CN102012207B - Angle measuring instrument - Google Patents
Angle measuring instrument Download PDFInfo
- Publication number
- CN102012207B CN102012207B CN2010105833901A CN201010583390A CN102012207B CN 102012207 B CN102012207 B CN 102012207B CN 2010105833901 A CN2010105833901 A CN 2010105833901A CN 201010583390 A CN201010583390 A CN 201010583390A CN 102012207 B CN102012207 B CN 102012207B
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- Prior art keywords
- circle
- radius
- cylindrical
- measuring instrument
- slewing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses an angle measuring instrument which comprises an angle measuring circle, a rotation circle, a second measuring circle and an excircle. The peripheries of the rotation circle and the angle measuring circle are tangent mutually, the second measuring circle and the rotation circle are cocentric and rotate synchronously, the excircle and the rotation circle are cocentric, the radius of the excircle is larger than that of the second measuring circle, the radius of the angle measuring circle is 360 times of that of the rotation circle, the circumference of the second measuring circle is divided into 600 parts and has scale values, and the excircle is provided with a vernier caliper. The angle measuring instrument has the advantages of simple structure and lower production cost, and is convenient to use.
Description
Technical field
The present invention relates to a kind of instrument that is used to take measurement of an angle.
Background technology
Common angle measuring instrument is measured accurate inadequately, records data and does not many times reach accuracy requirement.Yet high precision measuring instrument, selling price is higher, and operation steps is complicated when taking measurement of an angle, and is not easy to carry, and makes measurement of angle bring great inconvenience.Therefore design a kind of easy portable and angle measuring instrument that precision is high, one obtains engineering staff's favor surely.
Summary of the invention
The object of the present invention is to provide a kind of angel measuring instrument, this angel measuring instrument is simple in structure, and manufacturing cost is relatively low, and it is comparatively convenient to use.
The present invention to achieve these goals, the technical solution of employing is:
A kind of angel measuring instrument; Degree of comprising is measured circle, slewing circle, second measurement circle, cylindrical; Slewing circle is tangent with the periphery that degree is measured circle, second measures circle concentric and synchronous rotation with slewing circle, and the radius of cylindrical and cylindrical concentric with slewing circle is greater than measuring radius of a circle second; The circumference of second measuring circle is divided into 600 parts and indicate scale value, and cylindrical is provided with vernier caliper.
It is 100 millimeters that above-mentioned degree is measured radius of circle, and the slewing circle radius is 2.78 millimeters, and a second measurement radius of a circle is 95 millimeters, and the radius of cylindrical is 102.78 millimeters.
Beneficial effect of the present invention: the design of this measuring instrument is ingenious, and low preparation cost is easy to carry about with one, be convenient for measuring and precision higher.This instrument is through being converted into measurement of angle the measurement of circular curve; Utilize the conversion that realizes circular arc and angle between circle and the circle; Small angle is converted into circular arc earlier, then circular arc is converted into the rotation of small circle, utilize the great circle of concentric co-axial simultaneously; Realize the amplification of precision, thereby make the exact value that takes measurement of an angle amplify and to be accurate to second.
Description of drawings
Fig. 1 is the structure diagram of angel measuring instrument.
Embodiment
Below in conjunction with Fig. 1 the present invention is elaborated:
A kind of angel measuring instrument, degree of comprising are measured circle 1, slewing circle 2, second measurement circle 3, cylindrical 4.It is 100 millimeters that degree is measured circle 1 radius, and slewing circle 2 radiuses are 2.78 millimeters, and the radius of second measurement circle 3 is 95 millimeters, and the radius of cylindrical 4 is 102.78 millimeters.Slewing circle 2 is tangent with the periphery that degree is measured circle 1; It is concentric and with same angular velocity rotation second to measure circle 3 and slewing circle 2; The radius of the concentric and cylindrical of cylindrical 4 and slewing circle 2 is greater than the radius of measuring circle 3 second, and the circumference of second measuring circle 3 is divided into 600 parts and indicate scale value, and cylindrical 4 is provided with vernier caliper.
Slewing circle 2 rotates a circle, and corresponding is 1 degree at degree measurement circle 1 upper angle just.
During use, degree is measured 0 scale value of circle and aimed at the OA line, read OB line correspondence and measure the number of degrees value on the circle at degree; Measure 0 scale value of circle second and aim at the OA line, the rotation slewing circle, this second of time measurement circle is followed slewing circle and is rotated; When the center of circle of slewing circle is dropped on the OB line, stop operating, read the measurement second circle of OB line indication and go up second numerical value; Vernier caliper on the rotation cylindrical 4 further makes second numerical value more accurate.Can reach first decimal place of second from the angle numerical value that records.
Certainly, above-mentioned explanation is not to be limitation of the present invention, and the present invention also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that the technician in present technique field is made in essential scope of the present invention also should belong to protection scope of the present invention.
Claims (1)
1. angel measuring instrument; It is characterized in that: said angel measuring instrument degree of comprising is measured circle, slewing circle, second measurement circle, cylindrical; Slewing circle is tangent with the periphery that degree is measured circle, second measures circle concentric and synchronous rotation with slewing circle, and the radius of cylindrical and cylindrical concentric with slewing circle is greater than measuring radius of a circle second; The circumference of second measuring circle is divided into 600 parts and indicate scale value, and cylindrical is provided with vernier caliper; It is 100 millimeters that said degree is measured radius of circle, and the slewing circle radius is 2.78 millimeters, and a second measurement radius of a circle is 95 millimeters, and the radius of cylindrical is 102.78 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105833901A CN102012207B (en) | 2010-12-13 | 2010-12-13 | Angle measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105833901A CN102012207B (en) | 2010-12-13 | 2010-12-13 | Angle measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102012207A CN102012207A (en) | 2011-04-13 |
| CN102012207B true CN102012207B (en) | 2012-05-09 |
Family
ID=43842462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105833901A Expired - Fee Related CN102012207B (en) | 2010-12-13 | 2010-12-13 | Angle measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102012207B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2264364A (en) * | 1992-02-20 | 1993-08-25 | Yin Hong Wong | Protractor |
| CN2194822Y (en) * | 1994-03-05 | 1995-04-19 | 刘俊宇 | Vernier protractor ruler |
| CN2293793Y (en) * | 1997-01-11 | 1998-10-07 | 成谢锋 | Vernier protractor |
| CN2677872Y (en) * | 2004-01-15 | 2005-02-09 | 张代清 | Desk-type mechanical angle measuring instrument |
-
2010
- 2010-12-13 CN CN2010105833901A patent/CN102012207B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2264364A (en) * | 1992-02-20 | 1993-08-25 | Yin Hong Wong | Protractor |
| CN2194822Y (en) * | 1994-03-05 | 1995-04-19 | 刘俊宇 | Vernier protractor ruler |
| CN2293793Y (en) * | 1997-01-11 | 1998-10-07 | 成谢锋 | Vernier protractor |
| CN2677872Y (en) * | 2004-01-15 | 2005-02-09 | 张代清 | Desk-type mechanical angle measuring instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102012207A (en) | 2011-04-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20121213 |