CN103926088A - Double-steering axle vehicle sideslip inspection bench and detection method - Google Patents
Double-steering axle vehicle sideslip inspection bench and detection method Download PDFInfo
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- CN103926088A CN103926088A CN201410190635.2A CN201410190635A CN103926088A CN 103926088 A CN103926088 A CN 103926088A CN 201410190635 A CN201410190635 A CN 201410190635A CN 103926088 A CN103926088 A CN 103926088A
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Abstract
The invention discloses a double-steering axle vehicle sideslip inspection bench and detection method so as to conduct sideslip detection on a double-steering axle vehicle accurately. The sideslip inspection bench comprises a left sideslip plate (11a), a right sideslip plate (11b), a guide mechanism, a connecting rod mechanism and a reset mechanism, wherein the left sideslip plate (11a) and the right sideslip plate (11b) are supported on a rolling pillar in a rack (10). The reset mechanism acts on the left sideslip plate (11a) or the right sideslip plate (11b). The rack (10) is fixedly provided with a reset control mechanism acting on the reset mechanism, so that the reset mechanism is switched to be in the reset failure state or in the reset recovery state.
Description
Technical field
The present invention relates to performances of motor vehicles sliding checking device, particularly a kind of Double steering bridge defective steering stabilizer check-out console and Double steering bridge defective steering stabilizer detection method.
Background technology
To ensure one of important content of automotive safety operation to the detection of Steering Wheel Side Slip of Automobiles.In this instructions, said sideslip refers to the sideslip of automobile steering roller, instead of the entirety that automobile produces in the time of braking is breakked away.Front-wheel breaks away and refers to that toe-in of front wheel and camber angle do not mate (side force that camber angle produces and the prenex side force imbalance producing), makes automobile in the time of straight-line travelling, produce shift phenomenon to the left or to the right.What its reflected is the stability of automobile straight-line travelling.Now, steered wheel, in rolling forward, also can produce the phenomenon of horizontal sliding, is called sideslip.Facts have proved, the sideslip of automobile can cause resistance to rolling increase, riding stability variation, tire wear aggravation, road fuel consumption to increase and hard steering, affects usability and the economy of automobile.So must regularly detect the sideslip of automobile.
If front-wheel sideslip amount is in the scope allowing (GB7258-2012 " motor vehicle safe and technical specification " regulation is not more than 5m/km), vehicle is used and there is no large impact, but sideslip is measured when excessive, endanger very greatly, be mainly manifested in following several aspect: affect riding stability.Sideslip is measured when excessive, there will be hard steering, and self-right effect weakens, the obvious sideslip of direction, and headstock waves phenomenons such as (when speed of a motor vehicle 50km/h are above); Increase fuel consume.Sideslip is measured running resistance when excessive and increases thereupon.Therefore, automobile fuel consumption increases, and general fuel consumption increases by 4% left and right; Tire excessive wear.Quantitative test according to interrelated data to sideslip amount and tire wear relation, wear extent and the rate of wear are directly proportional to sideslip amount.By the detection case of 10,000 train numbers is analyzed, there is 70% defective steering stabilizer amount defective.Wherein 80% vehicle front-wheel heavy wear, tyre surface becomes tabular, tire shoulder indention.For this reason, in the regulation such as standard GB/T 7258-2012 " automobile safety running technology condition ", GB18565-2001 " commerial vehicle combination property require and the method for inspection ", GB/T17993-2005 " General Requirement of Comprehensive Performance Detecting Test Station ability ", GB21861-2008 " motor vehicle safety inspection project and method ", all require the front wheel side of automobile to slide into the strict inspection of row.And clear and definite technical indicator and detection method are provided.
Sideslip check-out console is when making automobile low speed crossing on sliding panel, detects the size and Orientation of front-wheel sideslip amount by the method for the detection sliding panel amount of moving left and right, and judges whether qualified a kind of checkout equipment.The sideslip check-out console of domestic use is modal is slide type sideslip check-out console, be divided into two kinds of two plate coordinated type sideslip check-out consoles and structure design of single slab skid check-out consoles by structure, domestic automobile measuring station sideslip inspection machine used mostly is two plate coordinated type sideslip check-out consoles at present.
Two plate coordinated type sideslip check-out consoles structurally mainly comprise as lower member and mechanism, left side slide plate and right side slide plate, two slide plates are supported on respectively on four rollers separately, and four rollers can roll in the corresponding chain-wales of frame left and right, and slide plate can be moved left and right flexibly; The guiding mechanism being formed by orienting lug and guide bearing, orienting lug is arranged on left side slide plate and right side slide plate, guide bearing is installed in frame, and orienting lug can only move at the left and right directions of guide bearing restriction, makes slide plate slide and to have limited its longitudinal moving along left and right directions; Linkage assembly, is arranged between left side slide plate and right side slide plate and is attached thereto, and makes two slide plates do simultaneously inside or simultaneously outside motion, and corresponding displacement is transformed into electric signal by displacement transducer and sends into instrument; Return-to-zero mechanism, the back-moving springs that act on slide plate and frame that adopt more, making vehicle front pass through tail skid can self-zeroing; Stop means, restriction slide plate is undue mobile and exceed the allowed band of sensor, plays protection sensor; Lockable mechanism is protected sensor in the time of device free or equipment conveying; Lubricating structure, makes that slide plate is light to be moved freely.
For the various types of vehicles of single steeraxle, existing sideslip check-out console can complete the detection of sideslip amount preferably, its device structure complexity, and easy and simple to handle, speed is fast, is applicable to very much fast detecting.Therefore, on safety check line or comprehensive inspection line, be widely used.Because routine sideslip check-out console is after test completes, force the time that allows left side slide plate and right side slide plate get back to zero-bit at least to need 10s left and right by back-moving spring, completely no problem for the various types of vehicles of single steeraxle.And for the vehicle of Double steering bridge, conventional left side slide plate and right side slide plate reset time are well beyond the actual allowed time.
When the defective steering stabilizer of Double steering bridge detects, the actual allowed time only has 0.6s left and right.Thereby, in the time that the defective steering stabilizer of Double steering bridge detects, after the first steeraxle detects, the second bridge prepares while reaching side slid platform, left side slide plate and the right side slide plate of sideslip check-out console also do not reset, cause side slid platform also not have reset zero point, just start the detection of breakking away, cause that the second bridge sideslip detects serious distortion.At present, the method addressing this problem has following two kinds:
First method is to adopt servicing unit (as electromagnet, damper etc.), to reaching the reset time that reduces left side slide plate and right side slide plate.In actual use, depend on linkage assembly and spring realization because conventional sideslip check-out console resets, and the requirement of the reseting precision of conventional sideslip check-out console is ± 0.1mm within the time of 0.6s, to be difficult to reset;
Second method is to take the technology at dynamic zero point, and after the first steeraxle detects, the second bridge is prepared to gather zero point while reaching side slid platform, detects the second bridge break away taking this zero point as detection reference.In actual use, gather opportunity at zero point very important, the device how triggering collection dynamic zero point is set is very fastidious, no matter triggers too early or spend evening and trigger test result impact very big.And doughnut has certain flexibility, while contact with ground, whole tire is not standard round, tire and the left side slide plate of side slid platform and the opportunity that contacts and the state of right side slide plate, because vehicle-state differs, there are differences, cause and be difficult to accurately arrange dynamic zero point flip flop equipment.
In sum, the existing pair of plate coordinated type sideslip check-out console and the method for inspection cannot be to the inspections of breakking away accurately of Double steering bridge vehicle, and this problem is effectively solved in the art always.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of Double steering bridge defective steering stabilizer check-out console, with exactly to the detection of breakking away of Double steering bridge vehicle.
It is as follows that the present invention solves the problems of the technologies described above adopted technical scheme:
Double steering bridge defective steering stabilizer check-out console of the present invention, be included in left side slide plate, the right side slide plate of frame inner support on roller, and guiding mechanism, linkage assembly and resetting-mechanism, linkage assembly between left side slide plate, right side slide plate and its two ends hinged with it respectively, resetting-mechanism acts on left side slide plate or right side slide plate, it is characterized in that: in described frame, be fixedly installed linear reciprocating mechanism, this linear reciprocating mechanism acts on resetting-mechanism, makes it recover to change between two states in reset inefficacy and reset.
Another technical matters to be solved by this invention is to provide a kind of Double steering bridge defective steering stabilizer detection method.The method comprise the steps: 1. to reset control gear action, makes resetting-mechanism in reset failure state; 2. tested vehicle the first steeraxle low speed reaches left side slide plate, right side slide plate, detects tested vehicle the first steeraxle value of sideslip; 3. tested vehicle the first steeraxle low speed sails out of left side slide plate, right side slide plate, and left side slide plate, right side slide plate keep motionless; 4. tested vehicle the second steeraxle low speed reaches left side slide plate, right side slide plate, detects tested vehicle the second steeraxle value of sideslip; 5. tested vehicle the second steeraxle low speed sails out of left side slide plate, right side slide plate, and the action of reset control gear makes resetting-mechanism return to form in resetting, and left side slide plate, right side slide plate reset.
The invention has the beneficial effects as follows, can detect exactly the sideslip of Double steering bridge vehicle the first steeraxle, the second steeraxle, effectively solved the technical barrier of long-term puzzlement the art; Only in existing pair of plate coordinated type sideslip check-out console, set up the reset control gear that can make resetting-mechanism lose efficacy, existing equipment improves easily; Simple in structure, easy to operate.
Brief description of the drawings
This instructions comprises as next width accompanying drawing:
Fig. 1 is the structural representation of Double steering bridge defective steering stabilizer check-out console of the present invention;
Member shown in figure and corresponding mark: frame 10, left side slide plate 11a, right side slide plate 11b, linkage assembly 12, cylinder 21, back-moving spring 22, ejector return pin 23.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
With reference to Fig. 1, Double steering bridge defective steering stabilizer check-out console of the present invention, be included in left side slide plate 11a, the right side slide plate 11b of frame 10 inner supports on roller, and guiding mechanism, linkage assembly and resetting-mechanism, resetting-mechanism acts on left side slide plate 11a or right side slide plate 11b.These mechanisms and the mechanism of existing pair of plate coordinated type sideslip check-out console can be identical or similar.In described frame 10, be fixedly installed the reset control gear that acts on resetting-mechanism, make resetting-mechanism recover to change between two states in reset inefficacy and reset.In the time that reset control gear moves to a side, resetting-mechanism is in reset failure state, and left side slide plate 11a and right side slide plate 11b can freely inwardly or outwards slide.And in the time that reset control gear moves to opposite side, resetting-mechanism returns to form in resetting, left side slide plate 11a, right side slide plate 11b are resetted.
Double steering bridge defective steering stabilizer detection method of the present invention, comprises the steps:
1. the control gear that resets action, makes resetting-mechanism in reset failure state;
2. tested vehicle the first steeraxle low speed reaches left side slide plate 11a, right side slide plate 11b, detects tested vehicle the first steeraxle value of sideslip;
3. tested vehicle the first steeraxle low speed sails out of left side slide plate 11a, right side slide plate 11b, and it is static that left side slide plate 11a, right side slide plate 11b keep;
4. tested vehicle the second steeraxle low speed reaches left side slide plate 11a, right side slide plate 11b and detects tested vehicle the second steeraxle value of sideslip;
5. tested vehicle the second steeraxle low speed sails out of left side slide plate 11a, right side slide plate 11b, and the action of reset control gear makes resetting-mechanism return to form in resetting, and left side slide plate 11a, right side slide plate 11b reset.
Due to after tested vehicle the first steeraxle detects and sail out of, it is static that left side slide plate 11a, right side slide plate 11b keep, and therefore then can detect the value of sideslip of tested vehicle the second steeraxle exactly.
On Double steering bridge defective steering stabilizer check-out console, the back-moving spring 22 that described resetting-mechanism adopts one end to be connected with left side slide plate 11a or right side slide plate 11b more, rely on the tensile force of back-moving spring 22 that left side slide plate 11a, right side slide plate 11b are resetted, can certainly adopt other mechanism driving mechanism.Obviously, the reset control gear in the present invention can adopt mechanical transmission mechanism, the electromagnetism transmission mechanism that mechanical field is numerous, as cylinder, electric pushrod, electromagnetic clutch.
