CN202804514U - Weld joint back side forming detection device - Google Patents
Weld joint back side forming detection device Download PDFInfo
- Publication number
- CN202804514U CN202804514U CN201220501586.6U CN201220501586U CN202804514U CN 202804514 U CN202804514 U CN 202804514U CN 201220501586 U CN201220501586 U CN 201220501586U CN 202804514 U CN202804514 U CN 202804514U
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- detection device
- back side
- dolly
- weld joint
- forming detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 34
- 230000007797 corrosion Effects 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 3
- 238000012790 confirmation Methods 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 239000010935 stainless steel Substances 0.000 description 8
- 230000002950 deficient Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 230000004927 fusion Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model relates to a weld joint back side forming detection device, and belongs to the technical field of building operations. The weld joint back side forming detection device is composed of an image acquisition device and a control device which is connected with the image acquisition device through a data line, wherein the image acquisition device comprises a video capture card and a personal computer (PC) and is used for real-time observation, the control device is composed of a first trolley, a second trolley, a microspur camera, a light source and a magnet, the weld joint back side forming detection device is operated through a magnetic field and used for observation of the back sides of weld joints. The weld joint back side forming detection device is used for one-side-welding two-sided forming weld joint back side detection, welding states of welders can be mastered in real time, and problems occurring in welding technique can be found in time. Meanwhile, the weld joint back side forming detection device can also be used for side confirmation of negative film having film assessment disputes, and possibility of erroneous judgment is reduced.
Description
Technical field
The utility model relates to a kind of detection device, belongs to technical field of building construction.
Background technology
The EPR nuclear power station adopts the generation Ⅲ nuclear power building technology at present, structurally with the second generation nuclear power station a great difference is arranged, wherein IRWST stainless steel pond is newly-increased structure, Chinese full name " the water storage bin reloads in the containment ", the water that is used for depot reaction heap pond during normal operation, provide the water source, Cistern Design capacity 1894m with being used for to safety injection system and containment preheating discharge system
3, 160 ℃ of accident conditions temperature.
The IRWST pond is built and is adopted one side welding with back formation technique, builds the field for nuclear power station stainless steel pond and adopts first.The pool construction periphery is made of armored concrete, and agent structure is realized that by stainless steel lining stainless steel lining is installed by welding and realized that every back of weld is equipped with the leak detection groove, be used for realizing installing welding, but the leak detection slot space is narrow and small; Stainless steel lining on-the-spot field joint overall length in this pond is about 1850m, requires 100% ray detection, and has not allowed the defectives such as any undercut, root are recessed, root incomplete fusion to exist.
For single-sided welding and double-sided forming process, undercut, root is recessed and the back of weld defective such as root incomplete fusion defective very easily occurs.For this pond, stainless steel lining is selected 4mm and 6mm thin plate especially, and fusion length is mostly at 3000mm～5000mm, and the thin weld seam of plate is long, easier generation back of weld defective.
Because this pond stainless steel lining is selected light sheet material, ray detection is highly sensitive, the image that some can't be judged can occur on the egative film, and these images are the demonstration of back of weld on egative film mostly, affect the evaluation of radiographic film.
In sum, if can observe IRWST pond stainless steel lining back of weld, just can grasp in real time welder's mode of operation, in time find the problem of appearance in the welding, effectively reduce the back of weld blemish, improve welding quality, reduce the possibility of radiographic film evaluation erroneous judgement.Therefore, the research stainless steel-lined back of weld shaping in a kind of IRWST of being applicable to pond checkout gear will extremely be necessary.
The utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, and a kind of back of weld forming detection device is provided.
In order to solve above technical problem, a kind of back of weld forming detection device that the utility model provides comprises image acquisition device; Also comprise the front that can be placed on respectively corrosion resistant plate, the back side and can be along first, second walking mechanism of weld movement, described the first walking mechanism contains the first dolly and is installed in the first magnet, light source and the microspur camera of the first dolly; Described the second walking mechanism contains the second dolly and is installed in the second magnet of the second dolly; Described microspur camera connects described image acquisition device by data wire; Described first, second walking mechanism is inhaled with the second magnet each other mutually by the first magnet.
The utility model further improves and is:
1, described the first dolly comprises at least one axletree and the platform that is fixed on the axletree forms, and the two ends of described axletree connect respectively a wheel.
2, described the second dolly comprises at least one axletree and the platform that is fixed on the axletree forms, and the two ends of described axletree connect respectively a wheel.
3, described wheel is bearing.
4, described image acquisition device comprises a PC and the video frequency collection card that is connected with PC.
During use, the first walking mechanism is placed on back of weld, the second walking mechanism is placed on the weld seam front, two walking mechanisms are inhaled mutually by magnet and are consisted of a linked system, mobile the second walking mechanism then the first walking mechanism can be followed movement, can regulate the observed zone of camera and readability by this mode.
The beneficial effects of the utility model are as follows:
Real Time Observation was shaped to back of weld when the utility model can guarantee to weld, and eliminated weld defect, grasped welder's mode of operation, in time eliminated the reason that weld defect produces, thereby the Effective Raise welding quality is accelerated construction progress; When carrying out the radiographic film evaluation, if show the image that to judge on the egative film, be shaped by observing back of weld simultaneously, analyze the reason that image produces, reduce the possibility of the erroneous judgement of radiographic film evaluation.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is that the utility model forms schematic diagram.
Fig. 2 is the first walking mechanism structure schematic diagram of embodiment 1.
Fig. 3 is embodiment 1 second walking mechanism structural representation.
Fig. 4 is embodiment 2 first walking mechanism structure schematic diagrames.
Fig. 5 is embodiment 2 second walking mechanism structural representations.
Fig. 6 is first, second walking mechanism work schematic diagram of the utility model.
Number in the figure is schematically as follows: 1-image acquisition device, 2-video frequency collection card, 3-PC, 4-data wire, 5-the first walking mechanism, 6-the second walking mechanism, 7-the first dolly, 8-axletree, the 9-wheel, 10-platform, 11-microspur camera, the 12-torch, 13-the first magnet, 14-the second dolly, 15-the second magnet, 16-LED lamp, 17-IRWST corrosion resistant plate, 18-checks bakie, 19-concrete layer, 20-weld seam.
The specific embodiment
Embodiment one
A kind of back of weld forming detection device of present embodiment, as shown in Figure 1 to Figure 3, comprise image acquisition device, front, the back side of corrosion resistant plate 17 can be placed on respectively and the first dolly 7 and the first magnet 13, torch 12 and the microspur camera 11 that are installed in the first dolly 7 can be contained along the first walking mechanism 5, the second walking mechanism 6, the first walking mechanisms 5 that weld seam 20 moves; The second walking mechanism 6 contains the second dolly 14 and is installed in the second magnet 15 of the second dolly 14; Microspur camera 11 connects image acquisition device 1 by data wire 4; The first walking mechanism 5 is inhaled with the second magnet 15 by the first magnet 13 each other mutually with the second walking mechanism 6; Image acquisition device 1 comprises a PC3 and the video frequency collection card 2 that is connected with P3C, and video frequency collection card 2 connects microspur camera 6 by data wire 11.
The first dolly 7 comprises two axletrees 8, is separately fixed at the wheel 9 at axletree 8 two ends, is installed on the platform 10 on the axletree 8; Torch 12 is fixed in the first dolly 7 afterbodys, and the first magnet 13 comprises two independently magnet, is installed on respectively platform 10 both sides of the first dolly 7, and microspur camera 11 is installed on the centre of platform 10.
The second dolly 14 comprises two axletrees 8, is separately fixed at the wheel 9 at axletree 8 two ends, is installed on the platform 10 on the axletree 8; The second magnet 15 comprises two independently magnet, is installed on respectively platform 10 both sides of the second dolly 14.
As shown in Figure 6, during use, the second walking mechanism 6 is put in IRWST corrosion resistant plate 17 fronts, the first dolly 5 is put in IRWST corrosion resistant plate 17 back sides, two walking mechanisms magnet attract each other, the first walking mechanism 5 is fixed on IRWST corrosion resistant plate 17 back sides; Adopt bearing as wheel 9 in this example, with the power of reducing friction, the first walking mechanism 5 can be displaced sideways; What IRWST corrosion resistant plate 17 adopted is austenitic stainless steel thin plate, nonmagnetic, also can not produce the magnetic control of walking mechanism and disturb; Manually mobile the second walking mechanism 6 can realize the synchronizing moving to the first walking mechanism 5;
Again by the microspur camera 11 on the first walking mechanism 5, connect the data wire 4 on it, then by video frequency collection card 2 and PC3, can carry out real-time monitored.
Embodiment two
A kind of back of weld forming detection device of present embodiment is the improvement on embodiment one basis, and difference part as Fig. 4 are extremely shown in Figure 5 except identical with embodiment one.
Be installed on LED lamp 16 on the first dolly 7 platforms 10 as light source.
The first dolly 7 comprises an axletree 8, is separately fixed at the wheel 9 at axletree 8 two ends, is installed on the platform 10 on the axletree 8; LED lamp 16 is installed on the first dolly 7 platforms 10 1 ends, and the first magnet 13 is installed on platform 10 middle parts of the first dolly 7, and it is arranged side by side that microspur camera 11 is installed on an end and the LED lamp of platform 10.
The second dolly 14 comprises an axletree 8, is separately fixed at the wheel 9 at axletree 8 two ends, is installed on the platform 10 on the axletree 8; The second magnet 15 is installed on platform 10 middle parts of the second dolly 14.
The utility model is not limited to the various embodiments described above, and all employings are equal to replaces the technical scheme that forms, and all drops on the protection domain of the utility model requirement.
Claims (5)
1. a back of weld forming detection device comprises image acquisition device; It is characterized in that: also comprise the front that can be placed on respectively corrosion resistant plate, the back side and can be along first, second walking mechanism of weld movement, described the first walking mechanism contains the first dolly and is installed in the first magnet, light source and the microspur camera of the first dolly; Described the second walking mechanism contains the second dolly and is installed in the second magnet of the second dolly; Described microspur camera connects described image acquisition device by data wire; Described first, second walking mechanism is inhaled with the second magnet each other mutually by the first magnet.
2. according to described a kind of back of weld forming detection device according to claim 1, it is characterized in that: described the first dolly comprises at least one axletree and the platform that is fixed on the axletree forms, and the two ends of described axletree connect respectively a wheel.
3. according to described a kind of back of weld forming detection device according to claim 1, it is characterized in that: described the second dolly comprises at least one axletree and the platform that is fixed on the axletree forms, and the two ends of described axletree connect respectively a wheel.
4. according to claim 2 or 3 described a kind of back of weld forming detection devices, it is characterized in that: described wheel is bearing.
5. described a kind of back of weld forming detection device according to claim 1, it is characterized in that: described image acquisition device comprises a PC and the video frequency collection card that is connected with PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220501586.6U CN202804514U (en) | 2012-09-28 | 2012-09-28 | Weld joint back side forming detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220501586.6U CN202804514U (en) | 2012-09-28 | 2012-09-28 | Weld joint back side forming detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202804514U true CN202804514U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220501586.6U Expired - Fee Related CN202804514U (en) | 2012-09-28 | 2012-09-28 | Weld joint back side forming detection device |
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| Country | Link |
|---|---|
| CN (1) | CN202804514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113066592A (en) * | 2021-03-23 | 2021-07-02 | 三门核电有限公司 | Complete in-service inspection system and method for steel containment vessel of nuclear power plant |
-
2012
- 2012-09-28 CN CN201220501586.6U patent/CN202804514U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113066592A (en) * | 2021-03-23 | 2021-07-02 | 三门核电有限公司 | Complete in-service inspection system and method for steel containment vessel of nuclear power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20210928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |