with the frame (1) and the axle (3), the upper thrust bar assembly (24) comprises an upper thrust bar support (242) and an upper thrust bar (241), and the upper thrust bar (241) is two groups of non-parallel I-shaped thrust bars;
the side beam (11) is close to one side of the big support (13) and is provided with a shock absorber support (211), an airbag support I (221), an airbag support II (222), a stabilizer bar suspender support (233) and an upper thrust bar support (242), the lower end of the big support (13) is connected with the first end of a lower thrust bar (25), the second end of the lower thrust bar (25) is connected with a balance beam body (261) through a lower thrust bar connecting hole (264), the balance beam body (261) is positioned below the outer side of the side beam (11), the lower part of the balance beam body (261) is provided with a rubber bushing (266), the stabilizer bar (231) passes through the rubber bushing (266) and is connected with a stabilizer bar suspender (232), the stabilizer bar suspender (232) is connected with a frame (1) through the stabilizer bar suspender support (233), the upper part of the balance beam body (261) is provided with a shock absorber connecting hole (262), the balance beam body (261) is connected with a shock absorber (212) through the shock absorber connecting hole (262), the shock absorber assembly (212) is fixed on the shock absorber assembly (211), the round groove (265) is connected with an end cover (267), the first air bag support (221) and the second air bag support (222) are respectively arranged at two sides of the speed reducer support, the lower part of the first air bag support (221) is connected with an first air bag (223), the lower part of the second air bag support (222) is connected with a second air bag (224), both ends of the balance beam body (261) are respectively provided with an air bag connecting hole (263), the lower ends of the first air bag (223) and the second air bag (224) are respectively connected with the balance beam body (261) through the air bag connecting holes (263), the first end of the upper thrust rod (241) is connected with a tube beam (12) of the vehicle frame (1), the second end of the upper thrust rod is connected with an upper thrust rod support (242), and the upper thrust rod support (242) is arranged on the vehicle axle (3);
the balance beam body (261) is a W-shaped variable cross-section beam, and the center distance of the balance beam body (261) is 1030mm; the center distance of the balance beam is increased, so that the upper pressing plate of the axle is fixed outside the frame, the upper jump of the axle is avoided from interfering with the frame, the upper jump travel of the axle is more than 65mm while the height of the suspension is reduced, and the comfort of the vehicle is improved;
the special-shaped groove is of a trapezoid structure, and the distance between the special-shaped groove bottom and the lower wing of the longitudinal beam (11) of the frame (1) is 80mm;
the installation point of the large bracket (13) and the lower thrust rod (25) is 330mm away from the lower wing surface of the longitudinal beam (11) of the frame (1).
2. A lightweight ultra low position four air bag air suspension system as defined in claim 1 wherein said stabilizer bar (231) is hollow.
3. A lightweight ultra low position four bladder air suspension system as defined in claim 1 wherein said wheel (4) is a 295/60R22.5 gauge small flat ratio tire.
4. A lightweight ultra low level four air bag air suspension system as claimed in claim 1 wherein said large bracket (13) and equalizer beam body (261) are cast.
5. The lightweight ultra-low four-air-bag air suspension system according to claim 4, wherein the large support (13) is of a variable cross-section structure with a hollowed-out middle part, the large support (13) is of a special-shaped support and comprises two upper arms and one lower arm, and a space is reserved between the 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 |
Publications (2)
| Publication Number | Publication Date |
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| CN115432068A CN115432068A (en) | 2022-12-06 |
| CN115432068B true CN115432068B (en) | 2024-04-12 |
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| CN202211213180.2A Active CN115432068B (en) | 2022-09-30 | 2022-09-30 | Lightweight ultralow-position four-airbag air suspension system |
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| CN115432068A (en) | 2022-12-06 |
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