CN111361379A - Integrated air suspension system of wheel-side electric drive axle - Google Patents
Integrated air suspension system of wheel-side electric drive axle Download PDFInfo
- Publication number
- CN111361379A CN111361379A CN201910292207.3A CN201910292207A CN111361379A CN 111361379 A CN111361379 A CN 111361379A CN 201910292207 A CN201910292207 A CN 201910292207A CN 111361379 A CN111361379 A CN 111361379A
- Authority
- CN
- China
- Prior art keywords
- drive axle
- electric drive
- wheel
- side electric
- whole vehicle
- 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
Images
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
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
- B60G21/0551—Mounting means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/30—Height or ground clearance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/20—Stationary vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
A wheel-side electric drive axle integrated air suspension system is characterized in that a shock absorber and an air bag assembly are symmetrically arranged left and right and front and back by taking the center of a wheel-side electric drive axle as the center, the shock absorber and the air bag assembly are both installed and fixed on the wheel-side electric drive axle, and the left and right center distance of the air bag assembly is 1510-1580 mm; the lower thrust rods are arranged in front of the wheel-side electric drive axle in a V shape, one end of each lower thrust rod is connected with the wheel-side electric drive axle, the other end of each lower thrust rod is fixed on a whole vehicle frame, and the included angle between the two lower thrust rods is 60 degrees; the upper thrust rod is arranged in parallel in front of the wheel-side electric drive axle; and the wheel-side electric drive axle is provided with a height sensor assembly and a transverse stabilizer bar. The invention is beneficial to shortening the development matching period of the whole vehicle, can simplify the number of parts of the whole vehicle, saves cost, can realize the height adjustment of the chassis of the whole vehicle, improves the smoothness of the whole vehicle, is beneficial to ensuring the side-tipping stability of the whole vehicle, considers the adaptation to different arrangement requirements of the whole vehicle and can realize the preposition or postposition of the transverse stabilizer bar.
Description
Technical Field
The invention relates to the technical field of automobile chassis, in particular to an integrated air suspension system of a wheel-side electric drive axle.
Background
At present, the nation defines the action outline for promoting the transportation barrier-free travel service, encourages the conditional urban newly-added buses to preferentially select low-floor buses, and the urban newly-added buses with more than 500 ten thousand of population all realize low-floor transformation by 2020, so that the pure electric appliances and low-floor transformation of the urban buses become the future development trend.
CN104908581A、CN102139628AAndCN107284214Athe wheel-side electric drive axle scheme is provided respectively from the aspects of increasing the speed ratio, facilitating the disassembly and maintenance of the motor, reducing the processing and manufacturing difficulty, reducing the cost and the like. However, in the above schemes, how the wheel-side electric drive axle is matched with the suspension is not considered, so as to meet different arrangement and performance requirements of the whole vehicle, and especially ensure the roll stability of the whole vehicle. Therefore, the entire vehicle plant is often required to additionally consider suspension matching and stabilizer bar arrangement, resulting in a great increase in development cycle and development cost.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an integrated air suspension system of a wheel-side electric drive axle, so as to effectively improve the integration level of the electric drive axle and a suspension.
In order to achieve the purpose, the shock absorber and the air bag assembly are symmetrically arranged left and right and front and back by taking the center of the wheel-side electric drive axle as the center, the shock absorber and the air bag assembly are both installed and fixed on the wheel-side electric drive axle, and the left and right center distance of the air bag assembly is 1510-1580 mm; the lower thrust rods are arranged in front of the wheel-side electric drive axle in a V shape, one end of each lower thrust rod is connected with the wheel-side electric drive axle, the other end of each lower thrust rod is fixed on a whole vehicle frame, and the included angle between the two lower thrust rods is 60 degrees; the upper thrust rod is arranged in parallel in front of the wheel-side electric drive axle; and the wheel-side electric drive axle is provided with a height sensor assembly and a transverse stabilizer bar.
The air bag assembly is arranged on the wheel-side electric drive axle through a cushion block, the cushion block is of a tailor-welded structure formed by welding a square block and a disc together, the cushion block is fixedly welded on the wheel-side electric drive axle, and the air bag assembly is connected onto the cushion block through threads.
