153results about How to "Avoid efficiency" patented technology

The invention discloses an agent task scheduling planning method, and relates to the technical field of agent scheduling. The method comprises the steps of analyzing a task instruction to generate atomic tasks capable of being independently executed, constructing a subtask dependency graph, and defining association constraints between the tasks; determining the real-time resource occupancy state of the intelligent agent to obtain a resource state tensor, completing resource-task association anchoring and dependency priority ranking in combination with the sub-task dependency graph, and generating a task priority sequence with resource constraint; performing dynamic capability matching and predictive load balancing calculation on the sequence through a task-agent adaptation model, and determining a target execution agent of each atomic task; and based on the target execution agent and the subtask dependency graph, performing time sequence scheduling arrangement and conflict resolution, and generating a collaborative execution scheme. The method improves the reasonability and efficiency of agent task scheduling, reduces resource conflicts and execution timeout risks, and is suitable for agent cluster collaborative scheduling in a complex scene.

The invention relates to the technical field of power distribution, in particular to a power distribution method and device for a non-condensation environment of a flexible charging pile and computer equipment. Comprising the following steps: acquiring temperature and humidity data inside and outside a charging pile through a sensor, and correcting and calibrating the data based on an external environment fluctuation factor to obtain accurate temperature and humidity distribution data; analyzing temperature distribution, identifying an area with a relatively large temperature gradient, generating an airflow adjustment scheme, and adjusting an internal airflow to enable a temperature field to tend to be uniform; monitoring the temperature and humidity data of the key part, judging the water vapor adhesion probability, and performing local dehumidification or heating intervention when necessary; and the change trend of the electrical insulation performance is continuously monitored, the airflow strategy is optimized, self-adaptive power distribution and airflow adjustment are carried out according to the optimization result, and stable operation of the charging pile is ensured. According to the invention, the problem of water vapor adhesion possibly caused by the charging pile in a non-uniform temperature and humidity environment is solved, and stable and efficient operation of the charging pile in a complex environment is realized.

The present application relates to the technical field of power distribution control, and particularly relates to a power intelligent dynamic distribution method for a skid steer loader based on multi-working condition identification. The method comprises the following steps: performing skid steer loader multi-modal operation characteristic analysis on power states of skid steer loader multi-source operation data to generate skid steer loader multi-modal operation characteristic data; performing skid steer loader working condition characteristic analysis on the skid steer loader multi-modal operation characteristic data to generate skid steer loader working condition characteristic data; performing power demand characteristic analysis on working condition dynamic change trends based on skid steer loader real-time operation data and the skid steer loader working condition characteristic data to generate working condition dynamic change trend power demand characteristic data; and performing skid steer loader power distribution and dynamic optimization processing based on the working condition dynamic change trend power demand characteristic data to generate skid steer loader power distribution dynamic optimization data. The present application realizes efficient and energy-saving intelligent distribution of power under multi-working conditions of a skid steer loader.

The invention relates to the field of biological catalysis, and discloses a method and a device for generating ursodesoxycholic acid through continuous flow catalysis of chenodeoxycholic acid. Comprising the following steps: (1) in the presence of first immobilized cells, carrying out a first catalytic reaction on a reaction system containing chenodeoxycholic acid to obtain a first product, the first immobilized cells expressing 7 alpha-hydroxysteroid dehydrogenase and lactic dehydrogenase; the concentration of the chenodeoxycholic acid in the reaction system is 40 to 70 mM; (2) adjusting the pH value of the first product to 8-9, and then in the presence of a second immobilized cell, carrying out a second catalytic reaction on the first product after the pH value is adjusted to obtain ursodesoxycholic acid, and the second immobilized cell expresses 7 beta-hydroxysteroid dehydrogenase and glucose dehydrogenase. According to the method, the stable activity of a catalytic system is kept, efficient conversion of high-concentration CDCA is achieved, meanwhile, precipitation of 7-KLCA is thoroughly avoided, and the synthesis efficiency, the product purity and the process continuity of UDCA are remarkably improved.

