CN205941454U - Automatic detection apparatus for boiler water wall warm oneself in front of a fire side annular crack - Google Patents
Automatic detection apparatus for boiler water wall warm oneself in front of a fire side annular crack Download PDFInfo
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- CN205941454U CN205941454U CN201620711430.9U CN201620711430U CN205941454U CN 205941454 U CN205941454 U CN 205941454U CN 201620711430 U CN201620711430 U CN 201620711430U CN 205941454 U CN205941454 U CN 205941454U
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- 238000001514 detection method Methods 0.000 title claims abstract description 158
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Abstract
The utility model discloses an automatic detection apparatus for boiler water wall warm oneself in front of a fire side annular crack, including first, the second detects the dolly, the front end that the second detected the dolly articulates the rear end at first detection dolly, install the electro -magnet cover in the wheel, each detects and is provided with its turning wheels's servo motor and control scheme board of drive in the dolly, the electronic wheel of polishing is installed to the bottom of first detection dolly, the bottom of second detection dolly is installed and is used for the vortex probe of detection ring to the crackle, can in time warm oneself in front of a fire to incline to boiler water wall through the inspection dolly and carry out the annular crack detection, check the judgement through the industrial camera head, need not to set up any removal or fixed testing platform, clearance in time influences the burnt layer of ash of detection on the surface attached to the pipe, the dust fall atomising head is provided with, the detection ring border can be improves, what be provided with annular crack checks the inspection function. This automatic checkout device uses nimble conveniently, detects fastly, and the time limit for a project weak point has good application prospect.
Description
Technical field
This utility model is related to crack detection technical field and in particular to a kind of boiler water wall is to fiery side circumferential crack
Automatic detection device.
Background technology
In order to meet national requirements for environmental protection, under the conditions of low nitrogen burning, easily ring to fiery side to electricity generation boiler in water-cooling wall
Corrosion fatigue crack, it has also become the major hidden danger of the safe and stable operation of current impact boiler, therefore, currently to boiler water wall
It is very necessary for carrying out periodic detection and maintenance.At present only in the scheduled overhaul more than 20 days for the maintenance duration, just having can
Integral lifting platform can be set up or full burner hearth scaffold is checked in boiler furnace, detection methods are also generally macroscopical and few
The magnetic powder inspection selective examination of part ad-hoc location, magnetic powder inspection is higher to detection surface requirements, and Real Time Observation must sentence wound, detection
Speed is slow, therefore can not possibly be detected on a large scale.And ad hoc inspection and repair or mediate because the duration shorter, typically have little time to set up full stove
Thorax foot handss or hoistable platform, the chance even more not checked.In order to find such defect in time, reasonable arrangement overhauls, and is badly in need of one
Plant check device, be independent of setting up full burner hearth inspection platform, the optional position that can independently reach water-cooling wall is used for quickly detecting.
Utility model content
The purpose of this utility model is to overcome existing detection technique that boiler water wall is carried out to fiery side circumferential crack
Detection is required to set up the fixing scaffold of full burner hearth or lift maintaining platform, and the time between overhauls(TBO) is long, and detection speed is slow, easy missing inspection
Problem.Boiler water wall of the present utility model, to the automatic detection device of fiery side circumferential crack, can pass through to check dolly in time
To fiery side, circumferential crack detection is carried out to boiler water wall, checks that dolly voluntarily can check each position, foot rest need not be set up, inspection
Look into conveniently, automatic decision circumferential crack, and it is provided with electric grinding wheel, the grey focus layer being attached on water screen tube surface is carried out
Cleaning, improves accuracy of detection, is provided with depositing dust fog-spray nozzle in polishing, and, it is provided with two detection dollies, be separately installed with
Electric grinding wheel, eddy current probe, both avoid interfering, and avoid single car body long again, are beneficial to probe and electric grinding wheel
With the clearance control of water screen tube, so that car body varied angle is climbed, turn round, turn around convenient, can easily realize cover need
Detect all of presumptive area, prevent missing inspection, detection cycle is short, high precision, high degree of automation, before there is good application
Scape.
In order to achieve the above object, this utility model be employed technical scheme comprise that：
A kind of boiler water wall to the automatic detection device of fiery side circumferential crack it is characterised in that：Little including the first detection
Car, the second detection dolly, the front end of described second detection dolly is hinged on the rear end of the first detection dolly, each bottom detecting dolly
Portion corner is mounted on wheel, is provided with electromagnet sleeve in described wheel, and described electromagnet sleeve is used for corresponding detection dolly
Vertically adsorb on boiler water wall is to fiery side wall, respectively detect that little in-car is provided with the servomotor driving its vehicle wheel rotation
And control circuit board, the bottom of described first detection dolly is provided with electric grinding wheel, and described electric grinding wheel is used for removing attached
On water screen tube surface the grey focus layer of impact detection, described second detects that the bottom of dolly is provided with for detecting that ring splits
The eddy current probe of stricture of vagina, described eddy current probe, the 1/4 arc length phase all with water screen tube outer wall girth for the edge bottom of electric grinding wheel
It coincide,
The leading section of described first detection dolly is provided with a CCD industry camera, after described second detection dolly
End is provided with the 2nd CCD industry camera, and a described CCD industry camera, the 2nd CCD industry camera all tilt to set
Put, for shooting boiler water wall to fiery side wall,
The little in-car servomotor of described first detection, electric grinding wheel, a CCD industry camera respectively with its inside
Control circuit board be connected, the little in-car servomotor of described second detection, eddy current probe, the 2nd CCD industry camera are divided
Not internal with it control circuit board is connected, and each control circuit board detecting little in-car is all by installing on its control circuit board
Wireless communication module be wirelessly connected with detection terminal.
A kind of aforesaid boiler water wall to the automatic detection device of fiery side circumferential crack it is characterised in that：Each detection is little
The upper surface of car is provided with is easy to handle that is hand-held and fastening safety rope.
A kind of aforesaid boiler water wall to the automatic detection device of fiery side circumferential crack it is characterised in that：Described electronic
The bottom of the first detection dolly on front side of grinding wheel is additionally provided with the fog-spray nozzle for dedusting.
A kind of aforesaid boiler water wall to the automatic detection device of fiery side circumferential crack it is characterised in that：Described first
The leading section of detection dolly, the rearward end of the second detection dolly are provided with the LED for illumination, described LED position respectively
In a CCD industry camera, the top of the 2nd CCD industry camera or side, the front end position of described first detection dolly
Above LED, place is additionally provided with alarming horn.
A kind of aforesaid boiler water wall to the automatic detection device of fiery side circumferential crack it is characterised in that：Described vortex
The circumferential crack popped one's head in for detecting 0.5mm and above depth.
A kind of aforesaid boiler water wall to the automatic detection device of fiery side circumferential crack it is characterised in that：Described wireless
Communication module is wireless GPRS communication module.
A kind of aforesaid boiler water wall to the automatic detection device of fiery side circumferential crack it is characterised in that：Each detection is little
The forward motion force that servomotor on car provides is that on each detection dolly, all electromagnet sleeves adsorb boiler water walls to fiery side wall
More than the twice of frictional force produced by face and twice.
The beneficial effects of the utility model are：Boiler water wall of the present utility model is to the automatic detection of fiery side circumferential crack
Device, can carry out circumferential crack detection to boiler water wall to fiery side by checking dolly in time, check that dolly can be voluntarily
Check each position, need not set up foot rest, it is convenient to check, automatic decision circumferential crack, and is provided with electric grinding wheel, to being attached to
Grey focus layer on water screen tube surface is cleared up, and improves accuracy of detection, is provided with depositing dust fog-spray nozzle in polishing, and, if
It is equipped with two detection dollies, is separately installed with electric grinding wheel, eddy current probe, be easy to turn round, realizing covering needs detection all
Presumptive area, prevent missing inspection, detection cycle is short, high precision, high degree of automation has a good application prospect.
Brief description
Fig. 1 is the structural representation of the automatic detection device to fiery side circumferential crack for the boiler water wall of the present utility model.
In accompanying drawing, the implication of labelling is as follows：
1：First detection dolly；2：Wheel；3：Electromagnet sleeve；4：Eddy current probe；5：Electric grinding wheel；6：Handle；7：Spray
Mist head；8：LED；9：Boiler water wall is to fiery side；10：First CCD industry camera；11：2nd CCD industry camera；12：
Alarming horn；13：Second detection dolly.
Specific embodiment
Below in conjunction with Figure of description, this utility model is further described.
As shown in figure 1, boiler water wall of the present utility model is to the automatic detection device of fiery side circumferential crack, including first
Detection dolly 1, second detection dolly 13, the front end of described second detection dolly 13 is hinged on the rear end of the first detection dolly 1, can
Connected by hinge or rope or other bent connectors, the bottom corner of each detection dolly is mounted on wheel 2,
Electromagnet sleeve 3 is installed in described wheel 2, described electromagnet sleeve 3 is used for adsorbing corresponding detection cart vertical in boiler water
Cold wall, on the wall of fiery side 9, respectively detects that little in-car is provided with the servomotor of wheel 2 rotation driving it and control circuit board,
The bottom of described first detection dolly 1 is provided with electric grinding wheel 5, and described electric grinding wheel 5 is attached to water-cooling wall for removing
The grey focus layer of impact detection in pipe surface, the bottom of described second detection dolly 13 is provided with the vortex for detecting circumferential crack
Probe 4, described eddy current probe 4, the edge bottom of electric grinding wheel 5 are all matched with 1/4 arc length of water screen tube outer wall girth,
The leading section of described first detection dolly 1 is provided with a CCD industry camera 10, described second detection dolly 13
Rearward end be provided with the 2nd CCD industry camera 11, a described CCD industry camera 10, the 2nd CCD industry camera 11
All it is obliquely installed, for shooting boiler water wall to fiery side 9 wall,
Described first detection dolly 1 in servomotor, electric grinding wheel 5, a CCD industry camera 10 respectively with its
Internal control circuit board is connected, and the servomotor in described second detection dolly 13, eddy current probe 4, the 2nd CCD industry are taken the photograph
As 11 control circuit board internal with it respectively is connected, each control circuit board detecting little in-car is all by installing its control
Wireless communication module on wiring board is wirelessly connected with detection terminal.
Can respectively detect that dolly moves on boiler water wall is to fiery side 9 by Remote, the direction of arrow in Fig. 1 moves
Direction, and realize the long-range recording detection data of detection terminal, maintenance process is carried out according to detection data, on each circuit panel
Wireless communication module may be selected wireless GPRS communication module, and low in energy consumption, long transmission distance is easy to use.
The upper surface of each detection dolly is provided with is easy to handle 6 that is hand-held and being safety rope, be easy to hand-held carry, and convenient
Fasten the safety rope preventing dolly from surprisingly coming off from wall.
The bottom of the first detection dolly 1 of described electric grinding wheel 5 front side is additionally provided with the fog-spray nozzle 7 for dedusting, spraying
7 are used for, when starting electric grinding wheel 5, opening fog-spray nozzle 7 and carrying out dedusting depositing dust, improve the building ring of boiler water wall detection
The quality in border.
The leading section of described first detection dolly 1, the rearward end of the second detection dolly 13 are provided with the LED for illumination
Lamp 8, LED 8 is located at a CCD industry camera 10, the top of the 2nd CCD industry camera 11 or side, the first inspection respectively
The leading section surveying dolly 1 is additionally provided with alarming horn 12 at LED 8 top, after LED 8 is opened, improves a CCD work
Industry photographic head 10, the shooting image of the 2nd CCD industry camera 11 or video quality, improve the degree of accuracy of detection, alarming horn
12, when image judges to judge inconsistent with eddy current probe 4, alarming horn 12 output is reported to the police, and reminds human assistance to judge, entirely
Process, operates substantially without artificial, high degree of automation, easy to use..
Described eddy current probe 4 is used for detecting 0.5mm and the circumferential crack of above depth, Detection results are good.
Based on the detection method of the automatic detection device to fiery side circumferential crack for the above-mentioned boiler water wall, walk including following
Suddenly,
Step（A）, the first detection dolly 1, second detection dolly 13 is adsorbed onto pot by the wheel 2 with electromagnet sleeve
Stove water-cooling wall, on the wall of fiery side, opens each detection dolly, and remote control first, second detects dolly（Can remote control simultaneously, can also only control
System the first detection dolly）, allow it independently to move on boiler water wall is to fiery side wall；Open on the first detection dolly 1 simultaneously
LED 8 and a CCD industry camera 10, shoot advance way in boiler water wall to fiery side surface situation；
Step（B）, according to testing staff set start check position, detection dolly voluntarily climb to setting start check
Position, according to video image analysis, after personnel confirm after testing, carries out detection coordinates positioning, and the setting lower left corner is zero,
Open the eddy current probe 4 on the second detection dolly 13, circumferential crack detection is proceeded by with translational speed set in advance, in advance
The translational speed setting is easy to detection process circumferential crack as 50～150mm/s, this speed；
Step（C）, by a CCD industry camera 10 to the boiler water-cooled in front of the first detection dolly 1 driving path
Wall is shot to fiery side image, after its internal control circuit board is processed, judges on the first detection dolly 1 driving path
Boiler water wall whether there is the grey focus layer of impact detection to fiery side, if there is the grey focus layer of impact detection, execution step D；
If there is not the grey focus layer of impact detection, continuing to move ahead, being detected by the eddy current probe 4 being arranged on the second detection dolly 13
Boiler water wall whether there is circumferential crack to fiery side, and when eddy current probe 4 detects questionable signal, remote control second detects dolly
13 retrogressings, and open electric grinding wheel 5 on the first detection dolly 1 and remove boiler water wall to the grey focus layer on fiery side, simultaneously
Open fog-spray nozzle 7 and carry out atomizing de-dusting, when there is circumferential crack if not, it is little to the second detection that eddy current probe 4 produces eddy current signal
Control circuit board in car 13, after this control circuit board is processed, the coordinate of record current location, and execution step（E）；
Step（D）If there is the grey focus layer of impact detection, the electric grinding wheel 5 opened on the first detection dolly 1 removes pot
Stove water-cooling wall, to the grey focus layer on fiery side, is opened fog-spray nozzle 7 simultaneously and is carried out atomizing de-dusting, continue to move ahead, little by the second detection
Eddy current probe 4 detection on car 13 whether there is circumferential crack except the boiler water wall after dedusting focus layer to fiery side, when vortex is visited
4 when detecting circumferential crack signal, and eddy current probe 4 produces eddy current signal and detects control circuit board in dolly 13 to second,
After this control circuit board is processed, the coordinate of record current location, and execution step（E）；
Step（E）, by the 2nd CCD industry camera 11 on the second detection dolly 13, first detection dolly 1 is travelled
The boiler water wall at path rear is shot to fiery side image, by the second detection dolly 13 upper control line road plate Treatment Analysis
Whether there is circumferential crack, if existing, by the coordinate of the current location of record, by wireless communication module thereon on this image
It is sent to detection terminal；If not existing, warning output, carry out artificial judgment, if artificial judgment exists, wireless by thereon
Communication module is sent to detection terminal；Conversely, the coordinate of the current location of deletion record, continue to move to the first detection dolly 1 and enter
Row boiler water wall is to fiery side ring to crack detection；
Step（F）, remote control first detection dolly 1 in boiler water wall to fiery side shifting, repeat step (C)-step (E),
Complete the circumferential crack detection to fiery side for the boiler water wall to presumptive area, Maintenance of Boiler personnel received by detection terminal
The position coordinateses of circumferential crack occur, checks further and confirm and maintenance process.
Need when reaching presumptive area edge to turn round, the front end of the second detection dolly 13 is hinged on the first detection dolly 1
Rear end, the first detection dolly 1 drives the second detection dolly 13 mobile, is easy to turn round, realize covering need to detect all of pre-
Determine region.
The forward motion force that the servomotor of each detection dolly provides is more than all electromagnet sleeves 3 absorption pot of each detection dolly
Stove water-cooling wall is realized to frictional force produced by fiery side, power larger servomotor may be selected here it is ensured that what it provided
Forward motion force is that all electromagnet sleeves 3 adsorb boiler water walls to more than the twice of frictional force produced by fiery side and twice, just
In the light movement controlling detection dolly.
In sum, boiler water wall of the present utility model, can be timely to the automatic detection device of fiery side circumferential crack
By checking dolly, to fiery side, circumferential crack detection is carried out to boiler water wall, check that dolly can voluntarily check each position, no
Foot rest need to be set up, it is convenient to check, automatic decision circumferential crack, and is provided with electric grinding wheel, to being attached to water screen tube surface
On grey focus layer cleared up, improve accuracy of detection, polishing is provided with depositing dust fog-spray nozzle, and, be provided with two detections
Dolly, is separately installed with electric grinding wheel, eddy current probe, is easy to turn round, and realizing covering needs to detect all of presumptive area, prevents
Leak-stopping is examined, and detection cycle is short, high precision, and high degree of automation has a good application prospect.
Of the present utility model ultimate principle, principal character and advantage have been shown and described above.The technical staff of the industry
It should be appreciated that this utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally
The principle of utility model, on the premise of without departing from this utility model spirit and scope, this utility model also has various change
And improvement, these changes and improvements both fall within the range of claimed this utility model.This utility model claims scope
By appending claims and its equivalent thereof.
Claims (7)
1. a kind of boiler water wall to the automatic detection device of fiery side circumferential crack it is characterised in that：Including the first detection dolly
（1）, second detection dolly（13）, described second detection dolly（13）Front end be hinged on the first detection dolly（1）Rear end, respectively
The bottom corner of detection dolly is mounted on wheel（2）, described wheel（2）Electromagnet sleeve is inside installed（3）, described electromagnet sleeve
（3）For adsorbing in boiler water wall corresponding detection cart vertical to fiery side wall, respectively detect that little in-car is provided with drive
Move its wheel（2）The servomotor rotating and control circuit board, described first detection dolly（1）Bottom electronic beating is installed
Emery wheel（5）, described electric grinding wheel（5）For removing the grey focus layer being attached on water screen tube surface impact detection, described the
Two detection dollies（13）Bottom the eddy current probe for detecting circumferential crack is installed（4）, described eddy current probe（4）, electronic
Grinding wheel（5）Edge bottom all match with 1/4 arc length of water screen tube outer wall girth,
Described first detection dolly（1）Leading section be provided with a CCD industry camera（10）, described second detection dolly
（13）Rearward end be provided with the 2nd CCD industry camera（11）, a described CCD industry camera（10）, the 2nd CCD industry
Photographic head（11）All it is obliquely installed, for shooting boiler water wall to fiery side wall,
Described first detection dolly（1）Interior servomotor, electric grinding wheel（5）, a CCD industry camera（10）Respectively with
Its internal control circuit board is connected, described second detection dolly（13）Interior servomotor, eddy current probe（4）, the 2nd CCD
Industry camera（11）The control circuit board internal with it is connected respectively, and each control circuit board detecting little in-car is all by peace
The wireless communication module filling on its control circuit board is wirelessly connected with detection terminal.
2. to the automatic detection device of fiery side circumferential crack, its feature exists a kind of boiler water wall according to claim 1
In：The upper surface of each detection dolly is provided with is easy to handle that is hand-held and fastening safety rope（6）.
3. according to a kind of boiler water wall described in claim 1 to the automatic detection device of fiery side circumferential crack it is characterised in that：
Described electric grinding wheel（5）First detection dolly of front side（1）Bottom be additionally provided with the fog-spray nozzle for dedusting（7）.
4. to the automatic detection device of fiery side circumferential crack, its feature exists a kind of boiler water wall according to claim 1
In：Described first detection dolly（1）Leading section, second detection dolly（13）Rearward end be provided with for illumination LED
Lamp（8）, described LED（8）It is located at a CCD industry camera respectively（10）, the 2nd CCD industry camera（11）Top or
Side, described first detection dolly（1）Leading section be located at LED（8）It is additionally provided with alarming horn at top（12）.
5. to the automatic detection device of fiery side circumferential crack, its feature exists a kind of boiler water wall according to claim 1
In：Described eddy current probe（4）For detecting the circumferential crack of 0.5mm and above depth.
6. to the automatic detection device of fiery side circumferential crack, its feature exists a kind of boiler water wall according to claim 1
In：Described wireless communication module is wireless GPRS communication module.
7. to the automatic detection device of fiery side circumferential crack, its feature exists a kind of boiler water wall according to claim 1
In：The forward motion force that servomotor on each detection dolly provides is all electromagnet sleeves on each detection dolly（3）Absorption boiler
Water-cooling wall is to more than the twice of frictional force produced by the wall of fiery side and twice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620711430.9U CN205941454U (en) | 2016-07-07 | 2016-07-07 | Automatic detection apparatus for boiler water wall warm oneself in front of a fire side annular crack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620711430.9U CN205941454U (en) | 2016-07-07 | 2016-07-07 | Automatic detection apparatus for boiler water wall warm oneself in front of a fire side annular crack |
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| Publication Number | Publication Date |
|---|---|
| CN205941454U true CN205941454U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620711430.9U Active CN205941454U (en) | 2016-07-07 | 2016-07-07 | Automatic detection apparatus for boiler water wall warm oneself in front of a fire side annular crack |
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| CN (1) | CN205941454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977768A (en) * | 2020-01-03 | 2020-04-10 | 李光植 | Remote control workbench for inspection and detection |
-
2016
- 2016-07-07 CN CN201620711430.9U patent/CN205941454U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977768A (en) * | 2020-01-03 | 2020-04-10 | 李光植 | Remote control workbench for inspection and detection |
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