35results about How to "Improve horizontal accuracy" patented technology

The invention discloses a large indoor direct shear tester for geotechnical engineering, and relates to the technical field of geotechnical shear tests.The large indoor direct shear tester for geotechnical engineering comprises a sample container system, a shear loading system, a data acquisition control system and a base protection system.The sample container system is formed by splicing a plurality of modular sample containers; the modularized sample container is connected through a detachable connecting fastener, a replaceable lining plate is arranged in the container and is used for adjusting the size and interface conditions of the sample container, and an embedded porous pressure plate is arranged at the bottom of the container and is used for measuring the pore pressure change in the sample seepage process. By installing the base, the protection system and the normal loading system, the function of uniformly applying normal force in the shearing process is achieved, the problem that the test result is affected by eccentric errors in the shearing process is solved, and the precision and stability of the shearing test are improved.

The invention relates to the technical field of instrument calibration, in particular to an automatic leveling and plumbing system which comprises a laser transmitting module, a laser receiving module, a transmitting verification module, an anomaly analysis module, a plumbing correction module and a result output module, the laser transmitting module transmits laser, the laser receiving module obtains light spot information and transmits the light spot information to the transmitting verification module, and the plumbing correction module outputs the result. The laser emission quantity and parameters are controlled, the abnormity analysis module is used for determining the clear and stable state of laser emission and judging whether the laser emission accords with the plummet detection condition, the plummet correction module is used for judging whether laser verification is carried out or not according to the analysis result and sending a control instruction to the emission verification module, and the result output module is used for outputting the plummet detection result. According to the invention, the automation level and the measurement precision of the plummet detection are improved, the personal error is reduced, and the stability and the reliability of the system are enhanced.

The invention discloses a data processing method and system for video monitoring AI intelligent identification equipment, and the method specifically comprises the steps: obtaining the real-time video data of the video monitoring AI intelligent identification equipment of all factory monitoring areas, and forming an environment feature vector according to the real-time video data; dividing all factory monitoring areas into a plurality of environment categories based on the environment feature vectors, and determining a central monitoring area of each environment category; based on the central monitoring area, training a universal recognition model for each environment category, and adjusting the universal recognition model by adopting a transfer learning method to obtain a specific recognition model for each factory monitoring area in each environment category; and deploying the specific identification model to the video monitoring AI intelligent identification equipment of each corresponding factory monitoring area. According to the invention, the intelligent level and the identification precision of the factory video monitoring system are obviously improved, the resource distribution is optimized, and the operation cost is reduced.

The invention relates to the technical field of data processing, and discloses a roller press parameter adjusting method and system, rolling equipment and a storage medium, and the method comprises the following steps: obtaining target parameters of a roller press reaching a preset operation state, and carrying out parameter configuration on roll gaps at all levels to form a first parameter sequence; on the basis of the first parameter sequence and the target parameter, determining speed ratio configuration among all sections of rollers of the roller press to form a second parameter sequence; the roller press is controlled to execute feeding operation according to the first parameter sequence and the second parameter sequence, and diaphragm detection data formed through processing of the roller press are collected; and correcting the parameter sequence according to the difference between the diaphragm detection data and the target parameter to obtain a target diaphragm parameter. According to the invention, automation and standardization of debugging of the roller press are realized, the precision of parameter configuration and the production consistency are remarkably improved, the dependence on manpower is reduced, the targets of membrane thickness and surface density are stably realized, and the machine debugging efficiency and the product yield are improved.

The present invention discloses a method for detecting abnormalities in power line inspection by unmanned aerial vehicles based on point cloud data, which belongs to the field of point cloud information processing and includes the following steps: A. Data acquisition to obtain the three-dimensional point cloud spatial position information and color information of the transmission tower; B. Filtering, downsampling and registration processing of the acquired point cloud data to remove noise, improve accuracy and ensure data consistency; C. Target segmentation of the point cloud data according to the color characteristics of the insulator chain to extract the insulator chain area; D. Fitting the insulator chain point cloud data using the least squares method to determine the axial plane and generate a two-dimensional plane projection; E. Performing time series abnormality detection to identify and mark the position of the self-explosive insulator. The present invention realizes the efficient detection of power line insulator abnormalities by unmanned aerial vehicles through the combination of point cloud data processing and intelligent algorithms, significantly improves the automation and accuracy of power inspection, and is suitable for large-scale power equipment inspection tasks.

The invention discloses an unmanned aerial vehicle power line inspection anomaly detection method based on point cloud data, and belongs to the field of point cloud information processing, and the method comprises the following steps: A, data collection: obtaining three-dimensional point cloud space position information and color information of a power transmission tower; b, filtering, down-sampling and registering the obtained point cloud data, removing noise, improving precision and ensuring data consistency; c, target segmentation is carried out on the point cloud data according to color features of the insulator chain, and an insulator chain area is extracted; d, fitting the insulator chain point cloud data by using a least square method, determining an axial plane and generating a two-dimensional plane projection; and E, performing time sequence anomaly detection, and identifying and marking the position of the self-explosion insulator. Through the combination of point cloud data processing and an intelligent algorithm, the method achieves the efficient detection of the abnormality of the insulator of the power line through the unmanned aerial vehicle, remarkably improves the automation and precision of power inspection, and is suitable for the inspection task of large-scale power equipment.

The invention provides a micro flow measurement method and device based on computer vision and electronic equipment, and relates to the technical field of flow measurement. The micro-flow measuring method based on computer vision comprises the following steps: acquiring a grayscale image of a mechanical float flowmeter through which a fluid to be tested flows by using an image acquisition device; wherein the size of the grayscale image is a preset size value, and the shooting angle of the grayscale image is a preset shooting angle; according to a preset size value, a preset shooting angle and the gray level image, scale line position information of a floater in the mechanical floater flowmeter is determined; and determining the current flow value of the to-be-tested fluid according to the scale line position information of the floater. According to the invention, the automatic measurement of the trace flow can be efficiently realized at low cost.

The invention relates to the technical field of clothes, and discloses a suit convenient for replacing shoulder pads, which comprises a front part, a lining connected in the front part and two shoulder pads connected at the top in the lining, a plurality of air bags arranged at equal intervals are fixedly connected in the shoulder pads, the air bags are sequentially arranged from front to back, one end of each air bag is fixedly connected with an air guide pipe, and the other end of each air bag is fixedly connected with an air outlet. A sealing assembly is connected into the air inlet valve, a fixing assembly is connected to the bottom face of the shoulder pad, and a connecting assembly is connected to the outer side of the air guide pipe. According to the business suit with the shoulder pads convenient to replace, fine adjustment of the shoulder pads is achieved through mutual cooperation of the air inlet valves and the air guide pipes, the supporting effect of the shoulder pads on the business suit is ensured, the adaptability and comfort of the business suit are improved, it is ensured that each wearer can find a shoulder support most suitable for the body shape of the wearer, convenience is brought to business suit renting in a clothing shop, and the business suit is worthy of popularization and application. The design of the multiple air bags provides higher customization level and adjustment precision, and the problem that the expansion directions of the shoulder pad are inconsistent is solved.

The invention relates to a multi-surface superfinishing grinding device and system. The device comprises a rotation driving device used for providing rotation driving force; the eccentric main shaft is driven by the rotary driving device to do eccentric rotary motion; the oscillation sliding plate is provided with a driving hole, and the eccentric main shaft can make contact with the inner wall of the driving hole when doing the eccentric rotating motion so as to drive the oscillation sliding plate to do oscillation motion; the bearing plate is used for bearing the oscillating motion of the oscillating sliding plate; the telescopic piece is connected with the oscillating sliding plate; the grinding assembly is connected with the driving end of the telescopic piece and used for executing a grinding function; and the angle adjusting device is used for adjusting the angle of the oscillating sliding plate. The device can adapt to superfinishing grinding of various surfaces.

The utility model relates to a ground supplementary paving device, include: guide rail, support frame, feeding assembly are connected with support frame, and the guide cover is equipped with the accommodation space, and the lateral wall of guide cover is equipped with the inlet and the discharge gate, and the conveying part is rotatively connected with guide cover, and the conveying part includes the pivot and the conveying board, and the conveying board is located in the accommodation space, and the pivot is connected with two conveying boards, and two conveying boards extend along the axial direction of pivot and constitute the feeding space in opposite spiral direction, and the first drive part is connected with guide cover, and the first drive part can drive pivot rotation, and the paving assembly, and the compression roller is rotatively connected with support frame, and the drive assembly includes the second drive part and the first rolling part, and the first rolling part is rotatively connected with support frame, and the second drive part is connected with support frame, and the second drive part can drive the rotation of first rolling part, and the first rolling part is in abutment with guide rail. The utility model relates to a ground supplementary paving device, can improve the horizontal precision of cement plane after smoothening.

The invention relates to the technical field of surveying and mapping assistive devices, in particular to a special-shaped ground frame for surveying and mapping, which comprises a platform, more than three hydraulic cylinders are mounted at the edge of the lower surface of the platform, telescopic rods are slidably mounted in the hydraulic cylinders, a mounting box is mounted on the lower surface of the platform, and a hydraulic pump, a storage battery and a control mainboard are mounted in the mounting box. A diverter valve is installed in the center of the lower surface of the platform, a horizontal sensor is arranged at the bottom of the diverter valve, the liquid inlet end and the liquid outlet end of the hydraulic pump are connected with the main liquid inlet end and the main liquid outlet end of the diverter valve through main oil pipes respectively, and multiple pairs of electromagnetic valves are arranged on the diverter valve. Through the combination of the electronic control system and the hydraulic system, the surveying and mapping device can be quickly and automatically leveled, the erecting and leveling time is greatly shortened, and the working efficiency is improved.

The invention discloses a lightweight network traffic intrusion detection method fusing TrafficFormer-knowledge distillation, and aims to solve the problem of model lightweight demand and network traffic data imbalance in a resource limited scene. The method comprises the following steps: firstly, segmenting and filtering pcap-format original traffic data, dividing a data set according to a preset proportion, and then carrying out data balance on a training set by adopting an RIFA method; performing effective data extraction and byte-level processing on all the data sets to generate a standardized token sequence; then, a teacher model is built through fine tuning on the basis of a TrafficFormer pre-training model, and the model is pre-trained through MBM and SODF double-self-supervision tasks and has the excellent flow feature representation capacity; then, a four-layer Transform encoder is adopted as a lightweight student model, and teacher model knowledge is migrated to the student model through a double-loss function of KL divergence distillation loss and Focal supervision loss; and finally evaluating the performance of the obtained student model.

The invention relates to the technical field of ore body detection, and discloses an information acquisition device for ore body three-dimensional modeling, which comprises a supporting column, a mounting seat is fixedly connected to the top of the surface of the supporting column, fixing mechanisms are arranged on both sides of the top of the mounting seat, an acquisition mechanism is arranged on the surface of the supporting column, and a supporting mechanism is arranged at the bottom of the supporting column. The information acquisition device for ore body three-dimensional modeling can obtain physical and mechanical parameters of rock, the parameters have very important guiding significance for subsequent mining design work, and the parameters can help engineers to reasonably plan mining schemes, determine mining sequences, mining methods, model selection of mining equipment and other key links, and improve the mining efficiency. Therefore, comprehensive and efficient collection of the internal information of the ore body is realized, the overall efficiency and precision level of ore body information collection work are greatly improved, and powerful data support and technical guarantee are provided for scientific development and utilization of mineral resources.

The invention discloses a multi-role collaborative intelligent whole-process engineering consultation integrated management platform, which belongs to the technical field of engineering management, and specifically comprises a data access module for extracting engineering quantity and material strength grade in a building information model and process time nodes in a construction progress plan; the demand curve generation module generates a material demand curve accordingly. And the storage yard occupancy calculation module compares the real-time material entry record with the demand curve to calculate a storage yard occupancy dynamic value. And the stacking capacity management and control module calculates an effective stacking area according to the construction plane layout diagram, marks a storage yard when the effective stacking area exceeds the capacity, and locks a material entry inspection entrance. The material gap identification module generates a material gap list and pushes the material gap list to a supplier. And the demand curve correction module generates a correction demand curve according to the delivery notice and adjusts the state of the yard mark. According to the invention, the real-time matching of the material demand and the field capacity and the precise cooperation of the purchase and the progress are realized.

The invention relates to a strip steel online loop cooling device for a thin strip casting and rolling production line and a using method of the strip steel online loop cooling device. The cooling water tank is arranged below the strip steel on the production line, and cooling liquid for cooling the strip steel circularly flows in the cooling water tank; the double-layer loop roller structure is used for bending the strip steel at a set angle and then enabling the strip steel to enter the cooling liquid of the cooling water tank; the strip steel passes through the roller way structure and is used for conveying the head of the strip steel and assisting in threading; the strip steel passes through the rollers and the double-layer loop roller sets are arranged in a crossed mode in the running direction of the strip steel. And the control part is used for controlling the temperature of the cooling liquid in the cooling water tank and the working state of the double-layer loop roller structure. The cooling water tank, the double-layer loop roller structure and the strip steel passing roller way structure are integrally arranged, so that the automation level and the control precision of the cooling process are improved, the stability and the controllability of the cooling process are ensured, the energy consumption is effectively reduced, and powerful support is provided for improving the production efficiency and the product quality.

The invention relates to the field of production of circular shaft parts, and discloses an automatic coating treatment device for mechanical parts, which comprises a centering and gathering mechanism positioned between a positioning and driving mechanism and an extension frame and used for outputting the motion of a material spraying and uniform smearing mechanism; the pneumatic cleaning mechanism is matched with the positioning driving mechanism to blow and wash mechanical parts, and meanwhile the material spraying and uniform smearing mechanism structure is driven to operate through the material storage pool, the air inlet cylinder and the driving turbofan. The material spraying and uniform smearing mechanism is used for gathering and wiping the mechanical parts through cooperation of a wiping roller and the centering push table. The shaft-shaped parts are accurately controlled and operated through the automatic positioning driving mechanism, the centering and gathering mechanism and the material spraying and uniform smearing mechanism, manual intervention is reduced, the operation accuracy and the production efficiency are improved, accurate conveying and positioning of the shaft-shaped parts are achieved through the design of the positioning driving mechanism and the centering and gathering mechanism, and the production efficiency is improved. And the automation level of operation and the machining precision are improved.

The present invention discloses an assembled integrated ceiling panel connector installation structure, comprising a rod body, a connecting plate welded on the top of the rod body, two threaded rods connected to the inner thread of the connecting plate, a support plate threadedly connected to the top of the connecting plate, a movable plate rotatably connected to the inner part of the support plate, a plate body welded on the top of the movable plate, thread grooves are evenly arranged on the inner part of the plate body, and one end of the bottom of the rod body is rotatably connected to a shell through a bearing. The present invention arranges the movable plate and the connecting plate so that after the plate body is fixed, the connecting plate can drive the supporting plate to rotate at the bottom of the movable plate by swinging the connecting plate left and right until the position of the connecting plate is completely parallel to the position of the ceiling; after the horizontal position of the connecting plate is determined, the threaded rod inside the connecting plate is screwed into the hole groove of the ceiling, so that the position of the connecting plate can be fixed.

The present application relates to the technical field of computer modeling, and particularly relates to a three-dimensional geological model automatic generation method, system and electronic equipment, the method comprises the following steps: obtaining three-dimensional geological modeling requirement data and modeling data input by a user, and processing the modeling data; generating a modeling instruction stream through a large model after reinforcement learning, and performing feasibility verification on the generated modeling instruction stream; if the verification result is feasible, the modeling instruction stream is sent to a three-dimensional geological modeling software to generate a three-dimensional geological model; obtaining feedback information of a modeling expert adjusting the three-dimensional geological model and diagnosing and analyzing the modeling instruction stream generated by the large model, and storing the feedback information in a knowledge base; if the verification result is unfeasible, problem matching is performed in the knowledge base, and the result is input to the large model, after analysis, a modeling instruction stream is regenerated to drive the three-dimensional modeling software to model; thus, the present application can automatically generate a three-dimensional geological model.

The utility model provides a kind of servo steering rudder wheel, it is related to steering rudder wheel technical field, comprising: support assembly, the support assembly includes mounting plate, bottom plate and slewing bearing, the slewing bearing includes inner ring and outer ring with outer gear, the outer ring is rotatably connected with the inner ring, the outer ring of the slewing bearing is connected with the bottom plate, and the inner ring is connected with the mounting plate;Wheel structure is connected with the bottom plate.The utility model has the beneficial effects: through the vertical connection arrangement of support assembly, wheel structure and drive component, the rudder wheel rotation radius is smaller compared with traditional driving mode, while the installation height of the rudder wheel on vehicle body can be reduced;Secondly, the double-wheel layout of wheel in wheel structure and the stable connection mode of mandrel assembly ensure the stability of wheel in the process of rotation, avoid loose phenomenon, effectively prolong the service life of rudder wheel, solve the problem of poor wheel installation stability in multi-wheel rudder wheel system.

The invention relates to the technical field of instrument calibration, and in particular to an automatic leveling and plumbing system. The system comprises: a laser emitting module, a laser receiving module, an emission verification module, an abnormality analysis module, a plumbing correction module and a result output module. The laser emitting module emits laser, the laser receiving module obtains light spot information, the emission verification module controls the laser emission quantity and parameters, the abnormality analysis module determines the clarity and stability of the laser emission, and judges whether it meets the plumbing detection conditions. The plumbing correction module judges whether to perform laser verification according to the analysis result, and issues a control instruction to the emission verification module. The result output module outputs the plumbing detection result, and judges whether it meets the plumbing requirement. The invention improves the automation level and measurement accuracy of plumbing detection, reduces human errors, and enhances the stability and reliability of the system.

The utility model relates to a multi-stage distilled water evaporation device, relates to the technical field of distillation equipment, and aims to solve the problem that a traditional multi-stage evaporation device is large in occupied area. The multi-stage distilled water evaporation device comprises a frame body and a preheater arranged at the top of the frame body, a stand column is arranged in the frame body, and a layered supporting platform is fixed to the stand column in the vertical direction; a first-effect evaporator, a second-effect evaporator, a third-effect evaporator, a fourth-effect evaporator and a fifth-effect evaporator are sequentially arranged on the layered supporting platform from top to bottom, a water inlet pipeline is arranged between the preheater and the first-effect evaporator, and a heat source mechanism is arranged on the first-effect evaporator. Pure steam pipelines and concentrated solution pipelines are arranged between the first-effect evaporator and the second-effect evaporator, between the second-effect evaporator and the third-effect evaporator, between the third-effect evaporator and the fourth-effect evaporator and between the fourth-effect evaporator and the fifth-effect evaporator, a steam outlet of the fifth-effect evaporator is connected with a condenser, and a concentrated solution discharge outlet is formed in the bottom of the fifth-effect evaporator. The floor area and the overall length are remarkably reduced, and the space utilization rate is increased.

