CN201307063Y - Double-plate separate type double-steering-axle vehicle sideslip online detection device - Google Patents
Double-plate separate type double-steering-axle vehicle sideslip online detection device Download PDFInfo
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- CN201307063Y CN201307063Y CNU2008201921579U CN200820192157U CN201307063Y CN 201307063 Y CN201307063 Y CN 201307063Y CN U2008201921579 U CNU2008201921579 U CN U2008201921579U CN 200820192157 U CN200820192157 U CN 200820192157U CN 201307063 Y CN201307063 Y CN 201307063Y
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- plate
- return
- sideskid
- stage body
- sideslip
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Abstract
The utility model discloses a double plate transfer formula double steering bridge vehicle on-line measuring device that sideslips includes control system, stage body, controls the side slide and installs respectively in the stage body left and right sides, horizontal displacement detection mechanism that sideslips, side slide return mechanism through horizontal track pulley pair, the photoelectric switch of the number of times count through the wheel on stage body side-mounting offside slide. A transverse side-slipping displacement detection mechanism and a side-slipping plate return mechanism are installed on the inner side of each side slipping plate, a displacement sensor of the transverse side-slipping displacement detection mechanism is fixed on the table body, a reference top plate is installed on the inner side of each side slipping plate, a sliding contact of the displacement sensor is abutted against the reference top plate, and the initial state is a stroke middle position; the side sliding plate return mechanism comprises a spring, one end of the spring is locked by the table body, the other end of the spring is connected with a return plate, the middle position of the return plate is hinged with a shaft, and the shaft is fixed at a position, corresponding to the center of the reference top plate, on the table body; the return plate is provided with a front upright post and a rear upright post, and the two upright posts are respectively arranged at two sides of the reference top plate.
Description
Technical field
The utility model relates to a kind of pair of plate partition type double steering bridge vehicle sideslip on-line measuring device, belongs to vehicle complete vehicle security technical capability detection range.
Background technology
Along with the development of automotive engineering and transportation, the user double steering bridge automobile occurred to the demand of large-tonnage heavy vehicle, connects by complicated multi-bar linkage between two steeraxles.Because multiple factors such as mismachining tolerance, rigging errors, vehicle wheel in the process of moving can produce horizontal sideslip, and the car load steering is caused damage.The quality of skid amount control not only influences the control stability of automobile, and is directly connected to the safety of running car.
GB only has regulation to the sideslip checkout equipment and the examination criteria of single steeraxle at present, and the online dynamic detecting equipment and the relevant detection standard of double steering bridge vehicle sideslip amount are not then clearly stipulated.
In two plate linkage structures of existing equipment, vehicle to be checked is to the effect of left and right sides slide plate, in the horizontal simultaneously left or simultaneously the power on right cancel out each other, obtaining is the comprehensive lateral slip of single steeraxle, and can not get the actual sideslip amount of single wheel.And when second pair of steered wheel reached slide plate, residual volume originally added influencing each other of left and right wheels inner link, made the serious distortion of detected data, can not get breakking away accurately data.
Original sideslip online detection instrument, the sideslip that can only detect first propons, two wheels is measured, the sideslip amount of two propons, measure by extensive simple modes such as manual measurement wheelbases, efficient is low, and error is big, and measurement data can not reflect the dynamic sideslip performance of the reality of double steering bridge.
Summary of the invention
The purpose of this utility model is the horizontal sideslip amount of steered wheel that goes out the double steering bridge vehicle for online detection of dynamic, come the adjustment of guiding vehicle steering, eliminate the harm of breakking away vehicle driving safety is brought because of laterally, the online detection of dynamic of developing on the basis of summing up single for many years steeraxle sideslip detection technique of a cover energy goes out the sideslip amount of each wheel of double steering bridge, come the adjustment of guiding vehicle steering, the sideslip that is specifically designed to the double steering bridge vehicle measures the two plate partition type double steering bridge vehicle sideslip on-line measuring devices of examination.
The technical solution of the utility model: the of the present utility model pair of plate partition type double steering bridge vehicle sideslip on-line measuring device comprises that control system, stage body, left and right sides slide plate are installed in the stage body left and right sides, laterally break away displacement detecting mechanism, sideskid return mechanism respectively by cross track pulley pair, the optoelectronic switch of the inferior counting number by wheel on the stage body side is installed sideskid.
Described pair of plate partition type double steering bridge vehicle sideslip on-line measuring device, this device has adopted two plate displacement detecting mechanism and return mechanism partition type structural design, horizontal sideslip displacement detecting mechanism of installed inside and a sideskid return mechanism at every sideskid, laterally the displacement transducer of sideslip displacement detecting mechanism is fixed on the stage body, benchmark top board of the installed inside of sideskid, the slider of displacement transducer withstands on the benchmark top board, and original state is the stroke meta; The sideskid return mechanism comprises the spring of an end by the stage body locking, and the other end of spring is connected with the return plate, and the meta of return plate is hinged with axle, and axle is fixed on the position at corresponding benchmark top board center on the stage body; The be placed in both sides of benchmark top board of two root posts before and after having on the return plate, two root posts.
The beneficial effects of the utility model:
The utility model adopts the optoelectronic switch of two plate partition type structural designs and equipment, displacement transducer of installation below every slide plate, and two plates are installed in respectively on the track that can horizontally slip.Apparatus control system to passing through the counting of the number of times of wheel on the slide plate, judges that first steeraxle still is that second steeraxle passes through slide plate by optoelectronic switch.Equipment has possessed automatic recognition function like this, owing to be two plate transfer structures, can detect four lateral slips that wheel is relatively independent of double steering wheel again simultaneously.
Vehicle first front-wheel and second front-wheel be successively by sideskid, and equipment is according to the variation of the displacement transducer under the slide plate and the reasoning from logic of optoelectronic switch, the online lateral slip that detects double steering bridge vehicle wheel.
Testing process is carried out robotization.Online detection of dynamic is more near the vehicle real conditions that deflecting roller breaks away when the road traveling.
The wheel that the utility model has solved two propons is the online measuring technique of sideslip amount laterally.The measuring accuracy of sensor, by relevant canonical measure Equipment Alignment, the real conditions that can reflect vehicle strictly according to the facts exactly, with reference to detected technical data, instruct the improvement of each linkage assembly of automobile steering system to manufacture and design, the dispatch from the factory adjustment of steering of vehicle of guidance, the steering that can reduce or avoid vehicle is because of laterally break away overproof fault that causes and accident.
Thousand kilometers abnormal tyres wearing and tearing that cause because of sideslip drop to present below 1% by 35%.
Description of drawings
Fig. 1 is a general structure outside drawing of the present utility model.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is two plate partition type structural representations.
Fig. 4 is a partition type structure partial enlarged diagram.
Embodiment
As Fig. 1, Fig. 2: the utility model comprises that control system 9, stage body 1, platen 8, left and right sides slide plate 5 are installed in respectively on the stage body left and right sides by cross track pulley pair 2, laterally sideslip displacement detecting mechanism 4, sideskid return mechanism 3, lockable mechanism 7 are installed in stage body middle part platen 8 times, pass through the optoelectronic switch 6 of the inferior counting number of wheel on the stage body side is installed slide plate.Optoelectronic switch 6 is apart from the distance L=350～400mm on stage body entry side limit.Lockable mechanism 7 is when not measuring, and sideskid 5 is pinned.
Fig. 3, Fig. 4 are two plate partition type structural representations.
Laterally sideslip displacement detecting mechanism 4 and sideskid return mechanism 3 have adopted two plate partition type structural designs, at the horizontal sideslip displacement detecting mechanism 4 of installed inside and the sideskid return mechanism 3 of every sideskid 5.Laterally sideslip displacement detecting mechanism 4 comprises: displacement transducer 4.3 is fixed on the stage body, and a benchmark top board 4.2 is installed by crossbeam 4.4 in the inboard of sideskid 5, and the slider 4.1 of displacement transducer 4 withstands on the benchmark top board 4.2, and original state is the stroke meta; Sideskid return mechanism 3 comprises the spring 3.1 of an end by the stage body locking, and the other end of spring 3.1 is connected with return plate 3.2, and the hole of return plate 3.2 metas is installed bearing 3.4 and is connected with axle 3.5, and axle 3.4 is fixed on the position at corresponding benchmark top board 4.2 centers on the stage body; Two root posts 3.3, two root posts 3.3 both sides of benchmark top board 4.2 that are placed in before and after having on the return plate 3.2.
