CN105730180A - Anti-rollover system for automobile - Google Patents
Anti-rollover system for automobile Download PDFInfo
- Publication number
- CN105730180A CN105730180A CN201610064185.1A CN201610064185A CN105730180A CN 105730180 A CN105730180 A CN 105730180A CN 201610064185 A CN201610064185 A CN 201610064185A CN 105730180 A CN105730180 A CN 105730180A
- Authority
- CN
- China
- Prior art keywords
- torsion bar
- section tooth
- torsion
- tooth
- assembly
- 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
Classifications
-
- 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
- B60G21/0553—Mounting means therefor adjustable
-
- 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
Abstract
The invention discloses an anti-rollover system for an automobile. The anti-rollover system for the automobile comprises a frame, wherein a front axle and a rear axle are arranged on the frame. The anti-rollover system for the automobile further comprises cross stabilizer bar assemblies, which are respectively arranged on the front axle and the rear axle, wherein the cross stabilizer bar assemblies are connected with the front axle and the rear axle through rocker arms; approaching sensors and metal columns are arranged on the cross stabilizer bar assemblies; and the approaching sensors are connected with an alarming device. According to the invention, the cross stabilizer bar assemblies are very economic; the turning flexibility of the cross stabilizer assemblies are effective during turning and under any situation; the anti-rollover system for the automobile has very small influence on elastic performance of the automobile under other situations; and very high comfort is ensured in running.
Description
Technical field
The present invention relates to a kind of anti-rollover system for automobiles, belong to automobile technical field.
Background technology
Nowadays large-scale senior tourist bus according to the applicant understood, heavy vehicle has weight and size is big, barycenter high, and its rollover stability limit is relatively low, it is easy to bring out rollover event.As when vehicle runs into limiting condition (such as smooth turn, avoiding barrier etc.), driver can be corrected by manipulative behaviors such as braking, turn to.But excessive dynamic load understands horizontal transfer, and driver is often detectable imminent rollover, thus causing driver to have little time to take appropriate measures, stops imminent rollover risk.Additionally then relative requirement driver experience enriches, and increases driver's burden, makes driver's psychentonia, it is easy to produces faulty operation, causes serious rollover event.In order to enable a driver to feel in advance the potential rollover risk of vehicle, and then driver is made to have time enough to take suitable operation.For this, we are developed to the dangerous early warning system of the imminent rollover of warning in advance driver and anti-side turns over the anti-rollover system of composition.
The stabiliser bar of automobile is generally used for the elastic coupling of suspension of the suspension making a wheel of the automobile side wheel corresponding with the same axis of automobile opposite side.This coupling is by also making the steel leaf spring of another wheel pressurize to compression direction when a wheel compression.Automobile is thus avoided to roll tiltedly to extra curvature when automobile turning travels, because extruding gently towards compression direction relative to vehicle frame compared with the suspension of the wheel of outside at curve on the one hand.On the contrary, when straight-line travelling, QS should not affect the elastic performance of automobile as far as possible.
If but Uneven road, wheel compression in automobile side, and the corresponding wheel of opposite side is in order to keep desirable ground wrong, must move to direction of extension, therefore driving comfort receives adverse effect owing to desiring to stabiliser bar, it is, QS tends to cancel out the wheel suspension that coupled by the QS reverse motions relative to automotive type.Therefore QS disadvantageous can cause that when straight-line travelling the vibration of a wheel is delivered on the relative wheel on same axis, thus have impact on driving comfort.
The contradiction that this safety to QS and comfortableness require can be solved by variation rigidity QS, laterally steady with a less stiffness at straight-line travelling time-varying rigidity, and when turning driving with a very big stiffness.
A such as known similar system from DE-AS1105290, QS described in DE-AS1105290 has torsion bar separately, wherein the form of each several part installation coupling fluid-structure is connected with each other, and this fluid clutch controls according to centrifugal force or motor turning.Therefore stabiliser bar just can be made by opening clutch and invalid when straight-line travelling, only connect when turning driving.Additionally it is known that each several part of torsion bar adjusts when turning driving accordingly by a servo motor from the document so that body of a motor car is smaller to the inclination outside curve, namely actively resist inclination.
The brake that a kind of known QS couples with the torsion bar separated by DE19950244C2 it is known that other brake discloses in DE374024C2.
The shortcoming of above-mentioned known QS is, QS is connected when turning driving, and for security consideration, it is often necessary to automatically quickly finish, otherwise automobile may be out of control when turning.The above-mentioned requirements of brake causes the high cost of known QS cause, and the QS that can connect cannot be used for producing vehicle in enormous quantities.
Can the QS of hand switch in addition with planting, it is particularly possible to for cross-country region, but this such as known from DE4307639C1 QS is only applicable to improve trailed model when slowly being travelled by mountain region.For security consideration, this system is not suitable for making QS connect or disconnect when travelling in normal highway, because there is the danger that QS not can turn on when turning or can not connect in time, thus automobile is absorbed in uncontrollable state.
Summary of the invention
It is an object of the invention to: for above-mentioned prior art Problems existing, it is proposed to a kind of anti-rollover system for automobiles.
In order to reach object above, one anti-rollover system for automobiles of the present invention, including vehicle frame, described vehicle frame is provided with propons and back axle；Also include the QS assembly being separately positioned on propons and back axle；Described QS assembly is connected on propons and back axle by rocking arm；Described QS assembly is provided with proximity transducer and metal column；Described proximity transducer is connected with alarm device.
Further, described QS assembly includes torsion bar, is socketed with torsion tube outside described torsion bar, and one end of described torsion tube is connected with torsion bar by spline, and the other end is connected with the section tooth adapter being arranged on torsion bar by section tooth.
Further, described section tooth adapter is welded on torsion bar.
Further, the end of described torsion tube is connected with section tooth adapter, and described torsion tube is provided with the connection tooth of the section tooth equal number of section tooth adapter, is provided with variation rigidity sideshake between described connection tooth and section tooth.
Further, described section tooth adapter is provided with proximity transducer, and described torsion tube is provided with metal column；The axis of described proximity transducer and metal column is on same straight line.
Further, described alarm device is the audible-visual annunciator being arranged on automotive interior.
One QS of the present invention, described QS assembly includes torsion bar, is socketed with torsion tube outside described torsion bar, and one end of described torsion tube is connected with torsion bar by spline, and the other end is connected with the section tooth adapter being arranged on torsion bar by section tooth；The end of described torsion tube is connected with section tooth adapter, and described torsion tube is provided with the connection tooth of the section tooth equal number of section tooth adapter, is provided with variation rigidity sideshake between described connection tooth and section tooth.
The very economical cost of QS assembly of the present invention, mobility of turning round when turning driving and under any circumstance is all enough effective, affects only small on the elastic performance of automobile in other cases, it is ensured that significantly high driving comfort.The present invention travels at its straight line, and when little inclination, proximity transducer and metal column axis are almost on same line, sensor does not have signal to export, when vehicle roll is bigger, proximity transducer and metal column axis there occurs skew, proximity transducer is sent signal and is passed to the audible-visual annunciator being arranged in driver's cabin by holding wire and send alarm signal, prompting driver, vehicle will have the danger of rollover, now driver can pass through to slow down, and adjustment direction dish controls vehicle roll further to prevent vehicle rollover.Reminded by the signal of the Roll control of QS assembly and alarm device, add driver's adjustment to vehicle attitude, it is possible to the effective rollover controlling vehicle.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is with the vehicle frame schematic configuration diagram of anti-rollover system for automobiles of the present invention.
Fig. 2 variation rigidity QS assembly schematic configuration diagram.
Fig. 3 section tooth adapter sectional schematic diagram.
Fig. 4 windup-degree and moment of torsion schematic diagram.
In figure: 1-QS assembly；11-torsion bar；12-torsion tube；13-section tooth adapter；2-vehicle frame；3-back axle；4-propons；5-rocking arm；6-proximity transducer；7-metal column；8-holding wire；9-audible-visual annunciator；10-variation rigidity sideshake；14-connects tooth；15-section tooth；16-flexible support.
Detailed description of the invention
As Figure 1-3, one anti-rollover system for automobiles of the present invention, including vehicle frame 2, described vehicle frame 2 is provided with propons 4 and back axle 3；Also include the QS assembly 1 being separately positioned on propons 4 and back axle 3；Described QS assembly 1 is connected on propons 4 and back axle 3 by Rocker arm 5；Described QS assembly 1 is provided with proximity transducer 6 and metal column 7；Described proximity transducer 6 is connected with alarm device 9.
QS assembly 1 of the present invention includes torsion bar 11, is socketed with torsion tube 12 outside described torsion bar 11, and one end of described torsion tube 12 is connected with torsion bar 11 by spline, and the other end is connected with the section tooth adapter 13 being arranged on torsion bar 11 by section tooth 15.Described section tooth adapter 13 is welded on torsion bar 11.The end of described torsion tube 12 is connected with section tooth adapter 13, and described torsion tube 12 is provided with the connection tooth 14 of section tooth 15 equal number of section tooth adapter 13, is provided with variation rigidity sideshake 10 between described connection tooth 14 and section tooth 15.Described section tooth adapter 13 is provided with proximity transducer 6, and described torsion tube 12 is provided with metal column 7；The axis of described proximity transducer 6 and metal column 7 is on same straight line.Described alarm device 9 is the audible-visual annunciator being arranged on automotive interior.
The very economical cost of QS assembly of the present invention, mobility of turning round when turning driving and under any circumstance is all enough effective, affects only small on the elastic performance of automobile in other cases, it is ensured that significantly high driving comfort.
One QS assembly of the present invention, there is a telescopic torsion bar, these torsion bar two ends be separately fixed in vehicle bridge with on vehicle frame, this torsion bar includes a torsion region and couples the spring movement relative to vehicle bridge for subangle, QS assembly includes torsion tube, one end of this torsion tube is torsionally connected on monoblock type torsion bar, and its other end can utilize that section tooth is antitorque with monoblock type torsion bar selectively to be connected, and makes the torsional rigidity of QS assembly to change.
The wheel suspension that the present invention is relative does not have completely disengaged, but only changes the torsional rigidity of QS assembly.So not requiring that section tooth arrangement of clutch is designed into the maximum twist rigidity of QS yet, and simply it is designed into the torsional rigidity of torsion tube, it is thus that section tooth device is simpler, thus cost is more economical, even if when section tooth device complete failure, the QS assembly of the present invention also can ensure the minimal elastic coupling of the elastic movement that relative wheel hangs.
Monoblock type torsion bar has the region that torsional rigidity is different, and the torsional rigidity of monoblock type torsion bar is less than the second regional area at the first regional area.(the flatter part of torsional moment line first half section is the first regional area in the diagram, and the second half section, relatively steep part was the second regional area)
Torsion tube and the section tooth device that thus can make QS of the present invention are arranged in installation site favourable on automobile aptly.
Preferably but the other end of torsion tube is that between the 30%-55% of torsional rigidity of QS, the torsional rigidity of torsion tube is between the 70%-45% of QS torsional rigidity by the torsional rigidity of section tooth device and monoblock type torsion bar.
In order to realize QS target of the present invention as reliably as possible, section tooth device preferably makes the other end of torsion tube, and according to the actual value of automobile transversal deceleration degree and/or expected value is antitorque with torsion bar is connected.So that QS disconnects automatically when automobile straight-line travelling, and automatically recombine when turning driving.
Section tooth device adopts backlash, and they can guarantee that the quick-make of section tooth, therefore, in order to closed section tooth device does not require input energy, thus makes system reliability be greatly improved.
Section tooth adapter is fixed a proximity transducer, torsion tube is fixed a metal column, when vehicle travels on straight road surface, proximity transducer and metal column almost same axis, when vehicle roll, section running clearance eliminates, proximity transducer and metal column journal offset, proximity transducer sends signal and passes to driver's cabin shake-up audible-visual annunciator by cable, and alarm driver's vehicle will have the danger that rollover occurs, it is necessary to adjusts attitude at once.
It will be seen from figure 1 that the anti-rollover system for automobiles variation rigidity QS assembly according to the present invention is how to be installed on automobile.Acousto-optic early warning assembly composition signal projector is arranged on QS assembly, and by cable, signal is sent to acoustic-optic alarm.In the example shown, it is assembled with this anti-rollover system to automobile front axle and back axle, naturally it is also possible to a vehicle bridge is installed the anti-rollover system of the present invention wherein.
Anti-rollover system variation rigidity QS assembly according to the present invention, has one and can be rotatably secured on propons or back axle, and the torsion bar being connected with vehicle frame, and torsion bar has a torsion region for the propons of Elastic Coupling or beating of back axle.This torsion region extends substantially between two rocking arms of each torsion bar.
A kind of preferred implementation of the present invention according to Fig. 2, a monoblock type variation rigidity QS assembly has a torsion bar along automobile lateral arrangement, and it is supported in the flexible support on propons or back axle and rotates.Being fixed with rocking arm on the end that torsion bar deviates from mutually; the free end of rocking arm is connected with vehicle frame; make each rocking arm axis oscillating around torsion bar in the elasticity of each vehicle bridge is beated, therefore, the different amounts of elasticity in automotive axle both sides is beated the torsion bar Elastic Coupling by having a torsion region.Torsion tube one end is connected with torsion bar by spline, and other end is connected with section tooth adapter by section tooth, and section tooth adapter can be soldered on torsion bar.
In the form of implementation shown in Fig. 2, the torsional rigidity of monoblock type torsion bar and torsion tube is selected by the size and material suitably selecting torsion bar and torsion tube, thus when the section increment of torsion tube utilizes the variation rigidity sideshake existed torsionally to be connected with torsion bar, the torsional rigidity of torsion bar is the 35% of QS assembly integral rigidity, and the torsional rigidity of torsion tube is the 65% of variation rigidity QS integral rigidity.
For this; section tooth is preferably devised to form as shown in Figure 3; section flank leaves sideshake, and the size of sideshake needs the side tilt angle size proceeding by anti-slant protection to select according to the inclination of vehicle, further needs exist for the torsional rigidity size allocation proportion with torsion bar and torsion tube and combines.So when its straight line travels, and when little inclination, utilizing section running clearance, torsion tube is not involved in reversing, and only torsion bar participates in reversing, and effect rigidity is that between the 30%-55% of integral rigidity, car load ride comfort is good, and the comfortableness of car load is unaffected.When vehicle roll angle is big, after section running clearance eliminates, torsion bar and torsion tube simultaneously participate in torsion, and effect torsional rigidity reaches 100%, and the inclination of vehicle is played inhibitory action.
In addition the variation rigidity lateral stability torsion of bar caused from vehicle roll, the as can be seen from Figure 4 relation of variation rigidity QS windup-degree and rigidity.
Additionally travel at its straight line, and when little inclination, proximity transducer and metal column 7 axis are almost on same line, sensor does not have signal to export, when vehicle roll is bigger, proximity transducer and metal column axis there occurs skew, proximity transducer is sent signal and is passed to the audible-visual annunciator being arranged in driver's cabin by holding wire and send alarm signal, prompting driver, vehicle will have the danger of rollover, now driver can pass through to slow down, and adjustment direction dish controls vehicle roll further to prevent vehicle rollover.
Reminded by the signal of the Roll control of above variation rigidity QS assembly and alarm device, add driver's adjustment to vehicle attitude, it is possible to the effective rollover controlling vehicle.
And this set Vehicle rollover mitigation system can the integral installation when new design vehicle, it is also possible to original QS installs additional upgrading on the vehicle used, and not have the addition of actively electric control system, reliability height, cost is low.It is suitable for current all motorbus, the installation of heavy goods vehicle, upgrading.
Although the preferred embodiments of the present invention being described above in association with accompanying drawing; but the invention is not restricted to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is merely schematic; rather than it is circumscribed; those of ordinary skill in the art is under the prompting of the present invention, under the premise without prejudice to invention objective and claim, it is possible to make polytype expression; as by proximity transducer and metal column installation site generation conversion etc., such conversion each falls within protection scope of the present invention.
Claims (7)
1. an anti-rollover system for automobiles, including vehicle frame (2), described vehicle frame (2) is provided with propons (4) and back axle (3)；It is characterized in that: also include the QS assembly (1) being separately positioned on propons (4) and back axle (3)；Described QS assembly (1) is connected on propons (4) and back axle (3) by rocking arm (5)；Described QS assembly (1) is provided with proximity transducer (6) and metal column (7)；Described proximity transducer (6) is connected with alarm device (9).
2. a kind of anti-rollover system for automobiles according to claim 1, it is characterized in that: described QS assembly (1) includes torsion bar (11), torsion tube (12) it is socketed with outside described torsion bar (11), one end of described torsion tube (12) is connected with torsion bar (11) by spline, and the other end is connected with section tooth adapter (13) being arranged on torsion bar (11) by section tooth (15).
