CN212806855U - Device for measuring height of weld leg at specified position of pipe-plate weld joint - Google Patents
Device for measuring height of weld leg at specified position of pipe-plate weld joint Download PDFInfo
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- CN212806855U CN212806855U CN202021724416.5U CN202021724416U CN212806855U CN 212806855 U CN212806855 U CN 212806855U CN 202021724416 U CN202021724416 U CN 202021724416U CN 212806855 U CN212806855 U CN 212806855U
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Abstract
The utility model relates to the field of weld seam measurement, and discloses a device for measuring the height of a weld leg at an appointed position of a pipe-plate weld seam, which comprises a main ruler, wherein the main ruler comprises a positioning edge and a measuring edge which are perpendicular to each other, the free end of the positioning edge is used as a reference positioning surface, and the measuring edge is parallel to the reference positioning surface; a welding height sliding rule and a support leg sliding rule are connected to the measuring edge in a sliding mode, wherein the welding height sliding rule is closer to the positioning edge; the sliding direction of the welding high slide rule is vertical to the reference positioning surface, and the welding high slide rule is provided with height scales; the sliding direction of the landing leg sliding ruler is parallel to the reference positioning surface and the measuring edge, width scales are arranged on the measuring edge along the sliding direction of the landing leg sliding ruler, and a sliding positioning device is configured for the landing leg sliding ruler. The utility model discloses simple manufacture, it is with low costs, survey buret-board welding seam assigned position fillet height swift, accurate, can directly obtain measured data.
Description
Technical Field
The utility model relates to a welding seam measuring device, especially a high measuring device of leg.
Background
At present, as shown in fig. 1, for a fillet weld of a steel plate and a pipe without a groove, the height dimension h of a weld leg on a tangent plane of the pipe and the steel plate is technically required to be measured and meet the requirement, but due to the structure and limitation, the surface a in fig. 1 cannot be directly found from the end part of the weld, so that only a steel plate ruler, a square and a welding inspection ruler are combined for indirect measurement, as shown in fig. 2. When the method is used for measurement, firstly, a steel plate ruler and a square ruler are adopted to position the intersection line position of the side A surface of the pipe and a welding seam, then position identification is carried out on the welding seam, and then a welding inspection ruler is adopted to measure the height of a welding leg at the identified position.
Chinese patent application CN103673824A published 3/26/2014 discloses a "double-base weld height measurement ruler and measurement method" which can be used for measuring the height of a weld overlay, but if the ruler is used for measuring the height of a tube-plate weld, the ruler is inconvenient to directly use due to lack of corresponding design for tube diameter positioning.
SUMMERY OF THE UTILITY MODEL
In order to improve the measurement accuracy and efficiency, the utility model aims to solve the technical problem that a pipe-plate welding seam assigned position leg height measuring device is provided.
The utility model provides a technical scheme that its technical problem adopted is: the device for measuring the height of the weld leg at the specified position of the pipe-plate weld joint comprises a main scale, wherein the main scale comprises a positioning edge and a measuring edge which are perpendicular to each other, the free end of the positioning edge is used as a reference positioning surface, and the measuring edge is parallel to the reference positioning surface; the measuring edge is connected with a welding high slide rule and a supporting leg slide rule which can slide relative to the measuring edge, wherein the welding high slide rule is closer to the positioning edge; the sliding direction of the welding high slide rule is vertical to the reference positioning surface, and height scales are arranged along the sliding direction of the welding high slide rule; the sliding direction of the landing leg sliding ruler is parallel to the reference positioning surface and the measuring edge, width scales are arranged along the sliding direction of the landing leg sliding ruler, and a sliding positioning device is configured for the landing leg sliding ruler.
The landing leg sliding ruler is directly connected with the measuring edge in a sliding mode, the width scales are arranged on the measuring edge, a width reading frame which is matched with the width scales and enables the width scales to be exposed is arranged on the landing leg sliding ruler, width reading lines are arranged on the outer side of the width reading frame, and the width reading lines correspond to the width scales and indicate the distance between the landing leg sliding ruler and the welding height sliding ruler.
The measuring edge is provided with a lock button groove, the support leg sliding ruler is provided with a threaded lock button hole, a lock button is connected in the threaded lock button hole in a threaded mode, and the lock button groove, the threaded lock button hole and the lock button jointly form the sliding positioning device.
The cross section of the sliding stroke section matched with the landing leg sliding ruler on the measuring edge is in an isosceles trapezoid shape, and a first dovetail groove matched with the landing leg sliding ruler is formed in the landing leg sliding ruler.
The welding height sliding rule is directly connected with the measuring edge in a sliding mode, a second dovetail groove is formed in the measuring edge, and the welding height sliding rule is a sliding block matched with the second dovetail groove.
The height scales are arranged on the welding height sliding ruler, corresponding welding height reading lines are arranged on the measuring edges, and the welding height reading lines and the height scale corresponding values represent the distance between the free end of the welding height sliding ruler and the reference positioning surface.
The free end of the high-welding slide rule close to the reference positioning surface is designed to be a sharp-angled end.
The utility model has the advantages that: the method has the advantages of simple manufacture, low cost, quick and accurate measurement and capability of directly obtaining measurement data.
Drawings
FIG. 1 is a schematic representation of a prior art tube-to-plate weld fillet height dimension h.
FIG. 2 is a schematic view of a prior art combination measuring tool for measuring tube-plate weld leg height.
Fig. 3 is a schematic structural diagram of the device for measuring the leg height at the specified position of the pipe-plate weld joint of the present invention.
Figure 4 is a front view of the main scale of figure 3.
Fig. 5 is a top view of fig. 4.
Fig. 6 is a schematic view of the section a-a in fig. 4.
Fig. 7 is a front view of the weld-high slide rule of fig. 3.
Fig. 8 is a front view of the leg slide of fig. 3.
Fig. 9 is a right side view of fig. 8.
Fig. 10 is a schematic diagram of the device for measuring the height of the fillet at the specified position of the pipe-plate weld joint according to the present invention.
FIG. 11 is a schematic illustration of the required measurement locations for a tube-to-plate weld.
FIG. 12 is a schematic view of measurement step 1 in the example.
FIG. 13 is a schematic view of the measurement step 2 in the example.
FIG. 14 is a schematic diagram of measurement steps 3 to 5 in the example.
Labeled as: 1-main scale, 2-welding high slide scale, 3-supporting leg slide scale, 4-lock button, 5-first dovetail groove, 6-second dovetail groove, 7-plate, 8-pipe, 10-datum positioning surface, 11-positioning edge, 12-measuring edge, 14-lock button groove, 20-height scale, 22-welding high reading line, 30-width scale, 31-width reading frame, 32-width reading line and 34-thread lock button hole. h-high leg.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 and 2, in the prior art, there is no measuring device directly used for measuring the height of the fillet at the designated position of the pipe-plate weld, and multiple operation steps are required for completing the corresponding measurement, and the precision is not high.
As shown in fig. 3 to 9, the device for measuring the height of the leg at the designated position of the pipe-plate weld joint of the present invention comprises a main scale 1, wherein the main scale 1 comprises a positioning edge 11 and a measuring edge 12 which are perpendicular to each other, the free end of the positioning edge 11 is used as a reference positioning surface 10, and the measuring edge 12 is parallel to the reference positioning surface 10; the welding height sliding ruler 2 and the support leg sliding ruler 3 are respectively connected with the measuring edge 12 in a sliding mode, the welding height sliding ruler 2 is closer to the positioning edge 11, the sliding direction of the welding height sliding ruler 2 is perpendicular to the reference positioning surface 10, the welding height sliding ruler 2 is provided with a height scale 20, the measuring edge 12 is provided with a corresponding welding height reading line 22, and the corresponding value of the welding height reading line 22 and the height scale 20 represents the distance between the free end of the welding height sliding ruler 2 and the reference positioning surface 10; the sliding direction of the landing leg sliding ruler 3 is parallel to the reference positioning surface 10 and the measuring edge 12, the width scales 30 are arranged on the measuring edge 12, a width reading frame 31 which is matched with the width scales 30 and enables the width scales 30 to be exposed is arranged on the landing leg sliding ruler 3, width reading lines 32 are arranged on the outer side of the width reading frame 31, and the width reading lines 32 correspond to the width scales 30 and indicate the distance between the landing leg sliding ruler 3 and the welding height sliding ruler 2.
The leg slide 3 is provided with a slide positioning device: the measuring edge 12 is provided with a lock button groove 14, the support leg sliding ruler 3 is provided with a threaded lock button hole 34, a lock button 4 is connected in the threaded lock button hole 34 in a threaded mode, the lock button groove 14, the threaded lock button hole 34 and the lock button 4 jointly form the sliding positioning device, and the lock button 4 is locked through the threaded lock button hole 34 and can fix the position of the support leg sliding ruler 3.
In order to improve the precision, the cross section of the sliding stroke section matched with the supporting leg sliding rule 3 on the measuring edge 12 is in an isosceles trapezoid shape, the supporting leg sliding rule 3 is provided with a first dovetail groove 5 matched with the supporting leg sliding rule, the measuring edge 12 is provided with a second dovetail groove 6, and the welding height sliding rule 2 is a sliding block matched with the second dovetail groove 6.
The free end of the welding high slide rule 2 close to the reference positioning surface 10 is designed to be a sharp-angled end, so that the contact area with a welding seam can be effectively reduced, more accurate positioning is facilitated, and accurate measurement and reading are facilitated.
Example (b):
as shown in fig. 10 to 14, the method of measuring the leg height at the specified position of the pipe-plate weld is applied.
Step 1: as shown in fig. 12, the bottom of the left positioning edge 11 of the main ruler 1 is leaned on the standard plane and laid flat, so that the reference positioning surface 10 is overlapped with the standard plane, the welded high slide rule 2 is slid downwards to the bottom, and whether the zero position of the welded high slide rule 2 is accurate or not is verified.
Step 2: as shown in fig. 13, the leg slide 3 is slid, and the distance between the leg slide 3 and the welding height slide 2 is adjusted to a desired value by the width reading, so that the leg slide 3 is locked.
And step 3: as shown in fig. 14, the main scale 1 is placed vertically to the axial direction of the pipe, the leg straight edge of the leg slide 3 is made to abut against the outer wall of the pipe, and the bottom edge of the main scale 1 is made to be flush with the surface of the steel plate.
And 4, step 4: as shown in fig. 14, the slide welding of the high slide rule 2 is performed until its tip end closely contacts the weld surface.
And 5: as shown in fig. 14, readings are taken on weld height slide 2.
The high detection of a certain project pipe fillet weld leg adopts the prior art and the utility model discloses the contrast of device.
Product conditions: the specification of the pipe is as follows: the outer diameter phi of the pipe is =80 mm, and the length L of the pipe is =1000 mm; the specification of the steel plate is as follows: thickness δ =30mm, length × width =1000mm × 400 mm; the product is in a horizontal position as shown in fig. 12.
The detection requirement is as follows: 1. the height h of a corner seam welding leg on a plane vertical to the steel plate and tangent to the pipe is more than or equal to 3mm (see figure 1); 2. 3 positions are measured on each welding line, and 6 points are measured on two sides.
Using the original measurement mode, a total of 6 measurement points takes about 15 minutes (not counting the product turnover time); meanwhile, the deviation caused by positioning deviation and marking thickness and the deviation of alignment during the measurement of the welding scale have influence on the measurement accuracy, and the actual measurement result is as follows:
the positions of the front sides of the welding seams 1, 2 and 3 are welded to be high: 4.5 mm; 4.5 mm; 4.2 mm;
welding height at positions 1, 2 and 3 on the back side of the welding seam: 3.7 mm; 4.0 mm; 4.5 mm.
Adopt the utility model discloses during actual measurement, 6 point total 3 minutes consuming time (it is consuming time not to count the product turn-over), the measuring result as follows:
the positions of the front sides of the welding seams 1, 2 and 3 are welded to be high: 3.5 mm; 3.3 mm; 3.4 mm;
welding height at positions 1, 2 and 3 on the back side of the welding seam: 3.2 mm; 3.7 mm; 3.5 mm.
The product positions 1, 2 and 3 are dissected, and the positions of the weld heights actually tangent to the edge of the pipe are directly measured as follows:
the positions of the front sides of the welding seams 1, 2 and 3 are welded to be high: 3.7 mm; 3.4 mm; 3.3 mm;
welding height at positions 1, 2 and 3 on the back side of the welding seam: 3.1 mm; 3.8 mm; 3.5 mm.
Data can know by the welding seam dissection, use the utility model discloses the measurement that the device was accomplished, its measuring error all is not more than 0.2mm, in assessing reading error range, satisfies the requirement. The detection accuracy and the detection efficiency are superior to those of the prior art.
Claims (7)
1. The device for measuring the height of the weld leg at the specified position of the pipe-plate weld joint is characterized in that: the measuring device comprises a main scale (1), wherein the main scale (1) comprises a positioning edge (11) and a measuring edge (12) which are perpendicular to each other, the free end of the positioning edge (11) is used as a reference positioning surface (10), and the measuring edge (12) is parallel to the reference positioning surface (10); the measuring edge (12) is connected with a welding height sliding ruler (2) and a supporting leg sliding ruler (3) which can slide relative to the measuring edge (12), wherein the welding height sliding ruler (2) is closer to the positioning edge (11); the sliding direction of the welding height sliding ruler (2) is vertical to the reference positioning surface (10), and height scales (20) are arranged along the sliding direction of the welding height sliding ruler (2); the sliding direction of the landing leg sliding ruler (3) is parallel to the reference positioning surface (10) and the measuring edge (12), width scales (30) are arranged along the sliding direction of the landing leg sliding ruler (3), and a sliding positioning device is configured for the landing leg sliding ruler (3).
2. The apparatus for measuring the leg height at a specified position of a pipe-plate weld according to claim 1, wherein: the landing leg sliding ruler (3) is directly connected with the measuring edge (12) in a sliding mode, the width scales (30) are arranged on the measuring edge (12), a width reading frame (31) which is matched with the width scales (30) and is exposed by the width scales (30) is arranged on the landing leg sliding ruler (3), width reading lines (32) are arranged on the outer side of the width reading frame (31), and the width reading lines (32) and the width scales (30) correspond to values to indicate the distance between the landing leg sliding ruler (3) and the welding height sliding ruler (2).
3. The apparatus for measuring the leg height at a specified position of a pipe-plate weld according to claim 2, wherein: the measuring edge (12) is provided with a lock button groove (14), the support leg sliding ruler (3) is provided with a threaded lock button hole (34), a lock button (4) is connected in the threaded lock button hole (34) in a threaded mode, and the lock button groove (14), the threaded lock button hole (34) and the lock button (4) jointly form the sliding positioning device.
4. The apparatus for measuring the leg height at a specified position of a pipe-plate weld according to claim 2, wherein: the cross section of a sliding stroke section matched with the supporting leg sliding ruler (3) on the measuring edge (12) is in an isosceles trapezoid shape, and a first dovetail groove (5) matched with the supporting leg sliding ruler (3) is formed in the supporting leg sliding ruler (3).
5. The apparatus for measuring the leg height at a specified position of a pipe-plate weld according to claim 1, 2, 3 or 4, wherein: the welding height sliding rule (2) is directly connected with the measuring edge (12) in a sliding mode, the measuring edge (12) is provided with a second dovetail groove (6), and the welding height sliding rule (2) is a sliding block matched with the second dovetail groove (6).
6. The apparatus for measuring the leg height at a specified position of a pipe-plate weld according to claim 5, wherein: the height scales (20) are arranged on the welding height sliding ruler (2), corresponding welding height reading lines (22) are arranged on the measuring edge (12), and the values corresponding to the welding height reading lines (22) and the height scales (20) represent the distance between the free end of the welding height sliding ruler (2) and the reference positioning surface (10).
7. The apparatus for measuring the leg height at a specified position of a pipe-plate weld according to claim 5, wherein: the free end of the high-welding sliding ruler (2) close to the reference positioning surface (10) is designed to be a sharp-angled end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021724416.5U CN212806855U (en) | 2020-08-18 | 2020-08-18 | Device for measuring height of weld leg at specified position of pipe-plate weld joint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021724416.5U CN212806855U (en) | 2020-08-18 | 2020-08-18 | Device for measuring height of weld leg at specified position of pipe-plate weld joint |
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| CN212806855U true CN212806855U (en) | 2021-03-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701594A (en) * | 2021-08-30 | 2021-11-26 | 广船国际有限公司 | Fillet weld fillet measuring method |
| CN115900492A (en) * | 2022-12-09 | 2023-04-04 | 南通海国机械有限公司 | Steel construction weld angle height detection chi |
-
2020
- 2020-08-18 CN CN202021724416.5U patent/CN212806855U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701594A (en) * | 2021-08-30 | 2021-11-26 | 广船国际有限公司 | Fillet weld fillet measuring method |
| CN113701594B (en) * | 2021-08-30 | 2023-10-13 | 广船国际有限公司 | Fillet weld leg measuring method |
| CN115900492A (en) * | 2022-12-09 | 2023-04-04 | 南通海国机械有限公司 | Steel construction weld angle height detection chi |
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