64 results about "Belt machine" patented technology

The invention provides a robot-coordinated coal conveying sealing-tape machine mobile inspection method and device, and relates to the technical field of robots, and the method comprises the steps: employing a worm and gear drive system to control a modular walking robot to carry out mobile inspection along a coal conveying gallery track; dynamically adjusting a multi-degree-of-freedom camera, collecting image data of the sealing-tape machine in a robot inspection process, and collecting multi-mode data of the sealing-tape machine through a multi-sensor array; feature extraction and decision-making level fusion are carried out on the adhesive tape machine image data and the multi-mode adhesive tape machine data; and constructing an adhesive tape machine fault identification channel, carrying out abnormal identification on the adhesive tape machine state abnormal feature set by adopting the adhesive tape machine fault identification channel, determining adhesive tape machine fault parameters, and carrying out robot inspection strategy adjustment and early warning closed-loop control through the adhesive tape machine fault parameters. The technical problem of low manual inspection efficiency in the prior art can be solved, and the technical effect of improving the inspection efficiency is achieved.

The utility model provides a sand drainage plate inserting device which comprises a crawler machine, a rotatable mechanical arm is arranged above the crawler machine, a plate inserting device is arranged at the front end of the mechanical arm, the plate inserting device comprises a vibration assembly, a cutting assembly is arranged below the vibration assembly, the vibration assembly comprises a vibration seat, a vibration motor is arranged above the vibration seat, and the cutting assembly is arranged below the vibration seat. A connecting flange is arranged below the vibration seat, a feeding port is formed in one side of the vibration seat and used for loading a drainage plate, the cutting assembly comprises a cutting pipe, a top flange is arranged at the top end of the cutting pipe, and the top flange is used for being connected with the connecting flange. The construction efficiency is remarkably improved, the construction difficulty is reduced, the method is suitable for various complex stratums, and the problem that in actual construction, the drainage plate is bent or even broken in the driving process and cannot penetrate through soil to reach the designed depth is solved.

The utility model relates to the technical field of TBM tunnel construction, especially relates to a kind of TBM continuous belt forced deviation rectification device and TBM continuous belt machine.Gantry has column and crossbeam;Deviation rectification structure includes first rod and deviation rectification wheel, first rod lower end can be with column vertical sliding fit, first rod upper end can be with crossbeam transverse sliding fit;Drive mechanism is connected with first rod upper end, drive mechanism can provide the recovery force after first rod upper end and crossbeam transverse sliding, and can provide the recovery force after first rod lower end vertical slide relative to column.The TBM continuous belt forced deviation rectification device of the application, deviation rectification wheel can adjust position with the lateral pressure size received, to reduce the fatigue stress of deviation rectification wheel and first rod, to increase the service life of deviation rectification wheel.

The utility model discloses a punching jig with a machine table which comprises a working table, a supporting frame is vertically arranged at the top end of the working table, a lifting plate is transversely arranged in the supporting frame, a punching cutter is transversely arranged at the bottom end of the lifting plate, and the lifting plate and the punching cutter are in the same moving direction. A jig containing table is arranged between the workbench and the supporting frame, the jig containing table is transversely located on the workbench, the jig containing table is parallel to the lifting plate, the punching cutter is parallel to the jig containing table, a jig is transversely placed on the jig containing table, and a product to be punched is transversely placed at the top end of the jig. A jig limiting frame is arranged between the jig and the jig containing table, the jig limiting frame is transversely located on one side of the surface of the jig containing table, and one side of the jig is connected with the jig limiting frame in an inserted mode.

The utility model relates to the technical field of grinding belt sanders, and discloses a travel switch assembly, which aims to solve the technical problem of lead breakage caused by up-and-down movement of an inductive switch, and comprises a support shaft and a mounting plate respectively used for fixedly connecting the support shaft and an external component, and a guide seat and an oil seal seat are sleeved outside the support shaft. The supporting shaft penetrates through a lower sealing plate of the grinding head, the oil seal seat is fixedly installed at the top of the lower sealing plate, the guide seat is installed at the bottom of the lower sealing plate, the top of the supporting shaft is fixedly connected with a locking plate, a limiting adjusting plate is installed on the locking plate, and a proximity sensor is installed at the top of the limiting adjusting plate. A limiting induction locking plate installed on a vertical plate in the grinding head is arranged, a limiting induction plate is installed on the limiting induction locking plate, and a hole used for induction of the proximity sensor is formed in the limiting induction plate. The limiting induction plate moves, and the proximity sensor does not move, so that the problem that a lead of the proximity sensor is broken due to up-down movement is avoided.

