CN101858723A - Device and method for measuring highest point of automobile wheel arch - Google Patents
Device and method for measuring highest point of automobile wheel arch Download PDFInfo
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- CN101858723A CN101858723A CN 201010186444 CN201010186444A CN101858723A CN 101858723 A CN101858723 A CN 101858723A CN 201010186444 CN201010186444 CN 201010186444 CN 201010186444 A CN201010186444 A CN 201010186444A CN 101858723 A CN101858723 A CN 101858723A
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- slide rheostat
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- wheel arch
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- 239000000523 sample Substances 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012797 qualification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
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Abstract
The invention discloses a device and a method for measuring a highest point of an automobile wheel arch, belonging to the field of measurement of highest points of automobile wheel arches. The device comprises a slide rheostat, a probe, a first travel mechanism and a display unit, wherein one end of the probe can move along an automobile wheel arch, and the other end is connected with the slide rheostat; the slide rheostat is positioned in the first travel mechanism and can move along a direction axially perpendicular to the slide rheostat; the display unit is connected with the slide rheostat and displays the resistance value of the slide rheostat; the first travel mechanism is used for enabling the probe to move along the axial direction of the slide rheostat when the slide rheostat moves along the direction axially perpendicular to the slide rheostat and simultaneously changing the resistance value of the slide rheostat; and when the resistance value is a limit value, a point corresponding to the probe is the highest point of the automobile wheel arch. The invention can determine the position of the highest point of the automobile wheel arch by moving the probe and recording the numerical value of the display unit and is easy and convenient to operate, and the device has lower cost because parts used for the device have low price.
Description
Technical field
The present invention relates to the fields of measurement of highest point of automobile wheel arch, particularly a kind of apparatus and method of measured automobiles wheel arch peak.
Background technology
The automobile wheel arch is the equipment that is positioned at body of a motor car, tire top, and wheel arch plays the effect of decorating vehicle body and reducing resistance.The peak of wheel arch has influence on position, suspension rate and the car load attitude of tire.Therefore, it is particularly important to find out this position accurately.
Really the peak of fixed wheel eyebrow commonly used at present has two kinds of methods, and the one, the manual measurement method is promptly with the naked eye determined the core wheel position, utilizes cord or other instrument again, finds on the wheel arch a bit vertically upward, and thinks that this point is exactly the wheel arch peak; The 2nd, to measure with three-coordinates measuring machine, three-coordinates measuring machine is a kind of fine measuring instrument, can be divided into main frame, gauge head, electrical system three parts; Main frame is divided into framework, measuring scale system, guide rail, drive unit, equalizing feature, turntable and annex; Electrical system is divided into electric control system, computer hardware part, measuring machine software, printing and the plotting unit that electric control system is a measuring machine.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art: for first method, manual measurement can cause than mistake, also is difficult to avoid even if repeatedly measure, and the peak of the wheel arch of measuring is not accurate enough; For second method, the three-coordinates measuring machine complex structure, so cost height, volume are big, and inconvenient operation.
Summary of the invention
Measure the high and unhandy shortcoming of cost greatly and with three-coordinates measuring machine in order to overcome the manual measurement error, the embodiment of the invention provides a kind of device and method of measured automobiles wheel arch peak.Described technical scheme is as follows:
On the one hand, provide a kind of device of measured automobiles wheel arch peak, described device comprises slide rheostat, probe, first travel mechanism and display unit;
Described probe one end can move along the automobile wheel arch, the other end is connected with described slide rheostat, described slide rheostat is positioned at described first travel mechanism, and described slide rheostat can be along moving with self axially vertical direction, and described display unit links to each other with described slide rheostat;
Described first travel mechanism is used at described slide rheostat along with when self axially vertical direction moves, described probe is moved along the axial direction of described slide rheostat, and described probe changes the resistance of described slide rheostat when moving, when described resistance was ultimate value, the point of described probe correspondence was a highest point of automobile wheel arch;
Described display unit is used to show the variation of described slide rheostat resistance.
On the other hand, provide a kind of method of measured automobiles wheel arch peak, described method comprises:
Determine on the automobile wheel arch a bit, make this point of an end in contact of described probe;
Make described slide rheostat along moving with self axially vertical direction, simultaneously, the other end of described probe axial direction along described slide rheostat under the effect of described first travel mechanism moves, and makes a described end of described probe move along described automobile wheel arch;
In the moving process of described probe, write down the numerical value that described display unit shows, when described numerical value was ultimate value, the point of described probe correspondence was a highest point of automobile wheel arch.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is: move along the automobile wheel arch by probe, and the resistance that drives slide rheostat changes, catch the slight change of resistance by display unit, find out the ultimate value of resistance, thereby determine the position of highest point of automobile wheel arch, greatly improved the accuracy that highest point of automobile wheel arch is measured.And, by first travel mechanism probe is moved along the slide rheostat axial direction, and the numerical value of recording and displaying unit, easy and simple to handle; Simultaneously, the parts that this device is used are cheap, so the cost of device is lower.
Description of drawings
Fig. 1 is the device synoptic diagram of a measured automobiles wheel arch peak providing in the embodiment of the invention 1;
Fig. 2 is the device synoptic diagram of another measured automobiles wheel arch peak of providing in the embodiment of the invention 1;
Fig. 3 is the structural drawing of second mechanism 105 in the device of the measured automobiles wheel arch peak that provides in the embodiment of the invention 1;
Fig. 4 is the principle of work circuit diagram of the device of the measured automobiles wheel arch peak that provides in the embodiment of the invention 1;
Fig. 5 is the method flow diagram of the measured automobiles wheel arch peak that provides in the embodiment of the invention 2.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment 1
Referring to Fig. 1, present embodiment provides a kind of device of measured automobiles wheel arch peak, comprises slide rheostat 101, probe 102, first travel mechanism 103 and display unit 104; Probe 102 1 ends can move along the automobile wheel arch, the other end is connected with slide rheostat 101, slide rheostat 101 is positioned at first travel mechanism 103, and slide rheostat 101 can be along moving with self axially vertical direction, and display unit 104 links to each other with slide rheostat 101.
In the present embodiment, referring to Fig. 2, first travel mechanism 103 comprises spring 1031, and spring 1031 is placed in slide rheostat 101 outsides, and the one end is connected with probe 102, and the original state of device is the peak that probe 102 is positioned at the extended state of spring 1031.Fixing for convenience, framework can also be set, slide rheostat 101 is positioned within the framework; In addition, can also in said apparatus, increase a base, and the circuit part of display unit and slide rheostat composition is arranged on base inside, and display unit 104 is presented at the base top, observe the numerical value that display unit 104 shows to make things convenient for the user.Preferably, the device in the present embodiment had both comprised said frame, comprised above-mentioned base again, used this device to measure to make things convenient for the user.
In the present embodiment, referring to Fig. 3, the device of above-mentioned measured automobiles wheel arch peak can also comprise second travel mechanism 105, is used to make slide rheostat 101 along moving with self axially vertical direction.Wherein, second travel mechanism 105 can specifically comprise: knob 1051, gear 1052 and tooth bar 1053; Gear 1052 and tooth bar 1053 engagements, tooth bar 1053 links to each other with slide rheostat 101.Further, second travel mechanism 105 can also comprise slideway 1054, slideway 1054 be used to make slide rheostat 101 in the scope of slideway 1054 along moving with self axially vertical direction, thereby can control the moving range of slide rheostat 101 more accurately.Certainly, except utilizing second travel mechanism 105 to make slide rheostat 101 along moving this mode with self axially vertical direction, the embodiment of the invention is not got rid of and can also otherwise be realized, touching moving framework as the user with have gentle hands slides or the like, this embodiment of the invention is not done concrete qualification, preferably adopt the above-mentioned mode of utilizing second travel mechanism 105 that the axial vertical direction of slide rheostat 101 edges and self is moved, thereby control probe 102 that can be easy is mobile, the position of measuring highest point of automobile wheel arch more accurately.
In the present embodiment, the ultimate value of slide rheostat 101 comprises maximal value and minimum value.Ultimate value is that maximal value is meant when probe 102 moves to the wheel arch peak, and the effective resistance of corresponding slide rheostat 101 is the maximal value of slide rheostat 101 resistances; Ultimate value is that minimum value is meant when probe 102 moves to the wheel arch peak, and the effective resistance of corresponding slide rheostat 101 is the minimum value of slide rheostat 101 resistances.Wherein, ultimate value is a maximal value or minimum value selected connected mode and determining when being connected in series in the circuit by slide rheostat 101.Selected connected mode made that ultimate value is that maximal value is an example, does not do qualification to the connected mode of slide rheostat 101 when present embodiment only was connected in series in the circuit with slide rheostat 101.
Said apparatus utilizes Ohm law to realize measuring, and referring to Fig. 4, is that sensitive galvanometer 1041 is that example specifies with display unit 104.The inner circuit of this device comprises: slide rheostat 101, sensitive galvanometer 1041, switch 106 and power supply 107.In conjunction with Fig. 3, the process of utilizing Ohm law realize to measure is specific as follows: knob 1051 is used for control gear 1052 and rotates, and gear 1052 drives tooth bars 1053, make slide rheostat 101 in the scope of slideway 1054 along moving with self axially vertical direction; Slide rheostat 101 is along when self axially vertical direction moves, probe 102 moves along the axial direction of slide rheostat 101, and probe 102 changes the resistance of slide rheostat 101 when moving, the reacting condition of resistance is the variation of current value to the sensitive galvanometer 1041, when current value hour, the resistance value maximum, at this moment, the point of probe 102 correspondences is a highest point of automobile wheel arch.
Wherein, sensitive galvanometer is the device that can show resistance value indirectly, present embodiment only is example with the sensitive galvanometer, the device that shows resistance value is not done qualification, for example, the device that shows resistance value can also be multimeter or sensitive voltmeter, or other any device that can reflect change in resistance etc.
The device that present embodiment provides, move along the automobile wheel arch by probe, and the resistance that drives slide rheostat changes, catch the slight change of resistance by sensitive galvanometer, find out the ultimate value of resistance, thereby determine the position of highest point of automobile wheel arch, greatly improved the accuracy that highest point of automobile wheel arch is measured.And, by second travel mechanism, turning knob, the described gear of described knob controlling is rotated, the described tooth bar of described gear driven makes described slide rheostat along moving with self axially vertical direction, by first travel mechanism probe is moved along the slide rheostat axial direction simultaneously, be that turning knob is that the may command probe moves along the automobile wheel arch, very easy in the operation; And the parts that this device is used are cheap, so the cost of device is lower.
Embodiment 2
Referring to Fig. 4, present embodiment provides a kind of method of measured automobiles wheel arch peak, and the measurement device automobile wheel arch that provides among the said apparatus embodiment is provided, and this method specifically comprises:
Step 201: determine on the automobile wheel arch a bit, make this point of an end in contact of probe;
Step 202: the axial vertical direction of slide rheostat edge and self is moved, and simultaneously, the other end of probe axial direction along slide rheostat under the effect of first travel mechanism moves, and makes an end of probe move along the automobile wheel arch;
Concrete, when said apparatus comprises that second travel mechanism and second travel mechanism comprise knob, gear and tooth bar; Can turning knob, the knob controlling gear is rotated, the tooth bar that the gear driven engagement links to each other makes the slide rheostat that links to each other with tooth bar along moving with self axial vertical direction.
Further, when above-mentioned second travel mechanism also comprises slideway, slide rheostat can also be in the scope of this slideway along moving with self axially vertical direction, thereby can control the moving range of slide rheostat 101 more accurately.
Step 203: in the moving process of probe, the numerical value that recording and displaying unit shows, when numerical value was ultimate value, the point of probe correspondence was a highest point of automobile wheel arch.
Wherein, display unit can be sensitive galvanometer, selected connected mode when slide rheostat is connected in series in the circuit, can be to make when ultimate value is maximal value the peak of corresponding automobile wheel arch, in this case, show current value hour, the resistance value maximum when sensitive galvanometer, at this moment, the point of probe correspondence is a highest point of automobile wheel arch.The method that certain present embodiment provides can also adopt alternate manner to realize, detailed process is identical with the description among the said apparatus embodiment, repeats no more herein.
The method that present embodiment provides, move along the automobile wheel arch by probe, and the resistance that drives slide rheostat changes, catch the slight change of resistance by sensitive galvanometer, find out the ultimate value of resistance, thereby determine the position of highest point of automobile wheel arch, greatly improved the accuracy that highest point of automobile wheel arch is measured.And, by second travel mechanism, turning knob, the described gear of described knob controlling is rotated, the described tooth bar of described gear driven makes described slide rheostat along moving with self axially vertical direction, by first travel mechanism probe is moved along the slide rheostat axial direction simultaneously, be that turning knob is that the may command probe moves along the automobile wheel arch, very easy in the operation; And the parts that this device is used are cheap, so the cost of device is lower.
The method of the measured automobiles wheel arch peak that the foregoing description provides and the device embodiment of measured automobiles wheel arch peak belong to same design, and its specific implementation process sees device embodiment for details, repeats no more here.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the device of a measured automobiles wheel arch peak is characterized in that, described device comprises slide rheostat, probe, first travel mechanism and display unit;
Described probe one end can move along the automobile wheel arch, the other end is connected with described slide rheostat, described slide rheostat is positioned at described first travel mechanism, and described slide rheostat can be along moving with self axially vertical direction, and described display unit links to each other with described slide rheostat;
Described first travel mechanism is used at described slide rheostat along with when self axially vertical direction moves, described probe is moved along the axial direction of described slide rheostat, and described probe changes the resistance of described slide rheostat when moving, when described resistance was ultimate value, the point of described probe correspondence was a highest point of automobile wheel arch;
Described display unit is used to show the variation of described slide rheostat resistance.
2. device as claimed in claim 1 is characterized in that, described first travel mechanism comprises spring;
Described spring is placed in described slide rheostat outside, and the one end is connected with described probe, and the original state of described device is the peak that described probe is positioned at the extended state of described spring.
3. device as claimed in claim 1 is characterized in that described device also comprises second travel mechanism;
Described second travel mechanism is used to make described slide rheostat along moving with self axially vertical direction.
4. device as claimed in claim 3 is characterized in that, described second travel mechanism comprises knob, gear and tooth bar;
Described gear and the engagement of described tooth bar, described tooth bar links to each other with described slide rheostat;
Described knob is used to control described gear and rotates, and the described tooth bar of described gear driven makes described slide rheostat along moving with self axially vertical direction.
5. device as claimed in claim 4 is characterized in that, described second travel mechanism also comprises slideway;
Described slideway be used to make described slide rheostat in the scope of described slideway along moving with self axially vertical direction.
6. device as claimed in claim 1 is characterized in that, described display unit is specially sensitive galvanometer, multimeter or sensitive voltmeter.
7. utilize the method for measurement device highest point of automobile wheel arch as claimed in claim 1, it is characterized in that, described method comprises:
Determine on the automobile wheel arch a bit, make this point of an end in contact of described probe;
Make described slide rheostat along moving with self axially vertical direction, simultaneously, the other end of described probe axial direction along described slide rheostat under the effect of described first travel mechanism moves, and makes a described end of described probe move along described automobile wheel arch;
In the moving process of described probe, write down the numerical value that described display unit shows, when described numerical value was ultimate value, the point of described probe correspondence was a highest point of automobile wheel arch.
8. method as claimed in claim 7 is characterized in that described device also comprises second travel mechanism, and described second travel mechanism comprises knob, gear and tooth bar; Described gear and the engagement of described tooth bar, described tooth bar links to each other with described slide rheostat; Described knob is used to control described gear and rotates, and the described tooth bar of described gear driven makes described slide rheostat along moving with self axially vertical direction;
Correspondingly, make described slide rheostat, specifically comprise along moving with self axially vertical direction:
Turning knob rotates the described gear of described knob controlling, and the described tooth bar of described gear driven makes described slide rheostat along moving with self axially vertical direction.
9. method as claimed in claim 8 is characterized in that, described second travel mechanism also comprises slideway, described slideway be used to make described slide rheostat in the scope of described slideway along moving with self axially vertical direction;
Correspondingly, the described tooth bar of described gear driven makes described slide rheostat along moving with self axially vertical direction, specifically comprises:
Make described slide rheostat in the scope of described slideway along moving with self axially vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101864440A CN101858723B (en) | 2010-05-25 | 2010-05-25 | Device and method for measuring highest point of automobile wheel arch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101864440A CN101858723B (en) | 2010-05-25 | 2010-05-25 | Device and method for measuring highest point of automobile wheel arch |
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| Publication Number | Publication Date |
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| CN101858723A true CN101858723A (en) | 2010-10-13 |
| CN101858723B CN101858723B (en) | 2011-11-16 |
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| CN2010101864440A Active CN101858723B (en) | 2010-05-25 | 2010-05-25 | Device and method for measuring highest point of automobile wheel arch |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582323A (en) * | 2012-03-17 | 2012-07-18 | 福州大学 | Intelligent ruler |
| CN110132738A (en) * | 2019-05-20 | 2019-08-16 | 中南大学 | A kind of anchor rod drawing force checking device |
| CN112880550A (en) * | 2021-04-08 | 2021-06-01 | 吉林大华机械制造有限公司 | Auxiliary mechanism for automobile product detection |
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| US4891889A (en) * | 1987-05-05 | 1990-01-09 | Garda Impianti S.R.L. | Apparatus for measure and/or check the position and orientation of characteristic spots or areas in structures, particularly in motor-vehicle bodies |
| EP0757229A2 (en) * | 1995-08-04 | 1997-02-05 | SCHENCK KOMEG GmbH | Device to determine without contact the height position of a motor vehicle |
| KR20040060089A (en) * | 2002-12-30 | 2004-07-06 | (주) 정설시스템 | A tread tester of wheel and rail |
| CN2759888Y (en) * | 2004-05-31 | 2006-02-22 | 东风汽车有限公司 | Automobile mudguard and coupling mechanism thereof |
| CN201235858Y (en) * | 2008-06-06 | 2009-05-13 | 奇瑞汽车股份有限公司 | Fender structure of automotive vehicle body |
-
2010
- 2010-05-25 CN CN2010101864440A patent/CN101858723B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4891889A (en) * | 1987-05-05 | 1990-01-09 | Garda Impianti S.R.L. | Apparatus for measure and/or check the position and orientation of characteristic spots or areas in structures, particularly in motor-vehicle bodies |
| EP0757229A2 (en) * | 1995-08-04 | 1997-02-05 | SCHENCK KOMEG GmbH | Device to determine without contact the height position of a motor vehicle |
| KR20040060089A (en) * | 2002-12-30 | 2004-07-06 | (주) 정설시스템 | A tread tester of wheel and rail |
| CN2759888Y (en) * | 2004-05-31 | 2006-02-22 | 东风汽车有限公司 | Automobile mudguard and coupling mechanism thereof |
| CN201235858Y (en) * | 2008-06-06 | 2009-05-13 | 奇瑞汽车股份有限公司 | Fender structure of automotive vehicle body |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582323A (en) * | 2012-03-17 | 2012-07-18 | 福州大学 | Intelligent ruler |
| CN102582323B (en) * | 2012-03-17 | 2014-07-30 | 福州大学 | Intelligent ruler |
| CN110132738A (en) * | 2019-05-20 | 2019-08-16 | 中南大学 | A kind of anchor rod drawing force checking device |
| CN112880550A (en) * | 2021-04-08 | 2021-06-01 | 吉林大华机械制造有限公司 | Auxiliary mechanism for automobile product detection |
| CN112880550B (en) * | 2021-04-08 | 2022-05-27 | 吉林大华机械制造有限公司 | Auxiliary mechanism for automobile product detection |
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| CN101858723B (en) | 2011-11-16 |
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