173 results about "Belt speed" patented technology

The invention discloses a self-adaptive variable-frequency speed regulation device based on a scraper conveyor and a control method, and relates to the technical field of automatic control, and the method comprises the following steps: collecting real-time operation data of the scraper conveyor through a data sensing module, and determining operation demand information of equipment; the evaluation calculation module sets an operation parameter interval and generates an evaluation index. And the rotating speed correlation analysis module performs rotating speed correlation analysis on the real-time data according to the evaluation indexes, constructs a rotating speed correlation list and generates a correlation learning result. And the dynamic matching module calls the frequency converter for dynamic matching to generate an output frequency parameter group. And the linkage control strategy making module executes the intelligent speed regulation control strategy and adjusts the belt speed of the scraper conveyor. The technical problems that in the prior art, due to the fact that the speed of a scraper conveyor cannot be intelligently adjusted under different load conditions, overload shutdown is caused, the energy efficiency is low, and equipment abrasion is aggravated are solved, and the technical effects of reducing energy consumption, reducing equipment abrasion and prolonging the service life are achieved.

The embodiment of the invention relates to the technical field of permanent magnet synchronous motor control, and particularly provides a permanent magnet synchronous motor belt speed restarting method based on zero current control, a computer readable storage medium and computer equipment. The belt speed restarting method comprises the following steps that the stator current of the permanent magnet synchronous motor is adjusted to zero, and the rotor position and rotating speed information of the permanent magnet synchronous motor are preliminarily estimated; the electromagnetic torque of the permanent magnet synchronous motor is adjusted to zero, and the preliminarily estimated rotor position and rotating speed are accurately estimated; and finishing belt speed restarting of the permanent magnet synchronous motor by adopting a position sensorless control strategy corresponding to the rotating speed according to the accurate estimation result of the rotor position and the rotating speed information. With such a configuration, it is possible to improve the accuracy of position information and effectively suppress current shock during tape speed restart.

The invention provides a self-adaptive variable-frequency speed regulation control method for a belt conveyor, which comprises the following steps: acquiring current material loading capacity data through a weight sensor, comparing the current material loading capacity data with a preset standard loading capacity to obtain a deviation value of the loading capacity, and controlling the feeding speed of a feeding device according to the deviation value. The loading capacity of the conveyor is maintained within a reasonable range by adjusting the loading speed of the materials; the speed sensor is adopted to obtain current belt speed data, the current belt speed data is compared with a preset standard speed to obtain a speed deviation value, the output frequency of the frequency converter is controlled according to the size and positive and negative of the deviation value, and the belt speed is maintained within a reasonable range by adjusting the rotating speed of the motor. The control strategy can be automatically optimized according to different working conditions, belt tension and speed fluctuation are effectively reduced, stable operation of the conveyor in a complex and changeable environment is ensured, and conveying efficiency and safety are improved.

A feed control system for a spreader includes a section configuration module configured to output a section configuration and a section control module configured to receive the section configuration, determine a first actuator position based on the section configuration, and determine a second actuator position based on the section configuration. The feed control system also includes a belt speed module configured to receive the section configuration, receive a commanded belt speed, and determine a target belt speed based on (i) the section configuration and (ii) the commanded belt speed.

The invention relates to the field of anti-blocking control methods for crushers, in particular to an intelligent anti-blocking feeding control method and system for a crusher, and the method comprises the steps: initializing rated working parameters of the crusher; the current of a main motor, the speed of a feeding belt and the material level of a crushing cavity are collected in real time; the current change rate is calculated according to the current of the main motor, whether the current change rate is larger than a threshold value or not is judged, if yes, preventive speed reduction is executed, and meanwhile the size of a discharging opening is enlarged; if not, entering the next step; calculating a dynamic control quantity according to the weight coefficient, the current of the main motor, the speed of the feeding belt and the material level of the crushing cavity; controlling the crusher according to the dynamic control quantity; the system comprises a detection module, a control decision module and an execution module. The material blocking risk can be reduced in the material blocking germination period, and the anti-blocking effect is improved.

The invention discloses a motor belt speed restarting control method, device and equipment and a medium, and the method comprises the steps: obtaining the counter electromotive force of a motor; determining a motor rotating speed reference value corresponding to the counter electromotive force; the motor is controlled to be started based on the motor rotating speed reference value and preset exciting current, and the preset exciting current is larger than rated exciting current of the motor. According to the technical scheme, the preset exciting current larger than the rated exciting current of the motor is set for the motor, the motor is controlled to be started according to the preset exciting current and the motor rotating speed reference value, the motor is started through the preset exciting current larger than the rated exciting current, and therefore the rotor flux linkage can be rapidly established by the motor, and the efficiency of the motor is improved. The motor can quickly reach the optimal operation state after restarting, and the effect of improving the belt speed restarting success rate of the motor can be achieved.

According to the parcel stack removing method and system on the stack removing device, the positions of parcels are detected on the basis of multiple sets of conveying belts with height differences, the positions of the parcels are corrected in combination with a compensation offset formula, and the positions of the parcels on the belts and corresponding speed information are accurately obtained; key indexes such as area distribution, number and positions (front section / middle section / tail section) of the packages on each section of conveyor belt are calculated; on the basis of key indexes, the speed of each section of belt is dynamically adjusted according to inverted-order calculation logic, and a targeted strategy is formulated by combining the parcel position (whether the parcel reaches the tail section or not), the downstream belt state (the number and area threshold) and the like; through accurate position compensation and correction, the problem of detection deviation caused by belt operation delay is solved; by means of reverse-order calculation and multi-gear speed control, dynamic matching of the speed of the upstream belt and the speed of the downstream belt is achieved, and secondary stacking is reduced; the cooperative operation strategy of the inlet conveyor belt avoids parcel slipping, and the delay starting rule of the fall belt reduces the overlapping risk.

A treadmill with a fan that directs an airflow toward a user is provided. A fan controller receives an input signal corresponding to a belt speed of the treadmill belt and converts the input signal into an output signal to the fan to control the speed of the airflow by adjusting the rotational speed of the fan. The fan controller is calibrated to adjust the fan speed so that the air speed experienced by the user matches the belt speed, thereby accurately simulating the airflow and air resistance that the user would experience when running over ground at the same speed that the treadmill belt is moving.

The invention relates to a method, a system and equipment for calculating belt transportation volume and a storage medium. The method comprises the following steps: acquiring a belt speed at each moment in a specified time period and point cloud data generated by scanning a coal flow outer contour on a belt by a radar; according to the point cloud data, calculating the area of the cross section of the coal flow at each moment in the specified time period and the proportion of different components; and according to the belt speed, the area, the proportion of the components and the preset component density, calculating the belt conveying capacity in the specified time period. According to the technical scheme provided by the invention, the components and proportion of the coal flow are judged based on the point cloud data, and the accuracy of a coal quantity calculation result can be greatly improved.

A header and a crop merger are operably attached to a harvester, wherein the crop merger receives cut crop from the header. A controller is operably connected with the header and the crop merger to determine if the header is approaching a headland or crop to cut. The controller receives one or more of a merger belt speed provided by a belt speed sensor associated with a crop belt of the crop merger, a maximum crop flow distance, and a merger belt motor pressure provided by a merger belt motor pressure sensor associated with a motor of the crop merger to determine whether to actuate a crop merger actuator to raise or lower the crop merger as the header approaches the headland. The controller receives harvester system inputs that include at least vehicle speed and cutter width of the header to identify the headland.

The invention relates to the technical field of intelligent control and automatic equipment of mining machinery, in particular to an intelligent speed regulation feeding conical crawler belt crushing and screening station based on multi-source data feedback. Comprising a feeding machine, a material returning belt, a conical crushing set, a double-power bag, an upper screen belt, a material returning screen, a screen lower belt, a transition belt, a weak current box, a crawler chassis, a waste chute, a strong current box, a monitoring alarm system, an external operation assembly and a machine body, the crawler chassis is assembled at the lower end of the machine body, the feeding machine is assembled on one side of the machine body, and the material returning belt is assembled on the other side of the machine body; a cone breaking set is assembled at the upper end of the machine body, a wireless transmitter in an external operation assembly is assembled in the machine body, a transition belt is assembled on one side of the machine body, data transmitted back to a controllable programmer in real time is analyzed through a discharging radar level gage and a feeding radar level gage, and belt speed data is calculated. And the frequency converter controls the rotating speed of the variable-frequency speed-regulating speed-reducing motor, so that the feeding belt speed of the feeder is controlled.

A computer system (130, 800) for controlling motion of a heavy-duty vehicle (100), the system comprising at least one tyre belt speed sensor (260) according to any of claims 1-7, at least one axle speed sensor (250), and processing circuitry, where the axle speed sensor (250) is arranged to determine an angular speed (ω m ) of a drive axle associated with a wheel (101, 102, 103, 200) of the heavy-duty vehicle (100) that supports the tyre (215), and to output data indicative of the angular speed (ω m ) of the drive axle on an axle speed sensor output port, where the processing circuitry is arranged to receive the data indicative of the angular speed (ω m ) of the drive axle and the data indicative of the angular speed (ω m ) of the tyre belt (210), and0 where the processing circuitry is arranged to determine a longitudinal tyre force (F x ) associated with the wheel (101, 102, 103, 200) based on the data indicative of the angular speed (ω m ) of the drive axle and based on the data indicative of the angular speed (ω b ) of the tyre belt (210).

A control device for controlling a self-propelled combine harvester. The combine harvester comprises a draper having a plurality of conveyor belts driven at a belt speed for collecting and conveying harvested material to a conveying device in the feed channel of the combine harvester, a plurality of working units arranged or positioned downstream from the feed channel for processing the picked-up harvested material, and a drive motor for driving the draper, the conveying device, the working units and a travel drive for operating the combine harvester at a driving speed which is regulated by the control device. The control device is configured to determine the utilization of the drive motor during harvesting mode and to automatically reduce the belt speed of the conveyor belts of the draper when a first limit value for a peak capacity of the drive motor saved in the control device is exceeded.

To provide a belt speed measuring system capable of directly measuring belt speed.SOLUTION: A belt speed measuring system includes: a belt that is wound around a pulley and rotates; a single RFID tag provided on the belt, or a plurality of RFID tags provided at predetermined intervals along the length of the belt; a reading device that communicates with the RFID tags to acquire tag information; a storage device that stores length information related to the circumference of the belt or the intervals; and a processing device that calculates speed of the belt. The reading device is configured to transmit time information regarding a time point of communication with the RFID tag to the processing device and the processing device is configured to calculate speed of the belt based on the length information and the time information.SELECTED DRAWING: Figure 1

The invention provides an automatic deviation rectifying device for a bidirectional belt blanking point, and belongs to the field of deviation rectifying. The direction identification module is used for acquiring a belt running direction signal through a belt speed sensor or an encoder; the control mechanism is electrically connected with the sensor set and the direction recognition module and receives blanking position data and belt running direction signals. When it is detected that the blanking position deviates from the preset blanking center and exceeds the preset threshold range, the offset and the offset direction are calculated; in combination with the running direction of the belt, the deviation correction side corresponding to current blanking is judged, and a deviation correction instruction is generated; the adjusting device is used for adjusting the position of a blanking point according to an instruction of the control mechanism, and the bidirectional adjusting device is mounted below the blanking port and can change the material falling angle; the carrier roller capable of transversely moving is arranged below the belt, and the carrier roller is driven by a motor to adjust the local position of the belt so as to indirectly correct the blanking point. According to the invention, real-time detection, direction identification and automatic adjustment of the blanking point position are realized.

The invention discloses an ore separation injection control method and system and a medium, and the method comprises the steps: updating the estimated movement time of ore on a belt according to the # imgabs0 # moment, if the ore position # imgabs2 # at the # imgabs1 # moment is greater than or equal to the distance # imgabs3 # from a detector to an injection point, adding 1 to the number of iterations # imgabs4 #, updating the ore position # imgabs6 # at the # imgabs5 # moment, and if the number of iterations # imgabs2 # is greater than or equal to the distance # imgabs3 # from the detector to the injection point, adding 1 to the number of iterations # imgabs4 #; a Kalman filter is adopted to update the predicted value # imgabs9 # of the belt speed of the belt at the # imgabs7 # moment to the # imgabs8 # moment until the condition is met, and finally the estimated movement time # imgabs10 # of the ore on the belt is updated, and the delay time of ore separation blowing control is determined. The uncertainty caused by belt speed fluctuation and sensor feedback delay is effectively reduced on the premise of ensuring the prediction precision of the ore motion trail.

The invention provides an on-line monitoring device and an on-line monitoring method for detecting belt slipping. The on-line monitoring device comprises a millimeter wave radar sensor, a machine vision module, an anti-jumping rocker arm speed measuring mechanism and a central processing unit. The belt speed is directly measured through the millimeter wave radar, meanwhile, the rotating speed of the roller is calculated by analyzing images of the induction strips arranged on the end face of the roller through the machine vision module, and the slip ratio between the belt and the roller is accurately calculated by fusing data of the two sensors; the high anti-interference capability of the millimeter wave radar and the visual accuracy of machine vision are utilized to form advantage complementation, real-time and high-precision online monitoring and early warning of belt slipping are achieved through a data fusion algorithm, and the problems that in the prior art, the system is prone to being affected by the environment and measurement is inaccurate are effectively solved.

The present invention provides an automatic adaptive control system for flow of an electronic belt scale, comprising: an inlet material belt conveyor, an electronic belt scale and an outlet material belt conveyor; the inlet material belt conveyor conveys front-end processed materials to the electronic belt scale, and transmits them to the rear-end outlet material belt conveyor after weighing and metering; wherein the electronic belt scale comprises a scale body belt, a control system, a belt drive motor and a belt speed sensor, the belt drive motor drives the scale body belt under the control of the control system, and the belt speed sensor detects the real-time speed of the scale body belt; the controller adjusts the control of the belt drive motor according to the comparison result of the real-time speed of the scale body belt detected by the belt speed sensor and the preset reference belt speed control value, so as to change the driving of the scale body belt by the belt drive motor.

The utility model discloses a bucket elevator which comprises a shell, an elevating assembly, a belt speed detecting mechanism and an adjusting mechanism. The lifting assembly comprises an upper belt pulley and a lower belt pulley which are arranged in the shell, a transmission belt arranged between the upper belt pulley and the lower belt pulley and a hopper hinged to the side wall of the transmission belt, the belt speed detection mechanism is used for detecting the transmission speed of the transmission belt, and the adjusting mechanism is used for adjusting the tightness of the transmission belt. Whether the transmission belt is loose or not can be known by calculating the stroke length through the interval time of two signals, the matched rotating speed and the outer diameter of the belt pulley, maintenance and adjustment are needed when the transmission belt is loose, the threaded rod is driven by the driving motor to rotate, the threaded block drives the lower belt pulley to move, and the distance between the lower belt pulley and the upper belt pulley is adjusted. And the tightness of the transmission belt is adjusted.

The utility model discloses an adjustable material conveying head material collecting device which comprises a head cover, a material collector, a front-back adjusting mechanism and an angle adjusting mechanism, the front-back adjusting mechanism and the angle adjusting mechanism are installed outside the head cover, the material collector is movably installed inside the head cover, and a movable main shaft is arranged in the middle of the back side of the material collector. The two ends of the movable main shaft are installed on the sliding rail assemblies on the two sides through shaft seats. The front-back adjusting mechanism comprises a front-back driving assembly, a connecting shaft and two first worm transmission assemblies which are in transmission connection in sequence. The angle adjusting mechanism comprises an angle driving assembly and a second worm transmission assembly. According to the material collecting device, the position of the material collector can be adjusted in real time according to changes of the material type, the carrying capacity of the conveying belt and the belt speed, moving material flow is collected and limited at a low impact angle, the impact force of the material flow on the material collector is reduced, the maintenance cost of the conveying belt is reduced, and the production efficiency is improved; and each component adopts a modular design and is convenient to install.

The utility model relates to the technical field of cutting and laminating equipment, and discloses a passing roller and a diaphragm belt path of a battery core laminating machine, and the passing roller comprises a shaft core, a roller, a bearing piece and a bearing, the bearings sleeve the two ends of the shaft core; the bearing piece is arranged on the bearing; the two ends of the roller are arranged at the ends, away from the bearings, of the two bearing pieces respectively and arranged between the two bearing pieces so that the roller can drive the two bearing pieces to rotate around the shaft core when rotating. The roller cylinder of the passing roller is connected with the bearing through the bearing piece, so that the diameter of the roller cylinder is not limited by the diameter of the bearing, the situation that the diameter of the roller cylinder is too large due to the fact that the diameters of the bearing and the shaft core are large is effectively prevented, the weight of the roller cylinder is reduced, and inertia of the roller cylinder during reversing is effectively reduced; the problem that the diaphragm is wrinkled and uneven due to the fact that the roller cannot be stopped in time is solved, the quality of a battery cell is guaranteed, and the roller can be applied to a diaphragm belt path with a higher belt running speed due to the lighter roller.

To enable low-cost and highly accurate calculation of a conveyance amount of a conveyance object converted by a belt conveyor.SOLUTION: A conveyance amount calculation device 100 comprises a conveyance amount calculation unit 113 that calculates a cross-sectional area of a conveyance object on the basis of belt point cloud data indicating a shape of a belt of a belt conveyor that conveys the conveyance object, conveyance object point cloud data indicating the shape of the conveyance object, and calculates a volumetric conveyance amount of the conveyance object on the basis of the cross-sectional area and a belt speed of the belt conveyor. The conveyance amount calculation device 100 further comprises a detection unit that calculates a position of the belt on the basis of point cloud data indicating end points of the belt included in the conveyance object point cloud data, and the conveyance amount calculation unit 113 may calculate the belt point cloud data on the basis of the position of the belt.SELECTED DRAWING: Figure 4

The invention provides a plate shape control method, device and equipment, a medium and a program product, and relates to the technical field of plate shape control. The method comprises the steps that in the process of rolling a target plate blank through a target rolling mill, the plate shape of the target plate blank is controlled based on the target loading speed and the target vertical roll speed; wherein the target load speed is the target speed when the roller way of the target rolling mill is loaded, and the target load speed is higher than the original load speed of the roller way; the target vertical roll speed is the target speed of a vertical roll of the target rolling mill when the target plate blank is subjected to odd-pass rolling and a flat roll of the target rolling mill is loaded, the target vertical roll speed is lower than the original vertical roll speed, and the target vertical roll speed is determined based on the preset tension; the preset tension is determined based on a first torque when the vertical roller is loaded and a second torque when the flat roller is loaded. According to the plate shape control method, device and equipment, the medium and the program product, the rolled plate shape qualification rate of the target plate blank can be increased.

This invention discloses a belt take-up and unwinding device for a continuous belt conveyor. The device includes a take-up and unwinding assembly and a measuring assembly. The take-up and unwinding assembly includes a control mechanism, a drive mechanism, and a drum mechanism. The drive mechanism drives the drum mechanism to perform take-up or unwinding actions. The control mechanism controls the working state of the drive mechanism. The control mechanism uses the measuring assembly to measure in real time the belt speed of the outermost layer of the conveyor belt and the overall diameter of the drum during take-up or unwinding actions. Based on the measured belt speed and drum diameter, the control mechanism adjusts the working state of the drive mechanism in real time to maintain a constant belt speed during take-up or unwinding. The solution provided by this invention is applicable to the take-up and unwinding operation of continuous belt conveyors, enabling constant belt speed control during take-up and unwinding, ensuring reliable operation, especially during take-up, and effectively overcoming the problems existing in the prior art.

The invention provides a belt sampling time point control method and device, electronic equipment and a storage medium, and relates to the technical field of monitoring, contour information of coal flow on a conveying belt is obtained in real time in a non-contact measurement mode, and meanwhile, the sampling triggering moment is dynamically determined in combination with the running speed of the belt, so that the sampling time point is controlled. And the sampling trigger moment, the coal flow existence detection signal and the periodic sampling signal are subjected to interlocking logic judgment, so that the problems that in the prior art, as a contact type mechanical baffle is adopted for detection, the coal flow state is judged by depending on a fixed height threshold value and the belt speed change cannot be dynamically adapted can be solved; and meanwhile, the problems of low detection precision, inaccurate sampling trigger time and insufficient sampling representativeness caused by lack of effective interlocking with coal flow existence and periodic signals are solved.

The invention belongs to the technical field of belt conveyors, and discloses a multi-section belt conveyor operation state cooperative control method. Comprising the following steps that S1, operation parameters of the multi-section belt conveyor are collected in real time, and normalization processing is conducted on the operation parameters; according to the method, the optimal belt speed of the standby machine capable of maintaining the raw material flow of the system is predicted by setting the belt speed prediction model, the extra material loss amount generated in the replacement period of the standby machine can be quantitatively predicted through the loss amount prediction model before the standby machine is put into use, and the loss difference value is obtained based on the predicted material loss amount after the maintenance is completed. Starting a global cooperative speed compensation mechanism, scientifically distributing the material quantity needing to be supplemented to each section of conveyor in the system, calculating a global optimal belt speed adjustment scheme of each section on the premise of considering the real-time efficiency, the safety margin and the upstream and downstream positions of each section, executing the scheme in a cooperative synchronization mode, and finally achieving the optimal belt speed adjustment of each section at the minimum system disturbance and energy consumption cost. And the total conveying amount is accurately supplemented.

The invention belongs to the technical field of agricultural mechanical transmission, and discloses a stepless speed regulation and multi-gear speed change integrated threshing cylinder transmission system which comprises a driving pressure plate assembly (1), a driven pressure plate assembly (2), a V-shaped transmission belt, an electric control belt speed change mechanism and an axial flow gearbox (4). The driving pressure plate assembly (1) is fixedly installed on a power output shaft of the harvester, the driven pressure plate assembly is fixedly installed at the front end of an input shaft of an axial flow gearbox, and the V-shaped transmission belt is embedded between the driving pressure plate assembly and the driven pressure plate assembly in a surrounding mode to transmit power. The electric control belt speed change mechanism is connected with the driving pressure plate assembly (1) to adjust the distance between the driving pressure plate assembly and the driving pressure plate assembly, and stepless speed regulation is achieved. Through cooperation of stepless speed regulation and multi-gear speed change, the problems that in the prior art, the speed regulation range is narrow, precision is low, and reliability is poor are effectively solved, the operation efficiency and harvesting quality of the combine harvester are remarkably improved, and wide application prospects are achieved.

The invention discloses a carrier roller wear thickness detection method and device, and belongs to the technical field of carrier roller wear thickness detection, and the method comprises the steps: carrying out the synchronous collection of the operation speed and temperature parameters of a belt, a carrier roller and a roller; the running speed of the belt is used as a unified kinematics reference, and the rotating speed consistency of the carrier roller and the roller under the same belt speed condition is judged; inverting the actual running diameters of the carrier roller and the roller; the abrasion thickness of the carrier roller is calculated according to the difference between the actual operation diameter and the initial nominal diameter of the carrier roller; carrying out combined judgment on the operation state; and carrying out threshold judgment on the wear degree of the carrier roller and evaluating the development trend of the carrier roller. By adopting the method and the device, on the basis of wear thickness calculation, the historical change data of the wear thickness is introduced, and the wear evolution process is subjected to constraint analysis in combination with the operation state judgment result, so that the wear development trend of the carrier roller can be evaluated, and a data support is provided for carrier roller residual life prediction and operation and maintenance decision.

The present application relates to material conveying equipment field, disclose a kind of big inclination belt bucket belt excess material shake-off device, including vibration roller and transmission part, vibration roller is rotatably installed in big inclination belt bucket belt body return section one side, its roll face is equipped with multiple knock stick arranged at interval along circumference;Transmission part is connected with vibration roller transmission, for driving vibration roller rotation along with the same direction of return section operating direction.In the operation of big inclination belt bucket belt body, the linear velocity of vibration roller is greater than the operating speed of big inclination belt bucket belt body, so that multiple knock stick is in contact after instantaneous disengagement from the surface of belt, form intermittent patting action, thereby shake off residual material in hopper.The present application utilizes the instantaneous disengagement action generated by vibration roller linear velocity greater than belt speed, both cooperatively form high-frequency pulse vibration, simultaneously transmit vibration to hopper, can effectively remove adhering material in belt bucket belt hopper and on belt, avoid belt deviation and wear, without secondary pollution.

The invention relates to the technical field of coal resource scheduling, in particular to a coal resource scheduling method and system. Comprising the steps that an operation state signal, the theoretical rotating speed of a driving motor, the theoretical belt speed obtained through conversion, the instantaneous material weight per unit length output by a weighing device and economic parameters are obtained; according to the running state signal, the actual running speed of the conveying belt is calculated; based on the actual operation speed and the instantaneous weight of the material per unit length, the conveying capacity deviation is calculated; extra energy consumption in the monitoring period is calculated; calculating the consumption of the environment-friendly agent, and accounting the downstream compensation cost in combination with economic parameters; and generating an economic benefit and energy consumption loss report, and outputting a maintenance suggestion or a scheduling correction instruction. The method aims at solving the problems that in an existing coal resource scheduling method, due to the fact that conveying capacity deviation cannot be recognized in time, calculation errors of the instantaneous conveying capacity are caused, and finally the optimization effect of a scheduling system and clean and efficient utilization of coal are affected.