55results about How to "Reduce labor input costs" patented technology

The invention discloses a multi-source data-based mining equipment positioning system and method. The system is characterized in that a plurality of ultra-wideband base stations are sequentially mounted in a crossheading roadway at intervals; the coding identifiers are mounted on supporting columns of the hydraulic supports in a one-to-one correspondence manner, and are positioned on one side close to the coal mining machine; the inertial sensing unit, the camera, the ultra wide band positioning module and the controller are all mounted on the body of the coal mining machine; the visual angle of the camera faces a supporting column of the hydraulic support. The ultra-wideband positioning module is positioned on one side, close to a crossheading roadway, of a coal mining machine body and is connected with the ultra-wideband base station; the controller is respectively connected with the inertial sensing unit, the camera and the ultra-wideband base station. The method comprises the following steps: carrying out initial position calibration by using the ultra-wideband positioning module; predicting the position of the coal mining machine based on inertial navigation; updating the prediction state of the inertial sensing unit based on the identification of the coding standard by the camera; and the positioning continuity is ensured by fusing the data of the inertial sensing unit and the camera. According to the system and the method, real-time and accurate positioning operation of the coal mining machine in the working process can be realized.

The invention discloses an intelligent real-time measurement and control method and system for underground drip irrigation, and belongs to the technical field of water-saving irrigation. The hardware layer comprises a main pipe, a head branch pipe, a capillary pipe, a tail branch pipe, a tail teletransmission pressure gauge and a flush valve which are connected in sequence; the main pipe is perpendicular to the head branch pipe, the tail branch pipe is parallel to the head branch pipe, and the capillary pipe is perpendicularly arranged between the tail branch pipe and the head branch pipe; an electromagnetic valve is further arranged between the tail branch pipe and the flushing valve; the software layer comprises a data acquisition and transmission module, a data processing and analysis module and a control and management module; according to the intelligent real-time measurement and control method and system for underground drip irrigation provided by the invention, the investment of system maintenance cost and the like is reduced to a great extent, and the economic benefit of crop planting is improved.

This utility model discloses an adjustable camera mounting device for avoiding oversized shipping containers, comprising a camera adjustment mounting bushing mechanism and an adjustment bearing mechanism. The camera adjustment mounting bushing mechanism includes a component bushing, a component adjustment beam, and a component camera mounting plate, which are sequentially welded and fixed. The adjustment bearing mechanism includes a steel pipe with threaded holes and a positioning pin fixed on it, connected to the component bushing. This utility model provides an adjustable camera mounting device for avoiding oversized shipping containers, allowing the camera to be pre-installed and connected at the container manufacturing plant while ensuring the container width does not exceed the transportation limit. It also meets the design requirements for effective four-sided monitoring coverage of the container and the stability of the camera installation connection.

The utility model discloses a slide formula automatic feeding device relates to feeding device technical field, including support, a plurality of conveying tracks are installed with equidistance on the support, and the slide is formed between two adjacent conveying tracks, the inside conveying of slide has a plurality of workpiece main bodies, the mounting plate is installed on the support, the feeding assembly for separating two adjacent workpiece main bodies is installed on the mounting plate, the feeding assembly includes the rotation axle of rotation mounting on the mounting plate, the rotation axle is spaced apart and is provided with three, and the outer wall of each rotation axle all installs the cam, the outer wall of cam installs the separating rod, four connecting rod mechanisms that drive rotation axle rotates are still installed on the mounting plate. The utility model discloses through the automation batch piece, reduces personnel walking distance and piece frequency, realizes " one person many posts " optimization.

