CN106705918A - Precise measurement instrument and method for internal and external diameters of large-diameter seal ring - Google Patents
Precise measurement instrument and method for internal and external diameters of large-diameter seal ring Download PDFInfo
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- CN106705918A CN106705918A CN201710179300.4A CN201710179300A CN106705918A CN 106705918 A CN106705918 A CN 106705918A CN 201710179300 A CN201710179300 A CN 201710179300A CN 106705918 A CN106705918 A CN 106705918A
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- sealing ring
- external diameter
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- displacement sensor
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- 238000005259 measurement Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims description 66
- 230000004304 visual acuity Effects 0.000 claims description 3
- 238000013480 data collection Methods 0.000 abstract 2
- 238000012545 processing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
- G01B21/14—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters internal 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
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a precise measurement instrument and method for the internal and external diameters of a large-diameter seal ring. The instrument comprises a measurement platform, a lifting arm, a swinging arm, a magnetostrictive sensor, laser displacement sensors, and a data collection device. One end of the lifting arm is disposed on a support, and the other end of the support is movably connected with one end of the swinging arm. The lifting arm can rise and fall, and the swinging arm can rotatingly swing. The magnetostrictive sensor comprises a magnetostrictive vernier measuring rod. The magnetostrictive vernier measuring rod is disposed on the swinging arm, and is provided with two verniers, wherein the upper part of each vernier is provided with a magnetic ring, and the lower end of each vernier is provided with one laser displacement sensor. The laser displacement sensors and the magnetostrictive sensor are respectively connected with the data collection device. According to the invention, the instrument is high in measurement precision, is high in measurement efficiency, is low in cost, is convenient for measurement, and can solve an eccentricity problem caused by manual placement. The instrument is suitable for the precise measurement of the internal and external diameters of other circular parts.
Description
Technical field
The invention belongs to Technology of Precision Measurement field, it is related to a kind of major diameter sealing ring internal-and external diameter precision measuring instrument and measurement
Method.
Background technology
The accurate measurement of the internal-and external diameter of seal, is long-standing technical barrier.Traditional slide measure is to belong to connect
Touch is measured, and because sealing member material elasticity is larger, certainty of measurement can be only sustained in millimetre range.It is less than for diameter
The middle-size and small-size seal of 300mm, using the image analysis technologies such as photography measurement internal-and external diameter, can reach degree of precision.And for
Big-and-middle-sized seal with diameter greater than 300mm, typically can only measure external diameter using π chis, using large-scale vernier caliper measurement internal diameter,
" indeterminacy " problem of contact type measurement is not only existed, also there is a problem of wasting time and energy.Three-coordinates measuring machine can be used for right
Big-and-middle-sized seal with diameter greater than 300mm carries out the accurate measurement of internal-and external diameter, but, three-coordinates measuring machine is except expensive
Outward, also have that sampled point is more, data processing time is long, the low problem of efficiency.
In sum, in the prior art for the essence of major diameter sealing ring (the big-and-middle-sized seal with diameter greater than 300mm)
Close measurement, lacks appropriate measuring instrument:Traditional π chi certainties of measurement are low, and three-coordinates measuring machine is expensive, measurement efficiency
It is low.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of certainty of measurement is high, measurement efficiency is high, cost
Low major diameter sealing ring internal-and external diameter precision measuring instrument and measuring method.
Technical scheme is as follows:
A kind of major diameter sealing ring internal-and external diameter precision measuring instrument, it includes that measuring table, lifting arm, swing arm, mangneto are stretched
Contracting sensor, laser displacement sensor and data acquisition device;Lifting arm one end is rack-mount, the other end of lifting arm with
One end of swing arm is flexibly connected;Lifting arm can oscilaltion, the rotatable swing of swing arm;Magneto strictive sensor includes a magnetic
Cause flexible vernier measuring staff;Magnetostriction vernier measuring staff is installed on a swing arm;Two verniers are cased with magnetostriction vernier measuring staff,
Each vernier top is provided with a magnet ring (ball float);Each vernier lower end is provided with a laser displacement sensor;Two laser positions
Displacement sensor respectively has a gauge head, inner laser displacement sensor gauge head can measure the gauge head to internal diameter of the seal ring justify away from
From outer laser displacement sensor gauge head can measure the distance that the gauge head is justified to sealing ring external diameter;Laser displacement sensor, magnetic
Telescoping sensor is caused to be connected with data acquisition device.
Further, cylinder is vertically installed at lifting arm lower section, and lifting arm can be promoted by cylinder and lifted.
Further, the other end of lifting arm is flexibly connected with one end of swing arm by rotary shaft, swing arm with rotation
Axle is fixedly connected, and rotary shaft is connected with motor;Swing arm can be driven by motor and be rotated.
Further, measuring table is circular, and the center of circle of measuring table is located at rotary shaft axle center (fulcrum of swing arm)
Underface, i.e. the center of circle of measuring table and rotary shaft axle center (fulcrum of swing arm) is on same vertical curve.
Further, lifting arm and swing arm are all levels;Magnetostriction vernier measuring staff is built with magnetostriction line;Electricity
Sub- storehouse is located at one end of magnetostriction vernier measuring staff.
Further, data acquisition device is connected with electric-control system.
Further, measuring table is arranged on rack, and PC is provided with rack, and rack is provided with what is be connected with PC
Display screen;Data acquisition device is connected with the electric-control system of PC, and electric-control system will measure the data for obtaining and be calculated, processed
Measurement result is shown on a display screen afterwards.
Using above-mentioned major diameter sealing ring internal-and external diameter precision measuring instrument, the method for major diameter sealing ring internal-and external diameter is measured such as
Under:Measured workpiece (major diameter sealing ring) is placed on circular measuring table, as makes measured workpiece same with measuring table as possible
The heart;Mobile laser displacement sensor gauge head, makes measured workpiece sealing ring be generally in two laser displacement sensor gauge heads manually
The lower section in centre position, makes the horizontal range between laser displacement sensor gauge head and sealing ring in 20-40mm;Start measurement to press
Button, lift cylinder drives lifting arm to move down, and swing arm driven by stepper motors drives laser displacement sensor gauge head along sealing
Circle rotates a circle, that is, complete the collection of measurement data;Measurement result will be included in screen after Correlation method for data processing by electric-control system
On curtain.
Measuring principle:Swing arm drives laser displacement sensor and magneto strictive sensor rotation to turn around, two laser positions
The gauge head of displacement sensor can respectively measure gauge head to internal diameter of the seal ring circle and the distance of external diameter circle, two of magneto strictive sensor
Magnet ring accurate can measure two radiuses of the measuring route circle of laser displacement sensor gauge head;The data for obtaining will be measured by public affairs
Formula is calculated, that is, obtain the internal-and external diameter data of major diameter sealing ring.
Electric-control system will measure the data for obtaining and be calculated by equation below, that is, obtain the internal diameter data of sealing ring:
RIt is interior=(maxIt is interior+minIt is interior)/2+r
In above formula, RIt is interiorFor the radius that the internal diameter of sealing ring is justified;maxIt is interiorAnd minIt is interiorInner laser displacement sensing is represented respectively
The rotation of device gauge head is turned around, ultimate range and minimum range that the gauge head to internal diameter of the seal ring is justified;R is inner laser displacement sensing
The rotation of device gauge head is turned around, the radius of the measuring route circle of the gauge head.
Electric-control system will measure the data for obtaining and be calculated by equation below, that is, obtain the external diameter data of sealing ring:
ROutward=R- (maxOutward+minOutward)/2
In above formula, ROutwardFor the radius that the external diameter of sealing ring is justified;R is that outer laser displacement sensor gauge head rotation is turned around,
The radius of the measuring route circle of the gauge head;maxOutwardAnd minOutwardRepresent that outer laser displacement sensor gauge head rotation is turned around respectively,
Ultimate range and minimum range that the gauge head is justified to sealing ring external diameter.
Measuring instrument of the invention is a kind of the non-of the advanced sensors elements such as use displacement transducer and contactless gauge head
Contact automatic Precision Measurement instrument.The measurement range of the measuring instrument is set to 150mm to 1200mm, i.e., the minimum of measurable sealing ring
Internal diameter is not less than 150mm, and maximum outside diameter is no more than 1200mm.The certainty of measurement 0.01mm of the measuring instrument, i.e., by standard steel
After annulus verification, duplicate measurements precision is not more than 0.01mm.The resolving power of the measuring instrument is according to measurement and displacement transducer precision
Can reach less than 8 μm.
Beneficial effects of the present invention:
Major diameter sealing ring internal-and external diameter precision measuring instrument of the invention and measuring method, by laser displacement sensor and mangneto
Telescoping sensor is combined together, simple structure, designs ingenious, and swing arm drives laser displacement sensor and magnetostriction sensing
Device rotation is turned around, two gauge heads of laser displacement sensor can measure respectively gauge head to internal diameter of the seal ring circle and external diameter justify away from
From two magnet rings of magneto strictive sensor accurate can measure two the half of the measuring route circle of laser displacement sensor gauge head
Footpath, thus solves the problems, such as caused by artificial placement measured workpiece causes bias well, so, only need to be by simple public
Formula is calculated, you can is obtained the internal-and external diameter data of major diameter sealing ring, measurement is become simple and convenient and quick, improves survey
Amount efficiency.
Major diameter sealing ring internal-and external diameter precision measuring instrument of the invention and measuring method, have the following advantages that:
1) certainty of measurement is high, and severe certainty of measurement can reach 0.01mm.
2) measure convenient, be adapted to because manually placing the eccentricity issues for causing.
3) three-coordinates measuring machine is contrasted, measurement cost is low and measurement efficiency is higher.
4) it is applicable to the internal-and external diameter accurate measurement of other ring shape parts.
Brief description of the drawings
Fig. 1 is a kind of structural representation of major diameter sealing ring internal-and external diameter precision measuring instrument of the invention;
Fig. 2 is the internal diameter of the seal ring measuring principle figure in the present invention;
Fig. 3 is the sealing ring outside diameter measuring schematic diagram in the present invention.
In figure:1st, measuring table 2, measured workpiece 3, laser displacement sensor 4, vernier 5, magnetostriction vernier measuring staff
6th, magnet ring 7, electronics storehouse 8, swing arm 9, cylinder 10, motor 11, lifting arm 12, display screen 13, rack
Specific embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Embodiment 1
As shown in figure 1, a kind of major diameter sealing ring internal-and external diameter precision measuring instrument of the invention, it includes measuring table 1, lifting
Arm 11, swing arm 8, magneto strictive sensor, laser displacement sensor and data acquisition device, electric-control system;The He of lifting arm 11
Swing arm 8 is all level;The one end of lifting arm 11 is rack-mount, and cylinder 9 is vertically installed at the lower section of lifting arm 11, lifting arm
11 can promote lifting by cylinder 9;The other end of lifting arm 11 is flexibly connected with one end of swing arm 8 by rotary shaft, swing arm
It is fixedly connected with rotary shaft, the upper end of rotary shaft is connected with motor 10;Swing arm 8 can be by setting motor above it
10 (stepper motors) drive rotation.Magneto strictive sensor (i.e. device for sensing linear displacement caused by magnetostriction) is swum including a magnetostriction
Mapping bar 5;Magnetostriction vernier measuring staff 5 is arranged on swing arm 8;Magnetostriction vernier measuring staff 5 is built with magnetostriction line (ripple
Seal wire);Electronics storehouse 7 is located at one end of magnetostriction vernier measuring staff;Two verniers 4 are cased with magnetostriction vernier measuring staff 5, each
Vernier top is provided with one with the discontiguous magnet ring 6 (ball float) of magnetostriction vernier measuring staff 5;Each vernier lower end is provided with one
Laser displacement sensor 3.
Measuring table 1 is circular, and the center of circle of measuring table is located at the underface of rotary shaft axle center (fulcrum of swing arm),
That is the center of circle of measuring table and rotary shaft axle center (fulcrum of swing arm) is on same vertical curve.Measuring table 1 is arranged on machine
On cabinet 13, Industrial PC Computer is provided with rack, rack is provided with the display screen 12 being connected with PC;Laser displacement sensor 3, magnetic
Telescoping sensor 5 is caused to be connected with data acquisition device, data acquisition device is connected with the electric-control system of PC, electric-control system will
The data that obtain of measurement are calculated, process after measurement result is shown on the display 12.
One kind utilizes above-mentioned major diameter sealing ring internal-and external diameter precision measuring instrument, the method for measuring major diameter sealing ring internal-and external diameter
It is as follows:Measured workpiece 2 (major diameter sealing ring) is placed on circular measuring table 1, as makes measured workpiece 2 flat with measurement as possible
Platform 1 is concentric;Mobile laser displacement sensor gauge head (abbreviation laser feeler), makes sealing ring be generally in two laser feelers manually
The lower section in centre position, makes the horizontal range about 30mm between two laser feelers and sealing ring.Start measurement button, lift cylinder
Lifting arm is driven to move down, swing arm driven by stepper motors drives laser feeler to be rotated a circle along sealing ring, that is, complete measurement
The collection of data.Measurement result will be included on screen after Correlation method for data processing by electric-control system.
Measuring principle is as follows:Swing arm drives laser displacement sensor and magneto strictive sensor around the (sealing of measured workpiece 2
Circle) revolve and turn around, inner laser displacement sensor gauge head can measure the distance that the gauge head is justified to internal diameter of the seal ring, magnetostriction
The internal magnetic ring (inner magnet ring) of sensor accurate can measure the radius of the measuring route circle of inner gauge head;Outer laser position
Displacement sensor gauge head can measure the distance that the gauge head is justified to sealing ring external diameter, outer magnetic ring (the outer magnetic of magneto strictive sensor
Ring) accurate can measure the radius that the measuring route of outer gauge head is justified;Laser displacement sensor, magneto strictive sensor will be above-mentioned
Measured data is transported to the electric-control system of PC by data acquisition device, and the electric-control system (data processing module) of PC will be surveyed
The data for measuring are calculated, process after by measurement result (internal-and external diameter of major diameter sealing ring) display on the display 12.
As shown in Fig. 2 the inner diameter measurement principle and formulation process and method of major diameter sealing ring are as follows:It is real in Fig. 2
Line great circle represents the internal diameter circle of measured workpiece sealing ring, and the big radius of circle of solid line is that internal diameter of the seal ring R is represented;Dotted line roundlet is represented
The measuring route circle of laser feeler, the small radius of circle of dotted line is represented with r.Offset distance between two centers of circle is represented with e.Laser feeler
Scanning one is enclosed, and can accurately measure the distance that the series of values such as AB, CD, i.e. gauge head are justified to internal diameter of the seal ring.I.e.:AB,CD
Equivalence is measured by laser range sensor.maxIt is interiorAnd minIt is interiorRepresent that inner laser displacement sensor gauge head rotation is turned around respectively,
Maximum AB and minimum value in ultimate range and minimum range that the gauge head is justified to internal diameter of the seal ring, the i.e. scan values of the gauge head
CD.The radius r of dotted line roundlet is obtained by the internal magnetic ring accurate measurement of magneto strictive sensor.
Calculated by geometry, it can be deduced that the big radius of circle of solid line (i.e. internal diameter of the seal ring) R in Fig. 2It is interiorComputing formula it is as follows.
In Fig. 2, AB=maxIt is interior, CD=minIt is interior, O1O2=e,
O1A=O1C=r, e=(maxIt is interior-minIt is interior)/2.
