CN218099013U - Non-flat plate butt welding seam ultrasonic detection defect positioning scale - Google Patents
Non-flat plate butt welding seam ultrasonic detection defect positioning scale Download PDFInfo
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- CN218099013U CN218099013U CN202222284822.XU CN202222284822U CN218099013U CN 218099013 U CN218099013 U CN 218099013U CN 202222284822 U CN202222284822 U CN 202222284822U CN 218099013 U CN218099013 U CN 218099013U
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Abstract
The utility model discloses a non-dull and stereotyped butt weld ultrasonic testing defect location scale, level bar and vertical ruler including the surface scale, level bar and vertical ruler mutually perpendicular, the bottom surface of level bar is equipped with and makes the gliding level bar angle steel support of level bar, be equipped with first fastener on the level bar angle steel support, the one end terminal surface of level bar is 0 scale end, be equipped with the recess on the 0 scale terminal surface of level bar, the recess is embedded to have and to follow the gliding vertical ruler of level bar vertical direction, and the degree of depth of recess is the same with the thickness of vertical ruler, the vertical ruler slides and locates on the vertical ruler angle steel support, the vertical ruler angle steel support is fixed on the level bar, be equipped with the second fastener on the vertical ruler angle steel support. The utility model discloses use the right-angle side that level bar and level bar angle iron support formed to hug closely ultrasonic transducer, according to defect level and the vertical distance that the ultrasonic detection shows, remove fixed level, vertical ruler, through scale indicator indicating value and calculate the actual position of confirming the defect in the welding seam.
Description
Technical Field
The utility model relates to a dull and stereotyped butt weld ultrasonic testing defect location scale of non belongs to ultrasonic detection technical field.
Background
Ultrasonic detection is an important nondestructive testing means for judging whether a welding seam has defects, and the specific positions of the defects are determined through the horizontal and depth distances of the defects displayed by an ultrasonic detector relative to a probe. When the ultrasonic detection is carried out on the conventional flat plate butt joint or a welding joint similar to the conventional flat plate butt joint, the specific position of the defect in the welding seam can be directly determined by indicating values of the defect level and the depth because the detection surface of the probe is on the same horizontal plane with the surface of the welding seam. However, when a non-planar welding part such as a fillet weld of a tube seat of a cambered surface is subjected to ultrasonic detection, the position of the defect cannot be directly measured and determined on the curved surface according to the horizontal and depth indication values relative to a probe, and the position of the defect is generally determined by estimating the arc surface by a straight line distance or performing drawing correction.
In view of the above-mentioned shortcomings of the prior art, there is a need for a flaw location ruler for determining the actual location of a flaw in a weld based on the horizontal, depth distance of the flaw relative to the probe on a non-planar inspection surface.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: when ultrasonic detection is carried out on a non-planar welding part, how to determine the actual position of the defect in the welding seam.
In order to solve the technical problem, the technical scheme of the utility model provides a non-flat butt weld ultrasonic testing defect positioning scale, a serial communication port, including level bar and the vertical scale that the surface has scale, level bar and vertical scale mutually perpendicular, the bottom surface of level bar is equipped with the level bar angle steel support that makes the level bar gliding, be equipped with the first fastener that makes the level bar fixed on the level bar angle steel support, the one end terminal surface of level bar is 0 scale end, be equipped with the recess on the 0 scale terminal surface of level bar, the recess is embedded to have the vertical scale that can slide along the level bar vertical direction, and the depth of recess is the same with the thickness of vertical scale, the vertical scale slides and locates on the vertical scale angle steel support, the vertical scale angle steel support is fixed on the level bar, be equipped with the second fastener that makes the vertical scale fixed on the vertical scale angle steel support; the angle steel bracket of the level ruler and the 0-scale end of the vertical ruler are positioned on the same side of the level ruler.
Preferably, the middle part of the horizontal ruler is provided with a strip-shaped hollow groove along the length direction; the first fastener comprises at least two groups of horizontal ruler tightening bolts and fixing pieces corresponding to each group of horizontal ruler tightening bolts, through holes are formed in the fixing pieces corresponding to the horizontal ruler tightening bolts, threaded holes corresponding to the horizontal ruler tightening bolts are formed in the horizontal ruler angle steel support, and one end of each horizontal ruler tightening bolt sequentially penetrates through the hollow grooves of the fixing pieces and the horizontal ruler and is in threaded connection with the threaded holes of the horizontal ruler angle steel support.
Preferably, the level bar angle iron bracket be L type structure, level bar and level bar angle iron bracket's horizontal plane sliding connection, the level bar constitutes the right-angle side with level bar angle iron bracket's perpendicular.
Preferably, the middle part of the vertical ruler is provided with a long-strip-shaped hollow groove along the length direction, the second fastener comprises a vertical ruler tightening bolt and a fixing piece corresponding to the vertical ruler tightening bolt, the fixing piece corresponding to the vertical ruler tightening bolt is provided with a threaded hole, the vertical ruler angle steel support is provided with a through hole corresponding to the vertical ruler tightening bolt, and one end of the vertical ruler tightening bolt sequentially penetrates through the vertical ruler angle steel support and the hollow groove of the vertical ruler and is in threaded connection with the threaded hole of the fixing piece.
Preferably, the vertical ruler angle iron bracket is of an L-shaped structure, the horizontal ruler is fixedly connected with the horizontal plane of the vertical ruler angle iron bracket, and the vertical ruler is slidably connected with the vertical plane of the vertical ruler angle iron bracket.
Preferably, at least one level scale indicator is arranged on the level angle iron bracket, the level scale indicator is tightly attached to the side edge of the level, and the sharp angle at the tail end of the level scale indicator and the outer side of the vertical surface of the level angle iron bracket are kept on the same vertical line.
Preferably, the tail end of the bottom surface of the horizontal ruler is provided with at least one vertical ruler scale indicator, the vertical ruler scale indicator is tightly attached to the side edge of the vertical ruler, and the sharp angle of one end, extending out of the vertical ruler, of the vertical ruler scale indicator and the lower edge of the horizontal ruler are kept on the same horizontal line.
The utility model is used for confirm the actual position of defect in the welding seam based on the level of defect for the probe, degree of depth distance on the non-planar testing face.
The utility model discloses use the right-angle side that level bar and level bar angle iron support formed to hug closely ultrasonic transducer, according to defect level and the vertical distance that the ultrasonic detection shows, remove fixed level, vertical ruler, through scale indicator indicating value and calculate the actual position of confirming the defect in the welding seam. The utility model discloses a positioning scale is applicable in traditional A super reach phased array ultrasonic testing, marks the object and covers a series of non-dull and stereotyped butt welds such as pipeline longitudinal weld, cambered surface tube seat fillet weld, the butt weld of not uniform thickness, can the quick accurate determination welding seam defect actual position.
The utility model discloses following beneficial effect has:
the utility model discloses a positioning scale is used for dull and stereotyped butt weld ultrasonic testing of non-, and the position and the degree of depth of defect in the welding seam can be pinpointed fast, have got rid of non-planar detection face and have given the unchangeable that measuring distance brought, have improved the accuracy of mending the welding seam when the welding seam is reprocessed.
Drawings
FIG. 1 is a perspective view of a non-flat butt weld ultrasonic inspection defect positioning scale;
FIG. 2 is a side view of a non-flat butt weld ultrasonic inspection defect positioning scale;
FIG. 3 is a detail view of the level;
FIG. 4 is a detail view of the vertical ruler;
FIG. 5 is a schematic view of the position of the ultrasonic probe;
FIG. 6 is a schematic view of tube fillet weld calibration;
fig. 7 is a detailed schematic diagram of the calibration of fig. 6.
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
The utility model provides a dull and stereotyped butt weld ultrasonic testing defect positioning scale of non is applicable to the determination of a series of dull and stereotyped butt weld ultrasonic testing defect levels of non-such as the vertical welding seam of pipeline, cambered surface tube seat fillet weld, the butt weld of not uniform thickness and degree of depth position. As shown in fig. 1-4, it comprises a horizontal ruler 1, a vertical ruler 2, a horizontal ruler angle bracket 3 and a vertical ruler angle bracket 4. Level bar angle iron bracket 3 locates level bar 1 one side for level bar 1 slides on level bar angle iron bracket 3. One end of the horizontal ruler 1 is provided with a vertical ruler angle iron bracket 4, and one side of the vertical ruler angle iron bracket 4 is provided with a vertical ruler 2, so that the vertical ruler 2 can slide on the vertical ruler angle iron bracket 4. The horizontal ruler 1 and the vertical ruler 2 are perpendicular to each other.
The middle part of the level bar 1 is provided with a strip-shaped hollow groove along the length direction thereof and can horizontally move through a clamping and fixing device. The width of the hollow groove of the level bar 1 is 5mm, and the length of the groove is 280mm. The holding fixture on level 1 comprises a level angle bracket 3 and at least two sets of level tightening bolts (two sets in this embodiment, first level tightening bolts 1-3, second level tightening bolts 1-4) for the purpose of fixing level 1 and determining the measurement reference point. The level tightening bolt passes through the fixed piece and then passes through the hollowed-out groove of the level 1 (namely, one end of the level tightening bolt sequentially passes through the fixed piece and the hollowed-out groove of the level 1) and is connected with the threaded hole of the level angle iron bracket 3, and the position between the level 1 and the level angle iron bracket 3 is fixed. The fixing piece corresponding to the bolt screwed down by the level ruler is provided with a through hole.
The end face of the horizontal ruler 1, which is located on the scale of 0mm, is provided with a groove, so that the vertical ruler 2 can be embedded and can move along the vertical direction of the horizontal ruler 1, and the groove depth of the groove is consistent with the thickness of the vertical ruler 2.
The material of level bar angle steel support 3 is the steel, is L type structure, and its horizontal plane length is 60mm, and perpendicular length is 20mm, width 25mm, thickness 2mm. 2 threaded holes are arranged on the horizontal plane central line of the angle steel bracket 3 of the level ruler, and the angle steel bracket is fixed with the level ruler 1 through 2 groups of level ruler tightening bolts (comprising fixing pieces). The right-angle surface formed by the vertical surface of the level angle steel bracket 3 and the level 1 is attached to the front side and the upper side of the ultrasonic probe 5 in the actual use process so as to determine a measurement reference point.
At least one level scale indicator is arranged on the level angle steel bracket 3. In this embodiment, 2 level scale indicators are provided on the level angle iron bracket 3.
2 level scale indicators (namely a first level scale indicator 1-1 and a second level scale indicator 1-2) of the level 1 are arranged on the level angle steel bracket 3 and are symmetrically arranged relative to the level 1. The horizontal scale indicator is made of steel and is L-shaped, the length of a vertical side of the horizontal scale indicator is 3mm, the length of a horizontal side of the horizontal scale indicator is 6mm, and a sharp corner (an indicating end) at the tail end of the vertical side of the horizontal scale indicator and the outer side of a vertical surface of the angle steel bracket 3 of the horizontal ruler are kept on the same vertical line. When in use, the indicating position of the horizontal scale indicator and the front end of the ultrasonic probe 5 keep the same vertical plane.
The vertical ruler 2 is used to indicate the depth position of the defect with respect to the lower end face of the ultrasonic probe 5. The vertical ruler 2 is made of steel, and the length, width and thickness of the vertical ruler are respectively 60mm, 10mm and 2mm. The length of the vertical ruler 2 is 50mm, wherein the initial scale of the lower end face of the vertical ruler 2 is 0mm, the scale close to the upper end face by 10mm is 50mm, and millimeter scale (50 mm) and numerical values are marked on two sides. Other length specifications may be substituted as desired. The angle steel bracket 3 of the horizontal ruler and the 0-scale end of the vertical ruler 2 are positioned on the same side of the horizontal ruler 1.
The middle part of the vertical ruler 2 is provided with a strip-shaped hollow groove along the length direction, and the vertical ruler can vertically move through a clamping and fixing device. The groove width of the hollow groove of the vertical ruler 2 is 3mm, the groove length is 50mm, the distance between the upper end face and the lower end face is 3mm and 7mm respectively, and the clamping and fixing device on the vertical ruler 2 comprises a vertical ruler angle steel bracket 4 and vertical ruler tightening bolts 2-3, and the clamping and fixing device is used for fixing the vertical ruler 2 and determining a measurement reference point. The vertical ruler tightening bolts 2-3 pass through the vertical ruler angle steel bracket 4 and then pass through the hollow-out grooves of the vertical ruler 2 to be connected with the fixing piece, so that the position between the vertical ruler 2 and the vertical ruler angle steel bracket 4 is fixed. The fixing piece corresponding to the vertical ruler tightening bolt 2-3 is provided with a threaded hole, and the vertical ruler angle steel bracket 4 is provided with a through hole corresponding to the vertical ruler tightening bolt 2-3.
The vertical ruler angle steel bracket 4 is made of steel and is of an L-shaped structure, and the vertical surface of the L-shaped structure is 10mm in length, the horizontal surface of the L-shaped structure is 5mm in length, the width of the L-shaped structure is 10mm, and the thickness of the L-shaped structure is 2mm. The horizontal plane of the angle steel bracket 4 of the vertical ruler is fixed with the horizontal ruler 1, the center of the vertical plane is provided with a through hole 1, and the angle steel bracket is fixed with the vertical ruler 2 through a vertical ruler tightening bolt 2-3 (comprising a fixing piece).
At least one vertical ruler scale indicator is arranged at the tail end of the bottom surface of the horizontal ruler 1, and in the embodiment, 2 horizontal ruler scale indicators are arranged on the horizontal ruler 1.
The 2 vertical scale indicators on the vertical scale 2 (i.e. the first vertical scale indicator 2-1, the second vertical scale indicator 2-2) are disposed at the end of the horizontal scale 1, symmetrically arranged with respect to the vertical scale 2. The vertical scale indicator is made of steel, is shaped like a straight line and has the length of 3mm, the sharp corner of one end, extending out of the vertical ruler 2, of the vertical scale indicator and the lower edge of the horizontal ruler 1 are kept on the same horizontal line, and the indicating position of the vertical scale indicator and the upper end of the ultrasonic probe 5 are kept on the same horizontal plane during use.
In this embodiment, the level 1 is provided with two level tightening bolts, the vertical ruler 2 is provided with one vertical ruler tightening bolt 2-3, and the level 1 and the vertical ruler 2 are fixed to the corresponding angle iron brackets through the fixing pieces.
The utility model discloses the specific operation does:
and after the ultrasonic probe 5 transmits and receives the defect echo signal, the ultrasonic detector records the horizontal and depth distances between the defect and the central point of the lower edge of the front end of the ultrasonic probe 5. Firstly, the right-angle surface formed by the angle steel bracket 3 of the level ruler and the level ruler 1 is attached to the front end surface and the upper end surface of the ultrasonic probe 5, as shown in fig. 5, so as to determine the measuring datum point of the level ruler 1 and the vertical ruler 2. Adjusting the level ruler to screw the bolt, moving the relative position between the level ruler 1 and the level ruler angle steel bracket 3 and fixing, and keeping the indicating value of the level ruler scale indicator consistent with the defect level indicating value of the ultrasonic detector. And then adjusting the vertical ruler to tighten the bolts 2-3, moving and fixing the relative position between the vertical ruler 2 and the angle steel bracket 4 of the vertical ruler, and keeping the zero-scale end of the vertical ruler 2 against the surface of the welding seam. Thus, the contact position of the zero scale end center point of the vertical scale 2 and the welding seam is vertically downward to be the actual position of the defect, and the depth value is the difference between the depth indication value of the ultrasonic detector minus the indication value of the scale indicator of the vertical scale and the height of the probe.
Taking ultrasonic detection of a pipe fillet weld as an example, a calibration schematic diagram and a detailed schematic diagram are shown in fig. 6 and 7. Moving the ultrasonic probe 5 to find the defect and recording the horizontal distance L of the defect displayed by the ultrasonic detector relative to the central point of the lower edge of the front end of the probe AB And a depth distance L BC Numerical values.
Adjusting the two level rulers to screw the bolt and moving the level ruler 1 until the scale indicators of the two level rulers have the indication value L AB And fixed. Respectively clinging a right-angle surface (right angle is located at a point F) formed by the level ruler 1 and the level ruler angle steel bracket 3 to the upper end surface and the front end surface of the ultrasonic probe 5, adjusting the vertical ruler to tighten the bolts 2-3 and moving the vertical ruler 2 until the zero scale of the vertical ruler 2 props against a welding seam surface point D, and then fixing the vertical ruler to tighten the bolts 2-3. At this time, the vertical downward direction of point D is the actual position of the defect, the depth position L DC ＝L BC -L BD ＝L BC -(L ED -L EB )＝L BC -(L ED -L FA ) Wherein L is BC Has been displayed by an ultrasonic detector, L ED Is the indication of the vertical scale indicator, L FA Is the height of the ultrasonic probe 5. To this end, L is obtained DC The numerical value determines the depth distance of the defect below the center point of the zero scale surface of the vertical ruler 2.
Claims (7)
1. The utility model provides a non-dull and stereotyped butt weld ultrasonic testing defect positioning scale, a serial communication port, including level bar (1) and vertical ruler (2) that the surface mark is scaled, level bar (1) and vertical ruler (2) mutually perpendicular, the bottom surface of level bar (1) is equipped with makes the gliding level bar angle steel support (3) of level bar (1), be equipped with the first fastener that makes level bar (1) fixed on level bar angle steel support (3), the one end terminal surface of level bar (1) is 0 scale end, be equipped with the recess on the 0 scale terminal surface of level bar (1), the recess is embedded to have can be along the gliding vertical ruler (2) of level bar (1) vertical direction, and the degree of depth of recess is the same with the thickness of vertical ruler (2), vertical ruler (2) slide and locate on vertical ruler angle steel support (4), vertical ruler angle steel support (4) are fixed on level bar (1), be equipped with the second fastener that makes vertical ruler (2) fixed on vertical ruler support (4); the angle steel bracket (3) of the horizontal ruler and the 0 scale end of the vertical ruler (2) are positioned on the same side of the horizontal ruler (1).
2. The non-flat plate butt weld ultrasonic detection defect positioning scale according to claim 1, wherein the middle part of the level bar (1) is provided with a long strip-shaped hollow groove along the length direction; the first fastener comprises at least two groups of horizontal rule tightening bolts and fixing pieces corresponding to each group of horizontal rule tightening bolts, through holes are formed in the fixing pieces corresponding to the horizontal rule tightening bolts, threaded holes corresponding to the horizontal rule tightening bolts are formed in the horizontal rule angle steel support (3), and one end of each horizontal rule tightening bolt sequentially penetrates through the fixing pieces and the hollow grooves of the horizontal rules (1) and is in threaded connection with the threaded holes of the horizontal rule angle steel support (3).
3. The non-flat butt weld ultrasonic detection defect positioning scale according to claim 1, wherein the level angle steel support (3) is of an L-shaped structure, the level (1) is in sliding connection with the horizontal plane of the level angle steel support (3), and the vertical planes of the level (1) and the level angle steel support (3) form a right-angle plane.
4. The non-flat plate butt weld ultrasonic detection defect positioning scale according to claim 1, wherein the middle part of the vertical ruler (2) is provided with a long strip-shaped hollowed groove along the length direction thereof, the second fastener comprises a vertical ruler tightening bolt (2-3) and a fixing piece corresponding to the vertical ruler tightening bolt, the fixing piece corresponding to the vertical ruler tightening bolt (2-3) is provided with a threaded hole, the vertical ruler angle iron bracket (4) is provided with a through hole corresponding to the vertical ruler tightening bolt (2-3), and one end of the vertical ruler tightening bolt (2-3) sequentially penetrates through the vertical ruler angle iron bracket (4) and the hollowed groove of the vertical ruler (2) and is in threaded connection with the threaded hole of the fixing piece.
5. The ultrasonic detection defect positioning ruler of the non-flat butt weld according to claim 1, characterized in that the vertical ruler angle iron bracket (4) is of an L-shaped structure, the horizontal ruler (1) is fixedly connected with the horizontal plane of the vertical ruler angle iron bracket (4), and the vertical ruler (2) is slidably connected with the vertical plane of the vertical ruler angle iron bracket (4).
6. The non-flat plate butt weld ultrasonic detection defect positioning scale according to claim 1, characterized in that at least one level scale indicator is arranged on the level angle steel bracket (3), the level scale indicator is tightly attached to the side edge of the level (1), and the sharp corner at the tail end of the level scale indicator and the outer side of the vertical surface of the level angle steel bracket (3) are kept on the same vertical line.
7. The non-flat plate butt welding seam ultrasonic detection defect positioning scale as claimed in claim 1, characterized in that at least one vertical scale indicator is arranged at the end of the bottom surface of the horizontal ruler (1), the vertical scale indicator is tightly attached to the side edge of the vertical ruler (2), and the sharp angle of one end of the vertical scale indicator, which extends out of the vertical ruler (2), and the lower edge of the horizontal ruler (1) are kept on the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222284822.XU CN218099013U (en) | 2022-08-30 | 2022-08-30 | Non-flat plate butt welding seam ultrasonic detection defect positioning scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222284822.XU CN218099013U (en) | 2022-08-30 | 2022-08-30 | Non-flat plate butt welding seam ultrasonic detection defect positioning scale |
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| Publication Number | Publication Date |
|---|---|
| CN218099013U true CN218099013U (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222284822.XU Active CN218099013U (en) | 2022-08-30 | 2022-08-30 | Non-flat plate butt welding seam ultrasonic detection defect positioning scale |
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|---|---|
| CN (1) | CN218099013U (en) |
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2022
- 2022-08-30 CN CN202222284822.XU patent/CN218099013U/en active Active
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