132 results about "Breakage rate" patented technology

The invention discloses a continuous spinning path coordination system based on real-time tension regulation and control, relates to the technical field of spinning tension control, and is used for solving the problem of poor continuous path tension coordination regulation. The method comprises a path modeling module, a state acquisition module, a coordination control module and a strategy optimization module, and comprises the following steps: establishing a path structure model from spinning to winding, planning tension measuring points, generating state vectors, identifying drafting section disturbance, winding section disturbance and local friction disturbance, and predicting the tension change of each path node in combination with a tension conduction time delay parameter; a control combination is generated among a drafting drive unit, a winding drive unit, a tensioning unit and a belt drive yarn guide component, cooperative adjustment of an execution unit is achieved, a strategy optimization module establishes a statistical relation between tension and quality based on end breakage and quality detection results, a tension target interval is updated in a self-adaptive mode, and the execution unit adjusts constraints and priorities. The end breakage rate is reduced, and the stability and the product consistency are improved.

The invention discloses a bridge cutting dynamic deviation correction method and system based on multi-modal sensing, relates to the technical field of bridge construction and demolition, and solves the technical problems of realizing high-precision self-adaptive cutting under complex working conditions, reducing rope breakage rate and track deviation and improving construction efficiency and safety. By fusing the fiber grating, ultrasonic wave and machine vision technologies, the monitoring limitation of a single sensor is broken through, multi-mode synchronous sensing of a stress field, a temperature field, a reinforcing steel bar position and geometric deformation is realized, a complete data basis is provided for intelligent decision making, and multi-source data is fused and denoised by adopting wavelet transform and principal component analysis, so that the accuracy and the reliability of the system are improved. The robustness of the system in vibration, chipping interference and temperature drift environments is improved, and the deviation correction efficiency is continuously improved by predicting a reinforcing steel bar dense area and a stress sudden change point in real time, dynamically adjusting cutting parameters, prolonging the service life of a rope saw, reducing construction interruption and introducing a residual feedback and iterative learning mechanism.

According to the granular material crushing resistance testing system and method based on dynamic water pressure loading, the high-precision dynamic water pressure loading system, the transparent closed testing cavity and the multi-modal data acquisition and analysis system are integrated, so that dynamic mechanical property testing of a granular material in a simulated actual hydraulic environment is realized; the dynamic water pressure loading system is used for generating continuous and adjustable water flow pressure and vividly simulating dynamic hydraulic impact and alternating stress in an actual working condition; the transparent test cavity is combined with a high-speed camera shooting technology to capture the particle deformation and crushing process in real time, a high-sensitivity pressure sensor monitors critical crushing pressure synchronously, and dual-mode data association analysis realizes visualization of the particle crushing process and collaborative accurate judgment of a crushing critical point for the first time; the device supports dual modes of stepped pressurization and constant-pressure loading, can output a single-particle crushing resistance value, can also count the batch particle breakage rate, breaks through the limitation of a traditional static test, and remarkably improves the goodness of fit between a test result and an actual working condition.

The invention relates to a wheat impurity rate and damage rate detection method and system, and the method comprises the following steps: collecting wheat sample images in single-layer distribution, and carrying out unified preprocessing; a YOLOv8-FCD model is constructed; inputting the collected wheat sample image into the YOLOv8-FCD model, performing target identification on the wheat sample image, and outputting category labels and bounding box information of different targets in the image; and extracting the length and number of the diagonal lines of the bounding box of each target, and calculating the mass of the wheat ears, straws, wheat bran and crushed grains based on the extracted length and number of the diagonal lines of the bounding box of each target in a fitting manner, so as to calculate the impurity rate and the crushing rate of the wheat sample. According to the method, target identification is performed on the wheat sample image by constructing the YOLOv8-FCD model, the accuracy of target identification is improved, and meanwhile, accurate calculation of the impurity rate and the damage rate is realized through the pre-established regression model.

The invention belongs to the technical field of nuclear fuel preparation, aims to solve the problems of non-uniform particle distribution and high breakage rate in traditional coated particle fuel preparation, and discloses a coated particle dispersion fuel pellet and a preparation method thereof.The method comprises the steps that firstly, silicon carbide slurry is prepared, a silicon carbide base band is prepared through tape casting equipment, and then the silicon carbide base band is prepared; after tape casting, the base band enters a drying area to be partially dried, TRISO particles are arranged on the surface of the base band at set intervals, the silicon carbide base band is freely curled and formed from one end, degreasing treatment and sintering densification are conducted, and the core block is prepared through the method. Through high-precision tape casting and three-dimensional curling technologies, uniform distribution of TRISO particles in CDF is achieved, and the contact and breakage rate of fuel in the preparation process is reduced.

The invention relates to the field of coal mine goaf underground reservoirs, in particular to a goaf underground reservoir water storage capacity calculation method based on an acoustic emission test, and the method comprises the steps: collecting acoustic emission impact signals generated in the compaction loading process of broken coal and rock mass in real time, and recognizing the time sequence characteristics of fracture evolution and breaking behaviors; and the dynamic evolution process of the breakage rate is deduced. On the basis, a quantitative correlation model among stress, dynamic breakage rate and pore structure change is constructed, and finally, accurate evaluation of porosity change and water storage space evolution in the compaction process is realized, so that a reliable basis is provided for scientific calculation of the water storage capacity of the goaf. According to the method, the limitation of a traditional means in the aspects of dynamic monitoring and structure recognition is effectively made up, the structure compaction and pore recombination characteristics of the broken coal and rock mass in the compaction process can be reflected more accurately, and then accurate deduction of the water storage capacity is achieved.

The utility model discloses a tire protection chain with an extension function, which belongs to the technical field of tire protection chains, and comprises a protection chain body and connecting rods welded with the protection chain body, an extension sleeve rod and an adjusting sleeve are respectively connected between two adjacent connecting rods, and the extension sleeve rod and the adjusting sleeve are connected with the protection chain body. A plurality of clamping grooves are annularly formed in the outer wall of the extending sleeve rod, the multiple clamping grooves are formed in the axial position of the extending sleeve rod at equal intervals, a plurality of notches are formed in the port position of the adjusting sleeve pipe, and the multiple notches are formed in the radial position of the adjusting sleeve pipe, so that the protection chain body can be extended and adjusted according to tires of different sizes at the root of the protection chain body; the protection chain is not scratched and punctured by sharp stones, the service life of the tire is prolonged, the protection chain is not deformed and is low in breakage rate due to a special welding process, and the protection chain has the advantages of simple structure, convenience in installation and good use effect.

This invention relates to the field of oil and gas field development technology, and discloses an intelligent testing method and system for the flow conductivity of fracturing proppant. The method includes: Step S1, constructing a simulated fracture unit; Step S2, filling the simulated fracture unit with a target fracturing proppant; Step S3, applying multi-level closure stress to the filled simulated fracture unit; Step S4, during the application of each level of closure stress, real-time acquisition of fluid dynamic data flowing through the simulated fracture unit; Step S5, calculating the real-time flow conductivity of the proppant based on the fluid dynamic data; Step S6, after applying each level of closure stress, calculating the breakage rate of the proppant in real-time through image analysis; Step S7, correcting the real-time flow conductivity calculated in Step S5 based on the breakage rate to obtain a corrected flow conductivity; Step S8, outputting the test results based on the corrected flow conductivity.

The invention discloses a method and a system for predicting the breakage rate of a pressurized water reactor nuclear fuel rod, which are particularly suitable for a pressurized water reactor AFA3G nuclear fuel rod and are used for predicting the breakage rate of the pressurized water reactor AFA3G nuclear fuel rod by establishing a data-driven nuclear fuel rod fretting wear model and combining random uncertainty analysis. The method specifically comprises the following steps: firstly, constructing a flow-induced vibration-fretting wear coupling analysis finite element model of the nuclear fuel rod, and calculating the wear depth of the nuclear fuel rod along with time change; fitting a nuclear fuel rod wear depth curve according to the operation condition of the nuclear fuel rod by combining the geometric dimension and the material attribute of the nuclear fuel rod, and establishing a data-driven nuclear fuel rod wear mathematical model; further, establishing an uncertainty analysis model of the nuclear fuel rod, and calculating the failure probability of the nuclear fuel rod by using Monte Carlo simulation; according to the method, finite element analysis and uncertainty analysis are combined, so that the damage rate of the pressurized water reactor AFA3G nuclear fuel rod is predicted.

The utility model belongs to the technical field of machining auxiliary tools, and provides an automatic carrying mechanism for cylinder body sand core blanks, which is labor-saving and quick to use and also reduces the blank breakage rate. Comprising an industrial mechanical arm, a workpiece fork, a first in-position monitor, a core rod removing plate, a chain scraper conveyor and a core shooter, a discharging track is arranged at an outlet of the core shooter, one end of the discharging track is located in the core shooter, the other end of the discharging track is located outside the core shooter, and a blank output trolley is installed on the discharging track; a first in-place monitor is installed at the position, away from a core shooter body, of an outlet rail of the core shooter, an industrial mechanical arm, a core rod removing plate and a chain scraper conveyor are fixedly installed on one side of the outlet rail of the core shooter, and a workpiece fork is installed at the arm end of the industrial mechanical arm. The core rod removing plate is structurally characterized in that a thin plate is mounted at the upper end of a bracket fixed on the ground.

The utility model discloses a kind of composite outer formworks with high anti-bending load performance, it is related to building thermal insulation material technical field, including vacuum insulation board and the cladding thermal insulation slurry coated in the outside of vacuum insulation board, glass fiber mesh is equipped in the cladding thermal insulation slurry of vacuum insulation board side, steel wire mesh is equipped in the cladding thermal insulation slurry of vacuum insulation board other side, the glass fiber mesh and steel wire mesh are all with vacuum insulation board surface parallel arrangement is set, the utility model is set by glass fiber mesh and steel wire mesh in the cladding thermal insulation slurry of vacuum insulation board front and back two sides respectively, can effectively improve the impact resistance and the bending performance of this composite outer formwork, reduce the breakage rate of composite outer formwork in transportation and construction process, improve the service life of this composite outer formwork simultaneously.

This invention discloses a method for detecting corn kernel breakage rate by incorporating an attention mechanism. This method further improves the lightweight one-stage object detection network YOLOv4-tiny by introducing a coordinate attention mechanism into the feature pyramid network to enhance the model's ability to detect dense corn kernels. Furthermore, an online mosaic data augmentation method is used during the model training phase to improve the model's ability to detect smaller-scale broken kernels. The method disclosed in this invention is easier to deploy on embedded platforms due to its low parameter size, and it has a high response speed while maintaining accuracy. It can efficiently detect the degree of corn kernel breakage and thus obtain the corn kernel breakage rate in real time.

The invention discloses a method for reducing high-grade non-oriented electrical steel rolling strip breakage, and relates to the technical field of non-oriented electrical steel production. Comprising the following steps of smelting, continuous casting, hot rolling, finishing, normalizing and pickling, rolling, annealing and coating, rewinding and slitting and packaging. The temperature of normalizing treatment is 820-850 DEG C, and cooling is conducted at the cooling speed of 30-50 DEG C / s after normalizing treatment; after acid pickling, the edge of the strip steel is heated to 150-200 DEG C, and then edge cutting is conducted; in the rolling step, the reduction rate of the first pass is controlled to be 32-33%; when the diameter phi of the steel coil is 508-800mm, the coiling tension adopts a taper tension control mode; when the coiling diameter of the strip steel reaches phi 800mm, the coiling tension adopts a constant tension control mode; the rolling strip breakage rate of the high-grade non-oriented electrical steel can be reduced to 40% or below, the production stability and the yield are remarkably improved, and the method is suitable for industrial large-scale production.

The utility model relates to an automatic discharging device capable of reducing the breakage rate of flexible materials, and belongs to the technical field of explosion-proof material discharging. Which comprises two fixing supports arranged in parallel, a steel belt tensioning shaft, a steel belt and a material rolling roller, and is characterized in that the steel belt tensioning shaft is arranged at the tail between the two fixing supports, the two ends of the steel belt tensioning shaft are connected with the fixing supports through tensioning springs, the material rolling roller is arranged between the two fixing supports, and the two ends of the material rolling roller are connected with the fixing supports in a sliding mode. The material rolling roller can rotate, one end of the steel belt is fixed to the steel belt tensioning shaft, the other end of the steel belt is fixed to the material rolling roller, and the steel belt can be wound around the material rolling roller along with rotation of the material rolling roller or released from the material rolling roller and pulled to be unfolded along with sliding of the material rolling roller. The discharging device has the advantages that the production efficiency of the discharging process is improved, the breakage rate of material grids is reduced, and the three-dimensional structure and the mechanical property of the material grids can be protected.

This invention provides a method and system for monitoring and adaptively calibrating the blade condition of a hawthorn slicer based on multi-sensor fusion. It collects spindle motor current signals, blade holder vibration acceleration signals, and slice images, and extracts feature values. When the vibration feature value changes abruptly and the current feature value decreases simultaneously, blade breakage is detected, triggering an emergency stop. If breakage is not detected, the average current trend is monitored to generate a wear warning. Visual acquisition is initiated according to preset conditions to obtain the actual slice thickness. Using a pre-calibrated mapping relationship between slice thickness and current and vibration feature values, the threshold compensation amount is calculated in reverse based on the thickness deviation, adaptively correcting the detection threshold. This invention reduces the false blade breakage rate, achieves proactive wear warning, compensates for sensor drift, and ensures a high slice yield.

The utility model relates to intravenous infusion bag conveying and liquid preparation front end processing technical field discloses a kind of liquid bag cabinet for intelligent automatic liquid preparation, including rack, feeding mechanism, blanking mechanism and material taking mechanism;Feeding mechanism is located on rack;Blanking mechanism is located on rack;Material taking mechanism is located on rack.Through setting feeding mechanism, material taking mechanism and blanking mechanism, the automatic loading and unloading of liquid bag are realized, the transmission and processing speed of liquid bag can be greatly improved, compared with artificial transportation, greatly reduce manpower demand and time consumption, simultaneously, through feeding mechanism, material taking mechanism and blanking mechanism three accurate control liquid bag's transmission and clamping, avoid the liquid bag drop problem caused by the strength limit of carrier, uneven ground or improper operation, reduce the risk of liquid bag confusion, also reduce the breakage rate caused by external force in the process of transportation, guarantee the integrity and safety of liquid bag.

The invention relates to a method for reducing rolling stress of a welded joint, and belongs to the technical field of welding. The method comprises the following steps: a, trimming strip steel, wherein a shearing surface is inclined to the rolling direction of the strip steel; b, welding joints are assembled, so that a to-be-welded welding line is linearly arranged; c, welding, wherein the strip steel is welded together through laser welding equipment; d, acid pickling, wherein the welded strip steel is subjected to acid pickling in an acid pickling tank; and e, rolling, wherein the rolling speed ranges from 300 m / min to 1500 m / min. According to the method, the joint form of the laser welding joint is optimized, welding seam forming is controlled, the stress and stress fluctuation of the roller in the welding joint rolling process are reduced, the rolling process is stable, and the strip breakage rate of the welding joint in the rolling process is reduced. The problem that when an existing strip steel welding connector is subjected to rolling deformation, the welding connector and a roller are arranged in parallel, and the rolling stress is suddenly increased, so that the strip breakage rate is high is solved.

The application provides a battery piece repair device and a battery piece repair method. The battery piece repair device comprises a bottom plate and a correction mechanism. The bottom plate has a bearing surface for bearing the battery piece. The correction mechanism is used for correcting the battery piece and comprises a first correction assembly and a second correction assembly. The first correction assembly and the second correction assembly are respectively located on the opposite sides of the bearing surface. The first correction assembly is movable relative to the bottom plate to push the battery piece to move to a preset position in the direction of the second correction assembly. The second correction assembly is elastically deformed by being pressed by the battery piece. The application is at least beneficial to reduce the breakage rate of the battery piece during the repair of the battery piece.

The invention discloses a welding method for ultra-thin strip steel, and belongs to the technical field of welding of cold-rolled strip steel. Aiming at the problems of high strip breakage rate and insufficient welding seam strength of ultra-thin strip steel with the thickness of less than or equal to 0.5 mm in the welding process of a recoiling unit, a solution optimized through structural design is provided. The method comprises the steps that the welding ends of two sections of strip steel are folded to form thickened double-layer structures, a transition piece is arranged between the double-layer structures, a 2d-h-2d gradient welding face is formed, and the combined structure is welded. Through physical thickening and gradient transition design, stress distribution is remarkably improved, the strength of a welding seam stably reaches 90% or above of the strength of base metal, the strip breakage rate approaches zero, and the production efficiency and economic benefits are greatly improved.

The invention discloses a low-breakage-rate and high-adaptation type feed distribution valve, and belongs to the technical field of breeding feed conveying equipment.The low-breakage-rate and high-adaptation type feed distribution valve comprises a valve shell, a feeding port communicated with a feeding pipe is formed in the left end of the valve shell, and a first discharging port and a second discharging port which are communicated with a first discharging pipe and a second discharging pipe respectively are formed in the right end of the valve shell; the feeding port and the first discharging port are located on the same horizontal axis. The first discharging port and the second discharging port are located on the same vertical plane, the second discharging port is located below the first discharging port, and the included angle between the second discharging port and the first discharging port is an acute angle. A valve element is coaxially arranged in the valve shell in a rotating mode, a material distributing pipe capable of being communicated with the feeding port and the first discharging port or the feeding port and the second discharging port at the same time is fixed in the valve element, and a control assembly driving the valve element to rotate is installed at the front end of the valve shell. The feed is obliquely conveyed through the feed distribution pipe, the feed is prevented from being bent by 90 degrees, the breakage rate is greatly reduced, and the feed is conveyed more smoothly.

The invention discloses an egg continuous injection device with a positioning clamping groove, belongs to the technical field of egg processing equipment, and solves the problems of low injection precision, incapability of continuous operation, high egg breakage rate and poor injector adaptability of the existing device. The device comprises a conveying assembly, an injection assembly, a feeding assembly and a discharging assembly, the conveying assembly comprises a conveying belt body and an egg groove with an arc-shaped egg support, the injection assembly is provided with an upper clamping groove positioning injector and a lower clamping groove positioning injector, a sliding table is provided with a lower sliding groove, and a lower installation block is in sliding fit with the lower sliding groove to achieve vertical fine adjustment. The feeding assembly and the discharging assembly are communicated with the conveying belt body through inclined sliding ways. According to the egg injection device, continuous and automatic egg injection is achieved, positioning is accurate, the egg body breakage rate is low, the injector adaptability is high, replacement is convenient and fast, and the egg injection device is suitable for batch injection of various eggs.

The invention belongs to the technical field of special steel machining, and particularly relates to a silicon steel edge quality control method based on thin-strip continuous casting production, in particular to an edge quality control method of an edge cutting procedure of a hot coil. The edge quality of silicon steel is improved through coordinated control over parameters such as the storage time of the hot coil in the middle warehouse, the uncoiling temperature of the hot coil on the edge cutting line, the temperature in the specific area of the edge and the shearing overlapping amount. The strip steel temperature is controlled according to the silicon steel components, the silicon steel temperature of different components is determined, the purpose of effectively controlling the edge quality of the silicon steel after edge cutting is achieved, the quality problems of edge cracks, edge damage and edge cracks of the silicon steel are solved, the rolling ability of cold rolling in the follow-up procedure is improved, and the strip breakage rate of cold rolling is reduced to 0.4% or below.

The utility model relates to the technical field of ceramic tile production equipment, in particular to a sorting and stacking device. The technical problems that an existing multi-color-number ceramic tile sorting mode is complex in procedure and high in ceramic tile breakage rate are solved. According to the sorting and stacking device, the conveying mechanism is arranged to convey the ceramic tiles to the preset position according to the color number information, and the first jacking mechanism is used for jacking the ceramic tiles; the sorting component is arranged to move the ceramic tiles on the first jacking mechanism to the first stacking component, and sorting and stacking of the ceramic tiles in multiple colors are achieved. And a plurality of ceramic tiles are borne through the first stacking component to form a stacking piece, the stacking piece is transferred to the transferring mechanism through movement of the first stacking component in the second direction, and the stacking piece is transferred to the output station. In the process, sorting and stacking of the multi-color ceramic tiles can be achieved through the device, the working procedure is simple, and efficiency is high. The ceramic tiles do not need to be transferred out of a production line, and the ceramic tile breakage rate is low.

The invention discloses an egg product intelligent storage data analysis system and method, and relates to the technical field of storage regulation and control, and the method comprises the following steps: obtaining the Hardgrove unit, eggshell strength, eggshell thickness and egg shape index of different batches of eggs in egg storage, and carrying out the classification according to the Hardgrove unit; carrying out weight distribution processing, and establishing an egg body strength scoring mechanism by utilizing the eggshell thickness and the egg shape index; breakage data of eggs with different intensity scores on the automatic guide vehicles with different vehicle speeds are obtained, and vehicle speed breakage analysis processing is carried out; analyzing and acquiring the maximum allowable vehicle speed of the automatic guide vehicle according to the basic attributes of the to-be-transported eggs, and adjusting the maximum allowable vehicle speed; the method is used for solving the problems that when the vehicle speed is controlled in an egg storage scene through an existing storage AGV regulation and control technology, the strength condition of the eggs cannot be accurately obtained in a lossless mode, and the transportation speed of the automatic guided vehicle cannot be adjusted and improved while it is guaranteed that the breakage rate of the eggs is low.

The utility model discloses a device that reduces the breakage rate of articles belongs to cigarette transfer technical field, including base, the adjusting assembly for adjusting the inclination angle of base and the positioning assembly for fixing the initial angle of base, a plurality of base symmetrical settings are in the frame, and a plurality of base is parallel to each other, the recess of base is inserted with the baffle, and the baffle is closely combined with base, a plurality of inserting rods are equipped on the both sides of frame, and the inserting rod is through the recess on the frame and is penetrated into, and the bottom of base is overlapped on the inserting rod corresponding to it, the utility model discloses can complete cigarette box loading and unloading quickly.

The invention discloses a multifunctional material storage system integrating moisturizing, low crushing and self-cleaning and a material storage method. The multifunctional material storage system is mainly composed of a variable-height material distribution device 1, an automatic covering device 2, a self-cleaning device 3, a storage cabinet body 4 and a material distribution trolley 5. The variable-height material distribution device 1 is matched with a material position detection module 12 and a first driving module 13 through a multi-stage sliding plate mechanism 11, so that the dynamic adjustment of the material distribution height is realized, and the blanking impact and the material breakage rate are reduced; the automatic covering device 2 adopts a scheme of'flexible covering belt + furling driving + double locking ', and can be quickly unfolded and covered after the materials are completed, so that the moisture preservation and dustproof sealing of the storage cabinet are realized; and the self-cleaning device 3 is an integrated sweeping and blowing assembly and is used for sweeping residual material slag to the discharging opening, so that the interior of the cabinet body is kept clean. According to the system and method, high-reliability cooperation of the material distributing, covering and cleaning processes can be achieved, the material storage efficiency is improved, and the system and method are suitable for storage and treatment of fragile light materials in the tobacco industry.

The invention relates to the technical field of material metallurgy, and discloses high-wear-resistance steel ball PG-B3 hot-rolled round steel and a preparation method thereof.The hot-rolled round steel comprises, by weight, 0.60%-0.67% of C, 1.40%-1.60% of Si, 0.70%-0.90% of Mn, smaller than or equal to 0.020% of P, smaller than or equal to 0.015% of S, 0.70%-0.90% of Cr, 0.04%-0.08% of V, smaller than or equal to 0.30% of Ni, smaller than or equal to 0.40% of Cu, smaller than or equal to 0.0020% of O, smaller than or equal to 0.0002% of H and smaller than or equal to 0.0060% of N; fe and impurities. The yield strength of the PG-B3 hot-rolled round steel is larger than or equal to 640 MPa, the tensile strength is larger than or equal to 1090 MPa, and the percentage elongation after fracture is larger than or equal to 12.0%. Through reasonable component design and process control, the material keeps sufficient toughness, the breakage rate of the steel ball in the using process is effectively reduced, the safety is improved, and the service life is prolonged.

This utility model specifically relates to a rabbit feed breakage rate testing device, including a placement trough with an open top and a filter screen at the bottom. Connecting seats are symmetrically installed on both sides of the placement trough, and the connecting seats are mounted on two vertically opposed supports. Each support has two lifting legs at its top, and a horizontally positioned base is fixedly connected to the top of each lifting leg. A feed-dispensing device 1 and a feed-dispensing device 2 are respectively installed on the top of the two opposing lifting legs. Feed-dispensing devices 1 and 2 have identical structures. By using feed-dispensing devices 1 and 2 to move the feed back and forth, the device simulates the action of a rabbit scratching at the feed.

The application discloses a hot-rolled round bar for high-toughness gas shield welding wire with a nominal diameter of 6.5 mm and a preparation method thereof. The application has the advantages of strong applicability and controllability, low cost, and the like. The ER70S-6 alloy welding wire steel hot-rolled round bar produced by the application is high in steel cleanliness, low in inclusions, low in gas content (O is less than or equal to 0.0020 wt%, and N is less than or equal to 0.0030 wt%), good in microstructure proportion (fine ferrite + a small amount of pearlite), and high in area reduction of fracture (greater than or equal to 83%), and has excellent plasticity, toughness and drawing deformation capacity. The round bar is not broken when being drawn into a welding wire with a diameter of 1.0 mm to 1.2 mm, and the breakage rate of the welding wire with a diameter of 0.8 mm is less than or equal to 0.04 times per ton, so that the breakage phenomenon in the drawing process is effectively avoided, and the market competitiveness of the product is significantly improved.

The present application relates to an in-line leveling mechanism for correcting thermal deformation of a carrier plate, comprising: a fixing support; a carrier plate, wherein the carrier plate is in a horizontal state and placed on the bottom of the upper side of the fixing support; a fixed leveling assembly, wherein the fixed leveling assembly is provided on the lower side of the fixing support; a first driving assembly, wherein the first driving assembly is provided on the lower side of the fixing support; and a flexible leveling assembly, wherein the first driving assembly is drivingly connected to the flexible leveling assembly, so that the carrier plate is separately fixedly connected to the flexible leveling assembly and the fixed leveling assembly. In addition, the present invention further relates to a leveling apparatus comprising the leveling mechanism, and a corresponding leveling method. The present invention enables a device to perform in-line leveling of a carrier plate, improves the production efficiency, and significantly reduces the breakage rate of fragile thin sheets in loading and unloading processes.