CN115060737A - Longitudinal edge flaw detection device for wide and thick plate - Google Patents
Longitudinal edge flaw detection device for wide and thick plate Download PDFInfo
- Publication number
- CN115060737A CN115060737A CN202210642393.0A CN202210642393A CN115060737A CN 115060737 A CN115060737 A CN 115060737A CN 202210642393 A CN202210642393 A CN 202210642393A CN 115060737 A CN115060737 A CN 115060737A
- Authority
- CN
- China
- Prior art keywords
- wide
- thick plate
- detected
- flaw detection
- thick
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention is suitable for the technical field of medium-width thick plate production lines, and provides a longitudinal edge flaw detection device for a wide and thick plate, which comprises: the laser reference substrate is used as a reference object for detecting the wide and thick plates; the detection assembly is used for detecting the position and the width of the wide and thick plate to be detected on the seat body assembly; the laser imaging mechanism is used for detecting the edge part of the wide and thick plate to be detected through laser imaging; the transmission assembly is used for driving the flaw detection probe to move according to the signal of the photoelectric recognition sensor communicated with the laser imaging mechanism so as to detect the flaw of the head edge and the two side edges of the wide and thick plate to be detected; through the laser grating shooting 2D and 3D shape imaging technology of the laser imaging mechanism, dynamic standard signals generated by light curtain symmetry are used for adjusting and controlling the flaw detection probe for dynamic regular and irregular moving wide and thick plates through an algorithm and a transmission component, and the problem that the existing full-automatic wide and thick plate flaw detector equipment has flaw detection blind areas for the head sides and the whole two side edge parts of the wide and thick plates to be detected is effectively solved.
Description
Technical Field
The invention belongs to the technical field of medium-width thick plate production lines, and particularly relates to a longitudinal edge flaw detection device for a wide and thick plate.
Background
In the rolling production process of the medium-wide and thick plates, in order to meet various flaw detection standards of the wide and thick plates in the world, particularly the standards of the most authoritative shell brand, Dadale and the like for manufacturing petroleum and natural gas pipelines in the world, the head, the tail and the longitudinal edge (within 5 MM) of the wide and thick plates for direct welding and submerged arc welding are required to have flat bottom holes of phi 1.6, and the factory standard for producing the wide and thick plates is that the defects of the wide and thick plates are within 5MM to 10MM of the two edges of the wide and thick plates and are less than the equivalent of the flat bottom holes of phi 2.
The edge of the full-automatic wide and thick plate flaw detector equipment at home and abroad is generally detected in a mechanical clamping pair mode, when the wide and thick plate reaches a detection position, the wide and thick plate stops, after the wide and thick plate is clamped by a double-edge detection mechanical rod (column), the wide and thick plate continues to move forward again, and a chuck column follows the shape of the plate edge to drive and position a probe at the detection part of the wide and thick plate.
The mechanism has the defects that the head and tail dead zones of the wide and thick plate are large, the requirements of pipeline steel on flaw detection of the head and tail dead zones and longitudinal edge dead zones cannot be met, and the head and the whole two sides of the wide and thick plate have flaw detection dead zones.
Disclosure of Invention
The embodiment of the invention aims to provide a longitudinal edge flaw detection device for a wide and thick plate, and aims to solve the problems that the existing full-automatic wide and thick plate flaw detector equipment cannot meet the flaw detection requirements of pipeline steel on head and tail and longitudinal edge dead zones, and the head and the whole two side edges of the wide and thick plate have flaw detection dead zones.
The embodiment of the invention is realized in such a way that the longitudinal edge part flaw detection device for the wide and thick plate comprises:
the base body assembly is used for placing the wide and thick plate to be detected and transporting the wide and thick plate to be detected;
the laser reference substrates are a plurality of and are all fixedly arranged on the laser reference substrates and used as reference objects to detect the wide and thick plates;
the detection assembly is arranged on the seat body assembly and is used for detecting the position and the width of the wide and thick plate to be detected on the seat body assembly;
the laser imaging mechanism is arranged on the transmission assembly and used for detecting the edge part of the wide and thick plate to be detected through laser imaging; and
and the transmission assembly is arranged on the base body assembly and used for driving the flaw detection probe to move according to the signal of the photoelectric recognition sensor communicated with the laser imaging mechanism so as to detect the flaw of the head edge and the two side edges of the wide and thick plate to be detected.
Preferably, the seat assembly includes:
a base; and
and the conveying rollers are arranged between every two adjacent laser reference substrates and are respectively installed on the base through a plurality of bearing seats.
Preferably, the detection assembly comprises:
the detection portal frame is fixed on the base;
the grating light curtain width measurement integrated group is arranged on the detection portal frame and is used for detecting the position of the wide and thick plate to be detected on the base and the width of the wide and thick plate to be detected; and
and the speed measuring wheel is arranged on the detection portal frame and is driven by the lifting cylinder.
Preferably, the transmission assembly comprises:
the flaw detection portal frame is fixed on the base;
the moving mechanism is used for driving the flaw detection probe to move to the head edge and the two side edges of the wide and thick plate to be detected; and
and the lifting mechanism is connected with the moving mechanism and the flaw detection probe, and is fixedly connected with the laser imaging mechanism.
Preferably, the laser imaging mechanism is communicated with a buzzer, when the laser imaging mechanism detects that the wide and thick plate to be detected is deformed and the concave-convex size exceeds more than or equal to 50mm (per meter), the buzzer buzzes, and the lifting mechanism drives the flaw detection probe to rise so as to protect the flaw detection probe.
Preferably, a differential proximity induction sensor is arranged on the flaw detection probe to ensure that the probe moves along the edge of the wide and thick plate.
According to the longitudinal edge flaw detection device for the wide and thick plate, provided by the embodiment of the invention, under the reference comparison of the laser reference substrate, the flaw detection probe is regulated and controlled through an algorithm and a transmission component by using a laser grating 2D and 3D imaging technology of a laser imaging mechanism and simultaneously utilizing a light curtain to symmetrically generate dynamic standard signals to dynamically and regularly move the wide and thick plate, so that the head edge and the whole two side edges of the wide and thick plate are detected without blind areas.
Drawings
Fig. 1 is a structural diagram of a longitudinal edge inspection apparatus for a wide and thick plate according to an embodiment of the present invention.
In the drawings: 1. a base assembly; 101. a base; 102. a conveying roller; 103. a bearing seat; 2. a detection component; 201. detecting a portal frame; 202. the grating light curtain width measurement integration groups; 203. a lifting cylinder; 204. a speed measuring wheel; 3. a laser reference substrate; 4. a transmission assembly; 401. a flaw detection portal frame; 402. a moving mechanism; 403. a lifting mechanism; 5. a laser imaging mechanism; 6. and (5) flaw detection probes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structural diagram of a longitudinal edge inspection apparatus for a wide and thick plate according to an embodiment of the present invention includes:
the base body assembly 1 is used for placing the wide and thick plate to be detected and transporting the wide and thick plate to be detected;
a plurality of laser reference substrates 3, which are fixedly mounted thereon and used as reference objects for detecting the wide and thick plates;
the detection component 2 is arranged on the seat body component 1 and is used for detecting the position and the width of the wide and thick plate to be detected on the seat body component 1;
the laser imaging mechanism 5 is arranged on the transmission component 4 and used for detecting the edge part of the wide and thick plate to be detected through laser imaging; and
and the transmission component 4 is arranged on the base body component 1 and used for driving the flaw detection probe 6 to move according to the signal of the photoelectric recognition sensor communicated with the laser imaging mechanism 5 so as to detect flaws on the head edges and the two side edges of the wide and thick plates to be detected.
In practical application, when the wide and thick plate to be detected reaches the detection assembly 2 at the uniform speed (controlled by a flaw detector main machine), the detection assembly 2 detects the position, the width and the speed of the wide and thick plate to be detected by referring to the laser reference substrate 3, and sends information to the transmission assembly 4 according to a time sequence, the transmission assembly 4 drives the laser imaging mechanism 5 to move, and then under the identification of the photoelectric identification sensor, the laser imaging mechanism 5 detects the edge of the wide and thick plate to be detected, and the flaw detection probe 6 is accurately guided to track.
As shown in fig. 1, as a preferred embodiment of the present invention, the seat assembly 1 includes:
a base 101; and
one conveying roller 102 is disposed between each two adjacent laser reference substrates 3, and the plurality of conveying rollers 102 are mounted on the base 101 through a plurality of bearing blocks 103.
In practical application of the embodiment, the conveying roller 102 is driven by an external driver to drive the wide and thick plate to be detected, which is arranged above the laser reference substrate 3, to move, and thus pass through the detection assembly 2, the laser imaging mechanism 5 and the flaw detection probe 6.
As shown in fig. 1, as another preferred embodiment of the present invention, the detecting unit 2 includes:
the detection gantry 201 is fixed on the base 101;
the grating light curtain width measurement integrated group 202 is installed on the detection portal frame 201 and used for detecting the position of the wide and thick plate to be detected on the base 101 and the width of the wide and thick plate to be detected; and
and the speed measuring wheel 204 is arranged on the detection portal frame 201, and the speed measuring wheel 204 is driven by the lifting cylinder 203.
In practical application of the present embodiment, when the wide and thick plate to be measured reaches the detection gantry 201, the lifting cylinder 203 drives the velocity measurement wheel 204 to automatically fall down to detect the velocity of the wide and thick plate to be measured, the grating light curtain width measurement integrated group 202 detects the position and the width of the wide and thick plate to be measured compared with the laser reference substrate 3, and sends the signal to the transmission assembly 4 according to a time sequence.
As shown in fig. 1, as another preferred embodiment of the present invention, the transmission assembly 4 includes:
the flaw detection portal frame 401 is fixed on the base 101;
the moving mechanism 402 is used for driving the flaw detection probe 6 to move to the head edge and the two side edges of the wide and thick plate to be detected; and
and the lifting mechanism 403 is connected with both the moving mechanism 402 and the flaw detection probe 6, and the lifting mechanism 403 is fixedly connected with the laser imaging mechanism 5.
In practical application, after the grating light curtain width measurement integrated group 202 sends a signal to the transmission assembly 4, the gantry 401 is probed before the wide and thick plate to be detected reaches, the moving mechanism 402 drives the flaw detection probe 6 to move to the head side and the two side edges of the wide and thick plate to be detected, and then under the identification of the photoelectric identification sensor, the laser imaging mechanism 5 detects the edge of the steel plate and accurately drives the flaw detection probe 6 to track.
As shown in FIG. 1, as another preferred embodiment of the present invention, the laser imaging mechanism 5 is in communication with a buzzer, when the laser imaging mechanism 5 detects that the deformation of the wide and thick plate to be detected exceeds not less than 50mm (per meter), the buzzer buzzes, and the lifting mechanism 403 drives the flaw detection probe 6 to rise to protect the flaw detection probe 6.
In practical application of the present embodiment, when the laser imaging mechanism 5 detects edge fuzz or other abnormal conditions of the wide and thick plate to be detected, the lifting mechanism 403 also rapidly drives the flaw detection probe 6 to ascend to protect the flaw detection probe 6; after the laser imaging mechanism 5 detects that the wide and thick plate to be detected finishes walking in an imaging mode, the flaw detection probe 6 is enabled to raise the head in real time according to the preparation instruction and transmits signals out.
As another preferred embodiment of the present invention, as shown in FIG. 1, the inspection probe 6 is provided with a differential proximity sensor to ensure that the probe moves along the edge of the wide and thick plate.
In a case of this embodiment, still be provided with nonmetal probe division board and air on the transmission assembly 4 and sweep the isolation, can effectively ensure the stability of surveying the wide and thick plate of high temperature.
The invention provides a longitudinal edge flaw detection device for a wide and thick plate, under the reference comparison of a laser reference substrate 3, by means of a laser grid shooting 2D and 3D image technology of a laser imaging mechanism 5, meanwhile, dynamic standard signals generated by light curtain symmetry are utilized to carry out adjustment and control on a flaw detection probe 6 through an algorithm and a transmission component 4, and the detection without blind areas on the head edge of the wide and thick plate and the whole two side edges is realized.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (6)
1. A longitudinal edge inspection device for wide and thick plates, characterized by comprising:
the seat body assembly is used for placing the wide and thick plate to be detected and transporting the wide and thick plate to be detected;
the laser reference substrates are multiple in number, are fixedly arranged on the laser reference substrates and are used as reference objects to detect the wide and thick plates;
the detection assembly is arranged on the seat body assembly and is used for detecting the position and the width of the wide and thick plate to be detected on the seat body assembly;
the laser imaging mechanism is arranged on the transmission assembly and used for detecting the edge part of the wide and thick plate to be detected through laser imaging; and
and the transmission assembly is arranged on the base body assembly and used for driving the flaw detection probe to move according to the signal of the photoelectric recognition sensor communicated with the laser imaging mechanism so as to detect the flaw of the head edge and the two side edges of the wide and thick plate to be detected.
2. The wide and thick plate longitudinal edge inspection device of claim 1, wherein the holder body assembly comprises:
a base; and
and the conveying rollers are arranged between every two adjacent laser reference substrates and are respectively installed on the base through a plurality of bearing seats.
3. The wide thick plate longitudinal edge inspection apparatus of claim 2, wherein the inspection assembly comprises:
the detection portal frame is fixed on the base;
the grating light curtain width measurement integrated group is arranged on the detection portal frame and is used for detecting the position of the wide and thick plate to be detected on the base and the width of the wide and thick plate to be detected; and
and the speed measuring wheel is arranged on the detection portal frame and is driven by the lifting cylinder.
4. The wide and thick plate longitudinal edge inspection device of claim 2, wherein the transmission assembly comprises:
the flaw detection portal frame is fixed on the base;
the moving mechanism is used for driving the flaw detection probe to move to the head edge and the two side edges of the wide and thick plate to be detected; and
and the lifting mechanism is connected with the moving mechanism and the flaw detection probe, and is fixedly connected with the laser imaging mechanism.
5. The longitudinal edge inspection device for the wide and thick plates according to claim 4, wherein the laser imaging mechanism is in communication with a buzzer, when the laser imaging mechanism detects that the wide and thick plate to be inspected is deformed and the unevenness exceeds more than or equal to 50mm (per meter), the buzzer buzzes, and the lifting mechanism drives the inspection probe to ascend to protect the inspection probe.
6. The longitudinal edge inspection device for the wide and thick plate according to claim 1, wherein a differential proximity sensor is arranged on the inspection probe to ensure that the probe moves along the edge of the wide and thick plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210642393.0A CN115060737A (en) | 2022-06-08 | 2022-06-08 | Longitudinal edge flaw detection device for wide and thick plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210642393.0A CN115060737A (en) | 2022-06-08 | 2022-06-08 | Longitudinal edge flaw detection device for wide and thick plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115060737A true CN115060737A (en) | 2022-09-16 |
Family
ID=83200051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210642393.0A Pending CN115060737A (en) | 2022-06-08 | 2022-06-08 | Longitudinal edge flaw detection device for wide and thick plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115060737A (en) |
-
2022
- 2022-06-08 CN CN202210642393.0A patent/CN115060737A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101219672B (en) | Non-contact type dynamic measuring method for wheel diameter based on laser and method thereof | |
| CN202614710U (en) | Energized conductor flaw detection device based on three-dimensional micrometric displacement mobile platform | |
| JPH02225702A (en) | Method and device for positioning transversing direction of member moving along railroad rail | |
| CN104384113A (en) | Automatic separation and detection device for idler wheels | |
| CN107179250B (en) | Detection method for flexural fatigue crack initiation process of submarine pipeline | |
| CN204788276U (en) | Mouth detecting system is pouted to longitudinal welded pipe welding seam based on laser scanning | |
| CN212540183U (en) | Rod surface defect on-line measuring system | |
| CN103693073A (en) | Contactless vehicle wheel diameter dynamical measuring device and method | |
| CN108819980B (en) | Device and method for online dynamic measurement of geometric parameters of train wheels | |
| KR101756263B1 (en) | Apparatus for detecting defect using rotational megnetic sensor | |
| CN109590751B (en) | Brake disc manufacturing system | |
| CN108844465B (en) | Online dynamic measurement device and measurement method for geometric parameters of train wheels | |
| CN102288677A (en) | Ultrasonic flaw detector for wind-driven power-generating rotary support bearing | |
| CN115060737A (en) | Longitudinal edge flaw detection device for wide and thick plate | |
| KR101358452B1 (en) | Apparatus for detecting defect of rolled coil | |
| CN218157610U (en) | Longitudinal edge flaw detection device for wide and thick plate | |
| CN104251885A (en) | Adjustment method of position deviation of welded pipe welding line and ultrasonic flaw detection dolly | |
| CN204294518U (en) | Roller automatic sorting checkout gear | |
| CN108839676B (en) | Online dynamic measurement device and measurement method for geometric parameters of train wheels | |
| CN115647079A (en) | Offline comprehensive plate shape detector and detection method | |
| CN113984885B (en) | Bearing ring full-surface eddy current testing equipment | |
| CN201051068Y (en) | Novel roller milling and cutting damage detection device | |
| CN111122696A (en) | Detect steel multichannel eddy current testing system | |
| JP7265139B2 (en) | Steel material surface layer inspection method and steel material surface layer inspection system | |
| CN209911289U (en) | Static eddy current flaw detection mechanical device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |