14539 results about "Belt conveyor" patented technology

A belt conveyor with a deviation rectifying function and a conveying belt deviation rectifying method, the belt conveyor comprising a deviation-rectifying support (10), a deviation-rectifying mechanism (20), a carrier roller (30), a conveying belt (40), a plurality of sets of deviation measurement mechanisms (50) and an electric control mechanism (60), wherein the deviation-rectifying mechanism (20) is mounted on the deviation-rectifying support (10) and comprises a center-adjusting swing frame (21), a rotary power assembly (22) and a cross shaft assembly (23); the center of a swing frame of the center-adjusting swing frame (21) is connected to the deviation-rectifying support (10) by means of the cross shaft assembly (23), and the carrier roller (30) is mounted at the top of the center-adjusting swing frame (21); the rotary power assembly (22) is arranged below the center-adjusting swing frame (21) and is connected to the center-adjusting swing frame (21); and the deviation measurement mechanism (50) is arranged aside the deviation-rectifying support (10) or directly above the deviation-rectifying support (10); the electric control mechanism (60) is connected to the rotary power assembly (22), controls the rotary power assembly to rotate and drives the center-adjusting swing frame (21) to swing around the center of the swing frame; and the conveying belt (40) is corrected in position on the basis of deflection generated by the carrier roller (30).

The invention discloses a belt conveyor fault identification and prediction method and system, and relates to the technical field of digital intelligent monitoring of belt conveyors, and the method comprises the steps: collecting the operation data of a belt conveyor in real time through various sensing devices arranged on the belt conveyor, analyzing the collected video data and multi-modal data through an AI algorithm, and carrying out the real-time monitoring of the operation data of the belt conveyor; analyzing the operation state and fault prior information of parts and materials of the conveyor, inputting the information into a dynamic simulation model, simulating the common influence of various faults on the belt conveyor through Monte Carlo simulation, and calculating the probability prediction values of the various faults; finally, an analysis result is displayed in real time in combination with modes of graphic display, probability curves and the like, and working personnel are timely notified of occurred and about-to-occur faults; meanwhile, fault probability prediction and operation data serve as training data again to conduct incremental learning on the AI algorithm, and the accuracy of the AI algorithm is continuously improved.

The invention discloses a multi-modal monitoring and anomaly detection method, system and device for a belt conveying system and a medium, and belongs to the technical field of anomaly detection.The method comprises the steps that a plurality of multi-modal sensors are arranged on the whole path along the path of the belt conveying system, and original signals in the running process of the belt conveying system are collected; the original signals are preprocessed; performing environment compensation calculation to generate engineering data; mapping the engineering data to the same space coordinate system of the belt conveying system, and completing feature extraction to obtain feature vectors; multi-modal fusion analysis is carried out on the feature vectors, abnormal state identification and fault level classification are realized, and an early warning signal and a risk level are output; and executing a matched response control strategy according to the early warning signal, the risk level and the corresponding space coordinate system position. According to the method, the abnormal state can be dynamically recognized under the complex working condition, differential response control is achieved, and the recognition capability and processing precision of early-stage, multi-source and dynamic anomalies are improved.

The invention discloses a tension optimization control system and method for a tensioning device of an underground coal mine belt conveyor, and relates to the technical field of tensioning device optimization control. The method comprises the steps that S1, multi-source tensioning data are collected in real time, and data preprocessing is conducted on the multi-source tensioning data; s2, predicting a coal flow load based on historical multi-source tensioning data, and taking a dynamic compensation measure for a tensioning device; s3, in combination with the multi-source tensioning data and the coal flow load prediction result, collaborative distribution is carried out on the hybrid execution mechanism, and automatic regulation and control are carried out based on the collaborative distribution result; s4, abnormity is detected in real time based on the multi-source tensioning data, and early warning is carried out; s5, performing safety risk assessment according to the real-time multi-source tensioning data, and taking adaptive regulation and control measures in combination with a safety risk assessment result and an anomaly detection result; the problem that faults are caused due to the fact that high-frequency pulsation and short-time impact of belt tension are difficult to adjust in time is solved.

The invention relates to a multi-source information-based carrier roller fault detection system and method, which can quickly and accurately diagnose the fault type and position of a carrier roller by using a plurality of sensors to collect data, training a data fusion model and a carrier roller fault diagnosis model through a deep neural network and combining a temperature detection device. The invention solves the problems that the current fault detection of the port belt conveyor carrier roller mainly depends on manual regular inspection, the workload is large, the efficiency is low, the working environment is dangerous, and the dust on the inspection site seriously harms the body health of people. Carrier roller faults can be found in time, equipment shutdown time can be shortened, and loading and unloading efficiency and production capacity are improved. And the risk of accidents in equipment operation is reduced, and the safety of a working place is improved.

The invention relates to the technical field of belt conveyor carrier roller fault monitoring, and discloses a belt conveyor carrier roller fault distributed optical fiber monitoring system which comprises a double-light-source DAS system, optical fiber information acquisition, filtering preprocessing, time domain analysis, time-frequency domain analysis, phase analysis, multi-mode feature fusion, fault classification and fault position and grade output. By building a dual-light-source polarization diversity DAS system and combining an adaptive filtering preprocessing technology, high signal-to-noise ratio acquisition and noise reduction processing of vibration signals are realized, dual-light-source orthogonal polarization state transmission effectively suppresses polarization fading, wavelet packet denoising and variable-step LMS filtering collaboratively filter environmental noise and pulse interference, and the noise reduction performance of the vibration signals is improved. Meanwhile, the application of the dynamic weighted root-mean-square value and the continuous wavelet transform ensures the accurate capture of the time domain energy characteristic and the frequency domain time-varying characteristic, and lays a reliable foundation for the multi-modal characteristic fusion.

The invention discloses a fault prediction and health management system for a belt conveyor, relates to the technical field of intelligent monitoring and management of mechanical equipment, and aims to solve the problems of fault recognition lagging and high misjudgment rate caused by insufficient consideration of real-time performance and high reliability required by industrial equipment. Motor current fluctuation, roller temperature change rate, belt tension distribution and vibration spectrum data are acquired in real time through a data acquisition unit; the fault feature extraction unit extracts abnormal features based on wavelet transform, and calculates an operation stability index through a principal component analysis method; the risk assessment unit combines the abnormal features, the abrasion loss and the stability index, and adopts fuzzy logic reasoning to judge the fault risk level; and the intelligent regulation and control unit dynamically regulates and controls the operation state or gives an alarm according to grading processing, so that accurate early warning and intelligent response of early faults of the equipment are realized.

The utility model provides a loading and unloading vehicle operation docking system. The loading and unloading vehicle operation docking system comprises a first robot, a telescopic belt conveyor, a flexible matching conveying line and a second robot. The first robot is used for placing materials to be loaded on the telescopic belt conveyor; the front end of the telescopic belt conveyor is connected with the second robot through the flexible matching conveying line; the telescopic belt conveyor is matched with the flexible matching conveying line and used for conveying materials into the operation range of the second robot. And the second robot is used for moving into a specified compartment body according to a first control instruction sent remotely and / or a second control instruction generated by a processor of the second robot, and moving and working in the compartment body according to the working progress. According to the telescopic belt conveyor, due to the fact that the movement speed of the telescopic belt conveyor is different from that of the second robot, the length difference generated when the telescopic belt conveyor is matched with the second robot is generated when the telescopic belt conveyor is stretched or shortened, and operation efficiency is improved.

The utility model discloses a double-round-pipe-track prone-track inspection robot for inspection of a belt conveyor, and relates to the technical field of inspection robots, the double-round-pipe-track prone-track inspection robot comprises a double-round-pipe-track mechanism and an inspection robot, and the double-round-pipe-track mechanism comprises a plurality of mounting assemblies and a pair of combined round pipe tracks. According to the utility model, the plurality of mounting components and the pair of combined circular tube tracks are adopted to realize mounting, specifically, the pair of combined circular tube tracks are respectively mounted at the bottoms of the plurality of mounting components in a mounting manner to form double circular tube tracks, tracks are provided for the inspection robot, and the belt type conveying equipment does not need to be perforated or welded, so that the mounting is simple and convenient, and the production efficiency is improved. The inspection robot stably operates below a groove-shaped belt of the belt type conveying equipment to inspect the interior of the belt type conveying equipment, a double-circular-pipe-rail mode is adopted, the inspection robot operates on circular pipe rails in a lying posture instead of a hanging posture, the gravity center is located above circular pipes and is close to the circular pipe rails, and operation is more stable.

