CN219736238U - Pipe body roundness detection radian ruler - Google Patents
Pipe body roundness detection radian ruler Download PDFInfo
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- CN219736238U CN219736238U CN202320903022.3U CN202320903022U CN219736238U CN 219736238 U CN219736238 U CN 219736238U CN 202320903022 U CN202320903022 U CN 202320903022U CN 219736238 U CN219736238 U CN 219736238U
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- sliding rod
- bar scale
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000011326 mechanical measurement Methods 0.000 description 1
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- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a tube roundness detection radian ruler which comprises an arc ruler body, a first sliding rod ruler, a second sliding rod ruler and a third sliding rod ruler, wherein the first sliding rod ruler, the second sliding rod ruler and the third sliding rod ruler are all arranged on the arc ruler body in an adjustable mode, the first sliding rod ruler, the second sliding rod ruler and the third sliding rod ruler point to the circle center of the arc ruler body, the second sliding rod ruler is located between the first sliding rod ruler and the third sliding rod ruler and is identical to the first sliding rod ruler and the second sliding rod ruler in interval, and reference scales are arranged on the surfaces of the first sliding rod ruler, the second sliding rod ruler and the third sliding rod ruler. The utility model has the advantages that the roundness detection can be carried out on the pipe bodies with different pipe diameter specifications through the radian ruler, and the operation is very simple and convenient.
Description
Technical Field
The utility model relates to the technical field of mechanical measurement, in particular to a tube roundness detection radian ruler.
Background
Roundness factors affecting the pipe body include: the sharp curvature changes such as weld seam excess height, pucker of the weld seam area, misplaced edges and straight edges on two sides of the weld seam, concave and convex of pipe ends or pipe bodies except the weld seam. The manual arc welding method for pipeline butt welding work is slowly replaced by automatic girth welding equipment, the high-standard butt welding process has higher and higher requirements on the roundness of the pipeline ends, and the roundness problem of the pipeline body is more and more controversial.
For the measurement of the local roundness data of the pipe end, the most effective method in the existing various measurement methods is to use an arc plate and a feeler gauge for measurement. The measuring method is directly affected by manual manipulation, and has large error of numerical results and complicated process. And a large pile of radian plates are often manufactured according to different specifications and sizes of the pipe body, so that the management difficulty is high and the manufacturing cost is high. Therefore, no matter the online product or the ex-warehouse product of the pipe body and the pipeline construction site, the roundness measurement and inspection work needs a special tool which can be repeatedly used for the pipe bodies with various specifications instead of various types.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a pipe roundness detection radian ruler, so that equipment can measure roundness of products of different types.
The utility model provides a tube roundness detection radian ruler, which comprises an arc ruler body, a first sliding rod ruler, a second sliding rod ruler and a third sliding rod ruler, wherein the first sliding rod ruler, the second sliding rod ruler and the third sliding rod ruler are all arranged on the arc ruler body in an adjustable mode, the first sliding rod ruler, the second sliding rod ruler and the third sliding rod ruler point to the circle center of the arc ruler body, the second sliding rod ruler is positioned between the first sliding rod ruler and the third sliding rod ruler, the distance between the second sliding rod ruler and the first sliding rod ruler is the same, and reference scales are arranged on the surfaces of the first sliding rod ruler, the second sliding rod ruler and the third sliding rod ruler.
Preferably, the surface of the circular arc ruler body is fixedly provided with three sliding blocks, the three sliding blocks are uniformly distributed on the circular arc ruler body, sliding holes are formed in the surfaces of the sliding blocks, the first sliding rod scale, the second sliding rod scale and the third sliding rod scale are respectively penetrated in the sliding holes of the sliding blocks, fixing holes are formed in the side surfaces of the sliding blocks, the fixing holes are communicated with the sliding holes, and fixing bolts are screwed in the fixing holes.
Preferably, one ends of the first slide bar scale, the second slide bar scale and the third slide bar scale, which point to the circle center of the circular arc ruler body, are arranged in a cone shape.
Preferably, the surface of the second slide bar scale is also provided with an adjusting scale, and the scale value of the adjusting scale is matched with the diameter size of the circular arc ruler body.
Preferably, the diameter size of the circular arc ruler body is 1400mm, the scale value range of the adjusting scale on the surface of the second slide bar ruler is 1400mm-2500mm, the precision of the adjusting scale is set to be 4mm, and the scale value of the adjusting scale gradually increases from one conical end of the second slide bar ruler to the other end of the second slide bar ruler.
Preferably, the scale value range of the reference scale is 0mm-570mm, and the precision of the reference scale is set to be 1mm.
Preferably, the fixing bolt is fixedly provided with a handle.
From the above description of the utility model, the utility model has the following advantages:
1. the first slide bar scale, the second slide bar scale and the third slide bar scale are respectively and adjustably mounted with the circular arc ruler body, so that the circular arc ruler can detect roundness of the tube bodies of different models, the detection structure is accurate, and the operation is very simple and convenient.
2. The first slide bar scale, the second slide bar scale and the third slide bar scale are respectively penetrated in sliding holes of the sliding blocks, are screwed in the fixing holes through fixing bolts and are respectively connected with the first slide bar scale, the second slide bar scale and the third slide bar scale, so that the first slide bar scale, the second slide bar scale and the third slide bar scale are convenient to adjust and firm to fix.
3. One ends of the first slide bar scale, the second slide bar scale and the third slide bar scale, which point to the circle center of the circular arc ruler body, are arranged to be cone-shaped, so that the first slide bar scale, the second slide bar scale and the third slide bar scale can be fully contacted with the surface of the tube body during detection.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a pipe roundness detection radian ruler according to an embodiment;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the structure of an embodiment of the arc blade;
FIG. 4 is a schematic view of the structure of the slider and the fixing bolt of the embodiment;
FIG. 5 is a schematic view of the second slide bar scale of the embodiment;
fig. 6 is a partially enlarged view at B in fig. 5 of the embodiment.
Reference numerals: 1. a circular arc ruler body; 2. a first slide bar scale; 3. a second slide bar scale; 31. adjusting the scale; 4. a third slide bar scale; 41. a reference scale; 5. a slide block; 51. a slip hole; 52. a fixing hole; 53. a fixing bolt; 54. a handle.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear and obvious, the utility model is further described in detail below with reference to fig. 1-6 and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 and 2, the utility model discloses a tube roundness detection radian ruler, which comprises an arc ruler body 1, a first slide bar ruler 2, a second slide bar ruler 3 and a third slide bar ruler 4, wherein reference scales 41 are arranged along the length direction of the first slide bar ruler 2, the second slide bar ruler 3 and the third slide bar ruler 4, the scale value range of the reference scales 41 is 0mm-570mm, and the precision of the reference scales 41 is 1mm, so that the radian ruler has higher detection precision when the tube roundness detection is carried out, and the scale values of the reference scales 41 on the surfaces of the first slide bar ruler 2, the second slide bar ruler 3 and the third slide bar ruler 4 are gradually increased from one end pointing to the circle center of the arc ruler body 1 to the other end of the first slide bar ruler 2, the second slide bar ruler 3 and the third slide bar ruler 4.
Referring to fig. 1, 3 and 4, the diameter size of the circular arc ruler body 1 is 1400mm, the radian value of the circular arc ruler body 1 is 2 pi/3, three sliding blocks 5 are fixedly arranged on the same side surface of the circular arc ruler body 1, the three sliding blocks 5 are uniformly distributed on the circular arc ruler body 1, sliding holes 51 are formed in the surfaces of the three sliding blocks 5, the shape size of the sliding holes 51 is matched with the shape size of the cross sections of the first sliding rod ruler 2, the second sliding rod ruler 3 and the third sliding rod ruler 4, the first sliding rod ruler 2, the second sliding rod ruler 3 and the third sliding rod ruler 4 are respectively penetrated into the sliding holes 51 in the surfaces of the three sliding blocks 5, in addition, fixing holes 52 are formed in the side surfaces of the sliding blocks 5 and are communicated with the sliding holes 51, fixing bolts 53 are screwed in the fixing holes 52 of the sliding blocks 5, and after the relative positions of the first sliding rod 2, the second sliding rod 3 and the third sliding rod 4 and the sliding rod 5 are respectively adjusted, the fixing bolts 53 are moved to enable the sliding rods to respectively abut against the first sliding rod 2, the second sliding rod 3 and the third sliding rod 4, and the third sliding rod 4 to be fixed relative to the circular arc ruler 1; in addition, the handle 54 is fixedly arranged at one end of the fixing bolt 53, and the fixing bolt 53 is conveniently screwed by the handle 54, so that the position adjustment of the first slide bar scale 2, the second slide bar scale 3 and the third slide bar scale 4 is facilitated, and roundness measurement can be carried out on pipe bodies with different pipe diameters.
When the diameter size is smaller than 1400mm, the relative positions of the first slide bar scale 2, the second slide bar scale 3 and the third slide bar scale 4 and the circular arc scale body 1 are sequentially and respectively adjusted according to the diameter size of the pipe body, when the diameter size to be detected is 1300mm, the first slide bar scale 2, the second slide bar scale 3 and the third slide bar scale 4 are all adjusted to the position where the reference scale 41 is 100mm, and the handle 54 is screwed to enable the fixing bolt 53 to abut against the first slide bar scale 2, the second slide bar scale 3 and the third slide bar scale 4 respectively, so that the first slide bar scale 2, the second slide bar scale 3 and the third slide bar scale 4 are locked and fixed with the slide block 5.
After the first slide bar scale 2, the second slide bar scale 3 and the third slide bar scale 4 are adjusted, one ends of the first slide bar scale 2, the second slide bar scale 3 and the third slide bar scale 4, which point to the circle center of the circular arc ruler body 1, are respectively abutted against the outer surface of the tube body with the diameter dimension of 1300mm, so that whether gaps exist between the surface of the tube body and the first slide bar scale 2, the second slide bar scale 3 and the third slide bar scale 4 or whether protrusions exist on the surface of the tube body are found, and the circular arc ruler is used for detecting different parts of the surface of the tube body for multiple times, so that the integral detection of the roundness of the surface of the tube body is completed.
In order to enable the radian ruler to measure the roundness of the surface of a pipe body more accurately, one ends of the first slide bar ruler 2, the second slide bar ruler 3 and the third slide bar ruler 4, which are pointed to the circle center of the circular arc ruler body 1, are arranged to be cone-shaped, and when the roundness measurement is carried out on the surface of the pipe body, the one ends of the first slide bar ruler 2, the second slide bar ruler 3 and the third slide bar ruler 4, which are pointed to the circle center of the circular arc ruler body 1, can be ensured to be in direct contact with the surface of the pipe body to the greatest extent; and one ends of the first slide bar scale 2, the second slide bar scale 3 and the third slide bar scale 4, which point to the circle center of the circular arc ruler body 1, are arranged into a cone shape, so that the contact between the circular arc ruler body and the surface of the tube body is firmer, and the phenomenon that the first slide bar scale 2, the second slide bar scale 3 and the third slide bar scale 4 respectively move relative to the surface of the tube body when the roundness of the surface of the tube body is measured is avoided as much as possible.
Referring to fig. 1, 5 and 6, in order to make the radian ruler have a larger detection range, an adjusting scale 31 is further arranged on the other side surface of the second sliding rod ruler 3, the scale value range of the adjusting scale 31 is 1400mm-2500mm, the radian ruler can detect the roundness of a pipe body with the diameter of 1400mm-2500mm, and the accuracy of the adjusting scale 31 is set to be 4mm, so that the radian ruler has higher detection accuracy when detecting the roundness of the pipe body. When roundness detection is carried out on a pipe body with the diameter size of 1400mm-2500mm, the relative positions between the first slide bar scale 2 and the third slide bar scale 4 and the sliding block 5 are adjusted, so that the first slide bar scale 2 and the third slide bar scale 4 are adjusted to the position where the reference scale 41 is 0mm, and the handle 54 is screwed to enable the fixing bolt 53 to be in tight contact with the first slide bar scale 2 and the third slide bar scale 4 respectively; when the roundness of the pipe body with the diameter size of 1500mm is required to be detected, the second slide bar scale 3 is adjusted, so that the second slide bar scale 3 is adjusted to the position where the adjusting scale 31 is 1500mm, and the handle 54 is screwed to tightly prop the fixed bolt 53 against the second slide bar scale 3; finally, one ends of the first slide bar scale 2, the second slide bar scale 3 and the third slide bar scale 4, which point to the circle center of the circular arc ruler body 1, are respectively abutted against the outer surface of the tube body with the diameter dimension of 1500mm, so that whether gaps exist between the surface of the tube body and the first slide bar scale 2, between the second slide bar scale 3 and the third slide bar scale 4 or whether protrusions exist on the surface of the tube body are found, and the different positions of all angles of the surface of the tube body with the diameter dimension of 1500mm are detected for multiple times through the radian ruler, so that the integral detection of the roundness of the surface of the tube body is completed.
The specific implementation principle of the embodiment of the utility model is as follows: when the roundness detection is required to be carried out on the pipe body with the diameter dimension smaller than 1400mm, the position of the first slide bar scale 2, the position of the second slide bar scale 3 and the position of the third slide bar scale 4 are adjusted according to the diameter of the pipe body to be detected, so that the difference value between the diameter dimension 1400mm of the circular arc ruler body 1 and the scale value of the adjusted reference dimension is equal to the diameter dimension of the pipe body to be detected; and then, one ends of the first slide bar scale 2, the second slide bar scale 3 and the third slide bar scale 4, which point to the circle center of the circular arc ruler body 1, are abutted against the surface of the tube body, so that whether the surface of the tube body is protruded or not or whether gaps exist between the first slide bar scale 2, the second slide bar scale 3, the third slide bar scale 4 and the surface of the tube body are detected, and roundness detection is carried out on different positions of each angle of the surface of the tube body through the radian ruler, so that roundness detection of the whole surface of the tube body is completed.
When the roundness detection is required to be carried out on the pipe body with the diameter dimension larger than 1400mm, the positions of the first slide bar scale 2 and the second slide bar scale 3 are adjusted to the position with the reference dimension of 0mm, and the position of the third slide bar scale 4 is adjusted according to the diameter dimension of the pipe body to be detected, so that the scale value of the third slide bar scale 4 is adjusted to be equal to the diameter dimension of the pipe body to be detected by the adjustment scale 31; and then, abutting one ends of the first slide bar scale 2, the second slide bar scale 3 and the third slide bar scale 4, which point to the circle center of the circular arc ruler body 1, with the surface of the tube body, and carrying out roundness detection on different parts of each angle of the surface of the tube body through the same method by using the radian ruler, thereby completing the roundness detection of the whole surface of the tube body.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to cover various insubstantial modifications, either as applying the inventive concepts and technical solutions to the method or as applying them directly to other applications without modification, as well as all coming within the true scope of the utility model.
Claims (7)
1. A pipe body roundness detection radian chi, its characterized in that: including circular arc blade, first slide bar scale, second slide bar scale and third slide bar scale all adjustable setting are on the circular arc blade, the centre of a circle of directional circular arc blade of first slide bar scale, second slide bar scale and third slide bar scale, the second slide bar scale is located between first slide bar scale and the third slide bar scale to the interval is the same between first slide bar scale and the second slide bar scale, the surface of first slide bar scale, second slide bar scale and third slide bar scale all is provided with the benchmark scale.
2. The pipe body roundness detection radian scale of claim 1, wherein: the utility model discloses a sliding rule, including circular arc ruler body, first slide bar scale, second slide bar scale and third slide bar scale, circular arc ruler body fixed surface is provided with three slider, and three slider evenly distributed on the circular arc ruler body, the hole of sliding has been seted up on the surface of slider, first slide bar scale, second slide bar scale and third slide bar scale wear to establish respectively in the downthehole of sliding of each slider, the fixed orifices has been seted up to the side of slider, the fixed orifices is linked together with the hole of sliding, the fixing bolt has been twisted in the fixed orifices.
3. The pipe body roundness detection radian scale of claim 1, wherein: one ends of the first slide bar scale, the second slide bar scale and the third slide bar scale, which point to the circle center of the circular arc ruler body, are arranged in a cone shape.
4. The pipe body roundness detection radian scale of claim 1, wherein: the surface of the second slide bar ruler is also provided with an adjusting scale, and the scale value of the adjusting scale is matched with the diameter size of the circular arc ruler body.
5. The pipe body roundness detection radian scale of claim 4, wherein: the diameter size of the circular arc ruler body is 1400mm, the scale value range of the adjusting scale on the surface of the second slide bar ruler is 1400mm-2500mm, the accuracy of the adjusting scale is set to be 4mm, and the scale value of the adjusting scale gradually increases from one conical end of the second slide bar ruler to the other end of the second slide bar ruler.
6. The pipe body roundness detection radian scale of claim 4, wherein: the scale value range of the reference scale is 0mm-570mm, and the precision of the reference scale is set to be 1mm.
7. The pipe body roundness detection radian scale of claim 2, wherein: the handle is fixedly arranged on the fixing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903022.3U CN219736238U (en) | 2023-04-20 | 2023-04-20 | Pipe body roundness detection radian ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903022.3U CN219736238U (en) | 2023-04-20 | 2023-04-20 | Pipe body roundness detection radian ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219736238U true CN219736238U (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320903022.3U Active CN219736238U (en) | 2023-04-20 | 2023-04-20 | Pipe body roundness detection radian ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219736238U (en) |
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2023
- 2023-04-20 CN CN202320903022.3U patent/CN219736238U/en active Active
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