The invention discloses a dual-mode fragrant-flowered garlic harvesting and bundling device. The device comprises a rack, and a grain lifting module, a conveying module, a control module, a bundling module, a wheel set advancing module and a harvesting module which are assembled on the rack; the grain lifting module is used for carding fragrant-flowered garlic; the wheel set advancing module is used for controlling movement and steering of the rack; the harvesting module is used for cutting leeks; the conveying module is used for connecting the harvesting module and the bundling module; the bundling module is used for bundling Chinese chives; the control module is assembled at the rear end of the bundling module and the left part of the rack; the wheel set advancing module enables the device to flexibly move and steer in different terrains and environments; the operability and the application range of the machine are greatly improved; through the grain lifting module, the conveying module and the bundling module, the machine can adapt to different Chinese chive growth states and harvesting requirements, and the stability and efficiency of Chinese chives in the conveying process are ensured; in addition, automatic tightening, bundling and cutting of the Chinese chives are achieved.

The invention belongs to the field of nuclear reactors, and particularly relates to nuclear reactor moderator pool embedded part machining equipment and a machining method thereof. The invention relates to a nuclear reactor moderator pool embedded part machining device. The equipment comprises a base, adjustable base supporting legs, a fixed vacuum chuck, a displacement sensor, an X-axis axial gradienter, a Y-axis axial gradienter, an X-axis axial moving system, a Y-axis axial moving system, a Z-axis axial moving system, a servo system, a Z-axis machining spindle system, a cutter and a displacement sensor fixing device. The three-axis machining auxiliary displacement sensor has the remarkable effects that the traditional three-axis machining auxiliary displacement sensor is adopted for Z-axis axial compensation, so that the plane precision and the horizontal precision of machining of the reactor moderator pool embedded part are improved. And a machining method is adopted to replace an existing manual polishing method, so that the working efficiency is improved, and the working intensity is reduced.

The invention discloses an integrated bag feeding machine, which relates to the technical field of packaging equipment. The device comprises a bag bin station, a bag taking station, a sealing strip opening station, an auxiliary bag opening station, a filling station, a bottom bag opening station, a bag feeding station, a bag sealing station and a finished product conveying station. The adjustable bin size of the bag bin station can adapt to different packaging bag sizes, thereby adapting to different packaging needs. The rhythmic grabbing and multi-station synchronous transmission mechanism arranged at the bag feeding station ensures the rapid transmission of the sealed bag between the stations. Through the reasonable horizontal and vertical layout and efficient cooperation of each station, the fully automated operation of feeding, grabbing, opening, filling materials, closing, sealing and finished product conveying of the sealed bag is realized, which greatly improves the packaging efficiency, product quality and production space utilization rate. The problem of low automation and low production efficiency of the existing packaging and bagging production line due to equipment constraints is solved.

The invention provides a multi-source heterogeneous data automatic classification system and method, and belongs to the technical field of big data analysis, and the system comprises a data aggregation module which is used for aggregating data from different data sources in a multi-source heterogeneous environment to form multi-source heterogeneous data; the data classification module is connected with the data aggregation module and used for classifying the multi-source heterogeneous data to obtain a first classification result and verifying the first classification result to obtain a second classification result; and the data processing module is connected with the data classification module and is used for processing the multi-source heterogeneous data according to the second classification result, normalizing the processed multi-source heterogeneous data and storing the normalized multi-source heterogeneous data in a database. The method has the beneficial effects that the automation level and the classification precision of the classification task are improved through a verification mechanism of the classification result of the multi-source heterogeneous data, the automation degree is high, the flexibility is high, expansion and customization are easy, the intelligence and self-optimization of data classification are realized, and powerful data support is provided for the decision process.

