CN214372111U - Measuring tool for surface damage size of small-diameter pipe - Google Patents
Measuring tool for surface damage size of small-diameter pipe Download PDFInfo
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- CN214372111U CN214372111U CN202120554483.5U CN202120554483U CN214372111U CN 214372111 U CN214372111 U CN 214372111U CN 202120554483 U CN202120554483 U CN 202120554483U CN 214372111 U CN214372111 U CN 214372111U
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Abstract
The utility model discloses a measuring tool for surface damage size of a small diameter pipe, which comprises a depth ruler, a circumference ruler and two axial rulers, wherein the lower end of the depth ruler is fixed on the circumference ruler, the end parts of the two axial rulers are connected with the circumference ruler and the depth ruler, and the axes of the two axial rulers are on the same straight line; the end part of the depth rod penetrates through the depth scale, the axis of the axial scale is perpendicular to the axis of the depth scale and the axis of the depth rod, and the measuring tool can accurately measure the size of the small-diameter pipe in the depth direction, the axial direction and the circumferential direction.
Description
Technical Field
The utility model belongs to the nondestructive test field relates to a path pipe surface damage measuring tool for size.
Background
The small-diameter tube is an important part of a boiler, and the tube has surface damage such as blowing damage, collision and abrasion, abrasion and the like when the unit runs for a long time.
After the surface of the pipe is damaged, the existing tool can only measure the damage size in one axial direction for the size measurement of the damaged part, particularly, the damage size in the depth direction and the circumferential direction is difficult to measure, the measurement result is very inaccurate, and the misjudgment on the damage degree is often caused.
Therefore, in consideration of the current situation of measurement, a measuring tool for the surface damage size of the small-diameter pipe needs to be provided, the damage size of the small-diameter pipe can be accurately measured in the depth direction, the circumferential direction and the axial direction, and the accuracy of judging the damage degree is greatly improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a path pipe measuring tool for surface damage size, this measuring tool can be at the size of degree of depth, axial and the three direction accurate measurement path pipe of circumference.
In order to achieve the above object, the measuring tool for surface damage size of small diameter pipe of the present invention comprises a depth gauge, a circumference gauge and two axial gauges, wherein the lower end of the depth gauge is fixed on the circumference gauge, the end parts of the two axial gauges are connected with the circumference gauge and the depth gauge, and the axes of the two axial gauges are on the same straight line; the end part of the depth rod penetrates through the depth ruler, and the axis of the axial ruler is perpendicular to the axis of the depth ruler and the axis of the depth rod.
The axial ruler is connected with the circumferential ruler and the depth ruler through a 90-degree folding connecting piece.
The depth gauge is fixed on the circumferential gauge through a fixing bolt.
The locking bolt is inserted into the depth gauge and then contacts with the depth rod to connect the depth gauge with the depth rod.
The adjusting range of the depth rod is 0-20 mm.
The inner arc surface of the circumference ruler is in a semicircular structure.
And scale marks are arranged on the side surface of the circumferential ruler.
The device also comprises a fixed magnet 6 for fixing the circumferential ruler on the outer surface of the small-diameter pipe to be detected.
The diameter of the inner arc surface of the circumference ruler is 28mm-159 mm.
The depth rod is of a rod-shaped structure.
The utility model discloses following beneficial effect has:
when the measuring tool for the surface damage size of the small-diameter pipe is used for specific operation, the circumferential ruler is fixed in the circumferential direction of the surface damage part of the small-diameter pipe, the depth ruler is positioned at the position with the maximum damage depth, the depth rod is moved, and the damage depth is measured through the depth ruler; calculating the circumferential size of the small-diameter pipe through the reading of the circumferential ruler; the axial rulers on two sides are unfolded, the axial size of the small-diameter pipe is calculated through the degree of the axial rulers, the size of the small-diameter pipe is accurately measured in the three directions of depth, axial direction and circumferential direction, and then the accuracy of damage degree judgment is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
wherein, 1 is the depth chi, 2 is the depth pole, 3 is the locking bolt, 4 is the axial chi, 5 is the circumference chi, 6 is fixed magnet, 7 is 90 folding connecting piece, 8 is fixing bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1 and 2, the measuring tool for the surface damage size of the small diameter pipe of the present invention includes a depth gauge 1, a circumference gauge 5 and two axial gauges 4, wherein the lower end of the depth gauge 1 is fixed on the circumference gauge 5, the end portions of the two axial gauges 4 are connected to the circumference gauge 5 and the depth gauge 1, and the axes of the two axial gauges 4 are on the same straight line; the end of the depth rod 2 passes through the depth gauge 1, and the axial line of the axial gauge 4 is perpendicular to the axial line of the depth gauge 1 and the axial line of the depth rod 2.
Specifically, the depth gauge 1 is fixed on the circumferential gauge 5 through a fixing bolt 8; the locking bolt 3 is inserted into the depth gauge 1 and then contacts with the depth rod 2 to connect the depth gauge 1 with the depth rod 2. The utility model discloses still including being used for being fixed in the fixed magnet 6 of the path outside of tubes surface that awaits measuring with circumference chi 5.
The adjusting range of the depth rod 2 is 0-20 mm; the inner arc surface of the circumference ruler 5 is of a semicircular structure; scale marks are arranged on the side surface of the circumferential ruler 5; the diameter corresponding to the intrados of the circumference ruler 5 is 28mm-159 mm.
The depth gauge 1 is fixed on the symmetrical center line of the circumferential gauge 5 through 4 fixing bolts 8, the center line of the depth gauge 1 is superposed with the center line of the circumferential gauge 5, and the lower end face of the depth gauge 1 is flush with the inner arc face of the circumferential gauge 5.
The depth rod 2 is of a special-shaped structure, and the lower side of the depth rod 2 is of a rod-shaped structure with the length of 20mm and the diameter of 1 mm.
The axial ruler 4 is fixed on the lower sides of the central lines of the depth ruler 1 and the circumferential ruler 5 through a 90-degree folding connecting piece 7 and is flush with the inner cambered surface of the depth ruler 1.
The utility model discloses a concrete use does:
1) selecting measuring devices with the same specification according to the diameter of the small-diameter pipe;
2) the circumferential ruler 5 is fixed on the circumferential direction of the damaged part on the surface of the small-diameter pipe through the fixed magnet 6, and the depth ruler 1 is positioned at the position with the maximum damage depth;
3) the depth rod 2 is moved downwards, and the damage depth is measured through the depth gauge 1;
4) calculating the circumferential size of the small-diameter pipe through the reading of the inner arc scale of the circumferential ruler 5;
5) and (4) unfolding the axial rulers 4 at the two sides, and calculating the axial size of the small-diameter pipe through the degrees of the two axial rulers 4.
Claims (10)
1. A measuring tool for the surface damage size of a small-diameter pipe is characterized by comprising a depth ruler (1), a circumferential ruler (5) and two axial rulers (4), wherein the lower end of the depth ruler (1) is fixed on the circumferential ruler (5), the end parts of the two axial rulers (4) are connected with the circumferential ruler (5) and the depth ruler (1), and the axes of the two axial rulers (4) are on the same straight line; the end part of the depth rod (2) penetrates through the depth ruler (1), and the axis of the axial ruler (4) is vertical to the axis of the depth ruler (1) and the axis of the depth rod (2).
2. The tool for measuring the surface damage size of the small-diameter pipe according to claim 1, wherein the axial ruler (4) is connected with the circumferential ruler (5) and the depth ruler (1) through a 90-degree folding connecting piece (7).
3. The tool for measuring the surface damage size of the small-diameter pipe according to claim 1, wherein the depth gauge (1) is fixed to the circumferential gauge (5) by a fixing bolt (8).
4. The tool for measuring the surface damage size of the small-diameter pipe according to claim 1, wherein the locking bolt (3) is inserted into the depth gauge (1) and then contacts with the depth rod (2) to connect the depth gauge (1) and the depth rod (2).
5. The tool for measuring the surface damage size of the small-diameter pipe according to claim 1, wherein the depth rod (2) is adjusted within a range of 0 to 20 mm.
6. The tool for measuring the surface damage size of the small-diameter pipe according to claim 1, wherein the intrados surface of the circumferential ruler (5) has a semicircular structure.
7. The tool for measuring the surface damage size of the small-diameter pipe according to claim 1, wherein the circumferential scale (5) is provided with scale marks on a side surface thereof.
8. The tool for measuring the damage size of the surface of the small-diameter pipe according to claim 1, further comprising a fixing magnet (6) for fixing the circumferential ruler (5) to the outer surface of the small-diameter pipe to be measured.
9. The tool for measuring the surface damage size of the small-diameter pipe according to claim 1, wherein the corresponding diameter of the intrados of the circumferential ruler (5) is 28mm to 159 mm.
10. The tool for measuring the surface damage size of a small-diameter pipe according to claim 1, wherein the depth rod (2) has a rod-like structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120554483.5U CN214372111U (en) | 2021-03-17 | 2021-03-17 | Measuring tool for surface damage size of small-diameter pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120554483.5U CN214372111U (en) | 2021-03-17 | 2021-03-17 | Measuring tool for surface damage size of small-diameter pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214372111U true CN214372111U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120554483.5U Active CN214372111U (en) | 2021-03-17 | 2021-03-17 | Measuring tool for surface damage size of small-diameter pipe |
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| CN (1) | CN214372111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719719A (en) * | 2022-06-08 | 2022-07-08 | 中国二十二冶集团有限公司 | Curved surface defect depth measuring device |
-
2021
- 2021-03-17 CN CN202120554483.5U patent/CN214372111U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719719A (en) * | 2022-06-08 | 2022-07-08 | 中国二十二冶集团有限公司 | Curved surface defect depth measuring device |
| CN114719719B (en) * | 2022-06-08 | 2022-09-09 | 中国二十二冶集团有限公司 | Curved surface defect depth measuring device |
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