CN110530981A - A kind of container maintenance weld inspection method - Google Patents
A kind of container maintenance weld inspection method Download PDFInfo
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- CN110530981A CN110530981A CN201910844054.9A CN201910844054A CN110530981A CN 110530981 A CN110530981 A CN 110530981A CN 201910844054 A CN201910844054 A CN 201910844054A CN 110530981 A CN110530981 A CN 110530981A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
- G01N2291/2675—Seam, butt welding
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/269—Various geometry objects
- G01N2291/2695—Bottles, containers
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of container maintenance weld inspection method, the Container inspection system technical field that is related in energy storage device.Including tank wall, it further include multiple cushion block groups that shaping is carried out to tank wall, each cushion block group includes interior cushion block and outer cushion block, the side that the two is located remotely from each other offers inner groove and outer groove respectively, the central axis of inner groove is inner axis, and the central axis of outer groove is outer axis, and inner loop-line and Section of Outer Ring Line are parallel to each other and one of them is used as detection axis to pass through weld seam, using following steps: positioning: interior cushion block and outer cushion block point are connected to the medial surface and lateral surface of tank wall by S1；S2, detection: probe is connected at the center of outer groove or inner groove, obtains detection signal A；Reinspection: S3 replaces different cushion block groups, obtains different reinspection signal B.It is placed in probe can on even curface by the setting of cushion block group, it is convenient to operate, and can obtain multiple reinspection signal B, convenient for comprehensive analysis to improve detection accuracy.
Description
Technical field
The present invention relates to the Container inspection system technical fields in energy storage device, more particularly, to a kind of container maintenance weld seam
Detection method.
Background technique
The repair and maintenance process of container generally includes the multiple tracks such as correction, cutting, welding, replacement, cleaning, the paint of tank wall
Flow chart, since container is that steel material is welded, welding quality is by work manually in welding sequence by worker
People operates the influence of skill, and commissure will appear different degrees of defect, including crackle, overlap, burn-through, arc crater, stomata, folder
Slag, undercut, incomplete fusion and lack of penetration etc., cause hardness, structure of steel material etc. that can change, influence container stress,
It uses, finally reduces the service life.
In view of the above-mentioned problems, the patent that patent publication No. is CN102841142A is disclosed based on ultrasonic detection device
The probe of ultrasonic detection device: being placed in the steel pipe side of butt weld by weld inspection method, and probe is located at close to steel pipe
Side；Horizonntlly polarized S waves is sent when ultrasonic detection device controls probe, so that horizonntlly polarized S waves covers entire butt welding
Seam, while reception reflection signal of popping one's head in, and signal is shown by waveform oscilloscope and is exported, waveform oscilloscope is shown for showing
There is weld defect information according to what transmitting signal and the reflection signal processing obtained, mobile probe is along the direction perpendicular to weld seam
At the uniform velocity steel pipe translate, the range of translation be apart from butt weld center be 10mm-30mm within；Realize the inspection to weld seam
It surveys.
Prior art among the above has the following deficiencies: that the surrounding side wall due to container is steel board bent
At, uneven, bending angle is more, directly use ultrasonic detecting equipment when probe placement be not easy, be easy to appear relatively large deviation,
It is difficult to accurately obtain testing result.
Summary of the invention
The object of the present invention is to provide a kind of container maintenance weld inspection methods, its advantage is that: it will be welded by cushion block group
Plane is shaped at seam, convenient for probe placement detection, and multiple cushion block groups can obtain multiple reinspection signal B, to improve detection
Precision.
The technical scheme is that:
A kind of container maintenance weld inspection method, including tank wall further include multiple cushion block groups that shaping is carried out to tank wall, each
Cushion block group includes the interior cushion block and outer cushion block mutually agreed with, the tank wall be folded in the interior cushion block and the outer cushion block it
Between, the side that the interior cushion block is located remotely from each other with the outer cushion block is arranged in parallel, the interior cushion block far from the outer cushion block one
Side offers inner groove, and the central axis of the inner groove is inner axis, and the outer cushion block is opened far from the side of the interior cushion block
Equipped with outer groove, the central axis of the outer groove is outer axis, and the inner axis is mutual parallel with the outer axis and wherein one
A that detection axis is used as to pass through weld seam, the detection axis of different cushion block groups is different from the angle between the weld seam, and use is following
Step:
Positioning: outer cushion block is connected to the lateral surface of tank wall, interior cushion block is connected to the medial surface of tank wall by S1；
S2, detection: the probe of ultrasonic detecting equipment being connected at the center of outer groove or inner groove, is detected, and is obtained
Detect signal A；
S3, reinspection: replacing different cushion block groups, makes to be different angle between the detection axis of cushion block group and weld seam, according to S2
Method reuse probe and detected, different cushion block groups obtains different reinspection signal B.
By using above-mentioned technical proposal, before detecting using ultrasonic detecting equipment, a pair of of cushion block group is first selected, by outer pad
Block and interior cushion block are connected to respectively on the weld seam of tank wall bending place, carry out shaping to tank wall, the tank wall of bending is by cushion block group originally
After sandwiched, two parallel wall surfaces, i.e., the side that interior cushion block and outer cushion block are located remotely from each other are formed.After shaping, reuse super
Acoustic wave detection devices are detected, and directly probe can be connected at outer ring groove center, probe just can closely with outer cushion block
It abuts, it is more convenient to operate, and also more stable under the auxiliary for being placed on cushion block group of probe, the detection signal A made can be more
Add precisely.After detection, different cushion block groups is replaced, above-mentioned detection process is repeated, due to the detection axis of different cushion block groups
Angle between weld seam is different, and after probe is connected at outer ring groove center, the angle of detection also changes, and obtains multiple
Signal B is rechecked, the quality condition of weld seam is judged jointly by reinspection signal B and detection signal A, greatly improves the essence of detection
Degree.
Be further arranged to: the interior cushion block is provided with and the tank wall bending place close to the side of the tank wall medial surface
The interior contract face agreed with, the outer cushion block be provided with close to the side of the tank wall lateral surface agree with the tank wall bending place it is outer
Contract face, the interior contract face are mutually agreed with the outer contract face.
By using above-mentioned technical proposal, interior cushion block agree with abutting by interior contract face with tank wall, and outer cushion block passes through outer
Contract face agree with abutting with tank wall, and after the position of interior cushion block and outer cushion block is fixed, tank wall is folded in centre, cushion block group
It keeps closely abutting between tank wall, convenient for the conduction of ultrasonic wave.
It is further arranged to: when weld seam is located at the tank wall lateral surface, before positioning the outer cushion block in the S1, In
Bending place of the lateral surface of the tank wall from the commissure to both ends is extended the first reference line, the side of the outer cushion block
The first comparison loop wire that a circle and the outer axis are in the same plane is fixed in edge.
The first reference line is first provided when weld seam is located at the lateral surface of tank wall by using above-mentioned technical proposal, shows
Then the position of weld seam repositions outer cushion block, so that the first comparison loop wire is in the same plane with the first reference line, to make
After the positioning of outer cushion block, the central axis of outer groove can pass through weld seam, worker be not necessarily to carry out when placing probe position selection,
Probe, can directly be connected in outer groove by measurement, adjustment etc., and it is very convenient to operate.
It is further arranged to: when weld seam is located at the tank wall medial surface, before positioning the interior cushion block in the S1, In
Bending place of the medial surface of the tank wall from the commissure to both ends is extended the second reference line, the side of the interior cushion block
In the second comparison loop wire that edge is fixed with a circle and the inner axis is in the same plane.
The second reference line is first provided when weld seam is located at the medial surface of tank wall by using above-mentioned technical proposal, shows
Then the position of weld seam repositions interior cushion block, so that the second comparison loop wire is in the same plane with the second reference line, to make
In after cushion block positioning, the central axis of inner groove can pass through weld seam, worker when placing probe without carry out position selection,
Probe, can directly be connected in inner groove by measurement, adjustment etc., and it is very convenient to operate.
Be further arranged to: the material of the outer cushion block and the interior cushion block is identical as the material of the tank wall.
By using above-mentioned technical proposal, material is identical so that cushion block group will can form an internal ultrasonic after tank wall sandwiched
The more consistent entirety of wave transmitting medium, improves the precision of detection.
Be further arranged to: end of the outer cushion block far from the outer groove, the interior cushion block are far from the inner groove
End be embedded with magnet, the outer cushion block is attracted each other with the interior cushion block by the magnet.
By using above-mentioned technical proposal, outer cushion block, interior cushion block pass through respectively magnet be adsorbed on the lateral surface of tank wall with it is interior
Side is not necessarily to worker's long-time manual support, laborsaving, convenient.
Be further arranged to: the angle between the detection axis and the weld seam of different cushion block groups is arranged at 0 ° ~ 45 °.
By using above-mentioned technical proposal, the angle between the detection axis and weld seam of each cushion block group is different, thus
Multiple and different reinspection signal B can be got, 0 ° ~ 45 ° make all reinspection signal B more comprehensively cover weld seam together
The detection information of each angle, convenient for improving the accuracy of analysis of worker.
It is further arranged to: after S3 reinspection, different reinspection signal B being carried out with detection signal A respectively pair
Than.
By using above-mentioned technical proposal, comparison reinspection signal B and detection signal A can help to worker and judge that weld seam is examined
The precision of survey, and energy comprehensive comparative analysis, obtain preferably test result.
In conclusion advantageous effects of the invention are as follows:
1. the commissure of tank wall is carried out shaping by mutually matched interior cushion block and outer cushion block, bending place becomes smooth, convenient for probe
Directly place detection, worker operation is very convenient, and the error of detection can be effectively reduced；
2. the angle between the detection axis and weld seam of each cushion block group is different, multiple and different reinspection signal B can get, from
And improve the precision of golden plan；
3. outer cushion block can be carried out with interior cushion block and accurately position, and adsorbed by magnet, hand-held without worker, grasped convenient for worker
Make.
Detailed description of the invention
Fig. 1 is cushion block group to the floor map after tank wall shaping；
Fig. 2 is overall structure diagram one of the invention；(for showing outer cushion block)
Fig. 3 is the cross-sectional view in the face A-A along Fig. 2；
Fig. 4 is the partial enlargement diagram of part B in Fig. 3；
Fig. 5 is overall structure diagram two of the invention；(for showing interior cushion block)
Fig. 6 is the cross-sectional view in the face C-C along Fig. 5；
Fig. 7 is the partial enlargement diagram of the part D in Fig. 6.
Appended drawing reference: 1, tank wall；2, interior cushion block；3, outer cushion block；4, inner groove；5, inner axis；6, outer groove；7, outer shaft
Line；8, interior contract face；9, outer contract face；10, the first reference line；11, the first comparison loop wire；12, the second reference line；13, the second comparison
Loop wire；14, magnet.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one
Referring to Figures 1 and 2, it is a kind of container maintenance weld inspection method disclosed in the present embodiment, including tank wall 1, further includes
Four cushion block groups of shaping are carried out to tank wall 1, each cushion block group includes the interior cushion block 2 and outer cushion block 3 mutually agreed with, interior cushion block
2 are connected to the medial surface of tank wall 1, and outer cushion block 3 is connected to the lateral surface of tank wall 1 so that tank wall 1 be folded in interior cushion block 2 with it is outer
Between cushion block 3.
Referring to Fig. 3 and Fig. 4, interior cushion block 2 is provided with the interior contract face 8 agreed with 1 bending place of tank wall close to the side of tank wall 1,
Outer cushion block 3 is provided with the outer contract face 9 agreed with 1 bending place of tank wall close to the side of tank wall 1, and interior contract face 8 and outer contract face 9 are mutually
Agree with.
Referring to Fig. 4, interior cushion block 2 and outer cushion block 3 side close to each other are embedded with magnet 14 in edge, interior cushion block 2,
Outer cushion block 3 is more preferable by interior contract face 8 and the energy in outer contract face 9 and more closely abuts and is adsorbed on tank wall 1, convenient for the biography of ultrasonic wave
It leads, while hand-held for a long time without worker, it is more laborsaving, convenient.
Referring to Fig.1 and Fig. 4, interior cushion block 2 are steel material identical with tank wall 1 with the material of outer cushion block 3, when interior cushion block 2,
After tank wall 1 is folded in centre by outer cushion block 3, forms one closely and the more uniform entirety of transmitting medium, can be reduced
The loss of ultrasonic energy improves the precision of detection.
It is connected to after the medial surface and lateral surface of tank wall 1 respectively with Fig. 4, interior cushion block 2 with outer cushion block 3 referring to Fig.1, interior pad
The side that block 2 is located remotely from each other with outer cushion block 3 is parallel to each other, and reflects convenient for the conduction of ultrasonic wave, received energy is improved, to have
Help accurately obtaining for findings data.
Referring to Fig. 2 and Fig. 5, interior cushion block 2 offers inner groove 4, the central axis of inner groove 4 far from the side of outer cushion block 3
For inner axis 5；Outer cushion block 3 offers outer groove 6 far from the side of interior cushion block 2, and the central axis of outer groove 6 is outer axis 7.It is interior
Axis 5 is parallel to each other with outer axis 7, and one in inner axis 5 and outer axis 7 passes through weld seam, four pads as detection axis
Angle between the detection axis of block group and weld seam is different, respectively 0 °, 15 °, 20 ° and 45 °.The side of outer cushion block 3 is in side
The first comparison loop wire 11 that a circle and outer axis 7 are in the same plane is fixed at edge, the side of interior cushion block 2 is solid in edge
Surely there is the second comparison loop wire 13 that one end and inner axis 5 are in the same plane, compare in shaping with weld seam convenient for worker
Right, it is more convenient to operate.
Referring to Fig. 2 and Fig. 4, when weld seam is located at the lateral surface of tank wall 1, using following steps:
S1, positioning: one cushion block group of selection draws the first reference line 10 in the lateral surface of tank wall 1, and the first reference line 10 is from tank wall
The commissure of 1 lateral surface is extended to the bending place at both ends, compares loop wire 11 and for the first of the cushion block group China and foreign countries cushion block 3
One reference line 10 is aligned and is in the same plane, and agrees with the outer contract face 9 of outer cushion block 3 with tank wall 1, and outer axis 7 is as inspection
It surveys axis and passes through weld seam.To make interior pad when the interior contract face 8 of interior cushion block 2 being then connected to the corresponding medial surface of tank wall 1, and being abutted
Block 2 can be passed through by outer axis 7.
S2, detection: the probe of ultrasonic detecting equipment being connected at the center of outer groove 6, is detected, probe transmitting
Ultrasonic wave encounter interior 2 back reflection of cushion block and be received back, obtain detection signal A.After cushion block group shaping, probe can be supported directly
It connects on smooth 3 surface of outer cushion block, measure, adjust without the position of progress repeatedly etc., probe directly can be connected to outer ring
In slot 6, it is very convenient to operate.
S3, reinspection: replacing other three cushion block groups, makes to be other three kinds of folders between the detection axis and weld seam of cushion block group
Angle situation is detected according to probe is connected at the center of outer groove 6 again the step of S2, is obtained and three cushion block components
Not corresponding three reinspection signals B.Three reinspection signal B contain the detection information of each angle of more weld seam, are rechecked
After signal B, reinspection signal B and detection signal A are compared into summary, facilitates worker and obtains more accurate testing result.
Referring to figure 5 and figure 6, when weld seam is located at the medial surface of tank wall 1, using following steps:
Referring to Fig. 5 and Fig. 7, S1, positioning: one cushion block group of selection draws the second reference line 12 in the medial surface of tank wall 1, and second
Reference line 12 is extended from the commissure of 1 medial surface of tank wall to the bending place at both ends, by the second of cushion block 2 interior in the cushion block group
Comparison loop wire 13 is aligned and is in the same plane with the second reference line 12, and agrees with the interior contract face 8 of interior cushion block 2 with tank wall 1,
Inner axis 5 passes through weld seam as detection axis.The outer contract face 9 of outer cushion block 3 is connected to the corresponding lateral surface of tank wall 1 after complete, and
Outer cushion block 3 is set to be passed through when abutting by inner axis 5.
S2, detection: the probe of ultrasonic detecting equipment being connected at the center of inner groove 4, is detected, probe transmitting
Ultrasonic wave encounter outer 3 back reflection of cushion block and be received back, obtain detection signal A.After cushion block group shaping, probe can be supported directly
It connects on smooth 2 surface of interior cushion block, measure, adjust without the position of progress repeatedly etc., probe directly can be connected to inner ring
In slot 4, it is very convenient to operate.
S3, reinspection: replacing other three cushion block groups, makes to be other three kinds of folders between the detection axis and weld seam of cushion block group
Angle situation is detected according to probe is connected at the center of inner groove 4 again the step of S2, is obtained and three cushion block components
Not corresponding three reinspection signals B.Three reinspection signal B contain the detection information of each angle of more weld seam, are rechecked
After signal B, reinspection signal B and detection signal A are compared into summary, facilitates worker and obtains more accurate testing result.
It the implementation principle of the present embodiment and has the beneficial effect that
The commissure of tank wall 1 is carried out shaping with interior cushion block 2 by outer cushion block 3, if weld seam puts probe in 1 lateral surface of tank wall
It sets and is detected in outer groove 6, compared by the first reference line 10 and the first comparison loop wire 11, realize external cushion block 3
Positioning, and guarantee that outer axis 7 can pass through interior cushion block 2 when cushion block 2 in placing；If weld seam, will probe in 1 medial surface of tank wall
It is placed on inner groove 4 to be detected, is compared by the second reference line 12 and the second comparison loop wire 13, realize internal cushion block 2
Positioning, and when placing outer cushion block 3 guarantee inner axis 5 pass through outer cushion block 3.
Cushion block group makes the bending angle of commissure more smooth after positioning, and probe can be placed directly within inner groove 4 or outer
In annular groove 6, it is more convenient that worker operation is got up, and advantageously reduces detection error.Four different cushion block groups make probe can be from
Different angles detect weld seam, obtain multiple reinspection signals, are convenient for worker's comprehensive analysis, improve the precision of detection.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of container maintenance weld inspection method, including tank wall (1), which is characterized in that further include whole to tank wall (1) progress
Multiple cushion block groups of shape, each cushion block group include the interior cushion block (2) and outer cushion block (3) mutually agreed with, and the tank wall (1) is pressed from both sides
Be located between the interior cushion block (2) and the outer cushion block (3), the interior cushion block (2) and the outer cushion block (3) be located remotely from each other one
Side is arranged in parallel, and the interior cushion block (2) offers inner groove (4) far from the side of the outer cushion block (3), the inner groove (4)
Central axis be inner axis (5), the outer cushion block (3) offers outer groove (6), institute far from the side of the interior cushion block (2)
The central axis for stating outer groove (6) is outer axis (7), the inner axis (5) and the outer axis (7) it is mutual parallel and one of them
Weld seam is passed through as detection axis, the detection axis of different cushion block groups is different from the angle between the weld seam, using following step
It is rapid:
Outer cushion block (3) positioning: is connected to the lateral surface of tank wall (1), interior cushion block (2) is connected to the inside of tank wall (1) by S1
Face；
Detection: S2 the probe of ultrasonic detecting equipment is connected at the center of outer groove (6) or inner groove (4), is examined
It surveys, obtains detection signal A；
S3, reinspection: replacing different cushion block groups, makes to be different angle between the detection axis of cushion block group and weld seam, according to S2
Method reuse probe and detected, different cushion block groups obtains different reinspection signal B.
2. a kind of container maintenance weld inspection method according to claim 1, which is characterized in that the interior cushion block (2)
Side close to the tank wall (1) medial surface is provided with the interior contract face (8) agreed with the tank wall (1) bending place, the outer pad
Block (3) is provided with the outer contract face (9) agreed with the tank wall (1) bending place close to the side of the tank wall (1) lateral surface, described
Interior contract face (8) is mutually agreed with the outer contract face (9).
3. a kind of container maintenance weld inspection method according to claim 2, which is characterized in that described in being located at when weld seam
When tank wall (1) lateral surface, before the outer cushion block (3) is positioned in the S1, the tank wall (1) lateral surface from the weld seam
Place is extended the first reference line (10) to the bending place at both ends, and the side of the outer cushion block (3) is fixed with a circle in edge
The first comparison loop wire (11) being in the same plane with the outer axis (7).
4. a kind of container maintenance weld inspection method according to claim 2, which is characterized in that described in being located at when weld seam
When tank wall (1) medial surface, before the interior cushion block (2) is positioned in the S1, the tank wall (1) medial surface from the weld seam
Place is extended the second reference line (12) to the bending place at both ends, and the side of the interior cushion block (2) is fixed with a circle in edge
The second comparison loop wire (13) being in the same plane with the inner axis (5).
5. a kind of container maintenance weld inspection method according to claim 1, which is characterized in that the outer cushion block (3)
It is identical as the material of the tank wall (1) with the material of the interior cushion block (2).
6. a kind of container maintenance weld inspection method according to claim 5, which is characterized in that the outer cushion block (3)
End, the interior cushion block (2) far from the outer groove (6) are embedded with magnet (14) far from the end of the inner groove (4),
The outer cushion block (3) is attracted each other with the interior cushion block (2) by the magnet (14).
7. a kind of container maintenance weld inspection method according to claim 3 or 4, which is characterized in that different cushion block groups
Detection axis and the weld seam between angle be arranged at 0 ° ~ 45 °.
8. a kind of container maintenance weld inspection method according to claim 7, which is characterized in that the S3 reinspection finishes
Afterwards, different reinspection signal B is compared with detection signal A respectively.
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