CN103057371A - Vehicular independent suspension device with air springs - Google Patents
Vehicular independent suspension device with air springs Download PDFInfo
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- CN103057371A CN103057371A CN2013100042442A CN201310004244A CN103057371A CN 103057371 A CN103057371 A CN 103057371A CN 2013100042442 A CN2013100042442 A CN 2013100042442A CN 201310004244 A CN201310004244 A CN 201310004244A CN 103057371 A CN103057371 A CN 103057371A
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- control arm
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- lower control
- upper suspension
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Abstract
The invention discloses a vehicular independent suspension device with air springs. The vehicular independent suspension device with the air springs comprises four control arms, the two air springs, two dampers, two steering knuckle arms, two steering knuckles, a steering gear, two steering limiters, two height control valves, four control arm ball pins and two steering ball pins. The four control arms are a first upper control arm, a first lower control arm, a second upper control arm and a second lower control arm respectively, wherein the first upper control arm and the first lower control arm are arranged on one side of a frame, and the second upper control arm and the second lower control arm are arranged on the other side of the frame. The vehicular independent suspension device with the air springs has the advantages that vehicle riding comfort and control stability can be improved, damage to pavements caused by overload vehicles is reduced, service lives of the air springs are prolonged, and suspension arrangement space is decreased.
Description
Technical field
The invention belongs to the vehicular spare parts technical field, relate to a kind of independent suspension frame unit, relate in particular to a kind of automobile air spring independent suspension frame unit.
Background technology
The front suspension form that present 7 meters-8 meters passenger vehicles adopt is independent suspension with torsion bar, and its shortcoming is limited by torsion bar length by spring stiffness, and needs enough arrangement space, and arrangement space is limited by the width of vehicle frame and wheelspan.
In addition, common air bellow arrangement is that piston is coaxial with leather bag at present, and all perpendicular to ground, this kind layout is unfavorable for bringing into play the effect of air bellow, and has affected the service life of air bellow.Go back the independent suspension that nobody adopts air spring type at 7 meters-8 meters passenger vehicle front suspensions at present in form.
In view of this, nowadays in the urgent need to designing a kind of new independent suspension apparatus of automobile, to overcome the deficiency of existing draft hitch.
Summary of the invention
Technical matters to be solved by this invention is: a kind of automobile air spring independent suspension frame unit is provided, can improve the ride comfort of Vehicle Driving Cycle and the stability of manipulation, alleviate simultaneously the damage of heavy-duty vehicle road pavement, improve the service life of air bellow, and reduce the space of arranging that suspension is used.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of automobile air spring independent suspension frame unit, described draft hitch comprises: four Control arms, two air bellows, two shock absorbers, two track arms, two steering swivels, deflector, two limiting steering devices, two height-control valves, four Control arm ball pins, two turn to ball pin;
Described four Control arms are respectively the first upper suspension arm, the first Lower control arm, the second upper suspension arm, the second Lower control arm; Described the first upper suspension arm, the first Lower control arm are arranged at a side of vehicle frame, and the second upper suspension arm, the second Lower control arm are arranged at the opposite side of vehicle frame;
Described four Control arm ball pins are respectively the first upper suspension arm ball pin, the first Lower control arm ball pin, the second upper suspension arm ball pin, the second Lower control arm ball pin, and described two steering swivels are respectively the first steering swivel, the second steering swivel;
Described the first upper suspension arm, the first Lower control arm are connected with the first steering swivel by the first upper suspension arm ball pin, the first Lower control arm ball pin, and the second upper suspension arm, the second Lower control arm are connected with the second steering swivel by the second upper suspension arm ball pin, the second Lower control arm ball pin;
One end of two air bellows is separately fixed in the first upper suspension arm, the second upper suspension arm by fixed mechanism respectively, and the other end is fixedly on the vehicle frame; Two height adjusting valves are arranged on the vehicle frame;
One end of two shock absorbers is arranged on the first Lower control arm, the second Lower control arm, and the other end is fixed on the vehicle frame;
Described deflector is fixed on the vehicle frame, and is connected with track arm, and deflector is carried out limiting steering by the limiting steering device, and two limiting steering devices are separately fixed on the corresponding steering swivel; Two track arms are separately fixed on the corresponding steering swivel.
As a preferred embodiment of the present invention, described draft hitch also comprises some ball pivots; One end of described the first upper suspension arm, the first Lower control arm is connected with the first steering swivel by the first upper suspension arm ball pin, the first Lower control arm ball pin respectively, and the other end of the first upper suspension arm, the first Lower control arm is connected with vehicle frame by ball pivot respectively; One end of described the second upper suspension arm, the second Lower control arm is connected with the second steering swivel by the second upper suspension arm ball pin, the second Lower control arm ball pin respectively; The other end of the second upper suspension arm, the second Lower control arm is connected with vehicle frame by ball pivot respectively; Constructional feature and arrangement by described four Control arms are determined wheel alignment parameter, transmit simultaneously longitudinal force and the side force of automobile.
As a preferred embodiment of the present invention, the lower end of two air bellows is separately fixed in left and right two upper suspension arms by bolt, and the upper end is fixedly on the vehicle frame.
As a preferred embodiment of the present invention, deflector is bolted on the vehicle frame, and the limiting steering device is bolted on the steering swivel, and track arm is bolted on the steering swivel.
As a preferred embodiment of the present invention, the angled layout of the piston in the described air bellow and leather bag.
As a preferred embodiment of the present invention, two air bellows are bearing deadweight and the load of automobile first half, play mitigation and suppress uneven road surface to the impact of car body.
As a preferred embodiment of the present invention, two height-control valves are installed on the vehicle frame, auto body be subject to impacting pitch in, can regulate air pressure in the air bellow by height adjusting valve, thereby regulate the spring stiffness of air bellow, keep bodywork height constant.
As a preferred embodiment of the present invention, described two shock absorber lower ends are fixed on the first Lower control arm, the second Lower control arm, its upper end is fixed on the vehicle frame, but when auto body is subject to road shocks and pitches the energy of absorption portion, accelerate the vibration of decay vehicle body.
Beneficial effect of the present invention is: the automobile air spring independent suspension frame unit that the present invention proposes, with the elastic element of air bellow as suspension, and piston and the leather bag of air bellow are the angle layout, have mainly solved the existing defective of above-mentioned existing suspension technology.Because air bellow has the change stiffness characteristics, easily obtain lower oscillation frequency, the natural frequency that is made of vibrating isolation system air bellow is almost constant when load change, and can automatically avoid resonance, thereby the inhibition resonance amplitude, and then obtain good riding comfort, and can car body highly be remained unchanged under any load, the application of air spring also can make the nonspring carried mass of suspension reduce simultaneously, more is conducive to the raising of the smooth-going row of running car; Piston and leather bag are the air bellow that angle is arranged, when jumping to the limit on the wheel, piston is just in time coaxial with leather bag, have improved the work efficiency of buffer limit piece in the leather bag, and the service life of having improved air bellow.This scheme has improved the ride comfort of Vehicle Driving Cycle and the stability of manipulation in a word, and the damage that can also alleviate the heavy-duty vehicle road pavement also improves the service life of air bellow simultaneously, and has reduced to arrange the used space of suspension, is conducive to main engine plants and carries out master layout.
Description of drawings
Fig. 1 is the structural representation of automobile air spring loaded independent suspension frame unit of the present invention.
The accompanying drawing mark is as follows:
1, air bellow; 2, upper left Control arm;
3, Control arm ball pin; 4, steering swivel;
5, turn to ball pin; 6, track arm;
7, lower-left Control arm; 8, limiting steering device;
9, bottom right Control arm; 10, ball pivot;
11, shock absorber; 12, upper right Control arm;
13, height-control valve; 14, deflector.
The specific embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 1, the present invention has disclosed a kind of automobile air spring independent suspension frame unit, and in the present embodiment, draft hitch is introduced the present invention take the two transverse arm independent front suspensions of a 7-8 rice air spring type as example, and the present invention can also use as other suspensions.
Described automobile air spring loaded double cross arm independent suspension device comprise a upper left Control arm 2, lower-left Control arm 7, upper right Control arm 12, bottom right Control arm 9, two air bellows 1, two shock absorbers 11, two track arms 6, two steering swivels 4, deflector 14, two limiting steering devices 8, two height adjusting valves 13, eight ball pivots 10, four Control arm ball pins 3, two turn to ball pin 5.
Wherein, described upper left Control arm 2, upper right Control arm 12 are arranged in the both sides of vehicle frame, are carrying respectively two air bellows 1.Described lower-left Control arm 7, bottom right Control arm 9 are arranged in the both sides of vehicle frame, are carrying respectively simultaneously two shock absorbers 11.
Described upper left Control arm 2, lower-left Control arm 7 are connected with a steering swivel 4 by a Control arm ball pin 3 respectively, and described upper right Control arm 12, bottom right Control arm 9 are connected with another steering swivel 4 by a Control arm ball pin 3 respectively; Four Control arms 2,7,9,12 the other end are connected with vehicle frame by ball pivot 10 respectively.Determine Front wheel Alignment Parameters by described four Control arms 2,7,9,12 constructional feature and arrangement, transmit simultaneously longitudinal force and the side force of passenger vehicle.
Described two air bellow 1 lower ends are fixed on upper left Control arm 2, the upper right Control arm 12, and the upper end is fixed on the vehicle frame; Two air bellows 1 are bearing deadweight and the load of automobile first half, play mitigation and suppress uneven road surface to the impact of car body.
Described two height-control valves 13 are installed on the vehicle frame, auto body be subject to impacting pitch in, can regulate air pressure in the air bellows 1 by height adjusting valve 13, thereby regulate the spring stiffness of air bellow 1, keep bodywork height constant.
Described two shock absorber 11 lower ends are fixed on the left and right Lower control arm 7,9, and its upper end is fixed on the vehicle frame, but when auto body is subject to road shocks and pitches the energy of absorption portion, accelerate the vibration of decay vehicle body.
In sum, the automobile air spring independent suspension frame unit that the present invention proposes with the elastic element of air bellow as suspension, and is the angle layout with the piston of air bellow with leather bag, has mainly solved the existing defective of above-mentioned existing suspension technology.Because air bellow has the change stiffness characteristics, easily obtain lower oscillation frequency, the natural frequency that is made of vibrating isolation system air bellow is almost constant when load change, and can automatically avoid resonance, thereby the inhibition resonance amplitude, and then obtain good riding comfort, and can car body highly be remained unchanged under any load, the application of air spring also can make the nonspring carried mass of suspension reduce simultaneously, more is conducive to the raising of the smooth-going row of running car; Piston and leather bag are the air bellow that angle is arranged, when jumping to the limit on the wheel, piston is just in time coaxial with leather bag, have improved the work efficiency of buffer limit piece in the leather bag, and the service life of having improved air bellow.This scheme has improved the ride comfort of Vehicle Driving Cycle and the stability of manipulation in a word, and the damage that can also alleviate the heavy-duty vehicle road pavement also improves the service life of air bellow simultaneously, and has reduced to arrange the used space of suspension, is conducive to main engine plants and carries out master layout.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that do not break away from spirit of the present invention or essential characteristic, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.In the situation that do not break away from the scope of the invention and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (8)
1. automobile air spring independent suspension frame unit, it is characterized in that, described draft hitch comprises: four Control arms, two air bellows, two shock absorbers, two track arms, two steering swivels, deflector, two limiting steering devices, two height-control valves, four Control arm ball pins, two turn to ball pin;
Described four Control arms are respectively the first upper suspension arm, the first Lower control arm, the second upper suspension arm, the second Lower control arm; Described the first upper suspension arm, the first Lower control arm are arranged at a side of vehicle frame, and the second upper suspension arm, the second Lower control arm are arranged at the opposite side of vehicle frame;
Described four Control arm ball pins are respectively the first upper suspension arm ball pin, the first Lower control arm ball pin, the second upper suspension arm ball pin, the second Lower control arm ball pin, and described two steering swivels are respectively the first steering swivel, the second steering swivel;
Described the first upper suspension arm, the first Lower control arm are connected with the first steering swivel by the first upper suspension arm ball pin, the first Lower control arm ball pin respectively, and the second upper suspension arm, the second Lower control arm are connected with the second steering swivel by the second upper suspension arm ball pin, the second Lower control arm ball pin respectively;
One end of two air bellows is separately fixed in the first upper suspension arm, the second upper suspension arm by fixed mechanism respectively, and the other end is fixedly on the vehicle frame; Two height adjusting valves are arranged on the vehicle frame;
One end of two shock absorbers is arranged on the first Lower control arm, the second Lower control arm, and the other end is fixed on the vehicle frame;
Described deflector is fixed on the vehicle frame and with track arm and is connected, and deflector is carried out limiting steering by the limiting steering device, and two limiting steering devices are separately fixed on the corresponding steering swivel; Two track arms are separately fixed on the corresponding steering swivel.
2. automobile air spring independent suspension frame unit according to claim 1 is characterized in that:
Described draft hitch also comprises some ball pivots;
One end of described the first upper suspension arm, the first Lower control arm is connected with the first steering swivel by the first upper suspension arm ball pin, the first Lower control arm ball pin, and the other end of the first upper suspension arm, the first Lower control arm is connected with vehicle frame by ball pivot respectively;
One end of described the second upper suspension arm, the second Lower control arm is connected with the second steering swivel by the second upper suspension arm ball pin, the second Lower control arm ball pin; The other end of the second upper suspension arm, the second Lower control arm is connected with vehicle frame by ball pivot respectively;
Constructional feature and arrangement by described four Control arms are determined wheel alignment parameter, transmit simultaneously longitudinal force and the side force of automobile.
3. automobile air spring independent suspension frame unit according to claim 1 is characterized in that:
The lower end of two air bellows is separately fixed in left and right two upper suspension arms by bolt, and the upper end is fixedly on the vehicle frame.
4. automobile air spring independent suspension frame unit according to claim 1 is characterized in that:
Deflector is bolted on the vehicle frame, and the limiting steering device is bolted on the steering swivel, and track arm is bolted on the steering swivel.
5. automobile air spring independent suspension frame unit according to claim 1 is characterized in that:
The angled layout of piston in the described air bellow and leather bag.
6. automobile air spring independent suspension frame unit according to claim 1 is characterized in that:
Two air bellows are bearing deadweight and the load of automobile first half, play mitigation and suppress uneven road surface to the impact of car body.
7. automobile air spring independent suspension frame unit according to claim 1 is characterized in that:
Two height-control valves are installed in respectively on the vehicle frame, auto body be subject to impacting pitch in, can regulate air pressure in the air bellow by height adjusting valve, thereby regulate the spring stiffness of air bellow, keep bodywork height constant.
8. automobile air spring independent suspension frame unit according to claim 1 is characterized in that:
Described two shock absorber lower ends are fixed on the first Lower control arm, the second Lower control arm, and its upper end is fixed on the vehicle frame, but when auto body is subject to road shocks and pitches the energy of absorption portion, accelerate the vibration of decay vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100042442A CN103057371A (en) | 2013-01-07 | 2013-01-07 | Vehicular independent suspension device with air springs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100042442A CN103057371A (en) | 2013-01-07 | 2013-01-07 | Vehicular independent suspension device with air springs |
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| Publication Number | Publication Date |
|---|---|
| CN103057371A true CN103057371A (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100042442A Pending CN103057371A (en) | 2013-01-07 | 2013-01-07 | Vehicular independent suspension device with air springs |
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| Country | Link |
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| CN (1) | CN103057371A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105252982A (en) * | 2015-10-16 | 2016-01-20 | 东风扬子江汽车(武汉)有限责任公司 | Four-wheel independent suspension system and vehicle |
| CN106976368A (en) * | 2017-05-15 | 2017-07-25 | 厦门金龙联合汽车工业有限公司 | A kind of achievable independent suspension frame unit for turning to driving function |
| CN112692874A (en) * | 2020-12-23 | 2021-04-23 | 太仓臻溢科技有限公司 | Suspension device for mobile robot and working method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5782484A (en) * | 1996-05-14 | 1998-07-21 | Chrysler Corporation | Short long arm independent suspension |
| US20090020973A1 (en) * | 2007-07-16 | 2009-01-22 | Tuthill Corporation | Independent Suspension Assembly |
| CN201346970Y (en) * | 2008-12-16 | 2009-11-18 | 上海科曼车辆部件系统有限公司 | Front independent suspension system for light and medium buses |
| CN201538206U (en) * | 2009-10-13 | 2010-08-04 | 北汽福田汽车股份有限公司 | Front independent suspension system and automobile provided with front independent suspension system |
| CN102673338A (en) * | 2012-06-01 | 2012-09-19 | 上海瑞尔实业有限公司 | Single-wishbone type independent front suspension for cars |
-
2013
- 2013-01-07 CN CN2013100042442A patent/CN103057371A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5782484A (en) * | 1996-05-14 | 1998-07-21 | Chrysler Corporation | Short long arm independent suspension |
| US20090020973A1 (en) * | 2007-07-16 | 2009-01-22 | Tuthill Corporation | Independent Suspension Assembly |
| CN201346970Y (en) * | 2008-12-16 | 2009-11-18 | 上海科曼车辆部件系统有限公司 | Front independent suspension system for light and medium buses |
| CN201538206U (en) * | 2009-10-13 | 2010-08-04 | 北汽福田汽车股份有限公司 | Front independent suspension system and automobile provided with front independent suspension system |
| CN102673338A (en) * | 2012-06-01 | 2012-09-19 | 上海瑞尔实业有限公司 | Single-wishbone type independent front suspension for cars |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105252982A (en) * | 2015-10-16 | 2016-01-20 | 东风扬子江汽车(武汉)有限责任公司 | Four-wheel independent suspension system and vehicle |
| CN106976368A (en) * | 2017-05-15 | 2017-07-25 | 厦门金龙联合汽车工业有限公司 | A kind of achievable independent suspension frame unit for turning to driving function |
| CN112692874A (en) * | 2020-12-23 | 2021-04-23 | 太仓臻溢科技有限公司 | Suspension device for mobile robot and working method thereof |
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Application publication date: 20130424 |