CN115235385B - Equipment and method for detecting flatness and overall length of steel pipe - Google Patents
Equipment and method for detecting flatness and overall length of steel pipe Download PDFInfo
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- CN115235385B CN115235385B CN202210928342.4A CN202210928342A CN115235385B CN 115235385 B CN115235385 B CN 115235385B CN 202210928342 A CN202210928342 A CN 202210928342A CN 115235385 B CN115235385 B CN 115235385B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 80
- 239000010959 steel Substances 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 12
- 230000009191 jumping Effects 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 101100008044 Caenorhabditis elegans cut-1 gene Proteins 0.000 description 1
- 101100008047 Caenorhabditis elegans cut-3 gene Proteins 0.000 description 1
- 101100008048 Caenorhabditis elegans cut-4 gene Proteins 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
- B65G2201/0217—Elongated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0208—Control or detection relating to the transported articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides equipment and a method for detecting the flatness through length of a steel pipe, which are characterized in that a plurality of 3D lines are arranged for scanning light and cutting, scanning light is sent out for measuring the steel pipe on the diameter of a conveying wheel, and a control system calculates the flatness through length information of the steel pipe according to profile information measured on the steel pipe and jump information in the conveying process, so that long-time work of workers in severe environments of a steel mill is avoided, the labor cost is reduced, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the field of seamless steel tube production and manufacturing, and particularly relates to equipment and a method for detecting the flatness and the throughout length of a steel tube.
Background
In the current stage of steel pipe flatness full length detection, market technology blank exists, in modern information technology, technological development is rapid, and visual software development and calculation force meet market requirements; because the metallurgical industry belongs to basic industry and the field environment is complex, in the traditional steel pipe manufacturing enterprises, the detection of the straight through length of the steel pipe still uses the observation of human eyes, and the term of straight through length is a technical term, and refers to the continuous straight from one end to the other end of the steel pipe, which comprises both straight information and through length information; because of factors such as the length, the diameter, the ambient light and the like of the steel pipe, operators need abundant experience to visually detect the bending degree of the steel pipe, and the on-site working conditions are poor (high noise, high dust, high temperature and high danger), the occupational attribution of staff is low, enterprises face to be difficult to take and leave, and the production efficiency and the quality of products are further affected; enterprises seek sustainable development, support high-end equipment research and development investment greatly, promote product competitiveness, and from the problem root, make technical demonstration and research, pass through technical precipitation for more than 2 years, and are suitable for equipment for detecting the flatness of the steel pipe to put into business, and the core technical problem in the middle, namely how to detect the flatness of the steel pipe at one time is extremely important under the condition that the production beat and the arbitrary slight jump of the steel pipe are not influenced, and needs to be well solved.
Disclosure of Invention
The invention aims to solve the technical problem of how to replace manual detection of the straightness and the throughout length of the steel pipe.
The invention is realized by the following technical scheme:
the utility model provides a steel pipe straightness leads to equipment that length detected, includes control system, detects the support, carries module and a plurality of 3D line to sweep light and cut, is used for carrying the steel pipe carry module setting is in on carrying the support, its characterized in that: the plurality of 3D lines are arranged in the detection support in a scanning manner and are used for collecting contour information of the steel pipe and jumping information in the conveying process, and the control system obtains the flatness throughout length information of the steel pipe through the contour information and the jumping information.
The apparatus according to the foregoing, characterized in that: the light cutting fixing plate is arranged in the detection bracket.
The apparatus according to the foregoing, characterized in that: the light is swept to a plurality of 3D lines and is cut including seven 3D lines and sweep the light and cut, according to steel pipe direction of delivery set gradually No. 3D line in the detection support sweep the light and cut, the light is cut the fixed plate, no. six 3D lines sweep the light and cut and No. seven 3D lines sweep the light and cut, wherein No. two 3D lines sweep the light and cut, no. three 3D lines sweep the light and cut, no. four 3D lines sweep the light and cut and No. five 3D lines sweep the light and cut on four diagonals of the light and cut the fixed plate respectively.
The apparatus according to the foregoing, characterized in that: the first 3D line is used for scanning the light, and the sixth 3D line is used for scanning the light and the seventh 3D line is used for detecting the jumping information of the steel pipe in the conveying process.
The apparatus according to the foregoing, characterized in that: the light is swept to No. two 3D lines, no. three 3D lines are swept to cut, no. four 3D lines sweep to cut with No. five 3D lines sweep to cut with adjacent between 3D lines sweep to cut the axis vertically mode arrangement for detect 360 degrees profile information of steel pipe.
The apparatus according to the foregoing, characterized in that: the conveying module comprises a steel pipe conveying path which is formed by two combined gold roller groups with two sides inclined in a V shape, and a space is arranged between each alloy roller of each alloy roller group.
The apparatus according to the foregoing, characterized in that: and sensors for detecting the length of the steel pipe are arranged at the two ends of the inlet and the outlet of the conveying module.
The apparatus according to the foregoing, characterized in that: the sensor at the inlet end of the conveying module is further used for detecting and sending the steel pipe entering signals, and the entering signals trigger the 3D line to sweep and cut.
The method for detecting the flatness through length of the steel pipe is characterized by comprising the following steps of:
step 1, an inlet sensor at the inlet of the conveying module detects that the head end of the steel pipe is sent in, a steel pipe entering signal is sent to a control system, and the control system sends the signal to trigger each 3D line to sweep light and cut to emit scanning light.
And 2, scanning light is emitted by the fourth 3D line scanning light and the fifth 3D line scanning light on the light cutting fixing plate 2, and circumferential profile information of the steel pipe is recorded.
And 3, scanning light rays are emitted by the first 3D line scanning light rays, and the sixth 3D line scanning light rays and the seventh 3D line scanning light rays together to detect the jumping information of the steel pipe in the conveying process.
And 4, after the outlet sensor at the outlet of the conveying module detects that the tail end of the steel pipe is sent out, each 3D scanning optical cut respectively sends the profile information and the jump information to the control system, and the control system calculates the flatness throughout length information of the steel pipe according to the profile information and the jump information.
The invention has the advantages that when the straight length of the steel pipe is detected, the detection is not needed by manpower at all, the accurate measurement of the straight length of the steel pipe can be realized by measuring based on the principle of machine depth vision, the long-time work of workers in the severe environment of a steel mill is avoided, the labor cost is reduced, and the accuracy and the efficiency of the work are improved.
Drawings
FIG. 1 is a diagram of an apparatus for detecting the flatness and the overall length of a steel pipe according to the present invention;
FIG. 2 is a front view of the device for detecting the flatness through length of the steel pipe;
fig. 3 is a schematic structural view of the light-cutting fixing plate of the present invention.
Detailed Description
The invention is further illustrated below with reference to examples.
Examples
The device for detecting the straight through length of the steel pipe comprises a control system, a detection support 13, a conveying support 14 and a plurality of 3D line light sweeping and cutting devices, wherein the 3D line light sweeping and cutting devices can emit structural light and are used for detecting the straight through length of the steel pipe; the light cutting fixing plate 2 is arranged in the detection bracket 13, four 3D line light scanning and cutting devices are arranged at four diagonal positions of the light cutting fixing plate 2, and emit scanning light towards the steel pipe for detecting the outline of the steel pipe, and the light cutting device further comprises three 3D line light scanning and cutting devices arranged on the detection bracket 13 and used for detecting the jumping degree of the steel pipe in the conveying process; the conveying support 14 is provided with a conveying module 15, the conveying module 15 comprises a steel pipe conveying path formed by inclining two combined gold roller groups 5 at two sides to form a V shape, the middle position of the V shape formed by crossing inclined planes of the alloy roller groups 5 at two sides is used for conveying the steel pipe, each alloy roller of the alloy roller group 5 is provided with a space, the space can enable scanning light emitted by 3D line scanning light cutting to directly irradiate on the steel pipe, the conveying module 15 also comprises a linear guide rail 7, and a calibration block 8 can move on the conveying module 15 through the linear guide rail 7 and is used for depth calibration of the 3D line scanning light cutting; sensors are provided at both the inlet and outlet ends of the transport module 15 for detecting the length of the steel pipe, wherein the sensor 61 at the inlet of the transport module 15 is also used for detecting and sending a signal of the steel pipe entry to the control system for triggering the 3D line sweep cut.
Specifically, as shown in fig. 1, a first 3D line light-sweeping cut 1, a light-sweeping cut fixing plate 2, a sixth 3D line light-sweeping cut 3 and a seventh 3D line light-sweeping cut 4 are sequentially arranged according to the conveying direction of the steel pipe, wherein a second 3D line light-sweeping cut 9, a third 3D line light-sweeping cut 10, a fourth 3D line light-sweeping cut 11 and a fifth 3D line light-sweeping cut 12 are respectively arranged on four opposite angles of the light-sweeping cut fixing plate 2; further, a first 3D line is scanned, a sixth 3D line is scanned, a third 3D line is scanned, and a seventh 3D line is scanned, a fourth 3D line is scanned, and a fourth 4D line is scanned, and used for detecting the jumping degree of the steel pipe; the first 3D line light scanning cutter 1 is arranged near the inlet end of the steel pipe, the cross section of scanning light emitted by the first 3D line light scanning cutter is parallel to the inclined plane of the alloy roller group 5 on one side, the sixth 3D line light scanning cutter 3 and the seventh 3D line light scanning cutter 4 are sequentially and alternately arranged on the conveying path of the steel pipe, the scanning light emitted by the sixth 3D line light scanning cutter 3 is parallel to the inclined plane of the alloy roller group 5 on one side, and the scanning light emitted by the seventh 3D line light scanning cutter 4 is parallel to the inclined plane of the alloy roller group 5 on the other side; the light is cut the fixed plate 2 on four diagonals No. two 3D line and is swept light and cut 9, no. three 3D line is swept light and is cut 10, no. four 3D line is swept light and is cut 11 and No. five 3D line are swept light and cut 12 and sweep the perpendicular mode of axis of light and cut with the 3D line between the adjacent for detect 360 degrees outlines of steel pipe.
The specific method for detecting the straightness and the throughout length of the steel pipe comprises the following steps:
step 1, a sensor 61 at the inlet of the conveying module 15 detects that the head end of the steel pipe is fed in, and sends a steel pipe entering signal to the control system, and the control system sends a signal to trigger each 3D line to sweep light and cut to emit scanning light.
And 2, scanning light rays are emitted by a second 3D line scanning light cutter 9, a third 3D line scanning light cutter 10, a fourth 3D line scanning light cutter 11 and a fifth 3D line scanning light cutter 12 which are arranged on the light cutting fixing plate 2 in four opposite angles, and circumferential profile information of the steel pipe is recorded.
And 3, a first 3D line is scanned, a sixth 3D line is scanned, a third 3D line is scanned, a fourth 3D line is scanned, a third 4D line is scanned, and the jumping information of the steel pipe in the conveying process is detected.
And 4, after the sensor 6 at the outlet of the conveying module 15 detects that the tail end of the steel pipe is sent out, each scanning light cut respectively sends the profile information and the jump information to the control system, and the control system calculates according to the profile information and the jump information to obtain the flatness throughout length information of the steel pipe.
It is specifically proposed that the flatness through length information is obtained by fitting based on a plurality of 3D line sweep depth information.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be appreciated by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the invention, and that simple modifications and substitutions by those skilled in the art are within the scope of the invention without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a steel pipe straightness leads to equipment that length detected, includes control system, detects support (13), carries support (14), and transport module (15) and a plurality of 3D line sweep light and cut, is used for carrying steel pipe transport module (15) set up on carrying support (14), its characterized in that: the plurality of 3D line light scanning cutters are arranged in the detection bracket (13) and are used for collecting contour information of the steel pipe and jumping information in the conveying process, and the control system obtains the steel pipe flatness throughout length information through the contour information and the jumping information;
and the first 3D line scanning light cutting (1), the sixth 3D line scanning light cutting (3) and the seventh 3D line scanning light cutting (4) in the plurality of 3D line scanning light cutting are used for detecting the jumping information of the steel pipe in the conveying process.
2. The apparatus according to claim 1, wherein: the light cutting device further comprises a light cutting fixing plate (2), and the light cutting fixing plate (2) is arranged in the detection support (13).
3. The apparatus according to claim 2, characterized in that: the light is swept to a plurality of 3D lines and is cut including seven 3D lines and sweep light and cut, according to steel pipe direction of delivery set gradually one number 3D line in detecting support (13) sweep light and cut (1), light is cut fixed plate (2), no. six 3D lines sweep light and cut (3) with No. seven 3D lines sweep light and cut (4), wherein four diagonals of light cut fixed plate (2) are provided with No. two 3D lines respectively and sweep light and cut (9), no. three 3D lines sweep light and cut (10), no. four 3D lines sweep light and cut (11) and No. five 3D lines sweep light and cut (12).
4. A device according to claim 3, characterized in that: no. two 3D line is swept and is cut (9), no. three 3D line is swept and is cut (10), no. four 3D line is swept and is cut (11) with No. five 3D line is swept and is cut (12) with the adjacent between 3D line sweeps the perpendicular mode of axis that the light was cut for detect 360 degrees profile information of steel pipe.
5. The apparatus according to claim 1, wherein: the conveying module (15) comprises a steel pipe conveying path which is formed by two combined gold roller groups (5) in a V shape by inclining at two sides, and a space is arranged between each alloy roller of each alloy roller group (5).
6. The apparatus according to claim 1, wherein: inlet sensors (61) and outlet sensors (6) for detecting the length of the steel pipe are distributed at the two ends of the inlet and the outlet of the conveying module (15).
7. The apparatus according to claim 6, wherein: the inlet sensor (61) at the inlet end of the conveying module (15) is further used for detecting and sending the steel pipe entering signals, and the entering signals trigger the 3D line scanning light cutting.
8. The method for detecting the flatness through length of the steel pipe is characterized by comprising the following steps of:
step 1, an inlet sensor (61) at the inlet of a conveying module (15) detects that the head end of a steel pipe is fed, and sends a steel pipe entering signal to a control system, and the control system sends a signal to trigger each 3D line to sweep, cut and emit scanning light;
step 2, scanning light rays are emitted from four diagonally arranged second 3D line scanning light cuts (9), third 3D line scanning light cuts (10), fourth 3D line scanning light cuts (11) and fifth 3D line scanning light cuts (12) on the light cutting fixing plate 2, and circumferential profile information of the steel tube is recorded;
step 3, a first 3D line light scanning cutter (1), a sixth 3D line light scanning cutter (3) and a seventh 3D line light scanning cutter (4) jointly send scanning light to detect the jumping information of the steel pipe in the conveying process;
and 4, after an outlet sensor (6) at the outlet of the conveying module (15) detects that the tail end of the steel pipe is sent out, each 3D line is scanned, the profile information and the jump information are respectively sent to the control system, and the control system calculates the flatness and length information of the steel pipe according to the profile information and the jump information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210928342.4A CN115235385B (en) | 2022-08-03 | 2022-08-03 | Equipment and method for detecting flatness and overall length of steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210928342.4A CN115235385B (en) | 2022-08-03 | 2022-08-03 | Equipment and method for detecting flatness and overall length of steel pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115235385A CN115235385A (en) | 2022-10-25 |
| CN115235385B true CN115235385B (en) | 2024-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210928342.4A Active CN115235385B (en) | 2022-08-03 | 2022-08-03 | Equipment and method for detecting flatness and overall length of steel pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN115235385B (en) |
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| Publication number | Publication date |
|---|---|
| CN115235385A (en) | 2022-10-25 |
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