The utility model provides a machine tool linear rail screw straightness and parallelism inspection jig, which relates to the technical field of machine tool processing and comprises a base, the top of the surface of the base is connected with a moving seat, and the surfaces of the two sides of the moving seat are connected with lifting appliances. According to the utility model, after the jig main body is locked, the gradienter main body is placed everywhere, one gradienter main body is transversely placed, the other two gradienter main bodies are laterally placed, the transverse gradienter main body is used for testing the parallelism of two bases, and the lateral gradienter main bodies are used for testing the levelness. The flatness and the parallelism between the position where the lower surface of the jig body is locked with the sliding block and the position where the gradienter body is placed on the upper surface of the jig body are required to be high and are basically within one, the position of bubbles of the gradienter body is observed by pushing the jig forwards and backwards, and the parallelism and the flatness of the linear guide rail are qualified by adjusting ground feet of a base. The problem of parallelism leveling of the two bases of the large-span machine tool is solved.

The invention relates to an infrared image low-zero-value insulator detection method based on YOLO11 and a particle swarm optimization algorithm, and the method comprises the steps: collecting an infrared image of a suspension type porcelain insulator string, carrying out the direction recognition and image segmentation of each insulator in the infrared image through an improved YOLO11 model, and carrying out the recognition of the direction of each insulator; the outline of each insulator on the axis of the suspension type porcelain insulator string is obtained; performing multi-scale adaptive filtering on the infrared image of each insulator through an improved YOLO11 model for the contour of each insulator, extracting temperature values of key points of the contour of each insulator to obtain feature temperature data of each insulator, and arranging the feature temperature data according to a serial number sequence to obtain an axis temperature data set; and inputting the axis temperature data set into the low-zero-value insulator string resistance inversion model to obtain an insulation resistance value of each insulator, and obtaining a low-zero-value detection result according to the insulation resistance value of each insulator. Compared with the prior art, the automation level and the diagnosis precision of insulator low zero value detection are remarkably improved.

The invention provides a liquid hydrogen filling process testing device and method, and relates to the technical field of liquid hydrogen filling. The liquid hydrogen filling process testing device comprises a discharge pipe, a filling pipe, a front filling pipeline, a rear filling pipeline, a front replacement pipeline, a rear replacement pipeline and a front rewarming pipeline. The discharge end of the filling pipe, the inlet end of the discharge pipe and the inlet end of the rear filling pipeline are all located in the isolation cavity and provided with a one-way circulation mechanism. And the discharge end of the front filling pipeline is communicated with the inlet end of the filling pipe to form a filling path. The discharge end of the front replacement pipeline is communicated with the isolation cavity, and the inlet end of the rear replacement pipeline is communicated with the discharge end of the discharge pipe, so that a replacement path is formed. And the front filling pipeline, the filling pipe, the discharge pipe and the rear replacement pipeline jointly form a precooling path. And the discharge end of the front rewarming pipeline is communicated with the middle part of the front filling pipeline to form a first rewarming path. And each pipeline is provided with a flow control unit and a detection unit. The test effect of the device is improved through reasonable design.

The invention relates to a tool row clamp control method for a CNC machining center. The tool row clamp control method comprises the steps that an exploration environment needed by learning of a tool row clamp control law is built; according to a workpiece position, a workpiece speed and an expected workpiece position instruction output by an exploration environment, constructing an input signal required by learning of a tool row clamp control law; inputting a row clamp theoretical output instruction obtained from the tool row clamp control law into a row clamp amplitude limiting unit, obtaining an output result of the row clamp amplitude limiting unit, and inputting the output result into the exploration environment; a reward return unit is constructed, a current-moment reward of the workpiece position of the exploration environment is fed back to a tool row clamp control law, and learning of the tool row clamp control law is optimized by maximizing the total reward; and learning the tool row clamp control law to obtain a final tool row clamp control law, and controlling the tool row clamp based on the tool row clamp control law. The machining efficiency and quality can be improved, and meanwhile equipment loss and operation risks are reduced.