CN1065934A - The side slip tester that has secondary slide - Google Patents
The side slip tester that has secondary slide Download PDFInfo
- Publication number
- CN1065934A CN1065934A CN 92102882 CN92102882A CN1065934A CN 1065934 A CN1065934 A CN 1065934A CN 92102882 CN92102882 CN 92102882 CN 92102882 A CN92102882 A CN 92102882A CN 1065934 A CN1065934 A CN 1065934A
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- CN
- China
- Prior art keywords
- tire
- slide
- side slip
- slide plate
- slip tester
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- 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
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
When detecting front-wheel sideslip amount with common side slip tester, can produce very big error, this mainly is because plane bench is not considered the lateral elasticity distortion that produces before the slide plate of tire testing table on rolling, and this lateral deformation is rolled at tire and will be produced extensive bullet after the upper slide, the data that obtain are twice than actual value about.The present invention can eliminate above-mentioned error.It has increased a small-sized secondary slide again in the front of plane bench, when tire rolls this secondary slide, will eliminate original distortion, after this, when tire enters main slide plate again, just no longer produces above-mentioned error.This scheme both had been applicable to the double-plate testing table, was applicable to the one-board testing table again.
Description
The present invention relates to a kind of side slip tester, it belongs to the automotive inspection equipment field.
On existing vehicle safety inspection and test line, side slip tester all is housed, detect match condition between toe-in of front wheel and the front-wheel camber with it.
As a kind of gauging instrument, side slip tester should have enough measuring accuracies, could guarantee the science of data.But with regard to the side slip tester of producing now, owing on design theory, have the imperfection part, so its test error is very big.
Why the side slip tester of conventional design can produce very big error, is because it has despised the lateral elasticity distortion that doughnut produces before the testing table on rolling.When toe-in value is improper, front-wheel will produce side force under steam, this power makes tire produce on the one hand and breaks away, also can make tire produce lateral deformation simultaneously, when in a single day front-wheel rolls upper slide, this distortion will recover at once, and promotes slide plate and produce a displacement, because this displacement is caused that by the extensive bullet of tire we are referred to as extensive bullet displacement.Clearly, extensive bullet displacement must be mixed in the test result, makes reading greater than actual value, produces measuring error.Show that through test this error generally accounts for about 50% of reading value.The factor that influences this error rate has: ground attaching coefficient, the cornering stiffness of tire, the load of tire and the longitudinal size of slide plate, attachment coefficient is bigger when ground, and tire cornering stiffness is lower, and tyre load is bigger, the slide plate longitudinal size hour, the relative error of generation is bigger, otherwise then less.
Because it is above that this error can make reading be twice partially, and relevant with multiple factor, is not a fixed numeric values or fixing ratio, so should manage to get rid of.
Adopt after the present invention, just can eliminate above-mentioned error.Concrete scheme is formed common double-plate side slip tester by a pair of main slide plate [1] and sensing display apparatus (not shown) as shown in drawings.Set up secondary slide [3] in its front, be provided with link gear between two secondary slides, its interaction relation is identical with main slide plate, and this link gear can only move inward two secondary slides simultaneously or outwards moves simultaneously, and can not move separately.Just their longitudinal size is less, and does not adorn displacement sensing apparatus.When wheel rolled this secondary slide, the lateral deformation on the tire just was eliminated, and when waiting wheel to sail main slide plate again into, main slide plate just no longer produces extensive bullet displacement, has also just eliminated above-mentioned error.
Main slide plate and secondary slide can be made one-piece construction, also can make two independent parts, and the secondary slide part of producing is used to transform original side slip tester separately.
Fixing crossbeam [2] can be arranged as zone of transition between main slide plate and the secondary slide, also can not have it, and allow main slide plate and secondary slide near arranging.The longitudinal size of secondary slide should be greater than the length of the ground connection impression of tire, so that allow its complete extensive bullet.
This invention both can be made into the double-plate side slip tester, also can be made into the one-board testing table.
When tire rolled fixing crossbeam [2], also can produce a little lateral deformation, but its influence to be very slight, and only can to have exerted an influence with fixing ratio, this can also further reduce its influence by the computational length that increases main slide plate.
Claims (4)
1, a side slip tester of being made up of main slide plate [1] and sensing display apparatus is characterized in that, secondary slide [3] has been installed in its front.
2, by the device of claim 1 regulation, it is characterized in that having the link gear that two secondary slides can only be moved inward simultaneously or outwards move simultaneously between two secondary slides.
3, by the device of claim 1 regulation, it is characterized in that secondary slide also can be the monolithic pattern, it and the supporting installation of one-board side slip tester.
4, by the device of claim 1 regulation, it is characterized in that secondary slide and main slide plate can be made whole pattern between the two, also can make separate two parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92102882 CN1065934A (en) | 1992-04-20 | 1992-04-20 | The side slip tester that has secondary slide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92102882 CN1065934A (en) | 1992-04-20 | 1992-04-20 | The side slip tester that has secondary slide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1065934A true CN1065934A (en) | 1992-11-04 |
Family
ID=4939906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92102882 Pending CN1065934A (en) | 1992-04-20 | 1992-04-20 | The side slip tester that has secondary slide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1065934A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512756A (en) * | 2012-06-27 | 2014-01-15 | 佛山市南华仪器股份有限公司 | Inspection bench for automobile sideslip distance detection |
| 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 |
| CN109443805A (en) * | 2019-01-14 | 2019-03-08 | 吉林大学 | Car test bench based on ER fluid becomes slip rate slide plate |
-
1992
- 1992-04-20 CN CN 92102882 patent/CN1065934A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512756A (en) * | 2012-06-27 | 2014-01-15 | 佛山市南华仪器股份有限公司 | Inspection bench for automobile sideslip distance detection |
| CN103512756B (en) * | 2012-06-27 | 2016-03-23 | 佛山市南华仪器股份有限公司 | A kind of check-out console detecting skid amount |
| 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 |
| CN109443805A (en) * | 2019-01-14 | 2019-03-08 | 吉林大学 | Car test bench based on ER fluid becomes slip rate slide plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |