CN106624417A - Detecting method for appearance quality of welding seam inside U-shaped rib - Google Patents
Detecting method for appearance quality of welding seam inside U-shaped rib Download PDFInfo
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- CN106624417A CN106624417A CN201610913189.2A CN201610913189A CN106624417A CN 106624417 A CN106624417 A CN 106624417A CN 201610913189 A CN201610913189 A CN 201610913189A CN 106624417 A CN106624417 A CN 106624417A
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- welding
- weld
- ribs
- detection method
- appearance quality
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
- B23K31/125—Weld quality monitoring
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- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Mechanical Engineering (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention provides a detecting method for appearance quality of a welding seam inside a U-shaped rib, and the welding seam inside the U-shaped rib is an angular welding seam inside a web of the U-shaped rib. The detecting method comprises the following steps of: mounting image display equipment above a welding starting side of the welding seam inside the U-shaped rib; mounting image acquisition equipment used for monitoring a welding tool; and contrasting the image acquisition equipment with image display equipment, regulating acquisition parameters of the image acquisition equipment of the welding tool for clearly displaying welding seam defects with detecting precision being 0.1 mm. The detecting method solves the problem that appearance quality of a closed welding seam cannot be reliably detected due to the fact that the inside of the U-shaped rib cannot be manually reached in the prior art, and realizes appearance quality measurability of the welding seam inside the U-shaped rib.
Description
Technical field
The invention belongs to face of weld quality testing field, more particularly to a kind of U ribs weld joint on inner side appearance quality detection side
Method.
Background technology
Angle welding is welded on the inside of U ribs in prior art in bridge floor orthotropic Slab element, i.e., is welded using in U ribs, U ribs
Interior welds are realized in small bore, semiclosed, long range regional stability welding.But interior welding line appearance quality detection is subject to
Bulk is limited, and traditional appearance detection welding inspection rule or magnetic powder detector can only detect two ends U rib hand hole area
Domain 300mm, remaining region cannot be detected using existing equipment.Cannot be accurate if using industrial television video monitoring
Reliable estimation weld defect.
The content of the invention
For drawbacks described above of the prior art, present invention is primarily targeted at providing a kind of U ribs weld joint on inner side outward appearance
Quality determining method, solves in prior art because U ribs inner side manually cannot reach and caused closed weld outward appearance matter
The problem that amount can not be detected reliably, realizes welding line presentation quality measurability in U ribs.
In order to solve drawbacks described above, the present invention is adopted the following technical scheme that：A kind of U ribs weld joint on inner side appearance quality detection side
Method, the U ribs weld joint on inner side is the angle welding on the inside of U rib webs, and the detection method comprises the steps：
Image display is installed above the welding origination side of U rib weld joint on inner side；
Image capture device for monitoring welding tooling is installed；
Control image display, adjusts the acquisition parameter of the image capture device of the welding tooling, for clear
Show the weld defect of 0.1mm accuracy of detection.
Used as further preferably, described image display device is pixel meter, and described image collecting device is camera.
As it is further preferably, the acquisition parameter include angle, resolution ratio and with monitored welding tooling it
Between distance.
As further, preferably, the detection method also includes：Welding line outward appearance required precision in control, sets defect
Standard, during image shows, for excessive defect position carries out real-time identification mark.
As further preferred, when the weld seam has the excessive defect, entered according to defect kind and the order of severity
Row Repair.
As further, preferably, the detection method also includes：According to welding parameter setting, weld deposit efficiency, weldering
Method and actually detected data are connect, fillet weld size line is shown on U ribs, floorings respectively, is easy to differentiate that weld seam filling outward appearance is
It is no to meet design requirement.
Used as further preferably, the leg design size of welding line is 5-8mm in the U ribs.
Used as further preferably, the leg design size of welding line is 6mm in the U ribs.
Used as further preferably, the welding tooling is welding tractor and welding gun.
As further, preferably, the detection method also includes：Setting axis of a weld and weld width line, are easy to weldering
Rifle pose adjustment.
As further, preferably, the detection method also includes：According to preferable fillet weld size, formed in welding posture
When axis of a weld is misaligned with preferable axis of a weld, posture of welding torch is adjusted.
As further, preferably, the detection method also includes：In corresponding leg area identification weld seam horizontal line, this
Sample intuitively can be shown to the weld seam in exceeded region with image.
As it is further preferably, the weld defect include crackle, solder skip, be partially welded, weld size is not enough, pore and weldering
Knurl.
The invention has the beneficial effects as follows：
(1) present invention installs image display above the welding origination side of U rib weld joint on inner side, carries out in welding equipment
Before formal welding, compare the parameter such as definition of weldering monitoring image collecting device in image display adjustment, the present invention for
The surface defect of weld defect rank 0.1mm can be told, and solve in prior art because U ribs inner side manually cannot reach
And the problem that caused closed weld presentation quality can not be detected reliably, realize welding line presentation quality measurability in U ribs.
(2) welding line is corner welding line in U ribs, according to related manufacture of steel structure and acceptance criteria, such weld seam is showed
Have detection method for generally Magnetic testing, Magnetic testing can by plus magnetic assemble in critical defect cracks, thus defect
Display is found by operator, but Magnetic testing cannot cannot be removed effectively to the pollution of face of weld.Under contrast, the present invention
Free of contamination mode can be undermined using nothing efficiently carries out real-time detection to weld seam, practical.
(3) real-time monitoring by the present invention to weld seam, can increase the detectability of Welding in U ribs, improve technique and push away
Wide feasibility, increases the efficiency of interior soldering equipment itself, improves at least one times of the production efficiency of weldering in U ribs, the inspection of weld appearance
Measuring tool has trackability.
Description of the drawings
Fig. 1 is the schematic flow sheet of embodiment of the present invention U rib weld joint on inner side appearance quality detection method.
Fig. 2 is pixel meter structural representation in embodiment of the present invention U rib weld joint on inner side appearance quality detection method.
Specific embodiment
Present invention is primarily targeted at providing a kind of U ribs weld joint on inner side appearance quality detection method, existing skill is solved
The problem that caused closed weld presentation quality can not be detected reliably because U ribs inner side manually cannot reach in art.
In order to solve drawbacks described above, the main thought of the embodiment of the present invention is：
As shown in figure 1, embodiment of the present invention U rib weld joint on inner side appearance quality detection method, the U ribs weld joint on inner side is U
Angle welding on the inside of rib web, the detection comprises the steps：
S01:Image display is installed above the welding origination side of U rib weld joint on inner side；
S02:Image capture device for monitoring welding tooling is installed；
S03:Control image display, adjusts the acquisition parameter of the welding tooling image capture device, for clear
The weld defect of clear display 0.1mm accuracy of detection.
It is described to be often referred on the inside of U rib webs and floorings or the angle welding of base plate junction in U rib weld joint on inner side；Existing inspection
Survey instrument can not enter U ribs inner side mostly due to dimensional problem, and also just weld joint on inner side quality effectively cannot be detected.
Welding described in the embodiment of the present invention can select the little technique of spatter amount, or the appearance of reduction slag, with
The effect of the weld appearance Online Video monitoring being optimal.
The weld defect generally comprise crackle, solder skip, be partially welded, weld size is not enough, pore and overlap, the present invention can be clear
The accuracy of detection of clear display 0.1mm ranks, is required, according to video monitoring by the appearance quality detection of the interior welding line formulated
The special Weld Seam Repairation scheme of weldering in quality problems and defect and the U ribs drafted, for weld defect classification to multi-form and
The defect of degree is reprocessed, and is finally carried out inspection declaration according to quality requirement and is turned sequence.The interior soldering equipment efficiency of itself is increased, is improved
At least one times of the production efficiency of weldering in U ribs, and cause the detection of weld appearance that there is trackability.
In order to above and other purpose, feature and the advantage of the present invention can be become apparent, number cited below particularly is implemented
Example is illustrating U rib weld joint on inner side appearance quality detection methods of the present invention.
Embodiment 1
The U rib weld joint on inner side appearance quality detection methods of the embodiment of the present invention 1, the U ribs weld joint on inner side is in U rib webs
The angle welding of side, the detection comprises the steps：
S101:Pixel meter is installed above the welding origination side of U rib weld joint on inner side；
S102:It is respectively mounted the camera for monitoring welding gun and welding tractor；
S103:Control pixel meter, adjusts the acquisition parameter of the camera, until the ranks such as 0.1mm can clearly be shown
Weld defect；And guarantee that the detection in the welding process of whole weld seam to weld seam and monitoring can be with high-visible.
The acquisition parameter includes angle, resolution ratio and the distance between with monitored welding tooling.
The weld defect include crackle, solder skip, be partially welded, weld size is not enough, pore and overlap.
The leg design size of welding line is 5-8mm in the U ribs.
Fig. 2 is pixel meter structural representation in embodiment of the present invention U rib weld joint on inner side appearance quality detection method.
Embodiment 2
The U rib weld joint on inner side appearance quality detection methods of the embodiment of the present invention 2, the U ribs weld joint on inner side is in U rib webs
The angle welding of side, the detection comprises the steps：
S201:Pixel meter is installed above the welding origination side of U rib weld joint on inner side；
S202:It is respectively mounted the camera for monitoring welding gun and welding tractor；
S203:Control pixel meter, adjusts the acquisition parameter of the camera, until the ranks such as 0.1mm can clearly be shown
Weld defect；
S204:Welding line outward appearance required precision in control, sets defect standard, during image shows, for super
Mark defective locations carry out real-time identification mark；
S205:When the weld seam has the excessive defect, Repair is carried out according to defect kind and the order of severity.
I.e. the detection method of the embodiment of the present invention 2 can be according to the quality problems of video monitoring and defect and the U ribs drafted
Interior weldering special project Weld Seam Repairation scheme, a point weld defect classification is reprocessed to the defect of multi-form and degree, finally according to matter
Amount requirement carries out inspection declaration and turns sequence.Wherein, the weld appearance quality testing of interior welding line requires as shown in table 1 below：
Table 1
Weld defect reworking plan is as shown in table 2 below：
Table 2
Embodiment 3
The U rib weld joint on inner side appearance quality detection methods of the embodiment of the present invention 3, the U ribs weld joint on inner side is in U rib webs
The angle welding of side, the detection comprises the steps：
S301:Pixel meter is installed above the welding origination side of U rib weld joint on inner side；
S302:It is respectively mounted the camera for monitoring welding gun and welding tractor；
S303:Control pixel meter, adjusts the acquisition parameter of the camera, until the ranks such as 0.1mm can clearly be shown
Weld defect；The acquisition parameter includes angle, resolution ratio and the distance between with monitored welding tooling.
S304:According to welding parameter setting, weld deposit efficiency, welding method and actually detected data, respectively U ribs,
Fillet weld size line is shown on floorings, is easy to differentiate whether weld seam filling outward appearance meets design requirement.
S305:According to preferable fillet weld size, the axis of a weld formed in welding posture is not weighed with preferable axis of a weld
During conjunction, posture of welding torch is adjusted.The leg design size of welding line is 6mm in the U ribs.
S306:Welding line outward appearance required precision in control, sets defect standard, during image shows, for super
Mark defective locations carry out real-time identification mark；
S307:When the weld seam has the excessive defect, Repair is carried out according to defect kind and the order of severity.
Embodiment 4
The U rib weld joint on inner side appearance quality detection methods of the embodiment of the present invention 4, the U ribs weld joint on inner side is in U rib webs
The angle welding of side, the detection comprises the steps：
S401:Pixel meter is installed above the welding origination side of U rib weld joint on inner side；
S402:It is respectively mounted the camera for monitoring welding gun and welding tractor；
S403:Control pixel meter, adjusts the acquisition parameter of the camera, until the ranks such as 0.1mm can clearly be shown
Weld defect；The acquisition parameter includes angle, resolution ratio and the distance between with monitored welding tooling.
S404:According to welding parameter setting, weld deposit efficiency, welding method and actually detected data, respectively U ribs,
Fillet weld size line is shown on floorings, is easy to differentiate whether weld seam filling outward appearance meets design requirement.
S405:Setting axis of a weld and weld width line, are easy to posture of welding torch to adjust.
S406:In corresponding leg area identification weld seam horizontal line, so to the weld seam in exceeded region can intuitively with
Image shows.
S407:Welding line outward appearance required precision in control, sets defect standard, during image shows, for super
Mark defective locations carry out real-time identification mark；
S408:When the weld seam has the excessive defect, Repair is carried out according to defect kind and the order of severity.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage：
(1) present invention installs image display above the welding origination side of U rib weld joint on inner side, carries out in welding equipment
Before formal welding, compare the parameter such as definition of weldering monitoring image collecting device in image display adjustment, the present invention for
The surface defect of weld defect rank 0.1mm can be told, and solve in prior art because U ribs inner side manually cannot reach
And the problem that caused closed weld presentation quality can not be detected reliably, realize welding line presentation quality measurability in U ribs.
(2) welding line is corner welding line in U ribs, according to related manufacture of steel structure and acceptance criteria, such weld seam is showed
Have detection method for generally Magnetic testing, Magnetic testing can by plus magnetic assemble in critical defect cracks, thus defect
Display is found by operator, but Magnetic testing cannot cannot be removed effectively to the pollution of face of weld.Under contrast, the present invention
Free of contamination mode can be undermined using nothing efficiently carries out real-time detection to weld seam, practical.
(3) real-time monitoring by the present invention to weld seam, can increase the detectability of Welding in U ribs, improve technique and push away
Wide feasibility, increases the efficiency of interior soldering equipment itself, improves at least one times of the production efficiency of weldering in U ribs, the inspection of weld appearance
Measuring tool has trackability.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.Obviously, those skilled in the art can be to the present invention
Carry out various changes with modification without departing from the spirit and scope of the present invention.So, if these modifications of the present invention and modification
Belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention is also intended to exist comprising these changes and modification
It is interior.
Claims (10)
1. a kind of U ribs weld joint on inner side appearance quality detection method, it is characterised in that：The U ribs weld joint on inner side is U ribs web inner side
Angle welding, the detection method comprises the steps：
Image display is installed above the welding origination side of U rib weld joint on inner side；
Image capture device for monitoring welding tooling is installed；
Control image display, adjusts the acquisition parameter of the image capture device of the welding tooling, for clear display
The weld defect of 0.1mm accuracy of detection.
2. U ribs weld joint on inner side appearance quality detection method according to claim 1, it is characterised in that：Described image shows
Equipment is pixel meter, and described image collecting device is camera.
3. U ribs weld joint on inner side appearance quality detection method according to claim 1, it is characterised in that：The acquisition parameter
The distance between including angle, resolution ratio and with monitored welding tooling.
4. U ribs weld joint on inner side appearance quality detection method according to claim 1, it is characterised in that：The detection method
Also include：Welding line outward appearance required precision in control, sets defect standard, during image shows, for excessive defect
Position carries out real-time identification mark.
5. U ribs weld joint on inner side appearance quality detection method according to claim 4, it is characterised in that：The weld seam has
During the excessive defect, Repair is carried out according to defect kind and the order of severity.
6. U ribs weld joint on inner side appearance quality detection method according to claim 1, it is characterised in that：The detection method
Also include：According to welding parameter setting, weld deposit efficiency, welding method and actually detected data, respectively in U ribs, floorings
Upper display fillet weld size line, is easy to differentiate whether weld seam filling outward appearance meets design requirement.
7. U ribs weld joint on inner side appearance quality detection method according to claim 6, it is characterised in that：Weldering weldering in the U ribs
The leg design size of seam is 5-8mm.
8. U ribs weld joint on inner side appearance quality detection method according to claim 1, it is characterised in that：The welding tooling
For welding tractor and welding gun.
9. U ribs weld joint on inner side appearance quality detection method according to claim 8, it is characterised in that：The detection method
Also include：Setting axis of a weld and weld width line, are easy to posture of welding torch to adjust.
10. U ribs weld joint on inner side appearance quality detection method according to claim 1, it is characterised in that：The weld defect
Including crackle, solder skip, be partially welded, weld size is not enough, pore and overlap.
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Cited By (5)
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| CN108645865A (en) * | 2018-05-10 | 2018-10-12 | 中国石油天然气集团有限公司 | A kind of measurement method of the submerged-arc welding steel pipe weld seam amount of the being partially welded parameter based on CCD |
| CN108956776A (en) * | 2018-06-22 | 2018-12-07 | 中铁大桥科学研究院有限公司 | The ultrasonic phased array detection method and system of U rib full penetration fillet welding seam defect |
| CN112045327A (en) * | 2020-08-17 | 2020-12-08 | 广州市城市建设工程监理公司 | Pipeline welding method and device |
| CN112108758A (en) * | 2020-10-14 | 2020-12-22 | 天津津航计算技术研究所 | Welding visual fault detection technical method for laser welding robot |
| CN115971610A (en) * | 2023-03-21 | 2023-04-18 | 中建安装集团有限公司 | Process pipeline rail mounted removes welding set |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108645865A (en) * | 2018-05-10 | 2018-10-12 | 中国石油天然气集团有限公司 | A kind of measurement method of the submerged-arc welding steel pipe weld seam amount of the being partially welded parameter based on CCD |
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Application publication date: 20170510 |