CN217200447U - Belt life monitoring and early warning device - Google Patents
Belt life monitoring and early warning device Download PDFInfo
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- CN217200447U CN217200447U CN202220852595.3U CN202220852595U CN217200447U CN 217200447 U CN217200447 U CN 217200447U CN 202220852595 U CN202220852595 U CN 202220852595U CN 217200447 U CN217200447 U CN 217200447U
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Abstract
The utility model belongs to the technical field of material conveying system, a belt life-span monitoring early warning device is specifically disclosed. The method comprises the following steps: the belt state monitoring system comprises two belt state monitoring modules and a control module, wherein the two belt state monitoring modules are used for being arranged on the inner side and the outer side of a belt respectively to monitor the running state of the belt, the signal output end of each belt state monitoring module is connected with the signal input end of the control module, and the control module is used for sending out early warning according to the monitored running state of the belt. The utility model discloses a belt state detection module acquires belt real-time work data to convey control module and compare with the default, can carry out the early warning before the belt fracture, avoided the belt to have not had economic loss and the potential safety hazard that the sign fracture brought.
Description
Technical Field
The utility model belongs to the technical field of material conveying system, concretely relates to belt life-span monitoring early warning device.
Background
The conveying belt is widely applied to material conveying processes in various industries and mainly comprises a driving device, a transmission part, various types of conveying belts, a guide system, a tensioning device and the like. The coal-fired power plant is mainly applied to the coal fuel transmission process.
When the conveyor belt surpasses the life-span operation and then evolves to the fracture back, can cause whole conveying system to shut down the fortune, if in thermal power factory, the conveyor belt fracture back, is salvageed under the incomplete and system's the totally condition of coal deposit burning, then can arouse the power plant to shut down the stove, causes great economic loss.
To conveyor belt's general monitoring means among the current material conveying system, use conveyor belt to prevent disconnected, tear monitoring devices, main monitoring principle is mechanical transmission principle, physical factor, if: the monitoring of the change of the load torque of the transmission system, the falling of the conveying belt by the mechanical transmission device, the monitoring of the temperature and the like have the following characteristics:
the change of the load torque of the transmission system is to monitor whether the conveying belt is broken or not by utilizing the sudden change of the load side torque when the conveying belt is broken;
the conveying belt falling mechanical transmission device is used for monitoring that the conveying belt naturally sags to trigger the mechanical transmission device to act after the conveying belt is broken, and monitoring whether the conveying belt is broken or not;
the temperature monitoring device monitors the temperature distribution of the conveying belt by using an imaging technology so as to judge whether the conveying belt is longitudinally torn or not;
the three monitoring modes are to monitor the occurred or occurring event condition and monitor the broken or torn condition of the conveying belt;
the three monitoring modes lack obvious in-advance monitoring and analyzing capability, do not have an active early warning function system, and cannot effectively form state evaluation and regular scheduled maintenance of the conveying belt, so that serious economic loss is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a belt life-span monitoring early warning device to solve current belt monitoring device and lack early warning in advance, the technical problem that can only report to the police when the trouble takes place.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
in a first aspect, a belt life monitoring and early warning device comprises: the monitoring system comprises two belt state monitoring modules and a control module, wherein the two belt state monitoring modules are respectively arranged on the inner side and the outer side of a belt and used for monitoring the running state of the belt, the signal output end of each belt state monitoring module is connected with the signal input end of the control module, and the control module is used for sending out early warning according to the monitored running state of the belt;
each belt state monitoring module comprises a belt thickness detector and a belt running period detector;
the belt running period detector is used for monitoring the running speed, the starting and stopping times and the accumulated running time of the belt;
the belt thickness detector is used for monitoring the thickness of the belt.
The utility model discloses a further improvement lies in: the belt tensioning device is characterized by further comprising an infrared distance measuring sensor, wherein the infrared distance measuring sensor is arranged below the side face of the belt tensioning device, and the signal output end of the infrared distance measuring sensor is connected with the signal input end of the control module.
The utility model discloses a further improvement lies in: still include belt clearance scraper blade, belt clearance scraper blade is used for setting up in the belt outside, clears away the dust and the attachment on belt surface.
The utility model discloses a further improvement lies in: still include the not hard up detector of belt, belt clearance scraper blade below links to each other with the not hard up detector of belt through the connecting rod, the not hard up detector signal output part of belt links to each other with control module signal input part, the not hard up detector of belt is contact switch.
The utility model discloses a further improvement lies in: the connecting rod is connected with the lower portion of the belt cleaning scraper for the vertical end of the L-shaped belt, the other end of the connecting rod is connected with the belt loosening detector, and salient points are arranged below the middle portion of the horizontal section of the connecting rod.
The utility model discloses a further improvement lies in: the control module is also provided with a plurality of external interfaces for connecting with the original belt anti-fracture device.
The utility model discloses a further improvement lies in: the control module is a PLC controller.
The utility model discloses a further improvement lies in: the belt cleaning scraper is arranged in front of the belt state monitoring module, and the belt passes through the belt cleaning scraper and then the belt state detection module during operation.
The utility model discloses a further improvement lies in: and the signal output end of the control module is connected with the signal input end of the alarm device.
Compared with the prior art, the utility model discloses at least, including following beneficial effect:
1. each part in the utility model can be detached, cleaned, maintained and replaced independently, thereby being convenient for use and maintenance;
2. the utility model improves the belt fracture risk prediction accuracy through multiple measurements of the belt state detection module, the belt loosening detector and the infrared distance measuring sensor;
3. the utility model provides a belt clearance scraper blade both can clear up the belt residue and can trigger the not hard up detector of belt again, possesses multiple functions.
4. The utility model discloses a set up a plurality of reservations external tapping on control module, prevent the fracture device with original conveyor belt, link to each other like infrared monitoring, improve the alarm reliability.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention. In the drawings:
fig. 1 is a schematic structural view of a belt life monitoring and early warning device of the present invention;
fig. 2 is the utility model relates to a belt life-span monitoring early warning device's system flow chart.
In the figure: 1. a control module; 2. a belt loosening detector; 3. a belt run period detector; 4. a belt thickness detector; 5. a belt cleaning scraper; 6. a belt; 7. a belt drum; 8. a belt tensioner; 9. an infrared distance measuring sensor.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention.
Example 1
As shown in fig. 1-2, a belt life monitoring and early warning device is arranged on a belt conveying device, and comprises two belt state monitoring modules and a control module 1, wherein the two belt state monitoring modules are respectively arranged on the inner side and the outer side of a belt 6, and each belt state monitoring module comprises a belt operation period detector 3 and a belt thickness detector 4;
the running state of the belt comprises the thickness of the belt, the running speed of the belt, the starting and stopping times and the accumulated running time.
The signal output end of each belt state monitoring module is connected with the signal input end of the control module 1;
the belt tensioning device comprises a belt tensioning device and is characterized by further comprising an infrared distance measuring sensor 9, wherein the infrared distance measuring sensor 9 is arranged below the side of the belt tensioning device and used for monitoring the displacement of the belt tensioning device 8, and the signal output end of the infrared distance measuring sensor 9 is connected with the signal input end of the control module 1;
the belt loosening detector 2 is a contact switch, the belt cleaning scraper 5 is an obliquely arranged scraper, the bottom of the belt cleaning scraper is connected with the belt loosening detector 2 through a connecting rod, and the signal output end of the belt loosening detector 2 is connected with the signal input end of the control module 1;
the connecting rod is L-shaped, and a fulcrum is arranged below the middle part of the connecting rod.
The belt conveying device comprises two belt rollers 7, a belt 6 is arranged on the outer sides of the two belt rollers 7, and a belt tensioning device 8 is arranged between the two belt rollers 7.
When the belt 6 is broken or damaged, the self gravity of the belt 6 or a broken steel wire presses or hits the belt cleaning scraper 5, the cleaning scraper drives the connecting rod to move downwards, one end of the connecting rod moves downwards, the other end of the connecting rod moves upwards through the fulcrum, so that the belt loosening detector 2 is triggered, the belt 6 loosening detector forms a passage, and the belt loosening detector 2 sends a signal to the control module 1 to perform protection control.
The belt cleaning scraper 5 and the belt state monitoring module are sequentially arranged along the running direction of the belt 6, the belt 6 reaches the belt state monitoring module after dust and attachments of the belt 6 are cleaned by the belt cleaning scraper 5, the running period and the thickness of the belt 6 are monitored, and data obtained after monitoring are transmitted to the control module 1; at the same time, the belt tensioner displacement measurer monitors the belt tensioner sag threshold and transmits it to the control module 1.
The control module 1 controls the alarm device to give an alarm according to the signal sent by the belt loosening detector 2.
The belt running period detector 3 is used for monitoring and counting the running speed, the starting and stopping times and the accumulated running time of the belt, transmitting monitoring data into the control module, normally working if the monitoring data are larger than a first preset value, and controlling the alarm device to give an alarm if the monitoring data are smaller than the first preset value.
The infrared distance measuring sensor 9 is used for monitoring the displacement of the belt tensioning device 8, so that the total elongation and the displacement variation of the belt 6 are obtained, if the total elongation and the displacement variation are larger than a second preset value, the normal operation is realized, and if the total elongation and the displacement variation are smaller than the second preset value, the alarm device is controlled to give an alarm.
The first preset value obtains an empirical coefficient of the general service life duration of the belt according to data monitored by the belt running period detector 3, the belt use environment, the temperature and humidity of the working environment, the medium and empirical data.
The second preset value is calculated according to the data acquired by the infrared distance measuring sensor 9 and the explanation of the elongation of the belt factory or national standard, and different running periods of the belt 6 correspond to the elongation change process of the belt 6.
The belt thickness detector 4 is an infrared detector or an ultrasonic detector and is used for monitoring the thickness of the belt 6 and effectively monitoring the abrasion condition of the belt 6, the thickness of different positions of the belt is obtained through the belt thickness detector 4, and the running speed and the accumulated running time of the belt 6 obtained by the belt running period detector 3 are combined, so that the corresponding thinning amount and position of the belt 6 are obtained.
The control module 1 is reserved with a plurality of external interfaces and connected with the original conveying belt anti-fracture device, so that the alarm reliability is improved.
The original belt anti-fracture device comprises an infrared monitor and the like.
Example 2
A use method of a belt life monitoring and early warning device comprises the following steps:
respectively arranging two belt state monitoring modules on the inner side and the outer side of a belt;
the belt state monitoring module collects the running state of the belt during working and sends the running state to the control module 1;
the control module 1 compares the data collected by the belt state monitoring module with a preset value, works normally if the data is larger than the preset value, and gives an alarm if the data is smaller than the preset value.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes within the scope of the invention or within the scope equivalent to the invention are all embraced by the invention.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention.
Claims (9)
1. A belt life monitoring and early warning device is characterized by comprising: the monitoring system comprises two belt state monitoring modules and a control module (1), wherein the two belt state monitoring modules are respectively arranged on the inner side and the outer side of a belt (6) and used for monitoring the running state of the belt (6), the signal output end of each belt state monitoring module is connected with the signal input end of the control module (1), and the control module (1) is used for sending out early warning according to the monitored running state of the belt (6);
each belt state monitoring module comprises a belt thickness detector (4) and a belt running period detector (3);
the belt running period detector (3) is used for monitoring the running speed, the starting and stopping times and the accumulated running time of the belt (6);
the belt thickness detector (4) is used for monitoring the thickness of the belt (6).
2. The belt life monitoring and early warning device as claimed in claim 1, further comprising an infrared distance measuring sensor (9), wherein the infrared distance measuring sensor (9) is arranged below the side surface of the belt tensioning device (8), and a signal output end of the infrared distance measuring sensor (9) is connected with a signal input end of the control module (1).
3. The belt life monitoring and early warning device as claimed in claim 1, further comprising a belt cleaning scraper (5), wherein the belt cleaning scraper (5) is arranged outside the belt (6) to clean dust and attachments on the surface of the belt (6).
4. The belt life monitoring and early warning device as claimed in claim 3, further comprising a belt looseness detector (2), wherein the lower part of the belt cleaning scraper (5) is connected with the belt looseness detector (2) through a connecting rod, the signal output end of the belt looseness detector (2) is connected with the signal input end of the control module (1), and the belt looseness detector (2) is a contact switch.
5. The belt life monitoring and early warning device as claimed in claim 4, wherein the vertical end of the connecting rod in an L shape is connected with the lower part of the belt cleaning scraper (5), the other end of the connecting rod is connected with the belt loosening detector (2), and a convex point is arranged below the middle part of the horizontal section of the connecting rod.
6. The belt life monitoring and early warning device as claimed in claim 1, wherein the control module (1) is further provided with a plurality of external interfaces for connecting with an original belt anti-fracture device.
7. The belt life monitoring and early warning device as claimed in claim 1, wherein the control module (1) is a PLC controller.
8. The belt life monitoring and early warning device as claimed in claim 3, wherein the belt cleaning scraper (5) is arranged in front of the belt state monitoring module, and the belt (6) passes through the belt cleaning scraper (5) and then the belt state detection module during operation.
9. The belt life monitoring and early warning device as claimed in claim 1, wherein the signal output end of the control module (1) is connected with the signal input end of the warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220852595.3U CN217200447U (en) | 2022-04-13 | 2022-04-13 | Belt life monitoring and early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220852595.3U CN217200447U (en) | 2022-04-13 | 2022-04-13 | Belt life monitoring and early warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217200447U true CN217200447U (en) | 2022-08-16 |
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ID=82773163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220852595.3U Active CN217200447U (en) | 2022-04-13 | 2022-04-13 | Belt life monitoring and early warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217200447U (en) |
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- 2022-04-13 CN CN202220852595.3U patent/CN217200447U/en active Active
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