816 results about "Stacker" patented technology

The invention relates to the technical field of industrial control, in particular to an industrial stacker intelligent control system based on machine vision, and the system comprises a state resolving module which is used for carrying out the feature region decoupling of original observation data, and resolving a position deviation matrix and a deformation state variable for a rigid subspace and a flexible subspace respectively; the dynamic modeling module is used for identifying the first-order inherent frequency and the damping ratio of the mechanical structure on line and establishing a second-order impedance contact model; the impedance control module is used for generating an expected speed based on the position deviation and adaptively adjusting an impedance parameter according to a deformation state so as to carry out compliant modulation on a speed vector; and the estimation shaping module is used for correcting system time lag by using a Kalman observer and inhibiting residual vibration in combination with a zero-vibration input shaper. Through multi-dimensional physical field fusion and dynamic modeling, the problem that a rigid control model is mismatched with a flexible operation object is solved, and self-adaptive compliant control and vibration-free accurate operation of the stacking machine in the unstructured environment are achieved.

The invention relates to the technical field of automatic warehouse logistics, in particular to a stacking machine platform automatic leveling and winding drum rope winding prevention device which comprises a horizontal moving platform, a vertical frame installed on the surface of the horizontal moving platform, a lifting frame installed on the vertical frame in a sliding mode, an objective table arranged on the lifting frame, a winding drum and a steel wire rope. One end of the steel wire rope is connected with the lifting frame, and the other end is wound on a winding drum driven by a motor. According to the gravity sensing mechanism, the inclination angle of the cargo platform is converted into mechanical displacement through a pendulum bob and a sliding block structure; the gravity center adjusting mechanism transmits pressure through a hydraulic medium to drive a balancing weight to move so as to adjust the gravity center, and the cargo table recovers to be horizontal. And the cable guide mechanism is linked along with the balancing weight through the movable guide wheel group to dynamically compensate the path length difference of the steel wire ropes on the two sides, so that the cooperative control of leveling and winding prevention is synchronously realized, and the stability, safety and reliability of equipment operation are remarkably improved.

The invention relates to the technical field of intelligent data analysis, in particular to an intelligent dust suppression decision-making method and system for storage yard dust. The method comprises the steps that the dust concentration of a target storage yard monitoring point is obtained, and interpolation is conducted on the dust concentration to obtain a dust concentration distribution diagram; acquiring meteorological data of a target storage yard monitoring point, and calculating a pollution source position and pollution source intensity by using the meteorological data and the dust concentration distribution diagram; a moisture content change trend prediction model is constructed, and a stack surface moisture content prediction value changing along with time is obtained through the moisture content change trend prediction model based on the obtained stacking mechanism characteristics of the pollution source position, the stack surface moisture content and the meteorological data; and when it is judged that the predicted value of the surface moisture content of the stack is smaller than a preset threshold value of the surface moisture content of the stack, water spraying dust suppression is conducted on the stack at the position of the pollution source based on the intensity of the pollution source. According to the invention, a closed loop is formed through monitoring, traceability, prediction and decision making, and the dust suppression accuracy and efficiency are improved.

The invention discloses a distributed control-based stacker scheduling method, system and device and a medium, the stacker comprises a lifting module, a walking module and a pallet fork module, the lifting module, the walking module and the pallet fork module are each provided with a control module, and the method comprises the following steps of: aiming at a target task, controlling the lifting module, the walking module and the pallet fork module; optimal action sequences are calculated through control modules configured for the lifting module, the walking module and the pallet fork module respectively; based on the optimal action sequence, a scheduling strategy is generated in a bus negotiation conflict mode; and performing scheduling control on the stacker according to the scheduling strategy. By adopting a distributed control mode, each functional module of the stacker is independently configured with a control module, so that each module can autonomously calculate an optimal action sequence, the coupling degree among the modules is greatly reduced, and the scheduling efficiency and reliability of the stacker are improved.

The invention provides corrugated carton stacking equipment, relates to the field of stacking machines, comprises a carton conveying unit, and aims to solve the problems that in the prior art, when corrugated carton stacking equipment conducts stacking, carton alignment deviation is likely to occur, the deviation can be accumulated layer by layer along with the stacking height, and a stack body is likely to collapse. According to the carton stacking and aligning device, the synchronous adjusting mechanism is arranged, the clamping plates are driven by the synchronous adjusting mechanism to push cartons, so that the cartons on the tray and the transferred cartons are rapidly attached and aligned, the aligning deviation between the adjacent cartons is reduced, the situation that a stack body is prone to collapse is reduced, and the stacking and aligning precision is improved; by arranging the synchronous adjusting mechanism, the problem of box falling caused by air leakage of a suction cup in the prior art is solved; by arranging the synchronous adjusting mechanism, the problem that the service life is shortened due to the fact that impurities adhere to the suction cup in the prior art is solved; by arranging the synchronous adjusting mechanism, the problem that in the prior art, due to the fact that suction cups are cumbersome in positioning, working efficiency is low is solved.

The invention discloses a stacker fault diagnosis method based on lightweight MobileViT, and relates to the field of stacker fault diagnosis, and the method comprises the steps: S1, deploying a sensor group based on a stacker work site, and obtaining original sensing data of eight modes; s2, preprocessing the obtained original sensing data based on a multi-sensor data fusion preprocessing process of noise reduction reconstruction-fusion-two-dimensional coding to obtain corresponding two-dimensional image data; s3, dividing the obtained two-dimensional image data, and training a MobileViT model based on the training set and the verification set; s4, inputting the test set into the trained MobileViT model to perform fault diagnosis, and performing visual analysis on the result, the lightweight MobileViT model designed by the application can greatly reduce the parameter quantity of a traditional deep learning model; the method has good classification performance, and especially has good practicability in the field of fault diagnosis of the stacker.

The invention provides a dynamic optimization method and system for a running path of a stacking robot, and relates to the technical field of path optimization, and the method comprises the steps: obtaining a dynamic semantic map carrying a goods allocation priority and a path passing level, and real-time running data containing a real-time load and a multi-task sequence, analyzing to obtain an association relationship among the operation energy consumption, the path steering and the real-time load; further, an improved genetic algorithm is adopted, multi-objective optimization is carried out in combination with goods allocation priorities and path passing levels, and a path optimal solution set is generated; then, taking the path optimal solution set as input, constructing a moving track model by using a time elastic band algorithm, and performing online re-planning in combination with dynamic updating to obtain a reference track and a speed profile; and finally, track control parameters are tracked and generated through the PID controller so as to drive the stacking robot to execute tasks. The operation efficiency, the stability and the execution precision of the stacking robot in the dynamic environment are comprehensively optimized.

The application discloses a tire stacking machine and relates to the technical field of tire stacking. The tire stacking machine comprises a first conveying line and a second conveying line, the first conveying line is a roller conveying structure, further comprises a lifting and single placing assembly, the lifting and single placing assembly is arranged on the first conveying line and is used for positioning a single tire body; a bearing frame is arranged on the second conveying line, and the upper surface of the bearing frame is provided with a stacking tool; a jacking and stabilizing assembly is arranged on both sides of the second conveying line and is used for separating the lower surface of the bearing frame from the second conveying line when the tire body is stacked. The height of the plug is controlled through the lifting of the movable frame, so that the lower surface of the bearing frame is separated from the upper surface of the second conveying line through lifting of the side, the stability of the stacking tool on the bearing frame is not affected after the separation, the stability of the tire body stacking is improved, the second conveying line is not stopped, and the stacking efficiency is improved.

The utility model relates to the technical field of pick-up machines, in particular to an electrical system for a large-dip-angle square bale pick-up stacker crane, which comprises a square bale pick-up stacker crane, a remote controller unit, a logic control unit, a sensor unit and an execution output unit, the remote controller unit is in wired connection with the logic control unit. The sensor unit and the execution output unit are in wired connection with the logic control unit. By means of the sensor unit, the logic control unit, the execution output unit and the remote controller unit, manual and automatic remote control over square bale picking and stacking is achieved, an operator achieves remote operation through a picking machine remote controller, the workload of the operator is reduced, and efficiency is improved; the straw bales are picked up through the dip angle pickup device, the pickup device can adapt to pickup types of multiple straw bales, meanwhile, damage caused by bale ropes is reduced, the integrity of the square straw bales is guaranteed to the maximum extent, and the pickup efficiency is high.

The invention relates to a linear walking direction stacking deviation rectifying device and a method thereof, and belongs to the technical field of logistics storage equipment.The method comprises the steps that S1, a stacking machine walking system is arranged; s2, constructing a contact stress characteristic value when the guide wheel is pressed; s3, executing dead zone judgment based on a steady-state interval; and S4, performing active deviation correction through cooperation of the execution force and the displacement. By arranging the floating type main wheel deflection base and the micro-deflection driving mechanism, a traditional rigid connection mode is changed, when it is detected that the vehicle body deviates, the main walking wheels are driven to generate a micro yaw angle, the vehicle body is pushed back to the center of a rail through transverse component force generated by kinetic energy generated by advancing of the stacking machine, and the vehicle body is driven to move forwards. In this way, violent extrusion between the guide wheel and the rail is avoided, generation of metal dust and operation noise are effectively reduced, and the service life of the guide wheel is prolonged.

The invention provides an intelligent warehousing system, a stacking machine and a control method of the stacking machine, and relates to the technical field of intelligent warehousing. The stacking machine is suitable for moving goods among the multiple goods grids; the stacker adopts frequency conversion control; the control method comprises the steps of obtaining an operation instruction and analyzing a target position; planning a motion path according to the current position and the target position of the stacker; wherein the path planning is based on a three-axis coupling dynamic model, the shortest total operation time is taken as a target function, and the dynamic parameter difference of each axis is comprehensively considered to optimize the speed curve matching relationship of each axis; generating a smooth speed curve for each motion axis according to the motion path, wherein the speed curve adopts a segmented continuous S-shaped acceleration and deceleration model; wherein if yes, it is judged that the stroke is a long stroke, and a standard seven-section S-shaped speed curve is adopted; if not, the stroke is short, and five or three sections of simplified S-shaped curves are adopted; and the stacking machine is moved to the target position according to the movement path and the speed curve.

The present application relates to the technical field of stacking machine, in particular to a kind of rigid anti-shake device for stacking machine of automated three-dimensional warehouse, including stacking machine and the first level mobile platform and secondary mobile platform being arranged at its one side, be provided with object table above secondary mobile platform, still include scissor type connecting rod mechanism, buffer mechanism and protection mechanism, the scissor type connecting rod mechanism is connected between the first level mobile platform and secondary mobile platform of stacking machine.This application adds scissor type connecting rod mechanism between the first level mobile platform and secondary mobile platform, the relative movement between two platforms is forced single, determined straight line movement, greatly enhance the lateral and vertical direction's connection stiffness, to inhibit the basic sway caused by acceleration mutation and structural elastic deformation.

The invention provides a printing apparatus capable of improving user workability even when a stacker for discharging a medium is switched. The printing apparatus includes a printing unit, a conveyance unit, and two stackers. The first stacker discharges the medium in a state in which one surface of the medium faces upward. The second stacker discharges the medium in a state in which the other surface of the medium faces upward. In the case of double-sided printing, a first surface of the medium is set as a first surface, and a second surface of the medium is set as a second surface. When the discharge destination of the medium is the first stacker, the page printed on the first surface is set as a first page, and the page printed on the second surface is set as a second page. When the discharge destination of the medium during printing is switched from the first stacker to the second stacker, the page printed on the first surface of the medium discharged to the second stacker is set as the second page, and the page printed on the second surface is set as the first page.

The utility model belongs to the technical field of stacking machines, and particularly discloses a drag chain anti-swing mechanism which comprises a stacking machine stand column, a drag chain guide groove and an accompanying support, the drag chain guide groove is located on one side of the stacking machine stand column and used for containing a drag chain, and the accompanying support is located above the drag chain guide groove and can be driven by the drag chain to move up and down. And the guide mechanism is arranged at the joint of the accompanying bracket and the drag chain guide groove. Through the synergistic effect of the drag chain guide groove, the accompanying support and the guide mechanism, the motion trail of the drag chain can be effectively restrained, the shaking and skewing phenomena of the drag chain in the operation process of the stacking machine are reduced, the stacking machine is more stable when lifting and horizontally carrying goods, the risks of goods deviation, collision and the like caused by swing of the drag chain are reduced, and the safety of the stacking machine is improved. The overall operation stability of the stacking machine is improved, and the safety and accuracy of goods transportation are ensured.

The utility model discloses a stacker, which relates to the technical field of stackers, and comprises an H-shaped track, the top end of the H-shaped track is rotatably connected with a gear II, the lower part of the H-shaped track is rotatably connected with a gear I, a synchronous toothed belt is jointly meshed and connected between the gear I and a rotating shaft, the outer wall of the synchronous toothed belt is provided with a pallet fork fixing plate, and the pallet fork fixing plate is fixedly connected with the H-shaped track. A detachable driving device is arranged at the bottom end of the first gear, and a cleaning device for cleaning teeth of the H-shaped rail is arranged on the inner wall of the H-shaped rail. The cleaning device is arranged in the H-shaped rail of the stacking machine, teeth of the tooth synchronous belt can be cleaned, abrasion of the synchronous tooth belt caused by metal scraps hidden in the teeth of the tooth synchronous belt is avoided, the stacking machine does not need to be shut down, and automatic cleaning of the cleaning device is achieved during operation.

A bottom-module-type stacker and an assembly method therefor. The stacker comprises a bottom module. The bottom module comprises a fixed-height column (2) and a variable-height column (10). The fixed-height column (2) is perpendicularly connected to a bottom frame (1), and the fixed-height column (2) is provided with a lifting / lowering platform (3) moving up / down along the fixed-height column (2). The lifting / lowering platform (3) is provided with forks (4) for storing and retrieving materials, and the lifting / lowering platform (3) is driven by a lifting / lowering driving device (5). The top of the bottom module is provided with a top beam (6). The bottom frame (1) is further provided with an electronic control system device (7). Main components of a stacker are integrated into a bottom module, allowing for integral mounting and debugging in a factory, and integral hoisting on site, thereby improving quality controllability, and improving the quality and efficiency of on-site implementation.

This invention relates to the field of automated warehousing and logistics technology, specifically to an automatic leveling and anti-tangling device for a stacker crane platform. The device includes a horizontal moving platform, a vertical frame mounted on the surface of the platform, a lifting frame slidably mounted on the vertical frame, a loading platform on the lifting frame, a drum, and a wire rope. One end of the wire rope is connected to the lifting frame, and the other end is wound around a motor-driven drum. In this invention, a gravity sensing mechanism converts the platform's tilt angle into mechanical displacement using a pendulum and slider structure; a center-of-gravity adjustment mechanism uses hydraulic medium to transmit pressure, driving a counterweight to move and adjust the center of gravity, restoring the platform to a horizontal position; and a cable guiding mechanism, through a movable guide wheel assembly linked with the counterweight, dynamically compensates for the difference in path length between the wire ropes on both sides, thereby simultaneously achieving coordinated control of leveling and anti-tangling, significantly improving the stability, safety, and reliability of the equipment operation.

The application provides a walking control method of a stacker, and relates to the technical field of warehouse transportation. The stacker comprises a walking mechanism, a counterweight mechanism, a driving mechanism, a control mechanism and an acceleration sensor. When the acceleration sensor detects that the acceleration of the walking of the stacker is less than zero, the control mechanism controls the driving mechanism to move at least one counterweight unit in the opposite direction of the advancing direction of the stacker. The counterweight mechanism adopts a plurality of counterweight units which can be independently moved relative to the walking mechanism. The center of gravity of the stacker can be accurately and flexibly adjusted according to the load condition, the running state and the like of the stacker. When the stacker is in emergency deceleration, the counterweight unit is moderately moved backward to offset the inertial moment of the forward movement of the center of gravity during deceleration, so that the center of gravity of the stacker is kept as much as possible in the middle, and the forward movement of the center of gravity of the stacker during emergency deceleration is avoided to reduce the ground adhesion force of the rear part of the stacker, thereby enhancing the ground adhesion performance of the stacker, improving the braking performance and stability of the stacker, and shortening the braking distance.

The invention relates to a diode access and networking method for an unmanned ship stacking unit, and the method comprises the steps: in a primary loop between a three-phase rectification output end of each stacking unit and a DC bus, a positive electrode and a negative electrode are respectively provided with an anti-reverse diode in series; through the positive and negative electrode double-diode structure, the stacking unit can only inject electric energy into the direct-current bus in a one-way mode, automatic cut-off is achieved when the bus voltage is higher than the unit rectification output voltage, and current backflow and circulation between units are prevented. A plug-and-play diode access topology is provided, so that the stacking unit can be realized at any working point of 650V-1000V without an additional control circuit; the stacking unit is extremely simple in access mode, low in cost, stable and high in reliability; the stacking unit injects power to the bus in a one-way mode; bus fault current is prevented from flowing back to the stacking unit; when a plurality of units are connected in parallel, circulation is automatically inhibited; and elastic expansion, flexible deployment, light investment and optimal cost of the system can be realized.

The utility model provides a stacking machine which comprises a single stand column, a plurality of vertical columns and a plurality of vertical columns. The cargo carrying table is provided with a guide wheel set, and the guide wheel set is used for making rolling contact with the protruding part so as to limit the cargo carrying table to roll and ascend or descend only in the length direction of the single stand column; the synchronous belt driving part is installed on the single stand column, and the synchronous belt driving part is connected with the cargo carrying table so as to drive the cargo carrying table to do lifting motion along the single stand column; and the walking assembly is connected with the single stand column so as to drive the single stand column to walk along the track. The stacking machine is simple in structure, low in noise during working, capable of avoiding generation of metal foreign matter and beneficial to guarantee of safety of goods.

The utility model discloses a kind of overhead line horizontal wheels of stacking machine, it is related to stacking machine technical field, including mounting plate, the outside of mounting plate is provided with two adjusting base plate, the outside of each adjusting base plate is provided with guide wheel assembly, the outer surface of adjusting base plate is fixedly connected with mounting disc, the inside rotation of guide wheel assembly is installed with bearing, the inside of adjusting base plate is provided with a group of fixed long holes.This application is provided with adjusting base plate, fixed long hole, limiting bolt and fixed mechanism etc., by optimizing guide wheel base plate structure design, using rounded rectangular long hole layout, the convenience and positioning accuracy of guide wheel installation adjustment are significantly improved, limiting bolt can realize the fine control to the running track of stacking machine, the application range is significantly improved, fixed mechanism is convenient for guide wheel to be fixed and replace, greatly simplify the steps of guide wheel installation and replacement, reduce the working intensity of staff, improve the practicability of device.

The invention relates to the technical field of logistics automation technology, in particular to a stacker guide wheel use time limit detection method, which comprises the following steps of: determining a linear fitting relationship between the stacker guide wheel wear degree and the stacker guide wheel operation duration based on preprocessed stacker guide wheel operation time data and wear degree data; determining an operation threshold value corresponding to the use time limit of the stacker guide wheel based on a linear fitting relationship between the stacker guide wheel wear degree and the stacker guide wheel operation duration and the guide wheel wear data in a stacker guide wheel damage state; comparing the preprocessed real-time operation duration data of the stacker guide wheel with an operation threshold value corresponding to the use time limit of the stacker guide wheel; and if the preprocessed real-time operation duration data of the stacker guide wheel is greater than the operation threshold value corresponding to the use time limit of the stacker guide wheel, displaying the expiration information of the use time limit of the stacker guide wheel, and solving the problem of inaccurate judgment of the existing method for detecting the service life of the stacker guide wheel.

A medium processing apparatus includes a stacker, a conveyance-direction mover, a binder, and processing circuitry. The stacker stacks a medium. The conveyance-direction mover moves, in a conveyance direction, a medium bundle that is a plurality of media including the medium stacked on the stacker. The binder moves in a main scanning direction orthogonal to the conveyance direction and bind the medium bundle stacked on the stacker. The processing circuitry controls an operation of the conveyance-direction mover and the binder. The processing circuitry causes the conveyance-direction mover to move the medium bundle stacked on the stacker in the conveyance direction and causes the binder to move in the main scanning direction, face a binding position on the medium bundle, and bind the binding position of the medium bundle.

The present invention discloses a feeding equipment for laterite nickel ore, including a rotating platform, a material unloading platform and a grabbing mechanism. A partition is provided on the top of the rotating platform to separate the top of the rotating platform into a first stacking pit and a second stacking pit. The rotating platform is used to rotate the first stacking pit and the second stacking pit to replace the position; the material unloading platform is arranged on both sides of the first stacking pit, and a stacking mechanism is arranged thereon to push the material on the material unloading platform from both sides to the middle stacking pit. The new type of laterite nickel ore feeding equipment provided by the present invention provides a material unloading platform for multiple transport vehicles to pour materials side by side, and the stacking mechanism is used to stack them centrally in the middle stacking pit, and then the two stacking pits are replaced by the rotating platform, and the grabbing mechanism is used to grab and put the ore, which avoids the queuing of transport vehicles and improves the efficiency of pouring ore.

The utility model relates to mattress processing technical field especially for a kind of stacking equipment applied to cloth folding, including roller conveyor, and it is used to stack mattress for being provided with stacking mechanism on the roller conveyor, and stacking mechanism includes: lifting assembly, including the stand of being set in the left and right sides of roller conveyor;Lifting assembly, including the carriage of being longitudinally slidably installed on stand, connecting piece is fixed in the middle of carriage;Adjusting assembly, including the crosspiece of being fixed between the left and right connecting piece, the left and right sides of the left and right ends of crosspiece are all fixed with extension frame, and electric sliding table is installed in the top of extension frame, and the sliding block between the left and right electric sliding table is fixed with horizontal plate;Through the cooperative operation of automatic lifting, lifting and clamping mechanism, realize mattress accurate stacking, substantially improve operating efficiency;Modular design ensures stable and reliable operation, avoid artificial operation damage product, especially suitable for large quantities of automated production needs.

The application relates to the technical field of agricultural machinery, and provides a lettuce planting and harvesting integrated machine, which comprises a vehicle frame, a ditching mechanism, a seedling feeding mechanism, a soil covering mechanism, a root removing mechanism, a leaf removing mechanism, a stacking mechanism and a box changing mechanism; the ditching mechanism, the seedling feeding mechanism and the soil covering mechanism can complete the planting operation of the lettuce; and the root removing mechanism, the leaf removing mechanism, the stacking mechanism and the box changing mechanism can complete the harvesting operation of the lettuce. The functions of planting, harvesting, root removing, leaf removing and boxing are integrated, the troubles of separate operation of different links are avoided, the labor intensity of farmers is reduced through cooperation with automatic control, the labor cost is reduced, meanwhile, the improvement of automation and intelligence greatly improves the production efficiency of the lettuce.

The embodiment of the application provides a kind of stereo garage stacker multi-mechanism collaborative vibration control method, it is related to automation control technical field, the method is by various sensors real-time acquisition stacker operating state parameters, and calculate vibration-tension coupling coefficient;When coupling coefficient exceeds preset threshold, the dynamic adjustment of chain tension is carried out to improve structural stiffness, in the process of vehicle taking and placing, the theoretical braking distance is calculated, and when meeting triggering condition, fork buffer assembly is started in advance to realize pre-buffer control;When detecting that column inclination exceeds set threshold, reduce the running speed of lifting drive mechanism, improve chain tension and start column anti-shake mechanism to realize collaborative adjustment.The method can realize the collaborative control of stacker multi-mechanism, reduce running vibration and vehicle taking impact, improve equipment running stability and safety.

A method for transferring proppant that has been delivered to a worksite by a transport vehicle to a blender includes creating a pile of the proppant, using an unloader and / or a stacker, at a proppant inlet of a self-feeding conveyor and transferring the proppant, using the self-feeding conveyor without operator interaction and a metering conveyor, from the pile to the blender. The method further includes controlling a mass rate, using the metering conveyor, to vary at least one of a speed of the self-feeding conveyor, a speed of the metering conveyor, or a variable opening onto the self-feeding conveyor and / or the metering conveyor; and supplying the proppant, using the metering conveyor, to the blender at a selected rate.

This utility model relates to the field of stacker technology and provides a mobile stacker, including a horizontal arm and a folding arm movably connected to the horizontal arm. The features include: a control cabinet on one side of the horizontal arm; traveling mechanisms at both ends of the horizontal arm; several sets of support rods at the top of the horizontal arm; a feed inlet at the top of each set of support rods; a rotating cylinder fitted onto the end of the horizontal arm near the feed inlet; several sets of support blocks on the horizontal arm; a movably connected end of the folding arm to each set of support blocks; a telescopic arm connected internally to the folding arm via a drive assembly; and a support frame at the end of the horizontal arm away from the feed inlet. Therefore, this utility model adapts to the needs of unloading and stacking materials at different positions and heights.

The application discloses a stacker guide mechanism protection device, relates to the technical field of mechanical equipment safety protection, and aims to solve the technical problems of personnel safety risks and equipment damage caused by structural exposure. The device comprises two protection covers arranged at two ends of the moving direction of the guide wheel, the end portions of the two protection covers close to each other are provided with grooves, and the end portions away from the guide rail are provided with mounting structures; the side of the protection cover adjacent to the guide rail is processed with a cutout matched with the V-shaped working surface of the guide rail. During installation, the end portions of the two protection covers abut against each other, the grooves jointly enclose and cover the guide wheel, and the two cutouts cover the contact area of the V-shaped contact surface of the guide wheel and the V-shaped working surface of the guide rail. Through the cooperative sealing structure of the groove and the cutout, dynamic closure of the motion contact area is realized, the risk of accidental contact of personnel limbs and the invasion of dust and impurities are synchronously blocked, and the operation safety and the operation reliability of the equipment are obviously improved.