CN100387960C - Calibrating apparatus for wheel positioning parameter measuring instrument - Google Patents
Calibrating apparatus for wheel positioning parameter measuring instrument Download PDFInfo
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- CN100387960C CN100387960C CNB2005100431268A CN200510043126A CN100387960C CN 100387960 C CN100387960 C CN 100387960C CN B2005100431268 A CNB2005100431268 A CN B2005100431268A CN 200510043126 A CN200510043126 A CN 200510043126A CN 100387960 C CN100387960 C CN 100387960C
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- back rake
- rake angle
- rake
- wheel
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Abstract
The present invention relates to a checking and calibrating device for a wheel positioning parameter measuring instrument. A back-rake fixed seat provided with a main shaft is arranged on a bottom seat, the left end of the main shaft is provided with a back-rake bush fitting, the back-rake fixed seat is provided with a back-rake supporting plate, the back-rake supporting plate and the back-rake bush fitting are provided with a main-pin back-rake arrangement and adjustment mechanism, the right end of the main shaft is provided with a swing arm, and an inner-rake bush fitting and an inner-rake fixed seat. The inner-rake fixed seat is provided with an inner-rake supporting plate, the inner-rake bush fitting and the inner-rake supporting plate are provided with a main-pin inner-rake arrangement and adjustment mechanism, the right end of the swing arm is provided with a main-pin cover of which the outer part is connected with a pressing cover and the inner part is provided with a main pin, the middle part of the swing arm is provided with a fixed plate, and lower ends of the fixed plate and the main pin are provided with a wheel angle restricting arrangement and a steering mechanisms, the lower end of the main pin is also provided with an outer-rake bush fitting and an outer-rake fixed seat of an outer-rake supporting plate, and the outer-rake bush fitting and the outer-rake supporting plate are provided with wheel outer-rake arrangement and adjustment mechanism. The present invention has the advantages of reasonable design, easy use, high measuring precision, little error, etc.
Description
Technical field
The invention belongs to adopt mechanical system is the metering outfit technical field of feature, is specifically related to be used for the adjustment that is used for wheel of measuring angle or tapering.
Background technology
Should guarantee during automobilism that straight-line travelling also wants turning driving expediently, will guarantee that also tire does not produce inordinate wear, wheel alignment parameter is one of guaranteed conditions.Wheel alignment parameter has kingpin castor angle, kingpin inclination, wheel bundle angle, camber angle.Wheel bundle angle, camber angle not only on the steering axle wheel have, on the non-steering axle of some vehicle also there be wheel.Kingpin castor angle, kingpin inclination only appear on the steering axle usually.Wheel was around the parts of its rotation when stub was the motor turning operation.Kingpin castor angle is the sweptback angle of stub, be used for vehicle ' process guiding and reach back positive interaction, kingpin inclination is the intilted angle of stub, be used for reducing vehicle in the required moment of steering procedure, wheel bundle angle is wheel circumference face and the angle of car body longitudinal axis between surface level, is used to overcome the horizontal force that camber causes, camber angle is the outward-dipping angle of wheel, be used to overcome when changing, cause the intilted presetting angle of wheel because of carload.
Wheel positioning parameter measuring instrument is the instrument that is used for measuring wheel alignment parameter, the kingpin castor angle of measuring vehicle, kingpin inclination, wheel bundle angle, and camber angle.The all kinds wheel positioning parameter measuring instrument that uses at motor repair trade is a lot of at present, the measured data of the wheel positioning parameter measuring instrument of the different model of different manufacturers production have than big-difference, make it to judge the accuracy of wheel installation site, make troubles for repairing and verification.Its subject matter is that the measuring accuracy and the measuring error of wheel positioning parameter measuring instrument is imprecise, the measuring accuracy of wheel positioning parameter measuring instrument and the correction of error are not also had assay calibration equipment at present, automobile maintenance industry, detection unit and the current technical matters that presses for solution of metrology and measurement department are provided a kind of assay calibration equipment of wheel positioning parameter measuring instrument.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of reasonable in design, simple in structure, easy to use, measuring accuracy is high, error is little calibrating apparatus for wheel positioning parameter measuring instrument for wheel positioning parameter measuring instrument.
The technical scheme that solves the problems of the technologies described above employing is: the upper end at base is provided with the back rake angle holder that main shaft is installed, left end at main shaft is provided with back rake angle edge cover, the back rake angle holder is provided with the back rake angle back up pad, back rake angle back up pad and back rake angle edge cover are provided with kingpin castor angle governor motion are set, right-hand member at main shaft is provided with swing arm and internal-oblique-angle bushing and internal-oblique-angle fixing seat, internal-oblique-angle fixing seat is provided with internal-oblique-angle supporting plate, internal-oblique-angle bushing and internal-oblique-angle supporting plate are provided with kingpin inclination governor motion are set, outside being provided with, the right-hand member of swing arm is connected with gland, in the stub cover of stub is installed, middle part in swing arm is provided with fixed head, the lower end of fixed head and stub is provided with wheel bundle angle and is provided with and steering mechanism, in the lower end of stub the camber angle holder that camber angle edge cover and camber angle back up pad are installed is set also, camber angle edge cover and camber angle back up pad are provided with camber angle governor motion are set.
Kingpin castor angle of the present invention is provided with governor motion: the inner of back rake angle disc is arranged on that back rake angle edge puts, the outer end connects with the back rake angle sector gear, back rake angle worm screw holder is arranged on the outer end of back rake angle back up pad, back rake angle worm screw holder is provided with the back rake angle worm screw with the engagement of back rake angle sector gear, and the back rake angle worm screw is provided with back rake angle handwheel and back rake angle indicator.
It is identical with the structure that kingpin castor angle is provided with governor motion that kingpin inclination of the present invention is provided with governor motion, the angle setting of wheel bundle and steering mechanism, camber angle is provided with governor motion, but the physical dimension of parts is inequality.
The present invention simulates wheel kingpin castor angle, kingpin inclination, wheel bundle angle and camber angle positional parameter, wheel positioning parameter measuring instrument is carried out assay calibration, according to the measured value of wheel alignment meter and the accurate difference between the value of setting, determine the measuring error size and the measuring accuracy grade of wheel positioning parameter measuring instrument.Advantage such as that the present invention has is reasonable in design, simple in structure, easy to use, measuring accuracy is high, error is little can be used for the detection and the calibration of wheel positioning parameter measuring instrument.
Back rake angle indicator of the present invention is the back rake angle display disc.
Back rake angle indicator of the present invention also can be for showing the digital indicator of rotational angle.
Description of drawings.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the front view that kingpin castor angle is provided with governor motion among Fig. 1.
Fig. 3 is that wheel bundle angle is provided with and the upward view of steering mechanism among Fig. 1.
Fig. 4 is the connection synoptic diagram that camber angle is provided with governor motion among Fig. 1.
Embodiment
The present invention is described in more detail below in conjunction with drawings and Examples, but the invention is not restricted to these embodiment.
In Fig. 1,2,3,4, the calibrating apparatus for wheel positioning parameter measuring instrument of present embodiment is by main shaft 1, back rake angle edge cover 2, back rake angle holder 3, back rake angle back up pad 8, internal-oblique-angle bushing 9, internal-oblique-angle fixing seat 10, internal-oblique-angle supporting plate 17, swing arm 18, fixed band 19, stub cover 20, gland 21, stub 22, instrument mount pad 23, camber angle holder 24, camber angle edge cover 25, camber angle back up pad 26, fixed head 33, base 34, tapered sleeve 43.Back rake angle is provided with governor motion, leaning angle and governor motion, the angle setting of wheel bundle and steering mechanism, camber angle are set governor motion is set connects and constitute.Be installed with back rake angle holder 3 in the upper end of base 34, main shaft 1 is installed in the back rake angle holder 3, between main shaft 1 and the back rake angle holder 3 bearing is installed, main shaft 1 can rotate in back rake angle holder 3.Left end at main shaft 1 is installed with back rake angle edge cover 2 with the screw threads for fastening connector, and back rake angle back up pad 8 is installed on back rake angle holder 3, is connected with kingpin castor angle on the outer end of back rake angle back up pad 8 and the back rake angle edge cover 2 governor motion is set.At right-hand member internal-oblique-angle fixing seat 10 usefulness of main shaft 1 axle swing arm 18 and internal-oblique-angle bushing 9 are installed, internal-oblique-angle supporting plate 17 is installed on the internal-oblique-angle fixing seat 10, kingpin inclination is provided with governor motion and is installed on the internal-oblique-angle bushing 9 and the outer end of internal-oblique-angle supporting plate 17.Right-hand member in swing arm 18 is installed with stub cover 20 with fixed band 19, in the stub cover 20 stub 22 is installed, and by thread connection gland 21 is installed in the outside of stub cover 20, stub 22 is fixed on the center of stub cover 20.Middle part in swing arm 18 is installed with fixed head 33 with the screw threads for fastening connector, and the lower end of fixed head 33 and stub 22 is equipped with wheel bundle angle and is provided with and steering mechanism.Camber angle holder 24 is connected as a single entity with the lower end of stub 22, camber angle edge cover 25 usefulness axle and tapered sleeve 43 and screw threads for fastening connector are connected on the camber angle holder 24, the inner of camber angle back up pad 26 is welded on the camber angle holder 24, instrument mount pad 23 is arranged on the camber angle edge cover 25, on camber angle edge cover 25 and the outer end of camber angle back up pad 26 camber angle is installed governor motion is set.
In Fig. 1,2, the kingpin castor angle of present embodiment is provided with governor motion and is connected into by back rake angle worm screw holder 4, back rake angle worm screw 5, back rake angle sector gear 6, back rake angle disc 7, back rake angle handwheel 35, back rake angle display disc 36.The inner of back rake angle disc 7 is connected on the back rake angle edge cover 2, the outer end connects with back rake angle sector gear 6 with the screw threads for fastening connector, back rake angle worm screw holder 4 usefulness screw threads for fastening connectors are installed in the outer end of back rake angle back up pad 8, on back rake angle worm screw holder 4, back rake angle worm screw 5 is installed, back rake angle worm screw 5 and 6 engagements of back rake angle sector gear, outside the left part of back rake angle worm screw 5, be set with back rake angle display disc 36, back rake angle display disc 36 is used to indicate the rotational angle of back rake angle sector gear 6, back rake angle display disc 36 also can adopt the digital indicator that can show rotational angle, the left end of back rake angle worm screw 5 is installed with back rake angle handwheel 35 with the screw threads for fastening connector, rotate back rake angle handwheel 35, back rake angle worm screw 5 is rotated, driving back rake angle sector gear 6 rotates, by back rake angle disc 7, back rake angle edge cover 2 drives main shaft 1 and rotates.
In Fig. 1, the kingpin inclination of present embodiment is provided with governor motion by leaning angle handwheel 11, leaning angle display disc 12, leaning angle worm screw holder 13, leaning angle worm screw 14, leaning angle sector gear 15, leaning angle disc 16 connects formation, it is identical that the geometric configuration of parts and structure and kingpin castor angle are provided with the geometric configuration and the structure of governor motion parts, but size is inequality, the inner of leaning angle disc 16 is connected on the internal-oblique-angle bushing 9, leaning angle worm screw holder 13 usefulness screw threads for fastening connectors are fixedly connected in the outer end of internal-oblique-angle supporting plate 17, and it is identical that the connecting relation of other parts and kingpin castor angle are provided with the connecting relation of governor motion parts.
At Fig. 1, in 3, the wheel bundle angle setting of present embodiment and steering mechanism are by wheel bundle angle handwheel 37, wheel bundle angle display disc 38, wheel bundle angle worm screw holder 39, wheel bundle angle worm screw 40, wheel bundle angle sector gear 41, wheel bundle angle disc 42 connects formation, it is identical that the geometric configuration of parts and structure and kingpin castor angle are provided with the geometric configuration and the structure of governor motion parts, but size is inequality, the inner of wheel bundle angle disc 42 is fixed on the lower end of stub 21, the outer end connects with wheel bundle angle sector gear 41 with the screw threads for fastening connector, worm screw holder 39 usefulness screw threads for fastening connectors in wheel bundle angle are connected on the fixed head 33, and fixed head 33 usefulness screw threads for fastening connectors are connected in the swing arm 18.The connecting relation of parts that the connecting relation of other parts and kingpin castor angle are provided with governor motion is identical.
In Fig. 1,4, the camber angle of present embodiment is provided with governor motion and is made of camber angle disc 27, camber angle sector gear 28, camber angle worm screw holder 29, camber angle worm screw 30, camber angle display disc 31,32 connections of camber angle handwheel, it is identical that the geometric configuration of parts and structure and kingpin castor angle are provided with the geometric configuration and the structure of governor motion parts, but size is inequality.The inner of the inner of camber angle disc 27 and instrument mount pad 23 is welded on the camber angle edge cover 25, the inner of camber angle back up pad 26 is welded on the camber angle holder 24, camber angle edge cover 25 usefulness axle and tapered sleeve 43 and screw threads for fastening connector are connected on the camber angle holder 24, camber angle holder 24 is connected as a single entity with the lower end of stub 21, the inner of camber angle disc 27 is connected on the camber angle edge cover 25, and camber angle worm screw holder 29 usefulness screw threads for fastening connectors are fixed on the outer end of camber angle back up pad 26.The connecting relation of parts that the connecting relation of other parts and kingpin castor angle are provided with governor motion is identical.
Principle of work of the present invention is as follows:
1, adjusts zero-bit
Level meter is installed on the instrument mount pad 23 of the present invention, regulate kingpin castor angle and be provided with that governor motion, kingpin inclination are provided with governor motion, camber angle is provided with governor motion and arrives zero-bit substantially, rotating-wheel bundle angle handwheel 37 to wheel bundle angle sector gear 41 and wheel bundle angle worm screw 40 throws off then, rotate 360 ° of camber angle holder 24 rotations with hand, press the well azimuth of level meter, finely tune back rake angle handwheel 35, leaning angle handwheel 11, camber angle handwheel 32 respectively, up to level meter 360 ° rotate not have tilt till.Rotate back rake angle display disc 36, main leaning angle display disc 12, camber angle display disc 31 to zero-bit with hand then.At last wheel bundle angle display disc 38 is transferred to zero-bit, takes off level meter, load onto by the wheel positioning parameter measuring instrument of calibrating calibration.
2, each parameter is provided with adjustment process
(I) positive and negative according to the value of setting, rotate back rake angle handwheel 35 forward or backwards with hand, be delivered to back rake angle disc 7 and back rake angle edge cover 2 with the back rake angle sector gear 6 of back rake angle worm screw 5 engagements, main shaft 1 rotation, make kingpin castor angle be provided with that governor motion, kingpin inclination are provided with governor motion, the angle setting of wheel bundle and steering mechanism, camber angle is provided with the governor motion rotation, be indicated to predetermined value up to back rake angle display disc 36.
(2) positive and negative according to the value of setting, rotate leaning angle handwheel 11 forward or backwards with hand, be delivered to leaning angle disc 16 and internal-oblique-angle bushing 9 with the leaning angle sector gear 15 of leaning angle worm screw 14 engagements, angle setting of wheel bundle and steering mechanism, camber angle are provided with governor motion and rotate up and down, are indicated to predetermined value up to leaning angle display disc 12.
(3) positive and negative according to the value of setting, rotate camber angle handwheel 32 forward or backwards with hand, be delivered to camber angle disc 27 and camber angle edge cover 25 with the camber angle sector gear 28 of camber angle worm screw 30 engagements, instrument mount pad 23 rotates up and down, is indicated to predetermined value up to camber angle display disc 31.
(4) positive and negative according to the value of setting, with hand rotating-wheel bundle angle handwheel 37 forward or backwards, be delivered to wheel bundle angle disc 42 and stub 22 with the wheel bundle angle sector gear 41 of wheel bundle angle worm screw 40 engagements, wheel bundle angle is provided with and steering mechanism's left rotation and right rotation, is indicated to predetermined value up to wheel bundle angle display disc 38.
3, wheel positioning parameter measuring instrument assay calibration
By by the measurement range of each parameter of calibrating calibrating wheel positioning parameter measuring instrument, get 5～8 points between waiting, arrange in order, by the handwheel of adjusting mechanism is set separately, adjusting is set accurately one by one, the adjusting data are indicated by display disc regulated value accurately are set.With being measured one by one by the wheel positioning parameter measuring instrument of calibrating calibration, the result who records one by one with regulated value accurately is set relatively, judge the sum of errors accuracy class of being examined and determine calibrating wheel positioning parameter measuring instrument according to their difference.
Wheel bundle angle and camber angle assay calibration are undertaken by above-mentioned assay calibration step.
The kingpin castor angle assay calibration, to be installed on the instrument mount pad 23 by the wheel positioning parameter measuring instrument of calibrating calibration, rotating-wheel bundle angle handwheel 37, rotate 20 ° to the left or to the right, to be aimed at horizontal zero by the wheel positioning parameter measuring instrument of calibrating calibration, turn over 40 ° more round about, by being recorded data by the wheel positioning parameter measuring instrument of calibrating calibration.The kingpin inclination assay calibration is identical with the kingpin castor angle assay calibration.
Claims (5)
1. calibrating apparatus for wheel positioning parameter measuring instrument, it is characterized in that: the upper end at base (34) is provided with the back rake angle holder (3) that main shaft (1) is installed, left end at main shaft (1) is provided with back rake angle edge cover (2), back rake angle holder (3) is provided with back rake angle back up pad (8), back rake angle back up pad (8) and back rake angle edge cover (2) are provided with kingpin castor angle governor motion are set, right-hand member at main shaft (1) is provided with swing arm (18) and internal-oblique-angle bushing (9) and internal-oblique-angle fixing seat (10), internal-oblique-angle fixing seat (10) is provided with internal-oblique-angle supporting plate (17), internal-oblique-angle bushing (9) and internal-oblique-angle supporting plate (17) are provided with kingpin inclination governor motion are set, outside being provided with, the right-hand member of swing arm (18) is connected with gland (21), in the stub cover (20) of stub (22) is installed, at the middle part of swing arm (18) fixed head (33) is set, the lower end of fixed head (33) and stub (22) is provided with wheel bundle angle and is provided with and steering mechanism, in the lower end of stub (22) the camber angle holder (24) that camber angle edge cover (25) and camber angle back up pad (26) are installed is set also, camber angle edge cover (25) and camber angle back up pad (26) are provided with camber angle governor motion are set.
2. according to the described calibrating apparatus for wheel positioning parameter measuring instrument of claim 1, it is characterized in that said kingpin castor angle is provided with governor motion and is: the inner of back rake angle disc (7) is arranged on the back rake angle edge cover (2), the outer end connects with back rake angle sector gear (6), back rake angle worm screw holder (4) is arranged on the outer end of back rake angle back up pad (8), back rake angle worm screw holder (4) is provided with the back rake angle worm screw (5) with back rake angle sector gear (6) engagement, and back rake angle worm screw (5) is provided with back rake angle indicator and back rake angle handwheel (35).
