CN101650149A - Arc diameter detector and manufacturing and using methods thereof - Google Patents
Arc diameter detector and manufacturing and using methods thereof Download PDFInfo
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- CN101650149A CN101650149A CN200810073745A CN200810073745A CN101650149A CN 101650149 A CN101650149 A CN 101650149A CN 200810073745 A CN200810073745 A CN 200810073745A CN 200810073745 A CN200810073745 A CN 200810073745A CN 101650149 A CN101650149 A CN 101650149A
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Abstract
The invention discloses an arc diameter detector and manufacturing and using methods thereof. The arc diameter detector comprises a standard meter-setting block, a detector body and a measuring instrument. The parameters of the detector body can be determined by transmission coefficients; the measuring instrument is zeroed according to the standard meter-setting block; and the variable quantity ofthe measured arc diameter is linear with the variable quantity of the distance between the center point of the detector body and the arc bottom of a detected arc. Aiming at the defects that the arc diameter detector in the prior art has complex operations and large measurement errors, the arc diameter detector has the advantages of compact design, simplicity, practicability and precise measurement.
Description
Technical field
Manufacturing of the amount of the invention belongs to cubing and manufacturing thereof, using method particularly, relate to arc diameter detector and manufacturing thereof, using method.
Background technology
In machining, often need to measure the diameter of circular arc.Because the circular arc of surveying is not a full circle, and often needs to measure at the scene, measuring equipments such as inside meter, internal measuring micrometer, three coordinate machine all are difficult to meet the demands.
The 126th page of method for designing that has proposed a kind of spherical radius cubing in " inspection jig design " (thank really and write, China Machine Press, in Dec, 2000).In above-mentioned method for designing, calculated in advance goes out a tables of data, relatively determines arc diameter by tabling look-up during use.
In realizing process of the present invention, the inventor finds that there are following defective at least in arc diameter detector in the prior art and manufacturing thereof, using method: 1. can not provide the Transfer Formula of arc diameter variable quantity (Δ D) and measurement instrument reading (Δ h), cause measuring operation loaded down with trivial details; 2. do not provide the computing formula of transfer coefficient, can not design arc diameter detector as required with specific transfer coefficient; 3. cubing when zeroing contact is the plane, differs greatly with the circular arc of actual measurement, causes measurement result to have error.
Summary of the invention
The objective of the invention is at arc diameter detector complex operation in the prior art, design is restricted, measuring error is bigger defective, propose a kind of simple and practical, compact to design, measure accurate arc diameter detector and manufacturing thereof, using method.
For achieving the above object, according to an aspect of the present invention, provide a kind of arc diameter detector, having comprised: standard is measured assembly and is comprised cubing body and measurement instrument table block, measurement assembly, and standard is provided with circular arc-shaped recess to table block; The cubing body is positioned in the circular arc-shaped recess of standard to table block; Open vertical through hole in the middle of the cubing body; Measurement instrument is installed on vertical through hole, and the sounding rod of measurement instrument passes vertical through hole, contacts with the circular arc-shaped recess of standard to table block.
In the technique scheme, standard is to table block circular arc simulation measured circular arc shape, and its diameter equals the intermediate value of the diameter of measured circular arc.
Preferably, the cubing body is an arc with the part that standard contacts table block.Can be fabricated to arc by corresponding rib, or realize by the minor diameter roller is embedded in the corresponding rib with the cubing body.
Preferably, measurement instrument is a clock gauge.Simultaneously, measurement instrument also can be other class measurement instruments such as dial gauge, lever meter.
To achieve these goals, according to another aspect of the present invention, provide a kind of manufacture method of arc diameter detector, comprising: standard is provided with circular arc-shaped recess to table block, and its diameter equals the intermediate value of measured circular arc diameter; By the intermediate value of transfer coefficient and measured circular arc diameter, determine the length of cubing body; Open vertical through hole in the middle of the cubing body, measurement instrument is installed on described vertical through hole, and the sounding rod of measurement instrument passes vertical through hole, contacts with the circular arc-shaped recess of standard to table block.
In the technique scheme, arc diameter detector satisfies:
Wherein: k is the transfer coefficient of described arc diameter detector; D is the intermediate value of described measured circular arc diameter; L is the length of described cubing body; H is the mid point of described cubing body and the described standard distance at the bottom of to table block circular arc-shaped recess arc.
Preferential, when the transfer coefficient of arc diameter detector is 1, the length l=0.943D of described cubing body, wherein: D is the intermediate value of described measured circular arc diameter.
To achieve these goals, according to another aspect of the present invention, a kind of using method of arc diameter detector is provided, comprise: measure assembly and place standard table block, the two ends of cubing body contact the table block circular arc-shaped recess with standard, the sounding rod of measurement instrument contacts with at the bottom of the arc of standard to the circular arc-shaped recess of table block, and measurement instrument is returned to zero; Measure assembly and place measured circular arc, the two ends of described cubing body contact with described measured circular arc, measure the mid point of cubing body and the distance at the bottom of the measured circular arc arc; According to the mid point of cubing body and the distance at the bottom of the measured circular arc arc,, determine the measured circular arc vary in diameter by the transfer coefficient of arc diameter detector.
In the technique scheme, the variable quantity of the distance of the mid point of measured circular arc vary in diameter amount and cubing body at the bottom of the measured circular arc arc is a linear relationship.
The arc diameter detector of various embodiments of the present invention and manufacturing thereof, using method, by the shape of employing standard cubing is returned to zero to table block simulation measured circular arc, determine the linear relationship between the measured value of measured circular arc diameter variation amount and measurement instrument, thereby solved the data transfer of arc diameter detector and transmitted the computational problem of ratio, propose a kind of simple and practical, compact to design, measure accurate arc diameter detector and manufacturing thereof, using method.
Other features and advantages of the present invention will be set forth in the following description, and, partly from instructions, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the instructions of being write, claims and accompanying drawing.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of instructions, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the front view according to the embodiment of the invention one arc diameter detector;
Fig. 2 is the schematic diagram according to the embodiment of the invention two arc diameter detector method for makings.
Description of reference numerals:
The 1-standard is to table block; 2-cubing body; The 3-clock gauge;
The 4-roller.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Embodiment one
Fig. 1 is the front view of the embodiment of the invention one arc diameter detector, comprising: standard is measured assembly and is comprised cubing body 2 and clock gauge 3 table block 1, measurement assembly.Standard is provided with circular arc-shaped recess to table block 1, and the diameter of circular arc-shaped recess equals the intermediate value of measured circular arc diameter.Cubing body 2 is positioned in the circular arc-shaped recess of standard to table block 1; Open vertical through hole in the middle of the cubing body 2; Clock gauge 3 is installed on above-mentioned vertical through hole, and the sounding rod of measurement instrument passes above-mentioned vertical through hole, contacts with the circular arc-shaped recess of standard to table block.The rib place perforate that cubing body 2 and standard contact table block 1 (or measured circular arc), roller 4 is embedded in the above-mentioned hole, and to the circular arc of table block 1 (or measured circular arc) inscribe mutually.The two ends of cubing body contact with the circular arc-shaped recess of standard to table block 1, and the sounding rod of measurement assembly contacts with at the bottom of the arc of circular arc-shaped recess.When measuring, to measure assembly and place measured circular arc, the two ends of cubing body contact with measured circular arc, and the sounding rod of measurement assembly contacts with at the bottom of the arc of measured circular arc.
The arc diameter detector of present embodiment has following beneficial effect: 1. simple in structure, compact to design, be easy to carry, and help carrying out in-site measurement; 2. adopt the minor diameter arc surface to replace sharp seamed edge contact workpiece, both prolonged the cubing life-span, can avoid cubing body scratch workpiece again.
Embodiment two
Fig. 2 is the schematic diagram according to the embodiment of the invention two arc diameter detector method for makings.As shown in Figure 2, D is the diameter (equal the intermediate value of measured circular arc diameter) of standard to table block 1, and l is the length of cubing body 2, and h is the mid point of cubing body 2 and the standard distance at the bottom of to table block arc-shaped depression portion arc.According to above-mentioned definition, as can be known:
Place measured circular arc when measuring assembly, when the diameter of measured circular arc had subtle change (Δ D) with respect to standard to the diameter of table block 1, the distance at the bottom of the mid point of cubing body 2 and the measured circular arc arc also had corresponding variation (Δ h), is differentiated in formula (1) two ends
:
ΔD＝k×Δh (2)
Wherein:
By formula (2) as can be known, k is the transfer coefficient between the variable quantity of the mid point of measured circular arc diameter variation amount and cubing body 2 and the distance at the bottom of the measured circular arc arc, and measured circular arc diameter variation amount (Δ D) is simple linear relationship (Δ D=k * Δ h) with variable in distance amount (Δ h).Transfer coefficient k is by the parameter l of cubing itself as can be known by formula (3), and h is unique to be determined.According to above-mentioned conclusion, can further try to achieve the length that transfer coefficient is 1 o'clock cubing body 2
As shown in the figure, this moment α=141.058 °.