The height sensor assembly is arranged behind the wheel-side electric drive axle in a bilateral symmetry mode, the height sensor assembly is fixed to the wheel-side electric drive axle through a second support, the swing rod component is perpendicular to the second support, the lower end of the swing rod component is fixed to the second support, one end of the height sensor is connected with the upper end of the swing rod component, and the other end of the height sensor is fixed to a whole vehicle frame or a vehicle body.
A transverse stabilizer bar is arranged at the rear of the wheel-side electric drive axle, a first support seat which is cast and processed is symmetrically fixed on the wheel-side electric drive axle through the left side and the right side of four flange bolts, two lug parts of the transverse stabilizer bar are fixed with the first support seat, and a double-nut structure is adopted to screw and prevent looseness.
The transverse stabilizer bar can also be arranged in front and arranged in front of the wheel-side electric drive axle, the third support is a butt welding structure formed by welding a base and a pin shaft together, the left side and the right side of the third support are symmetrically fixed on the wheel-side electric drive axle through four flange bolts, the lower end of the suspender component is connected to the pin shaft of the third support, and the upper end of the suspender component is connected with the transverse stabilizer bar together and is screwed tightly and anti-loosing by adopting a double-nut structure.
The invention adopts the integrated design of the electric drive axle and the suspension assembly, thereby being beneficial to shortening the development and matching period of the whole vehicle; the electric drive axle and the suspension assembly are integrated for supply, so that the number of parts of the whole vehicle is reduced, and the cost is saved; the air suspension is adopted and provided with the height sensor assembly, so that the height of the chassis of the whole vehicle can be adjusted, and the smoothness of the whole vehicle is improved; the transverse stabilizer bar design is added, so that the roll stability of the whole vehicle is ensured; meanwhile, the transverse stabilizer bar can be arranged in a front or rear mode by considering different arrangement requirements of the whole vehicle.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view a of fig. 1.
Fig. 3 is a partial front view of fig. 1.
Fig. 4 is a schematic structural diagram of the spacer block in fig. 3.
Fig. 5 is a schematic view of a stabilizer bar of the present invention in a forward position.
Fig. 6 is a schematic structural view of the third support in fig. 5.
Fig. 7 is a partial enlarged view B of fig. 5.
In the figure: 1. a wheel-side electric drive axle; 2. a shock absorber; 3. an air bag assembly; 4. a lower thrust rod; 5, an upper thrust rod; 6. a hexagon head bolt I; 7. a first support; 8. a stabilizer bar; 9. a composite bushing; 10. a height sensor assembly; a height sensor; 12. a swing rod component; 13. a second support; 14. a short bolt; 15. cushion blocks; 16. a square block; 17. a disc; 18. a third support; 19. a base; 20. a pin shaft; 21. a flange bolt; 22. a thick hexagonal nut; 23. a thin hexagonal nut; 24. a second hexagon head bolt; 25. a boom assembly.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, 6, and 7, the present invention mainly includes a wheel-side electric drive axle 1, a shock absorber 2, an air bag assembly 3, a lower thrust rod 4, an upper thrust rod 5, a stabilizer bar 8, and a height sensor assembly 10. The wheel-side electric drive axle 1 is provided with four shock absorbers 2, one end of each shock absorber 2 is fixed on the wheel-side electric drive axle 1, the other end of each shock absorber 2 is fixed on a whole vehicle frame, and the shock absorbers 2 are symmetrically arranged left and right and front and back by taking the center of the wheel-side electric drive axle 1 as the center, so that uniform bearing is facilitated; the lower thrust rods 4 are arranged in a V shape, the included angle between the two lower thrust rods is 60 degrees, lateral force transmission is facilitated, one end of each lower thrust rod 4 is fixed on the wheel-edge electric drive axle 1 through two hexagonal head bolts I6, and the other end of each lower thrust rod is fixed on a whole vehicle frame; the upper thrust rods 5 are arranged in parallel and only bear and transmit longitudinal force, and the two upper thrust rods 5 and the wheel-side electric drive axle 1 are fastened through hexagonal bolts.
The transverse stabilizer bar 8 is arranged at the rear of the wheel-side electric drive axle 1 relative to the whole vehicle. The first support 7 is machined through a casting and fixed on the wheel-side electric drive axle 1 through four flange bolts 21, the left side and the right side are symmetrically arranged, the two ear parts of the transverse stabilizer bar 8 are provided with the composite bushing 9, the rod part of the second hexagonal head bolt 24 penetrates through the first support 7, the ear parts of the transverse stabilizer bar 8 and the composite bushing 9, the thick hexagon nut 22 and the thin hexagon nut 23 are sequentially screwed on the rod part, and the double-nut structure is adopted for preventing looseness.
The integrated air suspension system of the wheel-side electric drive axle is provided with the height adjusting device, the height of a chassis of the whole vehicle can be adjusted by inflating and deflating the air bag, the left and right center distance of the air bag assembly 3 is 1510-1580 mm, the distance is close to the wheel distance, the roll angle rigidity of the system can be improved, and the roll stability of the whole vehicle can be improved. One end of each of the four air bag assemblies 3 is arranged on the wheel-side electric drive axle 1, and the other end is fixed on the whole vehicle frame. In order to avoid direct fixation of the air bag assembly 3 and the wheel-side electric drive axle 1 and to avoid interference risks, a cushion block 15 is additionally arranged in the middle, the cushion block 15 is formed by a square block 16 and a disc 17 into a whole through welding, cost reduction is facilitated, a threaded through hole M18x1.5 is machined in the middle of the cushion block 15, the air bag assembly 3 is connected to the cushion block 15 through threads, maintenance and replacement of the air bag assembly 3 are facilitated, the cushion block 15 and the wheel-side electric drive axle 1 are fixed together through welding, and reliable installation is facilitated. The second support 13 is fixed on the wheel-side electric drive axle 1 by two short bolts 14 and is arranged in a bilateral symmetry structure, a fixed height sensor assembly 10 is installed on the second support 13, the height sensor assembly 10 comprises a height sensor 11 and a swing rod assembly 12, the height sensor assembly 10 is installed behind the wheel-side electric drive axle 1 in a bilateral symmetry mode, the swing rod assembly 12 is perpendicular to the second support 13, the lower end of the swing rod assembly 12 is fixed on the second support 13, one end of the height sensor 11 is connected with the upper end of the swing rod assembly 12, and the other end of the height sensor 11 is fixed on a whole vehicle frame or a vehicle body.
The transverse stabilizer bar 8 provided by the invention can also be arranged in the front position and is arranged in front of the wheel-side electric drive axle 1 relative to the whole vehicle. Three 18 adoption tailor-welded structures of support, including base 19 and round pin axle 20, three 18 of support after the welding is accomplished are fixed on wheel limit electric drive axle 1 through four flange bolts 21, adopt both sides symmetrical arrangement about the adoption, the lower extreme of jib subassembly 25 is connected on three 18 round pin axle 20 of support, adopt two 24 of hexagon head bolt to prevent loosing, the upper end of jib subassembly 25 links together with stabilizer bar 8 to adopt two 24 of hexagon head bolt, thick hexagon nut 22 and thin hexagon nut 23 to fasten locking.
Claims (5)
1. The utility model provides an integrated air suspension system of wheel limit electric drive axle which characterized in that: the shock absorber (2) and the airbag assembly (3) are symmetrically arranged left and right and front and back by taking the center of the wheel-side electric drive axle (1) as the center, the shock absorber (2) and the airbag assembly (3) are fixedly arranged on the wheel-side electric drive axle (1), and the left and right center distance of the airbag assembly (3) is 1510-1580 mm; the lower thrust rods (4) are arranged in front of the wheel-side electric drive axle (1) in a V shape, one end of each lower thrust rod is connected with the wheel-side electric drive axle (1), the other end of each lower thrust rod is fixed on a whole vehicle frame, and the included angle of the two lower thrust rods (4) is 60 degrees; the upper thrust rod (5) is arranged in parallel in front of the wheel-side electric drive axle (1); the wheel-side electric drive axle (1) is provided with a height sensor assembly (10) and a transverse stabilizer bar (8).
2. A wheel-side electric drive axle integrated air suspension system as defined in claim 1, wherein: the air bag assembly (3) is installed on the wheel-side electric drive axle (1) through a cushion block (15), the cushion block (15) is of a splice welding structure formed by welding a square block (16) and a disc (17), the cushion block (15) is fixedly welded on the wheel-side electric drive axle (1), and the air bag assembly (3) is connected onto the cushion block (15) through threads.
3. A wheel-side electric drive axle integrated air suspension system as defined in claim 1, wherein: the height sensor assembly (10) is arranged at the rear of the wheel-side drive axle (1) in a bilateral symmetry mode, the height sensor assembly (10) is fixed on the wheel-side drive axle (1) through a second support (13), a swing rod component (12) is perpendicular to the second support (13), the lower end of the swing rod component (12) is fixed on the second support (13), one end of the height sensor (11) is connected with the upper end of the swing rod component (12), and the other end of the height sensor (11) is fixed on a whole vehicle frame or a vehicle body.
4. A wheel-side electric drive axle integrated air suspension system as defined in claim 1, wherein: transverse stabilizer bar (8) have been arranged at the rear of round of limit electric drive axle (1), and support (7) that adopt the casting processing are fixed on round of limit electric drive axle (1) through four flange bolt (21) left and right sides symmetry, and two ears and support (7) of transverse stabilizer bar (8) are fixed to it is locking to adopt two nut structures to screw up.
5. The integrated air suspension system for a wheel-side electric drive axle of claim 4, wherein: stabilizer bar (8) adopt leading, arrange in the place ahead of round of limit electric drive axle (1), three (18) of support are base (19) and round pin axle (20) welding splice welding structure together, three (18) of support are fixed on round of limit electric drive axle (1) through four flange bolt (21) left and right sides symmetry, the lower extreme of jib subassembly (25) is connected on round pin axle (20) of three (18) of support, the upper end and the stabilizer bar (8) of jib subassembly (25) link together, and adopt two nut structures to screw up locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910292207.3A CN111361379A (en) | 2019-04-12 | 2019-04-12 | Integrated air suspension system of wheel-side electric drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910292207.3A CN111361379A (en) | 2019-04-12 | 2019-04-12 | Integrated air suspension system of wheel-side electric drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111361379A true CN111361379A (en) | 2020-07-03 |
Family
ID=71200188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910292207.3A Pending CN111361379A (en) | 2019-04-12 | 2019-04-12 | Integrated air suspension system of wheel-side electric drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111361379A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115610174A (en) * | 2022-10-14 | 2023-01-17 | 一汽解放汽车有限公司 | Air suspension system and vehicle |
-
2019
- 2019-04-12 CN CN201910292207.3A patent/CN111361379A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115610174A (en) * | 2022-10-14 | 2023-01-17 | 一汽解放汽车有限公司 | Air suspension system and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016101700A1 (en) | Wheel-beam axleless vehicle frame | |
| WO2004000583A1 (en) | Front suspension | |
| CN102729756B (en) | Rear suspension system for rear-drive off-road vehicle | |
| CN104149571A (en) | Four-bar and double-air bag air suspension device | |
| CN111361379A (en) | Integrated air suspension system of wheel-side electric drive axle | |
| CN112549934B (en) | Rubber wheel train | |
| CN202175096U (en) | Symmetrical four-link steering assembly of front axle of large-sized mining dumper | |
| CN218806105U (en) | Universal driving module for front axle and rear axle and automobile | |
| US11926191B2 (en) | All-terrain vehicle | |
| CN209813661U (en) | Integrated air suspension system of wheel-side electric drive axle | |
| CN201437320U (en) | Novel four-bar independent suspension device for vehicle | |
| CN204586409U (en) | A kind of independent front suspension of automobile double transverse arm torsion bar air bellow combined type | |
| CN216102110U (en) | Framework device for built-in non-power bogie of axle box of high-speed motor train unit | |
| CN216185127U (en) | Axle box built-in type high-speed motor train unit non-power bogie | |
| CN201325558Y (en) | Rear wheel suspension structure of three-wheeled motorcycle | |
| CN212605435U (en) | Five-connecting-rod rear auxiliary frame | |
| CN213323490U (en) | Four-wheel electric passenger vehicle | |
| CN2860990Y (en) | Frame for three-wheel motorcycle | |
| CN211764763U (en) | Front independent suspension system for light bus | |
| CN203713460U (en) | Double-rear axle air suspension system of heavy truck tractor | |
| CN201694243U (en) | Heavy-duty dump truck without auxiliary frame | |
| CN206813100U (en) | A kind of automotive frame assembly | |
| CN210309821U (en) | Low-floor passenger car rear suspension transverse stabilizer bar device | |
| CN221213356U (en) | All-terrain vehicle | |
| CN220974449U (en) | Novel front triangle and rear triangle connecting device of electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |