CN110274563A - Non-metal board calibrator error-detecting calibrating installation and method - Google Patents
Non-metal board calibrator error-detecting calibrating installation and method Download PDFInfo
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- CN110274563A CN110274563A CN201910674680.8A CN201910674680A CN110274563A CN 110274563 A CN110274563 A CN 110274563A CN 201910674680 A CN201910674680 A CN 201910674680A CN 110274563 A CN110274563 A CN 110274563A
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- board
- scanning head
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- 229910052755 nonmetal Inorganic materials 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000009434 installation Methods 0.000 title claims abstract description 14
- 150000002843 nonmetals Chemical class 0.000 title claims description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 239000000523 sample Substances 0.000 claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 239000011888 foil Substances 0.000 claims abstract description 10
- 238000007689 inspection Methods 0.000 claims abstract description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 35
- 230000033001 locomotion Effects 0.000 claims description 27
- 230000003014 reinforcing effect Effects 0.000 claims description 25
- 238000006073 displacement reaction Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 238000013519 translation Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 2
- 230000035772 mutation Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 210000003205 muscle Anatomy 0.000 abstract description 2
- 238000012797 qualification Methods 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 239000004568 cement Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000000875 corresponding effect Effects 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005288 electromagnetic effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- 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
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
-
- 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
- G01B21/02—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 length, width, or thickness
- G01B21/04—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 length, width, or thickness by measuring coordinates of points
- G01B21/042—Calibration or calibration artifacts
Abstract
The invention discloses a kind of non-metal board calibrator error-detecting calibrating installation and methods.It is mounted in non-metal board calibrator testing agency including calibrated bolck mechanism, non-metal board calibrator testing agency and the automatic Xun Sao mechanism of probe, automatic Xun Sao mechanism of popping one's head in；Glove flat board is located at immediately below scanning plate, and glove flat board both ends are installed on device support stand by grating scale vertical sliding；It is glove region and steel loading muscle among glove flat board upper surface, there is foil gage in scanning plate lower surface；Ball screw external thread sleeve is equipped with ball screw nut seat, and ball screw nut seat is inlaid on guide rail, and scanning head is installed through telescopic rod in ball screw nut seat bottom end.The present invention more preferably can really examine the detection data of non-metal board calibrator in practice, preferably examine the qualification rate of non-metal board, reduce air dielectric layer in checkout procedure can be used as inspection body and instrument and uses the self-checking unit of calibrating unit compared to the error of non-metal board in practice.
Description
Technical field
The present invention relates to architectural engineering product qualities to detect error-detecting analysis and measurement and calibration field in checkout procedure,
Relate to a kind of non-metal board calibrator error-detecting calibrating installation and method.
Background technique
With the development that modern society builds, non-metal plate thickness, which detects such safety, becomes the primary of people
Consider, therefore during non-metal board calibrator in the market be used to measure non-metal plate thickness, accuracy needs
It is completely secured, to guarantee being perfectly safe for construction quality, the safety for avoiding non-metal board from occurring by quality dissatisfaction
Problem, in the Mass accuracy detection checkout procedure for non-metal board calibrator instrument, traditional method of inspection is to add manually
The calibrated bolck of different-thickness is added to carry out the non-metal board of simplation examination different-thickness.
So the error-detecting calibration for non-metal board calibrator just seems particularly significant, however do not have on the market at present
Corresponding high-precision automatic detection device, during conventional inspection, from the plate of scanning probe to rebar surface
This middle layer of thickness is air dielectric layer, and for true cement plate dielectric layer, electromagnetic motion principle is in difference
Medium propagation law and dependent attenuation parameter be different, this will can also generate certain error to the data of detection,
And then instrument may be detected and generate certain erroneous judgement；For simulating the non-metal board of different-thickness, need by manually
The calibrated bolck of different-thickness is replaced, it is both inconvenient so really to examine, error can be also further increased, and movement is swept manually
In the case where retouching probe, it cannot guarantee its uniform movement speed well, the position that thickness can be also detected to it generates centainly
Erroneous judgement.
Summary of the invention
In order to solve the problems, such as background technique, the invention proposes a kind of non-metal board calibrator error-detecting schools
Standard apparatus and method.Apparatus of the present invention can be used as inspection body and instrument and use the self-checking unit of calibrating unit.
The technical scheme adopted by the invention is that:
One, a kind of non-metal board calibrator error-detecting calibrating installation:
Whole device includes calibrated bolck mechanism, non-metal board calibrator testing agency and the automatic Xun Sao mechanism of probe；Standard
Block actuator base is equipped with universal wheel, is supported in ground by universal wheel, and automatic Xun Sao mechanism of popping one's head in is mounted on non-metal board survey
In Hou Yi testing agency.
Function of the invention is to realize for non-metal plate thickness high-acruracy survey, while to the air layer in detection process
Compensation is measured, reduces air dielectric layer for error caused by electromagnetic signal, and rotate using the center of designed, designed
The calibrated bolck of formula.
The universal wheel is mainly used for the mobile convenience of whole device, is mainly used in calibrated bolck mechanism in the present invention
Aerial Work LT on.
The calibrated bolck mechanism includes Aerial Work LT and the muti-piece acrylic board that is arranged on Aerial Work LT
Calibrated bolck；The different acrylic board calibrated bolck arranged stacked of each block specifications, one end of each acrylic board calibrated bolck are provided with through-hole,
Cylinder runs through the through-hole of each piece of acrylic board calibrated bolck, and cylinder is coupled by ball and through hole wall, and cylinder bottom is fixed
In on Aerial Work LT, so that the different acrylic board calibrated bolck of each block specifications is hingedly installed on Aerial Work LT.
The acrylic board calibrated bolck addition has glass fibre.
Non-metal board calibrator testing agency is mainly made of glove flat board, scanning plate and grating scale, and scanning is flat
Plate passes through the device support stand fixed and arranged of two sides, and glove flat board is located at immediately below scanning plate, and glove flat board both ends pass through light
Grid ruler vertical sliding is installed on device support stand；It is used as glove region among glove flat board upper surface, is fixed in glove region
There is a cuboid geosynclinal block, cuboid geosynclinal block top surface opens up out V-groove, and reinforcing bar, the glove around cuboid geosynclinal block are installed in V-groove
Non-metal board is placed in region, and scanning plate lower surface center arrangement has two foil gages, and two foil gages are flat about scanning
Plate lower surface central point is symmetrical.
The probe automatic detecting sweep mechanism includes ball screw and ball screw nut seat, and ball screw is located at scanning
Above plate, passes through thread bush outside ball screw equipped with ball screw nut seat and form feed screw nut pair, ball screw two sides are set
There is guide rail, ball screw nut seat two sides are slided be inlaid on guide rail simultaneously, and it is flexible that ball screw nut seat bottom end is equipped with one
Bar, the scanning head of non-metal board calibrator are fixed on telescopic rod lower end, and scanning head is for touching scanning plate upper surface；
The vertical rack top surface of scanning plate two sides offers the guide groove of bar shaped, is mounted on sliding block, ball screw two in guide groove
End is supported in the sliding block of two sides, and ball screw is perpendicular to the direction of guide groove, and wherein the vertical rack side of side is equipped with one
The output shaft of micro-machine, micro-machine is sequentially connected through gear V belt translation and the gear synchronous above micro-machine, tooth
It is coaxially connected to take turns the end through shaft coupling and ball screw.
The grating scale includes grating head and grating scale foot bar in mating connection, and grating scale foot bar is inlaid in device support
In the vertical guide groove that frame side opens up, grating head is mutually fixedly connected with glove flat board.
The notch being coupled for cuboid geosynclinal block is offered among the acrylic board calibrated bolck bottom surface.
It further include control device case and data treatment bench, control device case and data treatment bench are located at non-metal board calibrator
The side of testing agency.
Control device case is installed on the left side of non-metal board calibrator testing agency, is mainly used for driving glove flat board liter
Drop mainly has as the servo motor of driving glove flat board lifting and servo-driver, retarder and acquisition controller etc..
The other side of the data processing platform in non-metal board calibrator testing agency relative to control device case, it is main to use
The real-time record of detection and feedback data in detection process and processing, and there is corresponding software kit to operate.
Micro-machine is connected with control device case, two foil gages, grating scale, scanning head, control device case sum number
It is connected according to treatment bench.
Two, a kind of non-metal board calibrator error-detecting calibration method, using above-mentioned apparatus, method and step is as follows:
S1: control telescopic rod is retractable to scanning head and the upper surface of scanning plate just contacts, in the V of cuboid geosynclinal block
Reinforcing bar is placed in type groove, does not place non-metal board, and reinforcing bar axis and ball screw axis direction are vertical；
S2: driving micro-machine work drives ball screw rotation, drives ball screw nut seat water by transmission
Translation is dynamic, and then drive scanning head starts one end of self-scanning plate upper surface to other end uniform motion, in motion process
In:
Displacement signal amplitude collected first appears scanning head when being mutated attenuation change to writing scan probe in real time
Section one side edge of the position as first position a, as reinforcing bar；
Scanning head continues uniform motion, when the real-time displacement signal amplitude collected of writing scan probe occurs minimum
Section tip of the scanning head position as second position b, as reinforcing bar；
Scanning head continues uniform motion, writing scan probe real-time displacement signal amplitude and first position a collected
Section another side edge of the identical scanning head position of corresponding signal amplitude as the third place c, as reinforcing bar；
S3: after scanning head reaches the third place c, stop uniform motion；
S4: the sliding block at driving ball screw both ends moves along guide groove and drives ball screw along perpendicular to own axes water
Translation is dynamic, while driving ball screw rotation that ball screw nut seat is driven to move along ball screw axis horizontal, so that ball
It is the center of circle, with first position a and that feed screw nut's seat and scanning head thereon surround the second position corresponding position b in the horizontal plane
Circumference uniform motion of the distance as circle diameter between three position c；
S5: the scanning head position when scanning head moves to displacement signal amplitude appearance minimum collected in real time
When, it is believed that scanning head reaches most short at a distance from reinforcing bar, records position and displacement signal amplitude data, and scanning head does more
Secondary circular motion records multiple groups, calculates the average value of multi-group data as the first detected value M1 under air dielectric layer；
S6: the acrylic board calibrated bolck of different size is sequentially placed between scanning plate and glove flat board, will be scanned
Probe is moved at the b of the second position, and the displacement signal amplitude data acquired by scanning head is as under calibrated bolck dielectric layer
Second detected value M2, makes the difference acquisition error for the first detected value M1 and the second detected value M2, carries out school to scanning head with error
It is quasi-.
Analogies of the acrylic board calibrated bolck as non-metal board use non-metal board to be measured in specific implementation
(such as floor) replaces acrylic board calibrated bolck.
Scanning head is calibrated with error, is specially repeated the above process, obtains multiple groups air dielectric layer and mark
The detection Value Data of quasi- block dielectric layer compares, and carries out data fitting using least square method and obtains compensation rate, and will mend
The amount of repaying is added in the data acquisition process of scanning head, so that scanning head in the case where no calibrated bolck, air dielectric layer
The detection data obtained during Scanning Detction is the detection data in the case of calibrated bolck, as accurate data.
The scanning plate is metal using nonmetallic, described reinforcing bar.
When detection data is transmitted back to data, actually detected air can be added calibrated bolck medium compensation for full calibrated bolck Jie
Matter, there will be no errors caused by intermediate air medium for data actually detected in this way, more preferably can really examine in practice
The detection data of non-metal board calibrator preferably examines the qualification rate of non-metal board, reduces air dielectric layer in checkout procedure
Compared to the error of non-metal board layer in practice.
Steps are as follows for overall work of the invention:
S1: it is determined from zero point position.
S2: the Thickness sensitivity in the case of the cement plate dielectric layer of calibrated bolck simulation.
S3: the Thickness sensitivity in the case of air dielectric layer.
S4: correlated fitting compensation is carried out using least square method.
The beneficial effects of the present invention are:
1) automatic detecting sweep mechanism structure is simple in the present invention, can be realized test point accurate positioning, and by doing
Circular motion obtains multiple groups detection thickness value, improves the accuracy of detection data；It is replaced using the calibrated bolck mechanism of designed, designed
Traditional manual is superimposed the mode of calibrated bolck, improves automatization level, reduces the triviality of operation.
2) dielectric layer of equipment room is simulated in practical application from compensated with air by way of compensation in the present invention
Cement plate, because distance interval is cement object in non-metal board calibrator actual measurement object to be measured, and equipment actual interval is air,
Avoid the bring detection error due to difference of two media layer and and generate certain erroneous judgement in precision, even if subsequent empty
Thickness sensitivity value in the case of gas medium layer is also to have added the thickness inspection of cement plate dielectric layer in calibrated bolck simulation practical application
Measured value.
The present invention can be used as non-metal board calibrator manufacturer, using unit self-test, especially metering institute, quality inspection institute etc.
It is gentle accurate to substantially increase Automated water to the standard set-up of the accuracy detection of non-metal board calibrator for correlation calibrating unit
Property, avoid the factors such as the erroneous judgement that material generates electromagnetic effect, dielectric layer difference.
Detailed description of the invention
Fig. 1 is that flow chart is compensated in the present invention.
Fig. 2 is automatic Xun Sao mechanism work flow diagram of popping one's head in the present invention.
Fig. 3 (a) is automatic Xun Sao mechanism detection schematic elevation view of popping one's head in the present invention.
Fig. 3 (b) is automatic Xun Sao mechanism detection schematic top plan view of popping one's head in the present invention
Fig. 4 is single unit system schematic diagram in the present invention.
Fig. 5 (a) is schematic diagram when Plays block of the present invention mechanism wouldn't need.
Fig. 5 (b) is schematic diagram when Plays block of the present invention mechanism needs.
Fig. 6 is non-metal board calibrator testing agency schematic diagram in the present invention.
Fig. 7 is to pop one's head in follow automatically in the present invention to sweep structural scheme of mechanism.
Fig. 8 is the distribution schematic diagram of two foil gauges in the present invention.
Fig. 9 is that glove flat board connects grating scale partial enlargement diagram in the present invention.
Figure 10 is motor driven ball screw rod transmission schematic diagram in the present invention.
In figure: 1. calibrated bolck mechanisms, 2. control device casees, 3. non-metal board calibrator testing agencies, 4. data processing platforms,
5. pop one's head in automatic Xun Sao mechanism, 101. calibrated bolcks, 102. Aerial Work LTs, 104. balls, 105. cylinders, 301. gloves are flat
Plate, 302. scanning plates, 303. liang of foil gages, 304. cuboid geosynclinal block, 305. reinforcing bars, 306 devices with V-groove mouth
Support frame, 307. bottom support plates, 308. grating scales, 501. ball screws, 502. ball screw nut seats, 503. telescopic rods,
504. non-metal board calibrator scanning heads, 505. both sides support frames, 507. micro-machines, 508. shaft couplings, 509. liang of sliding blocks.
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be further described.
As shown in figure 4, whole device includes calibrated bolck mechanism 1, control device case 2, non-metal board calibrator testing agency
3, data processing platform 4 and the automatic Xun Sao mechanism 5 of probe；1 bottom of calibrated bolck mechanism is equipped with universal wheel, is supported in by universal wheel
Ground, automatic Xun Sao mechanism 5 of popping one's head in are mounted in non-metal board calibrator testing agency 3, control device case 2 and data treatment bench
4 are located at the side of non-metal board calibrator testing agency 3.
As shown in figure 5, calibrated bolck mechanism 1 includes Aerial Work LT 102 and is arranged in more on Aerial Work LT 102
Block acrylic board calibrated bolck 101；Different 101 arranged stacked of acrylic board calibrated bolck of each block specifications, each acrylic board standard
One end of block 101 is provided with through-hole, and cylinder 104 runs through the through-hole of each piece of acrylic board calibrated bolck 101, and cylinder 104 passes through ball 105
It is coupled with through hole wall, 104 bottom of cylinder is fixed on lifting platform 102, so that the acrylic board mark that each block specifications are different
Quasi- block 101 is hingedly installed on lifting platform 102, forms center rotary structure, every piece of acrylic board calibrated bolck 101 can be independent
It is rotated around cylinder 104.
As shown in fig. 6, non-metal board calibrator testing agency 3 is mainly by glove flat board 301, scanning plate 302 and grating
Ruler 308 forms, and scanning plate 302 passes through 306 fixed and arranged of device support stand of two sides, and the device support stand 306 of two sides is fixed
In bottom support plate 307, glove flat board 301 is located at immediately below scanning plate 302, and 301 both ends of glove flat board pass through grating scale 308
Vertical sliding is installed on device support stand 306；It is used as glove region among 301 upper surface of glove flat board, consolidates in glove region
Surely there is a cuboid geosynclinal block 304,304 top surface of cuboid geosynclinal block opens up out V-groove, installs reinforcing bar 305, cuboid slot in V-groove
Non-metal board is placed in glove region around block 304, specifically non-metal board be placed in scanning plate 302 and glove flat board 301 it
Between, and bottom carries out location and installation on cuboid geosynclinal block 304, as shown in figure 8, scanning 302 lower surface arrangement of plate
There are two foil gages 303；Automatic Xun Sao mechanism 5 of popping one's head in includes ball screw 501 and ball screw nut seat 502, ball wire
Bar 501 is located at 302 top of scanning plate, passes through thread bush outside ball screw 501 and forms screw rod equipped with ball screw nut seat 502
Pair of nut, 501 two sides of ball screw are equipped with guide rail, and 502 two sides of ball screw nut seat are slided be inlaid on guide rail simultaneously, ball
502 bottom ends of feed screw nut's seat are equipped with a telescopic rod 503, and the scanning head 504 of non-metal board calibrator is fixed on telescopic rod 503
Lower end, scanning head 504 is for touching scanning 302 upper surface of plate；Scan 505 top surface of vertical rack of 302 two sides of plate
The guide groove of bar shaped is offered, two vertical racks 505 of two sides are fixed on scanning 302 two sides of plate, are respectively mounted in guide groove
Have a sliding block 509,501 both ends of ball screw are supported in the sliding block 509 of two sides, ball screw 501 perpendicular to guide groove direction, such as
Shown in Figure 10, wherein the support frame side of side is equipped with a micro-machine 507, and the output shaft of micro-machine 507 is through gear band
Transmission and the gear synchronous transmission connection above micro-machine 507, end of the gear through shaft coupling 5-8 and ball screw 501
Portion is coaxially connected；The operation of micro-machine 507 band moving gear and ball screw 501 rotate, and then drive ball through screw pair
Feed screw nut's seat 502 moves horizontally.
As shown in Fig. 3 (a), Fig. 3 (b), Fig. 7, horizontal X direction of the ball screw nut seat 502 on screw rod 501 is driven to move
Dynamic, sliding block 509 moves on vertical rack 505 along Y-direction in addition, by the movement and the ball screw nut that control sliding block 509
The mobile of seat 502 can drive scanning head 504 to complete class circular motion.
As shown in figure 9, grating scale 308 includes grating head 3081 and grating scale foot bar 3082 in mating connection, grating scale
Foot bar 3082 is inlaid in the vertical guide groove that 306 side of device support stand opens up, and grating head 3081 is mutually fixed with glove flat board 301
Connection；When 301 lifting moving of glove flat board, drives grating head 3081 to move in grating scale foot bar 3082, obtain grating scale
Displacement data.
Acrylic board calibrated bolck offers the notch being coupled for cuboid geosynclinal block 304 among 101 bottom surface.
As shown in Figure 1, specific implementation process of the present invention is as follows:
S1: control telescopic rod 503 is retractable to scanning head 504 and the upper surface of scanning plate 302 just contacts, rectangular
Reinforcing bar is placed in the V-groove of body geosynclinal block 304, does not place non-metal board, and reinforcing bar axis and 501 axis direction of ball screw are vertical；
S2: the driving work of micro-machine 507 drives ball screw 501 to rotate, and drives ball screw spiral shell by transmission
Base 502 moves horizontally, and moving direction is denoted as X-direction, and then scanning head 504 is driven to start 302 upper surface of self-scanning plate
One end to other end uniform motion, as shown in Fig. 2, during the motion, scanning head 504 can straight line issue electromagnetism downwards
Wave, electromagnetic wave pass through the object immediately below the scanning detection of plate 302, encounter metal object reflection and obtain shift length data:
Scanning when writing scan 504 real-time displacement signal amplitudes collected of probe first appear mutation attenuation change is visited
As first position a, position is section a side along the position that ball screw 501 is axially moved, as reinforcing bar for first 504 position
Edge；
Scanning head 504 continues uniform motion, and displacement signal amplitude collected most writing scan probe 504 occurs in real time
504 position of scanning head of hour is as second position b, and scanning head 504 reaches most short at a distance from reinforcing bar at this time, as steel
The section tip of muscle；
Scanning head 504 continues uniform motion, writing scan 504 real-time displacement signal amplitudes collected and first of probe
Section another side of identical 504 position of scanning head of the corresponding signal amplitude of position a as the third place c, as reinforcing bar
Edge；
S3: after scanning head 504 reaches the third place c, stop uniform motion；
S4: the sliding block at driving 501 both ends of ball screw moves along guide groove and drives ball screw 501 along perpendicular to itself
Axis horizontal is mobile, while the rotation of ball screw 501 being driven to drive ball screw nut seat 502 along 501 axis water of ball screw
Translation is dynamic, the superposition that two horizontal directions are taken exercises, so that ball screw nut seat 502 and scanning head 504 thereon exist
Around the corresponding position second position b for the center of circle, using distance between first position a and the third place c as circle diameter on horizontal plane
Circumference uniform motion；
S5: the scanning head when scanning head 504 moves to displacement signal amplitude appearance minimum collected in real time
When 504 position, it is believed that scanning head 504 reaches most short at a distance from reinforcing bar, records position and displacement signal amplitude data, sweeps
It retouches probe 504 and does multiple circular motion record multiple groups, calculate the average value of multi-group data as the first inspection under air dielectric layer
Measured value M1；
S6: by the acrylic board calibrated bolck 101 of different size be sequentially placed in scanning plate 102 and glove flat board 101 it
Between, and 101 bottom of acrylic board calibrated bolck carries out location and installation on cuboid geosynclinal block 304, and scanning head 504 is moved
It moves at the b of the second position, the displacement signal amplitude data acquired by scanning head 504 is as second under calibrated bolck dielectric layer
Detected value M2, makes the difference acquisition error for the first detected value M1 and the second detected value M2, carries out school to scanning head 504 with error
It is quasi-.
Analogies of the acrylic board calibrated bolck 101 as non-metal board, the scanning use of plate 302 is nonmetallic, and reinforcing bar is gold
Belong to.
Scanning head 504 is calibrated with error, is specially repeated the above process, obtain multiple groups air dielectric layer and
The detection Value Data of calibrated bolck dielectric layer compares, and carries out data fitting using least square method and obtains compensation rate, and will
Compensation rate is added in the data acquisition process of scanning head 504, so that scanning in the case where no calibrated bolck, air dielectric layer
The detection data obtained in scanning probe detection process is the detection data in the case of calibrated bolck, as accurate data.In this way
Detection device after completing compensation data can preferably simulate the Thickness sensitivity of the cement plate in practical application, avoid because examining
In journey in air dielectric layer and practical application cement plate dielectric layer difference and bring error.
In the case of at the beginning, scans position between plate 302 and glove flat board 301 and fix, distance is fixed.Specific implementation
In, need to move down glove flat board 301 when placing acrylic board calibrated bolck 101, then place acrylic board calibrated bolck 101, after placement
101 top surface of acrylic board calibrated bolck and scanning 302 bottom surface abutting contact of plate.When placing acrylic board calibrated bolck 101, grating
The position of the positioning adjustment glove flat board 301 of ruler 308, so that placing 301 side of the glove flat board after acrylic board calibrated bolck 101
Readings are consistent for the grating scale 308 on 301 side of glove flat board before the reading of grating scale 308 and placement acrylic board calibrated bolck 101.
After above-mentioned apparatus and method of the present invention carry out the calibrating for error of special designing, simulated in achievable checkout procedure practical
Thickness sensitivity in the case of cement plate dielectric layer, due to avoiding the difference because of air dielectric layer and practical cement plate dielectric layer
Bring examines error.
Finally it is pointed out that above embodiments and a kind of control method of proposition are only the more representational examples of the present invention
Son, it is clear that a kind of control method that technical solution of the present invention is not limited to the above embodiments and proposes, acceptable there are many become
Shape.All deformations that those skilled in the art directly can export or associate from the disclosure of invention, should all recognize
To be protection scope of the present invention.
Claims (10)
1. a kind of non-metal board calibrator error-detecting calibrating installation, it is characterised in that: whole device includes calibrated bolck mechanism
(1), control device case (2), data processing platform (4), non-metal board calibrator testing agency (3) and the automatic Xun Sao mechanism of probe
(5)；Calibrated bolck mechanism (1) bottom is equipped with universal wheel, is supported in ground by universal wheel, automatic Xun Sao mechanism (5) peace of popping one's head in
In non-metal board calibrator testing agency (3)；Control device case (2) and data treatment bench (4) are located at non-metal board thickness measuring
The side of instrument testing agency (3)；
Non-metal board calibrator testing agency (3) is mainly by glove flat board (301), scanning plate (302) and grating scale
(308) it forms, scans device support stand (306) fixed and arranged of plate (302) by two sides, glove flat board (301), which is located at, sweeps
It retouches immediately below plate (302), glove flat board (301) both ends are installed on device support stand by grating scale (308) vertical sliding
(306) on；It is used as glove region among glove flat board (301) upper surface, is fixed with a cuboid geosynclinal block in glove region
(304), cuboid geosynclinal block (304) top surface opens up out V-groove, reinforcing bar (305) is installed in V-groove, around cuboid geosynclinal block (304)
Glove region place non-metal board, scanning plate (302) lower surface center arrangement have two foil gages (303), two foil
(303) are answered to become piece symmetrical about scanning plate (302) lower surface central point；
The probe automatic detecting sweep mechanism (5) includes ball screw (501) and ball screw nut seat (502), ball wire
Bar (501) is located above scanning plate (302), and ball screw (501) is equipped with ball screw nut seat (502) by thread bush outside
Feed screw nut pair is formed, ball screw (501) two sides are equipped with guide rail, and ball screw nut seat (502) two sides are slided be embedded in simultaneously
On guide rail, ball screw nut seat (502) bottom end is equipped with a telescopic rod (503), the scanning head of non-metal board calibrator
(504) it is fixed on telescopic rod (503) lower end, scanning head (504) is for touching scanning plate (302) upper surface；Scanning is flat
Vertical rack (505) top surface of plate (302) two sides offers the guide groove of bar shaped, is mounted on sliding block (509) in guide groove, rolling
Ballscrew (501) both ends are supported in the sliding block (509) of two sides, and ball screw (501) is perpendicular to the direction of guide groove, wherein side
Vertical rack (505) side be equipped with a micro-machine (507), the output shaft of micro-machine (507) through gear V belt translation and
Gear synchronous transmission connection above micro-machine (507), end of the gear through shaft coupling (508) and ball screw (501)
Portion is coaxially connected.
2. a kind of non-metal board calibrator error-detecting calibrating installation according to claim 1, it is characterised in that: described
Calibrated bolck mechanism (1) includes Aerial Work LT (102) and the muti-piece acrylic board mark being arranged on Aerial Work LT (102)
Quasi- block (101)；Different acrylic board calibrated bolck (101) arranged stacked of each block specifications, each acrylic board calibrated bolck (101)
One end is provided with through-hole, and cylinder (104) runs through the through-hole of each piece of acrylic board calibrated bolck (101), and cylinder (104) passes through ball
(105) it is coupled with through hole wall, cylinder (104) bottom is fixed on Aerial Work LT (102), so that each block specifications are not
Same acrylic board calibrated bolck (101) is hingedly installed on Aerial Work LT (102).
3. a kind of non-metal board calibrator error-detecting calibrating installation according to claim 1, it is characterised in that: described
Acrylic board calibrated bolck (101) addition has glass fibre.
4. a kind of non-metal board calibrator error-detecting calibrating installation according to claim 1, it is characterised in that: the light
Grid ruler (308) includes grating head in mating connection (3081) and grating scale foot bar (3082), and grating scale foot bar (3082) is embedded in
In the vertical guide groove that device support stand (306) side opens up, grating head (3081) is mutually fixedly connected with glove flat board (301).
5. a kind of non-metal board calibrator error-detecting calibrating installation according to claim 3, it is characterised in that: described
The notch being coupled for cuboid geosynclinal block (304) is offered among acrylic board calibrated bolck (101) bottom surface.
6. a kind of non-metal board calibrator error-detecting calibrating installation according to claim 3, it is characterised in that: small electrical
Machine (507) and control device case (2) connection, two foil gages (303), grating scale (308), scanning head (504), control dress
Set case (2) and data treatment bench (4) connection.
7. a kind of non-metal board calibrator error-detecting calibration method, which is characterized in that any described using claim 1-6
A kind of non-metal board calibrator error-detecting calibrating installation, method and step are as follows:
S1: control telescopic rod (503) is retractable to scanning head (504) and the upper surface of scanning plate (302) just contacts, in length
Reinforcing bar is placed in the V-groove of cube geosynclinal block (304), does not place non-metal board, reinforcing bar axis and ball screw (501) axis direction
Vertically；
S2: driving micro-machine (507) work drives ball screw (501) rotation, drives ball screw spiral shell by transmission
Base (502) moves horizontally, and then scanning head (504) is driven to start one end of self-scanning plate (302) upper surface to another
Uniform motion is held, during the motion: displacement signal amplitude collected first appears mutation to writing scan probe (504) in real time
Section one side edge of scanning head (504) position as first position a, as reinforcing bar when attenuation change；Scanning head
(504) continue uniform motion, scanning when the real-time displacement signal amplitude collected of writing scan probe (504) occurs minimum is visited
Section tip of head (504) position as second position b, as reinforcing bar；Scanning head (504) continues uniform motion, and record is swept
Retouch probe (504) the identical scanning head of displacement signal amplitude and the corresponding signal amplitude of first position a collected in real time
(504) section another side edge of the position as the third place c, as reinforcing bar；
S3: after scanning head (504) reaches the third place c, stop uniform motion；
S4: the sliding block at driving ball screw (501) both ends moves along guide groove and drives ball screw (501) along perpendicular to itself
Axis horizontal is mobile, while ball screw (501) rotation being driven to drive ball screw nut seat (502) along ball screw (501)
Axis horizontal is mobile, so that ball screw nut seat (502) and scanning head (504) thereon surround second in the horizontal plane
Setting the corresponding position b is the center of circle, using distance between first position a and the third place c as the circumference uniform motion of circle diameter；
S5: the scanning head when scanning head (504) moves to displacement signal amplitude appearance minimum collected in real time
(504) when position, it is believed that scanning head (504) reaches most short at a distance from reinforcing bar, records position and displacement signal amplitude number
According to scanning head (504) does multiple circular motion record multiple groups, calculates the average value of multi-group data as under air dielectric layer
First detected value M1；
S6: the acrylic board calibrated bolck (101) of different size is sequentially placed in scanning plate (302) and glove flat board (301)
Between, scanning head (504) is moved at the b of the second position, the displacement signal amplitude data acquired by scanning head (504)
As the second detected value M2 under calibrated bolck dielectric layer, the first detected value M1 and the second detected value M2 are made the difference into acquisition error, used
Error calibrates scanning head (504).
8. a kind of non-metal board calibrator error-detecting calibration method according to claim 7, it is characterised in that: described
Analogies of the acrylic board calibrated bolck (101) as non-metal board replace sub- gram using non-metal board to be measured in specific implementation
Power plate calibrated bolck (101).
9. a kind of non-metal board calibrator error-detecting calibration method according to claim 7, it is characterised in that: use error
Scanning head (504) is calibrated, is specially repeated the above process, obtains multiple groups air dielectric layer and calibrated bolck dielectric layer
Detection Value Data compare, using least square method carry out data fitting obtain compensation rate, and by compensation rate addition sweep
In the data acquisition process for retouching probe (504), so that scanning head scanning inspection in the case where no calibrated bolck, air dielectric layer
The detection data obtained during surveying is the detection data in the case of calibrated bolck, as accurate data.
10. a kind of non-metal board calibrator error-detecting calibration method according to claim 7, it is characterised in that: described
Scanning plate (302) using nonmetallic, the reinforcing bar is metal.
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Cited By (1)
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| CN112161570A (en) * | 2020-09-30 | 2021-01-01 | 安徽赛安安全设备有限责任公司 | I-shaped pipe fitting detection mechanism based on photoelectric sensing |
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| CN110274563B (en) | 2024-04-05 |
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