CN108225155A - Suitable for the measurement tooling and method of large scale radius - Google Patents
Suitable for the measurement tooling and method of large scale radius Download PDFInfo
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- CN108225155A CN108225155A CN201810099305.0A CN201810099305A CN108225155A CN 108225155 A CN108225155 A CN 108225155A CN 201810099305 A CN201810099305 A CN 201810099305A CN 108225155 A CN108225155 A CN 108225155A
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- stabilizer blade
- measuring
- measurement
- guiding trestle
- guide
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
Suitable for the measurement tooling of large scale radius, including measuring appliance, measuring appliance is by being in that inverted T font and bottom both ends have the measurements stabilizer blade of symmetrical spur and formed along measuring stabilizer blade center line and setting and be carved with the vernier scale of measurement scale, stabilizer blade is measured with vernier scale sliding to coordinate, characterized by further comprising guiding trestles, the guiding trestle vertical rack is set in measured surface, and guiding trestle and the contact position of measured surface rectangular distribution in the same plane, stabilizer blade is measured to stretch into guiding trestle, guiding trestle support measures stabilizer blade and measured surface perpendicular contact, and coordinate with measuring stabilizer blade and being oriented to, limit the moving direction for measuring stabilizer blade in measuring surface.The present invention carries out effective position to measuring appliance, and movement of the measuring appliance in measuring surface is oriented to, and improves the accuracy and reliability of measurement.The present invention also provides a kind of measuring methods suitable for large scale radius.
Description
Technical field
The present invention relates to a kind of measurement tooling and method suitable for large scale radius, for the measurement of large scale radius.
Background technology
For product or article with circular appearance feature, its diameter radii value is measured or estimated, in size not
Be it is too big in the case of can use more accurate internal-and external diameter micrometer, vernier caliper, relatively coarse use Steel Ruler, very
To being the measurers such as tape measure, ribbon tape.However, when the diameter radii size of product or article very big even super large（It is such as big
In 2 meters or even bigger）It is either limited by measurer range or measurer size is too very much not easy to operation, at this moment to be measured size
It is just very difficult even.It, can be with for example, the measurement for conventional part internal-and external diameter, seam allowance, is usually no more than 1 meter
Use common internal-and external diameter micrometer, vernier caliper.And for power in the size of the other wind-driven generator of MW class, diameter surpasses
5 meters of even biggers are crossed, measurement is just very difficult, only using the tape measure of super large range or rope around a circle, then measures conversion
Obtain diameter radii value.In certain extreme cases, it has no idea to measure at all, estimation can only be estimated, deviation therein will
It is very big.
101846486 A of CN, disclose a kind of large circular arc radius measuring instrument and measuring method, including main scale, the main scale
Head is main scale gauge head, and shape is spherical shape；The vernier scale that shape is T shapes is cased on the main scale, the vernier scale includes water
Flat section and vertical section, vertical section are located on the perpendicular bisector of horizontal segment, and vertical section is sleeved on outside main scale, and can be slided relative to main scale
It is dynamic；Measurement foot is vertically installed with relative to horizontal segment at the both ends of vernier scale horizontal segment, the end for measuring foot is vernier scale
Gauge head, shape are spherical shape.By being slidably matched for main scale and vernier scale, enable the spheric probe of main scale and vernier scale well
Measured circular arc is contacted, easily measures the action of measured circular arc, so as to calculate arc radius according to formula；Apparatus structure letter
Single, easy production and making, measuring method are simple and efficient.
CN 101451805 is related to a kind of high precision orthodrome radius measuring apparatus, also relates to it and measures application method,
Belong to detection instrument technical field.The measuring instrument include arched frame, the vertical dial gauge for assigning into arched frame length direction center,
It is placed in the spirit bubble of arched frame near middle, the both ends of arched frame are respectively by fastener equipped with measurement head, under measurement head
Hold into the horizontal knife shape vertical with arched frame length direction, be lined between the end face of arched frame and measurement head two panels can respectively on
The wedge-shaped fine adjustment block of lower displacement, the angle of wedge direction of two fine adjustment blocks are identical or opposite.
The existing patent document of two above is the survey tool and method of large radius, by measuring in orthodrome one section
The action of circular arc, and pass through calculation formula and obtain the radius value of orthodrome, this method is simple and reliable, but shortcoming is to measure
When, if only obtaining the radius value of orthodrome by one-shot measurement, the precision and reliability measured be not high, if by repeatedly measuring
Uniform value is taken, then it is difficult to ensure that measuring instrument is vertical with tested surface when measuring, and at 2 points for being contacted with tested surface of measuring instrument
In on same circular arc line, the reliability and accuracy rate of measurement need to be improved.
Invention content
Measurement tooling provided by the invention suitable for large scale radius carries out measuring appliance effective position, and to measuring
Movement of the device in measuring surface is oriented to, and improves the accuracy and reliability of measurement.It is suitable for the present invention also provides one kind big
The measuring method of size radius.
The technical solution adopted by the present invention is in order to achieve the above objectives：
Suitable for the measurement tooling of large scale radius, including measuring appliance, measuring appliance by be in inverted T font and bottom both ends have it is symmetrical
The measurement stabilizer blade of spur and the vernier scale composition for setting along stabilizer blade center line is measured and being carved with measurement scale, measure stabilizer blade and vernier scale
Sliding cooperation, it is characterised in that further include guiding trestle, the guiding trestle vertical rack is set in measured surface, and is oriented to branch
Frame and the rectangular distribution in the same plane of the contact position of measured surface measure stabilizer blade and stretch into guiding trestle, guiding trestle
Support measures stabilizer blade and measured surface perpendicular contact, and coordinates with measuring stabilizer blade and being oriented to, and limits and measures stabilizer blade in measuring surface
Moving direction.
Preferably, guide through hole is provided on the guiding trestle, stabilizer blade is measured and is stretched into guiding trestle from guide through hole,
With measured surface perpendicular contact, guide through hole limits the moving direction for measuring stabilizer blade in measuring surface with measuring stabilizer blade cooperation.
Preferably, the length of the guide through hole is more than the spacing for measuring stabilizer blade bottom spur.
Preferably, the both sides of the guiding trestle width direction are provided with is pierced by through-hole for what measurement foot portion stretched out.
Preferably, the measurement stabilizer blade is engaged with guide through hole madial wall for face.
Preferably, the guiding trestle is made of front guide and the back guide with being aligned and drawing close before and after front guide, preceding
Guide plate and back guide are even in doorframe shape, and are fixedly connected in corner, and the corner of front guide has the protrusion protruded backward,
The corner of back guide connect fixation with protrusion, and guide through hole is formed between front guide and back guide and is pierced by through-hole.
Preferably, the front guide and back guide are that line contacts with measured surface.
Preferably, the measuring appliance and guiding trestle are stainless steel, and the upper end for measuring stabilizer blade is fixed with and swims
The accuracy rule of scale cooperation, be carved on the accuracy rule with the matched measurement scale of vernier scale, with will swim on vernier scale
Scale is engaging in the lock-screw measured on stabilizer blade.
For the measuring method of large scale radius, carried out using the above-described measurement tooling suitable for large scale radius
It measures, measuring process is as follows：
A:Guiding trestle vertical rack is set in measured surface；
B:Measuring appliance is stretched into guiding trestle, the spur of measuring appliance bottom with measuring surface perpendicular contact；
C：It moves down vernier scale to contact with measured surface, record vernier scale extends downwardly the distance δ for measuring stabilizer blade；
D:According to the value of δ, the spacing b of spur at stabilizer blade bottom both ends and height c is measured, calculates the radius of measured surface.
Preferably, the step C is specially：Measuring appliance is moved horizontally on guiding trestle, after measuring each movement,
Vernier scale is contacted with measured surface, measure vernier scale extend downwardly measure stabilizer blade distance H1, H2, Hn, calculate
Go out H1, H2, the average value of Hn is to get to the value of δ.
The beneficial effects of the invention are as follows：
1st, guiding trestle vertical rack is set in measured surface in the present invention, is measured stabilizer blade and is stretched into guiding trestle, by being oriented to branch
The support of frame makes measurement stabilizer blade and measured surface perpendicular contact, carries out effective position to measuring appliance, measuring appliance inclines when preventing from measuring
Tiltedly, the reliability of measurement is improved.
2nd, guiding trestle is vertical with measured surface, and with rectangular point in the same plane of the contact position of measured surface
Cloth makes guiding trestle be distributed along the cross-sectional direction of measured surface, and guiding trestle support measures that stabilizer blade is vertical with measured surface connects
It touches so that measure the both ends spur of stabilizer blade bottom, can effectively avoid measuring with the arc contact on the same cross section of measured surface
Stabilizer blade and the contact point of measured surface improve the accuracy of measurement not on same circular arc.
3rd, guiding trestle coordinates with measuring stabilizer blade and being oriented to, and limits the moving direction for measuring stabilizer blade in measuring surface, i.e., to surveying
Movement of the measuring device in measuring surface is oriented to, and avoids measuring run-off the straight and offset in stabilizer blade moving process, ensures to measure branch
Foot is vertical with measured surface always, and is moved always along same circular arc line, improves the reliability and accuracy of measurement.
4th, by measuring movement of the stabilizer blade on guiding trestle, multiple measured values can be obtained, i.e., during one-shot measurement
The accuracy of measurement can be examined, the precision of measurement by way of calculating average value, can also be improved.
Description of the drawings
Fig. 1 is the measuring principle schematic diagram of measuring appliance in specific embodiment.
Fig. 2 is the dimension constraint relation schematic diagram for measuring stabilizer blade.
Fig. 3 is the front section view that tool stops the measurement tooling for being suitable for large scale radius in embodiment.
Fig. 4 is the side sectional view for the measurement tooling for being suitable for large scale radius in specific embodiment.
Fig. 5 is the vertical view of guiding trestle.
Fig. 6 is the change in location schematic diagram that measuring appliance moves in measured surface.
Specific embodiment
1 to 6 pair of the embodiment of the present invention elaborates below in conjunction with the accompanying drawings.
Suitable for the measurement tooling of large scale radius, including measuring appliance 1, measuring appliance 1 is by being in inverted T font and bottom both ends tool
It forms, measures by the measurement stabilizer blade 11 of symmetrical spur and along measuring the setting of 11 center line of stabilizer blade and being carved with the vernier scale 12 of measurement scale
Stabilizer blade 11 coordinates with the sliding of vernier scale 12, it is characterised in that further includes guiding trestle 2,2 vertical rack of guiding trestle is set on
In measured surface, and guiding trestle 2 and the contact position rectangular distribution in the same plane of measured surface, it measures stabilizer blade 11 and stretches
Enter in guiding trestle 2, the support of guiding trestle 2 measures stabilizer blade 11 and measured surface perpendicular contact, and matches with measuring the guiding of stabilizer blade 11
It closes, limits the moving direction for measuring stabilizer blade 11 in measuring surface.
The measuring principle of measuring appliance 1 is in embodiment：The spacing b of the spur at 11 bottom both ends of setting measurement stabilizer blade is
400mm, height c are 200mm, then in Fig. 2。
As shown in Figure 1, interception one section of circular arc, and by a length of side be a equilateral right angled triangle close to circular arc, wherein R
For arc radius, δ is the shortest distance of the right angled triangle right angle to circular arc, and θ is radius and the angle of on line, then can be obtained
It arrives：
Wherein
Simplification obtains
It follows that when the right angle length of side a of equilateral right angled triangle is fixed valueWhen, required obtained radius value R is the functional relation about reading value δ, has and reflects one by one
The uniqueness penetrated, and numerical value can be calculated using above-mentioned formula.For example, when measurement object is straight line, i.e., R values are nothing
When limiting big, then the δ values measured should be 200, therefore have：As x=0, f（x）=0/2+2000/0, i.e. R are infinity.
As shown in Fig. 2, measurement stabilizer blade is set as the restriction relation in strict conformity with equilateral right angled triangle, work as valueDuring mm, then the spacing b for measuring the spur at 11 bottom both ends of stabilizer blade is 400mm, and height c is 200mm.Therefore root
According toFormula, as long as measuring the value of δ in Fig. 1, you can calculate the radius of measured surface, δ
Value i.e. contacted with vernier scale 12 the above-mentioned measurement tooling suitable for large scale radius with measured surface, vernier scale 12 downwards
Stretch out the distance for measuring stabilizer blade 11.
As shown in figure 3,2 vertical rack of guiding trestle is set on measured surface A, measures stabilizer blade 11 and stretch into guiding trestle 2, lead to
The support of guiding trestle 2 is crossed, makes measurement stabilizer blade 11 and measured surface A perpendicular contacts, effective position is carried out to measuring appliance 1, is prevented
Measuring appliance tilts during measurement；Furthermore guiding trestle 2 is vertical with measured surface A, and is put down with the contact position of measured surface A same
Rectangular distribution on face makes guiding trestle 2 be distributed along the cross-sectional direction of measured surface A, and the support of guiding trestle 2 measures stabilizer blade 11
With measured surface A perpendicular contacts so that measure the both ends spur of stabilizer blade 11 bottom, can on the same cross sections of measured surface A
Arc contact, the contact point for effectively avoiding measuring stabilizer blade 11 and measured surface A improve the accurate of measurement not on same circular arc
Property.Guiding trestle 2 coordinates with measuring stabilizer blade 11 and being oriented to, and limits the moving direction for measuring stabilizer blade 11 in measuring surface, i.e., to measuring
Movement of the device 1 on measuring surface A is oriented to, and avoids measuring run-off the straight and offset in 11 moving process of stabilizer blade, ensures to measure
Stabilizer blade is vertical with measured surface always, and is moved always along same circular arc line, improves the reliability and accuracy of measurement.Pass through survey
Movement of the stabilizer blade 11 on guiding trestle 2 is measured, multiple measured values can be obtained, you can examine measurement during one-shot measurement
Accuracy by way of calculating average value, can also improve the precision of measurement.
Wherein, guide through hole 21 is provided on the guiding trestle 2, stabilizer blade 11 is measured and stretches into guiding branch from guide through hole 21
In frame 2, with measured surface perpendicular contact, guide through hole 21 coordinates with measuring stabilizer blade 11, limits and measures stabilizer blade 11 in measuring surface
Moving direction.The length of the guide through hole 21 is more than the spacing for measuring 11 bottom spur of stabilizer blade.As shown in figure 5, it is oriented to
Through-hole 21 is opened up along the width direction of guiding trestle 2, i.e. width direction of the length direction of guide through hole 21 with measuring stabilizer blade 11
Parallel, the movement for measuring stabilizer blade 11 carries out under the guiding of guide through hole 21, is more than survey by the Design of length of guide through hole 21
The spacing of 11 bottom spur of stabilizer blade is measured, is in order to increase the arc angle for measuring stabilizer blade 11 and being moved on guiding trestle, with increase
The arc angle that stabilizer blade 11 moves in measured surface is measured, increase measures the moving range of stabilizer blade 11, extends and measure value
Range, to improve the accuracy and reliability for measuring value.
Wherein, the both sides of 2 width direction of guiding trestle are provided with is pierced by through-hole for what 11 part of measurement stabilizer blade was stretched out
22.As shown in fig. 6, measuring stabilizer blade 11 can stretch out from the both sides of guiding trestle 2, the moving range of stabilizer blade 11 is measured with increase, into
One step extends the range for measuring value, to improve the accuracy and reliability for measuring value.
Wherein, the measurement stabilizer blade 11 is engaged with 21 madial wall of guide through hole for face.As shown in figure 4, measure branch
Foot 11 is that face drawing is touched with guiding trestle 2, that is, measures stabilizer blade 11 and coordinate with guide through hole 21 for small―gap suture, measurement stabilizer blade 11 is just
It is sandwiched between the two side of guide through hole 21, the cooperation contacted by face with face, it is ensured that measure stabilizer blade 11 in moving process
In it is vertical with measured surface A holdings always, prevent measure stabilizer blade 11 tilted relative to leading truck 2.
Specifically, the guiding trestle 2 is by front guide 23 and the back guide 24 with being aligned and drawing close before and after front guide 23
Composition, front guide 23 and back guide 24 are even in doorframe shape, and are fixedly connected in corner, the corner of front guide 23 have to
The protrusion 23.1 protruded afterwards, the corner of back guide 23 connect fixation with protrusion 23.1, the shape between front guide 23 and back guide 24
Into guide through hole 21 and it is pierced by through-hole 22.Front guide 23 and back guide 24 can be bolted, with front guide 23 and back guide
The form composition guiding trestle 2 of 24 splits connection, can simplify the forming process of guiding trestle 2, and be conducive in 23 He of front guide
Guide through hole 21 is quickly formed between back guide 24 and is pierced by through-hole 22.
Wherein, the front guide 23 and back guide 24 are that line contacts with measured surface.From figure 3, it can be seen that guiding trestle
The position that bottom is contacted with measured surface A is wedge angle, i.e., the corner edge warp that front guide 23 and back guide 24 are contacted with measured surface A
Chamfered is crossed, front guide 23 and back guide 24 is made with measured surface A to be that line contacts, is placed on measured surface A and is oriented to branch
Frame 2 is contacted by the line of bottom, can quickly determine the position of guiding trestle 2, make front guide 23 and back guide 24 and measured surface
A is contacted with measured surface, and guiding trestle 2 and four contact positions of measured surface A can be avoided to be not on same plane, led
Guiding trestle 2 is caused to shake, improves the positional stability of guiding trestle 2.
Wherein, the measuring appliance 1 and guiding trestle 2 are stainless steel, reduce measuring appliance 1 in guiding trestle 2
Mobile frictional force, the upper end for measuring stabilizer blade 11 are fixed with the accuracy rule 11.1 coordinated with vernier scale 12, the accuracy rule
Be carved on 11.1 with 12 matched measurement scale of vernier scale, carry on vernier scale 12 vernier scale 12 being engaging in and measure stabilizer blade 11
On lock-screw 12.1, be equivalent to common vernier caliper, with the cooperation of accuracy rule 11.1 and vernier to the greatest extent 12, make the essence of measurement
Degree reaches 0.02mm.
The present invention also protects a kind of measuring method for large scale radius, is suitable for large scale half using above-described
The measurement tooling of diameter measures, and measuring process is as follows：
A:2 vertical rack of guiding trestle is set in measured surface；
B:Measuring appliance 1 is stretched into guiding trestle 2, the spur of 1 bottom of measuring appliance with measuring surface perpendicular contact；
C：It moves down vernier scale 12 to contact with measured surface, record vernier scale 12 extends downwardly the distance δ for measuring stabilizer blade 11；
D:According to the value of δ, the spacing b of spur and height c at 11 bottom both ends of measurement stabilizer blade, the radius of measured surface is calculated.
Above-described measuring method carries out effective position and mobile guide by guiding trestle 2 to measuring appliance, measurement
Reliability and accuracy higher.Wherein, the step C is specially：Measuring appliance 1 is moved horizontally on guiding trestle 2, is measured
After mobile every time, vernier scale 12 is contacted with measured surface, measure vernier scale 12 extend downwardly measurement stabilizer blade 11 distance H1,
H2, Hn, calculate H1, H2, the average value of Hn is to get to the value of δ.Existed by measuring stabilizer blade
Movement on guiding trestle during one-shot measurement, obtains multiple measured values, you can the accuracy of measurement is examined, it can also
By way of calculating average value, the precision of measurement is improved.
The technical solution of the embodiment of the present invention is completely described above in association with attached drawing, it should be noted that described
Embodiment be only the present invention part of the embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art exist
All other embodiments obtained under the premise of creative work are not made, shall fall within the protection scope of the present invention.
Claims (10)
1. suitable for the measurement tooling of large scale radius, including measuring appliance（1）, measuring appliance（1）By being in inverted T font and bottom both ends
Measurement stabilizer blade with symmetrical spur（11）Stabilizer blade is measured with edge（11）Center line sets and is carved with the vernier scale of measurement scale（12）
Composition measures stabilizer blade（11）With vernier scale（12）Sliding cooperation, it is characterised in that further include guiding trestle（2）, the guiding
Stent（2）Vertical rack is set in measured surface, and guiding trestle（2）Contact position with measured surface is in square in the same plane
Shape is distributed, and measures stabilizer blade（11）Stretch into guiding trestle（2）In, guiding trestle（2）Support measures stabilizer blade（11）It hangs down with measured surface
It directly touches, and with measuring stabilizer blade（11）Cooperation is oriented to, limits and measures stabilizer blade（11）Moving direction in measuring surface.
2. the measurement tooling according to claim 1 suitable for large scale radius, it is characterised in that the guiding trestle
（2）On be provided with guide through hole（21）, measure stabilizer blade（11）From guide through hole（21）Stretch into guiding trestle（2）In, with measured surface
Perpendicular contact, guide through hole（21）With measuring stabilizer blade（11）Cooperation limits and measures stabilizer blade（11）Moving direction in measuring surface.
3. the measurement tooling according to claim 2 suitable for large scale radius, it is characterised in that the guiding is led to
Hole（21）Length be more than measure stabilizer blade（11）The spacing of bottom spur.
4. the measurement tooling according to claim 2 suitable for large scale radius, it is characterised in that the guiding trestle
（2）The both sides of width direction are provided with for measuring stabilizer blade（11）What part was stretched out is pierced by through-hole（22）.
5. the measurement tooling according to claim 2 for being applicable in large scale radius, it is characterised in that the measurement stabilizer blade
（11）With guide through hole（21）Madial wall is engaged for face.
6. the measurement tooling according to claim 4 for being applicable in large scale radius, it is characterised in that the guiding trestle（2）
By front guide（23）With with front guide（23）Front and rear alignment and the back guide drawn close（24）Composition, front guide（23）And back guide
（24）Even is in doorframe shape, and be fixedly connected in corner, front guide（23）Corner there is the protrusion protruded backward
（23.1）, back guide（23）Corner with protrusion（23.1）Connection is fixed, in front guide（23）And back guide（24）Between formed
Guide through hole（21）Be pierced by through-hole（22）.
7. the measurement tooling according to claim 6 suitable for large scale radius, it is characterised in that the front guide
（23）And back guide（24）It is that line contacts with measured surface.
8. the measurement tooling according to claim 1 suitable for large scale radius, it is characterised in that the measuring appliance（1）
And guiding trestle（2）It is stainless steel, measures stabilizer blade（11）Upper end be fixed with and vernier scale（12）The accuracy rule of cooperation
（11.1）, the accuracy rule（11.1）On be carved with and vernier scale（12）Matched measurement scale, vernier scale（12）On carry
By vernier scale（12）It is engaging in measurement stabilizer blade（11）On lock-screw（12.1）.
9. for the measuring method of large scale radius, big ruler is suitable for using claim 1 to claim 8 any one of them
The measurement tooling of very little radius measures, and measuring process is as follows：
A:By guiding trestle（2）Vertical rack is set in measured surface；
B:By measuring appliance（1）Stretch into guiding trestle（2）In, measuring appliance（1）The spur of bottom with measuring surface perpendicular contact；
C：Move down vernier scale（12）It is contacted with measured surface, records vernier scale（12）Extend downwardly measurement stabilizer blade（11）Distance δ；
D:According to the value of δ, measure stabilizer blade（11）The spacing b of the spur at bottom both ends and height c calculates the half of measured surface
Diameter.
10. the measuring method of large scale radius according to claim 9, it is characterised in that the step C is specially：
Guiding trestle（2）On move horizontally measuring appliance（1）, after measuring each movement, vernier scale（12）It contacts, measures with measured surface
Vernier scale（12）Extend downwardly measurement stabilizer blade（11）Distance H1, H2, Hn, calculate H1,
H2, the average value of Hn is to get to the value of δ.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810099305.0A CN108225155B (en) | 2018-02-01 | 2018-02-01 | Measuring tool and method suitable for large-size radius |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810099305.0A CN108225155B (en) | 2018-02-01 | 2018-02-01 | Measuring tool and method suitable for large-size radius |
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| CN108225155A true CN108225155A (en) | 2018-06-29 |
| CN108225155B CN108225155B (en) | 2023-07-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595229A (en) * | 2020-07-02 | 2020-08-28 | 青海省药品检验检测院 | Laboratory antibacterial zone area measurement analyzer |
| CN112504048A (en) * | 2020-10-30 | 2021-03-16 | 东方电气集团东方锅炉股份有限公司 | Device and method for measuring height and gradient of radial connecting pipe on regular curved surface |
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| CN112504048A (en) * | 2020-10-30 | 2021-03-16 | 东方电气集团东方锅炉股份有限公司 | Device and method for measuring height and gradient of radial connecting pipe on regular curved surface |
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