41results about How to "Improve continuous operation capability" patented technology

The utility model discloses an adjustable anti -film winding automatic injection device of blowing direction relates to cigarette packet film -tearing technical field, aims at solving the problem of raw material loss caused by the adsorption of film winding clamp and film and tobacco sheet due to the pressure difference when the existing pneumatic clamp is in the process of disassembling cigarette packet film. The device comprises a support, a clamp, a cylinder, a gas top rod and a multi-pipeline gas distribution are equipped on the support, the gas distribution is connected with the gas source through the gas pipe and is installed with the universal nozzle. When working, the clamp clamps the film, and the universal nozzle sprays the airflow, so that the film is kept below the clamp to avoid winding and eliminate the adsorption effect of the film and the tobacco sheet. The utility model through the airflow dynamic regulation and control, effectively reduces the shutdown maintenance frequency and raw material loss, and improves the production benefit of the tobacco primary processing technology.

The application provides a self-adhesive label tension adjusting device, and relates to the technical field of label tension adjustment.The self-adhesive label tension adjusting device comprises a self-adhesive label tension adjusting box, an electric sliding rail is fixedly installed on the left inner wall of the self-adhesive label tension adjusting box, a self-adhesive label tension adjusting assembly is arranged, the electric sliding rail drives the electric sliding block to drive the sliding frame to lift and lower, the sliding rod is matched with the electric sliding block to slide in the guide sliding groove, the tension adjusting roller stably changes the position to adjust the tension, the spring buffers the tension fluctuation through the elastic force, the pressure sensor monitors the tension value in real time and feeds back, and the adjusting accuracy is ensured; meanwhile, the L-shaped self-adhesive label guide plate of the self-adhesive label guide cleaning assembly moves along the bidirectional screw under the drive of the motor, the label is limited from both sides and the top, the polishing smooth layer reduces the friction resistance, the label is effectively prevented from deviating in the tension adjusting process, and the deviation problem caused by the traditional device depending on the lifting adjustment is solved.

The application relates to the technical field of agricultural parameter processing, and particularly discloses a facility agricultural microclimate collaborative parameter optimization method and system based on PlantDGP, which comprises the following steps: an environment sensing platform maps environment data according to a preset spatial unit set to form a spatial grid state; an environment operation port loads a PlantDGP collaborative control instruction set and completes syntax verification and semantic verification, and after the verification is passed, a collaborative rule description section is compiled into a collaborative control task graph; then, a window instance is generated according to a response window description section, and a spatial grid state is compared with an environment target description section to form a collaborative control trigger event within the valid period of the window instance; after receiving the trigger event, the environment operation port generates a candidate collaborative action package set according to the collaborative control task graph and performs a degradation trigger judgment; finally, a multi-target evaluation is performed on the action package that passes the judgment to select an execution plan instance package, which is then sent to a device controller for execution to complete collaborative parameter optimization.

This application discloses an integrated intelligent dynamic control method and equipment for wind-solar hybrid hydrogen production and ammonia synthesis, relating to the field of ammonia synthesis power supply. The method includes: constructing an integrated system; setting constraints based on operating parameters; dividing the system into high-output and low-output photovoltaic periods according to the operating mode; constructing a basic power balance model; dynamically optimizing the control strategy of the basic power balance model based on the high-output and low-output photovoltaic periods to obtain a day-night time-sharing control model; and dynamically feeding back and controlling the entire hydrogen production-ammonia synthesis process using the day-night time-sharing control model based on the system's operating state, constraints, and objective function. This application controls hydrogen production-ammonia synthesis through time-sharing regulation of wind and solar output, coordinated scheduling of energy storage, and hydrogen buffer regulation, reducing power supply fluctuations and electrolytic hydrogen production load fluctuations, improving the matching degree between the energy supply end and the ammonia synthesis reaction, thereby improving the stability of ammonia synthesis yield and the system's continuous operation capability.

This utility model discloses a device for slicing fresh Dendrobium officinale stems, including a frame; a cutting blade, which is movably mounted on the frame along a longitudinal direction; and a scraping assembly, which is symmetrically arranged on both sides of the cutting blade. The scraping assembly includes a mounting frame detachably mounted on the frame and a roller frame elastically mounted on the mounting frame. A roller is rotatably mounted on the roller frame, and the roller always fits against the cutting blade in its natural state. The roller includes a base, and absorbent cotton is detachably sleeved on the outside of the base. This utility model, through the symmetrically and closely arranged rollers on both sides of the cutting blade, and the absorbent cotton, can promptly remove juice and residue adhering to the cutting blade, achieving dynamic cleaning of the blade surface, preventing uneven slicing, sticking, or even blade jamming caused by adhesion, and improving the continuous operation capability of the equipment.

The utility model relates to rainwater collection and utilization equipment technical field discloses a kind of modular combination rainwater storage tank, including storage module, the water inlet two of storage module top is provided, the water outlet is fixedly connected with outside of storage module, the filter module is arranged in the top of storage module, the water inlet one is fixedly connected with the top of filter module, the drain outlet is provided in the bottom of filter module, the fixed frame is fixedly connected in filter module inside, the rotating rod is rotatably connected with outside of fixed frame, the fixed assembly is provided with outside of storage module.In the utility model, by the installation impeller in filter module, rainwater can drive impeller rotation, and then drive rotating rod rotation, rotating rod drives cleaning brush rotation again, by cleaning brush and filter screen contact, prevent its filter hole blockage, ensure filtering effect, realize filter screen filter hole anti-blocking, guarantee filtering efficiency stability, improve the sustained operation capability of rainwater filter device.

The utility model discloses a granulator with plug -in distributor relates to granulator technical field, including granulator body, the granulator body upper end is provided with the support box, is provided with plug -in distributor mechanism in the support box, and plug -in distributor mechanism includes: distribution shell, distribution shell lower port is located on the granulator body upper end, distribution board is inserted in the distribution shell. The utility model discloses design structure is reasonable, it can make distribution shell, distribution board produce high -frequency reciprocating motion through drive motor, and thus break the " static accumulation tendency " of material on distribution board through the continuous displacement change, avoid material and concentrate accumulation in the local area of distribution board because of gravity or viscosity, can significantly improve material distribution uniformity, simultaneously, the " mechanical vibration effect " of high -frequency displacement produces, can make the material that sticks in the hole edge drop, can reduce the risk of blockage, improve the continuous operation ability of equipment.

The present application relates to the technical field of data calculation and scheduling arrangement in the power industrial control production scene, and discloses a power industrial control calculation workflow DAG deadlock avoidance method based on incremental topology, comprising: modeling the dependency relationship between workflow input and running state information as a multidimensional dependency graph; locating the affected node set according to the multidimensional dependency graph and the change event, and adjusting the node sequence in the affected node set to obtain an incremental topology sequence, and completing the construction of the affected subgraph; performing explicit loop and implicit loop risk detection processing on the affected subgraph, classifying the risk detection results, combining the classification results with the business target to generate a conflict resolution strategy, so as to realize the directed acyclic graph deadlock avoidance; converting the conflict resolution strategy into executable operations to perform change processing on the multidimensional dependency graph, and performing structure and semantic verification on the change result to verify the deadlock avoidance effect of the workflow directed acyclic graph. The present application can improve the continuous operation capability of the workflow.

The data stream dynamic fragmentation processing method for the real-time calculation scene comprises the steps that a lease table is maintained for each fragment by adopting a system, and the lease table is used for recording a key space or a label set and a corresponding lease version number; when the data arrives, the routing module delivers the data to the fragment corresponding to the key space or the label set according to the current effective lease version in the lease table; when the undertaking relation of the key space or the label set needs to be adjusted, the old lease is revoked, and a new lease of which the lease version number increases progressively is generated and released, so that each node updates the undertaking fragmentation relation of the key space or the label set; according to the method, the lease table and lease version number mechanism is introduced, so that the key space or label set undertaking relation can be controllably and dynamically adjusted. In the fragment switching process, the old lease is revoked, the new lease with the version number increasing progressively is released, and a copy delivery strategy is adopted in a transition state, so that the problems of data loss, empty window processing and system interruption caused by fragment migration are effectively avoided.

The utility model relates to the technical field of hard felt processing, and discloses hard felt production cutting dust removal equipment which comprises a supporting frame, a first guide rail and a dust accumulation box are arranged on the outer wall of the supporting frame, and a second guide rail is slidably connected to the outer wall of the first guide rail in a sleeved mode. Through the design of a dust collection system composed of a dust collection head body, an air pump, a first air pipe and a second air pipe, when the cutting die body conducts cutting operation, the air pump generates suction force, the dust collection head body is driven through the first air pipe, and material flying dust generated during cutting is collected and conveyed to a working cavity of a dust accumulation box through the second air pipe; meanwhile, an atomization nozzle is driven by a water pump, a first water pipe and a second water pipe to atomize water in a water storage tank and then spray the atomized water into a working cavity, water mist is fully mixed with the flying dust, then the flying dust is subjected to weight increment through a nanometer filter screen and settles into an inner cavity of a collecting box, and therefore harm of the dust to occupational health of operators is effectively reduced; dust is prevented from polluting the workshop environment.

The utility model provides a kind of vacuum feeding system, its technical scheme is, including vacuum pump, the vacuum pump is communicated with the cloth bag upper lateral wall of vacuum hopper by suction duct, the cloth bag lower lateral wall of vacuum hopper is communicated with bunker by vacuum pipe, the bottom of bunker is by feeding mechanism Material is sent to next section;Bunker top is connected with ton bag.The utility model has the beneficial effects that (1) completely solve the problem of material residue, reduce raw material waste and labor cost;(2) double protection guarantees the stable operation of vacuum pump, prolongs equipment life;(3) nitrogen pipeline realizes filter material online cleaning, improves production continuity;(4) detachable recycled material collection tank realizes material recycling, reduces secondary pollution.

The invention relates to the technical field of conveying equipment, in particular to EPE pearl wool board automatic conveying equipment which comprises a main body unit, a feeding unit, a clamping mechanism arranged on a support, a transferring unit and a shaking mechanism arranged between a lifting mechanism and a fixing mechanism. Through the double anti-adhesion design of the clamping mechanism and the shaking mechanism, the problem of adsorption of multiple cotton plates in the conveying process can be effectively avoided, accurate and stable feeding of the subsequent machining procedure can be guaranteed, through the accurate transmission ratio design of the transmission mechanism, the anti-adhesion effect of the cotton plates and the adaptability of equipment are guaranteed, and the production efficiency is improved. By means of linkage cooperation of the lifting mechanism and the clutch mechanism, the lifting stability of the containing frame is further enhanced, the service life of equipment is prolonged, material conveying safety can be guaranteed, the labor intensity of workers is effectively reduced, the conveying efficiency of the EPE plates and the continuous operation capacity of a production line are further improved, and the production efficiency is improved. And manpower and production and maintenance costs are reduced.

This invention relates to the field of nitrogen generator technology, and provides a self-cleaning filtration system for a nitrogen generator, including a primary pre-filtration chamber and a precision filtration chamber connected in series along the airflow direction, as well as a backflush air source system, a differential pressure monitoring device, a dust removal system, and a control system. The backflush air source system includes an air tank, a pressure reducing valve, and a backflush pipeline. The air inlet of the air tank is connected to the nitrogen outlet of the nitrogen generator through a branch pipe, and the air outlet is connected to the pressure reducing valve, the main backflush pipeline, and the backflush branch pipe. Each backflush branch pipe is connected to the backflush valve of the corresponding precision filter element on the precision filtration chamber. This invention can achieve online self-cleaning without stopping the machine, accurately match the cleaning time, use the nitrogen generated by the nitrogen generator as the backflush air source, simplify the structure, and reduce costs.

The invention discloses a spiral impeller type self-dredging anti-blocking slurry pump, and belongs to the technical field of fluid conveying machinery, the spiral impeller type self-dredging anti-blocking slurry pump comprises a slurry pump body, a volute arranged on the slurry pump body and a spiral impeller rotationally mounted in the volute, a base is arranged at the bottom of the slurry pump body, and the feeding end of the volute is coaxially and fixedly communicated with a reducer pipe. The fixed rod is coaxially and fixedly connected to the front end of the spiral impeller, the movable cutter is arranged at the position, extending into the reducer pipe, of the end of the fixed rod, and the fixed cutter arranged on the inner wall of the reducer pipe is matched, so that a rotary cutting scattering structure completely and coaxially linked with the spiral impeller is formed, and the pump shaft synchronously drives the movable cutter to rotate while driving the impeller to convey slurry; and a continuous shearing pair is formed by the fixed cutter and the fixed cutter, so that high-concentration slurry in the reducer pipe can be continuously and forcibly disturbed and scattered, long fibers in the slurry can be cut into short fibers in advance, and long-term stable operation of the slurry pump is guaranteed.

The invention discloses a plastic package silicon carbide power semiconductor module, which relates to the technical field of electronic components and comprises a substrate, a silicon carbide wafer, a plastic package body, power pins, signal pins, a fault detection module, a fault communication module and a linkage protection module. The silicon carbide wafer is arranged on the substrate, and the pins are oppositely arranged on different sides; the plastic package body packages internal devices, and all functional modules are integrated on the substrate. The fault detection module captures various fault signals such as over-current and over-voltage signals in a full-dimension mode and converts the signals into electric signals. The fault communication module establishes two-way communication with an external master controller through a special pin, stably transmits fault data and receives a control instruction; and the linkage protection module constructs closed-loop control, synchronously triggers hardware protection and fault feedback, and executes hierarchical processing. Signal interference is avoided through structure optimization, communication reliability and module adaptability are improved, safe and stable operation of the power conversion system is guaranteed, and the power conversion system is suitable for high-frequency and high-voltage scenes such as electric automobiles and photovoltaic power generation.

The present invention provides an electroplating wastewater treatment station, which comprises: a precipitation assembly, which comprises a precipitation box, a main precipitation cavity and a liquid outlet cavity are arranged in the precipitation box, and an inclined filtration module is mounted in the liquid outlet cavity; the neutralizing assembly comprises a neutralizing box, a stirring part is mounted in the neutralizing box, and an opening and closing part is mounted at the bottom of one side of the neutralizing box; the filtering mechanism comprises a filtering box, a filtering cloth shaping assembly and a defoaming assembly; an extrusion plate is horizontally and slidably mounted in the filter box, a filter cavity is formed in the inner side of the extrusion plate, a driving part is connected to the outer side of the extrusion plate, and filter cloth arranged in a V shape is mounted in the filter cavity. Through partition design, integration of filtration, clarification and impurity sedimentation is achieved, the filter cloth is arranged in a V shape, an operation area for rapidly replacing the filter cloth is adopted, meanwhile, the filter cloth is backwashed through the filter cloth shaping assembly, fine impurities in filter cloth holes are removed, online maintenance of the filter cloth is achieved, and the filter cloth does not need to be dismounted after shutdown.

The utility model discloses a kind of comminution cutting device on cutting type water pump, including cutting cutter, cutting tool bit, pump body, motor rotating shaft, impeller, fastening screw rod, blade and cutting edge, the cutting tool bit is connected with motor rotating shaft by inlaying fastening screw rod, the surface of cutting cutter is with center as origin annular array distribution has inner ring cutter hole and outer ring cutter hole, the water suction opening of pump body is provided with annular chute, cutting cutter is fixed in pump body by fastening screw, motor rotating shaft is locked after penetrating pump body with cutting tool bit by fastening screw rod.The utility model cutting tool bit is connected with motor rotating shaft by completely embedded fastening screw rod, screw rod outer surface is not protruding on tool bit end face, from structure, eliminate long fiber winding risk, guarantee equipment continuous operation, cutting cutter is with center as origin annular distribution inner ring cutter hole and outer ring cutter hole, form multilayer cutting area, cooperate the rotary motion of cutting tool bit, significantly increase the contact frequency of sundries and cutting edge, improve comminution efficiency.

This utility model discloses a single-server liquid-cooled cabinet and a liquid-cooling unit. The single-server liquid-cooled cabinet, used to house a single server, includes a cabinet body with an opening at the top and a cover over the opening. The cover has an inlet channel for introducing coolant, and the cabinet body has an outlet channel for discharging coolant. The cabinet body has a support boss for supporting the single server, and a sealing element is provided between the support boss and the single server to seal the gap between the single server and the cabinet body. The cover delivers coolant to the single server through the inlet channel, and the coolant, after being blocked by the sealing element and flowing through the single server, is discharged from the cabinet body through the outlet channel. The single-server liquid-cooled cabinet provided by this utility model improves heat dissipation and facilitates maintenance. The liquid-cooling unit provided by this utility model includes multiple of the above-mentioned single-server liquid-cooled cabinets.

The application discloses a circulating fan for dry quenching system and relates to the field of circulating fans, which comprises a fan shell, an air inlet, an air outlet, an air inlet flange, a cleaning cylinder arranged at the air inlet of the fan shell, a filter cylinder arranged in the cleaning cylinder, wherein the filter cylinder is in the shape of a truncated cone, the smaller end of the filter cylinder is arranged away from the fan shell, and a wind guide cylinder corresponding to the filter cylinder is arranged at the end of the cleaning cylinder away from the fan shell; and a dust collecting unit is arranged at the end of the filter cylinder close to the fan shell, which is used for collecting and treating the impurities filtered out. The cleaning cylinder with the filter cylinder in the shape of a truncated cone is arranged at the air inlet of the fan, the coke powder and dust impurities in the circulating gas are completely filtered out before entering the fan shell through the front filter structure, the problems of the erosion and abrasion of the fan impeller and the internal flow channel and the flow channel blockage caused by the dust are avoided from the root, the operation failure rate of the fan is significantly reduced, and the service life of the whole machine is prolonged.

The present application relates to filter press technical field, specifically to a kind of variable attitude filter plate assembly for filter press, including fixed plate, multiple filter plates and connecting unit, multiple the filter plate is arranged in the side of the fixed plate, each the filter plate is respectively through the connecting unit with the fixed plate movable connection, to make each the filter plate can be converted between vertical attitude and inclined attitude relative to the fixed plate;When the driving unit drives each the filter plate mutually away and forms second state, each the filter plate switches to inclined attitude, the spacing between adjacent filter plate increases, and the filter surface of each the filter plate is inclined relative to vertical direction, solved the existing filter press unloading cake because of the strong adhesion between mud cake and filter plate and lead to unloading cake not completely, need manual cleaning problem.

The invention relates to the technical field of sewage treatment, and particularly discloses a multistage integrated filtering sewage treatment device which comprises a filtering assembly, the filtering assembly is provided with two symmetrically arranged mounting plates, each mounting plate is provided with an annular channel, and a plurality of supporting shaft groups are slidably arranged between the two annular channels; each supporting shaft group comprises two supporting shafts; the two ends of the two supporting shafts in the same supporting shaft set are jointly and rotationally connected with a first connecting piece, a second connecting piece is jointly and rotationally connected between the two adjacent supporting shafts in the two adjacent supporting shaft sets, and the first connecting pieces and the second connecting pieces are sequentially arranged on the outer side of the mounting plate. And a plurality of third connecting pieces are rotationally connected between the two mounting plates and between the two adjacent supporting shafts, and the third connecting pieces between the two longitudinal adjacent supporting shafts are arranged in a staggered mode, so that the problem that in the initial stage of sewage treatment, large garbage is prone to blockage is solved.

The utility model relates to a photovoltaic - display integration quantum dot backlight module of display technical field, including photovoltaic element layer, optical coupling layer, quantum dot film layer and conductive and optical modulation layer who laminated and bonded in proper order, photovoltaic element layer is silicon -based solar cell panel, optical coupling layer includes high light transmittance polymer base, and the upper surface of high light transmittance polymer base is distributed micron -sized prism array or diffusing reflection particle, and the lower surface of high light transmittance polymer base is plated with anti -reflective film, quantum dot film layer includes main part and the perovskite quantum dot of embedding main part, and conductive and optical modulation layer includes conductive layer and optical modulation layer. The utility model reduces the dependency on power supply, realizes two -way light energy utilization, reduces power consumption, and the display picture color is more bright and colorful, real, improves optical uniformity while isolating external interference, ensures long -term stable light emission under the complex environment outdoors, relieves thermal stress, prevents material corrosion and cracking, and the module stability is high.

The utility model belongs to the technical field of incinerator waste gas treatment, and particularly relates to an online ash removal TO direct-fired incinerator waste gas treatment system. Comprising a TO direct-fired incinerator, a waste gas preheater and a sound wave ash removal device. An oxidizing chamber is arranged in the TO direct-fired incinerator, and an ash collecting hopper is arranged at the bottom of the oxidizing chamber; the waste gas preheater is arranged at the top of the TO direct-fired incinerator, a shell pass inlet of the waste gas preheater is directly communicated with a flue gas outlet of the TO direct-fired incinerator, and a shell pass outlet of the waste gas preheater is connected to a rear-end dust remover; a tube pass is located in the waste gas preheater, an inlet of the tube pass is connected with a waste gas source through a waste gas blower, and an outlet of the tube pass is communicated to a combustion area of the TO direct-fired incinerator through a gas inlet pipeline; the sound wave ash removal device is installed on the waste gas preheater shell, and accumulated ash attached to the outer wall of a tube pass is stripped through sound wave high-frequency vibration. According to the utility model, efficient on-line ash removal is realized, and the heat exchange efficiency and continuous operation of equipment are guaranteed.

The utility model discloses a kind of impurity automatic separation devices for chemical reaction filtration, it is related to diphenylamine production technical field.The impurity automatic separation device for chemical reaction filtration, including filter tank;Filtering assembly includes fixed support, the inside fixed connection of fixed support has hydraulic rod, the output end fixed connection of hydraulic rod has mounting plate, the lower end rotationally connected of mounting plate has first connecting shaft, filter tank is sleeved in the surface of first connecting shaft, the inside fixed connection of filter tank has filter cylinder holder, the upper end rotationally connected of filter cylinder holder has filter cylinder, the inside sliding connection of filter cylinder has movable disc, movable disc is driven by hydraulic rod and moves up and down, cooperate movable disc side and the contact scraping of filter cylinder inner wall, can directly remove the impurity accumulated in filter cylinder inner wall under non-stop state;Solved the drawbacks that traditional filter screen needs to stop cleaning, improved the continuous operation ability of diphenylamine production, improved the filtration efficiency of diphenylamine.

This invention discloses a highly efficient circulating biological desulfurization method for iron concentrate, belonging to the field of microbial metallurgical technology. The method includes: large-scale cultivation of *Thiobacillus ironophilus*; preparing a slurry by mixing iron concentrate with water, adjusting the pH to 1.0-1.4, and controlling the slurry concentration to 20%-30%; inoculating with bacterial solution to achieve an initial bacterial concentration of 10... 8 Cells / mL; continuous circulating leaching is carried out at 30℃ under stirring and aeration conditions, and dynamic equilibrium is maintained by continuous feeding and discharging; the leachate is directly reused in the preparation of new slurry to achieve in-situ circulation of bacterial solution, and bacterial solution is added as needed according to bacterial concentration; 0.1% Tween 80 is added to improve dispersibility; after solid-liquid separation, the leaching residue is washed at a solid-liquid ratio of 1:10, and the washing liquid is recycled. This invention can operate under normal temperature and pressure conditions and has the advantages of high desulfurization efficiency, good system stability, high resource utilization rate, and environmental friendliness.

This utility model discloses an ultrasonic sealing mechanism for a packaging machine, including a packaging machine body, upper and lower sealing plates, an ultrasonic welder, a clamping block, a drive mechanism, and a control system. The upper and lower sealing plates are installed at the sealing assembly of the packaging machine body. The ultrasonic welder is fixedly installed on the upper and lower sealing plates by the clamping block and moves up and down with the sealing plates. The drive mechanism is connected to the sealing plates and is used to drive the upper and lower sealing plates to close or separate. The control system is electrically connected to the ultrasonic welder and the packaging machine body and is used to control the working parameters of the ultrasonic welder and the operation of the packaging machine, so as to solve the problems of frequent replacement of high-temperature tape and easy electric shock in the existing heating wire sealing method.

The present application relates to carbon fiber composite material automatic laying equipment technical field, especially in kind of carbon fiber laying equipment.Its structure includes fixed base plate, pressure regulating part fixedly installed on the right side of the upper end of fixed base plate, carbon fiber feeding disc arranged on the left side edge of fixed base plate, front feeding wheel installed on the surface of fixed base plate and arranged close to pressure regulating part, servo feeding mechanism with differential compensation function located behind front feeding wheel, laying and cutting total bearing located on the rear side of servo feeding mechanism.It solves the technical problems of split cutting, broken wire, low cutting precision and poor adaptability of existing equipment, and integrates the cutting seam cutting device, which integrates the shallow cutting seam structure and the full cutting structure in the same driving frame, with high equipment integration and compact layout, solving the problems of split arrangement, large space occupation and poor process connection of traditional cutting mechanism, greatly improving the continuity and stability of laying and cutting process.

This application provides a system and method for predicting the service status of tunnel structures based on a state-space model, relating to the field of structural health monitoring and intelligent early warning technology during tunnel operation. The method includes: an observation data preprocessing module for generating observation vectors; a state variable construction module for constructing implicit state vectors encompassing five states: deformation, stress, cracking, leakage, and environmental disturbance; a state transition modeling module for constructing a discrete-time state transition model; an observation mapping module for constructing an observation mapping model; a time-series prediction module for generating future observation vectors; an anomaly identification module for calculating a comprehensive anomaly score and anomaly type; and a service status assessment module for determining the service status of the tunnel structure. This application achieves dynamic prediction of structural service status and early anomaly identification, improving the accuracy of tunnel operation status prediction and operational decision-making capabilities.

The utility model discloses a kind of FPC high-speed appearance detection equipment, it includes the feed arrangement of supply FPC, back detection camera, front detection mechanism, side detection device, transfer module, to the mechanism of turning over, material receiving device, the first handling mechanism of FPC on the feed arrangement is handled to the above-mentioned back detection camera and FPC, which is back detection completed, is handled to the front detection mechanism, the second handling mechanism of FPC on the front detection mechanism is handled to the side detection device, the third handling mechanism of FPC, which is side detection completed, on the side detection device is handled to the transfer module, the fourth handling mechanism of FPC on the transfer module or the mechanism of turning over is handled to the material receiving device, the utility model not only compact layout, save space, and in detection accuracy, efficiency, stability, versatility and automation degree aspect are all improved, can satisfy FPC high quality, high efficiency appearance detection requirement.

The application discloses a bearing for a vertical shaft, comprising an outer ring and an inner ring, two rows of retainers are arranged between the outer ring and the inner ring, rolling bodies are assembled in the retainers, the retainers comprise an upper edge part, a pocket part and a lower edge part, the upper edge part is arranged along the axial direction of the outer ring, the lower edge part is arranged along the radial direction of the outer ring, the pocket part is arranged obliquely, a plurality of pockets are arranged on the pocket part, pocket beams are formed between adjacent pockets on the pocket part, a plurality of outer convex ribs are arranged obliquely on the outer circumferential wall of the retainer, a plurality of inner convex ribs are arranged obliquely on the inner circumferential wall of the retainer, and the inner convex ribs and the outer convex ribs are arranged at positions corresponding to the pocket beams. The bearing has the advantages of simple structure, effective solution to the problems of uneven distribution of lubricating grease, double-row bearing lubricating grease flow and poor sealing reliability in the prior art, and effective improvement of the operation stability and service life of the bearing.