CN112577964A - Longitudinal tearing detection device for conveying belt - Google Patents
Longitudinal tearing detection device for conveying belt Download PDFInfo
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- CN112577964A CN112577964A CN202110061418.3A CN202110061418A CN112577964A CN 112577964 A CN112577964 A CN 112577964A CN 202110061418 A CN202110061418 A CN 202110061418A CN 112577964 A CN112577964 A CN 112577964A
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- glass cover
- end disc
- driving
- belt
- driving end
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- 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
-
- 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
- B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
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- 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)
- Control Of Conveyors (AREA)
Abstract
The invention discloses a longitudinal tearing detection device for a conveying belt, which is arranged below the conveying belt and comprises: a glass cover; the detection module is arranged in the glass cover and is not in contact with the glass cover; the glass cover comprises a driving end disc and a fixed end disc, wherein the driving end disc and the fixed end disc are respectively connected with two ends of a glass cover, the driving end disc is fixedly connected with the glass cover, and the glass cover is movably connected with the fixed end disc; the driving unit is connected with the driving end disc and drives the driving end disc to drive the glass cover to rotate; the scraping blade is arranged on the side surface of the glass cover and is used for scraping dirt when the glass cover rotates; and the electric control unit is electrically connected with the driving unit, the detection module and the external belt conveyor respectively. The belt longitudinal tearing detection method is suitable for various on-site complex environments with various kinds of dust, and the accuracy rate of detecting the belt longitudinal tearing is high; and the structure is light and handy, the integrated level is high, simple to operate, maintenance are simple and easy, and equipment manufacturing cost is low.
Description
Technical Field
The invention relates to the technical field of automatic detection of engineering, in particular to a longitudinal tearing detection device for a conveying belt.
Background
The conveyer belt has been in the mine, the bulk cargo pier, the field wide application such as thermal power factory, at belt feeder equipment operation in-process, the conveyer belt is in long-time, the complex environment operation of high load, in order to adapt to the operation site topography condition, guarantee to carry the reliability, realize whole transportation process by many belt reprints usually, and often can cause the belt to vertically tear because of reasons such as foreign matter jamming, sharp thing puncture at each reprint point, in case take place the belt and vertically tear the accident, will influence normal production, lead to long-time shutdown, cause great economic loss simultaneously.
In order to solve the problem, a belt longitudinal tearing detection method in the prior art mainly uses a non-contact type, mainly uses a machine vision technology, irradiates infrared light or visible light to the back surface of a bearing belt, obtains a belt surface image by shooting through a Charge Coupled Device (CCD) camera, processes, analyzes and compares the image, and further judges whether the belt is longitudinally torn or not.
However, the above-mentioned belt longitudinal tear detection method has several technical problems:
the requirement on the environment is high: the belt feeder operation site environment is abominable, and dust concentration is big, and equipment is in the pit, open-air or corridor long time heavy load operation, and ambient light all can influence the image quality that the camera was shot along with time variation, high dust, vibrations etc. factor to the influence is to tearing the accuracy that the testing result judged.
The image processing efficiency is low: the image shot by the CCD camera needs to select a larger belt surface area, and crack characteristic extraction and identification judgment are carried out on the area, so that the data volume of processed image information is large, the detection frequency is reduced, and omission is easily caused.
The detection device has a complex structure: because the influence of ambient light is avoided, a section of the belt conveyor at the installation position of the detection device needs to be sealed, and then light is supplemented by a light source, dust is unavoidable under the working environment of the belt conveyor, the light source and a camera lens need to be frequently cleaned, and continuous shooting of the camera is interfered when a brush or a scraper cleans the lens; while the use of other cleaning methods is more complicated.
Disclosure of Invention
According to an embodiment of the present invention, there is provided a longitudinal tear detection device for a conveyor belt, disposed below the conveyor belt, including:
a glass cover;
the detection module is arranged in the glass cover and is not in contact with the glass cover;
the glass cover comprises a driving end disc and a fixed end disc, wherein the driving end disc and the fixed end disc are respectively connected with two ends of a glass cover, the driving end disc is fixedly connected with the glass cover, and the glass cover is movably connected with the fixed end disc;
the driving unit is connected with the driving end disc and drives the driving end disc to drive the glass cover to rotate;
the scraping blade is arranged on the side surface of the glass cover and is used for scraping dirt when the glass cover rotates;
and the electric control unit is electrically connected with the driving unit, the detection module and the external belt conveyor respectively.
Further, the glass cover is a cylinder.
Further, the method also comprises the following steps: the glass cover is arranged on the mounting seat, the mounting bracket is arranged in the glass cover, and the electric control unit is arranged in the mounting seat.
Furthermore, a plurality of installation hanging seats are respectively arranged on two sides of the installation seat and used for adjusting the distance between the installation seat and the conveying belt.
Further, the detection module comprises, disposed in the glass envelope: lasers and industrial cameras; laser emitted by the laser irradiates on the conveying belt and is vertical to the conveying belt; the industrial camera can completely collect the laser line irradiated by the laser on the conveying belt.
Further, the laser is a 'straight' line laser.
Further, the drive unit is a flexible drive unit.
Further, the flexible driving unit includes: a flexible torque arm, a drive shaft and a knuckle bearing; the flexible torque arm is respectively connected with the driving shaft and the driving end disc; the joint bearing is used for supporting a driving shaft, and the driving shaft is used for driving the driving end disc to rotate.
Furthermore, a felt sealing ring is arranged at the joint of the fixed end disc and the glass cover, and the glass cover can freely rotate on the felt sealing ring.
Further, the electrical control unit comprises but is not limited to an image processing module, a control module, a communication module and a power supply module, and the electrical control unit is interlocked with the control system of the belt conveyor in a communication manner.
The conveyor belt longitudinal tearing detection device is suitable for various on-site complex environments with much dust, and the accuracy rate of detecting the longitudinal tearing of the conveyor belt is high; and the structure is light and handy, the integrated level is high, simple to operate, maintenance are simple and easy, and equipment manufacturing cost is low.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology.
Drawings
FIG. 1 is a perspective view of a longitudinal tear detection device for a conveyor belt according to an embodiment of the invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with the cover glass removed;
FIG. 3 is a schematic diagram of a longitudinal tear detection device for a conveyor belt according to an embodiment of the present invention;
FIG. 4 is a block diagram of a flexible drive unit of the conveyor longitudinal tear detection device according to an embodiment of the invention.
Detailed Description
The present invention will be further explained by describing preferred embodiments of the present invention in detail with reference to the accompanying drawings.
First, a conveyor belt longitudinal tearing detection device according to an embodiment of the present invention will be described with reference to fig. 1 to 4, which is used for conveyor belt longitudinal tearing detection and has a wide application range.
As shown in fig. 1 to 2, the conveyor belt longitudinal tearing detection device according to the embodiment of the present invention is disposed below a conveyor belt 9, and includes a glass cover 1, a detection module 2, a driving end plate 3, a fixed end plate 4, a driving unit 5, a blade 6, and an electric control unit (not shown). In the present embodiment, the glass cover 1 is a cylindrical transparent glass cover 1.
Specifically, as shown in fig. 1-2, the detection module 2 is disposed in the glass cover 1, and the detection module 2 is not in contact with the glass cover 1, so as to ensure that the glass cover 1 does not structurally interfere with the detection module 2 when rotating.
Further, as shown in FIGS. 1-2, the detection module 2 includes: a laser 21 and an industrial camera 22. In the embodiment, the laser 21 is a linear laser, and can form a belt profile light stripe on the lower surface of the conveyor belt 9, the industrial camera 22 only needs to shoot a complete light stripe, then extracts the center of the light stripe in the image, and judges whether the light stripe is continuous or not and whether the light stripe is jump distorted, and the linear laser stripe is high in brightness and stable in shape and is not easily influenced by ambient light and vibration; the angle of the industrial camera 22 is adjusted to completely capture the laser line of the laser 21 on the conveyor belt 9.
Specifically, as shown in fig. 1 to 2, a driving end disc 3 and a fixed end disc 4 are respectively connected with two ends of a glass cover 1, the driving end disc 3 is fixedly connected with the glass cover 1, and the glass cover 1 is movably connected with the fixed end disc 4.
Specifically, as shown in fig. 1-2, the driving unit 5 is connected to the driving end disc 3, and the driving unit 5 drives the driving end disc 3 to drive the glass cover 1 to rotate. In this embodiment, since the manufacturing process of the glass cover 1 does not reach the precision level of machining, the driving unit 5 is a flexible driving unit.
Further, as shown in fig. 1 to 2 and 4, the flexible driving unit includes: the flexible torque arm 51, the drive shaft 52 and the knuckle bearing 53, the knuckle bearing 53 is used for supporting the drive shaft 52, the flexible torque arm 52 is respectively connected with the drive shaft 52 and the drive end disc 3, the drive shaft 52 drives the drive end disc 3 to rotate, in the embodiment, the drive shaft 52 is driven by a speed reducer, and the flexible torque arm 52 is used for preventing the speed reducer from reversing, so that the structure is simple and practical. Of course, the flexible drive unit can likewise be realized with a belt drive or a chain drive.
Specifically, as shown in fig. 1 to 2, the wiper 6 is disposed on a side surface of the glass cover 1, and is made of a polyurethane material, and is closely attached to the glass cover 1 for wiping off dirt when the glass cover 1 rotates.
Specifically, as shown in fig. 1 to 2, an electrical control unit (not shown) is electrically connected to the driving unit 5, the detection module 2 and the external belt conveyor.
Further, in this embodiment, as shown in fig. 1 to 2, the longitudinal tearing detection apparatus for a conveyor belt according to the embodiment of the present invention further includes: mount pad 7 and installing support 8, glass cover 1 sets up on mount pad 7, and installing support 8 sets up in glass cover 1, and electrical control unit sets up in mount pad 7, and the structure is light and handy, the integrated level is high, simple to operate, maintenance are simple and easy, and equipment manufacturing cost is low.
Further, in the present embodiment, as shown in fig. 1 to 2, two sides of the mounting seat 7 are respectively provided with a plurality of mounting hanging seats 71 for adjusting a distance between the mounting seat 7 and the conveyor belt 9.
Further, in this embodiment, a felt sealing ring (not shown) is provided at the joint of the fixed end disc 4 and the glass cover 1, and the glass cover 1 can freely rotate on the felt sealing ring.
Further, in the present embodiment, the electrical control unit (not shown in the figure) includes, but is not limited to, an image processing module, a control module, a communication module and a power supply module, and the electrical control unit is interlocked with the control system of the belt conveyor in a communication manner.
When the glass cover is installed, the glass cover 1 and the driving end disc 3 are firmly connected and then sealed, the other end of the glass cover 1 is installed into the fixed end disc 4, the glass cover 1 can freely rotate on a felt sealing ring of the fixed end disc 4, and at the moment, the installation support 8 provided with the laser 21 and the industrial camera 22 is installed into the glass cover 1 and is not in contact with the glass cover 1. When the flexible driving unit works, the driving end disc 3 and the glass cover 1 are driven to rotate, dirt such as dust, rain, snow and the like on the outer surface of the glass cover 1 can be cleaned up by the scraping pieces 6, the scraping pieces 6 on two sides of the glass cover 1 form two-stage cleaning, the cleaning of the glass cover 1 is guaranteed, and when the glass cover 1 rotates to be cleaned, the continuous operation of the laser 21 and the industrial camera 22 is not influenced, so that the detection precision is greatly improved.
Further, as shown in fig. 3, due to the limited spatial distance between the carrying surface and the return surface of the conveyer 9, for the conveyer 9 with a large width, the laser 21 and the industrial camera 22 of one set of the conveyer longitudinal tear detecting device may not be completely covered, and in such a case, two sets of the conveyer longitudinal tear detecting devices may be installed for parallel use.
The conveyor belt longitudinal tearing detection device is described above with reference to fig. 1 to 4, and is suitable for various on-site complex environments with much dust, and the accuracy rate of detecting the longitudinal tearing of the belt is high; and the structure is light and handy, the integrated level is high, simple to operate, maintenance are simple and easy, and equipment manufacturing cost is low.
It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (10)
1. The utility model provides a detection device is vertically torn to conveyer belt, sets up below the conveyer belt, its characterized in that contains:
a glass cover;
the detection module is arranged in the glass cover and is not in contact with the glass cover;
the glass cover comprises a driving end disc and a fixed end disc, wherein the driving end disc and the fixed end disc are respectively connected with two ends of the glass cover, the driving end disc is fixedly connected with the glass cover, and the glass cover is movably connected with the fixed end disc;
the driving unit is connected with the driving end disc and drives the driving end disc to drive the glass cover to rotate;
the scraping blade is arranged on the side surface of the glass cover and used for scraping dirt when the glass cover rotates;
and the electric control unit is electrically connected with the driving unit, the detection module and the external belt conveyor respectively.
2. The conveyor longitudinal tear detection device of claim 1, wherein said glass cover is cylindrical.
3. The conveyor belt longitudinal tear detection apparatus of claim 1, further comprising: the glass cover is arranged on the mounting seat, the mounting bracket is arranged in the glass cover, and the electric control unit is arranged in the mounting seat.
4. The device for detecting the longitudinal tear of the conveying belt according to claim 3, wherein a plurality of mounting hanging seats are respectively disposed on two sides of the mounting seat for adjusting the distance between the mounting seat and the conveying belt.
5. The conveyor belt longitudinal tear detection apparatus of claim 1 or 3, wherein the detection module comprises, disposed in the glass cover: lasers and industrial cameras; the laser emitted by the laser irradiates the conveying belt and is vertical to the conveying belt; the industrial camera can completely collect the laser line irradiated on the conveying belt by the laser.
6. The conveyor belt longitudinal tear detection apparatus of claim 5, wherein the laser is a line laser.
7. The conveyor belt longitudinal tear detection apparatus of claim 1, wherein the drive unit is a flexible drive unit.
8. The conveyor belt longitudinal tear detection apparatus of claim 7, wherein the flexible drive unit comprises: a flexible torque arm, a drive shaft and a knuckle bearing; the flexible torsion arm is respectively connected with the driving shaft and the driving end disc; the joint bearing is used for supporting the driving shaft, and the driving shaft is used for driving the driving end disc to rotate.
9. The conveyor belt longitudinal tear detecting apparatus of claim 1 wherein a felt seal is provided at the junction of said fixed end disc and said glass cover, said glass cover being freely rotatable on said felt seal.
10. The longitudinal tear detection device of claim 1, wherein the electrical control unit includes but is not limited to an image processing module, a control module, a communication module and a power module, and the electrical control unit is interlocked with a control system of the belt conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110061418.3A CN112577964A (en) | 2021-01-18 | 2021-01-18 | Longitudinal tearing detection device for conveying belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110061418.3A CN112577964A (en) | 2021-01-18 | 2021-01-18 | Longitudinal tearing detection device for conveying belt |
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| Publication Number | Publication Date |
|---|---|
| CN112577964A true CN112577964A (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110061418.3A Pending CN112577964A (en) | 2021-01-18 | 2021-01-18 | Longitudinal tearing detection device for conveying belt |
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| CN (1) | CN112577964A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112047058A (en) * | 2020-09-04 | 2020-12-08 | 中信重工开诚智能装备有限公司 | Belt tearing detection robot |
| CN112047058B (en) * | 2020-09-04 | 2024-06-21 | 中信重工开诚智能装备有限公司 | Belt tearing detection robot |
-
2021
- 2021-01-18 CN CN202110061418.3A patent/CN112577964A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112047058A (en) * | 2020-09-04 | 2020-12-08 | 中信重工开诚智能装备有限公司 | Belt tearing detection robot |
| CN112047058B (en) * | 2020-09-04 | 2024-06-21 | 中信重工开诚智能装备有限公司 | Belt tearing detection robot |
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