The invention relates to the technical field of tunnel boring machine construction, and discloses a TBM dual-mode deslagging switching device and method for recognizing tunneling in an underpressure mode. The technical problem that in the prior art, equipment dual-mode conversion opportunity is difficult to sense under the under-voltage condition is solved. The system comprises a multi-source working condition sensing module which is integrally installed on a TBM host and a rear support and is used for collecting tunneling state data in real time; the multi-source working condition sensing module is electrically connected with the decision-making and control center, the decision-making and control center is electrically connected with the dual-mode cooperative execution mechanism, and the system further comprises a sensing module and an adjusting device which are used for sensing the undervoltage condition and adjusting the undervoltage condition. According to the system and the method, the long screw conveyor and the belt conveyor can be intelligently decided and controlled to cooperatively work under the complex geological downhill tunneling working condition on the basis of multi-source information fusion, and it is ensured that the tunneling process is safe, continuous and efficient.

The invention discloses a hauling carrier roller device of a belt conveyor inspection robot, and belongs to the technical field of belt conveyor inspection robots, the hauling carrier roller device comprises a consignment walking supporting guide mechanism, the consignment walking supporting guide mechanism is arranged on a track and is hinged to the second end of a consignment connecting assembly; the consignment connecting assembly is used for guaranteeing that the consignment walking supporting and guiding mechanism synchronously moves along a track along with the belt conveyor inspection robot and does not collide with the belt conveyor inspection robot. The invention aims to solve the problem of replacement and transportation of new and old carrier rollers when the carrier rollers of the long-distance and ultra-long-distance coal conveying belt conveyor in an underground coal mine or a trestle are damaged, meanwhile, the function of a belt inspection robot is widened, and overflow value is provided for terminal customers.

The invention discloses a pipe belt conveyor torsion monitoring method and system based on machine vision and a storage medium, and the method comprises the steps: extracting a first laser line in a region of interest of a collected standard pipe belt conveyor image, and determining a main laser line and a reference diameter, a view conversion matrix is calculated according to the conversion relation between the oval feature of the main laser ray under the camera view angle and the circular feature of the section view; extracting a second laser line in a region of interest of a to-be-detected pipe belt machine image acquired in real time, and determining an auxiliary laser line and a main view outer ring edge inflection point; performing coordinate transformation on the main view outer ring edge inflection point according to the view transformation matrix to obtain a cutaway view outer ring edge inflection point; and calculating the torsion angle of the pipe belt conveyor according to the position relation between the inflection point of the outer ring edge of the section view and the reference diameter, and determining the torsion abnormity degree. According to the pipe belt machine torsion monitoring method and system based on machine vision and the storage medium provided by the embodiment of the invention, the accuracy of pipe belt machine torsion monitoring is improved.

The utility model relates to the technical field of pipe belt machines, in particular to a pipe twisting prevention pipe belt machine, which comprises an opening section and a round pipe section which are connected with each other, and further comprises a support arranged above the opening section, a sliding seat is horizontally connected onto the support in a sliding mode, a deviation switch is connected onto the sliding seat, and the sliding direction of the sliding seat is perpendicular to the conveying direction of the opening section. The support is arranged close to the round pipe section so that the deviation switch can be located at the position of the V-shaped pipe belt of the opening section, the sliding base is further in threaded connection with a fastening bolt, and the bottom of the fastening bolt abuts against the surface of the support. According to the pipe twisting prevention pipe belt machine, the deviation switch is arranged on the support in a sliding mode, the position can be adjusted, the deviation switch is fixed to the V-shaped opening section of the pipe belt machine, when a pipe belt deviates, the deviation switch is triggered to give an alarm, the pipe twisting phenomenon is prevented, meanwhile, the front-back position and the left-right position of the deviation switch can be adjusted, and the deviation switch is convenient to adjust. Debugging and assembling on the pipe belt machine are facilitated, and the applicability is wide.

According to the material adding method and device, the computer storage medium and the terminal, a second electromagnetic feeding machine is arranged between a conveying belt machine and a U-shaped reamer, and materials output to a feeding port of the U-shaped reamer are fed into the second electromagnetic feeding machine through the second electromagnetic feeding machine; the vibration treatment is performed according to the vibration amplitude which is in positive linear correlation with the operation frequency of the belt conveyor, and the vibration amplitude is larger when the materials are more, so that uneven distribution caused by material accumulation is avoided, the distribution uniformity of the glass fibers on the board core is improved, and a technical support is provided for improving the mechanical index of the gypsum board.

The utility model discloses a U-shaped iron core end full-automatic polishing belt sander which comprises a workbench arranged on a machine frame, a control table and a circulating abrasive belt are arranged on the machine frame, and the circulating abrasive belt is wound between abrasive belt driving mechanisms. The U-shaped iron core feeding mechanism and the U-shaped iron core discharging mechanism are arranged on the two sides of the circulating abrasive belt. The contact switch array can detect the grinding effect of the U-shaped iron core, the circulating abrasive belt is divided into a plurality of working areas, an optical sensor and / or a camera capable of detecting the use degree of the abrasive belt in the working area in real time are / is arranged at the corresponding position of each working area, and when the use degree exceeds a threshold value, the next working area is automatically replaced for grinding. The replacement frequency of the abrasive belt can be effectively reduced, and the utilization efficiency of the abrasive belt is improved. All the structures are tightly matched, and full automation of the grinding process can be achieved.

The anti-falling device of the telescopic belt conveyor comprises clamping groove plates, bases and clamping devices, the clamping groove plates are installed on the two sides of the telescopic belt conveyor, a plurality of limiting clamping grooves are formed in the clamping groove plates, the bases are installed on the ground on the two sides of the telescopic belt conveyor, the clamping devices are arranged on the bases, and the limiting clamping grooves are formed in the clamping groove plates. The clamping device comprises a mounting base, an electromagnet, a traction assembly, a clamping tongue piece, a limiting supporting plate and a rotating shaft, the mounting base is arranged on the base, the electromagnet and the rotating shaft are both arranged on the mounting base, the rotating shaft is located below the electromagnet, the two ends of the clamping tongue piece are rotationally connected with the rotating shaft and the traction assembly respectively, and the other end of the traction assembly is connected with the electromagnet; an inverted arc angle is arranged at the bottom of the clamping tongue piece, and the limiting supporting plate is arranged on the base and provided with a supporting via hole for the clamping tongue piece to penetrate through. The technical problems that in the prior art, due to the fact that a lifting device is damaged or a circuit breaks down, the telescopic belt conveyor falls, goods are crushed by the telescopic belt conveyor, even workers are pressed, and safety accidents happen are solved.

The automatic casting sprue grinding machine vision equipment comprises a material disc conveying frame, a lifting channel is arranged at the front end of the material disc conveying frame, a positioning frame is arranged on one side of the front end of the material disc conveying frame, and a positioning clamping mechanism is arranged on the side face of the positioning frame. The top of the positioning frame is provided with a four-axis mechanical arm used for clamping products in the material disc to the positioning clamping mechanism and a visual recognition assembly used for recognizing the products, and the other side of the front end of the material disc conveying frame is provided with a six-axis mechanical arm used for clamping the products of the positioning clamping mechanism to the belt sander. The four-axis mechanical arm is matched with the visual recognition assembly, products are taken out of a material tray and placed in the positioning and clamping mechanism, the product position precision is improved, the six-axis mechanical arm can stably clamp the products in the follow-up process, and the alarm rate is reduced; a plurality of material trays containing products can be pre-stored in advance, the material trays containing the products can be automatically supplemented, the material supplementing frequency is reduced, and meanwhile the movement path of the mechanical arm is shortened.

The application discloses a pipe belt machine energy-saving control method, device, computing equipment, and computer program product. The energy-saving control method comprises the following steps: setting a rated speed and a minimum running speed of a conveying belt of the pipe belt machine; accelerating the speed of the conveying belt from zero to the rated speed in an empty state and a full load state respectively to obtain an empty load frequency change value and a full load frequency change value when the speed changes per unit; obtaining a current frequency change value according to a current torque value, a current speed value, the empty load frequency change value, the full load frequency change value, an empty load torque, and a full load torque; monitoring the current speed value in real time; switching to a speed-up state when the current speed value is lower than a uniform speed value, and adjusting an increased given frequency according to the current frequency change value; and switching to a speed-down state when the current speed value is higher than the uniform speed value, and adjusting a decreased given frequency according to the current frequency change value. On the basis of effectively realizing energy-saving control, control cost and operation reliability are reasonably considered.