The application relates to the technical field of building informatization and residential industrialization design, in particular to a user feedback driven modular residential scheme dynamic generation method and system, aiming at the problems of low unstructured demand conversion accuracy, static lag of design rules and insufficient full-link collaboration capability of an existing residential design system, fusing user sketches and voice demands through multi-modal analysis, combining with an architectural field knowledge graph to resolve cross-modal semantic ambiguity; a design rule relationship graph is constructed with function areas as nodes and spatial topological relations as edges, a user negative evaluation is taken as a trigger signal, and a closed loop self-iteration of the design rule is realized through a graph convolution network; scheme generation, compliance verification, lightweight three-dimensional visualization, real-time cost evaluation, BIM parameter linkage and component tracking functions are synchronously integrated. The method can realize adaptive optimization and full-process digital collaboration of residential customized design and is suitable for a modular residential industrialization design scene.

The utility model relates to the technical field of agricultural production, and discloses an agricultural science and technology seedling raising device which comprises a bottom plate, vertical rods are fixedly connected to the four corners of the top of the bottom plate, a plurality of supporting plates are slidably arranged on the circumferential surfaces of the four vertical rods in a sleeved mode, and round holes matched with the vertical rods are formed in the four corners of each supporting plate. Limiting mechanisms are arranged at the two ends of the bottom of each supporting plate, each limiting mechanism comprises a rectangular frame arranged at the bottom of one end of the corresponding supporting plate, fixing blocks are fixedly connected to the two sides of the two ends of the outer wall of each rectangular frame, and the same limiting rod is fixedly connected between the two fixing blocks on the same side. The seedling raising device has the advantages that the supporting plate of the seedling raising device can be efficiently and conveniently adjusted, an operator can easily and rapidly adjust the position of the supporting plate according to seedling raising requirements, manpower input and time cost are reduced, the number of seedling raising layers and space layout can be flexibly adjusted according to the number of seedlings and the growth stage, and the space utilization rate is improved.

This utility model discloses an automatic screw quality detection and counting device. A support rod is fixedly connected to the upper end of the base plate; a detection mechanism frame is fixedly connected to the upper end of the detection mechanism base bracket and the support rod; a screw feeding device is fixedly connected to the upper end of the detection mechanism frame; an outer panel connecting plate is fixedly connected to the upper end of the detection mechanism frame; the lower end of the detection mechanism housing is fixedly connected to the lower end of the outer panel connecting plate; a qualified product rapid discharge device and a non-qualified product discharge device are located at one end of the detection mechanism housing; a servo motor is fixedly connected to the upper end of the camera and the motor fixing plate; a uniform speed stacking turntable is fixedly connected to the upper end of the servo motor; and the camera is fixedly connected to one end of the outer panel connecting plate. The advantages of this utility model compared to existing technologies are: automatic selection of the quality and quantity of qualified and non-qualified products, reduced labor input costs, improved work efficiency, and ensured stability and safety during the screw inspection process.

The application discloses a fund guarantee information processing method and system in a supply chain scene, relates to the technical field of big data information processing, and comprises the following steps: S1, collecting value-added tax invoice information and associated business data in supply chain transactions; S2, performing multi-dimensional feature extraction on the value-added tax invoice information and constructing a multi-dimensional fusion feature vector, wherein the multi-dimensional fusion feature vector extracts a semantic embedding vector of a cargo name based on NLP entity recognition, extracts time sequence statistical features based on invoice time sequence analysis, and extracts transaction subject correlation features based on the taxpayer identification numbers of buyers and sellers; S3, inputting the feature vector into an unsupervised anomaly detection model trained based on historical invoice data, calculating a global anomaly score, outputting a false trade mark, and simultaneously performing interpretable verification on key features based on feature contribution degree. The application breaks through the limitations of traditional manual auditing and single rule comparison, improves the false trade screening efficiency through automatic data collection and multi-dimensional feature fusion modeling.

The utility model discloses a lithium battery assembly rack convenient for batch processing, and relates to the technical field of lithium battery assembly, the lithium battery assembly rack comprises an assembly rack frame and a heat dissipation fan, one side of the assembly rack frame is provided with a groove, the heat dissipation fan is fixedly connected in the groove, one side of the heat dissipation fan is fixedly connected with a dustproof net, and the dustproof net is fixedly connected with a motor. The lithium battery assembling frame comprises an assembling frame body, the bottom of the assembling frame body is fixedly connected with a support, the top of the assembling frame body is fixedly connected with a driving mechanism, and the left side and the right side of the assembling frame body are each provided with two sets of grooves. The welding degree is improved, meanwhile, the machining efficiency is improved, the labor input cost is reduced, the positioning mechanism is arranged on one side of the lithium battery body, after each string of lithium batteries are fixed, a nickel sheet insulating material in the positioning mechanism is used for separating each string of lithium batteries, and the situation that short circuit occurs later due to the fact that the outer skin of the lithium battery body is damaged is prevented.

This utility model discloses an energy storage battery pack loading platform, including a positioning base and a transfer frame slidably connected within the positioning base. The transfer frame also includes a Z-axis platform adjustable along the Z-axis, and a loading conveyor chain assembly movable along the Y-axis on the Z-axis platform. A multi-mode sensor assembly for the energy storage battery pack loading platform is also connected to the Z-axis platform along the movement direction of the loading conveyor chain assembly. Limiting components for the energy storage battery pack loading platform are also connected to both sides of the top of the Z-axis platform, cooperating with the loading conveyor chain assembly. The advantages of this utility model compared to existing technologies are: it provides a highly automated loading platform for energy storage battery packs, reducing reliance on manual labor.

The embodiment of the invention discloses a data processing method, device and equipment, and the method comprises the steps: obtaining a commercial tenant identifier of a target commercial tenant and a business identifier of the target business when it is detected that the deduction operation of resources needed for a target commercial tenant to use the target business fails; based on the merchant identifier and the business identifier, obtaining resource information accumulatively defaulted by the target merchant and account resource information of the target merchant, and based on the resource information accumulatively defaulted by the target merchant and the account resource information of the target merchant, determining resource information actually defaulted by the target merchant; and when the resource information actually defaulted by the target merchant breaks through reference resource information configured in a preset credit control strategy, setting the state of using the target business by the target merchant as a punishment state, and when it is detected that the resource information actually defaulted by the target merchant is changed and reference resource information configured in the preset credit control strategy is not broken down, cancelling the punishment state of using the target business by the target merchant.

The application relates to the technical field of digital pathology, and particularly provides a method, system and device for quickly obtaining a virtual IHC staining image during breast surgery and a storage medium, the method comprising the following steps: obtaining a breast lesion tissue sample of a patient, preparing an HE staining section, inputting a pre-trained virtual immunohistochemical staining generation model after scanning, and obtaining a virtual IHC image. According to the method, only the HE staining digital whole section image needs to be input to the pre-trained virtual immunohistochemical staining generation model, and the virtual IHC image equivalent to the traditional intraoperative IHC staining can be output within several minutes, so that the time limit requirement of 30 minutes for providing a diagnosis report in intraoperative rapid pathology can be met; the method does not need to perform the experimental operation of traditional intraoperative IHC staining, does not need to consume IHC staining related reagents, simultaneously reduces the artificial operation cost, and effectively reduces the diagnosis and treatment economic burden of the patient.

A novel automatic reset fixture, relating to the field of aging testing equipment technology, is used for aging testing of devices. From bottom to top, it includes a base plate, a PCB matching board, and a probe limiting plate capable of supporting the device. The PCB matching board has a number of auxiliary probes, and the probe limiting plate has through holes for the auxiliary probes to pass through. Fixture assemblies are respectively arranged on both sides of the PCB matching board. The fixture assemblies include a lower support plate, an upper pressure plate, a flipping plate, a lower pressure plate, two guide shafts, and two compression springs. This fixture is adapted to the automation, flexibility, and intelligent production needs of modern manufacturing, achieving an overall improvement in production quality, efficiency, safety, and control levels through technological optimization, providing reliable tooling support for the stable and efficient operation of the entire production process.

The invention belongs to the technical field of internet-of-things video monitoring, and provides an intelligent monitoring management system for preventing oil vehicle occupation of a charging pile based on internet-of-things video monitoring, and the system comprises an intelligent monitoring management module which is used for solving the problems of trajectory tracking interruption and occupation prevention failure caused by similar characteristics of a snowfield and a white vehicle body oil vehicle in snowy weather. The method comprises the following steps: acquiring a video through a camera, judging track breakage, analyzing snowfield and vehicle body feature interference, improving the discrimination degree by means of brightness adjustment, LBP texture filtering, shadow and edge enhancement and the like, reconstructing a vehicle body contour by fusing multiple features, and recovering a breakage track through datum point positioning, motion parameter calculation and inertia completion. And finally, inputting an AI model to predict a driving intention and linking a parking lock. The anti-occupation technical bottleneck in special weather is effectively solved, the accuracy and stability of monitoring control are improved, and efficient utilization of the charging pile is guaranteed.

The invention relates to an electric bed frame manufacturing device. Comprising a pipe discharging assembly, a cutting platform, a material blocking assembly, a material transferring assembly and a positioning unit. The pipe discharging assembly comprises a fixed block and a check block which are adjacent and transversely arranged, the cutting platform is transversely arranged below the pipe discharging assembly, the material blocking assembly comprises a material blocking column, and automatic discharging of pipes is achieved through cooperation of the material blocking assembly and the pipe discharging assembly. The material transferring assembly is used for bearing the pipe and is arranged on the cutting platform, automatic positioning of the pipe is achieved through cooperation of the material pushing plate of the positioning unit and the positioning disc, an operator only needs to adjust the positioning disc in the actual operation process and does not need to run back and forth on multiple stations, time and labor are saved, and the labor input cost can be reduced.

The application provides a corpse automatic transfer device, which comprises a base body, a moving assembly, a bearing support and a moving and transferring assembly, wherein the base body comprises a bottom plate; the moving assembly is connected to one side of the bottom plate; the bearing support is connected to the side of the bottom plate away from the moving assembly, and the bearing support comprises a first guide rail which is arranged perpendicularly to the bottom plate; and the moving and transferring assembly is connected with the first guide rail and can move along the first guide rail. The multi-faceted feature data acquisition system provided by the application at least solves the problem of low automation degree of corpse transfer in the prior art.

This utility model discloses a substrate-grown leek cultivation device, comprising a black horticultural ground cover arranged in an inverted U-shape, with multiple equally spaced perforations at the top; a sliding support rod inserted through the perforations, with sliding parts connected to both ends of the sliding support rod, the sliding parts connected to a guide support rod, and an insertion rod assembly connected to the lower end of the guide support rod, the insertion rod assembly being inserted into the soil; a black shade net arranged in an inverted U-shape; a sliding support rod also arranged in an inverted U-shape, connected to the sliding support rod, with a groove on the sliding support rod; a sliding pressure rod also arranged in an inverted U-shape, pressing the black shade net tightly into the groove; and a fixing plate connected to a fixing nail, the fixing nail being inserted into the soil, with the lower end of the sliding support rod connected to the fixing plate and able to slide on the fixing plate. This utility model allows the black horticultural ground cover and black shade net to be simultaneously unfolded and folded by pushing the sliding support rod or the sliding support rod, improving the production efficiency of leek cultivation.

The invention discloses a full-automatic spot welding machine which comprises a cabinet, a tantalum block feeding mechanism arranged on the cabinet, a rotary disc distributing mechanism, a rotary disc conveying mechanism, a teflon sleeving mechanism, a first visual inspection mechanism, a spot welding mechanism, a material strip feeding mechanism, a product conveying mechanism, a second visual inspection mechanism, a cutting mechanism, a finished product carrying mechanism and a discharging mechanism. The rotating disc distributing mechanism is located at the end of the tantalum block feeding mechanism, the teflon sleeving mechanism, the first visual inspection mechanism and the spot welding mechanism are annularly arranged on the side edge of the rotating disc conveying mechanism, the spot welding mechanism is synchronously located on the side edge of the product conveying mechanism, and the second visual inspection mechanism and the cutting mechanism are located on the side edge of the product conveying mechanism. The material strip feeding mechanism and the discharging mechanism are located at the two ends of the product conveying mechanism respectively, and the finished product carrying mechanism is located between the product conveying mechanism and the discharging mechanism. According to the full-automatic spot welding machine, automatic operation of a series of actions of feeding, spot welding, detecting, removing and discharging is achieved, and the efficiency is improved while the quality is guaranteed.

The present application relates to code catalog management technical field, especially for a kind of standardization code catalog management method and system, the present application constructs the standard catalog code base covering multiple geological elements, different geological elements are cataloged data using the mode of subtab classification collection, geological feature change node is automatically identified based on the depth interval of code in each subtable, complete continuous mutually exclusive geological layering processing, through preset description template and code semantic mapping rule, standardization description text in line with geological specification is automatically generated, finally geological layering result, description text and original catalog data are associated storage, realize achievement bidirectional tracing and standardization output.The present application solves the pain points of traditional geological catalog standard not unified, low efficiency, achievement not standard, data not traceable, realizes geological catalog whole-process standardization and automation, greatly improves cataloging operation efficiency and achievement quality.

The invention relates to the technical field of road cleaning, and specifically discloses an efficient cleaning device for municipal heavy oil road surface, comprising an equipment frame, wherein the top of the equipment frame is fixedly connected to a water storage tank, and the bottom of the equipment frame is provided with a dust suction component, a sweeping component and a cleaning component, wherein the dust suction component is fixedly mounted on the equipment frame, and the cleaning component comprises a telescopic mechanism, a stain cracking mechanism and a flushing mechanism; the telescopic mechanism, driven by the driving force provided by a motor, can drive the cracking block to fit more closely with the ground, and when encountering a protrusion on the ground, the cracking block will retract upward to adapt to different terrain conditions, and the protrusion is a block-shaped stain, and the cracking block will repeatedly scratch the block-shaped stain, and cooperate with the flushing component to achieve efficient cracking of the stain, thereby not only being able to effectively remove the stubborn stains on the heavy oil road surface, but also being able to greatly reduce the manpower input and time cost in the cleaning process, thereby more efficiently achieving the cleaning work of the heavy oil road surface.

The invention relates to a fertilizing device for agricultural cooperative planting, the fertilizing device comprises an unmanned aerial vehicle seat, a support member connected below the unmanned aerial vehicle seat and a wing member connected above the unmanned aerial vehicle seat, the unmanned aerial vehicle seat is connected with a fertilizing member, and the fertilizing member comprises a water spraying support connected to the unmanned aerial vehicle seat and a water spraying head connected to the water spraying support; the unmanned aerial vehicle seat is connected with a liquid fertilizer box. The technical scheme has the beneficial technical effects that the wing parts can drive the unmanned aerial vehicle base to flexibly move, a large-area planting area can be quickly covered, the problems that the cooperative planting area is wide, manual fertilization is time-consuming and labor-consuming, and the efficiency is low are effectively solved, the human input cost is reduced, and the fertilization operation period is shortened; the high-efficiency operation requirement of large-scale planting of a cooperative is met; the fertilizing part is composed of a water spraying support and a water spraying head and is matched with the liquid fertilizer box to continuously supply liquid fertilizer, and the liquid fertilizer can be evenly sprayed to the surfaces and root areas of crops.

The utility model relates to the technical field of wheel hub detection, in particular to a three-coordinate wheel hub detection tool which comprises two groups of connecting plates which are symmetrically arranged, nylon supporting rods are symmetrically arranged at the tops of the connecting plates, sliding blocks are symmetrically connected in the connecting plates in a sliding mode, and the nylon supporting rods are connected with the sliding blocks in a sliding mode. Pin holes are designed and machined in the two ends of the nylon supporting rod, positioning pins are inserted into the pin holes, pin holes are also formed in the top of the sliding block, the bottom ends of the positioning pins are inserted into the sliding block through the pin holes, and a driving assembly used for controlling the sliding block to slide is installed in the connecting plate. According to the three-coordinate hub detection tool provided by the utility model, the hub is supported by the nylon supporting rods, the distance between the nylon supporting rods is adjusted by the adjusting assembly, and the three-coordinate hub detection tool has the advantages that the applicability is wide, the human input and the time cost are reduced, the equipment abrasion is reduced, and the reliability and the accuracy of product quality detection are improved.

The application relates to the technical field of automobile part machining, and provides an automatic mechanism for workpiece turning machining, a feeding conveying line is arranged on the left side of a machining machine, a discharging conveying line is arranged on the right side of the machining machine, a visual mechanism is arranged on one side of the tail end of the feeding conveying line, a discharging positioning mechanism is arranged on the other side of the tail end of the feeding conveying line, the discharging positioning mechanism is arranged opposite to the discharging conveying line, and a mechanical arm material taking and placing mechanism is arranged between the discharging positioning mechanism and the discharging conveying line; the A surface of a workpiece transported on the feeding conveying line faces downward, visual identification is carried out through the visual mechanism at the tail end, the arc B surface of the B surface of the workpiece is clamped by the mechanical arm material taking and placing mechanism and is transferred to the discharging positioning mechanism, four workpieces are placed on the discharging positioning mechanism, the arc A surface of the A surface of the four workpieces is clamped by the mechanical arm material taking and placing mechanism and is transferred to the machining machine for machining, after the machining is completed, the four workpieces are clamped by the mechanical arm material taking and placing mechanism, air blowing is carried out, and then the four workpieces are transferred to the discharging conveying line.

The utility model relates to the technical field of extraction separation, especially, it is a kind of continuous extraction tower system, including extraction tower, pipeline mixer, metering pump and liquid storage tank;Its characterized in that: the extraction tower includes base and tower body, the tower body is sequentially arranged as clarification section, extraction separation section, settling section from top to bottom and is connected between each section by flange;The bottom of settling section is connected with base, the base one side is equipped with heavy phase outlet, and the other side is equipped with exhaust port;The extraction separation section is equipped with filler layer and is equipped with mixed phase import and separation observation sight glass in side wall;The clarification section top is equipped with clarification vent and is equipped with light phase outlet and circular observation sight glass in side surface;The application adopts pipeline mixer accurate control two-phase mixing and emulsification degree, flange connection combined tower body is combined with grading treatment mode, and segmented maintenance is convenient and efficient;Pipeline mixer and the synergistic effect of permeable structured packing, inhibit intermediate layer, improve mass transfer separation efficiency.

This invention discloses a method, apparatus, device, and storage medium for classifying social media messages. The method includes: acquiring at least one message to be corrected; the message to be corrected includes a message category before correction and a message category after correction; the message category before correction is obtained based on the output of a social media message classification model; the social media message classification model is trained based on historical messages in a historical message dataset; selecting a target message to be corrected from the at least one message to be corrected based on a comparison of the message categories before and after correction among the messages to be corrected; generating at least one candidate similarity category group; updating the historical message dataset based on the consistency between the target message in the candidate similarity category group and the historical messages in the historical message dataset; and training the social media message classification model using the updated historical message dataset to update the social media message classification model for message classification. This invention improves the accuracy of social media message classification.

The utility model discloses a material twisting mechanism for an interdental brush cap assembly machine, the material twisting mechanism is used for assembling a brush handle and comprises a fixed plate, a driving piece and a sliding piece, the fixed plate is provided with a sliding rail, the sliding piece is located on the sliding rail and is in sliding connection with the sliding rail, the driving piece is connected with one end of the fixed plate, and the driving piece is connected with the other end of the fixed plate. The driving piece is used for driving the sliding piece to move on the sliding rail; the material twisting device further comprises a material twisting assembly, the material twisting assembly is located above the sliding piece and connected with the sliding piece, the material twisting assembly comprises a material twisting motor, a connecting piece and a clamping piece, one end of the connecting piece is connected with the material twisting motor, the other end of the connecting piece is connected with the clamping piece, and the clamping piece is used for clamping the handle. Wherein the material twisting motor is used for driving the connecting piece, the clamping piece and the handle to axially rotate, and the driving piece is used for driving the material twisting assembly and the sliding piece to axially reciprocate. Through the structural arrangement of the fixed part, the driving part, the sliding part and the material twisting assembly, the problems that the efficiency is low and the cost is high when brush handles are manually assembled are solved.

The present invention provides a testing method for a multilingual system based on deep learning, the method comprising: step 1, reading product language configuration information of the multilingual system, confirming the position, graphics, and text information of each control, interaction, and graphic of the tested multilingual system that needs to be displayed, and storing the preset information to be tested in a matching database; step 2, setting a test execution module, and performing intelligent test execution through the test execution module, wherein the intelligent test execution includes: performing automatic translation correctness detection, control functionality detection, and product business interaction detection in the language of the tested product; step 3, comparing the test result with the expected value, outputting differentiated function points whose actual value is different from the expected value, and forming a list of use cases of the difference; step 4, summarizing the test results and pushing the test report; the present invention can perform automated testing and reduce labor input costs.

This utility model discloses a coating die head cleaning station, comprising: a cleaning station body; a die head flipping mechanism disposed on the cleaning station body, the die head flipping mechanism being adapted to fix the die head and drive the die head to flip; and a rinsing system disposed on the cleaning station body, adapted to rinse the die head disposed on the die head flipping mechanism. This utility model achieves automatic die head flipping through the die head flipping mechanism, eliminating the need for manual flipping, reducing the need for two-person operation, significantly improving cleaning efficiency, and reducing labor costs. The die head flipping mechanism can stably fix the die head and drive it to flip in an orderly manner, avoiding problems such as bumps, tilting, and tipping that may occur during manual flipping, effectively reducing defects such as scratches on the die head appearance and damage to precision, and ensuring product quality.

The utility model provides a positioning framework of a vertical prestressed steel beam, which comprises a plurality of steel beam bodies, base plates and extrusion type anchor heads, and further comprises a positioning piece buckled on the plurality of steel beam bodies and used for positioning the plurality of steel beam bodies, the positioning hoop is arranged at the opening end of the positioning piece and used for fixing the steel beam bodies in the positioning piece, the two ends of the positioning hoop are bent towards the side face of the positioning piece to form a positioning part and bent parts located at the two ends of the positioning part, the bent parts are connected with the side face of the positioning piece, and the positioning part abuts against the steel beam bodies. Machining of the positioning piece and the positioning hoop and installation of the steel bundle body can be conducted on the ground at the same time, hoisting can be conducted after installation is completed, construction can be faster, the human input cost can be reduced, the steel consumption can be greatly reduced in terms of consumable items, cost is reduced, meanwhile, the situation that operators work at high places is reduced, and the construction efficiency is improved. And the safety risk is reduced.

The application discloses a kind of classroom sentiment analysis method and system based on multi-modal deep learning, for evaluating the learning state of student in teaching scene.The method first pre-trains face and speech emotion recognition model, extracts video face by HOG algorithm and carries out pretreatment, simultaneously extracts the log-mel spectrum feature and semantic feature of audio.Using sentiment computing engine, facial expression and speech emotion are predicted respectively, combined with YOLOv8 model to detect student body behavior, finally, four-dimensional data of face, speech, body and semantics are fused, and a large language model is used to generate a classroom overall sentiment state visualization report.The system processes audio and video stream in real time, and calculates the proportion of teacher and student emotions and the distribution of positive and negative emotions, integrates the group state and teaching behavior data in the teaching process, provides multi-dimensional analysis basis for teaching quality evaluation, promotes the intelligent development of education evaluation, and assists in realizing personalized teaching management and scientific decision-making.