CN203637489U - Independent suspension steering drive axle and automobile - Google Patents
Independent suspension steering drive axle and automobile Download PDFInfo
- Publication number
- CN203637489U CN203637489U CN201320687443.3U CN201320687443U CN203637489U CN 203637489 U CN203637489 U CN 203637489U CN 201320687443 U CN201320687443 U CN 201320687443U CN 203637489 U CN203637489 U CN 203637489U
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- independent suspension
- reduction gear
- drive bridge
- suspension steering
- steering
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- 239000000725 suspension Substances 0.000 title claims abstract description 51
- 230000009467 reduction Effects 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 abstract 4
- 238000000429 assembly Methods 0.000 abstract 4
- 238000010009 beating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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Abstract
The utility model relates to an independent suspension steering drive axle which comprises a cardan shaft, upper swing arms, lower swing arms, swing arm brackets, oil gas springs, a main reduction gear assembly and hub reduction gear assemblies, wherein the hub reduction gear assemblies comprise steering knuckles and brakes; one end of the cardan shaft is connected with half shafts of the hub reduction gear assemblies; the other end of the cardan shaft is connected with an output flange of the main reduction gear assembly; and the cardan shaft is a double cardan shaft. A rotation angle of the double cardan shaft in the independent suspension steering drive axle is larger and can achieve 45 degrees. The double cardan shaft is connected with the half shafts of the hub reduction gear assemblies by splines, and connected with the output flange of the main reduction gear assembly 1 by a double key bearing support. A transmission torque of the double cardan shaft can be increased, the working reliability is improved, and the performances of the independent suspension steering drive axle and an automobile are improved.
Description
Technical field
The utility model relates to a kind of car chassis, particularly relates to a kind of independent suspension steering-drive bridge for automobile, also relates to a kind of automobile that comprises above-mentioned independent suspension steering-drive bridge.
Background technology
Along with progress and the development of modernization science and technology, require also more and more higher to automotive performance.Independent suspension steering-drive bridge is as one of major part of automobile, and its performance quality has determined the height of automotive performance index.
The constructional feature of independent suspension steering-drive bridge is: outside acting on apart from load-bearing and turning to etc., and the effect of drive axle of also having held concurrently; It has and general same main gearbox assembly and the wheel reduction gear assembly of drive axle; Because the wheel of automobile need to be around angle of the stub deflection of automobile in the time turning to, therefore the transmission shaft of independent suspension steering-drive bridge is divided into two sections, wheel reduction gear assembly is connected (being called universal joint shaft) with main gearbox assembly by universal-joint, universal joint shaft is divided into two sections, in the middle of two sections, use telescopic spline coupling, the necked part of stub axle is made hollow, so that universal joint shaft passes therethrough; Moment of torsion is passed on the wheel hub of wheel by main gearbox assembly, universal joint shaft, wheel reduction gear assembly.
But the universal joint shaft of independent suspension steering-drive bridge is generally Rzeppa joint transmission shaft in prior art.The work angle of Rzeppa joint is less, is generally less than 43 degree, and poor reliability, makes the reliability of independent suspension steering-drive bridge poor, thereby causes the performance of automobile lower.
Therefore, how solving the lower problem of performance of automobile, is those skilled in the art's technical issues that need to address.
Utility model content
It is large that the technical problems to be solved in the utility model is to provide a kind of work angle, the independent suspension steering-drive bridge that reliability is higher.
The utility model independent suspension steering-drive bridge, comprise universal joint shaft, top link, lower swing arm, oscillating arm bracket, hydro-pneumatic spring, main gearbox assembly and wheel reduction gear assembly, described wheel reduction gear assembly comprises steering swivel and drg, one end of described universal joint shaft is connected with the semiaxis of described wheel reduction gear assembly, the other end is connected with the output flange of described main gearbox assembly, and described universal joint shaft is double cardan universal joint transmission shaft.
The utility model independent suspension steering-drive bridge, wherein said double cardan universal joint transmission shaft is connected with the semiaxis of described wheel reduction gear assembly by spline, is connected with the output flange of described main gearbox assembly by two key bearing seats.