3. a kind of anti-rollover system for automobiles according to claim 2, it is characterised in that: described section tooth adapter (13) is welded on torsion bar (11).
4. a kind of anti-rollover system for automobiles according to claim 2, it is characterized in that: the end of described torsion tube (12) is connected with section tooth adapter (13), described torsion tube (12) is provided with the connection tooth (14) of section tooth (15) equal number of section tooth adapter (13), is provided with variation rigidity sideshake (10) between described connection tooth (14) and section tooth (15).
5. a kind of anti-rollover system for automobiles according to claim 2, it is characterised in that: described section tooth adapter (13) is provided with proximity transducer (6), and described torsion tube (12) is provided with metal column (7)；The axis of described proximity transducer (6) and metal column (7) is on same straight line.
6. a kind of anti-rollover system for automobiles according to claim 1, it is characterised in that: described alarm device (9) is the audible-visual annunciator being arranged on automotive interior.
7. a QS, it is characterized in that: be applied to a kind of anti-rollover system for automobiles described in claim 1, described QS assembly (1) includes torsion bar (11), torsion tube (12) it is socketed with outside described torsion bar (11), one end of described torsion tube (12) is connected with torsion bar (11) by spline, and the other end is connected with section tooth adapter (13) being arranged on torsion bar (11) by section tooth (15)；The end of described torsion tube (12) is connected with section tooth adapter (13), described torsion tube (12) is provided with the connection tooth (14) of section tooth (15) equal number of section tooth adapter (13), is provided with variation rigidity sideshake (10) between described connection tooth (14) and section tooth (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610064185.1A CN105730180A (en) | 2016-01-29 | 2016-01-29 | Anti-rollover system for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610064185.1A CN105730180A (en) | 2016-01-29 | 2016-01-29 | Anti-rollover system for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105730180A true CN105730180A (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610064185.1A Pending CN105730180A (en) | 2016-01-29 | 2016-01-29 | Anti-rollover system for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105730180A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074510A (en) * | 2020-08-20 | 2022-02-22 | 奇瑞汽车股份有限公司 | Active transverse stabilizer bar control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923210A (en) * | 1989-03-28 | 1990-05-08 | Heider Merle J | Suspension and leveling system for a vehicle |
| CN202764651U (en) * | 2012-09-18 | 2013-03-06 | 咸阳西华橡胶有限公司 | Stabilizer bar bush |
| CN103171397A (en) * | 2013-04-11 | 2013-06-26 | 南京理工大学 | Variable-stiffness semi-active horizontal stabilizer bar of passenger car |
| CN203211051U (en) * | 2013-04-11 | 2013-09-25 | 浙江万向系统有限公司 | Stabilizer bar system adopting hydraulic supporting and based on rigidity adjusting device in middle of bar body |
| CN205615298U (en) * | 2016-01-29 | 2016-10-05 | 南京南汽专用车有限公司 | System of turning on one's side is prevented to car |
-
2016
- 2016-01-29 CN CN201610064185.1A patent/CN105730180A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923210A (en) * | 1989-03-28 | 1990-05-08 | Heider Merle J | Suspension and leveling system for a vehicle |
| CN202764651U (en) * | 2012-09-18 | 2013-03-06 | 咸阳西华橡胶有限公司 | Stabilizer bar bush |
| CN103171397A (en) * | 2013-04-11 | 2013-06-26 | 南京理工大学 | Variable-stiffness semi-active horizontal stabilizer bar of passenger car |
| CN203211051U (en) * | 2013-04-11 | 2013-09-25 | 浙江万向系统有限公司 | Stabilizer bar system adopting hydraulic supporting and based on rigidity adjusting device in middle of bar body |
| CN205615298U (en) * | 2016-01-29 | 2016-10-05 | 南京南汽专用车有限公司 | System of turning on one's side is prevented to car |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074510A (en) * | 2020-08-20 | 2022-02-22 | 奇瑞汽车股份有限公司 | Active transverse stabilizer bar control system |
| CN114074510B (en) * | 2020-08-20 | 2023-11-24 | 奇瑞汽车股份有限公司 | Initiative stabilizer bar control system |
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Application publication date: 20160706 |