WO2021233393A1 - 一种自供能皮带输送机的皮带状态监测装置和方法 - Google Patents
一种自供能皮带输送机的皮带状态监测装置和方法 Download PDFInfo
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- WO2021233393A1 WO2021233393A1 PCT/CN2021/094968 CN2021094968W WO2021233393A1 WO 2021233393 A1 WO2021233393 A1 WO 2021233393A1 CN 2021094968 W CN2021094968 W CN 2021094968W WO 2021233393 A1 WO2021233393 A1 WO 2021233393A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/023—Power-transmitting endless elements, e.g. belts or chains
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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
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0688—Time or frequency
Definitions
- the present disclosure relates to a belt state monitoring device of a self-powered belt conveyor, which is an online detection device and a safety detection device used to detect the belt quality of the belt conveyor to ensure safe production.
- the belt conveyor is one of the throat equipment for underground coal transportation.
- the quality of the belt surface (such as bulging, tearing, damage) is not only related to the safe and reliable operation of the belt, but also directly affects the belt conveyor. Energy consumption.
- Existing belt surface state detection methods mostly adopt no-load and load separation detection, that is, stand-alone shutdown to detect the belt surface state when no-load, and separate detection of changes in coal flow under load. Two sets of systems are required to complete. Separate power supply is required, which is very inconvenient to install and use, and the effect of on-site use in application scenarios is not good.
- the present disclosure proposes a belt condition monitoring device for a self-powered belt conveyor.
- the device and method can sense the movement status of the belt and monitor the belt in real time by installing a power generation sensor on the belt conveyor.
- the quality of the belt conveyor can be used to generate electricity for the instrument itself, which improves the safety of the belt conveyor.
- a belt state monitoring device for a self-powered belt conveyor includes: impact power generation sensors installed on a plurality of buffer rollers in the receiving section of the belt conveyor. At least two conventional rollers are provided with a rotating power generation sensor and a weighing sensor; the impact power generation sensor, the rotating power generation sensor, and the weighing sensor are electrically connected to the signal acquisition and processing unit, and the signal acquisition and processing unit is connected to the central The processing unit is electrically connected, and the central processing unit is electrically connected to the database and the interactive unit; the impulse power generation sensor and the rotation power generation sensor are electrically connected to the confluence power supply unit.
- the signal collection and processing unit is also electrically connected with the binocular video sensor and the lidar sensor.
- the impact power generation sensor includes: a stator fixedly installed on the belt frame and a mover capable of moving up and down together with the buffer roller.
- stator is an electromagnetic coil winding
- mover is a permanent magnet
- the impulse power sensor is a piezoelectric sheet.
- the rotating power generation sensor is a generator.
- bus power supply unit is provided with a storage battery.
- a method for monitoring the belt status of a self-powered belt conveyor using the above monitoring device includes:
- the binocular video sensor collects real-time video images of the belt surface, and compares the currently collected video image of the belt surface with the previously collected video image of the belt surface to determine whether the belt surface is damaged or torn If the defects are cracked or bulging, if any defects are found, they will report to the police and shut down for maintenance;
- the monitoring process during routine work includes the following steps:
- Step 1 Collect impact information: When the material falls from the host computer to impact the buffer roller, the impact power sensor records the impact intensity and frequency of the belt;
- Step 2 Collect load-bearing information: When the material moves with the belt, the load and movement conditions of the belt are monitored by rotating power sensors at different intervals, as well as the load of the corresponding idler;
- Step 3 Separate storage: After the signal acquisition and processing unit collects the received impact intensity, the impact intensity is divided into multiple intensity levels and stored separately. The frequency density of the received impact frequency is analyzed, and the frequency density of different stages is stored separately ;
- Step 4 analysis and comparison: the central unit analyzes the belt's impact strength and frequency and the load of the belt to analyze the tension of the belt, and stores the analysis result with synchronized data. At the same time, it compares the current data with the previous data. Determine the quality of the belt;
- Step 5 Upload and display: upload the analysis results to the upper computer of the transportation chain or the monitoring center of downhole equipment through wireless communication, and display it on the monitoring terminal in the form of a table or a coordinate map;
- the electric energy generated by the rotating power generation sensor is transmitted to the confluence power supply unit, and the confluence power supply unit collects and rectifies the collected electric energy, and converts the electric energy into a stable power supply for each unit to use. Store the excess electric energy in the battery;
- the electric energy generated by the impulse power generation sensor and the rotating power generation sensor is transmitted to the confluence power supply unit.
- the confluence power supply unit collects and rectifies the collected electric energy into a stable power supply for each unit to use.
- the excess electric energy is stored in the battery.
- steps 1-2 also include turning on the binocular video sensor to detect the volume of the material flow in real time, and turning on the lidar sensor to monitor the material flow velocity;
- Step 3 also includes: material flow volume and material flow velocity combined with material bulk density are converted into material flow information, the material flow information is analyzed, and the size and weight of the material flow are stored separately;
- Step 4 also includes: analyzing the quality status of the belt in combination with the impact strength and frequency, as well as the belt load and material flow information.
- the present disclosure utilizes the impact of the blanking material and the rotation of the belt idler to form a set of devices that can generate information and generate electricity, and complete the two functions of belt surface state detection and material flow detection.
- real-time detection of material flow volume combined with belt speed and material bulk density, converted into material flow, to achieve real-time collection of material flow information
- real-time collection of belt surface video under belt no-load conditions and belt surface damage , Tearing, bulging and other defects can promptly report to the police and shut down for maintenance.
- the power supply of the device utilizes the electric energy generated by the sensor without external power supply, which saves energy and makes installation and use more flexible and convenient.
- Fig. 1 is a schematic diagram of the structure of the devices described in the first and second embodiments of the present disclosure installed on a belt conveyor;
- Fig. 2 is a system block diagram of the device according to the first embodiment of the present disclosure
- Fig. 3 is a system block diagram of the device according to the second embodiment of the present disclosure.
- This embodiment is a belt state monitoring device for a self-powered belt conveyor, as shown in Figs.
- This embodiment includes: impact power generation sensors 2 installed on a plurality of buffer rollers 1 in the material receiving section of the belt conveyor. At least two conventional rollers 3 of the belt conveyor are provided with rotating power generation sensors 4 and scales. Heavy sensor 5;
- the impact power generation sensor, the rotation power generation sensor, the weighing sensor are electrically connected to the signal acquisition and processing unit, the signal acquisition and processing unit is electrically connected to the central processing unit, and the central processing unit is electrically connected to the database
- the interaction unit is electrically connected; the impulse power generation sensor and the rotation power generation sensor are electrically connected to the confluence power supply unit.
- the main idea of this embodiment is to record the impact and frequency of the received belt and the stretching during the movement of the belt by monitoring the buffer roller receiving the blanking and the rotation of the conventional idler roller. And use the method of big data analysis to monitor the quality of the belt. When the data is accumulated to a certain extent, the quality of the belt can be diagnosed. The internal qualitative change will inevitably occur when it is stretched. According to the size of the qualitative change, it can be determined whether the belt needs to be maintained or replaced. According to this idea, this embodiment is provided with an impact sensor and a rotation sensor, and the two sensors and the matching load cell are used to monitor and accumulate data, and finally achieve the purpose of evaluating the quality of the belt.
- the impact sensor and the rotation sensor are designed as sensors with generating capacity.
- the signal output by the sensor is a weak electrical signal, as long as it can transmit information.
- the energy generated by the buffer roller is relatively large, and a relatively large sensor must be used. This energy is discarded after detection, which is a pity. Therefore, in this embodiment, this energy is collected as the energy source of the instrument, which not only obtains necessary information but also saves energy.
- this embodiment uses a rotating power sensor when detecting the belt movement state, converts the belt's translational movement into the rotation movement of the idler, and uses the rotation generated by the friction between the belt and the idler, combined with the weighing sensor. Based on the current weight of the belt, estimate the tension of the belt and analyze it through big data to get an assessment of the quality of the belt.
- the rotation power generation sensor there is a one-to-one correspondence between the rotation power generation sensor and the load cell. That is, if the conventional idler is equipped with a rotation power generation sensor, the load cell will be installed together.
- the belt conveyor described in this embodiment is provided with an anti-impact section, that is, some buffer rollers that can bounce up and down are specially set on the head of the belt conveyor or at a position close to the head.
- these buffer rollers of the impact-resistant section of the belt conveyor are arranged below the discharge port of the upper conveyor 6 (see Figure 1), and specifically accept the materials input by the upper computer.
- these buffer rollers can move downward under the impact of the material to play a buffering role, and automatically return to the original position when the material is not impacted. Therefore, this embodiment uses this up and down Movement, the ability to move up and down is collected, which is used as sensor output signal and as energy output.
- those belt conveyor other rollers without impact resistance are called conventional rollers, or simply rollers.
- this embodiment can also add a sensor for detecting the shape of material accumulation on the belt and a sensor for material movement speed.
- the former can be a binocular video sensor or a 3D camera, the latter It can be a lidar or sonar sensor, and the two sensors can also be used interchangeably. That is, the video sensor can also measure the speed of the material flow, and the lidar or sonar can also measure the shape of the material pair.
- the shape of the material pile and the movement speed of the material pair are also one of the important factors to judge the quality of the belt.
- the distribution and weight of the material can be obtained. It is very important to judge the unevenness of the belt force.
- the shape of the material pile and the load cell can be used to determine the density of the material, and then calculate the dryness and wetness of the material. Parameters such as degree and accumulation angle, these parameters are very important information for the later transportation process.
- the signal collection and analysis unit, central processing unit, database, interaction unit, etc. described in this embodiment can be integrated in an industrial PC, or integrated in other devices with electronic digital storage, computing and display functions, such as embedded
- the system, enhanced electronic devices such as single-chip microcomputers can even be integrated into the centralized control computer system of the entire belt transportation system, and conduct centralized data sharing and big data analysis with other belt transportation equipment.
- This embodiment is an improvement of the above embodiment, and is a refinement of the signal collection and analysis unit in the above embodiment.
- the signal collection and processing unit described in this embodiment is also electrically connected to the binocular video sensor 7 and the lidar sensor 8, as shown in FIG. 1, and the principle block diagram of the electrical connection is shown in FIG. 3.
- the binocular video sensor and the lidar sensor are installed above the belt conveyor, and can be installed on a door-shaped bracket. As shown in Figure 1, this bracket straddles the belt conveyor, and the two sensors look down on the belt and the belt passing through. On the material.
- the binocular video sensor is a 3D stereo camera device that can calculate the size and distance of the observed object through the parallax between two cameras. This embodiment uses this characteristic of the binocular video sensor to calculate the volume and shape of the material pair.
- the lidar sensor is a sensor that can measure the speed of an object through the Doppler effect. At the same time, the shape of the object can also be measured through the Doppler effect. For this embodiment, it is the shape of the material pile, but the accuracy is relatively binocular.
- the video sensor should be lower.
- the impact power generation sensor in this embodiment includes: a stator fixedly installed on the belt frame and a mover capable of moving up and down together with the buffer roller.
- the impact power generation sensor described in this embodiment is a device that uses up and down movement to generate power.
- the process of generating electrical energy can be either by using electromagnetic field to generate power, or by a piezoelectric sheet that generates piezoelectric effect to generate power when impacted.
- This embodiment is a refinement of the above embodiment, and is a refinement of the above embodiment regarding the impulse power generation sensor.
- the stator described in this embodiment is an electromagnetic coil winding, and the mover is a permanent magnet.
- the permanent magnet of the mover moves up and down along with the buffer, an induced current is generated in the electromagnetic coil of the stator to form a power generation output. Moreover, the induced current has a certain damping effect, which is equivalent to setting a damper on the buffer roller, which reduces the ineffective vibration of the buffer roller.
- This embodiment is a refinement of the above embodiment, and is a refinement of the above embodiment regarding the impulse power generation sensor.
- the impulse power sensor described in this embodiment is a piezoelectric sheet.
- the piezoelectric sheet is set on the stator, and the mover is just a simple impact surface, which generates an impact on the piezoelectric sheet and causes the piezoelectric sheet to generate electric energy.
- This impact method must be equipped with a buffer device, that is, at the position where the piezoelectric sheet is installed. Set up a set of buffer devices to prevent the piezoelectric from being damaged by impact.
- Embodiment 6 is a diagrammatic representation of Embodiment 6
- This embodiment is a refinement of the foregoing embodiment, and is a refinement of the foregoing embodiment regarding the rotation power generation sensor.
- the rotating power generation sensor described in this embodiment is a generator.
- Rotary power generation is a very mature power generation method with high efficiency.
- the disadvantage is that it is equivalent to damping the rotation of the idler. Therefore, the power of the generator selected by the rotating power generation sensor cannot be too large to avoid the movement of the belt. Interference, but due to the high power generation efficiency, even small power generators can increase enough energy for each processing unit and other sensors.
- This embodiment is a refinement of the above embodiment, and is a refinement of the above embodiment regarding the bus power supply unit.
- the bus power supply unit described in this embodiment is provided with a storage battery.
- the impact power sensor can increase the very powerful electric energy, but because the impact is an intermittent motion and is very unstable, it needs a large capacitor for stability. Basically, using the battery to store energy when it emits too much power The effect is better. Due to the rapid development of modern power batteries, it is a very good choice to use storage batteries to store excess energy, which can completely separate the entire equipment from the mains power supply and form a completely independent system.
- Embodiment 8 is a diagrammatic representation of Embodiment 8
- This embodiment is a method for monitoring the belt status of a self-powered belt conveyor using the above-mentioned monitoring device.
- the basic idea of this embodiment is: to record the strength and frequency of the impact of the belt by the material, and the tension that the belt bears when carrying the material, to accumulate these data to form an expert system, and the on-site monitoring is to use the past data. Analyze, compare and judge to realize the quality assessment of the belt to avoid safety accidents such as belt breakage.
- This embodiment includes three processes: the process of no-load monitoring, that is, the optical observation of the belt surface when there is no material on the belt, the other process is the monitoring when the belt conveyor is carrying out transportation operations, and the third process is the power generation process. .
- the binocular video sensor collects real-time video images of the belt surface, and compares the currently collected video image of the belt surface with the previously collected video image of the belt surface to determine whether the belt surface is damaged or torn If the defects are cracked or bulging, if any defects are found, an alarm will be sent and the machine will be shut down for maintenance.
- the surface of the conventional belt is usually observed by the naked eye.
- this embodiment adopts the method of video image analysis. Due to the rapid development of modern video image analysis technology, the comparative analysis of video images has been very mature. Therefore, it is only necessary to record the belt surface image when the quality is intact and compare it with the current belt surface to evaluate the current belt condition, and even It is possible to compare videos of multiple periods to compare the subtle changes on the surface of the belt, so as to monitor the possible fault points of the belt and realize early warning. This observation process in this embodiment is completely automated by the video image analysis software. Complete without any labor.
- Step 1 Collect impact information: When the material falls from the host computer to impact the buffer roller, the impact power sensor records the impact intensity and frequency of the belt.
- Step 2 Collect load-bearing information: When the material moves with the belt, the load and movement conditions of the belt are monitored by rotating power sensors at different intervals, as well as the load of the corresponding idler roller.
- the collection of load-bearing information is jointly completed by the rotating power sensor and the load cell.
- the friction force of the belt to the idler is also small, coupled with the damping effect of the generator itself, so that the rotating power generation sensor does not rotate sufficiently, after comparing with the real speed of the belt, and comparing
- the adjacent data from the rotating power sensor and the load cell can determine the current tension on the belt.
- Step 3 Separate storage: After the signal acquisition and processing unit collects the received impact intensity, the impact intensity is divided into multiple intensity levels and stored separately. The frequency density of the received impact frequency is analyzed, and the frequency density of different stages is stored separately .
- Storage of data is a very important step, because only the correct storage of data can play the role of big data analysis.
- various data are screened and graded, and different grades are stored separately for application.
- the impact strength is usually divided into seven levels: weak, medium weak, medium, medium strong, strong, extra strong, and extremely strong.
- the seven grades are compared and analyzed separately to get the correct conclusion. And storage can quickly extract these data, reducing the waste of resources and time.
- Step 4 analysis and comparison: the central unit analyzes the belt's impact strength and frequency and the load of the belt to analyze the tension of the belt, and stores the analysis result with synchronized data. At the same time, it compares the current data with the previous data. Determine the quality of the belt.
- the key to this embodiment lies in the analysis of past data and the comparison between past data and current data. Therefore, the storage and analysis of past data is a very important process. Without the support of past data, current judgments cannot be applied. Effect.
- Step 5 Upload and display: Upload the analysis results to the upper computer of the transportation chain or the monitoring center of downhole equipment through wireless communication, and display it on the monitoring terminal in the form of a table or a coordinate map.
- the analysis results can be uploaded to the transportation chain control center or the underground equipment monitoring center through 4g or 5g or underground ultra-wideband wifi6 wireless transmission, and displayed on the screen in the form of electronic display.
- the analysis results can be made into a table, a histogram, or a coordinate graph, and the necessary information can be conveyed in a direct visual way, including: the current surface quality of the belt, the amount of extension and other information.
- the electric energy generated by the rotating power generation sensor is transmitted to the confluence power supply unit, and the confluence power supply unit collects and rectifies the collected electric energy, and converts the electric energy into a stable power supply for each unit to use. Store the excess electric energy in the battery;
- the electric energy generated by the impulse power generation sensor and the rotating power generation sensor is transmitted to the confluence power supply unit.
- the confluence power supply unit collects and rectifies the collected electric energy into a stable power supply for each unit to use.
- the excess electric energy is stored in the battery.
- the collected electrical energy is unstable energy, it needs to be rectified, and a larger capacitor is used to stabilize the current, or other electronic devices are used to stabilize the current, so that the power supply can adapt to the requirements of electronic circuits.
- Steps 1-2 described in this embodiment also include turning on the binocular video sensor to detect the volume of the material flow in real time, and turning on the lidar sensor to monitor the material flow speed; the material speed detected by the lidar sensor is the actual movement speed of the material flow.
- the rotating power sensor detects the rotation speed of the idler roller caused by the belt friction. Therefore, the material flow speed detected by the lidar sensor is not equal to the material flow speed measured by the rotation of the idler.
- This embodiment uses the difference between these two speeds to evaluate the quality of the belt to monitor the belt. The current quality status.
- Step 3 also includes: material flow volume and material flow velocity combined with material bulk density are converted into material flow information, the material flow information is analyzed, and the size and weight of the material flow are stored separately.
- Step 4 also includes the analysis of the quality status of the belt in combination with the impact strength and frequency, as well as the belt load and material flow information.
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Abstract
Description
Claims (9)
- 一种自供能皮带输送机的皮带状态监测装置,其特征在于,包括:安装在皮带输送机受料段多个缓冲托辊上的冲击发电传感器,所述的皮带输送机的至少两个常规托辊上设有旋转发电传感器和称重传感器;所述的冲击发电传感器、旋转发电传感器、称重传感器与信号采集和处理单元电连接,所述的信号采集和处理单元与中央处理单元电连接,所述的中央处理单元与数据库、交互单元电连接;所述的冲击发电传感器和旋转发电传感器与汇流供电单元电连接。
- 根据权利要求1所述的监测装置,其特征在于,所述的信号收集和处理单元还与双目视频传感器和激光雷达传感器电连接。
- 根据权利要求2所述的监测装置,其特征在于,所述的冲击发电传感器包括:固定安装在皮带机架上的定子和能够与缓冲托辊一同上下位移的动子。
- 根据权利要求3所述的监测装置,其特征在于,所述的定子是电磁线圈绕组,所述的动子是永磁体。
- 根据权利要求2-3之一所述的监测装置,其特征在于,所述的冲击发电传感器是压电片。
- 根据权利要求1-5之一的监测装置,其特征在于,所述的旋转发电传感器是发电机。
- 根据权利要求6所述的监测装置,其特征在于,所述的汇流供电单元设有蓄电池。
- 一种使用权利要求7所述监测装置的自供能皮带输送机的皮带状态监测方法,其特征在于,所述的方法包括:空载监测的过程:皮带空载运动条件下双目视频传感器实时采集皮带带面视频图像,用当前采集的皮带带面视频图像与以往采集的皮带带面视频图像进行比较,以判断皮带表面是否出现带面破损、撕裂、鼓包的缺陷,如果发现缺陷则报警并进行停机检修;常规工作时的监测过程,包括如下步骤:步骤1,收集冲击信息:当物料从上位机中落下冲击缓冲托辊时,冲击发电传感器记录皮带所受到的冲击强度和频次;步骤2,收集承载信息:物料随皮带运动时通过不同间距的旋转发电传感器监测皮带的承载和运动状况,以及相应托辊的载荷;步骤3,分别存储:信号采集和处理单元收集收到冲击的强度后将冲击强度分为多个强度等级,并分别存储,收到冲击频次对频次密度进行分析,对不同阶段的频次密度分别储存;步骤4,分析比较:中央单元对皮带冲击强度和频次以及皮带的承载,以分析皮带所受到的拉伸,并将分析结果与同步的数据储存,同时将当前数据与以往的数据进行比较, 以确定皮带的质量状况;步骤5,上传和显示:将分析结果通过无线通讯的方式上传至运输链上位机或井下设备监控中心,以表格或坐标图的形式在监控终端上显示;发电过程:在进行空载监测的过程中,旋转发电传感器所产生的电能输送到汇流供电单元中,汇流供电单元收集和整流所采集到的电能,并将这些电能转换为稳定电源,供给各个单元使用,并将多余的电能存储在蓄电池中;在进行常规工作时的监测过程中,冲击发电传感器和旋转发电传感器所产生的电能输送到汇流供电单元中,汇流供电单元通过收集和整流使采集到的电能成为稳定电源供给各个单元使用,并将多余的电能存储在蓄电池中。
- 根据权利要求8所述的监测方法,其特征在于,所述的步骤1-2的同时还包括开启双目视频传感器实时检测物料流体积,开启激光雷达传感器监测物料流速度;步骤3还包括:物料流体积和物料流速度结合物料堆密度换算成物料流量信息,对物料流量信息进行分析,将物料流的大小和重量分级分别储存;步骤4还包括:冲击强度和频次以及皮带的承载与物料流量信息结合分析皮带的质量状态。
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AU2021277427A AU2021277427B2 (en) | 2020-05-21 | 2021-05-20 | Belt state monitoring apparatus and method for self-powered belt conveyor |
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CN202010434648.5A CN111537225A (zh) | 2020-05-21 | 2020-05-21 | 一种自供能皮带输送机的皮带状态监测装置和方法 |
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Cited By (7)
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CN113589070A (zh) * | 2021-07-09 | 2021-11-02 | 西安交通大学 | 一种自供能自传感一体的旋转部件健康监测装置 |
CN114593796A (zh) * | 2022-02-22 | 2022-06-07 | 中国恩菲工程技术有限公司 | 皮带式计量秤控制系统 |
CN115848935A (zh) * | 2022-12-19 | 2023-03-28 | 中交机电工程局有限公司 | 伸缩悬皮式自动卸料系统 |
CN116135744A (zh) * | 2023-03-20 | 2023-05-19 | 北京众驰自动化设备有限公司 | 带式输送机输送带磨损的检测方法及装置 |
CN116142723A (zh) * | 2023-03-20 | 2023-05-23 | 淮南市万维机电有限公司 | 一种基于芯片智能控制的皮带机智能保护预警系统 |
CN116513747A (zh) * | 2023-05-29 | 2023-08-01 | 厦门力祺环境工程有限公司 | 一种基于三维仿真模型的智能一体化安全管控方法 |
CN117509071A (zh) * | 2024-01-05 | 2024-02-06 | 苏州纽酷输送机械有限公司 | 用于气垫输送机的运输监测系统 |
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CN111537225A (zh) * | 2020-05-21 | 2020-08-14 | 煤炭科学研究总院 | 一种自供能皮带输送机的皮带状态监测装置和方法 |
CN113184483B (zh) * | 2021-04-22 | 2023-06-23 | 武汉菲舍控制技术有限公司 | 一种输送带防撕裂系统及预警方法 |
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CN113589070A (zh) * | 2021-07-09 | 2021-11-02 | 西安交通大学 | 一种自供能自传感一体的旋转部件健康监测装置 |
CN114593796A (zh) * | 2022-02-22 | 2022-06-07 | 中国恩菲工程技术有限公司 | 皮带式计量秤控制系统 |
CN115848935A (zh) * | 2022-12-19 | 2023-03-28 | 中交机电工程局有限公司 | 伸缩悬皮式自动卸料系统 |
CN116135744A (zh) * | 2023-03-20 | 2023-05-19 | 北京众驰自动化设备有限公司 | 带式输送机输送带磨损的检测方法及装置 |
CN116142723A (zh) * | 2023-03-20 | 2023-05-23 | 淮南市万维机电有限公司 | 一种基于芯片智能控制的皮带机智能保护预警系统 |
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CN116135744B (zh) * | 2023-03-20 | 2023-12-15 | 北京众驰自动化设备有限公司 | 带式输送机输送带磨损的检测方法及装置 |
CN116513747A (zh) * | 2023-05-29 | 2023-08-01 | 厦门力祺环境工程有限公司 | 一种基于三维仿真模型的智能一体化安全管控方法 |
CN116513747B (zh) * | 2023-05-29 | 2023-10-03 | 厦门力祺环境工程有限公司 | 一种基于三维仿真模型的智能一体化安全管控方法 |
CN117509071A (zh) * | 2024-01-05 | 2024-02-06 | 苏州纽酷输送机械有限公司 | 用于气垫输送机的运输监测系统 |
CN117509071B (zh) * | 2024-01-05 | 2024-03-15 | 苏州纽酷输送机械有限公司 | 用于气垫输送机的运输监测系统 |
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