The horizontal sliding tray at the sideskid back side is buckled on the cross track pulley 1, and the displacement that horizontally slips is 10cm.Do the time spent when sideskid is subjected to the wheel lateral external forces, promote sideskid and horizontally slip along pulley.When wheel leaves, when external force disappears, under the elastic force effect of retracing spring, promote the sideskid oscillatory extinction by the column on the return plate 3.2 3.3, get back to zero-bit.
In the return of transfer sideskid connected, the left and right sides slide plate was stressed separately, and the size that produces displacement is independent of each other.The sensor slider horizontally slips with slide plate, changes sensor output signal, and the size of signal is directly proportional with slide displacement.
When pivoted wheels on vehicle passes through sideskid, the reacting force that wheel laterally breaks away promotes sideskid and horizontally slips, the slide displacement amount is measured in real time by displacement transducer, send control system 9, and the industrial computer of control system 9 is by the dynamic changing process of 100 hertz frequency collection slide displacement amount.Begun (first front-wheel passes through) when optoelectronic switch keeps off for the first time, displacement transducer produces signal to be changed.When the second deflecting roller upper slide, by the moment of optoelectronic switch 6, the slide displacement amount that collects is as the initial zero-bit of the sideslip of second steeraxle, and the increment of the slide displacement amount of subsequent acquisition is exactly the sideslip amount of second steeraxle.Outstanding feature: vehicle is carried out online detection of dynamic once by sideskid, the actual techniques situation of more can the deflecting roller of actual response vehicle when road traveling breakking away; Testing equipment adopts two plate transfer dual sensor measurement structure simultaneously, the sideslip amount mutually noninterfere of left and right wheels, and relatively independent, data are accurate, are convenient to the guiding vehicle adjustment.
1) the equipment side slide plate of double steering bridge vehicle sideslip detection is designed to transfer, floating structure, is free to slide about sideskid, and the slip starting force is not more than 20 newton.
2) every sideskid is installed the displacement transducer that horizontally slips down, and the slide plate centre position is a zero displacement point.Characteristic to sensor is demarcated, and with dial gauge a sensor Along ent displacement slippage is checked and is stored in the computing machine calibrating procedure tables of data.Each wheel upper slide produces slide displacement, and the sensor of slide plate produces the electric signal of a proportional relation respectively.
3) control module of equipment computer control system and data acquisition module are gathered the signal and the displacement transducer signal of optoelectronic switch respectively, convert digital signal to and send Computer Processing.
4) identification of first and second steeraxle sideslip amount: (wheel is kept off by the counting optoelectronic switch first time after by sideskid with low velocity when first propons, confirming as first front-wheel passes through), slide plate horizontally slips, the displacement transducer servo-actuated produces displacement signal, the sideslip amount that control system produces when measuring tested vehicle first bridge by sideskid.(wheel is kept off by the counting optoelectronic switch for the second time during side slid platform on the second bridge wheel, confirming as second front-wheel passes through), distance is not more than 0.5 second in the time that first propons passes through, when sideskid has little time to reset to mechanical zero (the sensor slider is not got back to zero-bit yet), apparatus control system is used as sideslip amount at this moment as dynamic zero-bit, dynamically measure the second bridge wheel continuously and pass through sideskid, slide plate horizontally slips and drives displacement transducer and produce new change in displacement, the sideslip amount of the variable quantity of sideskid sideslip amount Here it is the second bridge wheel.
5) sideslip of four wheels of the double steering bridge that comes out according to Equipment Inspection amount, in conjunction with in the national standard to the limit value of single steeraxle sideslip amount, the incidence relation before and after taking into full account between the bridge is formulated the examination criteria of enterprises.Online detection and adjustment with this guiding vehicle.
Claims (2)
1. two plate partition type double steering bridge vehicle sideslip on-line measuring device, comprise that control system, stage body, left and right sides slide plate are installed in the stage body left and right sides, laterally break away displacement detecting mechanism, sideskid return mechanism respectively by cross track pulley pair, is characterized in that: the optoelectronic switch of inferior counting number by wheel on the stage body side is installed sideskid.
