CN118952924A - An airbag-mounted air independent suspension system - Google Patents
An airbag-mounted air independent suspension system Download PDFInfo
- Publication number
- CN118952924A CN118952924A CN202411109469.9A CN202411109469A CN118952924A CN 118952924 A CN118952924 A CN 118952924A CN 202411109469 A CN202411109469 A CN 202411109469A CN 118952924 A CN118952924 A CN 118952924A
- Authority
- CN
- China
- Prior art keywords
- sides
- arm
- shaped arm
- airbag
- suspension system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 25
- 239000006096 absorbing agent Substances 0.000 claims abstract description 16
- 230000035939 shock Effects 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 235000014121 butter Nutrition 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/20—Links, e.g. track rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/10—Independent suspensions
- B60G2200/14—Independent suspensions with lateral arms
- B60G2200/144—Independent suspensions with lateral arms with two lateral arms forming a parallelogram
-
- 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 an air-bag overhead type air independent suspension system, which comprises two side wheel edge systems, a passive rocker arm, two side shock absorbers, two side air bags, two side support arm assemblies and a transverse stabilizer bar, wherein each side support arm assembly comprises a vertical arm, an upper A-shaped arm and a lower A-shaped arm, the apex angle ends of the upper A-shaped arm and the lower A-shaped arm are respectively and correspondingly connected with the upper end and the lower end of the vertical arm through first maintenance-free bearings, and the other two ends of the upper A-shaped arm and the lower A-shaped arm are rotatably arranged on a frame; the passive rocker arm is rotatably mounted on the frame through a second maintenance-free bearing, the two-side shock absorbers and the two-side air bags are respectively and fixedly mounted at the bottom end and the top end of the two-side vertical arms, the two-side wheel rim systems are respectively and correspondingly rotatably mounted at the outer sides of the two-side vertical arms, and the transverse stabilizer bar is rotatably connected between the two-side vertical arms. The invention improves the comfort of the whole vehicle, can prevent the impact force of one side from being transmitted to the other side, realizes the maintenance-free of the friction part, can effectively utilize the space and improves the trafficability and the stability of the vehicle.
Description
Technical Field
The invention relates to the technical field of automotive suspensions, in particular to an air independent suspension system with an upper air bag.
Background
The suspension is a generic term for all force-transmitting connection devices between the frame or the carrier body and the axle or wheels of a motor vehicle, which serve to transmit forces and forces twists acting between the wheels and the frame, to buffer the impact forces transmitted to the frame or body by uneven road surfaces and to reduce vibrations caused thereby, so that the motor vehicle can run smoothly.
At present, for vehicles with larger load, such as a trailer, a semitrailer and the like, a non-independent suspension such as a leaf spring suspension is generally adopted, and the structure is characterized in that wheels on two sides are connected by an integral frame, and the wheels and an axle are suspended below the frame or the vehicle body through an elastic suspension system.
In addition, in the process of transporting goods, lubricating oil (butter) needs to be added to friction parts of the vehicle periodically so as to achieve the effects of corrosion resistance, rust resistance, abrasion reduction and the like, and the stability and the safety of the vehicle in the running process are ensured. With the gradual rise of the transportation cost, the lubricating oil is added periodically, so that the operation is inconvenient, and the cost is not easy to save.
Disclosure of Invention
The invention aims to overcome the defects and the shortcomings in the prior art, and provides an air independent suspension system with an upper air bag, so that the comfort of the whole vehicle is improved, the impact force on one side can be prevented from being transmitted to the other side, the maintenance-free friction part is realized, the space can be effectively utilized, and the trafficability and the stability of the vehicle are improved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides an air bag overhead air independent suspension system, is including both sides wheel limit system, with knuckle, steering rod mechanism, both sides shock absorber, both sides gasbag, both sides support arm subassembly and the stabilizer bar of each side wheel limit system looks fixed connection, steering rod mechanism including initiative rocking arm, passive rocking arm, tie rod and middle pull rod, the one end of initiative rocking arm and passive rocking arm corresponds respectively with both sides the one end of tie rod rotates to be connected its characterized in that: each side of the support arm assembly comprises a vertical arm, an upper A-shaped arm and a lower A-shaped arm, wherein the vertex angle ends of the upper A-shaped arm and the lower A-shaped arm are respectively and correspondingly connected to the upper end and the lower end of the vertical arm through first maintenance-free bearings, and the other two ends of the upper A-shaped arm and the lower A-shaped arm are rotatably arranged on a frame; the other end of the passive rocker arm is rotatably mounted on the frame through a second maintenance-free bearing, the two-side shock absorbers and the two-side air bags are fixedly mounted at the bottom end and the top end of the vertical arm at two sides respectively, the two-side wheel rim systems are rotatably mounted at the outer sides of the vertical arms at two sides respectively correspondingly, and the transverse stabilizer bar is rotatably connected between the vertical arms at two sides.
Further, spherical hinges are arranged at the other two ends of the upper A-shaped arm and the lower A-shaped arm.
Further, bolts penetrate through two ends of the pin shaft of the spherical hinge and are screwed into screw holes in the frame, and the other two ends of the upper A-shaped arm and the lower A-shaped arm are respectively rotatably installed on the frame.
Furthermore, a master pin is rotatably arranged on the outer side of the vertical arm and used for rotatably mounting the two-side wheel rim systems.
Further, through holes are formed in the bottom end of the inner side of the vertical arm and the bottom end of each side damper, bolts penetrate into the two pin holes from one side and extend out of the two pin holes, locking nuts are screwed at the extending ends of the bolts, and the locking nuts are screwed tightly so that the two side dampers are fixedly mounted on the bottom ends of the inner sides of the vertical arms correspondingly.
Further, the upper ends of the two side dampers respectively pass through the inner sides of the upper A-shaped arm and the lower A-shaped arm on the two sides correspondingly and are respectively connected with the frame.
Further, the top end of the vertical arm is fixedly connected with an air bag installation seat, and the air bags on the two sides are respectively and correspondingly and fixedly installed on the air bag installation seats on the two sides.
Further, the upper ends of the air bags at the two sides are respectively connected with the frame.
Further, the upper end of the inner side of the vertical arm is rotatably connected with a hanging rod, and two ends of the transverse stabilizer bar are correspondingly and rotatably connected with the bottom ends of the hanging rods on two sides respectively.
Furthermore, the two ends of the transverse stabilizer bar are respectively sleeved with bearing seats in a rotating way through bearings, and the bearing seats are fixedly arranged on the frame.
Compared with the prior art, the invention has the beneficial effects that:
1. The invention adopts the supporting arm assembly as the suspension main body, so that the wheel rim system and the supporting arm assembly bear the vertical load of the vehicle together, the air bag and the shock absorber buffer and attenuate the impact from the ground together, and the wheel rim system on each side can independently jump through the upper A-shaped arm and the lower A-shaped arm, thereby not only improving the comfort of the whole vehicle, but also preventing the impact force on one side from being transferred to the other side.
2. The invention adopts the maintenance-free bearing to install the upper and lower A-shaped arms in the supporting arm assembly and the passive rocker arm in the steering rod mechanism, thereby realizing the maintenance-free friction part of the components, avoiding the need of adding lubricating oil (butter) regularly, simplifying the operation and being beneficial to saving the cost.
3. The invention ensures that the upper end of the shock absorber passes through the inner sides of the upper A-shaped arm and the lower A-shaped arm respectively and then is connected with the frame, and the air bag is fixedly arranged at the top end of the vertical arm and then is directly connected with the frame.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
Fig. 3 is a schematic structural view of a single-sided support arm assembly according to the present invention.
Fig. 4 is a schematic structural view of the wheel side system and steering rod mechanism of the present invention.