The utility model belongs to the technical field of part production equipment, and particularly relates to automobile part assembling and feeding equipment which comprises a rack, a feeding station, a recycling station and a feeding channel are arranged on the rack, a conveying mechanism on the rack can transfer a material tray on a cart to the feeding station, the conveying mechanism can ascend and descend, and the feeding channel is communicated with the recycling station. A lifting claw of the feeding station, a lifting plate of the recycling station and a grabbing mechanism are matched with one another, the closed-loop automatic process of feeding, discharging and recycling of a material tray is achieved, the trolley of the equipment can achieve automatic material transportation through an AGV carrying robot, the labor cost and the labor intensity are reduced, production accidents caused by manual operation errors are avoided, and the production efficiency is improved. And the safety and stability of the production process and the overall production efficiency of automobile part assembly are improved, and powerful support is provided for modern intelligent manufacturing.

The invention discloses a full-process visual monitoring and intelligent management method for a glass bracket production line, and relates to the technical field of industrial quality control, and the method comprises the steps: carrying out the continuous image collection of all stations of the glass bracket production line through an image collection unit, and constructing a full-process image data sequence; detecting the size of the glass bracket by using the qualified glass bracket size image database, and judging whether the size is abnormal or not; further performing defect detection on the glass bracket with the normal size, and determining whether an abnormal defect exists or not through pixel value difference analysis; and finally, summarizing the glass brackets with abnormal sizes or defects and related information thereof, and generating a visual quality report, so as to quickly position problems and optimize the production process. The comprehensive monitoring and intelligent management of the glass bracket production process are realized, and the production efficiency and the product quality are improved.

The utility model discloses a motor end cover structure, which relates to the technical field of motor end covers and comprises a motor end cover main body, a plurality of fixing plates distributed in an annular array are mounted at the rear part of the outer surface of the motor end cover main body, and mounting holes are formed in the plurality of fixing plates. The upper portion and the lower portion of the front inner wall of the motor end cover body are each provided with a plurality of heat dissipation holes, the heat dissipation holes extend to the front side of the motor end cover body, the upper portion and the lower portion of the front end of the motor end cover body are each provided with a screen, and the left portion and the right portion of the front end of the motor end cover body are jointly provided with a U-shaped frame. And a connecting shaft is movably arranged in the U-shaped frame in a sleeving manner. According to the utility model, the baffle plate, the brush and the connecting shaft cooperate with each other to block the front of the screen, so that dust, metal chips or other impurities are prevented from passing through the heat dissipation holes to pollute the interior of the motor, and the performance and normal use of the motor are ensured.

The invention provides a Yankee drying cylinder system with multi-stage heat energy recovery and automatic temperature control, which relates to the technical field of heat energy recovery and comprises a multi-stage heat energy recovery unit, a steam mixing and adjusting unit and an intelligent temperature control center, the multi-stage heat energy recovery unit is used for recovering sensible heat of tail gas discharged by a Yankee drying cylinder, heat dissipation of a cylinder body and latent heat of condensate water and converting the sensible heat, the heat dissipation and the latent heat into available low-pressure steam; by arranging the first-stage tail gas recovery assembly, the second-stage cylinder body heat dissipation recovery assembly and the third-stage condensate water recovery assembly which are sequentially connected, sensible heat of tail gas discharged by the Yankee dryer, heat dissipation of the cylinder body and latent heat of condensate water can be comprehensively captured, and energy waste caused by direct discharge of waste heat in a traditional system is avoided; recycled heat energy is converted into low-pressure steam, then the low-pressure steam is stored in the low-pressure steam buffer tank and serves as a recycled steam source to be mixed with main steam to be introduced into the Yankee drying cylinder again, part of main steam consumption is effectively replaced, the input amount of external main steam is greatly reduced, and the industrial development trend of energy conservation and consumption reduction is met.

The embodiment of the invention provides a workflow allocation method and device based on a multi-cloud environment, equipment and a storage medium. The method comprises the following steps: determining a to-be-allocated workflow, wherein the to-be-allocated workflow comprises a plurality of to-be-allocated tasks with an execution time sequence relationship; obtaining a resource state set corresponding to the plurality of cloud service nodes, wherein the resource state set comprises a plurality of virtual machine states corresponding to the plurality of cloud service nodes; generating a target input text according to the to-be-allocated workflow and the resource state set, and inputting the target input text into the large language model to obtain node allocation information; reading a target virtual machine state set of a target cloud service node corresponding to the node allocation information from the resource state set; and inputting the to-be-allocated workflow and the target virtual machine state set into a pre-trained target decision model to obtain a task allocation relationship between the plurality of to-be-allocated tasks and the virtual machines on the target cloud service node. Therefore, the reasonability of workflow allocation can be improved, and the resource utilization efficiency is improved.

This invention provides a method and system for thermodynamic parameter correction in HCh software, relating to the field of parameter correction technology. The method includes: determining initial thermodynamic parameters of a target component; inputting the initial thermodynamic parameters into HCh software for preliminary simulation and outputting the equilibrium concentration of the target component; calculating the comprehensive deviation between the equilibrium concentration of the target component and the desired equilibrium concentration; determining the search step size based on the relative magnitude of the comprehensive deviation and the desired equilibrium concentration, combined with gradient scaling technology; synchronously adjusting the Gibbs free energy and activity coefficient in the initial thermodynamic parameters using a binary search method in a coupled manner according to the search step size to obtain optimized thermodynamic parameters; updating the initial thermodynamic parameters using the optimized thermodynamic parameters, returning to re-simulate, until the comprehensive deviation is less than a preset comprehensive deviation value; and outputting the optimized thermodynamic parameters, completing the thermodynamic parameter correction. This invention improves the accuracy and efficiency of parameter correction.

The application relates to the technical field of surface defect intelligent detection, and discloses a surface defect detection method and device based on multi-view synthetic imaging. The method comprises the following steps: acquiring a multi-view synthetic image without dead angles of a detected target after quality evaluation; performing highlight suppression and shadow enhancement on the multi-view synthetic image to obtain an enhanced multi-view synthetic image; separating the enhanced multi-view synthetic image into corresponding multiple single-view images, respectively performing defect detection on each single-view image to obtain corresponding single-view defect detection results, and generating a final overall detection result based on the single-view defect detection results. Through multi-view synthetic imaging, image quality control, high-reflective surface enhancement processing and multi-view joint defect detection, the application can effectively solve the problems of light interference and defect missing detection in high-reflective surface detection, and can realize high-precision surface defect detection with no dead angle coverage in a single detection.

This invention belongs to the technical field of engine crankcase technology, specifically relating to a gas pressure decay monitoring method for engine sealing performance testing. The method includes: acquiring initial test parameters of the internal cavity and the environment; after entering the pressure stabilization stage, calculating the thermo-pressure coupling degree of free space and thermal equilibrium convergence potential energy by combining cavity volume shrinkage and sensor temperature drift, and mapping these to residual thermal disturbance confidence level, thereby intelligently and adaptively trunculating the pressure stabilization stage; during the testing stage, obtaining the true pressure through basic temperature and pressure compensation, thermal disturbance aging correction, and environmental transient thermal shock compensation; finally, calculating the decay rate based on the true pressure to determine sealing performance. This invention achieves intelligent truncation of the pressure stabilization process, ensuring testing accuracy while avoiding production cycle delays; it only reflects physical gas loss, reducing the misjudgment rate of good products caused by environmental interference in assembly line production.

The invention relates to an enterprise collaborative office management method and system, and relates to the technical field of enterprise management, and the method comprises the steps: obtaining resource use data in enterprise office; analyzing the resource use data through a threshold judgment model, and when the value of the resource use data exceeds a preset threshold, executing a resource allocation algorithm to minimize the total resource allocation deviation and load imbalance; in response to completion of execution of the resource allocation algorithm, sending an adjustment instruction to the cloud resource management platform, and adding resource allocation to the server of the enterprise; obtaining and analyzing workflow data of an enterprise, and identifying project delay factors to obtain a corresponding analysis result; according to the analysis result, executing a workflow adjustment algorithm to minimize task delay and task load imbalance; and analyzing the event mode in the working data flow, and executing an event response algorithm to optimize the event mode so as to maximize the event response efficiency and the resource utilization rate. The office management effect of an enterprise system can be improved.

The embodiment of the invention provides a signal processing method and system for power supply equipment of a battery and electronic equipment, and the method comprises the steps that a first voltage signal, a second voltage signal and a third voltage signal corresponding to the power supply equipment of the battery are determined, the first voltage signal is used for representing the current charging state of the power supply equipment, and the second voltage signal is used for representing the current charging state of the power supply equipment; the second voltage signal is used for representing the normal charging state of the power supply equipment, and the third voltage signal is used for compensating the influence result of the target factor on the current charging state; based on the first voltage signal, the second voltage signal and the third voltage signal, a target voltage signal of the power supply equipment is determined, and the target voltage signal is used for lowering the difference degree; and on the basis of the target voltage signal and the temperature information corresponding to the first voltage signal, the second voltage signal and the third voltage signal, calibrating the to-be-calibrated current of the power supply equipment to obtain a target current. The technical problem that the signal processing accuracy of power supply equipment of a battery is low is solved.

The invention discloses a method and system for detecting the internal quality of a polyethylene pipeline hot-melt welding joint, and belongs to the technical field of pipeline quality detection.The method comprises the following steps that before a tensile test is carried out, ultrasonic quality detection is carried out on a casual inspection joint of a polyethylene pipeline set to be detected; dynamically determining an initial tensile rate based on the material grade and the material attribute parameter of the to-be-tested polyethylene pipeline group, and executing a first tensile test at the initial tensile rate; iteratively and dynamically adjusting the tensile rate of the tensile test of the next casual inspection joint based on the tensile test result of the previous casual inspection joint until the tensile test of each casual inspection joint is completed; dynamically executing fracture quality detection based on the fracture position and the fracture characteristic parameter of each spot check joint to obtain a fracture quality detection result of each first joint; and executing internal quality comprehensive detection based on the ultrasonic quality detection result, the fracture quality detection result and the tensile test result of each first joint.

The utility model belongs to the field of energy and power engineering, and particularly relates to a circulating water energy efficiency conversion device which comprises an energy efficiency conversion pipeline body, a waterproof shell is fixedly installed on one side of the energy efficiency conversion pipeline body, a transmission hole is formed in one side of the energy efficiency conversion pipeline body, and a sealing rubber ring is fixedly installed on the inner side of the transmission hole. A transmission shaft is rotationally mounted on the inner side of the sealing rubber ring; the transmission shaft is fixedly sleeved with a hollow rotating disc, and six guide grooves are formed in one side of the hollow rotating disc. The positions of the blades can be adjusted by observing the flow of circulating water in a pipeline, when the flow of the circulating water fluctuates, the radial positions of the blades are adjusted to change the flow receiving area, it is ensured that the blades efficiently capture water flow energy, overload when the flow is too large or sudden reduction of efficiency when the flow is too small is avoided, and the output power of the device can be rapidly changed. Stable transition is achieved, and equipment is protected against impact.

The utility model relates to the technical field of energy storage battery installation, and discloses a convenient installation structure of a household energy storage battery, the convenient installation structure comprises an installation base and a battery main body, the outer wall of the installation base is provided with an installation assembly used for rapidly fixing the battery main body, and the installation assembly comprises two moving plates moving relatively and a gear; the two movable plates are arranged on the mounting base, racks are welded to the outer walls of the bottoms of the two movable plates, the gear is rotationally connected to the outer wall of the middle of the mounting base through a rotating shaft, and the two racks are meshed with the gear. The fixing column is quickly inserted into the fixing hole of the battery main body, the installation process is completed, professional tools and skills are not needed, compared with a traditional structure, the installation difficulty and time cost are remarkably reduced, a user can independently complete installation, the problems of inconvenient installation and high cost are effectively solved, and the installation of the household energy storage battery is simpler and more feasible.

The utility model relates to the technical field of asphalt mixture separation, in particular to a waste asphalt mixture oil-stone separation device which comprises an installation sleeve, a shaking ring, a supporting piece, a swinging transmission mechanism and a driving assembly, an annular shaking groove coaxially extending with the installation sleeve is formed in the inner wall of the installation sleeve, and the shaking ring is in sliding fit with the shaking groove. A filter screen is fixedly installed on the inner circumference of the device, the supporting piece is fixedly connected into the device, the top of the supporting piece is fixedly connected with a vertically-extending supporting shaft, the swing transmission mechanism comprises a second swing arm rotationally connected with the supporting shaft, and the free end of the second swing arm is rotationally connected with a third rotating shaft. According to the device, the mounting sleeve, the shaking ring, the supporting piece, the swinging transmission mechanism and the driving assembly are arranged, so that the filter screen swings, all areas of the filter screen can obtain sufficient activity space, the problems of low local screening efficiency and material accumulation are solved, and the oil-stone separation efficiency and effect are improved.

The application discloses a mold for automatic production, which comprises a front mold, a rear mold and a mold core top block. The front mold comprises a front mold core. The mold core top block is provided with a slot in the middle, and is sleeved outside the convex part of the rear mold core. The convex part of the rear mold core, the front mold core and the mold core top block cooperatively form a cavity. Limiting buckles are arranged on the opposite sides of the front mold core, and the front mold core is connected with the mold core top block through the limiting buckles. The application provides a high-efficiency mold for automatic production, which can complete ejection during the mold opening process, solves the problem of efficiency reduction caused by opening the mold first and then ejecting the product in the injection molding process, avoids the problems of efficiency reduction and waste caused by subsequent processes such as cutting off the gate and sorting, and meets the demand of automatic production. Through deformation processing of the point gate and step-by-step ejection, the efficiency can be further improved while ensuring the surface forming quality of the product.

The utility model provides a kind of high stability direct current water pump, belong to water pump technical field, including shell;Water cavity is opened in shell, protective shell is set in water cavity, lubricating cavity is opened in protective shell, stator is set in lubricating cavity, rotatable through shaft is set in stator, rotor is set on the side of shaft;Mounting hole is opened in protective shell side, water inlet impeller is connected with the other end of the shaft passing through mounting hole, and liquid inlet back impeller is set, water inlet impeller is located in water cavity, and liquid inlet back impeller is located in lubricating cavity;Through the relative setting water inlet impeller and liquid inlet back impeller in both ends of shaft, water inlet impeller drives fluid delivery in water cavity, while liquid inlet back impeller agitates lubricating fluid in lubricating cavity synchronously, using the reverse thrust of back impeller to offset the axial force generated by water inlet impeller, reduce shafting deviation, reduce bearing wear, improve stability.

The invention discloses an intelligent dynamic coding system based on multi-modal visual identification and a control method, and relates to the technical field of automatic coding, and the system comprises a data synchronous collection module which obtains multi-modal data containing a sensitive area and carries out calibration output; the space-time-confrontation feature fusion module extracts and fuses multi-modal features; the dynamic trajectory prediction module generates a precise motion trajectory; the coding path optimization module generates and optimizes a coding path; the execution and feedback module drives code printing equipment to execute, collects effect data and feeds back the effect data to the preorder module, and an iterative optimization closed loop is formed; an integrated framework is adopted, driving, regulating and monitoring units are deeply fused, the structure is simplified, stability and reliability are improved, multiple scenes are flexibly adapted, meanwhile, a multi-module cooperation mechanism is constructed, signal and energy interaction is optimized, efficiency is improved, energy consumption and cost are reduced, maintenance and upgrading are facilitated through modular design, and practicability and market competitiveness are enhanced.

The invention relates to the field of medicines, in particular to application of tRF-5030c in preparation of a product for treating non-small cell lung cancer. The tRF-5030c provided by the invention is not a simple sequence design product, but is a direct experimental evidence based on the interaction of the tRF-5030c and the double-target protein. Cooperative regulation and control of two key mechanisms are achieved through the single molecular entity, and the problems of low synergistic efficiency and toxicity superposition caused by pharmacokinetic differences, structural isomerism and action target cell heterogeneity of multiple drugs are fundamentally solved. It is ensured that dual inhibition of PARP1 mediated DNA repair and EGFR driven survival signals is highly consistent in time and space.

The invention relates to a container safety intelligent lock penetrating identification method and system based on computer vision, and the method comprises the steps: detecting the information of two key points where a lock rod of an intelligent lock intersects with a lock hole, detecting a lock hole region of the intelligent lock, and determining a lock hole center region based on the lock hole region; and then processing is carried out according to the information of the two key points obtained through detection and the central area of the lock hole, and whether the lock rod of the intelligent lock penetrates through the lock hole or not is judged. Thus, according to the relevant information of the intelligent lock collected by a machine, whether the lock rod of the intelligent lock correctly penetrates through the lock hole or not is automatically and accurately identified, and the problems of low efficiency and tedious workload when whether the lock hook of the intelligent lock is in the locked state or not is manually checked are solved.

The application provides an SDA spectrum design automation method, comprising: setting a database, the database storing curve data and radiation flux parameters of standard lamps, and importing corresponding target curves; generating a plurality of formula groups according to the target curves, each formula group containing at least one setting parameter of a standard lamp, the setting parameter comprising a lamp name, a current value and an occupancy ratio; performing curve fitting calculation on each formula group to generate a fitting curve, respectively acquiring an absolute amplitude curve of each group of standard lamps, and performing area integral superposition on all absolute amplitude curves participating in fitting to obtain the fitting curve; verifying the fitting curve through a multi-dimensional verification strategy to obtain a score result, selecting a formula group with the highest score as an optimal formula group, and judging whether the optimal formula group meets an expectation; if the optimal formula group meets the expectation, outputting the optimal formula group; if the optimal formula group does not meet the expectation, initializing a formula and regenerating a new formula group.

The invention discloses a feeding device for child toy car accessory machining, and belongs to the technical field of toy car accessory machining. The feeding device for child toy car accessory machining comprises a mounting frame, the top and the bottom of the mounting frame are each provided with an opening a, and the two ends of the mounting frame are symmetrically and movably provided with pushing assemblies; the pushing assembly comprises sliding seats which are symmetrically and movably arranged at the two ends of the mounting frame, clamping assemblies are movably arranged on the sides, close to each other, of the two corresponding sliding seats, a moving assembly connected with the clamping assemblies is connected between the two sliding seats, and a rotating assembly connected with the moving assembly is connected between the two sliding seats; the two clamping assemblies conduct clamping and centering positioning treatment on the two ends and the corresponding side walls of the workpiece to be machined in the mode that the two clamping assemblies get close to each other, shaft accessories of different specifications of child toy cars can be clamped conveniently, and the problem that when the shaft accessories of the child toy cars of different specifications are machined, a whole set of jig needs to be replaced is solved.

The utility model relates to the technical field of production detection, and discloses a control feedback device for quality detection of a production line, which comprises a portal frame and a detection frame for mounting the portal frame, the bottom end of the portal frame is connected with a detection unit, one side of the portal frame is connected with a first cylinder, and the output end of the first cylinder penetrates through the portal frame. And the material removing plate is connected to one side of the material removing plate, and the protective cover is connected to one side of the material removing plate. According to the utility model, through the control of the feedback controller and the cooperation of the PLC controller, dual quality detection can be carried out, through the display, the infrared distance sensor and the speed sensor, the accuracy during elimination can be controlled, the detection accuracy is improved, the quality detection is timely fed back through the warning lamp, and the quality detection efficiency is improved. And meanwhile, the second air cylinder extends out to push the baffle to block products which are misjudged and removed, so that the production efficiency is prevented from being reduced or the quality problem is avoided.

The application discloses a wide-speed-adjustable permanent magnet synchronous motor with variable air-gap magnetic flux and a control method, and relates to the technical field of motors. The synchronous motor comprises a screw rod, a first screw rod fixing seat, a second screw rod fixing seat, a stator and a rotor assembly. The first screw rod fixing seat and the second screw rod fixing seat are fixed at two ends of the screw rod. The rotor assembly is coaxially arranged outside the screw rod and is coaxially arranged with the stator. The rotor assembly and the screw rod are rotatably and axially movably matched. The rotor assembly is of an axial sectional structure. At least two rotor sections with differentiated electromagnetic parameters are arranged along the axial direction of the screw rod. The magnetic circuit structure with different axial sectional air-gap magnetic fluxes is formed between each rotor section and the stator. Without relying on the traditional flux-weakening control, the air-gap magnetic flux is changed in a mechanical mode, the back electromotive force and the torque characteristics of the motor are adjusted, wide-range speed adjustment is realized, the efficiency reduction and the additional loss caused by the flux-weakening control are avoided, and the overall operation performance of the motor is improved.

The utility model relates to a TOFD scanning electric driving device. The TOFD scanning electric driving device comprises a driving protection shell, a motor, a transmission pinion, a transmission rack wheel, a transmission shaft, a driving wheel, a driven wheel and a connecting assembly, and the motor is arranged in the driving protection shell. The small transmission gear and the large transmission gear are arranged in the driving protection shell, and the small transmission gear is fixed to the output end of the motor. The transmission shaft is arranged outside the driving protection shell and connected with the transmission large gear. The driving wheel and the driven wheel are respectively arranged at two ends of the transmission shaft. The connecting assembly is used for fixing the TOFD scanning frame to the driving protection shell. According to the TOFD scanning electric driving device, automatic constant-speed walking is achieved, the problems of low efficiency, high labor intensity, uneven scanning speed and the like in traditional manual operation are solved, the stability of the scanning process and the reproducibility of results are ensured, and therefore the quality of a TOFD spectrum is greatly improved.

The utility model discloses an auxiliary device for grinding a junction surface of a heavy headstock, which is characterized in that the device comprises a positioning mechanism and a rotary driving mechanism, the positioning mechanism comprises a first positioning plate and a second positioning plate which are connected through a pair of bolts, and the rotary driving mechanism is connected with the first positioning plate and the second positioning plate. The first positioning plate is located in a guide rail groove formed in a machine tool body, the second positioning plate is pressed at an opening of the guide rail groove, a V-shaped groove is formed in the inner side face of the second positioning plate and matched with an E-shaped guide rail arranged on the machine tool body, meanwhile, a first rotating shaft is arranged on the outer side face of the second positioning plate, and a second rotating shaft is arranged on the first rotating shaft. The rotating driving mechanism comprises a first driving rod, a connecting hole matched with the first rotating shaft is formed in the first driving rod, one end of the first driving rod is rotationally connected with one end of a second driving rod, a positioning bolt is arranged at the other end of the second driving rod, and the positioning bolt is matched with a mounting hole formed in the edge of the headstock.