2. according to claim 1 pair of plate partition type double steering bridge vehicle sideslip on-line measuring device, it is characterized in that: this device has adopted two plate displacement detecting mechanism and return mechanism partition type structural design, a horizontal sideslip displacement detecting mechanism of installed inside (4) and a sideskid return mechanism (3) at every sideskid, laterally the displacement transducer (4.3) of sideslip displacement detecting mechanism (4) is fixed on the stage body, a benchmark top board of the installed inside of sideskid (5) (4.2), the slider (4.1) of displacement transducer (4.3) withstands on the benchmark top board (4.2), and original state is the stroke meta; Sideskid return mechanism (3) comprises the spring (3.1) of an end by the stage body locking, the other end of spring (3.1) is connected with return plate (3.2), the meta of return plate (3.2) is hinged with axle (3.4), and axle (3.4) is fixed on the position at corresponding benchmark top board (4.2) center on the stage body; The be placed in both sides of benchmark top board (4.2) of two root posts (3.3) before and after having on the return plate (3.2), two root posts (3.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201921579U CN201307063Y (en) | 2008-11-06 | 2008-11-06 | Double-plate separate type double-steering-axle vehicle sideslip online detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201921579U CN201307063Y (en) | 2008-11-06 | 2008-11-06 | Double-plate separate type double-steering-axle vehicle sideslip online detection device |
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|---|---|
| CN201307063Y true CN201307063Y (en) | 2009-09-09 |
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| CNU2008201921579U Expired - Lifetime CN201307063Y (en) | 2008-11-06 | 2008-11-06 | Double-plate separate type double-steering-axle vehicle sideslip online detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063446A (en) * | 2012-12-28 | 2013-04-24 | 深圳市安车检测股份有限公司 | Double front axle vehicle steering axle side-slipping detecting device |
| CN103926088A (en) * | 2014-05-07 | 2014-07-16 | 成都成保发展股份有限公司 | Double-steering axle vehicle sideslip inspection bench and detection method |
| CN104075892A (en) * | 2013-03-29 | 2014-10-01 | 北汽福田汽车股份有限公司 | Sideslip detection device and method |
| CN105021409A (en) * | 2015-08-03 | 2015-11-04 | 山东科大微机应用研究所有限公司 | Double-slide-plate double-steering-axle automobile sideslip test table and automobile sideslip test method |
| CN109540551A (en) * | 2019-01-15 | 2019-03-29 | 北京市计量检测科学研究院 | A kind of contactless side slid platform sound state calibrating installation |
-
2008
- 2008-11-06 CN CNU2008201921579U patent/CN201307063Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063446A (en) * | 2012-12-28 | 2013-04-24 | 深圳市安车检测股份有限公司 | Double front axle vehicle steering axle side-slipping detecting device |
| CN103063446B (en) * | 2012-12-28 | 2015-05-27 | 深圳市安车检测股份有限公司 | Double front axle vehicle steering axle side-slipping detecting device |
| CN104075892A (en) * | 2013-03-29 | 2014-10-01 | 北汽福田汽车股份有限公司 | Sideslip detection device and method |
| CN104075892B (en) * | 2013-03-29 | 2017-04-05 | 北汽福田汽车股份有限公司 | A kind of sideslip detection means and method |
| CN103926088A (en) * | 2014-05-07 | 2014-07-16 | 成都成保发展股份有限公司 | Double-steering axle vehicle sideslip inspection bench and detection method |
| CN105021409A (en) * | 2015-08-03 | 2015-11-04 | 山东科大微机应用研究所有限公司 | Double-slide-plate double-steering-axle automobile sideslip test table and automobile sideslip test method |
| CN105021409B (en) * | 2015-08-03 | 2017-09-19 | 山东科大微机应用研究所有限公司 | A kind of pair of slide plate Double steering bridge skid method of inspection |
| CN109540551A (en) * | 2019-01-15 | 2019-03-29 | 北京市计量检测科学研究院 | A kind of contactless side slid platform sound state calibrating installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG COMMERCIAL VEHICLE CO., LTD. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130917 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN, HUBEI PROVINCE TO: 442001 SHIYAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130917 Address after: 442001 Shiyan City, Hubei province city Zhangwan District Road No. 2 Patentee after: Dongfeng Commercial Vehicle Co.,Ltd. Address before: 430056 No. 10 Dongfeng Avenue, Zhuankou Development Zone, Wuhan, Hubei, Hanyang Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090909 |
|
| CX01 | Expiry of patent term |