The utility model independent suspension steering-drive bridge, wherein said hydro-pneumatic spring one end is connected with described lower swing arm, and one end is connected with the journal stirrup of the vehicle frame of automobile.
The utility model independent suspension steering-drive bridge, wherein said lower swing arm is arranged on the position near bottom on the sidewall of described steering swivel.
The utility model independent suspension steering-drive bridge, wherein said top link and described lower swing arm are connected with described steering swivel by bulb respectively.
The utility model independent suspension steering-drive bridge, wherein said oscillating arm bracket is connected with the journal stirrup of described vehicle frame by bolt.
The utility model independent suspension steering-drive bridge, wherein said drg is drum brake mechanism.
The utility model provides a kind of automobile, comprises independent suspension steering-drive bridge, and described independent suspension steering-drive bridge is the independent suspension steering-drive bridge described in above-mentioned middle any one.
The independent suspension steering-drive bridge that the utility model provides comprises universal joint shaft, top link, lower swing arm, oscillating arm bracket, hydro-pneumatic spring, main gearbox assembly and wheel reduction gear assembly.Wheel reduction gear assembly comprises steering swivel and drg.One end of universal joint shaft is connected with the output flange of main gearbox assembly, and the other end is connected with the semiaxis of wheel reduction gear assembly.Wherein, universal joint shaft is double cardan universal joint transmission shaft.
The between centers angle of the double cardan universal joint transmission shaft in the utility model independent suspension steering-drive bridge is larger, can reach 43 degree, and the reliability of double cardan universal joint is higher.
Below in conjunction with accompanying drawing, independent suspension steering-drive bridge of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model independent suspension steering-drive bridge;
Fig. 2 is the cutaway view of the wheel reduction gear assembly in the utility model;
Fig. 3 is the structural representation of the wheel reduction gear assembly in the utility model.
In Fig. 1-Fig. 3:
Main gearbox assembly-1, hydro-pneumatic spring-2, wheel reduction gear assembly-3, top link-4, steering swivel-5, lower swing arm-6, oscillating arm bracket-7, drum brake mechanism-8, double cardan universal joint transmission shaft-9.
The specific embodiment
Automobile as herein described can comprise cross-country car, picking-up vehicle, heavy goods vehicles or car etc.
As shown in Figure 1, Figure 2 and Figure 3, the independent suspension steering-drive bridge that the utility model provides comprises universal joint shaft, top link 4, lower swing arm 6, oscillating arm bracket 7, hydro-pneumatic spring 2, main gearbox assembly 1 and wheel reduction gear assembly 3.Wheel reduction gear assembly 3 comprises steering swivel 5 and drg.One end of universal joint shaft is connected with the output flange of main gearbox assembly 1, and the other end is connected with the semiaxis of wheel reduction gear assembly.Of the present utility model focusing on, universal joint shaft is double cardan universal joint transmission shaft 9.That is to say that the universal-joint that transmission shaft uses is double cardan universal joint.
With respect to prior art, the utility model has the advantages that: the between centers angle of double cardan universal joint transmission shaft 9 is larger, can reach 43 degree, and the reliability of double cardan universal joint is higher.
Double cardan universal joint transmission shaft 9 with the connection mode of the semiaxis of wheel reduction gear assembly 3 is: be connected with the semiaxis of wheel reduction gear assembly 3 by spline.Double cardan universal joint transmission shaft 9 with the connection mode of the output flange of main gearbox assembly 1 is: be connected with the output flange of main gearbox assembly 1 by two key bearing seats.
So arrange, can improve double cardan universal joint transmission shaft 9 transmitting torques, functional reliability improves, and the performance of independent suspension steering-drive bridge improves, and the performance of automobile is improved.
Two key bearing seats just refer to and on the position being connected with double cardan universal joint transmission shaft 9 at bearing seat, are provided with two keyways, and double cardan universal joint transmission shaft 9 is arranged on two key bearing seats by two keys.Two key bearing seats are provided with mounting flange, and two key bearing seats are connected with the output flange of main gearbox assembly 1 by mounting flange.
Certainly, double cardan universal joint transmission shaft 9 also can be connected with the semiaxis of wheel reduction gear assembly 3 or the output flange of main gearbox assembly 1 by bearing pin etc.
Preferably, one end of hydro-pneumatic spring 2 is arranged on lower swing arm 6, and one end is arranged on the journal stirrup of vehicle frame of automobile.So arrange, the barycenter of independent suspension steering-drive bridge is reduced, can effectively prevent the phenomenons such as automobile roll deflection, improved the crossing ability of automobile, be applicable to multiple road; And barycenter reduction, also the height of automobile can be heightened, make the inside of automobile broader; Can realize the automatic adjustment height function of vehicle frame, to adapt to different job requirements.
Further, lower swing arm 6 is arranged on the position near bottom on the sidewall of steering swivel 5.So arrange, can make to beat on the wheel of automobile or under wheelspan while jumping to the limit change, Camber angle changes minimumly, improved road-holding property and the stability of independent suspension steering-drive bridge.
Lower swing arm 6 and top link 4 are all connected with steering swivel 5 by bulb.So arrange, can improve the fastness of connection, further improve the performance of independent suspension steering-drive bridge.
Oscillating arm bracket 7 is connected with the journal stirrup of vehicle frame by bolt.So arrange, can make structure simpler, and be easy to assembling and dismounting independent suspension, reduced work capacity.
The drg of wheel reduction gear assembly 3 is preferentially selected drum brake mechanism 8.The lock torque of drum brake mechanism 8 is large, can improve the deceleration and stopping performance of automobile.
The hard spot design of the independent suspension of independent suspension steering-drive bridge adopts space mechanism's method optimal design.Space mechanism's method be exactly the above point of beating, under beat point, left steering point and right steering put these four points and programme for foundation, each hard spot of independent suspension is optimized to design.
The chassis of the independent suspension steering-drive bridge that employing the utility model provides can meet compared with high maneuverability, compared with the requirement of the Combination property such as high ride, higher operability; Can meet the requirement of the large corner of wheel, large jerk value; When wheel bob arrives the limit, the variation of wheelspan is little, the variation of bus or train route camber angle is little; Wheel additional rotation angle in the time beating is little; The road clearance on chassis is large, can under various road conditions, realize vehicle smooth-ride, has improved manoevreability, the ride comfort and handling of automobile; Can realize vehicle frame automatic adjustment height function, adapt to the operating needs under the complex working condition of chassis.
The utility model also provides a kind of automobile, comprises independent suspension steering-drive bridge.Independent suspension steering-drive bridge is the independent suspension steering-drive bridge described in above-mentioned any one.The beneficial effect that independent suspension steering-drive bridge has, this automobile all has, and repeats no more herein.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (8)
1. an independent suspension steering-drive bridge, comprise universal joint shaft, top link (4), lower swing arm (6), oscillating arm bracket (7), hydro-pneumatic spring (2), main gearbox assembly (1) and wheel reduction gear assembly (3), described wheel reduction gear assembly (3) comprises steering swivel (5) and drg, one end of described universal joint shaft is connected with the semiaxis of described wheel reduction gear assembly (3), the other end is connected with the output flange of described main gearbox assembly (1), it is characterized in that: described universal joint shaft is double cardan universal joint transmission shaft (9).
2. independent suspension steering-drive bridge according to claim 1, it is characterized in that: described double cardan universal joint transmission shaft (9) is connected with the semiaxis of described wheel reduction gear assembly (3) by spline, be connected with the output flange of described main gearbox assembly (1) by two key bearing seats.
3. independent suspension steering-drive bridge according to claim 2, is characterized in that: described hydro-pneumatic spring (2) one end is connected with described lower swing arm (6), and one end is connected with the journal stirrup of the vehicle frame of automobile.
4. independent suspension steering-drive bridge according to claim 3, is characterized in that: described lower swing arm (6) is arranged on the position near bottom on the sidewall of described steering swivel (5).
5. independent suspension steering-drive bridge according to claim 4, is characterized in that: described top link (4) and described lower swing arm (6) are connected with described steering swivel (5) by bulb respectively.
6. independent suspension steering-drive bridge according to claim 5, is characterized in that: described oscillating arm bracket (7) is connected with the journal stirrup of described vehicle frame by bolt.
7. according to the independent suspension steering-drive bridge described in any one in claim 1-6, it is characterized in that: described drg is drum brake mechanism (8).
8. an automobile, comprises independent suspension steering-drive bridge, it is characterized in that: described independent suspension steering-drive bridge is the independent suspension steering-drive bridge described in any one in claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320687443.3U CN203637489U (en) | 2013-11-01 | 2013-11-01 | Independent suspension steering drive axle and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320687443.3U CN203637489U (en) | 2013-11-01 | 2013-11-01 | Independent suspension steering drive axle and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203637489U true CN203637489U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320687443.3U Expired - Lifetime CN203637489U (en) | 2013-11-01 | 2013-11-01 | Independent suspension steering drive axle and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203637489U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105966182A (en) * | 2016-05-30 | 2016-09-28 | 重庆科鑫三佳车辆技术有限公司 | Novel passenger car chassis power platform |
| CN106043465A (en) * | 2016-05-30 | 2016-10-26 | 重庆科鑫三佳车辆技术有限公司 | Long-wheelbase low-floor light-weight fully independent suspension passenger car |
| CN107984497A (en) * | 2017-12-19 | 2018-05-04 | 重庆飞特车辆技术有限公司 | A kind of transmission device of wheeled robot |
| CN108852660A (en) * | 2018-07-17 | 2018-11-23 | 郜鹏 | A kind of front wheel suspension structure of electric wheelchair |
| CN108852663A (en) * | 2018-07-17 | 2018-11-23 | 郜鹏 | A kind of electric wheelchair |
| WO2019062860A1 (en) * | 2017-09-29 | 2019-04-04 | 比亚迪股份有限公司 | Steering drive axle assembly and vehicle |
| CN109677262A (en) * | 2019-01-23 | 2019-04-26 | 方盛车桥（柳州）有限公司 | Centralized electric drive independent suspension rear axle |
| CN111231579A (en) * | 2020-01-15 | 2020-06-05 | 西华大学 | All-wheel drive type electric motor coach steering drive axle |
| CN111716958A (en) * | 2020-05-08 | 2020-09-29 | 山东省农业机械科学研究院 | Suspension type steering drive axle, vehicle and control method thereof |
-
2013
- 2013-11-01 CN CN201320687443.3U patent/CN203637489U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043465A (en) * | 2016-05-30 | 2016-10-26 | 重庆科鑫三佳车辆技术有限公司 | Long-wheelbase low-floor light-weight fully independent suspension passenger car |
| CN105966182B (en) * | 2016-05-30 | 2018-04-06 | 重庆科鑫三佳车辆技术有限公司 | A kind of bus chassis power platform |
| CN105966182A (en) * | 2016-05-30 | 2016-09-28 | 重庆科鑫三佳车辆技术有限公司 | Novel passenger car chassis power platform |
| WO2019062860A1 (en) * | 2017-09-29 | 2019-04-04 | 比亚迪股份有限公司 | Steering drive axle assembly and vehicle |
| CN107984497A (en) * | 2017-12-19 | 2018-05-04 | 重庆飞特车辆技术有限公司 | A kind of transmission device of wheeled robot |
| CN108852663A (en) * | 2018-07-17 | 2018-11-23 | 郜鹏 | A kind of electric wheelchair |
| CN108852660A (en) * | 2018-07-17 | 2018-11-23 | 郜鹏 | A kind of front wheel suspension structure of electric wheelchair |
| CN108852663B (en) * | 2018-07-17 | 2020-04-10 | 郜鹏 | Electric wheelchair |
| CN108852660B (en) * | 2018-07-17 | 2020-04-24 | 冯英 | Front wheel suspension structure of electric wheelchair |
| CN109677262A (en) * | 2019-01-23 | 2019-04-26 | 方盛车桥（柳州）有限公司 | Centralized electric drive independent suspension rear axle |
| CN109677262B (en) * | 2019-01-23 | 2024-06-11 | 方盛车桥（柳州）有限公司 | Centralized electrically driven independent suspension rear axle |
| CN111231579A (en) * | 2020-01-15 | 2020-06-05 | 西华大学 | All-wheel drive type electric motor coach steering drive axle |
| CN111716958A (en) * | 2020-05-08 | 2020-09-29 | 山东省农业机械科学研究院 | Suspension type steering drive axle, vehicle and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |