CN105136091B - The device and method for measuring circular object - Google Patents
The device and method for measuring circular object Download PDFInfo
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- CN105136091B CN105136091B CN201510237614.6A CN201510237614A CN105136091B CN 105136091 B CN105136091 B CN 105136091B CN 201510237614 A CN201510237614 A CN 201510237614A CN 105136091 B CN105136091 B CN 105136091B
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Abstract
The present invention relates to a kind of device and method for measuring circular object.Device includes：First panel, second panel and the main control module being arranged in first panel, first panel are connect with second panel by axial mechanism；Wherein, the first end of first panel is the first arc-shaped plate, and the second end of second panel is the second arc-shaped plate；The first inscribed circle contact sensor and the first circumcircle contact sensor are provided on first arc-shaped plate, the second inscribed circle contact sensor and the second circumcircle contact sensor are provided on the second arc-shaped plate；Angular transducer is additionally provided on device, formed first angle between the center line of angular transducer detection first panel and the center line of second panel, main control module determine the internal diameter measurement parameter of tested circular object according to the structural parameters of first angle and the first arc-shaped plate, the second arc-shaped plate.Device can be shunk by the present invention, so as to reduce the overall dimensions of device, be easy to use and carried.
Description
Technical field
The present invention relates to field of measuring technique more particularly to a kind of device and method for measuring circular object.
Background technology
Circular object can be found everywhere in actual life, but the measurement of its radius and perimeter is complex.We are in day
The pots and pans that is often used in life, gourd, fruit and vegetable, ornamental flowers, plants and trees and the steel cable for building etc. tasted none
Exceptionally there is circular configuration, circular configuration inevitably needs the object with other shapes to be matched in use
It closes, this kind cooperation needs to consider the identical problem between circular configuration size, and size most basic data of coincideing are circular objects
Radius or perimeter.
Three point contact method of the prior art is to measure the quick method of circular object radius or perimeter, and survey tool can divide
For digital diameter instrument and scale-type radius instrument, connect by the curved surface of three points and tested circular object of survey tool used
It touches, then goes out the radius of corresponding tested circular object by the display on survey tool and graduation indication.Inventor's discovery, existing skill
Or the survey tool in art is only used for the outer diameter for measuring circular object or the internal diameter that can only measure circular object, and
Since survey tool is using fixed large angle form, overall dimensions are big, cause inconvenient to carry.
Invention content
To overcome the problems in correlation technique, the embodiment of the present invention provides a kind of method and dress for measuring circular object
It puts, can both measure the outer diameter of circular object, the internal diameter of circular object can also be measured, pass through movable subtended angle and reduplicative forms
Overall dimensions are reduced, is easy to use and carries.
A kind of device for measuring circular object is provided, including：
The center position of the axial mechanism is arranged on, when the main control module detects the first inscribed circle contact
When sensor and in running order the second inscribed circle contact sensor, the angular transducer detects the first panel
Center line and the second panel center line between formed first angle, main control module is according to the first angle and institute
State the first arc-shaped plate, the structural parameters of the second arc-shaped plate determine the internal diameter measurement parameter of tested circular object；Or
Person,
When the main control module detects the first circumcircle contact sensor and the second circumcircle sensing contact
When device is in running order, the main control module is according to the first angle and the first arc-shaped plate, second circular arc
The structural parameters of shape plate determine the outside diameter measuring parameter of tested circular object.
A kind of method for measuring circular object is provided, the device of the measurement circular object described in Pass through above-mentioned technical proposal comes
It realizes, including：
The first inscribed circle contact sensor and the second inscribed circle sensing contact are detected by the main control module
The working condition of device, the first circumcircle contact sensor and the second circumcircle contact sensor；
When the main control module detects the first inscribed circle contact sensor and the second inscribed circle sensing contact
When device is in running order, the angular transducer detects the center line of the first panel and the center line of the second panel
Between formed first angle, the main control module is according to the first angle and the first arc-shaped plate, second circle
The structural parameters of arc panel determine the internal diameter measurement parameter of tested circular object；
When the main control module detects the first circumcircle contact sensor and the second circumcircle sensing contact
When device is in running order, the main control module is according to the first angle and the first arc-shaped plate, second circular arc
The structural parameters of shape plate determine the outside diameter measuring parameter of tested circular object.
The technical solution that the embodiment of the present invention provides can include the following benefits：The one end of first panel and
The one end of two panels can adjust subtended angle therebetween by axial mechanism connection, by shrinking first panel and the second face
Device is shunk by the subtended angle between plate by first panel in an overlapping manner with second panel, so as to reduce the entirety of device
Size is easy to use and carries；Pass through the first circumcircle contact sensor, the first inscribed circle sensing contact in first panel
The working condition of the second circumcircle contact sensor, the second inscribed circle contact sensor on device, second panel, you can according to
One angle and the first arc-shaped plate, the second arc-shaped plate structural parameters determine the outside diameter measuring parameter of tested circular object,
The automation of the internal diameter measurement parameter and outside diameter measuring parameter to being tested circular object is realized, avoids manually calculating tested circle
The internal diameter measurement parameter of object and outside diameter measuring parameter；Further, since subtended angle between first panel and second panel can 0 °-
It is movable between 180 °, therefore the present invention can carry out various sizes of circular object the measurement of seamless coverage.
It should be understood that above general description and following detailed description are only exemplary and explanatory, not
It can the limitation present invention.
Description of the drawings
Attached drawing herein is incorporated into specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is the structure chart according to the device of the measurement circular object shown in an exemplary embodiment.
Fig. 2 is the structure chart of the first panel in embodiment illustrated in fig. 1.
Fig. 3 is the structure chart of the second panel in embodiment illustrated in fig. 1.
Fig. 4 is the position view of the contact sensor in the embodiment of the present invention.
Fig. 5 is the measuring principle figure of the embodiment of the present invention.
Fig. 6 is measuring principle figure of the embodiment of the present invention when measuring testee outer diameter.
Fig. 7 is measuring principle figure of the embodiment of the present invention when measuring testee internal diameter.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects being described in detail in claims, of the invention.
Fig. 1 is according to the structure chart of the device of the measurement circular object shown in an exemplary embodiment, and Fig. 2 is shown in Fig. 1
The structure chart of first panel in embodiment, Fig. 3 are the structure charts of the second panel in embodiment illustrated in fig. 1, the present embodiment knot
Fig. 2 and Fig. 3 is closed to illustrate.As shown in Figure 1-Figure 3, the device for measuring circular object includes：First panel 11, second
Panel 12 and the main control module 13 being arranged in first panel 11, the one end of first panel 11 and one end of second panel 12
Portion is connected by axial mechanism 14.
In one embodiment, the first end of first panel 11 be the first arc-shaped plate, the second end of second panel 12
For the second arc-shaped plate；The first inscribed circle contact sensor 111 is provided on first arc-shaped plate and the contact of the first circumcircle passes
Sensor 112 is provided with the second inscribed circle contact sensor 121 and the second circumcircle contact sensor 122 on second arc-shaped plate.
In one embodiment, angular transducer 15 is additionally provided on device, is arranged on the center (figure of axial mechanism 14
2 be only a schematical legend) at, for sensing the subtended angle between first panel 11 and second panel 12, that is, the first face
The first angle formed between the center line of plate 11 and the center line of second panel 12.When main control module 13 is detected in first
When 111 and second inscribed circle contact sensor 121 of circle of contact contact sensor is in running order, the detection of angular transducer 15 first
Formed first angle between the center line of panel 11 and the center line of second panel 12, main control module 13 according to first angle and
First arc-shaped plate, the second arc-shaped panel structural parameters determine the internal diameter measurement parameter of tested circular object.
When main control module 13 is detected at the first circumcircle contact sensor 112 and the second circumcircle contact sensor 122
When working condition, main control module 13 is according to the structural parameters of first angle and the first arc-shaped plate, the second arc-shaped plate come really
Surely the outside diameter measuring parameter of tested circular object.
On in one embodiment, when needing to measure the outer diameter for being tested circular object, by by first panel
11 and second panel 12 around 14 or so opening of axial mechanism, touched by the first circumcircle contact sensor 112 of first panel 11
Encounter tested circular object, then rotating second panel 12 makes the second circumcircle contact sensor 122 touch tested circular object,
Main control module 13 can according to determined by angular transducer 15 first angle and the first arc-shaped plate, the second arc-shaped panel
Structural parameters determine the outside diameter measuring of tested circular object ginseng；When needing to measure the internal diameter for being tested circular object,
By first panel 11 and second panel 12 around 14 or so opening of axial mechanism, first contacted with the first inscribed circle of first panel 11
The left side of the tested circular object of the touching of sensor 111, then rotating second panel 12 touches the second inscribed circle contact sensor 121
Touch the right of tested circular object, main control module 13 can according to determined by angular transducer 15 first angle and the first circular arc
Shape plate, the second arc-shaped panel structural parameters determine the internal diameter measurement parameter of tested circular object, it follows that of the invention
Embodiment can both measure the internal diameter of tested circular object, can also measure the outer diameter of tested circular object.
The present embodiment, the one end of first panel 11 and the one end of second panel 12 are connect by axial mechanism 14 can be with
Subtended angle therebetween is adjusted, by shrinking the subtended angle between first panel 11 and second panel 12 by first panel 11 and second
Device is shunk by panel 12 in an overlapping manner, so as to reduce the overall dimensions of device, is easy to use and is carried；Pass through
11 the first circumcircle contact sensor 112 on one panel, the first inscribed circle contact sensor 111, in second panel 12
The working condition of two circumcircle contact sensors 122, the second inscribed circle contact sensor 121, you can according to first angle and
One arc-shaped plate, the second arc-shaped plate structural parameters determine the outside diameter measuring parameter of tested circular object, realize to quilt
The automation of the internal diameter measurement parameter and outside diameter measuring parameter of circular object is surveyed, avoids manually calculating the internal diameter of tested circular object
Measurement parameter and outside diameter measuring parameter；Further, since the subtended angle between first panel 11 and second panel 12 can be between 0 ° -180 °
Activity, therefore the embodiment of the present invention can carry out various sizes of circular object the measurement of seamless coverage.
Fig. 4 is the position view of the contact sensor in the embodiment of the present invention, as shown in figure 4, the first inscribed circle contacts
111 and first circumcircle contact sensor 112 of sensor is distributed in the both sides of the center line 161 of the first arc-shaped plate, in second
121 and second circumcircle contact sensor 122 of circle of contact contact sensor is distributed in the two of the center line 162 of the second arc-shaped plate
Side；In one embodiment, the first inscribed circle contact sensor 111 and the second inscribed circle contact sensor 121 are with first panel 11
Center line 161 and the angular bisector 163 of 162 angle of center line of second panel 12 be symmetric；First circumcircle
112 and second circumcircle contact sensor 122 of contact sensor is in the center line 161 of first panel 11 and second panel 12
The angular bisector 163 of 162 angle of heart line is symmetric.
Fig. 5 is the measuring principle figure of the embodiment of the present invention, as shown in figure 5, the first arc-shaped plate of first panel 11 and
The making of first arc-shaped plate of two panels 12 needs to give two parameters, is the AB shown in high a and width b namely Fig. 5 respectively
And BE.By the two parameters, the radius that can further determine that GCE arcs in the symmetrical type arc panel is
EF arcs and the radius of GH arcs areThe radius of FNH arcs is
It follows that the measurable outer diameter of circular object is determined by parameter a, parameter b.When parameter b is fixed, parameter a increases
When, measurable radius also increases；Conversely, when parameter a is fixed, when parameter b increases, measurable radius reduces instead.Table 1 is
Measurable outer diameter value during different parameters.
The asynchronous measurable outer diameter values (mm) of table 1 parameter a and parameter b
| Parameter a (mm) | Parameter b (mm) | It can measure minimum outer diameter | It can measure maximum outside diameter |
| 100 | 40 | 0 | 269 |
| 200 | 40 | 0 | 1020 |
| 100 | 60 | 0 | 194 |
| 200 | 60 | 0 | 696 |
The measurable internal diameter of circular object is by parameter a, parameter b and the first circumcircle contact point 112 and axial mechanism 13
The straight line of formation and 143 corresponding first angle α of angular bisector and the location point and second of the first inscribed circle contact sensor 111
The half angular dimensions η (specifically as shown in Figure 7) that the corresponding tangent line of location point of inscribed circle contact sensor 121 forms angle is true
It is fixed.In the case of parameter b=40mm, parameter a=200mm, when first angle α is fixed, with the increase of half angular dimensions η,
The measurable radius of device also increases.
When table 2 is parameter a=200mm and b=40mm, first angle α and the asynchronous measurable internal diameters of half angular dimensions η
Value.
2 parameter of table and the asynchronous measurable inner diameter values (mm) of parameter
| α(deg) | η(deg) | It can measure minimum diameter | It can measure maximum inner diameter |
| 15 | 63.69~89 | 248.792 | 5323.223 |
| 30 | 48.69~89 | 248.792 | 7908.328 |
| 60 | 18.69~89 | 248.792 | 13330 |
| 15 | 73.69 | - | 369 |
| 30 | 58.69 | - | 305 |
| 78.69 | 10 | - | 252 |
| 15 | 73.69 | - | 879.6 |
| 30 | 58.69 | - | 418.6 |
| 78.69 | 10 | - | 262.1 |
Fig. 6 is measuring principle figure of the embodiment of the present invention when measuring testee outer diameter, is carried out shown in Fig. 6 combinations Fig. 5
Exemplary illustration, as shown in fig. 6, in the present embodiment, angular transducer includes angle sensor, main control module 13 includes first
Computing unit (does not regard) in figure, for center and the first circle of first angle α, axial mechanism according to determined by angle sensor
The line segment AF that an endpoint on arc panel is formed determines the radius of tested circular object.
Preferably, the first computing unit determines tested circular object by first function relationship FK=AF*tan (α)
Radius, wherein, FK is the radius of tested circular object, and AF is the center of axial mechanism 14 and the first end point of the first arc-shaped plate
The line segment formed, α are angle determined by angle sensor.
Fig. 7 is measuring principle figure of the embodiment of the present invention when measuring testee internal diameter, is carried out shown in Fig. 7 combinations Fig. 5
Exemplary illustration, as shown in fig. 7, angular transducer includes angle sensor and angle sensor, main control module 13 includes second
Computing unit (does not regard) in figure, for angle, angle, second determined by angle sensor according to determined by angle sensor
Line segment between the center of the radius of arc-shaped plate, the center of axial mechanism 14 and the second arc-shaped plate determines tested circular object
Radius.
Preferably, the second computing unit determines quilt by second function relationship OJ=CJ+AC*sin (alpha+beta)/cos (η)
The radius of circular object is surveyed, wherein, OJ is the radius of tested circular object, and CJ is the radius of the second arc-shaped plate, and AC is coaxial
The line segment that the center endpoint C of the arc-shaped plates of the center A of mechanism and second is formed, α are angle, β determined by angle sensor
For the first position point where the center line of second panel 12 and the center A of axial mechanism 14 and the second inscribed circle contact sensor
The second angle formed between the line segment formed, wherein, 122 place of first position point F and the second circumcircle contact sensor
Location point with respect to second panel 12 center line axisymmetricly, θ is perpendicular to tangent line JK and by the straight line CJ of center of circle C and the
The center line AC angles (θ sizes are determined by the shape of second panel) of two panels, η correspond to inscribed circle for the first arc-shaped plate
Tangent line and the first panel and the second panel symmetrical center line formed by angle, wherein, η=90 °+θ-alpha-beta.This
Field technology personnel it is understood that Fig. 7 only by taking 12 structure on the second face as an example, due to 11 and second face of first panel
Plate 12 is symmetrical structure, therefore foregoing description is still applied to the situation of first panel 11.
The embodiment of the present invention can be seen that by principle tangent between three circles by above-mentioned Fig. 5-Fig. 7, wherein, Fig. 6
For circumscribed schematic diagram, Fig. 7 is inscribe schematic diagram.In figure 6, center of circle K is formed first circle (that is, the present invention is real with radius FK
Apply the tested circular object described in example), center of circle C is formed second circle with radius CF, and center of circle M is formed third with radius MN
Circle, and second circle and third circle are completely the same；In Fig. 7, the center of circle is by ray JC, ray KA and ray NM common intersection point O
(Fig. 7 is only schematically illustrated) determines, is formed first circle with radius OJ, center of circle C is formed second circle, center of circle M with radius CF
Third circle is formed with radius MN, the radius parameter that second round radius participates in third circle is identical.
In the above-described embodiments, display module (not regarded in figure) can also be set in first panel 11, for showing master control
The measurement parameter of circular object is tested determined by module 13, for example, the tested roundel being calculated by above-described embodiment
The radius of body and then the diameter of tested circular object being calculated according to radius, perimeter etc. are tested circular object
Measurement parameter.
The embodiment of the present invention also provides a kind of method for measuring circular object, the measurement roundel of Pass through above-mentioned technical proposal
The device of body realizes, wherein, method may include：
First inscribed circle contact sensor and the second inscribed circle contact sensor, the first circumcircle are detected by main control module
The working condition of contact sensor and the second circumcircle contact sensor；
When main control module detects that the first inscribed circle contact sensor and the second inscribed circle contact sensor are in work shape
During state, formed first angle between the center line of angular transducer detection first panel and the center line of second panel, master control
Module determines the internal diameter of tested circular object according to the structural parameters of first angle and the first arc-shaped plate, the second arc-shaped plate
Measurement parameter；
When main control module detects that the first circumcircle contact sensor and the second circumcircle contact sensor are in work shape
During state, main control module is tested round to determine according to first angle and the first arc-shaped plate, the structural parameters of the second arc-shaped plate
The outside diameter measuring parameter of object.
In one embodiment, main control module is joined according to first angle and the first arc-shaped plate, the structure of the second arc-shaped plate
The step of counting the internal diameter measurement parameter to determine tested circular object, including：
According to where first angle, the center of axial mechanism and inscribed circle contact sensor determined by angle sensor
The line segment that first position point is formed determines the radius of tested circular object；
Main control module determines measured circle according to the structural parameters of first angle and the first arc-shaped plate, the second arc-shaped plate
The step of outside diameter measuring parameter of shape object, including：
According to where first angle, the center of axial mechanism and inscribed circle contact sensor determined by angle sensor
The line segment that first position point is formed determines the radius of tested circular object.
To sum up, the advantageous effect that the embodiment of the present invention is brought can be shown following aspects：
In education sector, can using the present invention as teaching aid, in the relevant parameter for needing measurement circular object (for example,
The radius of circular object), it can be by the way that device measures testee using above-mentioned measurement process, so as to direct
Read the radius or diameter of tested circular object；
In building trade, unit in charge of construction and management department can be quickly move through used in the device of the invention detection respectively
The size of similar round building materials finds underproof building materials, it is ensured that construction quality in time；
In forest department, administrative staff can quickly move through the device of the invention and the diameter of a cross-section of a tree trunk 1.3 meters above the ground of trees is monitored, right
Lumbering size is detected, and has reliable number to refer to when performing National Forest specification；
In public security department, criminal detective can quickly move through the device of the invention to the footprints of all kinds of scenes of a crime and
The calibration that the radius of all kinds of similar round shapes is digitized, convenient for more accurately instructing the investigation work in later stage；
In the industrial production, producers can quickly move through the automatic detection assembly line of the device of the invention design, right
The outer diameter or internal diameter size of all kinds of circular products are detected, and ensure the consistency of product；
In the market behavior, citizen can quickly move through the device of the invention and the round commercial size of transaction is surveyed
Amount examines the price of commodity and the consistency of round commercial size, it is ensured that the normalization of the market behavior.
Those skilled in the art will readily occur to the application's after considering specification and putting into practice the embodiment of the application
Other embodiments.This application is intended to cover any variations, uses, or adaptations of the present invention, these modifications, purposes
Or in the art known normal that adaptive change follows the general principle of the present invention and do not invented including the present invention
Knowledge or conventional techniques.Description and embodiments are considered only as illustratively, and true scope and spirit of the invention are by following
Claim point out.
It should be understood that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by appended claim.
Claims (8)
1. a kind of device for measuring circular object, which is characterized in that described device includes：It first panel, second panel and sets
The main control module in the first panel is put, the first panel is connect with the second panel by axial mechanism；Wherein,
The first end of the first panel is the first arc-shaped plate, and the second end of the second panel is arc-shaped for second
Plate；It is provided with the first inscribed circle contact sensor and the first circumcircle contact sensor on the first arc-shaped plate, described
The second inscribed circle contact sensor and the second circumcircle contact sensor are provided on two arc-shaped plates；
Angular transducer is additionally provided in described device, is arranged on the center position of the axial mechanism, when the master control mould
When block detects the first inscribed circle contact sensor and in running order the second inscribed circle contact sensor, master control
Module is according to the center of the axial mechanism and center line of the line segment that second position point is formed with the first panel and institute
State the angle formed between the angular bisector of the center line angle of second panel, the center of the axial mechanism and described the
The angle that is formed between line segment and the center line of the second panel that two location points are formed, perpendicular to the second panel
Tangent line and the angle by being formed between second arc plate and the second panel center line and first circular arc
Shape plate, the second arc-shaped plate structural parameters determine the internal diameter measurement parameter of tested circular object, and the second
Put a little with the location point where the second circumcircle contact sensor relative to the center line of the second panel into axial symmetry；
When the main control module is detected at the first circumcircle contact sensor and the second circumcircle contact sensor
When working condition, the angular transducer detects first angle, center and the of the first angle for the axial mechanism
Line segment and the center line of first panel that first position point where one circumcircle contact sensor is formed and second panel
Center line forms the angle formed between the angular bisector of angle, and the main control module is according to the first angle and described
First arc-shaped plate, the second arc-shaped plate structural parameters determine the outside diameter measuring parameter of tested circular object；Wherein,
The first inscribed circle contact sensor is with the second inscribed circle contact sensor with the center line of the first panel
With the center line of the second panel formed by the angular bisector of angle be symmetric；
The first circumcircle contact sensor is with the second circumcircle contact sensor with the center line of the first panel
With the center line of the second panel formed by the angular bisector of angle be symmetric.
2. the apparatus according to claim 1, which is characterized in that outside the first inscribed circle contact sensor and described first
Circle of contact contact sensor is distributed in the both sides of the center line of the first panel, the second inscribed circle contact sensor and second
Circumcircle contact sensor is then distributed in the both sides of the center line of the second panel.
3. the apparatus according to claim 1, which is characterized in that the main control module includes the first computing unit, for root
According to first angle described determined by the angular transducer, center and the inscribed circle contact sensor of the axial mechanism
Line segment that the first position point at place is formed determines the radius of the tested circular object.
4. device according to claim 3, which is characterized in that first computing unit passes through first function relationship FK=
AF*tan (α) determines the radius of the tested circular object, wherein, FK is the radius of the tested circular object, and AF is institute
State the first position point institute shape where the center of axial mechanism and the first circumcircle contact sensor of the described first arc-shaped plate
Into line segment, α be the first angle determined by the angular transducer.
5. device according to claim 4, which is characterized in that the main control module includes the second computing unit, and described the
Two computing units pass through second function relationship OJ=CJ+AC*sin (α1+ β)/cos (η), wherein, wherein, OJ is the measured circle
The radius of shape object, CJ are the radius of the described second arc-shaped plate, and AC is the center of the axial mechanism and second circular arc
The line segment that the central point of shape plate is formed, α 1 by the line segment that center and the second position point of the axial mechanism are formed with
The angle formed between the angular bisector of the center line of the first panel and the center line angle of the second panel；
Second angle β is the line segment formed by center and the second position point of the axial mechanism and the center line of second panel
Between the angle that is formed；And second position point institute opposite with the location point where the second circumcircle contact sensor
State the center line of second panel axisymmetricly；η is that the described second arc-shaped plate corresponds to the tangent line of inscribed circle and the first panel
With the symmetrical center line of the second panel formed by angle, wherein, η=90°+θ-α1-β；θ is perpendicular to the second panel
Tangent line and by angle formed by the straight line in the center of circle and the center line of the second panel of the described second arc-shaped plate.
6. according to any devices of claim 1-5, which is characterized in that described device further includes：
Display module is arranged in the first panel, and circular object is tested determined by the main control module for showing
Measurement parameter.
7. a kind of method for measuring circular object, is realized by the device of the measurement circular object described in the claims 1,
It is characterized in that, the method includes：
The first inscribed circle contact sensor and the second inscribed circle contact sensor, institute are detected by the main control module
State the working condition of the first circumcircle contact sensor and the second circumcircle contact sensor；
When the main control module is detected at the first inscribed circle contact sensor and the second inscribed circle contact sensor
When working condition, line segment and described first that the main control module is formed according to the center of axial mechanism with second position point
The center line of panel and the center line of the second panel form the angle formed between the angular bisector of angle, described coaxial
The angle that is formed between line segment and the center line of the second panel that the center of mechanism and second position point are formed,
It is formed between tangent line perpendicular to the second panel and the center line by second arc plate and the second panel
Angle described in the first arc-shaped plate, the second arc-shaped plate structural parameters determine that the internal diameter of tested circular object measures
Parameter, and the second position point second panel opposite with the location point where the second circumcircle contact sensor
Center line is axisymmetricly；
When the main control module is detected at the first circumcircle contact sensor and the second circumcircle contact sensor
When working condition, the angular transducer detects first angle, center and institute of the first angle for the axial mechanism
The line segment and center line and the second face of first panel that first position point where stating the first circumcircle contact sensor is formed
The center line of plate is alleged into the angle formed between the angular bisector of angle, and the main control module is according to the first angle and institute
State the first arc-shaped plate, the structural parameters of the second arc-shaped plate determine the outside diameter measuring parameter of tested circular object；Its
In,
The first inscribed circle contact sensor is with the second inscribed circle contact sensor with the center line of the first panel
With the center line of the second panel formed by the angular bisector of angle be symmetric；
The first circumcircle contact sensor is with the second circumcircle contact sensor with the center line of the first panel
With the center line of the second panel formed by the angular bisector of angle be symmetric.
8. the method according to the description of claim 7 is characterized in that
The main control module is according to the first angle and the first arc-shaped plate, the structural parameters of the second arc-shaped plate
Come the step of determining the outside diameter measuring parameter of tested circular object, including：
The first angle, the center of the axial mechanism and described first are arc-shaped according to determined by the angular transducer
Line segment that first position point where first circumcircle contact sensor of plate is formed determines the tested circular object
Outside diameter measuring parameter；
The main control module determines the step of internal diameter measurement parameter of the tested circular object, including：
According to center line of the line segment that the center of the axial mechanism and second position point are formed with the first panel and institute
State the angle formed between the angular bisector of the center line angle of second panel, the center of the axial mechanism and described the
The angle that is formed between line segment and the center line of the second panel that two location points are formed, perpendicular to the second panel
Tangent line and the angle by being formed between the center line of second arc plate and the second panel and first circle
Arc panel, the second arc-shaped plate structural parameters determine the internal diameter measurement parameter of tested circular object, and described second
The center line of the location point second panel opposite with the location point where the second circumcircle contact sensor is axisymmetricly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510237614.6A CN105136091B (en) | 2015-05-12 | 2015-05-12 | The device and method for measuring circular object |
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| CN201510237614.6A CN105136091B (en) | 2015-05-12 | 2015-05-12 | The device and method for measuring circular object |
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| CN105136091B true CN105136091B (en) | 2018-06-08 |
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| CN201510237614.6A Active CN105136091B (en) | 2015-05-12 | 2015-05-12 | The device and method for measuring circular object |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2539139Y (en) * | 2001-07-11 | 2003-03-05 | 上海工程技术大学 | Electronic measurer for internal diameter and external diameter |
| CN101022917A (en) * | 2004-08-06 | 2007-08-22 | 报国株式会社 | Roundness working method and roundness working device in NC machine tool |
| CN202599299U (en) * | 2012-03-10 | 2012-12-12 | 王慧 | Circular arc radius measuring instrument |
| CN104422419A (en) * | 2013-08-23 | 2015-03-18 | 怀集登云汽配股份有限公司 | Outer diameter V-shaped measurement method and V-shaped gauge of valve retainer outer diameter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01158301A (en) * | 1987-12-16 | 1989-06-21 | Honda Motor Co Ltd | Apparatus and method for measuring gear |
| JP2000097687A (en) * | 1998-09-25 | 2000-04-07 | Tateyama R & D:Kk | External diameter measurement method and device for spherical object |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2539139Y (en) * | 2001-07-11 | 2003-03-05 | 上海工程技术大学 | Electronic measurer for internal diameter and external diameter |
| CN101022917A (en) * | 2004-08-06 | 2007-08-22 | 报国株式会社 | Roundness working method and roundness working device in NC machine tool |
| CN202599299U (en) * | 2012-03-10 | 2012-12-12 | 王慧 | Circular arc radius measuring instrument |
| CN104422419A (en) * | 2013-08-23 | 2015-03-18 | 怀集登云汽配股份有限公司 | Outer diameter V-shaped measurement method and V-shaped gauge of valve retainer outer diameter |
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