CN203629838U - Split-type portable calibrating apparatus for four-wheel aligner - Google Patents
Split-type portable calibrating apparatus for four-wheel aligner Download PDFInfo
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- CN203629838U CN203629838U CN201320828036.XU CN201320828036U CN203629838U CN 203629838 U CN203629838 U CN 203629838U CN 201320828036 U CN201320828036 U CN 201320828036U CN 203629838 U CN203629838 U CN 203629838U
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- wheel
- assay module
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Abstract
The utility model relates to the field of four-wheel alignment detection, and discloses a split-type portable calibrating apparatus for a four-wheel aligner. The calibrating apparatus comprises a front-wheel detector, a rear-wheel detector, a clamp and an angle measuring instrument display device. The front-wheel detector and the rear-wheel detector are arranged in correspondence. The clamp clamps the front-wheel detector and the rear-wheel detector. The angle measuring instrument display device is connected with the front-wheel detector and the rear-wheel detector. The beneficial effects of the utility model are that the improved apparatus can be conveniently transported and mounted; the shaft wheel track of the calibrating apparatus can be conveniently adjusted; and a high-precision angle encoder is mounted for precise display of a measured angle, such that high-precision angle output is achieved while simplifying the structure of an angle measuring input mechanism and reducing the processing cost.
Description
Technical field
The utility model relates to four-wheel detection and localization field, particularly a kind of Split portable calibrating apparatus for four-wheel positioning instrument.
Background technology
The technical basis of the calibrating of domestic present is JJF1194-2004 four-wheel position finder calibrating standard; In present calibrating standard, the simulation axle to calibrating installation, wheel distance are not made requirement; Calibrating installation is take utilizing of promoting mainly in the existing calibrating standard calibrating apparatus for four-wheel positioning instrument that the folded mode in inclination angle simulates stub locus as main.But at present the weak point of inclination angle superposing type calibrating apparatus for four-wheel positioning instrument is: the simulation arbor wheel carpenters square of inclination angle superposing type type calibrating installation is cun fixing, cannot adjust and much smaller than actual axle wheelspan; Because the arbor wheel of the calibrating installation of the type is apart from little, may cause head sensor to be contained in after calibrating installation, because wheelbase closely interferes the normal detection operation that affects four-wheel position finder, cause examining and determine; This inclination angle superposing type calibrating installation, in the time detecting two inclination angles of stub, is to form a caster according to first simulating, then the method for simulation formation another one caster, and has introduced error, cannot reach calibrating permissible accuracy.
Summary of the invention
In order to solve the problems of the prior art, the utility model provides a kind of Split portable calibrating apparatus for four-wheel positioning instrument, cannot adjust and exist much smaller than actual axle wheelspan with while detecting two inclination angles of stub the problem of larger error while solving the calibrating of current four-wheel location.
The technical scheme that the utility model solution prior art problem adopts is: a kind of Split portable calibrating apparatus for four-wheel positioning instrument of Design and manufacture, is made up of front-wheel detecting device, trailing wheel detecting device, fixture and measurement of angle instrument display device; Described front-wheel detecting device, the corresponding arrangement of trailing wheel detecting device; Described fixture clamps described front-wheel detecting device and described trailing wheel detecting device; Described measurement of angle instrument display device connects described front-wheel detecting device and trailing wheel detecting device.
As further improvement of the utility model: described front-wheel detecting device comprises the near front wheel assay module, off-front wheel assay module and verification table support; Described left front head sensor is connected with described the near front wheel assay module; Tested four-wheel position finder head sensor is connected with described the near front wheel assay module and the near front wheel assay module by unit clamp; Described the near front wheel assay module and off-front wheel assay module are movably fixed on described verification table support.
As further improvement of the utility model: described the near front wheel assay module is identical with described off-front wheel assay module structure; Described the near front wheel assay module comprises mobile base, feed mechanism, the pulling block that inclines, rotating mechanism, locking plate, locking member, coupling block and chuck; Described feed mechanism connects described mobile base; Pulling block inclines described in described locking member is fixing; The described pulling block that inclines connects described rotating mechanism; Described feed mechanism connects described rotating mechanism; Described coupling block connects described rotating mechanism; One end of described rotating mechanism is connected with described chuck, and other one end of described rotating mechanism and one end of described rotating mechanism are connected with described chuck, and other one end of described rotating mechanism is connected with described measurement of angle instrument display device; Described locking plate connects described rotating mechanism; Described locking plate connects described rotating mechanism.
As further improvement of the utility model: described feed mechanism comprises toe-in angle index feed mechanism, Kingpin inclination index plate feed mechanism and reverse caster index plate feed mechanism.
As further improvement of the utility model: described locking member comprises reverse caster locking knob and the Kingpin inclination locking knob that inclines; Described caster pulling block comprises reverse caster shifting block and Kingpin inclination shifting block; Described reverse caster locking knob is locked described reverse caster shifting block, and described Kingpin inclination locking knob is locked described Kingpin inclination shifting block.
As further improvement of the utility model: described rotating mechanism is spherical pair rotating mechanism; Described locking plate is sphere locking plate and is fixed on described spherical pair rotating mechanism.
As further improvement of the utility model: described measurement of angle instrument display device comprises angular encoder and single-chip microcomputer display system; Described angular encoder connects described single-chip microcomputer display system; Described angular encoder connects described front-wheel detecting device and trailing wheel detecting device.
The beneficial effects of the utility model are: the beneficial effects of the utility model are: the device after improvement can be carried more easily and install, can conveniently regulate the arbor wheel distance of calibrating installation, accurate demonstration by the high-precision angular encoder of design and installation to measured angle also can realize and control high-precision angle output in greatly reducing take measurement of an angle feed mechanism structure and processing cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model Split portable calibrating apparatus for four-wheel positioning instrument.
Fig. 2 is the independent principle analysis figure that forms that the utility model calibrating installation is measured caster.
Fig. 3 is the utility model Split portable calibrating apparatus for four-wheel positioning instrument scheme of installation.
Verification table support after verification table support g before the tested four-wheel position finder head of a sensor b the near front wheel assay module c off-front wheel assay module d left rear wheel assay module e off hind wheel assay module f
Fig. 4 is the utility model calibrating installation the near front wheel testing agency schematic diagram.
1. the mobile base 2. Horizontal dividing feed mechanism 3. Kingpin inclination index plate feed mechanism 4. reverse caster index plate feed mechanism 5. reverse caster shifting block 6. Kingpin inclination shifting block 7. spherical pair rotating mechanism 8. sphere locking plate 9. coupling block 10. special carrier 11. reverse caster locking knob 12. Kingpin inclinations locking knob 13 high precision angular encoders that incline.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of Split portable calibrating apparatus for four-wheel positioning instrument, is made up of front-wheel detecting device, trailing wheel detecting device, fixture and measurement of angle instrument display device; Described front-wheel detecting device, the corresponding arrangement of trailing wheel detecting device; Described fixture clamps described front-wheel detecting device and described trailing wheel detecting device; Described measurement of angle instrument display device connects described front-wheel detecting device and trailing wheel detecting device.
Described front-wheel detecting device comprises the near front wheel assay module, off-front wheel assay module and verification table support; Tested four-wheel position finder head sensor is connected with described the near front wheel assay module and off-front wheel assay module by unit clamp; Described the near front wheel assay module and off-front wheel assay module are movably fixed on described verification table support.
According to claim 1, Split portable calibrating apparatus for four-wheel positioning instrument, is characterized in that: described trailing wheel detecting device comprises left rear wheel assay module, off hind wheel assay module and verification table support; Tested four-wheel position finder head sensor is connected with described left rear wheel assay module and off hind wheel assay module by unit clamp; Described the near front wheel assay module and off-front wheel assay module are movably fixed on described verification table support.
Described the near front wheel assay module is identical with described off-front wheel assay module structure; Described the near front wheel assay module comprises mobile base, feed mechanism, the pulling block that inclines, rotating mechanism, locking plate, locking member, coupling block and chuck; Described feed mechanism connects described mobile base; Pulling block inclines described in described locking member is fixing; The described pulling block that inclines connects described rotating mechanism; Described feed mechanism connects described rotating mechanism; Described coupling block connects described rotating mechanism; One end of described rotating mechanism is connected with described chuck, and other one end of described rotating mechanism and one end of described rotating mechanism are connected with described chuck, and other one end of described rotating mechanism is connected with described measurement of angle instrument display device; Described locking plate connects described rotating mechanism; Described locking plate connects described rotating mechanism.
Described feed mechanism comprises toe-in angle feed mechanism, Kingpin inclination index plate feed mechanism and reverse caster index plate feed mechanism.
Described locking member comprises reverse caster locking knob and the Kingpin inclination locking knob that inclines; Described caster pulling block comprises reverse caster shifting block and Kingpin inclination shifting block; Described reverse caster locking knob is locked described reverse caster shifting block, and described Kingpin inclination locking knob is locked described Kingpin inclination shifting block.
Described rotating mechanism is spherical pair rotating mechanism; Described locking plate is sphere locking plate and is fixed on described spherical pair rotating mechanism.
Described measurement of angle instrument display device comprises angular encoder and single-chip microcomputer display system; Described angular encoder connects described single-chip microcomputer display system; Described angular encoder connects described front-wheel detecting device and trailing wheel detecting device.
Angular encoder connection spherical pair rotating mechanism transmission of angle value, in single-chip microcomputer display system, are calculated and are carried out the calibrating of angle by single-chip microcomputer display system.
In one embodiment, this calibrating installation is made up of front-wheel detecting device, trailing wheel detecting device, multi-functional clamp and measurement of angle instrument display device, as shown in Figure 1:
(1) front-wheel detecting device and trailing wheel detecting device are mainly to form corresponding four-wheel orientation angle parameter by the tested four-wheel position finder head of each detection feed mechanism control Sensor Analog Relay System.
(2) multi-functional clamp is the clamping type in order to better meet all kinds of four-wheel position finder head sensors, this calibrating installation has designed two kinds of simulated wheel wheel hub and self centering scroll chucks, substantially can the clamping head sensor of various types of four-wheel position finders on the market.
(3) meter displaying device shows the pulse signal that is arranged on the high precision angular encoder output of measuring each angle parameter on calibrating installation angle value after treatment, to realize the demarcation to corresponding four-wheel position finder angle value.
A. calibrating installation can be simulated the wheelbase that wheel is set;
Because four-wheel position finder internal processes is to record by complicated model space geometric in the time measuring each angle parameter, the way that simultaneously computation model is revised according to the wheelspan of different automobile types and wheelbase, therefore calibrating apparatus for four-wheel positioning instrument should be examined and determine on simulating vehicle full-size(d) basis.Support body before and after this calibrating installation main structure body is divided into, regulates corresponding wheelbase by the distance of support body before and after adjusting.
B. calibrating installation can simulate the residing locus of stub
This calibrating installation is based upon have been analyzed on the various different location structures of automotive wheel and the basis of parameter, use computer utility kinematic principle accurately to simulate relative position and the kinematic relation between deflecting roller, stub, front axle, detection four-wheel position finder degree of freedom and constraint condition are determined, according to the definition of caster, as shown in Figure 2, utilize kingpin castor angle and the kingpin inclination independently to form principle, overcome the theoretical error that in calibrating installation in the past, caster stack calibration method produces.
C. the angle-measurement accuracy of calibrating installation is high
Because the each parameter angle control module detecting on stand before and after this calibrating installation is all the micrometer feeds for realizing angle, and corresponding angle precision is to be measured and shown by high precision angular encoder to guarantee.By selecting high-precision angular encoder, the requirement of the right alignment when angular encoder of simultaneously controlling well is installed, even if angle parameter control module feeding part can be introduced error owing to manufacturing, installing and operating, but while finally simulating respective angles, be to be presented at data in instrument after measuring by scrambler as standard angle value, the angle-measurement accuracy requirement that therefore this calibrating installation can the each parameter of more effective assurance.
D. according to the current structure of various four-wheel position finders on the market, designed Special tooling clamp, can the clamping head survey sensor of all kinds of four-wheel position finders on the market.
The actual axle carpenters square of Split portable calibrating apparatus for four-wheel positioning instrument energy simulating vehicle cun, stub testing agency independently generates principle according to caster angle component simultaneously, can simulate accurately the locus that stub is in, truly realize the calibrating to four-wheel position finder camber angle, toe-in, the every major parameter of caster.In addition, this installs all angle parameters and measures demonstration by high precision angular encoder, meets the accuracy requirement of demarcating four-wheel position finder completely, convenient carrying simultaneously, and Installation and Debugging are simple, are particularly suitable for the on-site proving of measurement verification department and use.
Current most of calibrating apparatus for four-wheel positioning instrument is integral type, and the arbor wheel of simulation is apart from being all less than actual axle wheelspan, the hard trouble of integral type calibrating apparatus for four-wheel positioning instrument carrying simultaneously, this utility model is front and back two parts by calibrating installation mechanical body partial design, convenient in carrying, on-the-spot flexible for installation;
Current calibrating apparatus for four-wheel positioning instrument drives corresponding execution unit to rotate corresponding angle by stepper motor mostly, but because making final precision, various errors cannot guarantee, the utility model is by designing last link that is arranged on execution unit of high precision angular encoder, show and effectively control corresponding angle by high-precision encoder, reduce structure and the processing cost of angle feed arrangement simultaneously, also guaranteed to obtain high-precision angle value.
Current a lot of inclination angles superposing type calibrating apparatus for four-wheel positioning instrument is simulated and is formed caster by stacked system, but there is theoretical overlay error, the utility model is according to the definition of caster, independent stub camber angle and the kingpin inclination of forming, both formation does not interfere with each other stack, has overcome the generation of theoretical modeling error from principle.
The many configurations of four-wheel position finder kind at present, for effectively clamping sensor of energy, the utility model has designed special frock clamp group, can adapt to the clamping of current all types of four-wheel position finder sensors.
Below introduce different calibrating means:
The calibration method of 4.1 each angle parameters
Before calibrating, shown in figure tri-, the head sensor clamping of tested four-wheel position finder, to the stand of calibrating installation, is adjusted to corresponding horizontal adjusting bolt, Rack Body before and after leveling, and Rack Body all directions alignment all around before and after making, i.e. zeroing.
4.4.1 the calibrating of toe-in angle
After calibrating installation zeroing, toe-in angle is the horizontal rotary mechanism around z axle by water, drive the head sensor of accredited four-wheel position finder to rotate corresponding angle, the toe-in angle that the toe-in angle of measuring by high-precision encoder by calibrating installation is measured four-wheel position finder is demarcated.
4.4.2 the calibrating of camber angle
Camber angle, by the rotating mechanism around y axle, drives the head sensor of accredited four-wheel position finder to rotate corresponding angle, and the toe-in angle that the toe-in angle of measuring by high-precision encoder by calibrating installation is measured four-wheel position finder is demarcated.
4.4.3 the calibrating of caster
Due to stub in locus and stub be positioned at the front-wheel of automobile, therefore caster only for front-wheel, existing take the near front wheel as example, the kingpin castor angle to four-wheel position finder and the calibrating of kingpin inclination are introduced.
As shown in Figure 3, first calibrating installation is installed after zeroing, sphere locking plate 8 in Fig. 4 is locked, then adjust centralized positioning spherical pair rotating mechanism 7 and make it in relaxation state, can realize and can independently independently rotatablely move around x axle with around the space of y axle respectively with implement device.Then regulate the rotating mechanism that rotates around x axle: set reverse caster ahead locking knob 11 and lock, Kingpin inclination is set locking knob 12 ahead and unclamped, control reverse caster index plate feed mechanism 4 and rotate certain angle and simulate formation kingpin castor angle; Then regulate the rotating mechanism that rotates around y axle: the locking knob 12 that Kingpin inclination is set ahead is locked, and reverse caster is set locking knob 11 ahead and unclamped, control Kingpin inclination index plate feed mechanism and rotate 3 certain angles and simulate formation kingpin inclination; Finally measure the principle of caster according to four-wheel position finder, rotating makes it clockwise rotate θ angle around the near front wheel horizontal rotary mechanism 2 of z axle, rotate counterclockwise again 2 θ angles, first beat again the process of direction left to the right to realize simulation front-wheel, make four-wheel position finder detect two extreme positions in left and right and calculate kingpin castor angle and kingpin inclination, finally standard angle value shown instrument in itself and calibrating installation is relatively carried out to the demarcation of caster.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. a Split portable calibrating apparatus for four-wheel positioning instrument, is characterized in that: be made up of front-wheel detecting device, trailing wheel detecting device, fixture and measurement of angle instrument display device; Described front-wheel detecting device, the corresponding arrangement of trailing wheel detecting device; Described fixture clamps described front-wheel detecting device and described trailing wheel detecting device; Described measurement of angle instrument display device connects described front-wheel detecting device and trailing wheel detecting device.
2. Split portable calibrating apparatus for four-wheel positioning instrument according to claim 1, is characterized in that: described front-wheel detecting device comprises the near front wheel assay module, off-front wheel assay module and verification table support; Tested four-wheel position finder head sensor is connected with described the near front wheel assay module and off-front wheel assay module by unit clamp; Described the near front wheel assay module and off-front wheel assay module are movably fixed on described verification table support.
3. Split portable calibrating apparatus for four-wheel positioning instrument according to claim 1, is characterized in that: described trailing wheel detecting device comprises left rear wheel assay module, off hind wheel assay module and verification table support; Tested four-wheel position finder head sensor is connected with described left rear wheel assay module and off hind wheel assay module by unit clamp; Described left rear wheel assay module and off hind wheel assay module are movably fixed on described verification table support.
4. Split portable calibrating apparatus for four-wheel positioning instrument according to claim 2, is characterized in that: described the near front wheel assay module is identical with described off-front wheel assay module structure; Described the near front wheel assay module comprises mobile base, feed mechanism, the pulling block that inclines, rotating mechanism, locking plate, locking member, coupling block and chuck; Described feed mechanism connects described mobile base; Pulling block inclines described in described locking member is fixing; The described pulling block that inclines connects described rotating mechanism; Described feed mechanism connects described rotating mechanism; Described coupling block connects described rotating mechanism; One end of described rotating mechanism is connected with described chuck, and other one end of described rotating mechanism is connected with described measurement of angle instrument display device; Described locking plate connects described rotating mechanism.
5. Split portable calibrating apparatus for four-wheel positioning instrument according to claim 4, is characterized in that: described feed mechanism comprises toe-in angle index feed mechanism, Kingpin inclination index plate feed mechanism and reverse caster index plate feed mechanism.
6. Split portable calibrating apparatus for four-wheel positioning instrument according to claim 5, is characterized in that: described locking member comprises reverse caster locking knob and the Kingpin inclination locking knob that inclines; Described caster pulling block comprises reverse caster shifting block and Kingpin inclination shifting block; Described reverse caster locking knob is locked described reverse caster shifting block, and described Kingpin inclination locking knob is locked described Kingpin inclination shifting block.
7. Split portable calibrating apparatus for four-wheel positioning instrument according to claim 4, is characterized in that: described rotating mechanism is spherical pair rotating mechanism; Described locking plate is sphere locking plate and is fixed on described spherical pair rotating mechanism.
8. Split portable calibrating apparatus for four-wheel positioning instrument according to claim 1, is characterized in that: described measurement of angle instrument display device comprises angular encoder and single-chip microcomputer display system; Described angular encoder connects described single-chip microcomputer display system; Described angular encoder connects described front-wheel detecting device and trailing wheel detecting device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320828036.XU CN203629838U (en) | 2013-12-16 | 2013-12-16 | Split-type portable calibrating apparatus for four-wheel aligner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320828036.XU CN203629838U (en) | 2013-12-16 | 2013-12-16 | Split-type portable calibrating apparatus for four-wheel aligner |
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| CN203629838U true CN203629838U (en) | 2014-06-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317973A (en) * | 2017-01-17 | 2018-07-24 | 北京信息科技大学 | A kind of full rotation type single-wheel vehicle four-wheel position finder calibrating installation and method |
| CN109489994A (en) * | 2018-12-27 | 2019-03-19 | 吉林大学 | Bicyclic dynamic analog stub monomer calibrating apparatus for four-wheel positioning instrument |
-
2013
- 2013-12-16 CN CN201320828036.XU patent/CN203629838U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317973A (en) * | 2017-01-17 | 2018-07-24 | 北京信息科技大学 | A kind of full rotation type single-wheel vehicle four-wheel position finder calibrating installation and method |
| CN109489994A (en) * | 2018-12-27 | 2019-03-19 | 吉林大学 | Bicyclic dynamic analog stub monomer calibrating apparatus for four-wheel positioning instrument |
| CN109489994B (en) * | 2018-12-27 | 2024-02-13 | 吉林大学 | Double-ring dynamic simulation master pin single four-wheel aligner calibrating device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20141216 |
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| EXPY | Termination of patent right or utility model |