3. according to the described calibrating apparatus for wheel positioning parameter measuring instrument of claim 1, it is characterized in that: it is identical with the structure that kingpin castor angle is provided with governor motion that said kingpin inclination is provided with governor motion, the angle setting of wheel bundle and steering mechanism, camber angle is provided with governor motion, but the physical dimension of parts is inequality.
4. according to the described calibrating apparatus for wheel positioning parameter measuring instrument of claim 2, it is characterized in that: said back rake angle indicator is back rake angle display disc (36).
5. according to the described calibrating apparatus for wheel positioning parameter measuring instrument of claim 4, it is characterized in that: said back rake angle indicator also can be for showing the digital indicator of rotational angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100431268A CN100387960C (en) | 2005-08-22 | 2005-08-22 | Calibrating apparatus for wheel positioning parameter measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100431268A CN100387960C (en) | 2005-08-22 | 2005-08-22 | Calibrating apparatus for wheel positioning parameter measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1731123A CN1731123A (en) | 2006-02-08 |
| CN100387960C true CN100387960C (en) | 2008-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100431268A Expired - Fee Related CN100387960C (en) | 2005-08-22 | 2005-08-22 | Calibrating apparatus for wheel positioning parameter measuring instrument |
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| Country | Link |
|---|---|
| CN (1) | CN100387960C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2367366T3 (en) * | 2006-04-10 | 2011-11-02 | Snap-On Equipment Srl A Unico Socio | 3D WHEEL ALIGNMENT APPLIANCE WITHOUT CONTACT, SYSTEM AND PROCEDURE OF THE SAME. |
| CN101451918B (en) * | 2008-12-26 | 2010-12-29 | 东风汽车公司 | Wheel alignment parameter detecting and positioning frock |
| 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 |
| CN107021244B (en) * | 2017-04-21 | 2019-08-02 | 陕西飞机工业（集团）有限公司 | A kind of measuring device for aircraft nose wheel deflection angle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1118065A (en) * | 1994-08-27 | 1996-03-06 | 宋魁武 | Method for quickly measuring positioning-parameter off steering wheel |
| CN2387507Y (en) * | 1999-07-09 | 2000-07-12 | 玄绪明 | Optical four-wheel position indicator |
| CN2653477Y (en) * | 2003-01-23 | 2004-11-03 | 吉林大学 | Four wheel positioner detector |
| CN1558199A (en) * | 2004-01-20 | 2004-12-29 | 张新国 | Dynamic detector for steering wheel positioning of automobile |
| US20050178015A1 (en) * | 2002-06-04 | 2005-08-18 | Kiyonobu Hara | Method and device for measuring wheel alignment of car |
-
2005
- 2005-08-22 CN CNB2005100431268A patent/CN100387960C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1118065A (en) * | 1994-08-27 | 1996-03-06 | 宋魁武 | Method for quickly measuring positioning-parameter off steering wheel |
| CN2387507Y (en) * | 1999-07-09 | 2000-07-12 | 玄绪明 | Optical four-wheel position indicator |
| US20050178015A1 (en) * | 2002-06-04 | 2005-08-18 | Kiyonobu Hara | Method and device for measuring wheel alignment of car |
| CN2653477Y (en) * | 2003-01-23 | 2004-11-03 | 吉林大学 | Four wheel positioner detector |
| CN1558199A (en) * | 2004-01-20 | 2004-12-29 | 张新国 | Dynamic detector for steering wheel positioning of automobile |
Non-Patent Citations (2)
| Title |
|---|
| 车轮定位参数测量原理及系统固有误差. 刘卷苍，祁东辉，张庆余.长安大学学报(自然科学版)，第24卷第4期. 2004 |
| 车轮定位参数测量原理及系统固有误差. 刘卷苍，祁东辉，张庆余.长安大学学报(自然科学版)，第24卷第4期. 2004 * |
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|---|---|
| CN1731123A (en) | 2006-02-08 |
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