The invention discloses automatic feeding and discharging equipment for testing a vibration motor, and belongs to the technical field of feeding and discharging equipment, and the automatic feeding and discharging equipment comprises a main flow line rack, a sound insulation shielding box placement rack, an NG flow line rack and a test carrier for loading the vibration motor, a feeding streamline and a discharging streamline are arranged at the top end of the main stream line rack; each of the feeding streamline and the discharging streamline comprises a streamline bottom plate, a streamline side plate, a belt conveyor, a streamline blocking and positioning mechanism and a jacking plate passing mechanism; by means of the mode, the mechanical arm drives the three sets of pneumatic clamping jaws to control the test carrier to complete automatic feeding and discharging operation of the test carrier under cooperation of the feeding streamline, the jacking plate passing mechanism, the jacking plate passing mechanism of the discharging streamline and the jacking carrier plate assembly, and the testing efficiency is effectively improved; noise and rhythm requirements are both considered through splitting of feeding and discharging actions, so that the noise can be controlled within the range lower than 55 db while the equipment meets the rhythm requirements.

The utility model discloses a lifting device for quickly replacing a carrier roller of a belt conveyor. The lifting device comprises a base, a connecting pull rod and a lifting frame, the base comprises a base base table, an adjusting groove is formed in the surface of the base base table, an adjusting lead screw with threads is arranged in the adjusting groove, and the adjusting lead screw can rotate around the axis of the adjusting lead screw. The connecting pull rod comprises a fixed pull rod and a movable pull rod; the upper end of the fixed pull rod is hinged to the lifting frame. The lower end of the fixed pull rod is hinged to the base. The upper end of the movable pull rod is hinged to the lifting frame, a nut sleeve is arranged at the lower end of the movable pull rod and arranged on the adjusting lead screw in a sleeving mode, the nut sleeve can be driven to move away from or close to the lower end of the fixed pull rod by rotating the adjusting lead screw, and therefore the lifting frame is driven to descend or ascend. According to the utility model, the conveying belt can be quickly and conveniently lifted up from the lower part, so that the carrier roller can be quickly replaced, a series of work of fixing a chain hoist to hoist the conveying belt is omitted, the labor intensity is reduced, and the maintenance work can be completed by only 1-2 persons.

The utility model relates to the technical field of belt conveyors, in particular to a movable high-precision intelligent belt constant feeder which comprises a conveying support, a conveying belt and a weighing assembly, the conveying belt is rotationally arranged on the conveying support, and the weighing assembly comprises a weighing roller, a weighing sensor, a speed sensor, a controller and a digital display dial plate. The weighing roller is arranged in the conveying belt and abuts against the conveying belt, the weighing sensor is connected with the weighing roller and the conveying support and used for outputting weight signals, the speed sensor is arranged in the conveying belt and used for outputting speed signals, and the controller is electrically connected with the weighing sensor, the speed sensor and the digital display dial plate. The controller responds to the weight signal and the speed signal and is used for controlling the digital display dial plate to display the weight value in real time. The bulk cargo transfer weight measuring device has the effect that the bulk cargo transfer weight can be accurately measured in the conveying process of the conveying belt.

The invention relates to the technical field of belt conveyor dynamic characteristic research, in particular to a wheel track type belt conveyor dynamic characteristic simulation method, which comprises the following steps of: establishing dynamic models of a conveying belt, a vehicle supporting device, a tensioning device and a driving device, setting dynamic parameters and boundary conditions and initial conditions of the dynamic models, and calculating dynamic characteristics of the conveying belt, the vehicle supporting device, the tensioning device and the driving device. And compiling a calculation program by using numerical calculation software, and simulating the vibration condition of the conveying belt at a bearing section and the vibration condition of the conveying belt passing through a track gap when the conveying belt runs at a constant speed. According to the method, the MATLAB is used for numerical calculation simulation analysis, and the dynamic response condition of vibration in the advancing process of the conveying belt can be accurately subjected to simulation analysis; and the MATLAB numerical simulation result is verified in combination with a three-dimensional simulation mode, so that the accuracy of the simulation result is ensured.

The invention relates to the technical field of belt conveyor dynamic characteristic research, in particular to a trailer type belt conveyor dynamic characteristic simulation method, which comprises the following steps: respectively carrying out stress analysis on a trailer frame, each wheel and a conveying belt unit in a trailer unit, and sorting the degree of freedom; establishing an overall coordinate system, a vehicle body coordinate system, a contact coordinate system and a conversion relation; respectively establishing kinetic equations of the wheel pair and the vehicle supporting frame; kinetic parameters of the trailer unit are determined; according to the Hamiltonian principle, a vehicle supporting frame vertical motion equation and a vehicle supporting frame nodding motion equation are established, and then a linear second-order differential equation of a vehicle supporting unit is obtained; and compiling a calculation program by using numerical calculation software, and simulating the wheel-rail vibration characteristics of the trailer unit in the straight-line-segment advancing process. On the basis of the multi-degree-of-freedom multi-body dynamics theory, a trailer type belt conveyor system nonlinear dynamics equation is constructed, and a wheel pair, a trailer frame and a six-degree-of-freedom motion equation for coupling the wheel pair and the trailer frame are analyzed.

The utility model relates to the technical field of laser cutting machines, in particular to a dust removal structure for a laser cutting machine, and solves the problems that dust and impurities are generated in the working process of the existing laser cutting machine in the prior art, the working environment and the body health of operators are affected, the interior of the cutting machine needs to be cleaned regularly, and the working efficiency is high. The workload of workers is increased, and the practicability of the dust removal mechanism of the cutting machine is reduced. A dust removal structure for a laser cutting machine comprises a mounting box, a mounting groove is formed in the top of the mounting box, a belt conveyor is fixedly mounted in the mounting groove, sliding grooves are formed in the surfaces of the two sides of the top of the mounting box, a mounting shell is arranged above the mounting box, the bottom end of the mounting shell is matched with the sliding grooves, and a brush cylinder is arranged in the mounting shell. Dust and impurities generated in the cutting machine are effectively cleaned, the situation that follow-up operation is affected due to accumulation of the dust and impurities is avoided, and the practicability of the dust removal mechanism is improved.

The invention provides a belt conveyor carrier roller fault sound detection method and system, and relates to the field of nondestructive fault detection, and the method comprises the steps: obtaining a time-frequency domain characteristic pattern X of a sound signal; performing feature extraction on the X through a plurality of convolutional layers with different sizes to obtain a multi-scale feature map # imgabs0 #; performing deeper-level fault feature mapping of the spatial dimension and the channel dimension on the # imgabs1 # through a first Ghost module, a deep convolutional layer, a spatial channel collaborative attention module and a second Ghost module in sequence to obtain a high-level semantic feature map # imgabs2 #; inputting # imgabs3 # into a classifier module to obtain a classification result, and completing model training by using a cross entropy loss function and a re-parameterization training method to obtain a fault detection model; and performing short-time Fourier transform on a sound signal to be detected, and inputting the sound signal to the trained fault detection model to obtain a fault diagnosis result. According to the invention, the accuracy and real-time performance of belt conveyor carrier roller fault detection are improved.

The invention discloses an automatic balance adjusting method for a deviation rectifying device of a belt conveyor, and relates to the technical field related to conveyors. The method comprises the steps that basic information of a conveying belt of a target belt conveyor is obtained; correcting node optimization of the correcting device is carried out, and optimal correcting point location distribution is generated; a plurality of deviation rectifying devices located at a plurality of point positions are distributed and configured according to the optimal deviation rectifying point position; belt deviation monitoring is carried out at a plurality of point positions through a transmission roller, and deviation point positions, corresponding belt deviation amounts and corresponding target deviation correcting devices are generated; generating a balance pilot control vector; and driving the corresponding electric push rod to carry out deviation correction according to the balance guide control vector. The technical problems that due to the fact that deviation of a conveyor belt is difficult to accurately monitor in real time in an existing conveyor deviation rectifying device, the balance adjustment response speed is low, the adjustment precision is limited, and the deviation rectifying efficiency and accuracy of the conveyor deviation rectifying device are insufficient are solved, and the technical effect of improving the deviation rectifying efficiency and accuracy of the deviation rectifying device is achieved.

The invention belongs to the field of optical fiber sensing technology and artificial intelligence, and particularly relates to a mining belt conveyor intelligent monitoring method and system based on the optical fiber sensing technology. The monitoring method comprises the following steps: acquiring sound wave optical fiber sensing data and carrying out LogFBank preprocessing; constructing a sound wave optical fiber sensing state monitoring model based on the PANNs-CNN; performing feature extraction on the preprocessed sensing data by using a monitoring model; carrying out feature fusion on the extracted features by utilizing a deep learning convolutional network and a full-connection classification aggregation network structure; and outputting the data after feature fusion by using an output layer to obtain a state classification result of the belt conveyor. The belt conveyor intelligent monitoring system is constructed by using the monitoring method, and belt conveyor transportation is scientifically managed by using the monitoring system. According to the mining belt conveyor intelligent monitoring method and system based on the optical fiber sensing technology and the sound wave classification neural network, the reliability and stability of continuous monitoring of the state of the mining belt conveyor are improved, and the remarkable effect is achieved.

The invention provides a combined judgment method and system for the shield deslagging quantity, and relates to the technical field of underground tunnel construction, and the method comprises the following steps: obtaining a first deslagging quantity measured by a slag transfer groove, a first weight measured by a weight system and a first volume measured by a volume system every first tunneling distance, a weight system and a volume system are arranged on the belt conveyor; the first weight is converted to obtain a second volume corresponding to the first weight, the first deslagging amount is compared with the first volume and the second volume, three transverse deviations are obtained, and the transverse deviations are the absolute value of the difference value between any two volumes; and if all the transverse deviations are smaller than the first preset threshold value, it is judged that the deslagging amount within the first tunneling distance is normal. According to the scheme, the three modes of slag transfer tank measurement, weight system measurement and volume system measurement are used in a combined mode, errors caused by a single measurement mode are reduced, and the measurement accuracy of the slag tapping amount is improved.

The invention belongs to the technical field of belt conveyor maintenance, and particularly relates to a belt conveyor carrier roller disassembly and assembly auxiliary operation robot for a coal mine. Comprising a walking part, a power assembly, a carrier roller replacement box, a cab, an auxiliary operation platform and a lifting mechanism, the auxiliary operation platform comprises a posture adjusting platform capable of adjusting the direction, the inclination angle and the height; two groups of sliding telescopic mechanisms with the same telescopic direction are carried on the posture adjusting platform, and are respectively a left sliding telescopic mechanism and a right sliding telescopic mechanism; an action terminal of the left sliding telescopic mechanism carries a belt lifting supporting mechanism, and an action terminal of the right sliding telescopic mechanism carries a multi-degree-of-freedom disassembly and assembly manipulator; the auxiliary operation robot for disassembling and assembling the carrier roller can realize mechanical carrier roller replacement operation under the non-stop state of the belt conveyor, improve the operation efficiency, reduce the operation intensity, ensure the continuity of the coal mining process and ensure the safety and reliability of the carrier roller replacement process.

The invention relates to the technical field of color sorters, and discloses a color sorter system based on double hyperspectral cameras, which comprises a hopper, a vibration feeder, a crawler belt conveyor belt, a hyperspectral camera detection module, an air injection system, a finished product bin and a waste bin, wherein the hopper is used for inputting materials; the vibration feeder is used for uniformly conveying materials to the crawler belt conveyor belt; the crawler belt conveyor belt is used for receiving materials conveyed by the vibration feeder and continuously conveying the materials forwards; and the hyperspectral camera detection module is used for carrying out image acquisition on the material under a uniform illumination condition. Compared with a color selector based on an RGB camera, the color selector provided by the invention has more accurate spectral characteristic representation, can obtain more and more comprehensive spectral information data and has more application scenes and development spaces, and compared with a color selector based on a near-infrared camera, the color selector provided by the invention has fewer cameras and optical filters, the structure is simpler, and the wave band selection is more convenient.

The invention relates to the technical field of belt conveyors, and discloses a belt conveying device with a cleaning device. Through cooperation of the material scraping assembly, the brushing mechanism and the driving assembly, after the device is started, the driving assembly synchronously drives the material scraping assembly and the brushing mechanism, when a material scraping plate of the material scraping assembly scrapes most of materials attached to a conveying belt, the driving assembly drives a scraping blade attached to the material scraping end of the material scraping plate to move in a reciprocating mode, and the scraping plate is driven by the driving assembly to scrape the most of the materials attached to the conveying belt. When the device runs, the scraping end of the scraping plate is continuously cleaned, it is guaranteed that the material scraping effect of the scraping plate is not affected, the driving assembly drives all the brush plate bases to do reciprocating motion under the conveying belt, the two staggered brush plate bases move oppositely, bristles on the cleaning brush plate are driven to comprehensively sweep the conveying belt, and the cleaning efficiency is improved. And along with the movement of the cleaning brush plate, the bristles abutting against the conveying belt can continuously swing, the situation that the cleaning effect is lost due to long-time lodging in one direction is avoided, and the cleaning effect of the conveying belt is better.

The invention relates to the technical field of glass bottle detection, and discloses a bottle mouth endoscopic optical detection device, which comprises a transportation seat, a belt conveyor is installed at the middle position of the upper end surface of the transportation seat, glass bottles are sequentially arranged at the upper end of the belt conveyor, and a turnover shaft is horizontally installed at the position, close to the belt conveyor, of one end of the transportation seat. According to the endoscopic optical detection device for the bottle opening, a constant-speed motor is started, a connecting column drives a rotating table to slowly rotate around a large bearing through a series of transmission, so that the whole driving shell is driven to do circular motion, meanwhile, a glass bottle between two groups of curved clamping blocks synchronously rotates, and in the rotating process, the glass bottle is driven to rotate; a plurality of groups of lamp beads on the annular lamp belt emit light, the interior is illuminated through a transparent glass layer of the bottle opening, at the moment, a fixed micro camera is used for continuously shooting the inner wall of the rotating bottle opening, the purpose of automatic annular detection is achieved, and compared with manual detection, the detection error is reduced, and the working efficiency is improved.

The invention discloses a liquid nitrogen freezing and nitrogen-filled packaging system and a use method, relates to the technical field of quick freezing of foods, and aims to solve the problems that the existing liquid nitrogen freezing equipment cannot fully utilize the cooling capacity after liquid nitrogen vaporization and cannot recycle nitrogen. Comprising a belt conveyor and a quick-freezing box, the belt conveyor penetrates through the quick-freezing box, a spraying device is arranged on the upper portion of an inner cavity of the quick-freezing box, the spraying device is connected with a liquid nitrogen storage tank through a pipeline, the belt conveyor penetrates through the pre-cooling box, a pre-cooling air nozzle is arranged in the pre-cooling box, and the pre-cooling air nozzle is connected with the pre-cooling nitrogen storage tank through a pipeline. The pre-cooling air nozzle is connected with a pre-cooling nitrogen storage tank through a pipeline; the lower part of the inner cavity of the quick-freezing box is provided with a balancing air tap, and the precooling nitrogen storage tank is also connected with the quick-freezing box through a pipeline. According to the quick-freezing device, food quick-freezing is achieved, and meanwhile cold energy utilization after liquid nitrogen vaporization can be achieved.

The invention discloses a portal-type adjustable TBM continuous belt conveyor deslagging belt anti-overturning device, and relates to the field of industrial material conveying equipment, and the device comprises a base which is provided with a conveying belt used for conveying materials; the base is further provided with a door frame which is arranged on the conveying belt in a striding mode. The deviation rectifying mechanism is arranged on the door frame; the deviation rectifying mechanism is provided with a roller in rolling contact with the conveying belt and a correcting roller in contact with the conveying belt; an angle sensor is arranged at the axis of the roller and is used for detecting axis angle data of the roller in real time; and the monitoring control mechanism is in communication connection with the deviation correcting mechanism, and the monitoring control mechanism is used for judging whether the conveying belt deviates or turns over according to the roller axis angle data detected by the angle sensor and controlling the correcting roller to make contact with the conveying belt so as to correct the position of the conveying belt when the conveying belt deviates or turns over. And the problems of equipment failure and production interruption caused by deviation or turnover of the conveyor belt are avoided.

The invention provides a physical simulation test device and method for development and evolution of debris flow disasters. The physical simulation test device comprises a material source supply device used for providing materials, a material source circulation device used for material flowing and a test monitoring device, and the material source supply device comprises a movable grid-shaped belt conveyor, a water source supply device and a material source supply box; the material source circulation device comprises a circulation device and a stacking device. According to the physical simulation test device and the simulation method for development and evolution of debris flow disasters, disaster formation mechanisms and disaster movement processes of debris flow disasters composed of different material sources and under different mountain terrains can be simulated.

The invention relates to a bidirectional automatic seedbed and potted flower transfer device and method. The bidirectional automatic seedbed and potted flower transfer device comprises a conveying mechanism, a lifting mechanism, a push-pull mechanism, a grabbing mechanism, a conveying mechanism and a control system. The conveying mechanism comprises a seedbed frame, a motor, a chain, a transverse conveying supporting wheel and a chain wheel, the lifting mechanism comprises an air cylinder, a telescopic rod and a supporting rod supported on an air cylinder shaft and the telescopic rod, the push-pull mechanism comprises a push plate, a small air cylinder, a moving frame, a rail and a motor, and the grabbing mechanism comprises a portal frame and a mechanical arm. The conveying mechanism comprises a guide frame, an angle iron rail and a belt conveyor; the control system comprises a controller, a limit switch, a proximity switch, a magnetic reed switch and a photoelectric counter and is used for monitoring the position of the seedbed, accurately starting and stopping the seedbed and counting flowers. Bidirectional orderly automatic transfer of potted flowers entering and moving out of a cultivation greenhouse can be achieved, the working efficiency is improved, and the labor intensity is reduced.

The invention relates to the technical field of mining conveyor carrier roller state detection, and discloses a mining conveyor carrier roller state detection system and method, and the system comprises a sound monitoring module which is used for obtaining the noise decibel of the operation of a conveyor carrier roller; the image acquisition module is provided with a moving unit and used for acquiring running images of the carrier rollers of the conveyor. And the processing module is used for judging whether abnormal noise occurs in the operation of each carrier roller according to the relationship between the real-time noise decibels of the operation of each carrier roller of the conveyor, controlling the image acquisition module to move to the carrier roller with the abnormal noise, and acquiring the image information of the operation of the carrier roller. And the scoring module is used for performing state score evaluation according to the image information of carrier roller operation. And the alarm module is used for determining the danger level of the carrier roller according to the state score and a preset state score, and sending an alarm notice. According to the invention, through integration of sound monitoring and image acquisition technologies, comprehensive and intelligent monitoring of the running state of the mining conveyor carrier roller is realized.

A two-track bucket wheel loader comprising a bucket wheel loader (1), wherein a boom conveyor (2) is fixedly mounted at one end of the bucket wheel loader (1), symmetrically movable connecting arms (16) are attached inside the boom conveyor (2), a bucket (3) is fixedly connected to the ends of the connecting arms (16), a support platform (8) is fixedly connected to the lower end of the bucket (3), support frames (5) are fixedly connected to both ends of the support platform (8), track wheels (4) are fixedly mounted on both sides of the lower ends of the support frames (5), a belt conveyor (7) is fixedly mounted on both sides of the lower end of the support platform (8), a scraper blade (6) is fixedly mounted at the lower end of the support platform (8), and a belt scale (9) is fixedly mounted inside the belt conveyor (7).

The invention discloses a step type mine quarrying face in-situ ore moving type head section treatment process which comprises the steps that a crawler belt impact type roller crusher is arranged on a mine quarrying face in situ, and the crawler belt impact type roller crusher receives, conveys and crushes in-situ ore mined on the mine quarrying face; each crawler belt moving belt conveyor comprises a movable crawler belt driving base and a conveying belt conveyor body arranged on the crawler belt driving base, and the crawler belt moving belt conveyors are connected end to end to convey materials; the mine quarrying working face comprises a top quarrying working face arranged on the mountain top and a stepped in-mountain quarrying working face arranged on the lower portion of the mountain top. By means of the mountain height difference, the crawler belt moves the belt conveyor, so that conveyed materials roll down from a mine quarrying face towards the mountain or are directly conveyed to the downhill through the long-distance belt conveyor. According to the invention, head section crushing work and quarrying work are combined, intermediate transportation links are reduced, energy consumption is saved, cost is reduced, and flexibility and efficiency are high.