CN102975613A - Independent suspension structure for driving bridge - Google Patents
Independent suspension structure for driving bridge Download PDFInfo
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- CN102975613A CN102975613A CN2012105771957A CN201210577195A CN102975613A CN 102975613 A CN102975613 A CN 102975613A CN 2012105771957 A CN2012105771957 A CN 2012105771957A CN 201210577195 A CN201210577195 A CN 201210577195A CN 102975613 A CN102975613 A CN 102975613A
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- wheel hub
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Abstract
The invention relates to an air suspension for a car, in particular to an independent suspension structure for a driving bridge. The independent suspension structure comprises a main reducer assembly, a car frame, a wheel hub bracket and a suspension system; the independent suspension structure is characterized in that the main reducer assembly is connected with the car frame by a supporting point, and the wheel hub bracket is connected with the main reducer assembly through upper double arms and lower double arms which are not equal in length in the suspension system. By utilizing the independent suspension structure, the non-suspension-load mass hopping following with wheels is greatly reduced and the operation stability and safety of the car can be improved.
Description
Technical field
The present invention relates to the air suspension that automobile is used, particularly a kind of independent suspension for driving axle structure.
Background technology
The rear suspension of full-sized car is the integral bridge type dependent suspension at present.Along with a lot of automobiles of the development of automotive technology particularly passenger vehicle all adopt rear-mounted engine, change common leaf spring type dependent suspension into the air spring type dependent suspension.Because suspension is a kind of elastic element system that damping vibration attenuation is arranged, its non-outstanding mounted mass (being the following quality of elastic element) has very important impact to vibration characteristic, and therefore, the non-outstanding mounted mass large vibration characteristic that heals is poorer.
In addition, traditional dependent suspension, driving engine is to be fixed on the vehicle frame together with transmission assembly with the wheel bob owing to whole vehicle bridge (containing main gearbox assembly), so just a telescopic transmission shaft must be installed between change-speed box and main reduction gear.Joint yoke is stuck when considering driving efficiency and preventing the significant bob of wheel, and this transmission shaft can not be lacked very much (between general two universal-joints distance can be less than 350 millimeters).Thereby the arrangement form of this transmission just causes the antero posterior axis load distribution unreasonable so that the passenger vehicle of 7 meters to 9 meters of head factories is difficult to wheelbase done greatly.Axle load also can only account for about 28% of gross weight before general, even less.Because front axle load is too small, causes easily motor turning out of control, more dangerous when particularly empty wagons is climbed.
Summary of the invention
In order to solve above-mentioned defective, the invention provides a kind of independent suspension for driving axle, the non-outstanding mounted mass of beating together in company with wheel can be greatly reduced, improve road-holding property and the safety of vehicle and realize that the axle axle load distributes more rational.
For achieving the above object, the present invention realizes like this.
A kind of independent suspension for driving axle structure, it comprises main gearbox assembly, vehicle frame, wheel hub holder and suspension system; It is characterized in that: this main gearbox assembly links to each other with vehicle frame by fulcrum, the wheel hub holder by in the suspension system up and down not isometric both arms link to each other with main gearbox assembly.
Described independent suspension for driving axle structure is characterized in that: the independent suspension for driving axle concrete structure comprises the suspension system that is arranged on the vehicle frame below; This suspension system includes left and right Top Crossbeam, left and right lower cross arm, air bellow and vibration damper assembly; This speed reducer assembly upper end is hinged on the vehicle frame by reducer stent, the lower end then be hinged on be positioned at the suspension system both sides with Top Crossbeam and the wheel hub holder captiveed joint in the lower cross arm outer end on; Captive joint with vehicle frame by air-bag support in this air bellow upper end, the lower end then is fixedly connected on the wheel hub holder; A hinged main gearbox assembly between this left and right Top Crossbeam and the left and right lower cross arm, this main gearbox assembly upper end is hinged on the vehicle frame by the main reduction gear support; This main gearbox assembly and driving device are in transmission connection, this driving device then and the left and right transmission shaft the inner between left and right Top Crossbeam and left and right lower cross arm be in transmission connection; Be arranged with respectively the left and right half sleeve pipe on this left and right transmission shaft, and its outer end connects respectively tire; This main gearbox assembly also is fastened on transmission assembly on the vehicle frame by elastic coupling.
Described independent suspension for driving axle structure is characterized in that: described driving device is cross-axle universal shaft driving device or coupling system.
Described independent suspension for driving axle structure is characterized in that: the described wheel is equipped with axle tube and brake clamp on the hub holder, and the wheel hub that brake disc and tire are housed is fixed on the axle tube; The brake chamber assembly is fixed on the wheel hub holder.Wherein brake clamp and brake disc are the parts of disk brake assembly.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the front view of Fig. 1.
Among the figure: 1. air bellow, 2. transmission shaft, 3. Top Crossbeam, 4. lower cross arm, 5. vehicle frame, 6. main gearbox assembly, 7. elastic coupling, 8. driving device (cross-axle universal shaft driving device), 9. the brake chamber assembly, 10. vibration damper assembly, 11. is taken turns hub holder, 12. disk brake assemblies, 13. main reduction gear supports, 14. air-bag supports, 15. shock absorber supports, 16 axle tubes.
The specific embodiment
The invention provides a kind of independent suspension for driving axle structure, its main purpose is to reduce non-outstanding mounted mass, improves road-holding property and the safety of vehicle and realize that the axle axle load distributes more rational.Comprise main gearbox assembly, vehicle frame, wheel hub holder and suspension system in its main project organization; It is characterized in that: this main gearbox assembly links to each other with vehicle frame by fulcrum, and the wheel hub holder links to each other with main gearbox assembly by the not isometric both arms of arranging up and down in the suspension system.The present invention is designed to after the independent suspension, the drive axle cancellation of non-integral, and main reduction gear is fixed on the vehicle frame together with its housing, and the non-outstanding mounted mass that so just will originally beat together in company with wheel greatly reduces.
See also Fig. 1,2, it is the structural representation of independent suspension for driving axle one preferred embodiment 1 of the present invention.As shown in the figure: it comprises the suspension system that is arranged on vehicle frame 5 belows; This suspension system includes left and right Top Crossbeam 3, left and right lower cross arm 4, air bellow 1 and vibration damper assembly 10; These speed reducer assembly 10 upper ends are hinged on the vehicle frame 5 by reducer stent 15, the lower end then be hinged on be positioned at the suspension system both sides with Top Crossbeam 3 and the wheel hub holder 11 captiveed joint in lower cross arm 4 outer ends on; Captive joint with vehicle frame 5 by air-bag support 14 in this air bellow 1 upper end, the lower end then is fixedly connected on the wheel hub holder 11; A hinged main gearbox assembly 6 between this left and right Top Crossbeam 3 and the left and right lower cross arm 4, these main gearbox assembly 6 upper ends are hinged on the vehicle frame 5 by main reduction gear support 13; This main gearbox assembly 6 is in transmission connection with cross-axle universal shaft driving device 8, and 8 of this cross-axle universal shaft drivings device and left and right transmission shaft 2 the inners between left and right Top Crossbeam 3 and left and right lower cross arm 4 are in transmission connection; Be arranged with respectively left and right half sleeve pipe 16 on this left and right transmission shaft 2, and its outer end connects respectively single wide tire; This main gearbox assembly 6 also is fastened on transmission assembly on the vehicle frame 5 by elastic coupling 7.
In addition, on the wheel hub holder 11 axle tube 16 and brake clamp are housed, the wheel hub that brake disc and tire are housed is fixed on the axle tube 16; Brake chamber assembly 9 is fixed on the wheel hub holder 11.Wherein brake clamp and brake disc are the parts of disk brake assembly 12.
Above-described embodiment has following design feature and design effect.
1, the embodiment of the invention be by on the bevel housing name a person for a particular job that main reduction gear links to each other with vehicle frame and left and right wheels be by about not isometric pair transverse arm wheel is linked to each other with bevel housing, the semiaxis of left and right disconnection borrows transmission shaft to link to each other with left and right sides wheel hub, and the non-outstanding mounted mass that so just will originally beat together in company with wheel greatly reduces.
2, the embodiment of the invention has adopted plate disc brake to replace traditional drum brake mechanism, and the weight that has not only greatly reduced car load can also be improved deceleration and stopping performance.
3, in the embodiment of the invention since main deceleration assembly, transmission assembly and engine assembly all be fixed on the same vehicle frame.During the automotive wheel bob, the possibility that has not vertically moved between each assembly, change-speed box can rigidity dock in theory with main reduction gear.But consider the problem of the aspects such as the elastic deformation of driving engine rubber bearing and accuracy of manufacture, with an elastic coupling change-speed box and main reduction gear are connected together, learnt by automobile theory, spring in the independent suspension is apart from being wheelspan, so this kind suspension pattern lateral angle rigidity is very large, can not install transverse arresting apparatus additional.
4, embodiment of the invention suspension is compared gross weight and is significantly reduced (reducing at least 100 kilograms) with traditional four gasbags dependent suspension, and this has not only improved the ride comfort of automobile, can also reduce the consumption of fuel of car load.In addition owing to adopt the elasticity drive coupling to replace telescopic transmission shaft, can be the comfort feature that short passenger vehicle (passenger vehicles that overall length is 7 meters to 9 meters) has brought cloth to be set up, wheelbase increasing, rear overhang are shortened, the axle load of antero posterior axis distributes more rational, solve easily problem out of control of automobile operation, improved its safety performance.
5, this suspension design is not isometric pair transverse arm, can accurately control the wheel alignment parameter of car load, thus improve car load control stability and safety.Reduce simultaneously wear on tyres, reduce user's use cost.
As a kind of variation, the present invention also has another embodiment, and this routine structure is substantially the same manner as Example 1, and difference is: described driving device 8 is coupler.Drive coupling is a kind of ball cage type structure, and its advantage is long service life, and reliability is high, and noise is low, is not subjected to the restriction of two cross arm structures.Thereby reduce user's use cost.Shortcoming: cost is higher, and is higher to the road conditions requirement of Vehicle Driving Cycle.
Being preferred embodiment of the present invention only in sum, is not to limit practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should be technology category of the present invention.
Claims (4)
1. independent suspension for driving axle structure, it comprises main gearbox assembly, vehicle frame, wheel hub holder and suspension system; It is characterized in that: this main gearbox assembly links to each other with vehicle frame by fulcrum, the wheel hub holder by in the suspension system up and down not isometric both arms link to each other with main gearbox assembly.
2. independent suspension for driving axle structure according to claim 1 is characterized in that: the independent suspension for driving axle concrete structure comprises the suspension system that is arranged on vehicle frame (5) below; This suspension system includes left and right Top Crossbeam (3), left and right lower cross arm (4), air bellow (1) and vibration damper assembly (10); This speed reducer assembly (10) upper end is hinged on the vehicle frame (5) by reducer stent (15), the lower end then be hinged on be positioned at the suspension system both sides with Top Crossbeam (3) and the wheel hub holder (11) captiveed joint in lower cross arm (4) outer end on; Captive joint with vehicle frame (5) by air-bag support (14) in this air bellow (1) upper end, the lower end then is fixedly connected on the wheel hub holder (11); A hinged main gearbox assembly (6) between this left and right Top Crossbeam (3) and the left and right lower cross arm (4), this main gearbox assembly (6) upper end is hinged on the vehicle frame (5) by main reduction gear support (13); This main gearbox assembly (6) and driving device (8) are in transmission connection, this driving device (8) then and left and right transmission shaft (2) the inner that is positioned between left and right Top Crossbeam (3) and the left and right lower cross arm (4) be in transmission connection; Be arranged with respectively left and right half sleeve pipe (16) on this left and right transmission shaft (2), and its outer end connects respectively tire; This main gearbox assembly (6) also is fastened on transmission assembly on the vehicle frame (5) by elastic coupling (7).
3. independent suspension for driving axle structure according to claim 2, it is characterized in that: described driving device (8) is cross-axle universal shaft driving device or coupling system.
4. according to claim 2 or 3 described independent suspension for driving axle structures, it is characterized in that: the described wheel is equipped with axle tube (16) and brake clamp on the hub holder (11), and the wheel hub that brake disc and tire are housed is fixed on the axle tube (16); Brake chamber assembly (9) is fixed on the wheel hub holder (11); Wherein brake clamp and brake disc are the parts of disk brake assembly (12).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105771957A CN102975613A (en) | 2012-12-27 | 2012-12-27 | Independent suspension structure for driving bridge |
| DE212013000237.8U DE212013000237U1 (en) | 2012-12-27 | 2013-07-01 | Independent wheel suspension for a final drive |
| PCT/CN2013/000805 WO2014101257A1 (en) | 2012-12-27 | 2013-07-01 | Independent suspension structure for drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105771957A CN102975613A (en) | 2012-12-27 | 2012-12-27 | Independent suspension structure for driving bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102975613A true CN102975613A (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105771957A Pending CN102975613A (en) | 2012-12-27 | 2012-12-27 | Independent suspension structure for driving bridge |
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| CN (1) | CN102975613A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158540A (en) * | 2013-03-29 | 2013-06-19 | 上海瑞尔实业有限公司 | Transmission mechanism of passenger car rear axle independent suspension frame |
| CN103661640A (en) * | 2013-12-06 | 2014-03-26 | 金龙联合汽车工业（苏州）有限公司 | Novel chassis back module multi-functional car with superlarge interior space |
| WO2014101259A1 (en) * | 2012-12-27 | 2014-07-03 | 上海瑞尔实业有限公司 | Independent suspension for single wide tire drive axle |
| WO2014101257A1 (en) * | 2012-12-27 | 2014-07-03 | 上海瑞尔实业有限公司 | Independent suspension structure for drive axle |
| CN103935203A (en) * | 2014-04-14 | 2014-07-23 | 同济大学 | Unequal-length double-trailing-arm suspension wheel side electric driving system |
| CN103950470A (en) * | 2014-04-22 | 2014-07-30 | 江西凯马百路佳客车有限公司 | Steering system structure with front engine to match with independent air suspension |
| CN105711363A (en) * | 2016-02-23 | 2016-06-29 | 江苏瑞江车辆系统有限公司 | Automobile plate spring double-wishbone type independent rear suspension |
| CN109050187A (en) * | 2018-10-12 | 2018-12-21 | 核心驱动科技（金华）有限公司 | Commercial vehicle, independent suspension structure and suspension support arms |
| CN112960035A (en) * | 2021-03-29 | 2021-06-15 | 徐州重型机械有限公司 | Steering mechanism and independent suspension system |
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| US20030184038A1 (en) * | 2002-03-27 | 2003-10-02 | Smith Mark C. | Semi-independent swing arm suspension system for a low floor vehicle |
| CN201371721Y (en) * | 2009-01-08 | 2009-12-30 | 上海锦奔汽车系统有限公司 | Independent type front air suspension for medium-sized bus and highway bus |
| CN201415596Y (en) * | 2009-06-07 | 2010-03-03 | 陈建生 | Vehicle front wheel independent suspension device |
| CN201824820U (en) * | 2010-09-30 | 2011-05-11 | 方盛车桥（柳州）有限公司 | Large-fall independent suspension front axle assembly |
| CN102303521A (en) * | 2011-06-28 | 2012-01-04 | 上海瑞尔实业有限公司 | Independent suspension for single wide tire drive axle |
| CN203005011U (en) * | 2012-12-27 | 2013-06-19 | 上海瑞尔实业有限公司 | Independent suspension structure for driving bridge |
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2012
- 2012-12-27 CN CN2012105771957A patent/CN102975613A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030184038A1 (en) * | 2002-03-27 | 2003-10-02 | Smith Mark C. | Semi-independent swing arm suspension system for a low floor vehicle |
| CN201371721Y (en) * | 2009-01-08 | 2009-12-30 | 上海锦奔汽车系统有限公司 | Independent type front air suspension for medium-sized bus and highway bus |
| CN201415596Y (en) * | 2009-06-07 | 2010-03-03 | 陈建生 | Vehicle front wheel independent suspension device |
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| CN203005011U (en) * | 2012-12-27 | 2013-06-19 | 上海瑞尔实业有限公司 | Independent suspension structure for driving bridge |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014101259A1 (en) * | 2012-12-27 | 2014-07-03 | 上海瑞尔实业有限公司 | Independent suspension for single wide tire drive axle |
| WO2014101257A1 (en) * | 2012-12-27 | 2014-07-03 | 上海瑞尔实业有限公司 | Independent suspension structure for drive axle |
| CN103158540A (en) * | 2013-03-29 | 2013-06-19 | 上海瑞尔实业有限公司 | Transmission mechanism of passenger car rear axle independent suspension frame |
| CN103158540B (en) * | 2013-03-29 | 2016-01-13 | 上海瑞尔实业有限公司 | Transmission device on a kind of rear axle of passenger vehicle independent suspension |
| CN103661640A (en) * | 2013-12-06 | 2014-03-26 | 金龙联合汽车工业（苏州）有限公司 | Novel chassis back module multi-functional car with superlarge interior space |
| CN103935203A (en) * | 2014-04-14 | 2014-07-23 | 同济大学 | Unequal-length double-trailing-arm suspension wheel side electric driving system |
| CN103950470A (en) * | 2014-04-22 | 2014-07-30 | 江西凯马百路佳客车有限公司 | Steering system structure with front engine to match with independent air suspension |
| CN105711363A (en) * | 2016-02-23 | 2016-06-29 | 江苏瑞江车辆系统有限公司 | Automobile plate spring double-wishbone type independent rear suspension |
| CN109050187A (en) * | 2018-10-12 | 2018-12-21 | 核心驱动科技（金华）有限公司 | Commercial vehicle, independent suspension structure and suspension support arms |
| CN109050187B (en) * | 2018-10-12 | 2023-10-20 | 浙江盘毂动力科技有限公司 | Commercial vehicle, independent suspension structure and suspension support arm |
| CN112960035A (en) * | 2021-03-29 | 2021-06-15 | 徐州重型机械有限公司 | Steering mechanism and independent suspension system |
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Application publication date: 20130320 |