CN117228261A - Unmanned inspection system of belt conveyor - Google Patents
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Abstract
The invention discloses an unmanned inspection system of a belt conveyor, which comprises an audio and video monitoring unit, an equipment state monitoring unit and an inspection robot, wherein the audio and video monitoring unit, the equipment state monitoring unit and the inspection robot are connected with a data analysis unit, and the data analysis unit is connected with an equipment monitoring diagnosis platform; the equipment state monitoring unit is provided with vibration and temperature sensors on the rotating part, and the inspection robot is provided with a video camera with an infrared auxiliary light source, an infrared thermal imager and a gas detection analyzer to monitor the environment; the monitoring data are transmitted to the data analysis unit, the data analysis unit manages, stores and diagnoses the acquired data and transmits the acquired data to the equipment monitoring and diagnosing platform, and the equipment monitoring and diagnosing platform manages the equipment and the state, manages the alarm event and gives out classified inquiry and report statistics. The system improves the intelligent level of equipment state monitoring and diagnosis, reduces the inspection load and improves the labor efficiency.
Description
Technical Field
The invention relates to the technical field of equipment monitoring and diagnosis, in particular to an unmanned inspection system of a belt conveyor.
Background
The main equipment for inputting raw materials in metallurgical industry is a belt conveyor which mainly comprises a driving device, a frame, a transmission roller, a redirecting roller, a conveying belt, a tensioning device, a carrier roller and the like. The method is characterized by long line, wide range, multiple points and quite high workload of daily inspection. Because the field environment is abominable, the temperature is high, the dust is big, and rotatory equipment body inspection difficulty, the equipment state holds the degree of difficulty greatly, in case break down, will influence the unobstructed of commodity circulation, probably lead to serious safety in production accident.
The belt conveyer mainly uses a conveyer belt as a traction and bearing component, and is continuous conveying equipment for conveying materials through the movement of the conveyer belt for bearing the materials, the conveyer belt winds a transmission roller and a tail roller to form a carrier annular belt, the upper conveyer belt and the lower conveyer belt are supported by carrier rollers to limit the deflection sag of the conveyer belt, and a tensioning device provides required tension for the normal operation of the conveyer belt. When the device works, the driving device drives the transmission roller, the conveying belt is driven to run by friction force between the transmission roller and the conveying belt, and materials are arranged on the conveying belt and move together with the conveying belt.
At present, when the belt conveyor is patrolled and examined, the five-sense mode is basically adopted for judging, the precision is low, the workload is large, long-term equipment management is not facilitated, hidden dangers and defects of equipment cannot be found timely, and intelligent management of the advocated equipment is also contradicted.
At present, a belt conveyor equipment state on-line monitoring and alarming system is a technical development trend.
The comprehensive online monitoring and early warning unmanned inspection system for the equipment state of the belt conveyor is not available in domestic iron and steel enterprises. The intelligent level of the equipment state monitoring and diagnosing technology is improved, the load of equipment management personnel is reduced, and the labor efficiency is improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing an unmanned inspection system for a belt conveyor, which overcomes the defects of traditional manual inspection, adopts intelligent identification technologies such as images, videos, audios and the like to improve the equipment state handling control capability, improves the intelligent level of equipment state monitoring diagnosis, reduces the load of equipment management personnel and improves the labor efficiency.
In order to solve the technical problems, the unmanned inspection system of the belt conveyor comprises an audio and video monitoring unit, an equipment state monitoring unit, an inspection robot, a data analysis unit and an equipment monitoring and diagnosis platform, wherein the audio and video monitoring unit and the equipment state monitoring unit are connected with the data analysis unit through a communication link, the inspection robot is connected with the data analysis unit after being accessed into the communication link through a wireless AP or a 4G network, and the data analysis unit is connected with the equipment monitoring and diagnosis platform through a network;
the audio and video monitoring unit comprises a network camera, an acoustic wave sensor and a hard disk video recorder which are arranged at each driving measuring point of the belt conveyor, wherein the network camera is used for video monitoring, the acoustic wave sensor is used for sound collection, and video signals are stored in the hard disk video recorder;
the equipment state monitoring unit comprises a vibration sensor and a temperature sensor which are arranged on a rotating part of the belt conveyor, and the vibration and the temperature of a bearing of the rotating part are monitored in real time;
the inspection robot is hung on a belt conveying pipe gallery of a belt conveyor, and is provided with a video camera with an infrared auxiliary light source, an infrared thermal imager and a gas detection analyzer;
the data analysis unit comprises a data acquisition management module, a data communication management module, a data storage management module and an equipment state comprehensive diagnosis module, wherein the data acquisition management module is used for integrally managing and controlling the received uplink data, and the management and the scheduling of the uploading and the receiving of the external data and the data analysis are realized through configuration; the data communication management module automatically analyzes the received data of different types, merges the data under the designated measuring point of the corresponding belt conveyor according to the configuration, completes automatic association between the measuring point and the data, performs various numerical calculation according to the configuration, and extracts characteristic quantities required by various analyses; the data storage management module is used for carrying out real-time storage, temporary storage and persistent storage management on the data according to the data type; the equipment state comprehensive diagnosis module presets a general analysis model, synthesizes various state data, carries out comprehensive analysis and diagnosis on the state of the belt conveyor, and triggers corresponding business processes according to different diagnosis conclusions;
the equipment monitoring and diagnosing platform comprises an equipment tree configuration and basic information configuration module, a state centralized display module, an alarm event management module, a classified inquiry and report statistics module and a user authority configuration module, wherein the equipment tree configuration and basic information configuration module carries out hierarchical management, attribute management, measurement point management, detection parameter management and equipment document management on the belt conveyor; the state centralized display module displays the monitored equipment state, quantity statistics and early warning information in real time; the alarm event management module provides equipment attribution and statistical rules for setting alarms, and forms transmission, display, pushing and final evaluation flows after alarm generation; the classified query and report statistics module provides report definition and query functions; the user rights configuration module performs user management and rights management.
Further, the audio and video monitoring unit visually retrieves field videos to perform image recognition and monitor the driving measuring point places of the belt conveyor; and carrying out time domain signal analysis and frequency spectrum analysis on the audio signal, comparing and analyzing sound waves of a normal working condition with sound waves of an abnormal working condition, alarming information with sound intensity exceeding a set decibel and after filtering, recording the occurrence time and position information of the abnormal sound, and displaying and storing.
Further, the vibration sensor and the temperature sensor of the equipment state monitoring unit are arranged on a motor, a speed reducer and a roller of the belt conveyor, monitoring data are transmitted through a wired or wireless network, the wired network is selected for transmission of variable speed equipment, the wireless network is selected for transmission of steady-state equipment with the output rotating speed of more than 120 revolutions per minute, the wired network is selected for transmission of a key belt, the wireless network is selected for transmission of a non-key belt, and the wireless network is selected for transmission in occasions where the wired network/optical fiber does not exist.
Further, the vibration sensor and the temperature sensor are integrated sensors, and the measuring points are configured according to the following principle:
the front end and the rear end of the motor are respectively provided with a horizontal measuring point, the integrated sensor is close to the bearing seat during installation, and the small-size motor is provided with a horizontal measuring point at the load end of the motor;
the measuring point directions of the gear box are horizontally, vertically and axially arranged, each bearing seat is provided with one measuring point, two axial measuring points are arranged on two sides of the gear box, and the same shaft system is staggered;
and a horizontal measuring point is respectively arranged at the bearing seat positions at two sides of the roller, and the trend judgment is made by the vibration signal in view of the lower rotating speed of the roller sleeve.
Further, the equipment state monitoring unit sets a threshold value and deviation alarm for the vibration signal, alarms the information which is subjected to filtering processing and exceeds the threshold value for the vibration signal, records the occurrence time and position information of the abnormality, and displays and stores the information;
synchronous triggering acquisition or tour acquisition is adopted for the vibration time domain signals, field point removal, filtering noise reduction pretreatment is carried out on the acquired digital signals, interference is eliminated, the signal to noise ratio and the data quality are improved, and static characteristic quantity calculation of vibration speed, effective value, peak value, dimensionless value and impact quantity is carried out on the pretreated digital signals, so that trend early warning is realized; meanwhile, window function operation is carried out on the waveform of the vibration time domain signal, precise Fourier transformation is carried out, frequency domain state and fault characteristic quantity indexes are extracted, and fault diagnosis is realized; setting a threshold value and deviation alarm for the temperature signal, alarming the information after the temperature signal exceeds the threshold value and is filtered, and recording the occurrence time and position information of the abnormality for display and storage.
Further, the video camera of the inspection robot monitors the appearance, blanking and ash emission of the belt conveyor, the video camera has dustproof protection, the resolution of uploaded video is not lower than high definition 1080P, and the functions of video playing, stopping, drawing, video recording and displaying are supported; the infrared thermal imager collects heat, concentrated smoke and open flame information in the belt conveyor, has an automatic focusing function, has resolution of not less than 384×288, displays the position and temperature value of the highest temperature point in an image of an infrared image, has imaging data of the infrared image, has measurement accuracy of 2% or 2 ℃ of reading, takes the larger absolute value, and has a measurement range of not less than-20-200 ℃; the gas detection analyzer collects the content of oxygen and toxic and harmful gas in the surrounding air, the detection accuracy of the oxygen content is 0.1% of volume fraction, the response time is not more than 30s, the detection accuracy of the toxic and harmful gas content is 1% of volume fraction, and the response time is not more than 20 seconds.
Further, the data of the data storage management module in the data analysis unit is temporarily stored with original analysis data which is stored for no more than one month according to professional needs, real-time data which is used for high frequency according to data classification is stored in a redis real-time database, related data of collected quantitative values for various diagnosis results is stored in a Postgresql or Mysql relational database, and state data for various collection is stored in an Hbase distributed database.
Further, the user authority configuration module in the device monitoring and diagnosing platform performs user management including basic management functions of user addition, modification and deletion, authority management includes defining user roles, allowing users to customize roles, and setting page browsing and operation authorities according to different roles.
Furthermore, the equipment monitoring and diagnosing platform also comprises an interface functional module, wherein the interface functional module reserves and designs a communication interface with expandable compatibility, and data is called and read-written in real time by an upper equipment management system through the communication interface with expandable compatibility.
The unmanned inspection system of the belt conveyor adopts the technical scheme that the unmanned inspection system comprises an audio and video monitoring unit, an equipment state monitoring unit, an inspection robot, a data analysis unit and an equipment monitoring and diagnosing platform, wherein the audio and video monitoring unit and the equipment state monitoring unit are connected with the data analysis unit through a communication link, and the inspection robot is connected with the data analysis unit after being accessed into the communication link through a wireless AP or a 4G network, and the data analysis unit is connected with the equipment monitoring and diagnosing platform through a network; the equipment state monitoring unit is provided with a vibration sensor and a temperature sensor for monitoring vibration and temperature states on a rotating part of the belt conveyor, and the inspection robot is provided with a video camera with an infrared auxiliary light source, an infrared thermal imager and a gas detection analyzer for monitoring the environment of the belt conveyor; the monitoring data are transmitted to the data analysis unit, the data analysis unit manages, stores and diagnoses the collected data and transmits the collected data to the equipment monitoring and diagnosing platform, and the equipment monitoring and diagnosing platform manages the equipment and the state, manages the alarm event and gives out classified inquiry and report statistics. The system overcomes the defect of traditional manual inspection, adopts intelligent identification technologies such as images, videos, audios and the like to improve the equipment state handling control capability, improves the intelligent level of equipment state monitoring diagnosis, reduces the load of equipment management personnel and improves the labor efficiency.
Drawings
The invention is described in further detail below with reference to the attached drawings and embodiments:
fig. 1 is a schematic block diagram of an unmanned inspection system of a belt conveyor.
Detailed Description
The embodiment shown in fig. 1, the unmanned inspection system of the belt conveyor comprises an audio and video monitoring unit, an equipment state monitoring unit, an inspection robot, a data analysis unit and an equipment monitoring and diagnosis platform, wherein the audio and video monitoring unit and the equipment state monitoring unit are connected with the data analysis unit through a communication link, the inspection robot is connected with the data analysis unit after being accessed into the communication link through a wireless AP or a 4G network, and the data analysis unit is connected with the equipment monitoring and diagnosis platform through a network;
the audio and video monitoring unit comprises a network camera, an acoustic wave sensor and a hard disk video recorder which are arranged at each driving measuring point of the belt conveyor, wherein the network camera is used for video monitoring, the acoustic wave sensor is used for sound collection, video signals are stored in the hard disk video recorder, and the audio signals are uniformly managed by the data analysis unit;
the equipment state monitoring unit comprises a vibration sensor and a temperature sensor which are arranged on a rotating part of the belt conveyor, and the vibration and the temperature of a bearing of the rotating part are monitored in real time; wherein, the vibration sensor is preferably an acceleration sensor;
the inspection robot is hung on a belt conveying pipe gallery of a belt conveyor, and is provided with a video camera with an infrared auxiliary light source, an infrared thermal imager and a gas detection analyzer; the inspection robot further comprises a wireless communication system, a wireless charging device, a positioning module, a background monitoring platform and other components, and adopts a manual control semi-autonomous or fully autonomous control mode for belt pipe gallery inspection operation;
the data analysis unit comprises a data acquisition management module, a data communication management module, a data storage management module and an equipment state comprehensive diagnosis module, wherein the data acquisition management module is used for integrally managing and controlling received uplink data, uploading and receiving of external data and management and scheduling of data analysis are realized through configuration, the module is used for carrying out real-time monitoring of data communication on configured communication links, carrying out state tracking on communication processes of the communication links, automatically recovering the abnormal conditions, and forming and reporting communication fault early warning by long-term non-response paths so as to ensure the stability and safety of the communication links; the data communication management module automatically analyzes the received data of different types, merges the data under the designated measuring point of the corresponding belt conveyor according to the configuration, completes automatic association between the measuring point and the data, performs various numerical calculation according to the configuration, and extracts characteristic quantities required by various analyses; the data storage management module is used for carrying out real-time storage, temporary storage and persistent storage management on the data according to the data type; the equipment state comprehensive diagnosis module presets a general analysis model, synthesizes various state data, carries out comprehensive analysis and diagnosis on the state of the belt conveyor, and triggers corresponding business processes according to different diagnosis conclusions;
the equipment monitoring and diagnosing platform comprises an equipment tree configuration and basic information configuration module, a state centralized display module, an alarm event management module, a classified inquiry and report statistics module and a user authority configuration module, wherein the equipment tree configuration and basic information configuration module carries out hierarchical management, attribute management, measurement point management, detection parameter management and equipment document management on the belt conveyor; the state centralized display module displays the monitored equipment state, quantity statistics and early warning information in real time; the alarm event management module provides equipment attribution and statistical rules for setting alarms, and forms transmission, display, pushing and final evaluation flows after alarm generation; the classified query and report statistics module provides report definition and query functions; the user rights configuration module performs user management and rights management.
Preferably, the audio and video monitoring unit visually invokes the field video to perform image recognition and monitor the driving measuring point places of the belt conveyor; and carrying out time domain signal analysis and frequency spectrum analysis on the audio signal, comparing and analyzing sound waves of a normal working condition with sound waves of an abnormal working condition, alarming information with sound intensity exceeding a set decibel and after filtering, recording the occurrence time and position information of the abnormal sound, and displaying and storing.
Preferably, the vibration sensor and the temperature sensor of the equipment state monitoring unit are arranged on a motor, a speed reducer and a roller of the belt conveyor, monitoring data are transmitted through a wired or wireless network, the wired network is selected for transmission of variable speed equipment, the wireless network is selected for transmission of steady-state equipment with the output rotating speed of more than 120 revolutions per minute, the wired network is selected for transmission of a key belt, the wireless network is selected for transmission of a non-key belt, and the wireless network is selected for transmission in occasions where the wired network/optical fiber does not exist.
Preferably, the vibration sensor and the temperature sensor are integrated sensors, and the measuring points are configured according to the following principle:
the front end and the rear end of the motor are respectively provided with a horizontal measuring point, the integrated sensor is close to the bearing seat during installation, and the small-size motor is provided with a horizontal measuring point at the load end of the motor;
the measuring point directions of the gear box are horizontally, vertically and axially arranged, each bearing seat is provided with one measuring point, two axial measuring points are arranged on two sides of the gear box, and the same shaft system is staggered;
and a horizontal measuring point is respectively arranged at the bearing seat positions at two sides of the roller, and the trend judgment is made by the vibration signal in view of the lower rotating speed of the roller sleeve.
Preferably, the device state monitoring unit sets a threshold value and deviation alarm for the vibration signal, alarms the information which is subjected to filtering processing and exceeds the threshold value for the vibration signal, records the occurrence time and position information of the abnormality, and displays and stores the information;
synchronous triggering acquisition or tour acquisition is adopted for the vibration time domain signals, field point removal, filtering noise reduction pretreatment is carried out on the acquired digital signals, interference is eliminated, the signal to noise ratio and the data quality are improved, and static characteristic quantity calculation of vibration speed, effective value, peak value, dimensionless value and impact quantity is carried out on the pretreated digital signals, so that trend early warning is realized; wherein, the dimensionless values comprise data such as kurtosis, skewness and the like; meanwhile, window function operation is carried out on the waveform of the vibration time domain signal, precise Fourier transformation is carried out, frequency domain state and fault characteristic quantity indexes are extracted, and fault diagnosis is realized; setting a threshold value and deviation alarm for the temperature signal, alarming the information after the temperature signal exceeds the threshold value and is filtered, and recording the occurrence time and position information of the abnormality for display and storage.
Preferably, a video camera of the inspection robot monitors the appearance, blanking and ash emission of the belt conveyor, the video camera has dustproof protection, the resolution of uploaded video is not lower than high definition 1080P, and the functions of video playing, stopping, drawing, video recording and displaying are supported; the infrared thermal imager collects heat, concentrated smoke and open flame information in the belt conveyor, has an automatic focusing function, has resolution of not less than 384×288, displays the position and temperature value of the highest temperature point in an image of an infrared image, has imaging data of the infrared image, has measurement accuracy of 2% or 2 ℃ of reading, takes the larger absolute value, and has a measurement range of not less than-20-200 ℃; the gas detection analyzer collects the content of oxygen and toxic and harmful gas in the surrounding air, the detection accuracy of the oxygen content is 0.1% of volume fraction, the response time is not more than 30s, the detection accuracy of the toxic and harmful gas content is 1% of volume fraction, and the response time is not more than 20 seconds.
Preferably, the data of the data storage management module in the data analysis unit is temporarily stored with original analysis data stored for no more than one month according to professional needs, real-time data required to be used at high frequency is stored in a redis real-time database according to data classification, related data of collected quantitative values for various diagnosis results are stored in a Postgresql or Mysql relational database, and state data for various collection are stored in an Hbase distributed database.
Preferably, the user authority configuration module in the device monitoring and diagnosing platform performs user management including basic management functions of user addition, modification and deletion, authority management includes defining user roles, allowing users to customize roles, and setting page browsing and operation authorities according to different roles.
Preferably, the device monitoring and diagnosing platform further comprises an interface functional module, wherein the interface functional module reserves and designs a communication interface with expandable compatibility, and data is called and read-written in real time by an upper device management system through the communication interface with expandable compatibility.
The inspection system is mainly used for monitoring related important equipment such as a belt, a motor, a gear box, a roller and the like of a belt conveyor, the system architecture is composed of three layers of an acquisition layer, an analysis layer and an application layer, and the data are subjected to pretreatment such as filtering and cleaning by acquiring state data and self-checking information related to the equipment, so that the functions of data acquisition, analysis, storage, diagnosis and the like are realized, and the functions of equipment foundation management, equipment early warning, diagnosis and information pushing are realized. The intelligent level of equipment state monitoring and diagnosis is improved, the load of equipment management personnel is reduced, the labor efficiency is improved, and unmanned inspection of the belt conveyor is realized.
The acquisition layer carries out pretreatment such as filtering and cleaning on equipment state data and self-checking information, and uploads the data to the analysis layer; the analysis layer realizes the functions of data collection, analysis, storage, diagnosis and the like, analyzes the received data according to a strategy of data processing configuration, carries out subsequent processing and storage of the data, and uploads the data to the application layer according to format requirements; the application layer realizes equipment foundation management, equipment early warning, diagnosis and information push. Meanwhile, a function module with expandable compatibility is reserved and designed, and data can be called and read and written in real time by an upper device management system through a standard communication protocol interface of TCP/IP.
The inspection system has wide application range, and is particularly suitable for unmanned inspection of material conveying equipment such as a belt conveyor and the like. The intelligent level of the equipment state monitoring and diagnosing technology is improved, the load of equipment management personnel is reduced, the labor efficiency is improved, and the normal and reliable operation of the material conveying equipment is ensured.
Claims (9)
1. The unmanned inspection system of the belt conveyor is characterized in that: the system comprises an audio and video monitoring unit, an equipment state monitoring unit, a patrol robot, a data analysis unit and an equipment monitoring and diagnosis platform, wherein the audio and video monitoring unit and the equipment state monitoring unit are connected with the data analysis unit through a communication link, the patrol robot is connected with the data analysis unit after being connected with the communication link through a wireless AP or a 4G network, and the data analysis unit is connected with the equipment monitoring and diagnosis platform through a network;
the audio and video monitoring unit comprises a network camera, an acoustic wave sensor and a hard disk video recorder which are arranged at each driving measuring point of the belt conveyor, wherein the network camera is used for video monitoring, the acoustic wave sensor is used for sound collection, and video signals are stored in the hard disk video recorder;
the equipment state monitoring unit comprises a vibration sensor and a temperature sensor which are arranged on a rotating part of the belt conveyor, and the vibration and the temperature of a bearing of the rotating part are monitored in real time;
the inspection robot is hung on a belt conveying pipe gallery of a belt conveyor, and is provided with a video camera with an infrared auxiliary light source, an infrared thermal imager and a gas detection analyzer;
the data analysis unit comprises a data acquisition management module, a data communication management module, a data storage management module and an equipment state comprehensive diagnosis module, wherein the data acquisition management module is used for integrally managing and controlling the received uplink data, and the management and the scheduling of the uploading and the receiving of the external data and the data analysis are realized through configuration; the data communication management module automatically analyzes the received data of different types, merges the data under the designated measuring point of the corresponding belt conveyor according to the configuration, completes automatic association between the measuring point and the data, performs various numerical calculation according to the configuration, and extracts characteristic quantities required by various analyses; the data storage management module is used for carrying out real-time storage, temporary storage and persistent storage management on the data according to the data type; the equipment state comprehensive diagnosis module presets a general analysis model, synthesizes various state data, carries out comprehensive analysis and diagnosis on the state of the belt conveyor, and triggers corresponding business processes according to different diagnosis conclusions;
the equipment monitoring and diagnosing platform comprises an equipment tree configuration and basic information configuration module, a state centralized display module, an alarm event management module, a classified inquiry and report statistics module and a user authority configuration module, wherein the equipment tree configuration and basic information configuration module carries out hierarchical management, attribute management, measurement point management, detection parameter management and equipment document management on the belt conveyor; the state centralized display module displays the monitored equipment state, quantity statistics and early warning information in real time; the alarm event management module provides equipment attribution and statistical rules for setting alarms, and forms transmission, display, pushing and final evaluation flows after alarm generation; the classified query and report statistics module provides report definition and query functions; the user rights configuration module performs user management and rights management.
2. The unmanned inspection system of a belt conveyor of claim 1, wherein: the audio and video monitoring unit visually invokes a field video to perform image recognition and monitor the driving measuring point places of the belt conveyor; and carrying out time domain signal analysis and frequency spectrum analysis on the audio signal, comparing and analyzing sound waves of a normal working condition with sound waves of an abnormal working condition, alarming information with sound intensity exceeding a set decibel and after filtering, recording the occurrence time and position information of the abnormal sound, and displaying and storing.
3. The belt conveyor unmanned inspection system according to claim 1 or 2, wherein: the vibration sensor and the temperature sensor of the equipment state monitoring unit are arranged on a motor, a speed reducer and a roller of the belt conveyor, monitoring data are transmitted through a wired or wireless network, the wired network is selected for transmission of variable speed equipment, the wireless network is selected for transmission of steady-state equipment with the output rotating speed being greater than 120 revolutions per minute, the wired network is selected for transmission of a key belt, the wireless network is selected for transmission of a non-key belt, and the wireless network is selected for transmission in occasions where the wired network/optical fiber does not exist.
4. The unmanned inspection system of a belt conveyor of claim 3, wherein: the vibration sensor and the temperature sensor are integrated sensors, and the measuring points are configured according to the following principle:
the front end and the rear end of the motor are respectively provided with a horizontal measuring point, the integrated sensor is close to the bearing seat during installation, and the small-size motor is provided with a horizontal measuring point at the load end of the motor;
the measuring point directions of the gear box are horizontally, vertically and axially arranged, each bearing seat is provided with one measuring point, two axial measuring points are arranged on two sides of the gear box, and the same shaft system is staggered;
and a horizontal measuring point is respectively arranged at the bearing seat positions at two sides of the roller, and the trend judgment is made by the vibration signal in view of the lower rotating speed of the roller sleeve.
5. The unmanned inspection system of a belt conveyor of claim 3, wherein: the equipment state monitoring unit sets a threshold value and deviation alarm for the vibration signal, alarms the information which is subjected to filtering processing and exceeds the threshold value for the vibration signal, records the occurrence time and position information of the abnormality, and displays and stores the information;
synchronous triggering acquisition or tour acquisition is adopted for the vibration time domain signals, field point removal, filtering noise reduction pretreatment is carried out on the acquired digital signals, interference is eliminated, the signal to noise ratio and the data quality are improved, and static characteristic quantity calculation of vibration speed, effective value, peak value, dimensionless value and impact quantity is carried out on the pretreated digital signals, so that trend early warning is realized; meanwhile, window function operation is carried out on the waveform of the vibration time domain signal, precise Fourier transformation is carried out, frequency domain state and fault characteristic quantity indexes are extracted, and fault diagnosis is realized; setting a threshold value and deviation alarm for the temperature signal, alarming the information after the temperature signal exceeds the threshold value and is filtered, and recording the occurrence time and position information of the abnormality for display and storage.
6. The unmanned inspection system of a belt conveyor of claim 1, wherein: the video camera of the inspection robot monitors the appearance, blanking and ash emission of the belt conveyor, has dustproof protection, has uploading video resolution not lower than high definition 1080P, and supports video playing, stopping, drawing, video recording and displaying functions; the infrared thermal imager collects heat, concentrated smoke and open flame information in the belt conveyor, has an automatic focusing function, has resolution of not less than 384×288, displays the position and temperature value of the highest temperature point in an image of an infrared image, has imaging data of the infrared image, has measurement accuracy of 2% or 2 ℃ of reading, takes the larger absolute value, and has a measurement range of not less than-20-200 ℃; the gas detection analyzer collects the content of oxygen and toxic and harmful gas in the surrounding air, the detection accuracy of the oxygen content is 0.1% of volume fraction, the response time is not more than 30s, the detection accuracy of the toxic and harmful gas content is 1% of volume fraction, and the response time is not more than 20 seconds.
7. The unmanned inspection system of a belt conveyor of claim 1, wherein: the data of the data storage management module in the data analysis unit is temporarily stored with original analysis data which is stored for no more than one month according to professional requirements, real-time data which is used for high frequency according to data classification is stored in a redis real-time database, related data of collected quantitative values for various diagnosis results is stored in a Postgresql or Mysql relational database, and state data for various collection is stored in an Hbase distributed database.
8. The unmanned inspection system of a belt conveyor of claim 1, wherein: the user authority configuration module in the equipment monitoring and diagnosis platform is used for user management including basic management functions of user addition, modification and deletion, authority management includes defining user roles, allowing users to customize roles, and setting page browsing and operation authorities according to different roles.
9. The unmanned inspection system of a belt conveyor of claim 1, wherein: the equipment monitoring and diagnosing platform also comprises an interface functional module, wherein the interface functional module reserves and designs a communication interface with expandable compatibility, and data is called and read-written in real time by an upper equipment management system through the communication interface with expandable compatibility.
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| CN202210631323.5A CN117228261A (en) | 2022-06-06 | 2022-06-06 | Unmanned inspection system of belt conveyor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117465950A (en) * | 2023-12-26 | 2024-01-30 | 常州佰承复合材料有限公司 | Nonstandard automation equipment conveying device |
| CN117509071A (en) * | 2024-01-05 | 2024-02-06 | 苏州纽酷输送机械有限公司 | Transportation monitoring system for air cushion conveyor |
| CN117640901A (en) * | 2024-01-25 | 2024-03-01 | 华能南京燃机发电有限公司 | Hybrid cloud, cross-platform, data and live broadcast combined intelligent inspection system |
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2022
- 2022-06-06 CN CN202210631323.5A patent/CN117228261A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117465950A (en) * | 2023-12-26 | 2024-01-30 | 常州佰承复合材料有限公司 | Nonstandard automation equipment conveying device |
| CN117465950B (en) * | 2023-12-26 | 2024-04-05 | 常州佰承复合材料有限公司 | Nonstandard automation equipment conveying device |
| CN117509071A (en) * | 2024-01-05 | 2024-02-06 | 苏州纽酷输送机械有限公司 | Transportation monitoring system for air cushion conveyor |
| CN117509071B (en) * | 2024-01-05 | 2024-03-15 | 苏州纽酷输送机械有限公司 | Transportation monitoring system for air cushion conveyor |
| CN117640901A (en) * | 2024-01-25 | 2024-03-01 | 华能南京燃机发电有限公司 | Hybrid cloud, cross-platform, data and live broadcast combined intelligent inspection system |
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