Fig. 5 is a schematic structural view of a passive rocker arm according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, an air bag overhead type air independent suspension system comprises two side wheel systems 1, a steering knuckle 2 fixedly connected with each side wheel system 1, a steering rod mechanism 3, two side shock absorbers 4, two side air bags 5, two side support arm assemblies 6 and a transverse stabilizer 7, wherein the steering rod mechanism 3 comprises an active rocker 8, a passive rocker 9, a transverse pull rod 10 and a middle pull rod 11, one ends of the active rocker 8 and the passive rocker 9 are respectively and correspondingly connected with one ends of the transverse pull rods 10 on two sides in a rotating way, two ends of the middle pull rod 11 are respectively and correspondingly connected with the active rocker 8 and the passive rocker 9 in a rotating way, each side support arm assembly 6 comprises a vertical arm 12, an upper A-shaped arm 13 and a lower A-shaped arm 14, the top angle ends of the upper A-shaped arm 13 and the lower A-shaped arm 14 are respectively and correspondingly connected with the upper end and the lower end of the vertical arm 12 in a rotating way through a first maintenance-free bearing 15, and the other two ends of the upper A-shaped arm 13 and the lower A-shaped arm 14 are respectively and rotatably mounted on a frame; the other end of the passive rocker 9 is rotatably mounted on the frame through a second maintenance-free bearing 16, the two-side shock absorber 4 and the two-side air bag 5 are respectively and correspondingly fixedly mounted at the bottom end and the top end of the two-side vertical arms 12, the two-side wheel rim system 1 is respectively and correspondingly rotatably mounted at the outer sides of the two-side vertical arms 12, and the transverse stabilizer 7 is rotatably connected between the two-side vertical arms 12.
In the invention, the other two ends of the upper A-shaped arm 13 and the lower A-shaped arm 14 are respectively provided with a spherical hinge 17.
In the invention, bolts 18 penetrate through two ends of a pin shaft of the spherical hinge and are screwed into screw holes on the frame, so that the other two ends of the upper A-shaped arm 13 and the lower A-shaped arm 14 are respectively rotatably arranged on the frame.
In the present invention, the master pin 19 is rotatably mounted on the outer side of the vertical arm 12, so that the two-side wheel rim systems 1 are correspondingly rotatably mounted on the outer sides of the vertical arms 6 on the two sides.
In the invention, through holes are arranged at the bottom end of the inner side of the vertical arm 12 and the bottom end of each side damper 4, a bolt 20 penetrates into two pin holes from one side and extends out, and a locking nut 21 is screwed at the extending end of the bolt 20.
By tightening the lock nut 21, the nut end of the bolt 20 is brought into contact with the rear side of the bottom end of the inner side of the vertical arm 12, and thereby the two side dampers 4 are fixedly attached to the bottom ends of the inner sides of the vertical arms 5, respectively.
In the invention, the upper ends of the two side dampers 4 respectively pass through the inner sides of the upper A-shaped arms 13 and the lower A-shaped arms 14 on the two sides correspondingly and are respectively connected with the frame.
In the invention, the top end of the vertical arm 12 is fixedly connected with an airbag mounting seat 21, and the airbags 5 at two sides are respectively and correspondingly and fixedly mounted on the airbag mounting seats 21 at two sides, so that the airbags 5 at two sides are respectively and correspondingly and fixedly mounted on the top ends of the vertical arms 5 at two sides.
In the invention, the upper ends of the air bags 5 on two sides are respectively connected with a frame.
In the invention, the upper end of the inner side of the vertical arm 12 is rotatably connected with a hanging rod 22, and the two ends of the transverse stabilizer bar 7 are correspondingly rotatably connected with the bottom ends of the hanging rods 22 at the two sides respectively, so that the transverse stabilizer bar 7 is rotatably connected between the inner sides of the vertical arms 6 at the two sides.
In the invention, the two ends of the transverse stabilizer bar 7 are respectively sleeved with a bearing seat 23 in a rotating way through bearings, and the bearing seat 23 is fixedly arranged on a frame.
The invention is further described below with reference to the accompanying drawings:
During assembly, the two-side wheel rim systems 1 are correspondingly connected with the main pins 16 on two sides respectively, and the two-side shock absorbers 4 and the two-side air bags 5 are correspondingly and fixedly arranged on the air bag mounting seats 21 on the bottom ends and the top ends of the vertical arms 12 on two sides respectively, so that the two-side wheel rim systems 1, the two-side shock absorbers 4 and the two-side air bags 5 are arranged.
Then, bolts penetrate through two ends of a pin shaft of the spherical hinge 17 and are screwed into screw holes in the frame, so that the other two ends of the upper A-shaped arm 13 and the lower A-shaped arm 14 are respectively rotatably mounted on the frame.
The upper ends of the side dampers 4 and the side airbags 5 are respectively connected to the frame.
In addition, a fixed pin 24 is pinned into the second maintenance-free bearing 16, bolts 25 are inserted into through holes at two ends of the fixed pin 24, and then the fixed pin is screwed into screw holes on the frame, so that the other end of the passive rocker 9 is rotatably mounted on the frame.
The driving rocker 5 has a triangular structure, one end of which is rotatably connected to one end of a corresponding tie rod 10, the other end of which is rotatably mounted on the frame as the passive rocker 9, and the other end of which is connected to an output shaft of a steering gear of the vehicle.
In addition, bolts 26 are inserted into through holes at two ends of the bearing seat 23 and screwed into screw holes on the frame, so that the bearing seat 23 is fixedly mounted on the frame.
When the vehicle-mounted wheel rim system is used, the two side wheel rim systems 1, the support arm assemblies 6 on the two sides and the two side air bags 5 bear the vertical load of the vehicle, the two side air bags 5 and the two side shock absorbers 4 buffer and attenuate the impact from the ground, and the wheel rim system 1 on each side can independently jump through the corresponding upper A-shaped arm 13 and the lower A-shaped arm 14, so that the comfort of the whole vehicle is improved, and the impact force on one side can be prevented from being transmitted to the other side.
In addition, the upper A-shaped arm 13 and the lower A-shaped arm 14 in the support arm assembly 4 and the passive rocker arm 9 in the steering rod mechanism 3 are installed by adopting maintenance-free bearings, so that maintenance-free of friction parts of the components is realized, lubricating oil (butter) is not required to be added regularly, the operation is simplified, and the cost is saved.
In addition, the upper ends of the vibration dampers 4 on two sides respectively penetrate through the inner sides of the upper A-shaped arm and the lower A-shaped arm and then are connected with the frame, and the air bags 5 on two sides respectively correspond to the top ends of the vertical arms 12 fixedly installed on two sides and then are directly connected with the frame.
Since a vehicle having a large load such as a trailer or a semitrailer is likely to cause a problem of tire wear during steering, the tire is prevented from receiving a vertical load by controlling the air pressure of the air bags 5 on both sides through a pipeline during steering, and the wear of the tire is reduced.
Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments described in the disclosure as a whole may be combined appropriately to form other embodiments that will be apparent to those skilled in the art.
Therefore, the above description is not intended to limit the scope of the application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411109469.9A CN118952924A (en) | 2024-08-13 | 2024-08-13 | An airbag-mounted air independent suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411109469.9A CN118952924A (en) | 2024-08-13 | 2024-08-13 | An airbag-mounted air independent suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118952924A true CN118952924A (en) | 2024-11-15 |
Family
ID=93404024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411109469.9A Pending CN118952924A (en) | 2024-08-13 | 2024-08-13 | An airbag-mounted air independent suspension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118952924A (en) |
-
2024
- 2024-08-13 CN CN202411109469.9A patent/CN118952924A/en active Pending
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