CN103528482A - Measuring equipment for toe-in angle and camber angle of automobile torsion beam - Google Patents
Measuring equipment for toe-in angle and camber angle of automobile torsion beam Download PDFInfo
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- CN103528482A CN103528482A CN201310492187.7A CN201310492187A CN103528482A CN 103528482 A CN103528482 A CN 103528482A CN 201310492187 A CN201310492187 A CN 201310492187A CN 103528482 A CN103528482 A CN 103528482A
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Abstract
The invention relates to the technical field of the measurement of a toe-in angle and a camber angle of an automobile torsion beam, in particular to measuring equipment for the toe-in angle and the camber angle of brake disc mounting end faces of the automobile torsion beam. The measuring equipment comprises locating mechanisms which are respectively arranged on stands and are used for clamping and locating the torsion beam. The measuring equipment also comprises supports respectively arranged on the stands and respectively arranged near the brake disc mounting end faces; each support is provided with three dial indicators. Each set of three dial indicators comprises a first dial indicator, a second dial indicator and a third dial indicator, wherein two measuring bars of each first dial indicator and each second dial indicator are parallel with the horizontal plane, and are spaced; each third dial indicator is arranged above the space of the corresponding first dial indicator and the corresponding second dial indicator; measuring terminals of each set of three dial indicators are abutted to the brake disc mounting end faces. By utilizing the transformation relation of trigonometric functions on measured values of each set of three dial indicators, the toe-in angle and the camber angle of the torsion beam can be obtained. The measuring equipment is simple in measuring method, low in equipment cost and high in efficiency.
Description
Technical field
The present invention relates to automobile and turn round the field of measuring technique of beam toe-in angle and camber angle, particularly a kind of automobile is turned round the measurement mechanism of beam toe-in angle and camber angle.
Background technology
Turn round beam as the important component part of automotive suspension, turn round the two ends of beam and be arranged to the brake flange installation end face parallel with brake flange card, brake flange with turn round the brake flange that arranges on beam and end face is installed is fastenedly connected, brake flange external plates face arranges wheel hub and tire, the central plane of tire is parallel with the plate face of turning round the setting of beam two ends, can find out that the toe-in angle of automobile and the size of camber angle are directly relevant with the plate face of turning round the setting of beam two ends, and the toe-in angle of automobile and camber angle are two very important angles, the two can guarantee the straight-line travelling of vehicle stabilization and the portability turning to, and can reduce the wearing and tearing of tire and turning member in Vehicle Driving Cycle.
Specifically, camber angle refers to that the angle of wheel and pedal line is called camber angle from headstock prestige to wheel.Wheel top is outward-dipping get on the occasion of, slope inwardly and get negative value, the load of vehicle is differentiated when having people to take and not taking, the object that designs the earliest camber angle is when adapting to the variation of this load, appoint and so can guarantee the earth-grasping force of tire, generally be on the occasion of, namely outward-dipping.Toe-in angle refers to the angle between automobile longitudinal central plane and central plane of wheel and the intersection on ground.The setting of toe-in angle is the harmful effect bringing in order to eliminate camber angle the earliest.The harmful effect that positive camber angle is brought is that the tire of vehicle outwards runs, in order to guarantee that left and right wheels can advance toward the direction according to certain rule, retrains wheel with toe-in angle and runs inwards.
Present stage, owing to turning round the brake flange of the setting at beam two ends and install the central plane of end face and tire, be arranged in parallel, direct by draw toe-in angle and the camber angle of actual automobile to turning round the brake flange installation end planar survey arranging on beam in enterprise, the method adopting in enterprise is to be fixedly installed in frame turning round beam, utilize coelosphere to measure the three-dimensional coordinate that brake flange is installed end face, thereby draw toe-in angle and the camber angle of the brake flange installation end face of turning round beam two ends, yet, although adopt, precision is generally not high in this way, and the inefficiency of measuring, and the apparatus expensive of three-coordinate instrument, cost is higher.
Summary of the invention
The object of the present invention is to provide a kind of automobile to turn round the toe-in angle of beam and the measurement mechanism of camber angle improves the efficiency of measurement and the precision of measurement.
For realizing above object, the technical solution used in the present invention is: a kind of automobile is turned round the measurement mechanism of beam B toe-in angle and camber angle, comprise and be arranged on the detent mechanism of turning round beam B on support for clamping position, also comprise and be arranged on support and lean on the bearing that end face A is installed through brake flange, on bearing, be provided with 3 dial gauges, comprise the 3rd dial gauge that the top at 2 parallel with surface level and spaced apart the first dial gauges of sounding rod and the second dial gauge and the first dial gauge and the second dial gauge interval arranges, the measuring junction of described 3 dial gauges and brake flange installation end face A against.
Compared with prior art, there is following technique effect in the present invention: utilizes and be arranged on 3 dial gauges on bearing, during measurement the measuring junction of three dial gauges and brake flange install end face against, can draw first, second, the reading of the 3rd dial gauge is designated as respectively a, b, c, position relationship due to 3 dial gauges settings, can draw distance and the 3rd dial gauge and first of the first dial gauge and the second dial gauge, the vertical range of the second dial gauge is designated as respectively f, h, so just can utilize trigonometric function transformation relation to draw the toe-in angle α=Arcsin[(a-b that turns round beam B)/f], turn round camber angle β=Arcsin{[(a+b of beam B)/2-c]/h}, this kind of measuring method is simple, measure efficiency, precision is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic diagram of measurement of the present invention while turning round beam;
Fig. 3 is that in the present invention, plate body is installed the schematic diagram of end face assembling with the brake flange of turning round beam;
Fig. 4 is the I enlarged drawing of Fig. 1;
Fig. 5 is the structural representation of plate body of the present invention.
Embodiment
Below in conjunction with Fig. 1 to Fig. 5, the present invention is described in further detail:
A kind of automobile is turned round the measurement mechanism of beam toe-in angle and camber angle, comprise and be arranged on the detent mechanism 20 of turning round beam on support 10 for clamping position, shown in Fig. 2 and Fig. 3, according to the structure of turning round beam, need to carry out clamping and positioning to turning round several key positions of beam B, comprise and being fixed turning round the end lining ring of beam trailing arm, turning round the bracketing at beam trailing arm and transverse arm crossover location place fixes, turn round the fixing of beam B trailing arm end side, the principle that detent mechanism 20 arranges is to turning round the location of beam B, to clamp and make the measurement that brake flange installation end face can be convenient to measuring mechanism to be as the criterion realizing,
What is more important, also comprise and be arranged on support 10 and lean on the bearing 40 that end face A is installed through brake flange, on bearing 40, be provided with 3 dial gauges, dial gauge has digital display and pointer two kinds, the 3rd dial gauge 33 that comprises the top setting at 2 parallel with surface level and spaced apart the first dial gauges 31 of sounding rod and the second dial gauge 32 and the first dial gauge 31 and the second dial gauge 32 intervals, described in when the toe-in angle of beam B and camber angle are turned round in measurement the measuring junction of 3 dial gauges and brake flange install end face A against, utilization is arranged on 3 dial gauges on bearing, during measurement the measuring junction of three dial gauges and brake flange install end face A against, can draw first, second, the reading of the 3rd dial gauge is designated as respectively a, b, c, position relationship due to 3 dial gauges settings, can draw distance and the 3rd dial gauge and first of the first dial gauge and the second dial gauge, the vertical range of the second dial gauge is designated as respectively f, h, can utilize like this trigonometric function transformation relation to draw the toe-in angle α=Arcsin[(a-b that turns round beam B)/f], turn round the camber angle β=Arcsin{[(a+b of beam)/2-c]/h}, the method that beam toe-in angle and camber angle are turned round in this kind of measurement is simple, equipment price is cheap, the precision of measuring, efficiency is high.
Further, as preferred version of the present invention, shown in Fig. 2 and Fig. 3, due to brake flange install end face A be directly and brake flange be bolted connection, and brake flange is connected with wheel hub fastening, in fact the camber angle of automobile and toe-in angle draw by measuring the brake flange of wheel hub center position, the plate face that described brake flange is installed end face A is provided with plate body 50, the biside plate face of plate body 50 be arranged in parallel, the side plate face of plate body 50 and brake flange are installed end face A and are fastenedly connected, another lateral plates of the measuring junction of described 3 dial gauges and plate body 50 against, dial gauge is measured three value a that plate body 50 draws like this, b, the result that in fact c draws and directly measure the more measuring state during entrucking of closing to reality of the state that comes to the same thing and measure that brake flange installs end face A.
Further, conception to better implement the present invention, shown in Fig. 5, described plate body 50 and 3 dial gauge measuring junctions mutually against side plate face on be provided with 3 boss 51,3 boss 51 are vertical arrange plate body 50 plate face and with the corresponding setting of measuring junction of 3 dial gauges, the plane at the end face place of 3 boss 51 is in a plane and the plane at place and the plate face of plate body 50 be arranged in parallel, so just can guarantee the accuracy of measurement result.
Finally, shown in Fig. 1, Fig. 2, Fig. 4, described bearing 40 comprises and is provided with the riser vertical with base plate 10 41, described 3 dial gauges are arranged on the plate face of riser 41, the measuring junction of 3 dial gauges stretches out riser 41, with brake flange, the close side plate face of end face A is installed, for more convenient measurement, improve the efficiency of measuring, the slide rail 11 arranging on the plate face that bearing 40 reclines with base plate 10 forms slidingtypes and coordinates, the pushing mechanism 60 that base plate 10 plate faces arrange promote dial gauge measuring junction on bearings 40 against or away from brake flange installation end face A.
Claims (4)
1. an automobile is turned round the measurement mechanism of beam toe-in angle and camber angle, it is characterized in that: comprise and be arranged on the upper detent mechanism (20) of turning round beam B for clamping position of support (10), also comprise the bearing (40) that is arranged on support (10) and end face A is installed near brake flange, on bearing (40), be provided with 3 dial gauges, the 3rd dial gauge (33) that comprises the top setting at 2 parallel with surface level and spaced apart the first dial gauges of sounding rod (31) and the second dial gauge (32) and the first dial gauge (31) and the second dial gauge (32) interval, the measuring junction of described 3 dial gauges and brake flange install end face A against.
2. the measurement mechanism of turning round beam toe-in angle and camber angle according to claim 1, it is characterized in that: the plate face that described brake flange is installed end face A is provided with plate body (50), the biside plate face of plate body (50) be arranged in parallel, the side plate face of plate body (50) and brake flange are installed end face A and are fastenedly connected, another lateral plates of the measuring junction of described 3 dial gauges and plate body (50) against.
3. the measurement mechanism of turning round beam toe-in angle and camber angle according to claim 2, it is characterized in that: described plate body (50) and 3 dial gauge measuring junctions mutually against side plate face on be provided with 3 boss (51), 3 boss (51) are vertical arrange plate body (50) plate face and with the corresponding setting of measuring junction of 3 dial gauges, the plane at the end face place of 3 boss (51) is in a plane and the plane at place and the plate face of plate body (50) be arranged in parallel.
4. the measurement mechanism of turning round beam toe-in angle and camber angle according to claim 1, it is characterized in that: described bearing (40) comprises and is provided with the riser (41) vertical with base plate (10), described 3 dial gauges are arranged on the plate face of riser (41), the measuring junction of 3 dial gauges stretches out riser (41), with brake flange, the close side plate face of end face A is installed, the slide rail (11) arranging on the plate face that bearing (40) reclines with base plate (10) forms slidingtype and coordinates, the pushing mechanism (60) that base plate (10) plate face arranges promote dial gauge measuring junction on bearing (40) against or away from brake flange, end face A is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310492187.7A CN103528482B (en) | 2013-10-18 | 2013-10-18 | Automobile is turned round the measurement mechanism of beam toe-in angle and camber angle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310492187.7A CN103528482B (en) | 2013-10-18 | 2013-10-18 | Automobile is turned round the measurement mechanism of beam toe-in angle and camber angle |
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| Publication Number | Publication Date |
|---|---|
| CN103528482A true CN103528482A (en) | 2014-01-22 |
| CN103528482B CN103528482B (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310492187.7A Active CN103528482B (en) | 2013-10-18 | 2013-10-18 | Automobile is turned round the measurement mechanism of beam toe-in angle and camber angle |
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| CN (1) | CN103528482B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588743A (en) * | 2017-08-17 | 2018-01-16 | 柳州三松自动化技术有限公司 | The equipment detected for torsion-beam axle plate end plane angle after automobile |
| CN108050962A (en) * | 2018-01-08 | 2018-05-18 | 柳州三松自动化技术有限公司 | The equipment detected for torsion-beam axle plate end plane angle after automobile |
| CN110940534A (en) * | 2019-12-26 | 2020-03-31 | 中信戴卡股份有限公司 | Tester inclination calibrating device |
| CN113624477A (en) * | 2021-08-11 | 2021-11-09 | 安徽江淮汽车集团股份有限公司 | Device and method for measuring angle of rear torsion beam under different loads |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100380096C (en) * | 2003-07-28 | 2008-04-09 | 本田技研工业株式会社 | Method and device for measuring automobile wheel alignment |
| CN102012206A (en) * | 2010-10-19 | 2011-04-13 | 奇瑞汽车股份有限公司 | Device and method for dynamically measuring toe-in angle and camber angle of automobile |
| CN203100659U (en) * | 2012-07-31 | 2013-07-31 | 烟台汇众汽车底盘系统有限公司 | Rear axle metal working assembly testing fixture |
| CN203534493U (en) * | 2013-10-18 | 2014-04-09 | 安徽万安汽车零部件有限公司 | Device for measuring toe-in angle and camber angle of automotive torsion beam |
-
2013
- 2013-10-18 CN CN201310492187.7A patent/CN103528482B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100380096C (en) * | 2003-07-28 | 2008-04-09 | 本田技研工业株式会社 | Method and device for measuring automobile wheel alignment |
| CN102012206A (en) * | 2010-10-19 | 2011-04-13 | 奇瑞汽车股份有限公司 | Device and method for dynamically measuring toe-in angle and camber angle of automobile |
| CN203100659U (en) * | 2012-07-31 | 2013-07-31 | 烟台汇众汽车底盘系统有限公司 | Rear axle metal working assembly testing fixture |
| CN203534493U (en) * | 2013-10-18 | 2014-04-09 | 安徽万安汽车零部件有限公司 | Device for measuring toe-in angle and camber angle of automotive torsion beam |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588743A (en) * | 2017-08-17 | 2018-01-16 | 柳州三松自动化技术有限公司 | The equipment detected for torsion-beam axle plate end plane angle after automobile |
| CN108050962A (en) * | 2018-01-08 | 2018-05-18 | 柳州三松自动化技术有限公司 | The equipment detected for torsion-beam axle plate end plane angle after automobile |
| CN110940534A (en) * | 2019-12-26 | 2020-03-31 | 中信戴卡股份有限公司 | Tester inclination calibrating device |
| CN113624477A (en) * | 2021-08-11 | 2021-11-09 | 安徽江淮汽车集团股份有限公司 | Device and method for measuring angle of rear torsion beam under different loads |
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| Publication number | Publication date |
|---|---|
| CN103528482B (en) | 2016-05-25 |
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