32results about How to "Improve technical level" patented technology

The invention discloses a Pick ball athlete action recognition and analysis system based on multi-modal data fusion, and the system comprises the steps: collecting the video image data and sensor data of a Pick ball athlete in the motion process, and carrying out the feature extraction of the body posture of the athlete in the video image data through a convolutional neural network; according to the method, a recurrent neural network is combined to perform action classification on a feature sequence, meanwhile, sensor data are fused, accurate recognition of actions of an athlete is achieved, meanwhile, detailed technical parameters of the athlete in the ball hitting action can be obtained by deeply analyzing the recognized actions, accurate guidance is provided for training of the athlete, and the training efficiency is improved. And the technical level and the competitive ability of athletes can be improved.

The invention relates to the technical field of dynamic tracking, in particular to a human dance dynamic tracking method and system, and the method comprises the following steps: selecting a target stable isotope as a marker according to atomic weight and chemical properties, mixing the target stable isotope with a proper amount of carrier, and smearing the mixture on key joints and muscle groups of a dancer to generate a key marker combination. According to the invention, through cooperation with specially developed isotope labeling detection equipment, the identification effect under various illumination and background conditions is optimized, the data accuracy and tracking continuity are ensured, and the accurate three-dimensional motion model is constructed, so that the real-time reaction speed and the motion response precision of the model are improved; in addition, key action nodes are allowed to be extracted from the model and used for dynamically tracking and evaluating the coherence of the actions, through deep action analysis, the dancer and the coach can obtain detailed technical evaluation and improvement guidance, and the quality of dance performance and the technical level of the dancer are effectively improved.

The invention provides a motion capture method and device based on physical training and a storage medium. The method comprises the steps that athletes are numbered; collecting action data, analyzing whether the action data is abnormal, if so, performing early warning, otherwise, entering the next step; action quality parameters are collected, and action quality is analyzed; training environment parameters are collected, the environment state is analyzed, and early warning is conducted if the environment is unqualified. According to the invention, abnormity can be early warned in time, the motion quality can be accurately evaluated, and the training effect and safety can be improved.

The invention relates to low-temperature life prolonging equipment of a near-water-source energy storage power station, which is used for prolonging the service life of an onshore energy storage power station or an offshore energy storage power station in a random complex scene. The equipment is communicated with a low-temperature water body in an external natural cold source through a pipeline, the external natural cold source is used for direct cooling, heat dissipation consumption can be reduced, the service life of the equipment is prolonged, and meanwhile a large amount of cost is saved. Compared with the prior art, the accumulative service life of the battery module is remarkably prolonged by designing a low-temperature environment, the battery capacity fluctuation and the long-term maintenance cost are reduced, higher economical efficiency and reliability are achieved, and the method is particularly suitable for new energy storage scenes such as wind power and solar energy; compared with the prior art, although the seabed energy storage power station can also utilize an external natural cold source, the scheme has obvious economic advantages on this point due to the special sealing requirements, environmental requirements, technical difficulty and extremely high cost of the seabed energy storage power station.

The invention discloses an LLM-based intelligent question and answer method and system for operation and maintenance knowledge, relates to the technical field of artificial intelligence, and provides an efficient knowledge management and update mechanism which can continuously absorb latest operation and maintenance knowledge and technical practice, and operation and maintenance personnel can upload new knowledge documents to the system through a data entry unit, so that the operation and maintenance knowledge can be quickly and conveniently answered. After verification of the data checking unit, the knowledge can be automatically partitioned and vectorized and supplemented into the knowledge base, the mechanism not only ensures timeliness and accuracy of the knowledge base, but also promotes accumulation and inheritance of the knowledge, new operation and maintenance personnel can quickly obtain necessary knowledge and skills through the system, and the operation and maintenance efficiency is improved. In addition, the system also supports the processing of multi-round dialogues and context relevance problems, so that the solution of complex problems is smoother and more efficient.

The invention belongs to the technical field of environmental parameter monitoring instrument calibration, and particularly relates to a batch calibration method and system for intelligent temperature and humidity detectors. The system comprises a constant temperature and humidity chamber, a temperature and humidity detector, a wireless router, an upper computer and a block chain storage module. The constant temperature and humidity chamber provides a standard calibration environment, the temperature and humidity detector uploads real-time data through the wireless communication module, and the digital twin system compares and analyzes the detection data, generates correction parameters and issues the correction parameters to unqualified equipment. And after the calibration is completed, the system automatically generates a calibration report and uploads the calibration report to the block chain for storage, so that the data security and traceability are ensured. Experiments show that the method is superior to a traditional method in the aspects of efficiency, precision and equipment management, and is suitable for the fields of tobacco leaf storage, cold-chain logistics, industrial manufacturing and the like needing environment monitoring.

The invention discloses a superfine high-performance admixture system with a multi-stage separation dynamic screening function and a solid waste treatment operation method, and the system comprises a vibration crushing device which is used for crushing building solid waste into small blocks and obtaining the building solid waste small blocks; the first swash plate grinding device is used for grinding the small building solid waste blocks to obtain small solid waste particles; the solid waste grinding multi-stage separation dynamic powder selecting device is used for screening small solid waste particles and obtaining fine-particle-size materials; the second swash plate grinding device is used for carrying out secondary grinding on the fine-particle-size materials; and the solid waste ground powder material flow rate control partition board material cabin is used for carrying out wind separation on the materials. The treatment procedure is simple and efficient, the construction solid waste treatment operation is reasonable, the problems that the construction solid waste pollutes the environment, the treatment process is complex, and the cost is high are solved, and remarkable economic, environmental and social benefits are achieved.

The traveling cable anti-torsion wiring harness comprises an anti-torsion wiring harness set, the upper end of the anti-torsion wiring harness set is connected with a lift car distribution box, the upper end of the lift car distribution box is connected with a lift car, and the upper end of the lift car is connected with an upper rotating shaft; the lower end of the lift car is connected with a lower rotating shaft cylinder, the lower end of the anti-torsion wire harness set penetrates through the lower rotating shaft cylinder to be connected with a base junction box, and the lower end of the base junction box is connected with a traveling cable. An upper fixing wire clamp is arranged above the lower rotating shaft cylinder, a lower fixing wire clamp is arranged above the base junction box, the lower fixing wire clamp is connected with the lower end of the anti-torsion wire harness set, and the upper fixing wire clamp is connected with the middle of the anti-torsion wire harness set. According to the traveling cable anti-torsion wiring harness for the rotary elevator and the installation method, the existing defects are overcome, the service life of the adapter cable harness is obviously prolonged, and the operation reliability of the rotary elevator is greatly improved.

A magnetic resonance-compatible programmable synchronized photostimulation system includes a main control unit and a stimulation execution unit. The main control unit is located outside the magnetic resonance scanning room, while the stimulation execution unit is located inside the scanning room and consists only of an LED light panel shielded by a magnetic field. The main control unit is configured to: receive photostimulation sequence parameters configured by the user in a modular manner through a graphical interface; receive a scan trigger signal from the magnetic resonance equipment, and automatically control the start and stop of the photostimulation sequence based on the trigger signal using hardware triggering; thereby achieving high-precision time synchronization between photostimulation and magnetic resonance scanning while maintaining magnetic resonance compatibility. This invention solves electromagnetic compatibility issues through a split architecture, achieves millisecond-level synchronization accuracy through hardware TTL triggering, and enhances experimental paradigm flexibility through modular programmable sequences, making it suitable for neuroscience research fields such as functional magnetic resonance imaging.

The present invention discloses a model test system for studying critical conditions for instability of a vegetated slope under rainfall, wherein a vegetated slope model is provided in a centrifugal environment double-layer seepage model box; a graded rainfall feedback simulation system simulates the requirements of specific rainfall intensity and duration, and induces changes in the internal moisture field conditions of the vegetated slope model; an artificial root strain analysis system simulates the physical soil consolidation effect of the root system on the slope surface and the regulating effect of matrix suction; a high-speed camera system for slope surface cracks records the entire rainwater infiltration and slope surface scouring of the test slope, and clearly captures the entire process of development, extension and penetration of slope surface cracks; a rock and soil moisture content monitoring system realizes the response of the slope moisture field in real time under different rainfall and artificial root working conditions. The present invention is used to carry out model tests for studying critical conditions for instability of a vegetated slope under rainfall conditions, and provides an effective testing means for evaluating the influence of vegetation on slope stability under rainfall conditions.

This utility model discloses a visual inspection device for nonwoven fabrics, comprising a main frame and feet and rollers fixedly installed at the bottom of the main frame. A roller assembly is sequentially arranged above the main frame for tightening and unwinding the nonwoven fabric. A light source mechanism is fixedly installed above the roller assembly. A support frame is fixedly installed above the main frame. A set of camera lenses is respectively installed at the bottom of the main frame and the top of the support frame. The camera lenses are fixedly connected to a camera height adjustment module. A connecting frame is fixedly installed on the right side of the support frame, and a labeling machine assembly is fixedly installed on the connecting frame. This utility model discloses a visual inspection device for nonwoven fabrics with high-precision recognition: through a high-resolution camera, optical sensor, and AI algorithm, it can detect minute defects (such as holes, stains, and uneven fibers) that are difficult to detect with the naked eye, with an accuracy down to the micrometer level, eliminating human error and ensuring the consistency and reliability of the inspection results.

The invention discloses a remote supervision system for motor vehicle detection, and relates to the technical field of motor vehicle detection, and the system comprises a detection data collection module which employs a multi-type sensor array to collect tail gas emission, vehicle speed, braking, light and axle load data at a detection line, and transmits the data to a data collection unit for caching through a high-speed wired network; the data encryption transmission module is used for encrypting data through a national cryptographic algorithm, transmitting the data to a remote supervision center through a wireless network or a VPN network, and authenticating the data through a digital certificate during transmission; the remote supervision center module is used for processing, analyzing and verifying data by a high-performance server cluster and storing the data in a distributed database; and the intelligent analysis and early warning module analyzes the data by using big data and an artificial intelligence algorithm, and pushes early warning in multiple modes when abnormity occurs. According to the invention, the supervision efficiency and precision are improved, multiple types of sensors and an intelligent identification technology ensure accurate and standard detection, guarantee data security and reliable encryption transmission and distributed storage, and can early warn risks in time and optimize the management of a detection mechanism.

The invention provides a method and a system for predicting the centralized collection rate of urban domestic sewage and a storage medium thereof. The method comprises the following steps: acquiring land types in a service partition of a sewage treatment plant and selecting typical land parcels corresponding to each type of land attributes; collecting the domestic sewage amount and the sewage pollutant average concentration of the typical plot, and calculating the domestic sewage pollution amount of the typical plot; calculating mobile phone signaling data statistics of the typical plot; constructing an RBF neural network taking the land attributes of the land parcels and the corresponding mobile phone signaling data statistics as input and taking the predicted quantity of the domestic sewage pollutants as output, and training to obtain a domestic sewage pollutant prediction model of the land parcels; and calculating a predicted value of the centralized collection rate of the urban domestic sewage by using the domestic sewage pollutant prediction model. According to the method, the plot land attributes and the mobile phone signaling statistics are subjected to association analysis with the plot pollutant monitoring data, and the accurate, real-time and dynamic prediction of the centralized collection rate of the urban domestic sewage is realized by constructing a radial basis function (RBF) neural network.

The invention is suitable for the technical field of physical training instruments, and provides a volleyball serving training machine which comprises a balance weight base and a supporting seat arranged above the balance weight base. The connecting box is arranged above the supporting seat; the air cylinder is fixedly mounted in the connecting box and used for launching volleyballs, and a push plate is mounted on an output rod of the air cylinder; the feeding mechanism is arranged on the counterweight base, is used for automatically feeding volleyballs and is positioned on one side of the connecting box; and the adjusting mechanism is arranged on the counterweight base and is used for adjusting the launching angle of the connecting box. The volleyball serving training machine has the advantages that the serving angle can be flexibly adjusted, and the requirements of different training stages and targets are met.

The invention discloses a physical exercise evaluation system based on machine vision and an implementation method, relates to the technical field of intelligent physical exercise visual exercise evaluation, and aims to solve the problems that an existing physical exercise evaluation system based on machine vision has low accuracy and meticulousness of personalized evaluation of athletes and graph acquisition. The problem that the system cannot process and analyze motion data in real time and cannot provide instant feedback exists; according to the system and the implementation method, a data acquisition module, a motion image analysis module and a motion data analysis module are used for analyzing to obtain a motion image accumulation coefficient and a coefficient thereof; the exercise display module is used for displaying and comprehensively analyzing the obtained and calculated word number to obtain an exercise physiological coefficient, matching the exercise physiological coefficient with a preset physiological coefficient weight factor to obtain a body movement exercise proficiency degree and an endurance exercise endurance value, and displaying the exercise proficiency degree and the endurance exercise endurance value; the system meets the evaluation requirements of different types of sports, and finally assists athletes to obtain better scores in a match.

The invention discloses an intelligent wireless radiation monitoring and real-time early warning system and method, and relates to the technical field of radiation monitoring, and the method comprises the steps: collecting a radiation level, and carrying out the preprocessing; performing data standardization on the radiation level; and performing real-time early warning according to the radiation level. According to the method, standardized processing and comprehensive analysis of the radiation data are realized, the accuracy and comparability of the data are improved, and data fusion and importance consideration of different areas are ensured, so that more efficient and more reliable radiation monitoring and early warning functions are realized. According to the technical scheme, a comprehensive, efficient and safe method is provided for safety monitoring of the radioactive environment, and the practicability and the technical level of a monitoring system are remarkably improved.

The invention discloses a preparation method and a quality detection method of a honey loquat leaf standard decoction, and relates to the technical field of quality research of traditional Chinese medicinal materials. The method comprises the following steps: weighing a proper amount of honey folium eriobotryae decoction pieces, putting the honey folium eriobotryae decoction pieces into a marmite, decocting twice, adding 12 times of water for soaking for 30 minutes for the first time, boiling with strong fire, and then decocting with slow fire for 30 minutes; adding 10 times of water for the second time, boiling with strong fire, then decocting with slow fire for 20 minutes, filtering the liquid medicine with 200 meshes, cooling the filtrate to room temperature in a cold water bath, combining the two filtrates, carrying out vacuum concentration at the temperature of 50 DEG C, carrying out vacuum concentration at the absolute vacuum degree of 30-40mbar until the weight ratio of the medicinal material to the fluid extract is about 1: 1, collecting the concentrated solution, and carrying out freeze drying to obtain a sample. According to the method, key quality indexes such as the main content, the characteristic chromatogram and the extract of the honey loquat leaves after the decoction is prepared are measured, the transfer rate is investigated, the component transfer condition from decoction pieces to the decoction is measured by an objective quality standard, and the quality degree and effectiveness of the decoction are ensured.

The invention discloses a machining method and system based on UG NX software electron beam welding complex path numerical control programming, and relates to the field of electron beam welding. The problems that in existing electronic welding operation, an operator needs to have the high technical level and rich experience, and the technical requirement for the operator is strict are solved. The method comprises the steps that S1, a welding track is generated through a linear cutting module of UG software; s2, a program generated by UG is converted into a format meeting the requirement of electron beam welding equipment through a post-processing process; and S3, after the numerical control program is generated, the numerical control program is stored and used in actual welding. The method is applied to the fields of aerospace, chemical engineering, metallurgy and the like.

The invention relates to limb hydrotherapy equipment and a control method thereof, the equipment comprises an HMI terminal, a sensor system, a main body and a connecting part, the HMI terminal comprises an interactive interface, and the HMI terminal communicates with a main control board in the main body; the sensor system is used for monitoring water pressure, temperature and historical movement of a user; the main body comprises a lithium battery; the main control board is arranged at the top of the lithium battery; the driving board is arranged at the top of the main control board; the heating plate is arranged at the top of the water pump system; the water tank is arranged at the top of the heating plate, the water tank is communicated with the input end and the output end of the water pump system, and liquid medicine is contained in the water tank; the connecting part comprises a pipeline and a water sleeve bag; one end of the pipeline is communicated with the output end of the water pump system; the water sleeve bag is used for sleeving the limb of a user. According to the equipment and the control method thereof, through intelligent control, the technical level of limb hydrotherapy products is improved, and rehabilitation treatment is improved to a new level.

The invention discloses a portraying method and device, a storage medium and electronic equipment, and relates to the technical field of data processing, and the method comprises the steps: obtaining work data corresponding to a target programmer in a plurality of project modules; based on the work data, work indexes corresponding to the target programmer in the multiple project modules are determined, and the work indexes are used for representing the work quality and work efficiency of the target programmer; and inputting the working indexes into the working condition evaluation model for weighted analysis to obtain a working condition evaluation result of the target programmer for each project module, and generating a working portrait of the target programmer based on the working condition evaluation result. Compared with the prior art, the method has the advantages that evaluation is performed from multiple dimensions by using the working condition evaluation model, and a more accurate and comprehensive comprehensive evaluation result can be obtained.

The invention relates to a forging method for controlling grain size uniformity of 0Cr16Ni15Mo2V stainless steel, which adopts a free forging and precision forging combined method to manufacture and produce fine-grain and homogenized 0Cr16Ni15Mo2V stainless steel, adopts free forging in a three-upsetting and six-drawing mode, adopts low-temperature multi-pass precision forging to control total deformation, and adopts a quick water cooling method after forging. The grain size of the forge piece is controlled to be more than level 5 and the strength range of the cross section is controlled to be within level 2 through the relation among different upsetting and drawing temperatures and deformation of free forging, deformation of different passes of precision forging, the pressing frequency of a hammer head and the feeding speed.

The invention relates to a multi-modal data-based multi-stage deep learning training method, which is used for improving the effect of a model in multi-modal data training by designing a three-stage data engine and combining an SAM model. The method is particularly suitable for various image segmentation tasks, especially zero sample migration is carried out on new data distribution, and the design of the three-stage data engine enables reasonability to be kept when input prompt is fuzzy or various explanations exist through interactive segmentation tasks in different stages, so that the method is more efficient and more reliable. And the model is excellent in the aspect of diversified image segmentation tasks.

The invention discloses an installation method of a power station peak regulation boiler water-cooled wall expansion measuring point, and relates to the technical field of boiler water-cooled wall engineering, in particular to the technical field of arrangement and installation of boiler water-cooled wall header expansion measuring points. The mounting method comprises the following steps of: leading an expansion test position of the water-cooled wall out of a furnace wall by using rigid leading-out channel steel, fixing a test point at the tail end of the rigid leading-out channel steel, and fixing the head end of the rigid leading-out channel steel and the expansion test position of the water-cooled wall. According to the installation method, the uncertainty in the installation process is remarkably reduced by designing a standardized installation support, clear operation steps and detection specifications, the installation method is more suitable for forming standard operation specifications, a unified standard can be provided for follow-up engineering, and the technical level and safety management of the whole industry are improved. The time cost and the labor cost are reduced, and the sustainable development of the boiler water cooling wall industry is promoted. The method is suitable for the deep peak regulation coal-fired thermal power generating unit with the capacity of 300 MW or above.

The present invention discloses a road strength meter control system and its control method, which includes a first actuator, a second actuator and a control mechanism; the first actuator includes a main controller, a servo motor, a servo motor driver, a first reduction gear set and a first connector, the second actuator includes a strong electricity controller, a three-phase motor, a second reduction gear set and a second connector, and the control mechanism includes a force sensor, a displacement sensor, a power supply and a control host; the present invention adds a set of servo drive system to the original system, and adopts two sets of drive systems to drive independently at different times. Especially in the processes of loading, holding and unloading, servo force closed-loop control is adopted, truly realizing the controllability and high control precision of the force loading process, and further improving the technical level of the product.

The invention discloses a compact modular blast furnace gas purification device arrangement method, and belongs to the field of blast furnace gas desulfurization / purification, and the method comprises the following steps: dividing a blast furnace gas purification device into a modular hydrolysis device and a modular adsorption device based on a blast furnace gas purification process; stacking the plurality of modular hydrolysis devices and the plurality of modular adsorption devices up and down to obtain a plurality of module groups; and connecting the plurality of module groups in parallel to a gas pipeline to obtain the modularized blast furnace gas purification device. The blast furnace gas purification device is flexible in operation, small in occupied area, good in space adaptability, high in operation rate, high in gas purification efficiency and suitable for upgrading and reconstruction of purification devices of built blast furnaces.

The invention relates to the technical field of power distribution network fault positioning, in particular to a fault positioning method for a power distribution network containing a distributed power supply. According to the technical scheme, the system comprises a load flow calculation module, a fault section positioning model module and an algorithm solving module, the load flow calculation module adopts a forward-backward substitution calculation method based on node layering to carry out load flow calculation on the power distribution network containing the distributed power supply so as to analyze the influence of the access of the distributed power supply on the positioning of the fault section of the power distribution network; then, the fault section positioning model is established to improve the fault processing efficiency and accuracy; and finally, the algorithm solving module is used for solving the fault section positioning model to realize quick and accurate fault section positioning. According to the method, it is ensured that the power distribution network containing the distributed power supply can more effectively carry out fault section positioning, safe and stable operation of the power grid is guaranteed, and meanwhile progress of the power distribution network technology and fusion of new energy are promoted.

The invention discloses a preparation method and a quality detection method of a vinegar rhizoma corydalis standard decoction, and relates to the technical field of quality research of traditional Chinese medicinal materials. The preparation method comprises the following steps: weighing a proper amount of vinegar-processed rhizoma corydalis decoction pieces, putting into a marmite, decocting twice, adding 9 times of water for soaking for 30 minutes for the first time, boiling with strong fire, and decocting with slow fire for 30 minutes; 7 times of water is added for the second time, the mixture is boiled with strong fire and then decocted with slow fire for 20 min, the liquid medicine is filtered with 200 meshes, the filtrate is cooled to the room temperature in a cold water bath, the two filtrates are combined, vacuum concentration is conducted at the temperature of 50 DEG C, vacuum concentration is conducted at the absolute vacuum degree of 30-40 mbar until the weight ratio of the medicinal materials to the fluid extract is about 1: 1, concentrated liquid is collected, and freeze drying is conducted to obtain a sample. According to the method, key quality indexes such as the main content, the characteristic chromatogram and the extract of the vinegar rhizoma corydalis after the decoction is prepared are measured, the transfer rate is investigated, the component transfer condition from decoction pieces to the decoction is measured through objective quality standards, and the quality degree and effectiveness of the decoction are ensured.

The invention discloses a novel optimization method for community shared intelligent charging pile distribution in an operation mode, and belongs to the field of planning. Comprising the steps that community charging demand space-time distribution characteristics are analyzed, the number of charging piles in the same charging station is optimized, the number and positions of the charging stations are optimized, and the cost of the charging stations and the cost of users are considered; the method specifically comprises the following steps: 1) initializing a population; 2) calculating the fitness of each individual; 3) selecting operation; (4) performing crossover operation; 5) mutation operation; 6) updating the population; and 7) returning to the step 2), repeating the steps from the step 2) to the step 6) until convergence conditions or iteration times are met, finally outputting the individual with the highest fitness in the population, outputting the positions and the number of the charging stations in the individual, and making a Voronoi diagram for the individual to display the area in which each charging station is responsible. The charging station cost and the user cost are comprehensively considered, the capacity reduction benefit of charging pile sharing is fully excavated, and the customer satisfaction degree of community sharing charging piles is improved.

The invention discloses a preparation method and a quality detection method of a ligusticum wallichii standard decoction, and relates to the technical field of quality research of traditional Chinese medicinal materials. The method comprises the following steps: weighing a proper amount of ligusticum wallichii decoction pieces, putting the decoction pieces into a marmite, decocting twice, adding 9 times of water for soaking for 30 minutes for the first time, boiling with strong fire, and then decocting with slow fire for 30 minutes; 7 times of water is added for the second time, the mixture is boiled with strong fire and then decocted with slow fire for 20 min, the liquid medicine is filtered with 200 meshes, the filtrate is cooled to the room temperature in a cold water bath, the two filtrates are combined, vacuum concentration is conducted at the temperature of 50 DEG C, vacuum concentration is conducted at the absolute vacuum degree of 30-40 mbar until the weight ratio of the medicinal materials to the fluid extract is about 1: 1, concentrated liquid is collected, and freeze drying is conducted to obtain a sample. According to the method, key quality indexes such as the main content, the characteristic chromatogram and the extract of the ligusticum wallichii after the decoction is prepared are measured, the transfer rate is investigated, the component transfer condition from decoction pieces to the decoction is measured through objective quality standards, and the quality degree and effectiveness of the decoction are ensured.

The utility model discloses a simulation test device of sleeve inner wall cleaning simulation test equipment, which comprises an opening and closing simulation sleeve, a tension sensor is arranged at a clamping position of the opening and closing simulation sleeve, the opening and closing simulation sleeve is connected with a fixed shaft, a sliding shaft sleeve is movably sleeved on the fixed shaft, a rack is arranged on the inner side of the fixed shaft along the height direction of the fixed shaft, and the rack is connected with the sliding shaft sleeve. The rack is meshed with a gear, the gear is installed in an installation cavity of the sliding shaft sleeve, and an installation shaft of the gear is fixedly connected with the output end of a direct-current servo motor. The opening and closing simulation casing pipe provided with the tension sensor can adjust the clamping force at the clamping position according to displayed data, and the spring stiffness of the test cleaning product is accurately measured. In the experiment, the change condition of the clamping force can be monitored in real time, and first-hand data of the scraping effect of the test cleaning product can be obtained. And the opening and closing simulation sleeve can be driven by the sliding shaft sleeve to move up and down, the actual working condition of the sleeve inner wall cleaning tool in the well is restored to the maximum extent, and the accuracy of test data is ensured.