O2B=AB+O1A-O1O2=maxIt is interior+r-e
O2D=CD+O1C+O1O2=minIt is interior+r+e
RIt is interior=(O2B+O2D)/2=(maxIt is interior+minIt is interior)/2+r
As shown in figure 3, the outside diameter measuring principle and formulation process and method of major diameter sealing ring are as follows:It is real in Fig. 3
Line roundlet represents the external diameter circle of the sealing ring of measured workpiece 2, and the small radius of circle of solid line is represented with r;Dotted line great circle represents laser feeler
Measuring route is justified, and the big radius of circle of dotted line is represented with R.Offset distance between two centers of circle is represented with e.Laser feeler scanning one is enclosed,
The distance that the series of values such as AB, CD, i.e. gauge head are justified to sealing ring external diameter can be accurately measured.I.e.:AB, CD equivalence are by laser
Distance measuring sensor is measured.maxOutwardAnd minOutwardRepresent that outer laser displacement sensor gauge head rotation is turned around respectively, the gauge head is to close
The ultimate range and minimum range of seal external diameter circle, i.e., maximum CD and minimum value AB in the scan values of the gauge head.Dotted line is big
Round radius R is obtained by the outer magnetic ring accurate measurement of magneto strictive sensor.
Calculated by geometry, it can be deduced that the small radius of circle of solid line (i.e. sealing ring external diameter) R in Fig. 3OutwardComputing formula it is as follows.
In Fig. 3, AB=minOutward, CD=maxOutward, O1O2=e,
O1B=O1D=R, O1C=R-maxOutward.
O2A=O1B-AB-O1O2=R-minOutward-e
O2C=O1C+O1O2=R-maxOutward+e
ROutward=(O2A+O2C)/2=R- (maxOutward+minOutward)/2
The measuring instrument is a kind of the contactless of the advanced sensors elements such as use displacement transducer and contactless gauge head
Automatic Precision Measurement instrument.Measurement range is set to 150mm to 1200mm, i.e., the minimum diameter of measurable sealing ring is not less than 150mm,
Maximum outside diameter is no more than 1200mm.Certainty of measurement 0.01mm, i.e., after standard steel annulus is verified, duplicate measurements precision is little
In 0.01mm.Resolving power can reach less than 8 μm according to displacement transducer precision.
Claims (10)
1. a kind of major diameter sealing ring internal-and external diameter precision measuring instrument, it is characterised in that it includes measuring table, lifting arm, swing
Arm, magneto strictive sensor, laser displacement sensor and data acquisition device;Lifting arm one end is rack-mount, lifting arm
The other end be flexibly connected with one end of swing arm;Lifting arm can oscilaltion, the rotatable swing of swing arm;Magnetostriction is sensed
Device includes a magnetostriction vernier measuring staff;Magnetostriction vernier measuring staff is installed on a swing arm;Covered on magnetostriction vernier measuring staff
There are two verniers, each vernier top is provided with a magnet ring;Each vernier lower end is provided with a laser displacement sensor;Laser position
Displacement sensor, magneto strictive sensor are connected with data acquisition device.
2. major diameter sealing ring internal-and external diameter precision measuring instrument as claimed in claim 1, it is characterised in that cylinder is vertically installed at
Lifting arm lower section, lifting arm can be promoted by cylinder and lifted.
3. major diameter sealing ring internal-and external diameter precision measuring instrument as claimed in claim 1, it is characterised in that the other end of lifting arm
It is flexibly connected by rotary shaft with one end of swing arm, swing arm is fixedly connected with rotary shaft, rotary shaft is connected with motor,
Swing arm can be driven by motor and be rotated.
4. major diameter sealing ring internal-and external diameter precision measuring instrument as claimed in claim 3, it is characterised in that measuring table is circular
's;The center of circle of measuring table is located at the underface in rotary shaft axle center.
5. the major diameter sealing ring internal-and external diameter precision measuring instrument as described in claim 1,2 or 3, it is characterised in that lifting arm and
Swing arm is all level;Magnetostriction vernier measuring staff is built with magnetostriction line;Electronics storehouse is located at magnetostriction vernier measuring staff
One end.
6. the major diameter sealing ring internal-and external diameter precision measuring instrument as described in claim 1,2 or 3, it is characterised in that data acquisition
Device is connected with electric-control system.
7. major diameter sealing ring internal-and external diameter precision measuring instrument as claimed in claim 6, it is characterised in that measuring table is arranged on
On rack, PC is provided with rack, rack is provided with the display screen being connected with PC;The automatically controlled system of data acquisition device and PC
System connection.
8. the major diameter sealing ring internal-and external diameter precision measuring instrument as described in claim 1,2 or 3, it is characterised in that the measuring instrument
Measurement range be 150mm to 1200mm, i.e., the minimum diameter of measurable sealing ring is no more than not less than 150mm, maximum outside diameter
1200mm;The certainty of measurement of the measuring instrument reaches 0.01mm;The resolving power of the measuring instrument is up to less than 8 μm.
9. a kind of major diameter sealing ring internal-and external diameter precision measuring instrument using as described in claim 1-8 is any, measures major diameter
The method of sealing ring internal-and external diameter, it is characterised in that measured workpiece sealing ring is placed on circular measuring table, make as far as possible by
Survey Work piece sealing circle concentric with measuring table;Mobile laser displacement sensor gauge head, makes measured workpiece sealing ring substantially locate manually
In the lower section in the centre position of two laser displacement sensor gauge heads, make the level between laser displacement sensor gauge head and sealing ring
Distance is in 20-40mm;Start measurement button, lift cylinder drives lifting arm to move down, and swing arm driven by stepper motors drives
Laser displacement sensor gauge head rotates a circle along sealing ring, that is, complete the collection of measurement data;Swing arm drives laser displacement to pass
Sensor and magneto strictive sensor rotation are turned around, and two gauge heads of laser displacement sensor can respectively measure gauge head in sealing ring
Footpath justify and external diameter circle distance, two magnet rings of magneto strictive sensor accurate can measure two laser displacement sensor gauge heads
The radius of measuring route circle;Electric-control system will be measured after the related data that obtains carries out calculating treatment, by sealing ring internal-and external diameter
Measurement result is displayed on screen.
10. the method for measuring major diameter sealing ring internal-and external diameter as claimed in claim 9, it is characterised in that
Electric-control system will measure the data for obtaining and be calculated by equation below, that is, obtain the internal diameter data of sealing ring:
RIt is interior=(maxIt is interior+minIt is interior)/2+r
In above formula, RIt is interiorFor the radius that the internal diameter of sealing ring is justified;maxIt is interiorAnd minIt is interiorRepresent that inner laser displacement sensor is surveyed respectively
Head rotation is turned around, ultimate range and minimum range that the gauge head to internal diameter of the seal ring is justified;R is that inner laser displacement sensor is surveyed
Head rotation is turned around, the radius of the measuring route circle of the gauge head;
Electric-control system will measure the data for obtaining and be calculated by equation below, that is, obtain the external diameter data of sealing ring:
ROutward=R- (maxOutward+minOutward)/2
In above formula, ROutwardFor the radius that the external diameter of sealing ring is justified;R is that outer laser displacement sensor gauge head rotation is turned around, the survey
The radius of the measuring route circle of head;maxOutwardAnd minOutwardRepresent that outer laser displacement sensor gauge head rotation is turned around respectively, the survey
Ultimate range and minimum range of the head to sealing ring external diameter circle.
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CN115289970A (en) * | 2022-08-30 | 2022-11-04 | 星泓智造装备有限公司 | Large-scale ring piece automatic check out test set |
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CN110906876A (en) * | 2019-12-06 | 2020-03-24 | 山西迪迈沃科光电工业有限公司 | Non-contact extreme method inner diameter detection method and device |
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CN114252041B (en) * | 2020-09-21 | 2024-02-13 | 宝山钢铁股份有限公司 | Non-contact online measuring method for outer diameter of pipe end of steel pipe |
CN114252041A (en) * | 2020-09-21 | 2022-03-29 | 宝山钢铁股份有限公司 | Non-contact type on-line measuring method for outer diameter of steel pipe end |
CN112747699A (en) * | 2020-12-01 | 2021-05-04 | 杭州电子科技大学 | Device and method for simultaneously detecting flatness and inner and outer diameters of glassware |
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Application publication date: 20170524 |