CN115235385A - Steel pipe flatness full-length detection device and method - Google Patents

Steel pipe flatness full-length detection device and method Download PDF

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Publication number
CN115235385A
CN115235385A CN202210928342.4A CN202210928342A CN115235385A CN 115235385 A CN115235385 A CN 115235385A CN 202210928342 A CN202210928342 A CN 202210928342A CN 115235385 A CN115235385 A CN 115235385A
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China
Prior art keywords
light
steel pipe
cut
line scanning
scanning light
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CN202210928342.4A
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Chinese (zh)
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CN115235385B (en
Inventor
王守阳
张提
任世坤
王笃晶
杜慧峰
陈春波
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Jiangsu Jingyi Intelligent Control Technology Co ltd
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Jiangsu Jingyi Intelligent Control Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/26Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/27Measuring 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/08Control devices operated by article or material being fed, conveyed or discharged
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74Feeding, transfer, or discharging devices of particular kinds or types
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/24Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02Articles
    • B65G2201/0214Articles of special size, shape or weigh
    • B65G2201/0217Elongated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/02Control or detection
    • B65G2203/0208Control or detection relating to the transported articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/04Detection means
    • B65G2203/042Sensors

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  • 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 a device and a method for detecting the full length of steel pipe straightness, wherein a plurality of 3D line scanning light cutters are arranged, scanning light rays are emitted for measuring steel pipes on the diameter of a conveying wheel, a control system calculates according to profile information measured on the steel pipes and jumping information in the conveying process to obtain the full length of steel pipe straightness information, long-time work of workers in a severe environment of a steel mill is avoided, labor cost is reduced, and work efficiency is improved.

Description

Steel pipe flatness full-length detection device and method
Technical Field
The invention belongs to the field of seamless steel pipe production and manufacturing, and particularly relates to steel pipe flatness full-length detection equipment and method.
Background
At the present stage, the steel pipe flatness full-length detection has a market technology blank, in the modern information technology, the development of the technology is rapidly advanced, and the development and the calculation power of visual software meet the market requirements; as the metallurgical industry belongs to the basic industry and the field environment is complex, in the traditional steel pipe manufacturing enterprises, the detection of the full length of the straightness of the steel pipe still uses the human eye to observe, and the full length of the straightness of the steel pipe is a professional term and refers to the continuous straightness of the steel pipe from one end to the other end, which not only comprises the information of the straightness, but also comprises the information of the full length; due to factors such as the length, the diameter and the ambient light of the steel pipe, operators need abundant experience to visually detect the bending of the steel pipe, and the field working condition is poor (high noise, high dust, high temperature and high risk), the occupation ownership of employees is low, enterprises are difficult to invite people and leave people, and the production efficiency and the quality of products are further influenced; enterprises seek sustainable development, strongly support the research and development investment of high-end equipment, improve the product competitiveness, start from the root of problems, do technical demonstration and research, and are suitable for equipment for full-length detection of steel pipe straightness to be put into commercial use through more than 2 years of technical precipitation.
Disclosure of Invention
The invention aims to solve the technical problem of how to replace manual detection of the full length of the steel pipe straightness.
The invention is realized by the following technical scheme:
the utility model provides an equipment that steel pipe straightness leads to long detection, includes control system, detects the support, and the light is swept to transfer carriage, conveying module and a plurality of 3D line and is cut, is used for carrying the steel pipe the conveying module sets up on the transfer carriage, its characterized in that: the plurality of 3D line scanning light-cutting devices are arranged in the detection support and used for collecting the profile information of the steel pipe and the jumping information in the conveying process, and the control system obtains the steel pipe flatness full-length information through the profile information and the jumping information.
The device according to the preceding, characterized in that: still include the light and cut the fixed plate, the light cut the fixed plate set up in detect the support.
The device according to the preceding, characterized in that: the light is swept to a plurality of 3D lines and is cut including seven 3D lines, according to steel pipe direction of delivery the detection support is interior to set gradually a 3D line and sweep the light and cut, the light cuts the fixed plate, no. six 3D lines sweep the light and cut and No. seven 3D lines sweep the light and cut, wherein four diagonal angles of the light cuts the fixed plate are provided with No. two 3D lines respectively and sweep the light and cut, and No. three 3D lines sweep the light and cut, and No. four 3D lines sweep the light and cut and No. five 3D lines sweep the light and cut.
The device according to the preceding, characterized in that: the first 3D line scanning optical cut, the sixth 3D line scanning optical cut and the seventh 3D line scanning optical cut are used for detecting the jumping information of the steel pipe in the conveying process.
The device according to the preceding, characterized in that: the No. two 3D line scanning light-cutting, the No. three 3D line scanning light-cutting, the No. four 3D line scanning light-cutting with the No. five 3D line scanning light-cutting adjacent with between the axis that the 3D line scanning light-cutting is perpendicular arranges for detect the profile information of 360 degrees of steel pipe.
The device according to the preceding, characterized in that: the conveying module comprises a steel pipe conveying path formed by two groups of alloy roller sets in a V shape in a manner that two sides of the steel pipe conveying path are inclined, and a space is reserved between each alloy roller of each group of alloy roller sets.
The device according to the preceding, 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 device according to the preceding, characterized in that: the sensor at the inlet end of the conveying module is also used for detecting and sending the steel pipe entering signals, and the entering signals trigger the 3D line scanning light-cutting.
A method for detecting the flatness full length of a steel pipe is characterized by comprising the following steps:
step 1, an inlet sensor at the inlet of a conveying module detects that the head end of a steel pipe is fed in, a steel pipe entering signal is sent to a control system, and the control system sends a signal to trigger each 3D line scanning light cut to emit scanning light.
And 2, scanning light rays are emitted by four second 3D line scanning light-cuts, three third 3D line scanning light-cuts, four fourth 3D line scanning light-cuts and five fifth 3D line scanning light-cuts which are arranged at opposite angles on the light-cut fixing plate 2, and the circumferential profile information of the steel pipe is recorded.
And 3, sending out scanning light to detect the jumping information of the steel pipe in the conveying process by the first 3D line scanning light-cutting, the sixth 3D line scanning light-cutting and the seventh 3D line scanning light-cutting together.
And 4, after an 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 switch respectively sends the contour information and the jumping information to the control system, and the control system calculates the flatness full length information of the steel pipe according to the contour information and the jumping information.
The invention has the advantages that when the steel pipe flatness full length is detected, the steel pipe flatness full length can be accurately measured by measuring according to the principle of machine depth vision without manual detection, so that long-time work of workers in a 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 structural diagram of the steel pipe flatness full length detection apparatus of the present invention;
FIG. 2 is a front view of the apparatus for full length measurement of steel pipe straightness in accordance with the present invention;
fig. 3 is a schematic structural diagram of a light-section fixing plate according to the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
Examples
An apparatus for steel pipe flatness full length detection as shown in fig. 1-3, wherein the apparatus for steel pipe flatness full length detection comprises a control system, a detection support 13 and a transport support 14, and a plurality of 3D line sweep switches, wherein the 3D line sweep switches are capable of emitting structured light for steel pipe flatness full length detection; the light-cutting fixing plate 2 is arranged in the detection support 13, the four 3D line scanning light-cutting devices are respectively arranged at four opposite angle positions of the light-cutting fixing plate 2, scanning light rays are emitted towards the steel pipe and used for detecting the outline of the steel pipe, and the light-cutting device also comprises three 3D line scanning light-cutting devices arranged on the detection support 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 two groups of alloy roller sets 5 in a V shape in a way that two sides of the steel pipe conveying path are inclined, the V-shaped middle position formed by intersecting inclined surfaces of the alloy roller sets 5 on the two sides is used for conveying the steel pipe, each alloy roller of the alloy roller sets 5 is provided with an interval, the interval can enable scanning light rays emitted by 3D line scanning light cutting to directly irradiate the steel pipe, the conveying module 15 further 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 arranged at the inlet and outlet ends of the conveying module 15 and used for detecting the length of the steel pipe, wherein the sensor 61 at the inlet of the conveying module 15 is also used for detecting and sending a signal of the entering of the steel pipe to a control system and triggering the 3D linear scanning optical cutting.
Specifically, as shown in fig. 1, a first 3D line scan light-cut 1, a light-cut fixing plate 2, a sixth 3D line scan light-cut 3 and a seventh 3D line scan light-cut 4 are sequentially arranged in the conveying direction of the steel pipe, wherein a second 3D line scan light-cut 9, a third 3D line scan light-cut 10, a fourth 3D line scan light-cut 11 and a fifth 3D line scan light-cut 12 are respectively arranged on four opposite corners of the light-cut fixing plate 2; further, a first 3D line scanning light-cutting device 1, a sixth 3D line scanning light-cutting device 3 and a seventh 3D line scanning light-cutting device 4 are used for detecting the jumping degree of the steel pipe; the first 3D line scanning light-cut 1 is arranged close to the inlet end of the steel pipe, the cross section of scanning light emitted by the first 3D line scanning light-cut 1 is parallel to the inclined plane of the alloy roller set 5 on one side, the sixth 3D line scanning light-cut 3 and the seventh 3D line scanning light-cut 4 are sequentially arranged on the conveying path of the steel pipe in a staggered mode, the scanning light emitted by the sixth 3D line scanning light-cut 3 is parallel to the inclined plane of the alloy roller set 5 on one side, and the seventh 3D line scanning light-cut 4 is parallel to the inclined plane of the alloy roller set 5 on the other side; the second 3D line scanning light-cutting 9, the third 3D line scanning light-cutting 10, the fourth 3D line scanning light-cutting 11 and the fifth 3D line scanning light-cutting 12 on four opposite corners of the light-cutting fixing plate 2 are arranged in a mode that the axes of the adjacent 3D line scanning light-cutting are vertical, and the light-cutting fixing plate is used for detecting the 360-degree profile of the steel pipe.
The specific method for detecting the full length of the steel pipe flatness comprises the following steps:
step 1, a sensor 61 at the inlet of a conveying module 15 detects that the head end of a steel pipe is fed in, sends a steel pipe entering signal to a control system, and the control system sends a signal to trigger each 3D line scanning light-cut to emit scanning light.
And 2, scanning light rays are emitted by four second 3D line scanning light-cuts 9, three third 3D line scanning light-cuts 10, four fourth 3D line scanning light-cuts 11 and five fifth 3D line scanning light-cuts 12 which are arranged on the light-cut fixing plate 2 in opposite angles, and the circumferential profile information of the steel pipe is recorded.
And step 3, sending out scanning light to detect the jumping information of the steel pipe in the conveying process by 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 together.
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 cutter respectively sends the contour information and the jumping information to the control system, and the control system calculates according to the contour information and the jumping information to obtain the full-length flatness information of the steel pipe.
Particularly, the flatness full length information obtained through the contour information and the jitter information is obtained through fitting calculation based on a plurality of 3D line scanning light cutting depth information.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to explain the principles of the invention, and that various modifications and alterations can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims (9)

1. The utility model provides an equipment that steel pipe straightness length detected, includes control system, detects support (13), conveying support (14), and light is swept to conveying module (15) and a plurality of 3D line and is cut, is used for carrying the steel pipe conveying module (15) set up on conveying support (14), its characterized in that: the plurality of 3D line scanning light-cutting devices are arranged in the detection support (13) and used for collecting the profile information of the steel pipe and the jumping information in the conveying process, and the control system obtains the steel pipe flatness full-length information through the profile information and the jumping information.
2. The apparatus of claim 1, wherein: still include light and cut fixed plate (2), light is cut fixed plate (2) and is set up in detect support (13).
3. The apparatus of claim 2, wherein: 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 a 3D line in detection support (13) and sweep light and cut (1), light cuts fixed plate (2), no. six 3D lines are swept light and are cut (3) and No. seven 3D lines are swept light and cut (4), wherein be provided with No. two 3D lines respectively on four diagonal angles of light cutting fixed plate (2) and sweep light and cut (9), no. three 3D lines are swept light and are cut (10), no. four 3D lines are swept light and are cut (11) and No. five 3D lines are swept light and cut (12).
4. The apparatus of claim 3, wherein: the first 3D line scanning optical cut (1), the sixth 3D line scanning optical cut (3) and the seventh 3D line scanning optical cut (4) are used for detecting the jumping information of the steel pipe in the conveying process.
5. The apparatus of claim 3, wherein: no. two 3D line scanning light is cut (9), no. three 3D line scanning light is cut (10), no. four 3D line scanning light is cut (11) and No. five 3D line scanning light is cut (12) and is arranged with the mode that the axis of 3D line scanning light between adjacent is perpendicular for detect the profile information of 360 degrees of steel pipe.
6. The apparatus of claim 1, wherein: the conveying module (15) comprises a steel pipe conveying path which is formed by two groups of alloy roller sets (5) in a V shape in a way that two sides are inclined, and a space is reserved between each alloy roller of each group of alloy roller sets (5).
7. The apparatus of claim 1, wherein: and an inlet sensor (61) and an outlet sensor (6) for detecting the length of the steel pipe are distributed at the inlet end and the outlet end of the conveying module (15).
8. The apparatus of claim 7, wherein: the inlet sensor (61) at the inlet end of the conveying module (15) is also used for detecting and sending the steel pipe entering signal, and the entering signal triggers each 3D line scanning light-cutting.
9. A method for detecting the full length of the straightness of a steel pipe is characterized by comprising the following steps:
step 1, an inlet sensor (61) at an inlet of a conveying module (15) detects that the head end of a steel pipe is fed in, sends a steel pipe entering signal to a control system, and the control system sends a signal to trigger each 3D line scanning light-cut to emit scanning light;
step 2, scanning light is emitted by four second 3D line scanning light-cutting devices (9), three third 3D line scanning light-cutting devices (10), four fourth 3D line scanning light-cutting devices (11) and five third 3D line scanning light-cutting devices (12) which are arranged on the light-cutting fixing plate 2 in opposite angles, and the circumferential profile information of the steel pipe is recorded;
step 3, a first 3D line scanning light-cutting device (1), a sixth 3D line scanning light-cutting device (3) and a seventh 3D line scanning light-cutting device (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 scanning optical cut respectively sends the profile information and the jumping information to the control system, and the control system calculates the information of the full straightness of the steel pipe according to the profile information and the jumping information.
CN202210928342.4A 2022-08-03 2022-08-03 Equipment and method for detecting flatness and overall length of steel pipe Active CN115235385B (en)

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