29results about How to "Guaranteed operating accuracy" patented technology

The invention relates to the technical field of decontamination and deicing of transmission line insulators, and discloses an intelligent decontamination and deicing device for suspension insulators of transmission lines, which solves the problem of low decontamination and deicing efficiency. The device comprises two transmission lines, each of which is fixed with a group of insulators on the outside, the tops of the two groups of insulators are provided with fixing plates, the bottoms of the fixing plates are fixed with fixing boxes, the insides of the fixing boxes are provided with rigid chains, the bottoms of the rigid chains are fixed with air outlets through a vibration box, the insides of the vibration box are provided with right and left vibration rods, the bottoms of the vibration box are provided with close rods, and the outsides of the close rods are provided with cleaning disks. The decontamination and deicing method of the transmission line insulators of the invention adopts an intelligent method, thereby improving the decontamination and deicing efficiency, reducing power outage time and economic losses, thereby preventing flashover accidents of suspension insulators caused by icing, ensuring the safe and stable operation of the power system, and reducing labor costs and risks.

The present application relates to the technical field of robot control, in particular to a robot remote control method based on flexible manufacturing direct force feedback, comprising: collecting force feedback signals of a robot end and network transmission parameters; determining an initial compression ratio according to the network transmission parameters, and combining time domain variation characteristics of the force feedback signals, compressing the force feedback signals based on the initial compression ratio to obtain compressed force signals; updating the initial compression ratio to obtain a target compression ratio based on signal errors and correlations of restored force signals obtained by restoring the compressed force signals relative to the force feedback signals, and compressing the force feedback signals based on the target compression ratio to obtain target compressed force signals; transmitting the target compressed force signals to a remote operation end, and sending control instructions generated by the remote operation end according to the target compressed force signals to a robot controller to drive an actuator of the robot end to perform work. The present application realizes improved transmission efficiency while ensuring remote control accuracy.

The invention discloses a coal cutter remote automation control system and method, the system comprises a remote supervision module, an operation supervision module, a simulation processing module, a management platform module and a storage management module, the remote supervision module and the operation supervision module are both in control connection with a communication transmission module, and the communication transmission module is in control connection with a central processing module. According to the invention, the operation supervision module is used for detecting a deviation value between a remote instruction and actual output, and corresponding action compensation is carried out, so that the operation precision of the system is guaranteed, and the practicability of the system is improved; an initial environment model is established through the simulation processing module, working simulation is carried out in combination with the state of the coal mining machine, the simulation result is fed back in real time, and the convenience of mining engineering management is improved; the feedback information of the central processing module is received through the platform receiving module, the abnormal characteristics are compared, and the abnormal image is fed back to the management terminal through the visual feedback module when the abnormal image is judged, so that the processing efficiency of the field abnormal condition is improved.

The utility model relates to the technical field of electric power safety engineering, and particularly discloses an insulating operating rod with a rotatable hook, which comprises an insulating rod body, a rotating sleeve, the hook and an inner hexagonal sleeve, a bottom ring, a hollow cylinder and a top ring are sequentially arranged at the top of the insulating rod body from bottom to top, and an inner gear ring is arranged on the surface of the inner wall of the rotating sleeve in a surrounding manner. A cylinder is embedded in the matching base, a spring is embedded outside the cylinder, a circular truncated cone base is arranged at the bottom of the cylinder, a rack is arranged on the outer surface of the circular truncated cone base in a surrounding mode, and a vertical groove is formed in the surface of the hollow cylinder. According to the technical scheme, the inner hexagonal sleeve is matched with the wire clamp bolt and then pushes the cylinder downwards, so that the rack is separated from the inner gear ring, normal and smooth rotation of the insulating rod body is not affected when the hook touches an obstacle when the insulating rod body is operated to screw the wire clamp bolt, and after the inner hexagonal sleeve is separated from the wire clamp bolt, the rack and the inner gear ring are matched in a self-adaptive mode. Therefore, when the hook of the insulating rod body is operated, the hook is in a stable state, and the operation accuracy is ensured.

The present invention discloses a linear lookup table construction method and a query method. The present invention establishes a linear lookup table for the result of exponential operation, and combines quantitative parameters such as scale factor to search and confirm the endpoints of each segment. The present invention can adapt to a wider range of activations, and in extreme cases, obtain a better computing speed than a one-to-one lookup table, while greatly reducing the consumption of computing power, and can effectively improve the efficiency of natural exponential operations in deep learning.

The invention provides a pipeline biochemical analyzer for detecting tissue cell prohemoglobin, comprising an analysis platform, a running track, a barcode scanning gun, a push-in fixed plate, a push-out fixed plate, a cuvette carrier assembly, a sample placement area, a disposable TIP head, a cuvette incubation detection assembly, a sample adding arm module, a push-in motion sensor, a push-out motion sensor and a carrier optical coupler; in the invention, the cuvette carrier assembly, the sample placement area and the cuvette incubation detection assembly are arranged, a plurality of cuvette placement racks and disposable cuvettes are arranged on the cuvette carrier, a plurality of samples are arranged on the sample carrier in the sample placement area, and the cuvette incubation detection assembly simultaneously performs detection of a plurality of disposable cuvettes, thereby meeting the detection requirements of a large number of samples; the cuvette carrier assembly is arranged, a plurality of cuvette placement racks and disposable cuvettes are arranged on the cuvette carrier, and disposable cuvettes are adopted, which do not need to be cleaned after use, thereby saving a large amount of water and having high detection efficiency.

The present invention provides an automatic limit device for a core shuttle and a limit method thereof, wherein the automatic limit device comprises a positioning mechanism horizontally arranged on the shuttle; the positioning mechanism comprises a driving motor horizontally installed in the shuttle, a rotating disk vertically connected to the output shaft of the driving motor, a connecting rod and a latch shaft and a guide fixing plate symmetrically arranged along the output shaft of the driving motor, and the guide fixing plate is vertically symmetrically installed on the end face of the driving motor; one end of the connecting rod is hinged on the rotating disk, and the other end is hinged on the latch shaft, and the latch shaft is suitable for being sleeved with a self-lubricating copper sleeve, and the outer end of the guide fixing plate is suitable for being supported and connected to the self-lubricating copper sleeve; when the driving motor is working, the rotating disk rotates with a certain amplitude, driving the connecting rod to move, thereby driving the latch shaft to telescope horizontally along the self-lubricating copper sleeve. The present invention enables the shuttle to be firmly fixed at the current position, thereby realizing automatic positioning.

The application provides a surgical robot motion trajectory generation method and system, a surgical robot system and an electronic device. The single-layer motion trajectory generation method comprises: determining a current longitude interpolation angle parameter, a current latitude interpolation angle parameter and an initial single-layer motion trajectory set; determining a next-time longitude interpolation angle parameter and a next-time latitude interpolation angle parameter according to a target radius parameter, the current longitude interpolation angle parameter and the current latitude interpolation angle parameter; determining target position information of a target motion point according to the next-time longitude interpolation angle parameter and the next-time latitude interpolation angle parameter, and updating the target position information to the initial single-layer motion trajectory set; traversing target position information of all target motion points of the surgical robot, updating the target position information of all target motion points to the initial single-layer motion trajectory set, obtaining a target single-layer motion trajectory set, and continuing until the next-time latitude interpolation angle parameter is not less than a preset threshold.

The application relates to the technical field of water purification devices, and particularly relates to a water treatment ultraviolet disinfection water purification device, which comprises a light-transmitting cleaning device installed on the water purification device, the light-transmitting cleaning device comprises a lifting mounting seat, a double-wall scraping device, a center positioning device, a winding roller, a circulating suction device and a limiting mounting shell, the limiting mounting shell is fixedly installed on the water purification device, the lifting mounting seat is slidingly installed in the limiting mounting shell, the double-wall scraping device is fixedly installed on the lifting mounting seat, the center positioning device is fixedly installed on the lifting mounting seat, the winding roller is fixedly installed on the top of the limiting mounting shell, a connecting pull rope is arranged on the winding roller, one end of the connecting pull rope, which is away from the winding roller, is fixedly connected with the lifting mounting seat, the circulating suction device is fixedly installed on the winding roller, and the suction end of the circulating suction device is connected with the lifting mounting seat; the water treatment ultraviolet disinfection water purification device can effectively improve disinfection and sterilization quality and maintenance efficiency.

The invention discloses a shaft pulling and paper unloading device for overturning and positioning household paper, which comprises an overturning and paper unloading assembly arranged between a preset rewinding discharge channel and an unloading channel, the overturning paper unloading assembly comprises a supporting tipping bucket used for bearing a paper roll, a tipping bucket driving unit used for driving the supporting tipping bucket to conduct fixed-axis overturning action and at least one set of positioning devices, and the supporting tipping bucket is driven by the tipping bucket driving unit to conduct fixed-axis overturning action. The supporting tipping bucket is correspondingly and circularly turned over and switched among a preset paper receiving state, a shaft pulling state and a paper feeding state, and when the supporting tipping bucket is in the paper receiving state, a bucket opening of the supporting tipping bucket is aligned with a rewinding discharging channel to receive a paper roll; when the supporting tipping bucket is in a shaft pulling state, a bucket opening of the supporting tipping bucket faces upwards so as to fixedly lift a paper roll. When the supporting tipping bucket is in a paper feeding state, a bucket opening of the supporting tipping bucket is aligned with the discharging channel so as to dump paper rolls. And the positioning device is used for stopping and positioning the supporting tipping bucket in a shaft pulling state.

This utility model belongs to the technical field of hot melt adhesive coating equipment for automotive and marine batteries, and relates to a hot melt adhesive applicator with a protective mechanism, including a base, a transmission mechanism, an applicator, and a protective mechanism. The transmission mechanism is connected to the production line, and a fixed frame is installed on its upper part. The applicator is mounted on the fixed frame, and the area between the two is the working area. A transparent acrylic double door and a top plate are provided on the outside of the working area of ​​the base as a protective mechanism; the L-shaped support cantilever includes a fixed rod, a first rotating connector, a connecting rod, and a second rotating connector, and its installation height is higher than the top plate. During operation, the operator can adjust the operating panel through the cantilever from a fixed position. The above design solves the safety hazards of open platforms and the inefficiency of fixed panels, overcomes the weight defects of enclosed metal protection, maintains the visibility of the working area, ensures operating accuracy, optimizes human-machine interaction, avoids interference between the cantilever and the protective structure, and achieves efficient space utilization.

The utility model discloses a pneumatic pin shearing machine, which belongs to the technical field of pin shearing machines and comprises a mounting frame, a material carrying base station is arranged in the mounting frame, and a plurality of feeding grooves are arranged on the material carrying base station and used for loading resistors with pins to be sheared; the side check block is detachably installed on one side of the material carrying base table, a pin shearing groove is formed by the side check block and the material carrying base table, and the pin shearing groove corresponds to the feeding groove in position. And the pneumatic part comprises a driving air cylinder and a cutter, and the driving air cylinder drives the cutter so as to push the cutter into the pin shearing groove, so that the resistor is subjected to pin shearing. According to the pneumatic pin shearing machine, pneumatic pin shearing operation on a resistor is achieved, manual operation is not needed, efficiency is improved, meanwhile, operation precision can be effectively guaranteed, damage to the resistor is avoided, the pneumatic pin shearing machine can conduct effective protection, splashing of materials after pin shearing is avoided, and risks are reduced.

The utility model relates to the technical field of wires and cables, in particular to wire and cable cutting equipment with a measuring function, and solves the problems that in the prior art, an accurate measuring function is lacked, and existing wire and cable cutting equipment generally lacks an accurate measuring system. In the prior art, an operator usually needs to use an additional measuring tool to determine the cutting length before cutting, so that the operation steps are increased, and the working efficiency is reduced. An electric wire and cable cutting device with a measuring function comprises a cutting table, a cutting module and a bearing plate. The cutting module is arranged in the center of the top of the cutting table, and the bearing plate is arranged at the bottom of the cutting table. The cutting device is reasonable in structure, the cutting module, the cutting table and the scale plate are integrally connected, space is saved, meanwhile, loss of a measuring structure is avoided, the purpose of direct cutting after rapid measurement can be achieved, and the operation efficiency is improved while the operation precision is guaranteed.

The present application relates to the technical field of suspension conveying, in particular to a hazardous waste hopper suspension conveying and feeding device, which comprises a suspension conveying device, the bottom of the front side of the left side of the suspension conveying device is provided with a positioning and discharging part, the suspension conveying device comprises a suspension conveying guide frame, the outer wall of the suspension conveying guide frame is fixedly connected with inverted L-shaped support legs on multiple sides, and the top of the suspension conveying guide frame is provided with a hopper on multiple sides, the present application is provided with the suspension conveying device and the positioning and discharging part, automatic cleaning of hazardous waste adhered to the inner wall of the hopper is realized, many problems caused by residual waste are effectively solved, in the discharging process, the device can automatically open the discharge port at the bottom of the hopper to complete feeding, residual hazardous waste adhered to the inner wall is vibrated and falls off and discharged through continuous reciprocating knocking actions, the residual waste is prevented from returning to the loading station with the hopper, the loading station equipment is not contaminated, and the health safety and operation precision of the loading area are ensured.

The utility model belongs to the technical field of locking devices, and particularly relates to a rotating shaft locking device which comprises a rotating shaft, a self-locking disc is rotationally installed on the rotating shaft, an annular groove is formed in one side of the self-locking disc, and a first pressing disc is installed in the annular groove. A first pressing disc groove is formed in the side, provided with the annular groove, of the first pressing disc, a second pressing disc is installed in the first pressing disc groove, a special-shaped disc is further arranged in the annular groove of the self-locking disc and rotationally connected with the rotating shaft, a compression spring is arranged on the special-shaped disc, and the compression spring is connected with the self-locking disc. Stand columns are mounted at two ends of the compression spring. The self-locking disc and the special-shaped disc can be locked at fixed positions and unlocked, so that the position of the medical manipulator part connected to the self-locking disc and the special-shaped disc is effectively locked, position deviation of the medical manipulator part caused by external interference is avoided, the operation precision of the medical manipulator is effectively guaranteed, and the operation accident rate is reduced.

This utility model relates to the field of multi-functional tool technology and discloses a portable multi-functional tool for power applications, comprising: a handle and a working end, the working end being rotatably connected to the handle, with two sets of handle and working ends connected by a pin. This pin-connected design allows for opening and closing, adapting to various power operation scenarios such as clamping wires and stripping wire insulation, thus improving the tool's adaptability to diverse operational needs. A multi-functional cutting tool is rotatably connected to the inner cavity of the handle. This portable multi-functional tool for power applications integrates multiple tool functions, eliminating the need for workers to carry multiple separate tools, significantly improving portability and ease of use. The locking operation is directly triggered by a protective sleeve, simplifying the operation steps. Simultaneously, the protective sleeve also protects the working end, reducing wear or damage when not in use. The overall structure is compact.

This utility model discloses a reusable in-hole plug packer, belonging to the field of packer technology. It includes a vertical rod, with a second sleeve fitted onto the upper part of the outer wall of the rod. A longitudinal limiting groove is formed on the inner wall of the second sleeve, and a transverse limiting groove is formed on one side below the longitudinal limiting groove, with the longitudinal and transverse limiting grooves communicating with each other. A fixing plate is fixedly connected to the bottom of the second sleeve, and deflection rods are rotatably connected to all four sides of the fixing plate. Torsion springs are rotatably connected to both sides of the deflection rods. This reusable in-hole plug packer uses the deflection rods to drive the side plates to unfold, and the fixing pins form multi-point distributed anchoring, effectively avoiding the problem of dispersed force points caused by irregular hole walls. The elastic support of the torsion springs gives the side plates a certain degree of self-adjustment capability, ensuring tight contact between the fixing pins and the hole wall, improving overall fixing strength, and effectively preventing axial displacement and packer position deviation during high-pressure operations.

This utility model discloses a mold side forming mold structure, including a mounting platform, a top pressing mechanism, a mounting snap-fit ​​mechanism, and a stabilizing mechanism. The top pressing mechanism includes a support frame and a snap-fit ​​rod. The mounting snap-fit ​​mechanism includes a locking spring block and a counter-tension spring rod. The stabilizing mechanism includes a rotating frame and a double-layer clamping ring. The top pressing mechanism provides overall stable support to ensure that the structure does not shake during the pressing process. The top pressing cylinder provides precise and controllable pressure to ensure the stability of the workpiece position during the forming process. The symmetrically designed side plates enhance the structural rigidity and improve the forming accuracy. The mounting snap-fit ​​mechanism realizes precise locking and unlocking operations and enables rapid locking and releasing of the snap-fit ​​rod. In conjunction with the guide groove, locking spring block, and counter-tension spring rod structure, the assembly convenience and locking reliability are improved.

The invention discloses a gravitational field interpolation method and device, and a storage medium. The gravitational field interpolation method comprises the steps that S1, a server generates sampling points in a grid corresponding to a satellite orbit; s2, the server obtains a coefficient of a polynomial according to the measured value of the sampling point; s3, the user side converts the ECI coordinates at the reference moment into RTN coordinates corresponding to grids, and normalizes the RTN coordinates; and substituting the normalized RTN coordinate into a polynomial, calculating the gravitational acceleration before a spherical harmonic gravitational field # imgabs0 # item by using a spherical harmonic method, and calculating the gravitational acceleration after the spherical harmonic gravitational field # imgabs1 # item by using a polynomial interpolation method. By adopting the technical scheme of the invention, the calculation efficiency of a real-time orbit determination algorithm can be improved, and the calculation amount of on-orbit data processing can be reduced.

The invention discloses a straightener full life cycle management system and method, and the system comprises an equipment operation monitoring module, a health degree evaluation module, a management module and a control module, and the equipment operation monitoring module is used for collecting the operation data of a straightener in real time, and judging the operation state of the straightener according to the collected data; early warning is carried out on parts with operation faults; the health degree evaluation module is used for matching and comparing the data acquired by the equipment operation monitoring module with pre-stored health degree grade data to determine the health degree of the current straightening machine; the management module is used for comprehensively evaluating the straightening machine according to the reminding and early warning information of the control module and the health degree evaluated by the health degree evaluation module, and performing comprehensive management according to a comprehensive evaluation result; and the control module is used for visually displaying the stored early warning information, the health degree of the straightening machine evaluated by the health degree evaluation module and the comprehensive management result of the management module.

This utility model discloses a feeding mechanism for alloy rod processing, relating to the field of metal rod processing. The utility model includes a workbench with a collecting device on one side. The collecting device includes a collecting frame with several partitions on its inner side. The lower end of each partition is rotatably connected to the collecting frame. A connecting rod is inserted through a straight groove on the upper part of each partition. Through the collecting device, the operator can adjust the tilt angle of the partitions by rotating them, adapting the upper opening spacing between adjacent partitions to the actual feeding requirements of the metal rods, forming a sloping guide structure. This sloping surface guides the metal rods along a predetermined path into the gap, avoiding collisions or jamming problems between later and earlier rods caused by traditional stacking, significantly improving feeding convenience. Furthermore, when a preset number of metal rods are reached in a certain gap, the operator can adjust the partitions to a vertical position using the connecting rod and a fastening handwheel to ensure stacking stability.

The present invention discloses a gravity field interpolation method and device, and a storage medium, including: step S1, a server generates sampling points in a grid corresponding to a satellite orbit; step S2, the server obtains the coefficients of a polynomial according to the measured values ​​of the sampling points; step S3, a user terminal converts the ECI coordinates at a reference time into the RTN coordinates corresponding to the grid, and normalizes the RTN coordinates; the normalized RTN coordinates are brought into the polynomial, the gravitational acceleration before the spherical harmonic gravity field term is calculated using the spherical harmonic method, and the gravitational acceleration after the spherical harmonic gravity field term is calculated using the polynomial interpolation method. The technical solution of the present invention can improve the computational efficiency of the real-time orbit determination algorithm and reduce the computational complexity of on-orbit data processing.

The pressing type liquid guide bottle comprises a pressing sleeve, a connecting base, a limiting base and a movable base, the pressing sleeve is made of an elastic material, the connecting base is connected to an opening in the upper end of the pressing sleeve in a clamped mode, a guide pipe communicated to an inner cavity of the pressing sleeve is arranged in the middle of the connecting base, and a liquid guide piece is connected to the top of the guide pipe; the guide pipe penetrates through the limiting seat, the side wall of the limiting seat is matched with an inner cavity of the connecting seat, a mounting cavity is formed by a gap between the lower side of the bottom of the limiting seat and the bottom of the connecting seat, and the limiting seat is fixed to a fixing column extending in the mounting cavity; the movable seat is located on the inner side of the limiting seat and surrounds the liquid guide part, an elastic part is connected between the upper side of the bottom of the limiting seat and the bottom of the movable seat in an abutting mode so that the movable seat can move up and down in an inner cavity of the limiting seat when pressed, and a container bottle communicated to an inner cavity of the pressing sleeve is connected to an opening in the lower end of the connecting seat in a sealed and sleeved mode. The pressing type liquid guiding bottle is high in stability in the stretching and retracting process, the compression stroke of the elastic piece is effectively reduced, liquid guiding is convenient, and a user can use the bottle conveniently.

The utility model relates to tooling technical field, especially a kind of detection tooling.It is provided that the detection tooling of the utility model, including support piece and auxiliary part, the support piece includes support side plate and the support plate with equidistance precision groove on surface, the auxiliary part includes auxiliary side plate, auxiliary plate and tooling plate, wherein, tooling plate is flat plate structure or groove plate structure;In addition, support side plate, auxiliary side plate are also respectively provided with the limit groove, limit block that can mutually wedge and slide.In use, bar piece material is laid on support plate, tooling plate is pushed and slides along support side plate, push redundant material, then use auxiliary plate to push and rely on material tail end and carry out flush operation, the efficient, neat placement and limit of bar piece material can be completed, and tail end flush, to cooperate with the efficient size detection work of completion of automatic detection equipment, applied to the feeding and discharging tooling of bar piece material or the size detection of precision support rod class material, can save detection, manpower and material resources.

The utility model discloses a mower, include: the chassis with main walking mechanism is used for making mower walking, the mower mechanism, including first mowing device and second mowing device, first mowing device is established on the front end of chassis, and first mowing device can adjust own attitude, and second mowing device is established on the middle bottom of chassis, and the auxiliary walking mechanism includes a plurality of universal wheel devices, and a plurality of universal wheel devices are respectively established on the left end and right end of chassis, and the universal wheel device includes universal wheel assembly, slewing subassembly and pitch adjusting subassembly, and universal wheel assembly includes universal wheel support, universal wheel motor and universal wheel, and the upper end of universal wheel support is established on slewing subassembly, and universal wheel motor is established on the lower end of universal wheel support and is connected with universal wheel, and slewing subassembly is established on the chassis through pitch adjusting subassembly. The setting of auxiliary walking mechanism effectively prevents the side slip of mower on the slope or uneven ground, and reduces the rollover accident caused by imbalance.

The utility model relates to a kind of adjustable horizontal angle light-throwing lamp support of automatic rail-mounted crane, including first support, rotating plate rotating on the first support, second support being arranged on the rotating plate, lamp body rotating on the second support;The rotating plate controls the vertical angle of the lamp body;The lamp body rotates on the second support and controls the horizontal angle of the lamp body;First fixing member is provided on the second support;The both sides of the lamp body are provided with clamping block;The first fixing member is threaded on the clamping block and is threaded in the second support;The first fixing member can limit the angle of the lamp body. It is solved that the angle adjustment of traditional light-throwing lamp support is limited, operation is complicated, fixed is poor, and there is security risk.

The utility model discloses a wood board butt joint bearing device, which belongs to the technical field of wood board processing and comprises a carrying table for bearing wood boards. The conveying lines and the carrying tables are alternately arranged at intervals, and the conveying lines are used for conveying wood boards; and the jacking part is used for jacking the conveying line, and when the conveying line conveys the wood boards to the position over the carrying table, the jacking part drives the conveying line to descend, and the wood boards fall onto the carrying table. The wood board butt joint bearing device is simple in structure, small in occupied space and suitable for being installed inside a cold press, the wood boards are in butt joint and conveyed through the conveying line capable of ascending and descending, the wood boards are transferred to the carrying table, follow-up cold pressing operation can be carried out smoothly, manual assistance is not needed in the process, and production efficiency is improved. And the efficiency is improved, meanwhile, wood boards can be accurately placed, and the operation precision is guaranteed.

The utility model relates to the field of ideological and political teaching, in particular to a multimedia interactive display platform for ideological and political teaching. The multimedia interactive display platform for ideological and political teaching comprises a display and further comprises two sets of transverse moving frames which are symmetrically installed on the two sides of the display, and each transverse moving frame comprises a vertical frame with the horizontal displacement floating amount; the protection part is installed on the tops of the two vertical frames, the protection part comprises a cloth piece, and the cloth piece can be spread to cover a display screen of the displayer; the clamping piece is fixed at the lower end of the cloth piece, and the clamping piece can be buckled with the vertical frame, so that the cloth piece is in a tightened state. According to the multimedia interactive display platform for ideological and political teaching, the cloth piece can cover the display screen of the display, so that the screen can be protected to a certain extent in a non-use state, and the operation precision of the display screen is ensured.