CN215360825U - High liftoff chassis's back air suspension and car - Google Patents
High liftoff chassis's back air suspension and car Download PDFInfo
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- CN215360825U CN215360825U CN202121703265.XU CN202121703265U CN215360825U CN 215360825 U CN215360825 U CN 215360825U CN 202121703265 U CN202121703265 U CN 202121703265U CN 215360825 U CN215360825 U CN 215360825U
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- stabilizer bar
- equalizing beam
- support
- air spring
- chassis
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Abstract
The utility model discloses a rear air suspension of a high-lift chassis and an automobile, wherein the rear air suspension comprises a frame, a stabilizer bar torsion bar, a stabilizer bar cross bar, a stabilizer bar steel sleeve, a stabilizer bar bushing, a stabilizer bar suspension rod, a small air spring, a large air spring, an upper balance beam, a left balance beam, an upper balance beam, a right balance beam, a straight thrust rod, a middle large support, a shock absorber, a lower thrust support, an external limit, a V-shaped thrust rod and a V-shaped thrust support. The utility model ensures the stability and the transmission performance of the rear suspension, reduces the self weight of the suspension through reasonable spatial arrangement and optimized design, improves the ground clearance between the lowest point of the chassis and the ground, and particularly enhances the adaptability of the engineering vehicle under the working condition of a severe road.
Description
Technical Field
The utility model relates to a rear air suspension of a chassis with high liftoff and an automobile, and belongs to the technical field of heavy-duty automobile chassis.
Background
At present, most of domestic air suspension vehicles adopt an underlying support beam structure, structures such as a stabilizer bar, a shock absorber and a thrust rod are integrated on the underlying support beam, the bottommost side of a chassis is lower in ground clearance, the trafficability characteristic is poor, and when the working condition is severe, the ground collision can happen at a close place, so that unnecessary damage is caused.
According to the requirements of national regulations, hazardous chemical substance transport vehicles need to adopt an air suspension structure, the existing under-arranged support beam structure can meet the normal running of air suspension vehicles on a grade road, but the adaptability to oil field transport working conditions is poor, and certain requirements are provided for the ground clearance of the whole vehicle based on the consideration of safety and reliability.
Therefore, the development of the high-trafficability air suspension vehicle can ensure the strength of the parts and the performance of the whole vehicle, and the development of the high-trafficability air suspension vehicle can meet the requirements of dangerous chemical transportation markets such as oil fields with poor road conditions.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a rear air suspension of a high-lift chassis with a stabilizer bar penetrating through a frame and an automobile aiming at the defects in the prior art.
In order to solve the technical problem, the utility model provides a rear air suspension of a high-lift chassis, which comprises a frame, a stabilizer bar torsion bar, a stabilizer bar cross bar, a stabilizer bar steel sleeve, a stabilizer bar bushing, a stabilizer bar suspender, a small air spring, a large air spring, an upper equalizing beam, a left equalizing beam, an upper equalizing beam, a right equalizing beam, a straight thrust rod, a middle large support, a shock absorber, a lower thrust support, an external limit, a V-shaped thrust rod and a V-shaped thrust support, wherein the stabilizer bar steel sleeve is fixed on the frame at two sides through bolts, and the stabilizer bar bushing is arranged in the stabilizer bar steel sleeve in an interference manner; the two ends of the torsion bar of the stabilizer bar penetrate through the bushing of the stabilizer bar, the end part of the torsion bar of the stabilizer bar is clamped and fixed with one end of the cross bar of the stabilizer bar through a bolt through a spline, and the other end of the cross bar of the stabilizer bar is connected with the suspender of the stabilizer bar through a stepped shaft; the upper equalizing beam-left and upper equalizing beam-right are prepositioned with the upper parts of the middle axle and the rear axle, the lower push support is prepositioned with the lower parts of the middle axle and the rear axle, and the upper push support and the lower push support are fixed through a step shaft after being placed; the upper ends of the small air spring and the large air spring are respectively connected with the frame through bolts, and the lower parts of the small air spring and the large air spring are respectively connected with the upper equalizing beam, the left side and the upper equalizing beam, the right side; the middle large support is connected to the two sides of the frame through bolts, and the straight thrust rod is connected with the middle large support and the lower thrust support through an upper ball pin and bolts; the V-shaped thrust rod is connected with the V-shaped thrust support through a double ball pin of the V-shaped thrust rod by using a bolt, and the end of the single ball pin is connected with an axle bolt through a mounting seat.
The upper equalizing beam, the left equalizing beam and the upper equalizing beam are provided with stabilizer bar lifting lugs on the right, and the lower part of the stabilizer bar lifting rod is connected with the lifting lugs on the upper equalizing beam, the left equalizing beam and the upper equalizing beam through step shafts; the upper portion of stabilizer bar horizontal pole and stabilizer bar jib and rubber bush between them pass through the step hub connection, are equipped with the internal spline on the stabilizer bar horizontal pole, and outside open design increases the boss on it, is equipped with the nested and through bolt clamp connection of the internal spline of external spline and stabilizer bar horizontal pole on the stabilizer bar torsion bar.
The upper equalizing beam, the left equalizing beam and the upper equalizing beam, are connected with a boss and a limiting block of the axle in a pre-positioning way through an upper limiting groove, the direct thrust rod and the axle are positioned by adopting a pin, and the bolt passes through a positioning hole of the direct thrust rod, a positioning hole of the axle and a positioning hole of the upper equalizing beam, the left equalizing beam or the upper equalizing beam and the right positioning hole from bottom to top.
The upper balance beam, the left balance beam and the upper balance beam are provided with air bag mounting machine processing surfaces on the right, the lower processing surfaces of the small air spring and the large air spring are connected with the processing surfaces of the upper balance beam, the left balance beam and the upper balance beam, the air bag mounting machine processing surfaces on the right through bolts, and the upper parts of the small air spring and the large air spring are connected with an air bag support of the frame through welding studs of the body.
The upper equalizing beam, the left equalizing beam and the right equalizing beam are provided with shock absorber positioning blocks, the lower parts of the two shock absorbers are respectively connected with the left equalizing beam, the upper equalizing beam and the right shock absorber positioning blocks through step shafts, and the upper parts of the shock absorbers are connected with a shock absorber bracket of the frame through the step shafts.
And the upper equalizing beam-left and the upper equalizing beam-right are provided with weight reduction structures.
The utility model also provides an automobile provided with the rear air suspension, the automobile is provided with the rear air suspension of the high-off-ground chassis, and chassis components are arranged on the upper balance beam-left, the upper balance beam-right and a transverse stabilizer bar torsion bar penetrating through the center of the automobile frame.
Has the advantages that: the utility model ensures the stability and the transmission performance of the rear suspension, reduces the self weight of the suspension through reasonable spatial arrangement and optimized design, improves the ground clearance between the lowest point of the chassis and the ground, and particularly enhances the adaptability of the engineering vehicle under the working condition of a severe road.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cutaway frame configuration of the present invention;
FIG. 3 is a schematic side view of the structure of the present invention;
FIG. 4 is a schematic view of a through-frame stabilizer bar assembly of the present invention;
FIG. 5 is an assembled view of a stabilizer bar assembly of the present invention;
fig. 6 is a schematic diagram of ground clearance actual measurement according to the present invention.
In the figure: the stabilizer bar comprises a frame 1, a stabilizer bar torsion bar 2, a stabilizer bar cross bar 3, a stabilizer bar suspender 4, a small air spring 5, an upper balance beam 6, a left air spring 7, a large air spring 7, a straight thrust rod 8, a middle large support 9, a shock absorber 10, a lower thrust support 11, an upper balance beam 12, a right balance beam 13, an external limit 14, a V-shaped thrust rod 15, a stabilizer bar steel bushing 16 and a stabilizer bar bushing 17.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-6, the utility model provides a rear air suspension of a high-lift chassis, which comprises a frame 1, a stabilizer bar torsion bar 2, a stabilizer bar cross bar 3, a stabilizer bar steel sleeve 16, a stabilizer bar bush 17, a stabilizer bar suspension rod 4, a small air spring 5, a large air spring 7, an upper equalizing beam-left 6, an upper equalizing beam-right 12, a straight thrust bar 8, a middle large bracket 9, a shock absorber 10, a lower push support 11, an external limit 13, a V-shaped thrust bar 14 and a V-shaped push support 15, wherein the stabilizer bar steel sleeve 16 is fixed on the frame 1 at two sides through bolts, and the stabilizer bar bush 17 is arranged in the stabilizer bar steel sleeve 16 in an interference manner; the two ends of the stabilizer bar torsion bar 2 penetrate through a stabilizer bar bushing 17, the end part of the stabilizer bar torsion bar 2 is clamped and fixed with one end of a stabilizer bar cross bar 3 through a bolt through a spline, and the other end of the stabilizer bar cross bar 3 is connected with a stabilizer bar suspender 4 through a stepped shaft; the upper equalizing beam-left 6 and the upper equalizing beam-right 12 are prepositioned with the upper parts of the middle axle and the rear axle, and the lower push support 11 is prepositioned with the lower parts of the middle axle and the rear axle and is fixed by a step shaft after being placed; the upper ends of the small air spring 5 and the large air spring 7 are respectively connected with the frame 1 through bolts, and the lower parts of the small air spring and the large air spring are respectively connected with an upper equalizing beam-left 6 and an upper equalizing beam-right 12; the middle large support 9 is connected with the two sides of the frame 1 through bolts, and the straight thrust rod 8 is connected with the middle large support 9 and the lower thrust support 11 through a ball pin on the straight thrust rod and bolts; the V-shaped thrust rod 14 is connected with the V-shaped thrust support 15 through a double ball pin of the V-shaped thrust rod by using a bolt, and the end of the single ball pin is connected with an axle bolt through a mounting seat. On the premise of ensuring the transmission of the four-bar linkage mechanism and the stability of the whole vehicle, the ground clearance is improved.
The upper equalizing beam-left 6 and the upper equalizing beam-right 12 are provided with stabilizer bar lifting lugs, and the lower part of the stabilizer bar lifting rod 4 is connected with the lifting lugs of the upper equalizing beam-left 6 and the upper equalizing beam-right 12 through step shafts; the upper portion of stabilizer bar horizontal pole 3 passes through the stepped shaft with stabilizer bar jib 4 and the rubber bush between them and connects, is equipped with the internal spline on the stabilizer bar horizontal pole 3, and outside open design increases the boss on it, is equipped with the internal spline nestification of external spline and stabilizer bar horizontal pole 3 on stabilizer bar torsion bar 2 and through bolt clamp connection, prevents that the stabilizer bar from deviating from.
The upper equalizing beam-left 6 and the upper equalizing beam-right 12 are connected with a boss and a limiting block of the axle in a pre-positioning mode through limiting grooves on the upper equalizing beam-left 6 and the upper equalizing beam-right 12, the direct thrust rod 8 and the axle are positioned by pins, and bolts penetrate through positioning holes of the direct thrust rod 8, positioning holes of the axle, positioning holes of the upper equalizing beam-left 6 or positioning holes of the upper equalizing beam-right 12 from bottom to top.
The upper balance beam-left 6 and the upper balance beam-right 12 are provided with air bag mounting machine processing surfaces, the lower processing surfaces of the small air spring 5 and the large air spring 7 are connected with the air bag mounting machine processing surfaces of the upper balance beam-left 6 and the upper balance beam-right 12 through bolts, the upper parts of the small air spring 5 and the large air spring 7 are connected with an air bag support of the frame 1 through welding studs of the body, and ground clearance is improved on the premise of guaranteeing air bag performance and stability of the whole vehicle.
The upper equalizing beam-left 6 and the upper equalizing beam-right 12 are provided with shock absorber positioning blocks, the lower parts of the two shock absorbers 10 are respectively connected with the shock absorber positioning blocks of the upper equalizing beam-left 6 and the upper equalizing beam-right 12 through step shafts, and the upper parts of the shock absorbers 10 are connected with a shock absorber support of the frame 1 through the step shafts, so that the ground clearance is improved on the premise of ensuring the performance of the shock absorbers and the stability of the whole vehicle.
The left upper equalizing beam-6 and the right upper equalizing beam-12 are provided with weight reduction structures, so that the light weight and the stability of the whole vehicle are realized on the premise of ensuring the strength of the support, and the ground clearance is improved.
The overhead balance beam-left 6, the overhead balance beam-right 12 and the stabilizer bar torsion bar 2 penetrating through the frame can ensure the compactness of chassis arrangement, ensure more reasonable space utilization, ensure the transverse stability of the vehicle and the light weight of a suspension system, greatly ensure the trafficability of the engineering truck and have better road condition adaptability.
The utility model also provides an automobile provided with the rear air suspension, the automobile is provided with the rear air suspension of the high-off-ground chassis, and the chassis component is arranged on the upper portion by the upper balance beam-left 6, the upper balance beam-right 12 and the transverse stabilizer bar torsion bar 2 which is arranged through the center of the automobile frame.
The stabilizer bar penetrates through the frame to save the lower space, ensure the stress of the stabilizer bar and improve the ground clearance on the premise of ensuring the side-tipping performance of the rear suspension and the stability of the whole vehicle.
The utility model ensures the stability and the transmission performance of the rear suspension, reduces the self weight of the suspension through reasonable spatial arrangement and optimized design, improves the ground clearance between the lowest point of the chassis and the ground, and particularly enhances the adaptability of the engineering vehicle under the working condition of a severe road.
The above-described embodiments of the utility model are intended to be illustrative only and are not intended to be limiting, as all changes that come within the scope of or equivalence to the utility model are intended to be embraced therein.
Claims (7)
1. A rear air suspension for a high lift chassis, comprising: the stabilizer bar comprises a frame (1), a stabilizer bar torsion bar (2), a stabilizer bar cross bar (3), a stabilizer bar steel sleeve (16), a stabilizer bar bush (17), a stabilizer bar suspender (4), a small air spring (5), a large air spring (7), an upper equalizing beam-left (6), an upper equalizing beam-right (12), a straight thrust rod (8), a middle large support (9), a shock absorber (10), a lower thrust support (11), an external limit (13), a V-shaped thrust rod (14) and a V-shaped thrust support (15), wherein the stabilizer bar steel sleeve (16) is fixed on the frame (1) at two sides through bolts, and the stabilizer bar bush (17) is installed in the stabilizer bar steel sleeve (16) in an interference manner; the two ends of the stabilizer bar torsion bar (2) penetrate through the stabilizer bar bushing (17), the end part of the stabilizer bar torsion bar is clamped and fixed with one end of the stabilizer bar cross bar (3) through a bolt through a spline, and the other end of the stabilizer bar cross bar (3) is connected with the stabilizer bar hanging rod (4) through a stepped shaft; the upper equalizing beam-left part (6) and the upper equalizing beam-right part (12) are prepositioned with the upper parts of the middle axle and the rear axle, and the lower push support (11) is prepositioned with the lower parts of the middle axle and the rear axle and is fixed by a step shaft after being placed; the upper ends of the small air spring (5) and the large air spring (7) are respectively connected with the frame (1) through bolts, and the lower parts of the small air spring and the large air spring are respectively connected with an upper equalizing beam-left (6) and an upper equalizing beam-right (12); the middle large support (9) is connected to the two sides of the frame (1) through bolts, and the straight thrust rod (8) is connected with the middle large support (9) and the lower push support (11) through an upper ball pin and bolts; the V-shaped thrust rod (14) is connected with the V-shaped thrust support (15) through a double ball pin of the V-shaped thrust rod by using a bolt, and the end of a single ball pin is connected with an axle bolt through a mounting seat.
2. The rear air suspension for a high terrain chassis of claim 1, wherein: the upper equalizing beam-left (6) and the upper equalizing beam-right (12) are provided with stabilizer bar lifting lugs, and the lower part of the stabilizer bar suspender (4) is connected with the lifting lugs of the upper equalizing beam-left (6) and the upper equalizing beam-right (12) through step shafts; the upper portion of stabilizer bar horizontal pole (3) passes through the stepped shaft with stabilizer bar jib (4) and the rubber bush between them and connects, is equipped with the internal spline on stabilizer bar horizontal pole (3), and outside open design increases the boss on it, is equipped with the nested and through the bolt clamp connection of the internal spline of external spline and stabilizer bar horizontal pole (3) on stabilizer bar torsion bar (2).
3. The rear air suspension for a high terrain chassis of claim 1, wherein: the upper balance beam-left (6) and the upper balance beam-right (12) are connected with a boss and a limiting block of the axle in a pre-positioning mode through limiting grooves in the upper balance beam-left (6) and the upper balance beam-right (12), the straight thrust rod (8) and the axle are positioned by pins, and bolts penetrate through positioning holes of the straight thrust rod (8), positioning holes of the axle, and positioning holes of the upper balance beam-left (6) or the upper balance beam-right (12) from bottom to top.
4. The rear air suspension for a high terrain chassis of claim 1, wherein: the upper balance beam-left (6) and the upper balance beam-right (12) are provided with air bag mounting machine processing surfaces, the lower processing surfaces of the small air spring (5) and the large air spring (7) are connected with the air bag mounting machine processing surfaces of the upper balance beam-left (6) and the upper balance beam-right (12) through bolts, and the upper parts of the small air spring (5) and the large air spring (7) are connected with an air bag support of the frame (1) through welding studs of the body.
5. The rear air suspension for a high terrain chassis of claim 1, wherein: the upper equalizing beam-left (6) and the upper equalizing beam-right (12) are provided with shock absorber (10) positioning blocks, the lower parts of the two shock absorbers (10) are respectively connected with the shock absorber (10) positioning blocks of the upper equalizing beam-left (6) and the upper equalizing beam-right (12) through step shafts, and the upper parts of the shock absorbers (10) are connected with a shock absorber support of the frame (1) through the step shafts.
6. A rear air suspension for a high lift chassis according to any of claims 1 to 5 wherein: and the left upper equalizing beam (6) and the right upper equalizing beam (12) are provided with weight reduction structures.
7. An automobile provided with a rear air suspension according to any one of claims 1 to 6, characterized in that: the automobile is provided with a rear air suspension of a chassis which is high above ground, and chassis components are arranged on the upper portion of the rear air suspension by an upper equalizing beam-left (6), an upper equalizing beam-right (12) and a transverse stabilizer bar torsion bar (2) which penetrates through the center of the automobile frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121703265.XU CN215360825U (en) | 2021-07-26 | 2021-07-26 | High liftoff chassis's back air suspension and car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121703265.XU CN215360825U (en) | 2021-07-26 | 2021-07-26 | High liftoff chassis's back air suspension and car |
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| Publication Number | Publication Date |
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| CN215360825U true CN215360825U (en) | 2021-12-31 |
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| CN202121703265.XU Active CN215360825U (en) | 2021-07-26 | 2021-07-26 | High liftoff chassis's back air suspension and car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432068A (en) * | 2022-09-30 | 2022-12-06 | 中国重汽集团济南动力有限公司 | Light-weight ultra-low-position four-airbag air suspension system |
-
2021
- 2021-07-26 CN CN202121703265.XU patent/CN215360825U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432068A (en) * | 2022-09-30 | 2022-12-06 | 中国重汽集团济南动力有限公司 | Light-weight ultra-low-position four-airbag air suspension system |
| CN115432068B (en) * | 2022-09-30 | 2024-04-12 | 中国重汽集团济南动力有限公司 | Lightweight ultralow-position four-airbag air suspension system |
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