CN219448283U - Detection device for conveyer belt abrasion of belt conveyer - Google Patents
Detection device for conveyer belt abrasion of belt conveyer Download PDFInfo
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- CN219448283U CN219448283U CN202320546534.9U CN202320546534U CN219448283U CN 219448283 U CN219448283 U CN 219448283U CN 202320546534 U CN202320546534 U CN 202320546534U CN 219448283 U CN219448283 U CN 219448283U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model relates to a detection device for abrasion of a belt conveyor belt, in particular to the detection device for the abrasion of the belt conveyor belt in the industries of metallurgical mines, ports and piers, coal mining, storage logistics and the like, and belongs to the technical field of material conveying. The technical proposal is as follows: the image information of the conveyor belt bearing working face is acquired through a 3D structure light camera matched with the conveyor belt bearing working face, edge calculation is performed through a detection device, or image data uploaded to a cloud platform through a network is calculated, and early warning and alarming are given according to different abrasion conditions of the conveyor belt bearing working face. The 3D structure light camera is matched with the bearing working surface of the conveying belt (6), the 3D structure light camera faces the bearing working surface of the conveying belt, and image information of the conveying belt is collected and processed. The utility model applies the 3D structure light camera, performs on-site measurement, is convenient for equipment maintenance and fault monitoring, performs the same treatment aiming at different wear states, and has simple equipment, low cost and easy application.
Description
Technical Field
The utility model relates to a detection device for abrasion of a belt conveyor belt, in particular to the detection device for the abrasion of the belt conveyor belt in the industries of metallurgical mines, ports and piers, coal mining, storage logistics and the like, and belongs to the technical field of material conveying.
Background
The life of a belt conveyor mostly depends on the life of the conveyor belt, the normal service life of the conveyor belt depends on the wear condition of the conveyor belt, the damage of the conveyor belt mostly manifests as wear of the bearing working surface (i.e. the cover layer) and the edges, and the wear of the cover layer of the conveyor belt is mainly caused by the relative sliding of the conveyor material and the conveyor belt, the sweeper and the conveyor belt, the carrier roller and the conveyor belt, and the roller and the conveyor belt. The abrasion of the edge of the conveying belt is mainly the friction abrasion of the edge of the conveying belt and the frame when the conveying belt deviates. The cost of the conveyor belt is usually 30% -50% of the cost of the belt conveyor, and corresponding security measures are adopted to reduce the abrasion of the conveyor belt, prolong the service life of the conveyor belt, and have important significance for the normal operation of the belt conveyor and the reduction of maintenance cost.
The conveyer belt of the belt conveyer is usually made of rubber or rubber composite materials, the damage of the conveyer belt is mainly caused by phenomena such as material dragging, roller friction, metal object blocking, material gangue scratch and the like, the initial abrasion of the conveyer belt is caused by micro tearing, the initial condition of the surface micro abrasion appearance presents lip cracks, then the tongue cracks are presented after abrasion, the tongue cracks are the initial damage condition, and the conveyer belt is still a plane scratch; the length of the later tongue-shaped crack is continuously prolonged or the later tongue-shaped crack is repeatedly cut, and the tongue-shaped crack is a tongue-shaped crack thorn and is a three-dimensional scratch. Then the tongue-shaped cracks fall off, pits are formed on the surface of the conveyer belt, and as the abrasion time increases, a plurality of lip-shaped cracks, tongue-shaped cracks and pits are continuously and alternately formed, so that the surface of the conveyer belt is raised (dust, scraps for conveying materials, outdoor rain and snow muddy water and the like are stained), the surface area is increased, and the pit area is actually continuously prolonged and enlarged until the conveyer belt is finally broken and scrapped.
The abrasion detection of the conveyer belt of the prior art mainly comprises photoelectric detection, inaccurate detection, easy false detection and missed detection, and inconvenient equipment maintenance.
Disclosure of Invention
The utility model aims to provide a detection device for the abrasion of a conveyor belt of a belt conveyor, which adopts a 3D structure light camera, is accurate in detection, avoids false detection and missing detection, is convenient for equipment maintenance, is simple and easy to use, and is low in cost and easy to apply, so that the technical problems existing in the prior art are solved.
The technical scheme of the utility model is as follows:
the utility model provides a detection device of belt conveyor conveyer belt wearing and tearing, contains cylinder, upper idler, bearing roller support, groove type bearing roller, conveyer truss, conveyer belt and 3D structure light camera, sets up a plurality of bearing roller supports above the conveyer truss, sets up the groove type bearing roller on the bearing roller support, sets up a plurality of upper idlers below the conveyer truss, and the tip of conveyer truss is equipped with the cylinder, and the conveyer belt encircles upper idler, cylinder and groove type bearing roller and arranges; the 3D structure light camera is matched with the conveyor belt bearing working face, and the 3D structure light camera faces the conveyor belt bearing working face and collects and processes image information of the conveyor belt.
The 3D structure light cameras are multiple in number, are transversely arranged in groups and are arranged above the conveying belt.
The 3D structure light cameras are multiple groups, and image information of different positions of the conveying belt is collected respectively.
The 3D structure light camera is arranged above the roller of the conveyor, the surface of the conveyor belt is approximately horizontal and flat, and little material residue is left, so that the image shooting is facilitated. Or the 3D structure light camera is arranged behind the sweeper of the conveyor, and detects image information of the working face carried by the return conveying belt, and the working face carried by the conveying belt is free of materials so as to avoid the influence of the materials carried on the working face.
The 3D structured light camera is provided with a structured light source, and can detect in real time no matter how the light is in the daytime at night.
The image signals collected by the 3D structure light camera enter the detection device for processing, the detection device is internally provided with a memory, a CPU and a communication interface, the detection device is connected with the 3D structure light camera through a cable, and the detection device has an image processing function or is uploaded to an upper controller for processing through an image data network.
The utility model relates to a 3D structure light camera which is a known technology and is a system structure composed of a projector and a camera, can be integrated into a whole or can be arranged in a scattered way, the projector is used for projecting specific light information to the surface and the background of an object, the camera is used for collecting the light information, and the position, the depth and other information of the object are calculated according to the change of the light signal caused by the object, so that the whole three-dimensional space is restored. The structured light camera does not depend on the color and texture of the object, and adopts the method of actively projecting the known pattern to realize fast and robust matching characteristic points, thereby achieving the functions of high detection precision and wide application range. The current structured light cameras are mature products, have numerous brands, and the parameters are generally: the measuring range is 0.3-2.6 m, the visual field is 2110 x 1360 m, the detection precision is 0.1 mm, and the detection and installation requirements of the abrasion of the conveying belt of the belt conveyor are completely met.
The utility model collects the image information of the bearing working face of the conveyor belt through the 3D structure light camera matched with the bearing working face of the conveyor belt, performs edge calculation through the detection device, or performs calculation through the image data uploaded to the cloud platform through the network, and gives early warning and alarming according to different abrasion conditions of the bearing working face of the conveyor belt. The 3D structure light camera detects the abrasion condition (such as cracks, scratches, damages and the like) of the bearing working surface of the conveying belt, acquires three-dimensional information, performs qualitative and quantitative characterization evaluation on defects of the abrasion condition, and performs trend judgment of transverse belt breakage and longitudinal tearing on the abrasion condition of the bearing working surface of the conveying belt. The wear condition of the conveyor belt load-bearing surface is determined by the length of the tongue-shaped cracks and tongue-shaped thorns that occur in the conveyor belt load-bearing surface.
The utility model has the positive effects that: the 3D structure light camera is applied, detection is accurate, false detection and missing detection are avoided, equipment maintenance is convenient, equipment is simple, cost is low, and application is easy.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
in the figure: the device comprises a roller 1, an upper carrier roller 2, a carrier roller bracket 3, a groove carrier roller 4, a conveyor truss 5, a conveyor belt 6, a first 3D structure light camera 7, a first detection device 8, a second 3D structure light camera 9 and a second detection device 10.
Detailed Description
The utility model is further described by way of examples with reference to the accompanying drawings.
The utility model provides a detection device of belt conveyor conveyer belt wearing and tearing, contains cylinder 1, upper idler 2, bearing roller support 3, groove bearing roller 4, conveyer truss 5, conveyer belt 6 and 3D structure light camera, sets up a plurality of bearing roller supports 3 above the conveyer truss 5, sets up groove bearing roller 4 on the bearing roller support 3, sets up a plurality of upper idlers 2 below the conveyer truss 5, and the tip of conveyer truss 5 is equipped with cylinder 1, and conveyer belt 6 is arranged around upper idler 2, cylinder 1 and groove bearing roller 4; the 3D structure light camera is matched with the bearing working surface of the conveying belt 6, the 3D structure light camera faces the bearing working surface of the conveying belt 6, and image information of the conveying belt is collected and processed.
The number of the 3D structure light cameras is multiple, and the 3D structure light cameras are transversely arranged in groups and are arranged above the conveying belt 6.
The 3D structure light cameras are multiple groups, and image information of different positions of the conveying belt 6 is collected respectively.
In an embodiment, the 3D structured light camera includes a first 3D structured light camera 7 and a second 3D structured light camera 9, which are respectively connected to the first detection device 8 and the second detection device 10.
The first 3D structure light camera 7 is arranged above the roller of the conveyor, the surface of the conveyor belt is approximately horizontal and flat, and little material residue is left, so that the image shooting is facilitated; the second 3D structure light camera 9 is arranged behind a cleaner of the conveyor, detects image information of a working face borne by a return conveying belt, and the working face borne by the conveying belt is free of materials so as to avoid the influence of the materials borne on the working face.
The 3D structured light camera is provided with a structured light source, and can detect in real time no matter how the light is in the daytime at night.
The image signals collected by the 3D structure light camera enter the detection device for processing, the detection device is internally provided with a memory, a CPU and a communication interface, the detection device is connected with the 3D structure light camera through a cable, and the detection device has an image processing function or is uploaded to an upper controller for processing through an image data network.
The 3D structure light camera is connected with the detection device through a network communication line and a power line; the detection device is provided with a display and setting panel (which can be simply set on site or set by an upper controller or a cloud platform through network communication). The images shot by the 3D structured light camera are resolved, and early warning and alarm processing of the abrasion condition are carried out according to different duty ratios of the surface bulge of the conveying belt (different duty ratios of the bulge can be set according to requirements).
The detection device can perform edge calculation, perform three-dimensional cloud point analysis on the acquired image, and set the point cloud information quantity to be processed according to the requirement.
The utility model is non-contact detection, and can continuously and online detect.
The utility model only detects the abrasion condition of the bearing working surface of the conveyor belt, a plurality of detection points can be arranged on one conveyor according to the requirement, and the condition of each detection device can be monitored through network inspection.
The utility model adopts the coded structured light as the shooting light source, can ignore the reflected light and the refraction light on the surface of the conveyer belt and the interference light of the surrounding environment, namely, the condition of the conveyer belt can be detected by adopting the detection method and the detection device of the utility model no matter outdoors or indoors or in daytime or at night, and the method and the detection device are simple and convenient to test.
The 3D structure light camera detects the abrasion condition (crack, scratch, damage and the like) of the bearing working surface of the conveyor belt, acquires three-dimensional information, performs qualitative and quantitative characterization evaluation on the defect of the abrasion condition, and performs trend judgment of transverse belt breakage and longitudinal tearing on the abrasion condition of the bearing working surface of the conveyor belt. The wear condition of the conveyor belt load-bearing surface is determined by the length of the tongue-shaped cracks and tongue-shaped thorns that occur in the conveyor belt load-bearing surface.
For example: when the tongue-shaped cracks and the tongue-shaped thorns are detected to be 0.3 times of the thickness of the bearing working surface (rubber or rubber-plastic substances) of the conveyer belt, the conveyer belt is used as a scrapping warning standard, and only short-time light-load use of the conveyer belt is allowed at the moment; if the length of the tongue type crack and the tongue type thorn is 0.5 times of that of the work piece, the belt is stopped and replaced, and the occurrence of through cracks and rib undercut injuries is prevented, so that serious accidents such as belt breakage, tearing and the like are prevented.
The detection device is composed of electronic components, can be powered by a battery and a 12V or 5V power supply, is intrinsically safe, and can be applied to explosion-proof and explosion-proof occasions such as underground coal mines.
The detection device is provided with a CPU, a storage and network interface unit, can upload detection data in real time, can be connected with a cloud server, and can store and inquire fault data. Each group of detection devices are mutually independent and are in network communication, and when one detection device fails, the normal operation of other detection devices is not affected.
Claims (4)
1. The utility model provides a detection device of belt conveyor conveyer belt wearing and tearing which characterized in that: the novel automatic feeding device comprises a roller (1), an upper roller (2), a roller support (3), a groove-shaped roller (4), a conveyor truss (5), a conveyor belt (6) and a 3D structure light camera, wherein a plurality of roller supports (3) are arranged on the conveyor truss (5), the groove-shaped roller (4) is arranged on the roller support (3), a plurality of upper rollers (2) are arranged below the conveyor truss (5), the roller (1) is arranged at the end part of the conveyor truss (5), and the conveyor belt (6) is arranged around the upper roller (2), the roller (1) and the groove-shaped roller (4); the 3D structure light camera is matched with the bearing working surface of the conveying belt (6), faces the bearing working surface of the conveying belt (6), and collects and processes image information of the conveying belt.
2. The apparatus for detecting wear of a conveyor belt of a belt conveyor according to claim 1, wherein: the 3D structure light cameras are multiple in number and are transversely arranged in groups and are arranged above the conveying belt (6); the 3D structure light cameras are multiple groups, and image information of different positions of the conveying belt (6) is collected respectively.
3. The apparatus for detecting wear of a conveyor belt of a belt conveyor according to claim 1, wherein: the 3D structured light camera is mounted above the rollers of the conveyor.
4. The apparatus for detecting wear of a conveyor belt of a belt conveyor according to claim 1, wherein: the 3D structured light camera is installed behind a sweeper of the conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320546534.9U CN219448283U (en) | 2023-03-20 | 2023-03-20 | Detection device for conveyer belt abrasion of belt conveyer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320546534.9U CN219448283U (en) | 2023-03-20 | 2023-03-20 | Detection device for conveyer belt abrasion of belt conveyer |
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| CN219448283U true CN219448283U (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320546534.9U Active CN219448283U (en) | 2023-03-20 | 2023-03-20 | Detection device for conveyer belt abrasion of belt conveyer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116135744A (en) * | 2023-03-20 | 2023-05-19 | 北京众驰自动化设备有限公司 | Method and device for detecting abrasion of conveying belt of belt conveyor |
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2023
- 2023-03-20 CN CN202320546534.9U patent/CN219448283U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116135744A (en) * | 2023-03-20 | 2023-05-19 | 北京众驰自动化设备有限公司 | Method and device for detecting abrasion of conveying belt of belt conveyor |
| CN116135744B (en) * | 2023-03-20 | 2023-12-15 | 北京众驰自动化设备有限公司 | Method and device for detecting abrasion of conveying belt of belt conveyor |
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