The utility model discloses a tearing prevention and control device for a mining coal conveying belt conveyor. The tearing prevention and control device comprises a coal conveying belt conveyor body and a tearing prevention and control mechanism. The tearing prevention and control mechanism comprises a mounting plate, a camera, an infrared sensor and a control panel; a pair of mounting plates are arranged in a mirror image mode, the two mounting plates are fixed to the two sides of the coal conveying belt conveyor body through mounting mechanisms correspondingly, the top ends of the two mounting plates are connected with upper supporting plates located over the coal conveying belt conveyor body correspondingly, and the camera faces the coal conveying belt conveyor body after being detachably mounted on the upper supporting plates; the bottom ends of the two mounting plates are connected with lower supporting plates extending to the position under the coal conveying belt conveyor body correspondingly, a connecting plate is detachably connected between the two lower supporting plates, and the infrared sensors are evenly arranged on the top face of the connecting plate in an embedded mode. Compared with the prior art, the anti-tearing device has the advantages that the camera and the infrared sensor can monitor the surface condition of the belt in real time, and potential tearing risks can be found and early warned in time.

1. Name of the product in this design: Graphical User Interface for Soundprint Monitoring of Belt Conveyor in Electronic Equipment. 2. Purpose of this design: An electronic device. 3. The key design feature of this product is its graphical user interface. 4. The image or photograph that best illustrates the design's key features: the front view. 5. The product carrier uses a conventional design, omitting the rear view, left view, right view, top view, and bottom view. 6. Purpose of the graphical user interface: It is mainly used for real-time monitoring of the status of the belt conveyor through voiceprint. 7. Human-computer interaction method of graphical user interface: The main view is the belt conveyor sound fingerprint monitoring page. Click the "Inspection Mode" button in the lower right corner of the interface in the main view to enter the change status diagram, which can monitor the belt conveyor status at close range.

The invention relates to a semi-automatic unstacking and truck loading system which comprises a feeding conveying line, an unstacker, a tray warehouse, a climbing belt conveying line, a turning roller conveying line, a follow-up belt conveying line, a telescopic belt conveyor, a damping swing assembly, a hydraulic lifting platform and a supporting base, the feeding conveying line is in butt joint with the unstacker, and the tray warehouse is arranged on the side face of the unstacker; the discharging end of the unstacker is connected with the lower end of the climbing belt conveying line, the upper end of the climbing belt conveying line is connected with one end of the turning roller conveying line, the other end of the turning roller conveying line is connected with the follow-up belt conveying line, the follow-up belt conveying line slides on the telescopic belt conveyor, and a damping swing assembly is arranged at the output end of the telescopic belt conveyor. The lower end of the telescopic belt conveyor is arranged on the hydraulic lifting platform which is arranged on the supporting base. The unstacking, conveying and loading processes are connected in series, the labor intensity of loading and unstacking personnel is reduced, the automation level is remarkably improved, the loading distance is automatically adjusted, and the loading efficiency is greatly improved.

The invention provides a special tool for a numerical control belt sander to machine a round edge of a kitchen knife, and relates to the technical field of kitchen knife machining, the special tool comprises a vertical rack and further comprises a workpiece machining positioning assembly, and the workpiece machining positioning assembly comprises machining bearing tables fixedly connected to the two ends of the outer side of the vertical rack; a base fixing seat is fixedly connected to the interior of the machining bearing table, and bottom supporting frames are fixedly connected to the four corners of the top end of the base fixing seat; the workpiece positioning assembly comprises a positioning support fixedly connected to the bottom supporting frame. The synchronous positioning driving assembly comprises a transmission rotating wheel rotationally connected to the bottom supporting frame, and a tensioning limiting wheel is fixedly connected to the top end of the base fixing seat, so that the beneficial effects that manual calibration is not needed during kitchen knife feeding, and the operation difficulty is reduced are achieved through the design; the problems of manual placement calibration and large positioning errors are solved, the kitchen knife positioning precision is remarkably improved, and the consistency of batch machining is guaranteed.

The utility model relates to positioning navigation magnetic stripe technical field discloses a kind of coal conveying rubber belt machine inspection robot positioning navigation magnetic stripe, including high-strength magnetic stripe, the end of high-strength magnetic stripe is provided with modularization connecting mechanism, and modularization connecting mechanism makes high-strength magnetic stripe be standard modularization unit, and modularization connecting mechanism includes connecting card frame and connecting card piece, and connecting card frame is fixedly connected at one end of high-strength magnetic stripe, and connecting card piece is fixedly connected at the other end of high-strength magnetic stripe.The utility model is designed by modularization connecting mechanism whole, makes high-strength magnetic stripe be standard modularization unit, by quick buckle connection, reduce on-site cutting workload, can replace module alone after damage, reduce maintenance cost, by the design of full package type sealing structure, can be wrapped protection to positioning navigation magnetic stripe main body, for coal slime water, oil stain erosion in coal conveying environment, can prolong the service life of positioning navigation magnetic stripe main body, reduce the frequency of maintenance.

1. The name of the design product: double head connected belt machine. 2. The use of the design product: for the protection layer of the metal core wire. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The application provides a pipe belt conveyor, and relates to the technical field of pipe belt conveying, which comprises a tubular conveying belt, support frames uniformly distributed along a conveying direction, and a deviation rectifying roller set mechanism arranged thereon. The deviation rectifying roller set mechanism is composed of a fixing disc, a synchronous connection assembly, a deviation rectifying driving assembly, and a circumferentially distributed deviation rectifying roller assembly. The deviation rectifying roller assembly rolls and supports the tubular conveying belt in an arc surface. A deviation rectifying monitoring assembly is arranged between adjacent support frames, and is used for monitoring a surface marking line and a splicing joint of the tubular conveying belt. A control system judges deviation or torsion according to a monitoring signal, and controls the deviation rectifying driving assembly to drive the synchronous connection assembly to rotate, drives all the deviation rectifying rollers to synchronously deflect, applies a circumferential torsion force to the conveying belt, and realizes automatic correction of the deviation and the torsion. The application realizes real-time monitoring and automatic and accurate deviation rectification of a running state of the tubular conveying belt, effectively prevents damage of the belt body and material spilling, and significantly improves the reliability of equipment operation.

The application discloses a roller inspection device and method, the device comprises: an image acquisition module, a sensing module and a controller, a positioning label is pasted on the starting position of the change of the distance between rollers in the pipe belt machine in advance, in the process of uniform speed running of the roller inspection device, when the controller determines that the sensing module senses the current positioning label at the current time, the current roller distance recorded by the current positioning label is acquired, the adjacent roller interval time is obtained based on the current roller distance and the uniform speed running speed of the roller inspection device, the target roller image collected by the image acquisition module is acquired when the adjacent roller interval time is reached from the current time, the target inspection area located in the preset reference inspection range is determined from the target roller image, and roller abnormality detection is carried out. The target inspection area adopted when the roller is inspected is the best image of the roller located at the center position of the roller image, therefore, the data processing amount is reduced, and the roller inspection efficiency is improved.

The invention relates to an intelligent high-precision positioning and early warning system for faults of a belt conveyor, which is applied to the field of transportation equipment, detects, positions and early warns the faults by arranging a plurality of groups of protection devices along the belt conveyor, realizes remote acquisition of data and control of the belt conveyor by utilizing an IO technology, effectively avoids interference of environmental factors, and improves the working efficiency. The temperature of the carrier roller is monitored in real time through the distributed temperature measurement optical fibers, the rotating state of the carrier roller is detected through the temperature measurement follow-up balls, the control processor fuses two types of data, accurate judgment of fault types is achieved, the detection precision of the carrier roller with faults is effectively improved, and therefore the misjudgment situation is avoided; and the distributed temperature measurement optical fibers can accurately position a plurality of carrier rollers on the same column, so that maintenance personnel are helped to quickly find out the carrier rollers with faults.

The invention discloses an automatic labeling machine for mouth wash bottle bodies, and relates to the technical field of labeling equipment, the automatic labeling machine comprises a conveying belt machine table for driving the bottle bodies to move linearly, a mounting block is mounted above the conveying belt machine table in parallel, and a first label pressing unit and a second label pressing unit are arranged on the same side face of the mounting block; the first label pressing unit and the second label pressing unit jointly form an extruding and pasting structure, the extruding and pasting structure can completely cover bottle labels on the conveying belt machine table, a power assisting unit is installed on the installation block, and the power assisting unit can provide assistance for the extruding and pasting structure and the bottle labels to be attached all the time. The mounting block, the first label pressing unit and the second label pressing unit are arranged on the conveying belt machine table, so that a squeezing and pasting structure for completely covering bottle labels on the conveying belt machine table is formed, the labels on the bottles can be integrally pressed and smoothed, the firmness degree of the labels on the bottles is improved, and the pasting quality of the labels is improved.

The utility model relates to the technical field of conveying equipment, and provides a cleaning device suitable for online cleaning of belt roller materials and a conveying belt thereof, the cleaning device comprises a hinge seat, a long crank arm, a blocking piece and a cleaning piece; the long crank arm is provided with a hinge point, the hinge point is rotatably arranged on the hinge seat, the sweeping piece is arranged at the front end of the long crank arm, and a blocking piece is arranged at the rear end of the long crank arm. The long crank arm, the hinge base, the blocking piece and the sweeping piece are connected to form a lever structure, the sweeping piece is operated to make contact with the surface of the roller for cleaning when the roller material needs to be cleaned, the sweeping piece does not need to make contact with the roller most of time, and the roller material cleaning device has the advantages of being simple in structure, convenient to operate and install, time-saving, labor-saving, high in transportability and convenient to use. The device is suitable for online cleaning of the turnabout drum of the belt conveyor under different working conditions, so that the purposes of non-stop cleaning and stable transportation are achieved.

1. The name of the design product: electronic device tower belt machine control graphical user interface. 2. The use of the design product: an electronic device. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: design 1 front view. 5. The design points are only in the graphical user interface, and the other views of the product are conventional designs. The rear view, left view, right view, top view, and bottom view of design 1, design 2, and design 3 are omitted. 6. Design 1 is designated as the basic design. 7. The use of the graphical user interface: for monitoring the operation of the tower belt machine and controlling the tower belt machine. 8. The human-computer interaction mode of the graphical user interface: in design 1 front view, the initial state of the tower belt machine is displayed, and the design 1 interface change state diagram can be entered under the operation of the tower belt machine; in design 2 front view, clicking on the third from the top right corner "fault information" icon can enter the design 2 interface change state diagram; in design 3 front view, clicking on the third from the top right corner "fault information" icon can enter the design 3 interface change state diagram. 9. Other circumstances that need to be explained: the text and numbers in each view of the design to be protected can be displayed according to the actual situation.

The present application relates to a kind of bulk cargo wharf belt conveyor intelligent dedusting anti-blocking method, system and equipment.The method includes collecting dust concentration data and the data of material blocking height in the operation process of belt conveyor;Determine whether dust concentration data or material blocking height data exceeds preset threshold;If yes, obtain the field image;The target area is confirmed by identifying the field image;According to target area, control corresponding dust removal equipment to carry out dust removal or control corresponding to clear the blocking equipment to carry out clear blocking.The method can reduce false alarm and false negative caused by environmental reasons;Only after dust concentration or material blocking height exceeds threshold, field image is obtained, image analysis is carried out, which can effectively save computing resources and energy consumption, reduce data processing task amount, save cost;Through the acquisition and analysis of voiceprint data and thermal imaging data, early detection and early warning of potential mechanical failure can be realized, to prevent the severity of failure from further increasing, prolong the service life of equipment, reduce maintenance cost.

The invention discloses a belt conveyor material flow induction device for powdery materials, and belongs to the technical field of material conveying. The device comprises a limiting switch, a connecting piece and an induction baffle. The connecting piece is formed by connecting a rigid connecting rod and a flexible chain segment in series; one end of the rigid connecting rod is fixedly connected with a trigger arm of the limit switch through a locking nut and is adjustable, the other end of the rigid connecting rod is connected with the upper end of the flexible chain section, and the lower end of the flexible chain section is connected with the induction baffle. According to the device, the weak thrust of the powdery material is converted into amplified torque through a mechanism that rigid lever transmission is dominated and flexible buffering is assisted, and the limiting switch is driven to act; meanwhile, the distance between the induction baffle and the surface of the belt can be accurately controlled by adjusting the locking nut, and various material thickness working conditions are adapted. The problem of insufficient driving force is fundamentally solved, 100% reliable detection of powdery materials is achieved, the automatic sampling efficiency is improved, and the automatic sampling device is suitable for industrial conveying scenes such as wharfs and the like.