Shown in Fig. 1 is one embodiment of the invention, structure, the supporting way of left side slide plate 11a, right side slide plate 11b in this embodiment, and the structure of guiding mechanism, linkage assembly is identical with existing Double steering bridge defective steering stabilizer check-out console, linkage assembly between left side slide plate 11a, right side slide plate 11b and its two ends hinged with it respectively, make left side slide plate 11a, right side slide plate 11b inwardly or outwards motion simultaneously simultaneously.Resetting-mechanism comprises the position bar 23 being fixedly connected with left side slide plate 11a or right side slide plate 11b, and the back-moving spring 22 that is connected with ejector return pin 23 of one end.Described reset control gear is one to be fixedly mounted on the cylinder 21 in frame 10, the other end of back-moving spring 22 be connected with the cylinder rod of this cylinder 21.Its testing process is specific as follows:
1, when Double steering bridge vehicle detection is breakked away, reach before sliding panel with low speed (3-5km/h) at tested vehicle the first steeraxle, the cylinder rod of cylinder cylinder 21 moves maximum travel position, and back-moving spring 22 loosens, and side slid platform resetting-mechanism was lost efficacy;
2, tested vehicle the first steeraxle low speed reaches left side slide plate 11a and right side slide plate 11b, under the effect of toe-in or camber angle, left side slide plate 11a, the right side slide plate 11b linking up by linkage assembly 12 inwardly or simultaneously outwards moves simultaneously, and its inside or outside displacement is the first steeraxle value of sideslip;
3, tested vehicle the first steeraxle low speed sails out of after sliding panel, and it is static that left side slide plate 11a, right side slide plate 11b keep, and waits for that tested vehicle the second steeraxle detects;
4, tested vehicle the second steeraxle low speed reaches left side slide plate 11a, right side slide plate 11b, left side slide plate 11a, right side slide plate 11b are under the effect of toe-in or camber angle, left side slide plate 11a, slide plate 11b stop place, right side after detecting since the first steeraxle, inside or simultaneously outside motion simultaneously, its detect with respect to the first steeraxle after left side slide plate 11a, slide plate 11b stop place, right side, inside or outside displacement is the second steeraxle value of sideslip;
5, tested vehicle the second steeraxle low speed sails out of sliding panel, completes Double steering bridge defective steering stabilizer and detects.Now, the cylinder rod of cylinder 21 moves minimum stroke position, back-moving spring 22 is strained ejector return pin 23, make side slid platform resetting-mechanism effective, side slid platform left side slide plate 11a, right side slide plate 11b are under the effect of resetting-mechanism, realize the mechanical return of side slid platform, after reset, side slid platform is waited for the detection of next car.
Some principles of the above just explain through diagrams Double steering bridge defective steering stabilizer check-out console of the present invention and Double steering bridge defective steering stabilizer detection method, be not the present invention to be confined to shown in and in described concrete structure and the scope of application, therefore the corresponding modify being likely utilized every and equivalent, all belong to the scope of the claims that the present invention applies for.
Claims (3)
1. Double steering bridge defective steering stabilizer check-out console, be included in left side slide plate (11a), the right side slide plate (11b) of frame (10) inner support on roller, and guiding mechanism, linkage assembly and resetting-mechanism, resetting-mechanism acts on left side slide plate (11a) or right side slide plate (11b), it is characterized in that: in described frame (10), be fixedly installed the reset control gear that acts on resetting-mechanism, make resetting-mechanism recover to change between two states in reset inefficacy and reset.
2. Double steering bridge defective steering stabilizer check-out console as claimed in claim 1, it is characterized in that: described resetting-mechanism comprises the position bar (23) being fixedly connected with left side slide plate (11a) or right side slide plate (11b), and the back-moving spring (22) that is connected with ejector return pin (23) of one end; Described reset control gear is for being fixedly mounted on cylinder (21) in frame (10), the other end of back-moving spring (22) be connected with the cylinder rod of this cylinder (21).
3. the Double steering bridge defective steering stabilizer detection method that adopts Double steering bridge defective steering stabilizer check-out console as claimed in claim 1 or 2, comprises as step:
1. the control gear that resets action, makes resetting-mechanism in reset failure state;
2. tested vehicle the first steeraxle low speed reaches left side slide plate (11a), right side slide plate (11b), detects tested vehicle the first steeraxle value of sideslip;
3. tested vehicle the first steeraxle low speed sails out of left side slide plate (11a), right side slide plate (11b), and left side slide plate (11a), right side slide plate (11b) keep static;
4. tested vehicle the second steeraxle low speed reaches left side slide plate (11a), right side slide plate (11b), detects tested vehicle the second steeraxle value of sideslip;
5. tested vehicle the second steeraxle low speed sails out of left side slide plate (11a), right side slide plate (11b), the action of reset control gear, resetting-mechanism is returned to form in resetting, and left side slide plate (11a), right side slide plate (11b) reset.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410190635.2A CN103926088B (en) | 2014-05-07 | 2014-05-07 | Double-steering axle vehicle sideslip inspection bench and detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410190635.2A CN103926088B (en) | 2014-05-07 | 2014-05-07 | Double-steering axle vehicle sideslip inspection bench and detection method |
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| CN103926088A true CN103926088A (en) | 2014-07-16 |
| CN103926088B CN103926088B (en) | 2017-05-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN109459248A (en) * | 2018-12-17 | 2019-03-12 | 北华大学 | A kind of vehicle side slipping testing stand |
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2014
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Patent Citations (6)
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| CN2898808Y (en) * | 2006-02-24 | 2007-05-09 | 成都成保发展股份有限公司 | Double steering bridge sided-skid test bed of automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103926088B (en) | 2017-05-10 |
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