Present embodiment is illustrated the principle of arc diameter detector method for making, has determined the relation between the length of transfer coefficient, measured circular arc diameter, cubing body.Transfer coefficient is determined by the parameter of cubing body 2 itself is unique; Intermediate value by the diameter of transfer coefficient and measured circular arc also can be determined the length of cubing body 2, and can be the length of 1 o'clock cubing body 2 in the hope of transfer coefficient.Above-mentioned advantage is very easy to the design of arc diameter detector, has simplified the step that the engineering staff measures, and has improved the accuracy of measuring.
Embodiment three
Embodiment three is for the making of arc diameter detector of the present invention and use flow process.If the intermediate value of the diameter of measured circular arc is 20mm, the transfer coefficient of the arc diameter detector of design is 1.
At first, by the transfer coefficient of arc diameter detector among the embodiment two is 1 o'clock α=141.058 °, can get: l=18.85mm, making length is the cubing body 2 of 18.85mm, open vertical through hole in the middle of the cubing body 2, clock gauge 3 is installed in the above-mentioned vertical through hole, and cubing body 2 and clock gauge 3 are formed the measurement assembly; Standard is provided with circular arc-shaped recess to table block 1, and the diameter of circular arc-shaped recess is 20mm, and the making step of arc diameter detector finishes;
Secondly, to measuring the assembly zeroing, measure assembly and be positioned in the circular arc-shaped recess of standard to table block 1; Cubing body 2 two ends are contacted with on the measured circular arc, and the sounding rod of clock gauge 3 contacts with the circular arc-shaped recess of standard to table block, the clock gauge zeroing.
At last, measure assembly and place measured circular arc, cubing body 2 two ends are contacted with on the measured circular arc, the sounding rod of clock gauge 3 contacts with at the bottom of the arc of measured circular arc, if clock gauge 3 indication 0.003mm, because the transfer coefficient of the arc diameter detector of manufacturing is 1, then measured circular arc diameter variation amount is 0.003mm.
Embodiment three has narrated the making of arc diameter detector of the present invention and has used flow process.At first design transfer coefficient and be 1 cubing; Then table block is returned to zero to arc diameter detector according to standard; At last measured circular arc is measured the variable quantity of determining arc diameter according to the reading and the transfer coefficient of clock gauge.Method and apparatus in the present embodiment has whole beneficial effects of embodiment 1, embodiment 2, no longer repeats herein.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an arc diameter detector is characterized in that, comprising: standard is to table block, measurement assembly, and described measurement assembly comprises cubing body and measurement instrument, and described standard is provided with circular arc-shaped recess to table block; Described cubing body is positioned in the circular arc-shaped recess of described standard to table block; Open vertical through hole in the middle of the described cubing body; Described measurement instrument is installed on described vertical through hole, and the sounding rod of described measurement instrument passes described vertical through hole, and contacts at the bottom of the arc of described standard to the table block circular arc-shaped recess.
2. arc diameter detector according to claim 1 is characterized in that, described standard equals the intermediate value of the diameter of measured circular arc to the diameter of table block circular arc-shaped recess.
3. according to each described arc diameter detector in claim 1 or 2, it is characterized in that described cubing body is an arc with the part that described standard contacts table block.
4. according to each described arc diameter detector in claim 1 or 2, it is characterized in that described measurement instrument is a clock gauge.
5. the manufacture method of each described arc diameter detector among the claim 1-4 is characterized in that, comprising:
Described standard is provided with circular arc-shaped recess to table block, and described circular arc-shaped recess diameter equals the intermediate value of described measured circular arc diameter;
By the intermediate value of transfer coefficient and described measured circular arc diameter, determine the length of described cubing body;
Opens vertical through hole in the middle of the described cubing body, measurement instrument is installed on described vertical through hole, and the sounding rod of described measurement instrument passes described vertical through hole, and contacts at the bottom of the arc of described standard to the table block circular arc-shaped recess.
6. the manufacture method of arc diameter detector according to claim 5 is characterized in that, also comprises:
According to the length of described cubing body and the intermediate value of described measured circular arc diameter, determine the transfer coefficient of described arc diameter detector.
7. according to the manufacture method of claim 5 or 6 described arc diameter detectors, it is characterized in that described arc diameter detector satisfies:
Wherein:
K is the transfer coefficient of described arc diameter detector;
D is the intermediate value of described measured circular arc diameter;
L is the length of described cubing body;
H is the mid point of described cubing body and the described standard distance at the bottom of to table block circular arc-shaped recess arc.
8. according to the manufacture method of claim 5 or 6 described arc diameter detectors, it is characterized in that, when the transfer coefficient of arc diameter detector is 1, the length l=0.943D of described cubing body, wherein: D is the intermediate value of described measured circular arc diameter.
9. the using method of each described arc diameter detector among the claim 1-4 is characterized in that, comprising:
Described measurement assembly places described standard to table block, the two ends of described cubing body contact the table block circular arc-shaped recess with described standard, the sounding rod of described measurement instrument contacts with at the bottom of the arc of described standard to the circular arc-shaped recess of table block, and described measurement instrument is returned to zero;
Described measurement assembly places described measured circular arc, and the two ends of described cubing body contact with described measured circular arc, and described measurement instrument is measured the mid point of described cubing body and the distance at the bottom of the described measured circular arc arc;
According to the mid point of described cubing body and the distance at the bottom of the described measured circular arc arc,, determine described measured circular arc vary in diameter by the transfer coefficient of described arc diameter detector.
10. the using method of arc diameter detector according to claim 9 is characterized in that, the variable quantity of the distance of the mid point of described measured circular arc vary in diameter amount and described cubing body at the bottom of the described measured circular arc arc is a linear relationship.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810073745A CN101650149A (en) | 2008-08-12 | 2008-08-12 | Arc diameter detector and manufacturing and using methods thereof |
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| CN200810073745A CN101650149A (en) | 2008-08-12 | 2008-08-12 | Arc diameter detector and manufacturing and using methods thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438785A (en) * | 2013-07-16 | 2013-12-11 | 东风朝阳朝柴动力有限公司 | Gauge for radius of semicircular thrust surface of engine body of diesel engine |
| CN104596396A (en) * | 2014-12-30 | 2015-05-06 | 青特集团有限公司 | Device for measuring inside diameter of semi-arc |
| CN107063158A (en) * | 2017-06-01 | 2017-08-18 | 浙江大学 | Elongated bore diameter and cylindricity measuring method based on dual sensor error separate |
| CN114353721A (en) * | 2021-10-29 | 2022-04-15 | 中国航发西安动力控制科技有限公司 | Method for precisely measuring diameter of large-radius small-arc molded surface by using formula method |
-
2008
- 2008-08-12 CN CN200810073745A patent/CN101650149A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438785A (en) * | 2013-07-16 | 2013-12-11 | 东风朝阳朝柴动力有限公司 | Gauge for radius of semicircular thrust surface of engine body of diesel engine |
| CN103438785B (en) * | 2013-07-16 | 2016-05-04 | 东风朝阳朝柴动力有限公司 | Diesel-engine body semicircle thrust surface radius appliance special for detecting |
| CN104596396A (en) * | 2014-12-30 | 2015-05-06 | 青特集团有限公司 | Device for measuring inside diameter of semi-arc |
| CN107063158A (en) * | 2017-06-01 | 2017-08-18 | 浙江大学 | Elongated bore diameter and cylindricity measuring method based on dual sensor error separate |
| CN114353721A (en) * | 2021-10-29 | 2022-04-15 | 中国航发西安动力控制科技有限公司 | Method for precisely measuring diameter of large-radius small-arc molded surface by using formula method |
| CN114353721B (en) * | 2021-10-29 | 2024-05-24 | 中国航发西安动力控制科技有限公司 | Method for precisely measuring diameter of large-radius small-arc molded surface by using formula method |
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Open date: 20100217 |