CN104889177B - A kind of defectoscope system safety protection method - Google Patents
A kind of defectoscope system safety protection method Download PDFInfo
- Publication number
- CN104889177B CN104889177B CN201410079268.9A CN201410079268A CN104889177B CN 104889177 B CN104889177 B CN 104889177B CN 201410079268 A CN201410079268 A CN 201410079268A CN 104889177 B CN104889177 B CN 104889177B
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- probe
- grating
- steel plate
- defectoscope
- flaw detection
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Abstract
The present invention provides a kind of defectoscope system safety protection method, by change flaw detection location grating, use the grating of band reflector, the device that alternates coding catcher and encoder pulse amplification board, increase FC33 functional device, increasing delays time to control module and trigger in flaw detection program, the flaw detection initial stage takes time delay to lift probe；The flaw detection later stage takes 2 seconds in advance to trigger, and increases position safety interlocking and show in WINCC picture；Thus realize roller-way grating and position with the roller-way that coordinates of this body grating, detect steel plate position, the start-stop of regulation electric machines for roller by the signal of grating and measurement wheel encoder, control the traveling of steel plate.The present invention can accelerate inspection speed, improves flaw detection precision, it is to avoid the accidental damage of probe, extends probe service life, reduces spare parts consumption and economic loss, it is ensured that being smoothed out of plate quality and production.
Description
Technical field
The invention belongs to automation control area, particularly relate to a kind of defectoscope security of system for hot rolled steel plate carrying out flaw detection and prevent
Maintaining method.
Background technology
At present, lower surface of steel plate detects a flaw mode that what defectoscope used by hot rolled steel plate carrying out flaw detection was commonly used is, in steel plate traveling
During easily hit, scrape defectoscope probe, cause mortal injury to defectoscope, both had a strong impact on rhythm of production, directly affected product
Quality.Steel plate enter defectoscope A car time, put in place by the probe Grating examinations steel plate of each passage, chain control each
The corresponding probe of passage lifts, and detects a flaw lower surface of steel plate, owing to the practical situation complexity of steel plate is various, such as discount,
The phenomenons such as non-crop, pop one's head in addition and are individually controlled by the cylinder of each passage and air pressure instability, the factors such as site environment is complicated,
Easily occurring that probe lifts too early or too much, popping one's head in as easy as rolling off a log is scratched by steel plate.In like manner, steel plate leave defectoscope B car terminate visit
When hindering, easily occurring falling too late or too much phenomenon, steel plate easily scratches probe.Firstly, it is necessary to rely on roller-way position control and
Grating coordinates location to control steel plate traveling, grating position before location and defectoscope, walks to walk to defectoscope body and visit after assigning flaw detection order
On Tou, body Grating examinations to steel plate, probe lifts, direct contact steel plate following table, carries out steel plate inspection, leaves to afterbody
This body grating, probe declines, and completes flaw detection, if grating coordinates not in place with roller-way during whole flaw detection, causes location not
Standard, sends lifting order in advance, and steel plate will directly hit on probe, causes tip damage；If location is inaccurate, grating is believed
Number mistake, probe declines in advance, then it would appear that leakage inquisition topic, not only directly affect product quality, and also can defectoscope
Cause mortal injury, have a strong impact on being smoothed out of production.
Summary of the invention
It is desirable to provide one can increase substantially flaw detection precision, it is to avoid protection tip damage, extend service life of popping one's head in,
Make the defectoscope system safety protection method of flaw detection process more fast and stable.
To this end, the solution that the present invention is taked is:
A kind of defectoscope system safety protection method, the lifting time of probe during being detected a flaw by adjustment, it is achieved roller-way grating with
The cooperation roller-way location of this body grating, detects steel plate position by the signal of grating and measurement wheel encoder, regulates electric machines for roller
Start-stop, control steel plate traveling.
1, control the hoisting time of probe cylinder, change flaw detection location grating by adjusting defectoscope system pressure, use band reflective
The grating of plate and two groups of limit for height gratings.
2, the device that alternates coding is taken over, and uses the coder catcher with fixed screw mouth, makes encoder coordinate closely with measuring wheel；
Electric Appliance Cabinet in the middle of encoder line receiver end with enumerator receiving terminal increases encoder pulse amplification board, to obtain stable standard
True pulse signal, increases the internal functional device having and converting character simultaneously, pulse signal numerical value is converted into concrete length value, connects
Receipts process the signal of amplification board, and the numerical value calculated with roller-way converter is compared, it is judged that whether encoder exists the phenomenon that throws switch.
3, in defectoscope program, increase delays time to control module and trigger, control the lifting opportunity of defectoscope probe: detect a flaw the initial stage,
After time delay 2 seconds, make steel plate pass by after 200mm and lift probe again；In the flaw detection later stage, control module shifts to an earlier date triggering in 2 seconds, makes steel plate
In advance probe is fallen when going at afterbody 200mm.
4, in WINCC picture, increase position safety interlocking to show, it is achieved defectoscope security bit, working position and walk line position each
The display of position, and increase the interlocking of each position, chain, prevent probe from causing because of misoperation and break.
5, increasing Pneumatic pressure to control, increase Pressure gauge in probe lifts pneumatic manifold road, accurately regulation probe cylinder is lifted
Play pressure, control to be lifted by cylinder the steel billet temperature of probe, carry out high temperature alarm；Increase and measure wheel surface blow device, will
Compressed air is caused measurement wheel surface by a road copper pipe and carries out purging dedusting, it is ensured that measures wheel and contacts effect with surface of steel plate.
The invention have the benefit that
The present invention can accelerate inspection speed, increases substantially flaw detection precision, makes the flaw detection process more safety and stability of defectoscope.With
Time, can improve probe use safety, it is to avoid the accidental damage of probe, extend probe service life, reduce spare parts consumption and
Economic loss, it is ensured that being smoothed out of plate quality and production.
Detailed description of the invention
Defectoscope system safety protection method of the present invention, the lifting time of probe during mainly being detected a flaw by adjustment, it is achieved roller
Road grating positions with the roller-way that coordinates of this body grating, detects steel plate position by the signal of grating and measurement wheel encoder, regulation
The start-stop of electric machines for roller, controls the traveling of steel plate.Its method particularly includes:
1, adjust system pressure, control probe cylinder hoisting time, make probe hoisting time be risen by original 1 second and change to 2
Second rises, it is ensured that lifting speeds is the most too fast, to reduce the too fast impact to probe of cylinder rise, reduces the abrasion popped one's head in, and
Keep original non-destructive testing standard, do not leak spy, change flaw detection location grating, original diffuse-reflectance grating change to the light of band reflector
Grid, reduce and are affected Grating examinations by special environment (water, gas) and then affect the roller-way location to steel plate to be checked, eliminate because of roller-way
Location is inaccurate, and the shock of equipment is injured by steel plate.One group of limit for height grating (being originally a group, be now two groups) of many increases, more can ensure that
The bent excessive steel plate of wooden dipper can not pass through, and reduces the injury to equipment such as probes.
2, the device that alternates coding is taken over, and original design catcher relies on and realizes mechanical measurement wheel and coding with the encoder tight-lipped close fit of rotation
Device rotates synchronization, and easily occurring in work on the spot closely cooperating makes coding can not realize Tong Bu with measuring wheel and throw switch, after
Making new encoder connects, and adds fixed screw mouth, by screw regular coding device, makes encoder and does not loses with measuring wheel and closely cooperating
Turn, make encoder coordinate closely with measuring wheel；Simultaneously in the Electric Appliance Cabinet in the middle of encoder line receiver end with enumerator receiving terminal
Increase encoder pulse amplification board, to obtain stable and accurate pulse signal, increase the functional device of FC33(serial number 33 simultaneously,
There is the functional device converting character inside, and pulse signal numerical value is converted into concrete length value) functional device, reception processes amplification board
Signal, and with roller-way converter calculate numerical value be compared, it is judged that whether encoder exists the phenomenon that throws switch, and makes counter works
More stable accurate, roller-way location is more accurate.
3, in defectoscope program, increase delays time to control module and trigger, control the lifting opportunity of defectoscope probe: detect a flaw the initial stage,
After time delay 2 seconds, make steel plate pass by after 200mm and lift probe again, by steel plate traveling computational length, reduce the abrasion of probe；
In the flaw detection later stage, control module shifts to an earlier date triggering in 2 seconds, makes steel plate be fallen by probe in advance when going at afterbody 200mm, to reduce
The abrasion of probe.
4, in WINCC picture, increase position safety interlocking to show, it is achieved defectoscope security bit, working position and walk line position each
The display of position, and increase the interlocking of each position, chain, prevent probe from causing because of misoperation and break.
5, increasing Pneumatic pressure to control, increase Pressure gauge in probe lifts pneumatic manifold road, accurately regulation probe cylinder is lifted
Play pressure, control to be lifted by cylinder the steel billet temperature of probe, carry out high temperature alarm；Increase and measure wheel surface blow device, will
Compressed air is caused measurement wheel surface by a road copper pipe and carries out purging dedusting, it is ensured that measures wheel and contacts effect with surface of steel plate.
Claims (1)
1. a defectoscope system safety protection method, it is characterised in that pop one's head in during being detected a flaw by adjustment
Lifting time, it is achieved roller-way grating positions with the roller-way that coordinates of this body grating, by roller-way grating and measurement
The signal of wheel encoder detects steel plate position, the start-stop of regulation electric machines for roller, controls the traveling of steel plate；
(1), by adjusting the hoisting time of defectoscope system pressure control probe cylinder, change flaw detection location
Grating, uses the grating of band reflector, uses two groups of limit for height gratings；
(2), the device that alternates coding catcher, use and there is the coder catcher of fixed screw mouth, make encoder with
Measure wheel to coordinate closely；Electric Appliance Cabinet in the middle of encoder line receiver end with enumerator receiving terminal increases and compiles
Code device pulse amplifying plate, to obtain stable and accurate pulse signal, increases the internal merit having and converting character simultaneously
Energy block, is converted into concrete length value by pulse signal numerical value, and reception processes the signal of amplification board, and and roller-way
The numerical value that converter calculates is compared, it is judged that whether encoder exists the phenomenon that throws switch；
(3), in defectoscope program, increase delays time to control module and trigger, control the liter of defectoscope probe
On fall opportunity: flaw detection initial stage, after time delay 2 seconds, make steel plate pass by after 200mm and lift probe again；The flaw detection later stage,
Control module shifts to an earlier date triggering in 2 seconds, makes steel plate be fallen by probe in advance when going at afterbody 200mm；
(4), in WINCC picture, increase position safety interlocking to show, it is achieved defectoscope is in security bit, work
Make position and walk the display of each position of line position, and increasing the interlocking of each position, chain, preventing from popping one's head in because of by mistake
Action and cause and break；
(5), increase Pneumatic pressure control, in probe lifts pneumatic manifold road, increase Pressure gauge, essence
Really regulation probe cylinder lifts pressure, controls to be lifted by cylinder the steel billet temperature of probe, carries out high temperature alarm；
Increase and measure wheel surface blow device, compressed air is caused measurement wheel surface by a road copper pipe and carries out purging and remove
Dirt, it is ensured that measure wheel and contact effect with surface of steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079268.9A CN104889177B (en) | 2014-03-05 | 2014-03-05 | A kind of defectoscope system safety protection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079268.9A CN104889177B (en) | 2014-03-05 | 2014-03-05 | A kind of defectoscope system safety protection method |
Publications (2)
| Publication Number | Publication Date |
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| CN104889177A CN104889177A (en) | 2015-09-09 |
| CN104889177B true CN104889177B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410079268.9A Active CN104889177B (en) | 2014-03-05 | 2014-03-05 | A kind of defectoscope system safety protection method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425362Y (en) * | 2000-04-07 | 2001-03-28 | 徐章遂 | Flaw magnetic-leakage detector |
| CN1743869A (en) * | 2004-09-01 | 2006-03-08 | 崔志国 | Ultrasonic detecting device and its detecting method |
| CN1828285A (en) * | 2006-04-10 | 2006-09-06 | 朱彤 | Rail-defect detector and rail defect detecting system employing same |
| CN201104242Y (en) * | 2007-09-26 | 2008-08-20 | 广东汕头超声电子股份有限公司 | Moving distance measuring device of improved rail-defect detector |
| CN101482541B (en) * | 2008-01-10 | 2011-01-19 | 宝山钢铁股份有限公司 | Anti-collision method of fault detection frame for straight welded pipe fault detection |
| JP2012117825A (en) * | 2010-11-29 | 2012-06-21 | Hitachi-Ge Nuclear Energy Ltd | Ultrasonic sensor and ultrasonic flaw detection device |
-
2014
- 2014-03-05 CN CN201410079268.9A patent/CN104889177B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425362Y (en) * | 2000-04-07 | 2001-03-28 | 徐章遂 | Flaw magnetic-leakage detector |
| CN1743869A (en) * | 2004-09-01 | 2006-03-08 | 崔志国 | Ultrasonic detecting device and its detecting method |
| CN1828285A (en) * | 2006-04-10 | 2006-09-06 | 朱彤 | Rail-defect detector and rail defect detecting system employing same |
| CN201104242Y (en) * | 2007-09-26 | 2008-08-20 | 广东汕头超声电子股份有限公司 | Moving distance measuring device of improved rail-defect detector |
| CN101482541B (en) * | 2008-01-10 | 2011-01-19 | 宝山钢铁股份有限公司 | Anti-collision method of fault detection frame for straight welded pipe fault detection |
| JP2012117825A (en) * | 2010-11-29 | 2012-06-21 | Hitachi-Ge Nuclear Energy Ltd | Ultrasonic sensor and ultrasonic flaw detection device |
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| Publication number | Publication date |
|---|---|
| CN104889177A (en) | 2015-09-09 |
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