CN215953853U - Online wall thickness measuring device of large-specification steel pipe - Google Patents
Online wall thickness measuring device of large-specification steel pipe Download PDFInfo
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- CN215953853U CN215953853U CN202122203341.7U CN202122203341U CN215953853U CN 215953853 U CN215953853 U CN 215953853U CN 202122203341 U CN202122203341 U CN 202122203341U CN 215953853 U CN215953853 U CN 215953853U
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- thickness measuring
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 37
- 239000010959 steel Substances 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000005570 vertical transmission Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009683 ultrasonic thickness measurement Methods 0.000 description 1
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Abstract
The utility model relates to an online wall thickness measuring device for large-size steel pipes, which comprises a driving motor, wherein the output end of the driving motor is connected with a fixed support, a transmission screw rod is vertically arranged on the fixed support, an upper slide block and a lower slide block are arranged on the transmission screw rod, an opening and closing upper arm and an opening and closing lower arm are respectively arranged on the upper slide block and the lower slide block, the end parts of the opening and closing upper arm and the opening and closing lower arm are respectively provided with an upper laser distance sensor and a lower laser distance sensor, and the upper laser distance sensor and the lower laser distance sensor are oppositely arranged. The on-line wall thickness measuring device for the large-size steel pipe can conveniently detect the wall thickness of the steel pipe or plate with a large specification range, and greatly improves the detection efficiency.
Description
Technical Field
The utility model relates to an online wall thickness measuring device for large-sized steel pipes, which is mainly used in steel enterprises and belongs to the technical field of metallurgical machinery.
Background
When steel enterprises produce large-sized steel pipes, the steel pipes are heated, penetrated, sawed and cooled by pipe blanks, and the steel pipes on the steel pipes are packaged and collected after finishing. After the steel pipe is sawed by the abrasive wheel saw, a small amount of burrs are formed on the inner and outer contours.
At present, the wall thickness is mainly detected by measuring instruments such as calipers, and the method has the main defects of large measurement error caused by human factors, high labor intensity and low efficiency.
With the continuous development of scientific technology and the continuous improvement of industrial production requirements, methods and means for nondestructive testing are also continuously enriched and developed, and mainstream testing means comprise eddy current thickness measurement, X-ray thickness measurement, ultrasonic thickness measurement and electromagnetic thickness measurement. The existing equipment conditions need to be measured on the conveying chain in real time, and measurement data are returned in real time, so that the wall thickness detection equipment is not available in the market at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an online wall thickness measuring device for large-size steel pipes in the prior art, which can conveniently detect the wall thickness of steel pipes or plates with larger specification range and greatly improve the detection efficiency.
The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides an online wall thickness measuring device of big specification steel pipe, it includes driving motor, the connection of driving motor output is provided with the fixed bolster, be provided with the transmission lead screw along vertical on the fixed bolster, be provided with top shoe and lower slider on the transmission lead screw, be provided with the upper arm that opens and shuts and the underarm that opens and shuts respectively on top shoe and the lower slider, the upper arm that opens and shuts and the underarm tip that opens and shuts are provided with laser distance sensor and laser distance sensor down respectively, go up laser distance sensor and laser distance sensor mutual disposition down.
Optionally, the upper opening-closing arm and the lower opening-closing arm are made of aluminum alloy.
Optionally, a servo motor is arranged at the top of the fixed support, and the output end of the servo motor is connected with the transmission screw rod.
Optionally, the transmission screw rod adopts a positive screw rod and a negative screw rod.
Optionally, the leads of the positive and negative rotation directions of the transmission screw rod are the same.
Optionally, the whole fixed bolster that is the L type, the fixed bolster of L type include vertical board and horizontal plate, driving motor is fixed to be set up in the vertical board outside, the transmission lead screw sets up in the horizontal plate inboard.
Optionally, the measuring range of the upper laser distance sensor is 50-150 mm, and the resolution is 0.004 mm.
Optionally, the range of the lower laser distance sensor is 40-80 mm, and the resolution is 0.002 mm.
Optionally, the measuring device is mounted on a truss or a mechanical device.
Compared with the prior art, the utility model has the advantages that:
1. the utility model can conveniently detect the wall thickness of the steel pipe or the plate with a larger specification range, thereby greatly improving the detection efficiency;
2. according to the utility model, the laser ranging sensor is extended into the steel pipe for measurement, so that the influence of burrs and flashes generated by sawing the end part of the steel pipe on the detection result is avoided;
3. the efficiency and the error of the measurement are not influenced by manual operation, and the measurement precision is effectively ensured;
4. the utility model has simple structure, convenient manufacture and low investment cost.
Drawings
FIG. 1 is a schematic structural diagram of an on-line wall thickness measuring device for large-sized steel pipes.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a side view of fig. 1.
Wherein:
drive motor 1
Fixed support 2
Open-close lower arm 7
Upper laser distance sensor 8
Lower laser distance sensor 9
Reinforcing plate 11
A steel pipe 12.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
Referring to fig. 1 to 3, the on-line wall thickness measuring device for large-sized steel pipes comprises a driving motor 1, wherein an output end of the driving motor 1 is connected with a fixed support 2, a transmission screw rod 3 is vertically arranged on the fixed support 2, an upper slider 4 and a lower slider 5 are arranged on the transmission screw rod 3, an opening and closing upper arm 6 and an opening and closing lower arm 7 are respectively arranged on the upper slider 4 and the lower slider 5, an upper laser distance sensor 8 and a lower laser distance sensor 9 are respectively arranged at the end parts of the opening and closing upper arm 6 and the opening and closing lower arm 7, and the upper laser distance sensor 8 and the lower laser distance sensor 9 are oppositely arranged;
the upper laser distance sensor 8 and the lower laser distance sensor 9 are respectively fixed with the opening-closing upper arm 6 and the opening-closing lower arm 7 through screws;
the upper opening and closing arm 6 and the lower opening and closing arm 7 are made of aluminum alloy;
the upper opening-closing arm 6 and the lower opening-closing arm 7 are respectively fixed with the upper sliding block 4 and the lower sliding block 5 through screws;
the top of the fixed support 2 is provided with a servo motor 10, and the output end of the servo motor 10 is connected with the transmission screw rod 3; the servo motor 10 has a brake function and is provided with an encoder to ensure that the original distance between the opening and closing upper arm and the opening and closing lower arm is controllable and readable;
the transmission screw rod 3 adopts a positive screw rod and a negative screw rod, and the leads of the positive rotation direction and the negative rotation direction of the transmission screw rod 3 are the same, so that the movement distances of the opening and closing upper arm and the opening and closing lower arm are consistent;
the whole fixed support 2 is L-shaped, the L-shaped fixed support 2 comprises a vertical plate 21 and a horizontal plate 22, the driving motor 1 is fixedly arranged on the outer side of the vertical plate 21, and the transmission screw rod 3 is arranged on the inner side of the horizontal plate 22;
the bottom of the L-shaped fixed support 2 is provided with a reinforcing plate 11;
the measuring range of the upper laser distance sensor 8 is 50-150 mm, and the resolution is 0.004 mm;
the measuring range of the lower laser distance sensor 9 is 40-80 mm, and the resolution is 0.002 mm;
the measuring device is mounted on a truss or a mechanical device (such as a robotic arm).
The measuring method comprises the following steps:
when a steel pipe is conveyed by a measuring traverse chain, a lower opening and closing arm is stretched into the steel pipe under the action of a truss or a mechanical device, an upper opening and closing arm is positioned outside the steel pipe, the rotation center of a driving motor is coincided with the center of the steel pipe, the center of a laser distance sensor is coincided with the diameter of the steel pipe, a servo motor drives a positive screw rod and a negative screw rod to enable the upper opening and closing arm and the lower opening and closing arm to be folded towards the middle, when numerical values are displayed at the centers of two laser distance sensors which are opposite up and down, the sum B + C of the numerical values of the laser distance sensors which are opposite up and down is subtracted from the original distance A between the upper opening and closing arm and the lower opening and closing arm, and a group of wall thickness parameters H of the steel pipe can be calculated;
and then, the motor is driven to rotate for a certain angle, a next set of data is measured, the motor is rotated for multiple angles according to the process requirements, multiple sets of data are measured, and the average value of the multiple sets of data is finally calculated to obtain the final wall thickness result.
In addition, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides an online wall thickness measuring device of big specification steel pipe which characterized in that: it includes driving motor (1), driving motor (1) output is connected and is provided with fixed bolster (2), vertical transmission lead screw (3) that is provided with is followed on fixed bolster (2), be provided with slider (4) and lower slider (5) on transmission lead screw (3), be provided with respectively on slider (4) and lower slider (5) and open and shut upper arm (6) and open and shut down arm (7), open and shut upper arm (6) and open and shut down arm (7) tip and be provided with laser distance sensor (8) and lower laser distance sensor (9) respectively, go up laser distance sensor (8) and lower laser distance sensor (9) mutual disposition.
2. The large-specification steel pipe online wall thickness measuring device according to claim 1, wherein: the upper opening-closing arm (6) and the lower opening-closing arm (7) are made of aluminum alloy.
3. The large-specification steel pipe online wall thickness measuring device according to claim 1, wherein: the top of the fixed support (2) is provided with a servo motor (10), and the output end of the servo motor (10) is connected with the transmission screw rod (3).
4. The large-specification steel pipe online wall thickness measuring device according to claim 1, wherein: the transmission screw rod (3) adopts a positive screw rod and a negative screw rod.
5. The large-specification steel pipe online wall thickness measuring device according to claim 4, wherein: the lead of the transmission screw rod (3) in the positive and negative rotation directions is the same.
6. The large-specification steel pipe online wall thickness measuring device according to claim 1, wherein: the whole L-shaped fixed support (2) comprises a vertical plate (21) and a horizontal plate (22), the driving motor (1) is fixedly arranged on the outer side of the vertical plate (21), and the transmission screw rod (3) is arranged on the inner side of the horizontal plate (22).
7. The large-specification steel pipe online wall thickness measuring device according to claim 1, wherein: the measuring range of the upper laser distance sensor (8) is 50-150 mm, and the resolution is 0.004 mm.
8. The large-specification steel pipe online wall thickness measuring device according to claim 1, wherein: the measuring range of the lower laser distance sensor (9) is 40-80 mm, and the resolution is 0.002 mm.
9. The large-specification steel pipe online wall thickness measuring device according to claim 1, wherein: the measuring device is mounted on a truss or a mechanical device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122203341.7U CN215953853U (en) | 2021-09-13 | 2021-09-13 | Online wall thickness measuring device of large-specification steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122203341.7U CN215953853U (en) | 2021-09-13 | 2021-09-13 | Online wall thickness measuring device of large-specification steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215953853U true CN215953853U (en) | 2022-03-04 |
Family
ID=80429199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122203341.7U Active CN215953853U (en) | 2021-09-13 | 2021-09-13 | Online wall thickness measuring device of large-specification steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215953853U (en) |
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2021
- 2021-09-13 CN CN202122203341.7U patent/CN215953853U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An online wall thickness measurement device for large-sized steel pipes Granted publication date: 20220304 Pledgee: Bank of Jiangsu Limited by Share Ltd. Wuxi branch Pledgor: JIANGSU HUANXIN MACHINERY ENGINEERING CO.,LTD. Registration number: Y2024980013184 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |