CN2164387Y - Poisitioning instrument for stirring wheel of automobile - Google Patents
Poisitioning instrument for stirring wheel of automobile Download PDFInfo
- Publication number
- CN2164387Y CN2164387Y CN 93213883 CN93213883U CN2164387Y CN 2164387 Y CN2164387 Y CN 2164387Y CN 93213883 CN93213883 CN 93213883 CN 93213883 U CN93213883 U CN 93213883U CN 2164387 Y CN2164387 Y CN 2164387Y
- Authority
- CN
- China
- Prior art keywords
- angle
- dowel disc
- wheel
- engineer
- automobile
- 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.)
- Expired - Fee Related
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a detection device for vehicle maintenance and repair, comprising a measurement frame, a positioning disk which can be fixed on a steering wheel and is arranged on the measurement frame, two guide rails which are arranged on the vertical direction of the positioning disk, a measurement device which is arranged on the guide rails, and two level devices which are mutually vertical and are arranged on a bottom board by the measurement device. The utility model can directly measure the rear slope angle of a main pin and the outer slop angle of the steering wheel. An inner slope angle can be estimated, and theoretical errors can be completely eliminated.
Description
The utility model is a kind of vehicle maintenance and repair check implement, especially a kind of automobile steering roller orientator.
Automobile steering roller location comprises determines its steering yoke bolt casterangle, Kingpin inclination angle, steering wheel camber and toe-in value, and they are to there being appreciable impact in manoeuvereability of automobile, stability and tire service life etc.The measuring method of the location of automobile steering roller all is that wheel flutter is at the straight-line travelling state at present.Left, turn right to predetermined angular, measure the variable quantity of the angle of stud axle spindle axis and horizontal surface, calculate kingpin caster angle γ value with empirical equation; The same variation delta ω that surveys its stud axle spindle around its axis angle of revolution calculates Kingpin inclination angle β value with empirical equation.This theoretical method error can't be eliminated, and measurement error is bigger.
The purpose of this utility model provides a kind of instrument that need not calculate, directly measure kingpin caster angle, leaning angle and steering wheel camber, and its theoretical error can be eliminated fully.
Scheme of the present utility model is: comprise a mensuration frame, this mensuration frame has a dowel disc can be fixed on the wheel flutter, and the direction vertical with dowel disc is provided with guide rail; Other has the analyzer that can be arranged on the guide rail, and this analyzer is to be provided with mutually perpendicular two engineer's spirits level on a base plate.
By analyzing the spindle characteristics of motion, can obtain following conclusion easily: wheel is in steering procedure, and the rotating track of steering stub axle wire-wound stub is a bevelled cone angle, and the spindle end points has a vertex to exist on the locus.Spindle when stub goes to the axial location of front axle, is numerically equal to kingpin caster angle γ around the angle of revolution of himself axis by the extreme higher position.And the tangent value of Kingpin inclination angle equals the ratio of wheel caster tangent of an angle and the tangent value of spindle corresponding corner in horizontal surface.That is Kingpin inclination angle can be determined by kingpin caster angle.
Below in conjunction with above-mentioned principle and accompanying drawing in detail, embodiment of the present utility model is described in detail.
Fig. 1 is the analyzer front view.
Fig. 2 is the analyzer birds-eye view.
Fig. 3 is a kind of structural front view of mensuration frame.
Fig. 4 is Fig. 3 birds-eye view.
Fig. 5 is the another kind of structural front view of mensuration frame.
Fig. 6 is Fig. 5 birds-eye view.
Constitute same two engineer's spirits level 1 and 17 by bubble level 2, screw rod 3, location guide block 4, nut 5, handwheel 6, vertical pivot 7, counting scale gear 8, counting scale 9 and pointer 10, floating axle 15, anchor shaft 16.Above-mentioned two engineer's spirits level all are fixed on the base plate 14.Wherein floating axle 15, screw rod 3 and counting scale gear 8 etc. constitute the mechanism at a scalable bubble level inclination angle, are convenient to reading.
As shown in Figure 3, Figure 4, the dowel disc of this mensuration frame is that a centre has depression, both sides that the disk 18 of extension is arranged, and groove 19 is arranged on the extension, is provided with bolt of rear end plate in the groove.The position vertical with this dowel disc is provided with two guide rails 20, connected by connecting rod 21 between the guide rail, and this connecting rod middle part is connected with dowel disc by rotating shaft 22.
During actual the use, make car load keep the straight-line travelling state, and be horizontal, with front and back wheel jack-up 30mm all, dowel disc is fixed on the wheel to be measured, analyzer places on the guide rail.At this moment the direction of engineer's spirit level 1 and the car direction of travelling is vertical, and direction is parallel and engineer's spirit level 17 directions and car travel.Rotate guide rail link 22, make engineer's spirit level 17 reading nullings, and bubble is placed in the middle.At this moment rotate engineer's spirit level 1 handwheel, measure engineer's spirit level 1 inclination angle, be camber angle α.
On the basis of the above, slowly steering wheel rotation is inwardly swung tested wheel.Meanwhile regulate the handwheel of engineer's spirit level 1, make bubble be in horizontality all the time.Along with the swing of wheel, the scale indicating value reduces gradually, and when camber angle minimum value position, the bearing circle that stops operating keeps this state.If be rotated further bearing circle, then bubble moves round about.At this moment rotate engineer's spirit level 17 handwheels, make its bubble placed in the middle, this angle value is tested wheel steering axis casterangle value.
Connect the face operation, fall front axle, front-wheel is landed.Control hand wheel makes two pointer nullings.Adjust mensuration frame, make engineer's spirit level 17 bubbles placed in the middle.Regulate engineer's spirit level 1 handwheel, make its bubble placed in the middle, this angle value is tested camber angle α ' when landing.Variation delta α=α-the α ' of and land twice measuring car wheel camber angle unsettled according to wheel can judge the situation that cooperates of steering yoke bolt hole and stub.
Fig. 5, Fig. 6 are the another kind of structures of dowel disc.It comprises an annulus 23 that can be fixed on the wheel, and the direction vertical with it is fixed with two guide rails 24, and this guide rail becomes left-right symmetric with the annulus axis.This dowel disc is simple in structure, but when actual measurement need rotating-wheel, operate more numerous.
By above analysis as can be known, the utility model can be realized directly measuring camber angle, kingpin caster angle, extrapolates Kingpin inclination angle, thereby theoretical error can be eliminated fully.Can diagnose kingpin bore and stub mated condition easily in addition.
Claims (3)
1, a kind of automobile steering roller orientator, it is characterized in that comprising a mensuration frame, this mensuration frame has a dowel disc that can be fixed on the wheel flutter, the direction vertical with dowel disc is provided with two guide rails, other has the analyzer that can be arranged on the guide rail, and this analyzer is to be provided with mutually perpendicular two engineer's spirits level on a base plate.
2, by the described orientator of claim 1, it is characterized in that this dowel disc is that a centre has depression, both sides that the disk of extension is arranged, the groove that can establish bolt of rear end plate is arranged on this extension, connected by connecting rod between the guide rail, this connecting rod middle part is connected with dowel disc by rotating shaft.
3, by the described orientator of claim 1, it is characterized in that dowel disc is an annulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93213883 CN2164387Y (en) | 1993-05-25 | 1993-05-25 | Poisitioning instrument for stirring wheel of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93213883 CN2164387Y (en) | 1993-05-25 | 1993-05-25 | Poisitioning instrument for stirring wheel of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2164387Y true CN2164387Y (en) | 1994-05-11 |
Family
ID=33794827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93213883 Expired - Fee Related CN2164387Y (en) | 1993-05-25 | 1993-05-25 | Poisitioning instrument for stirring wheel of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2164387Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102831815A (en) * | 2012-08-14 | 2012-12-19 | 成都航空职业技术学院 | Device for demonstrating and adjusting positioning parameters of automobile steering wheels |
-
1993
- 1993-05-25 CN CN 93213883 patent/CN2164387Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102831815A (en) * | 2012-08-14 | 2012-12-19 | 成都航空职业技术学院 | Device for demonstrating and adjusting positioning parameters of automobile steering wheels |
| CN102831815B (en) * | 2012-08-14 | 2015-01-07 | 成都航空职业技术学院 | Device for demonstrating and adjusting positioning parameters of automobile steering wheels |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |