30results about How to "Realize fine processing" patented technology

The walnut processing and conveying equipment with the steering mechanism comprises a conveying table, a conveying steering belt, a containing box and a processing assembly, the conveying steering belt is movably installed on the inner side of the conveying table, the containing box is placed above the conveying steering belt, the processing assembly is fixedly installed above one side of the conveying table, and the processing assembly is fixedly installed above the other side of the conveying table. A conveying steering belt is arranged to drive an upper placing box to move, and different processing treatments are carried out when the conveying steering belt moves to the position below the processing assembly; according to the walnut processing equipment, automatic or semi-automatic production can be achieved, the processing efficiency is remarkably improved, the labor cost is reduced, multi-stage processing treatment is conducted on walnuts in the transportation process, parameters such as the temperature and time in the processing process are accurately controlled through arrangement of the temperature controller, and the walnut processing equipment can guarantee the quality and consistency of products; the efficient processing equipment can reduce damage and loss of walnuts in the processing process, and the utilization rate of raw materials is increased.

A blink monitoring method and system in a strong light environment, a medium and a product, the method comprising: a blink monitoring system determines a user's eyelid contour and a user's pupil visible portion from a user's eye image, predicts a user's pupil invisible portion based on user's complete pupil information, and determines a user's eye image; then calculating a pupil visible proportion, an effective pixel proportion and an eyelid height proportion; when the difference between the pupil visible proportion and the effective pixel proportion is within a preset error range, the blink monitoring system calculates the user eye closing degree corresponding to the user eye image according to the first weight of the eyelid height-width proportion and the second weight of the pupil visible proportion. In a preset time period, the blink monitoring system obtains a plurality of user eye images with the same time interval, and the user eye closing degree of each user eye image is determined in sequence, so that the blink condition of the user in the preset time period is evaluated. By implementing the method, the blinking index of the user can be accurately obtained, so that the fatigue state of the user is predicted.

The invention discloses an intelligent composite pipeline with a real-time monitoring and analysis decision-making system, and relates to the technical field of intelligent composite pipeline real-time monitoring and analysis decision-making, which comprises a composite pipeline body, a real-time monitoring and analysis decision-making system, an intelligent control emergency valve and a valve control device, the real-time monitoring and analysis decision-making system comprises a monitoring system, a data acquisition terminal, a data processing and analysis platform, a monitoring platform, an emergency response processing platform, a data display terminal and a power supply device. An inner lining layer monitoring system and an outer lining layer monitoring system are embedded into an inner reinforcing layer and an inner lining layer interlayer of the pipeline and an outer reinforcing layer and an outer interlayer of the pipeline correspondingly, and the running state of the pipeline and conveying medium parameters are monitored in real time; when abnormity is monitored, the monitoring system converts abnormal parameters into electric signals, controls the intelligent control emergency valve to block medium transmission, automatically gives an alarm, analyzes fault causes, provides an emergency decision scheme and notifies maintenance personnel, and the management efficiency, the accuracy and the safety of the pipeline are improved.

The invention relates to the technical field of electronic equipment, and provides a machine shell machining method, a machine shell and electronic equipment.The machine shell machining method comprises the steps that stamping treatment is conducted on a base material, a preformed part is obtained, the preformed part is provided with a bottom wall and four side edges arranged in the circumferential direction of the bottom wall, and a convex hull is formed on the side, away from the side edges, of the bottom wall; sequentially carrying out pier extrusion treatment and shaping treatment on the preformed part; cNC machining is conducted on the bottom wall, the four side edges and the convex hull of the pre-formed part obtained after shaping treatment, and a semi-finished machine shell is obtained; and carrying out surface treatment on the shell semi-finished product to obtain a shell finished product. According to the machine shell machining method, the machining time of the machine shell is greatly shortened, the machining cost of the machine shell is reduced, a complex appearance structure which cannot be achieved through a stamping technology can be machined, the flatness standard before CNC machining is achieved, CNC machining can be rapidly and conveniently carried out, and fine machining of the machine shell with the complex appearance is achieved.

The invention relates to a rice sieve device for high-nutrition grain processing, and relates to the technical field of grain screening, the rice sieve device comprises a rack, and the rack is provided with a feeding hopper and an elevator; the sieve plates are arranged on the rack, the aperture specifications of the sieve plates are different, the sieve plates are arranged in the height direction, and each sieve plate is provided with a plurality of sieve regions in the length direction of the sieve plate; the collecting hoppers are fixedly arranged on the rack, the number of the collecting hoppers is multiple, and a conveying belt is arranged below each collecting hopper; the vibration devices are arranged below the sieve plate and are arranged in the length direction of the sieve plate; and the self-switching mechanism is arranged between the rack and the vibration device and used for separating or connecting the sieve plate and the vibration device, driving the sieve plate to transversely move and locking the position of the sieve plate. The rice sieve device has the advantages that the space requirement for purchasing multiple rice sieve devices is lowered, the occupied area is reduced, the space utilization rate is increased, and meanwhile the effect of automatically and rapidly switching the sieve plates is achieved.

The utility model discloses a floating type's sponge city rainwater and sewage diversion structure relates to drainage equipment technical field, aims at solving the problem that current rainwater and sewage diversion pipe cannot realize the fine treatment of initial rainwater and the effective balance between the rapid drainage of storm period flood. Its technical scheme main points are: including pipeline body, the pipeline body is fixedly connected with the connecting pipe that has the cavity inside and is opened. The utility model discloses the setting of filter screen and filter core on the moving ring can carry out fine filtration when rainfall is less, and is drained to the pipeline body through the conventional drainage hole, improves the water quality of rainwater resources, when rainfall is larger, through overflow drainage hole, the overflowed rainwater is drained to the pipeline body, realizes the effect that the drainage efficiency of rainwater and sewage diversion pipe is adjusted independently according to the size of rainfall, guarantees the effective balance between the fine treatment of initial rainwater and the rapid drainage of storm period flood.

The invention discloses an intelligent nutrient content extraction device and an extraction method thereof. Belongs to the field of food science and nutriology. The device comprises a pupa removing machine, intelligent algorithm regulation and control equipment, a pulverizer, a dryer, an ultrasonic extractor, membrane separation equipment, a soft capsule machine and detection equipment, according to the extraction method, tussah is selected to prepare medicines according to daily nutritional requirements of old people; the method comprises the following steps: collecting high-quality tussah, separating, cleaning, drying, crushing, and efficiently extracting effective components by utilizing ultrasonic waves; and separating and purifying the extracting solution through a membrane to obtain a high-purity medicinal component, and processing the high-purity medicinal component into a gelatin capsule. Process parameters are strictly controlled in the whole process; performing quality detection and safety evaluation; the tussah is rich in required energy, protein, mineral substances and vitamins, and the finished product of the tussah not only meets nutritional requirements, but also has various health-care effects. The method has the characteristics of integrated equipment and system optimization, efficient extraction technology, high-purity purification process and customized nutrition.

The invention provides a multi-scale saliency hybrid enhanced vehicle detection method and system, which is used for improving an existing DETR (DEection TRannform) target detection framework, comprises a saliency feature screening mechanism and a multi-scale hybrid suggestion module, and aims to construct an efficient vehicle detection model. Compared with a traditional road measurement algorithm, the module has the advantages that the detection precision is remarkably improved under complex scenes (such as smear and dense vehicle conditions), and features are effectively purified. The key innovation of the method is that a multi-scale mixed suggestion module of images with different resolutions is combined, the problem of feature attenuation of advanced prior information in a traditional method is solved, and the feature extraction precision is improved by fully utilizing the interlayer relationship. According to the method, the semantic information of the low-resolution image and the detail information of the high-resolution image are fused, the model parameter quantity is reduced, the computing resource demand is reduced, and the overall detection precision is improved.

The invention discloses a double-conveying refrigerant direct cooling plate with a diffusion wall surface and a preparation method thereof, the direct cooling plate comprises an upper base plate and a lower base plate which are made of aluminum alloy, the upper base plate and / or the lower base plate are / is internally provided with a linear groove, and the upper base plate and the lower base plate are matched to seal the linear groove to form a plurality of linear runners; the inner wall surface of the linear flow channel is provided with a micro groove which is arranged along the linear flow channel in the same direction, the depth of the micro groove is controlled to be 0.5-2mm, the inner wall surface of the linear flow channel is provided with a spiral capillary conveying groove, the depth of the capillary conveying groove is controlled to be 0.01-0.2 mm, and the width of the capillary conveying groove is controlled to be 0.1-0.2 mm. According to the direct cooling plate, the complicated capillary micro-grooves are etched in the high aluminum alloy plate, so that the fine treatment of the inner wall of the runner is realized. The etching surface not only can increase the contact area between the refrigerant and the wall surface of the flow channel, but also can improve the transmission efficiency of the refrigerant through the capillary action, so that the overall heat exchange effect is effectively improved.

The invention discloses a noise correlation cross-modal matching loss adjustment method and device based on meta-learning. The method comprises the following steps: constructing a pairing sample set containing a multi-modal data pair; quantifying semantic correlation of each multi-modal data pair in the pairing sample set by using a cross-modal model, and selecting an initial loss function; constructing a loss adjustment network, and balancing the noise sensitive loss function and the noise insensitive loss function to obtain an adaptive loss function; optimizing the loss adjustment network by using a meta-learning algorithm; updating model parameters of the cross-modal model on the target noise data set by using the optimized loss adjustment network; and inputting the query target and each object in the matching database into the updated cross-modal model to obtain the similarity of the query object relative to each object in the matching database. The problem that the robustness and the matching accuracy of the cross-modal model are difficult to consider at the same time in the prior art is solved, and powerful support is provided for landing of the cross-modal model in an actual scene.

The present invention provides an anomaly detection method and device for planar geographic entities. The method comprises: constructing and training a fused semantic segmentation model including at least two fused semantic segmentation models set in parallel and using an additive fusion method to fuse the prediction results of each fused semantic segmentation model as a classification prediction result; constructing and training a fused change detection model including at least two change detection models set in parallel and using an additive fusion method to fuse the prediction results of each change detection model as a change prediction result; acquiring image data of a to-be-detected area and planar geographic entity data to be detected, obtaining a to-be-detected data set and a land class label set; inputting the to-be-detected data set into the fused semantic segmentation model and the fused change detection model, obtaining a classification prediction result and a change prediction result; using the classification prediction result to assign category attributes to the change prediction result, obtaining a fused prediction result; and comparing the fused prediction result with the elements with the same name in the land class label set.

The present invention relates to the field of site selection optimization technology, and in particular to a site selection optimization method, system, device and medium for tourist attractions, including: obtaining candidate site selection information of rural tourist attractions, and using a geographic information system to perform spatial analysis on the candidate site selection information to obtain the geographical environment characteristics of the candidate points; constructing a Thiessen polygon optimization grid according to the geographical environment characteristics of the candidate points, and using a quadtree to divide the Thiessen polygon optimization grid to obtain site selection sub-areas; expressing the geographical environment characteristics of the candidate points in each site selection sub-area as a spatial entity to construct a graph structure; using a graph attention neural network algorithm to learn the graph structure to predict the optimal spatial coordinates of the site selection of the tourist attraction. The present invention realizes a method for optimizing the site selection of the tourist attraction by combining the characteristics of the quadtree and the graph structure, and can more accurately analyze the spatial connections such as cultural resources between the site selection of the tourist attraction, and provide more accurate and effective support for the planning and management of tourist attractions.

The utility model discloses a device for cutting daily glass through laser. The device comprises a laser assembly, a clamping jaw assembly and a product supporting assembly. The product supporting assembly is used for supporting daily glass, the clamping jaw assembly is located over the product supporting assembly and clamps the daily glass on the product supporting assembly, the laser assembly is located on one side of the clamping jaw assembly, the laser assembly points to the daily glass, and the daily glass is cut through laser. According to the utility model, on the technical principle level, the advanced laser technology and the high-precision control system are fused, the limitation of the traditional cracking method is broken through, and the fine processing of the cracking of the glassware is realized by accurately regulating and controlling the laser energy and the pulse parameters.

The invention relates to the technical field of tantalum carbide grinding, in particular to a grinding device and method for tantalum carbide machining. The grinding device comprises a grinding machining frame, and a first tantalum carbide feeding structure and a second tantalum carbide feeding structure which are used for conveying and slitting tantalum carbide are installed on the grinding machining frame; a tantalum carbide washing structure which is connected with the second discharging end of the tantalum carbide feeding structure and used for cleaning and drying conveyed and cut tantalum carbide is further assembled on the grinding machining frame. According to the tantalum carbide recycling device, ground tantalum carbide is screened through the air blower and the exhaust fan, the tantalum carbide meeting the standard is separated and collected through the screening net, the tantalum carbide which is not screened enters the circulating system to be smashed and ground again, cyclic utilization of the tantalum carbide which is not screened is achieved through the circulating hopper and the circulating barrel, and the tantalum carbide is recycled. The use efficiency of materials is improved, the automation degree, the production efficiency and the product quality of tantalum carbide processing are improved, and meanwhile the production cost and the environmental influence are reduced.

This application relates to a rice sieve device for processing high-nutrition grains, belonging to the field of grain screening technology. The rice sieve device includes a frame, on which a feeding hopper and an elevator are mounted; multiple sieve plates are mounted on the frame, with different aperture specifications and arranged along the height direction, and each sieve plate has multiple screening sections along its length direction; multiple collection hoppers are fixed to the frame, and each collection hopper has a conveyor belt below it; multiple vibrating devices are mounted below the sieve plates along the length direction of the sieve plates; and a self-switching mechanism is located between the frame and the vibrating devices, used to separate or connect the sieve plates and the vibrating devices, as well as to drive the sieve plates to move laterally and lock their position. This application reduces the space requirement of purchasing multiple rice sieve devices, reduces the floor space occupied, improves space utilization, and simultaneously achieves the effect of automatic and rapid switching of sieve plates.

The utility model discloses a steamer with a shaping structure for steamed stuffed bun processing, which belongs to the technical field of steamed stuffed bun processing and comprises a first steamer drawer and a second steamer drawer, the first steamer drawer is positioned under the second steamer drawer, and a plurality of stainless steel shells are fixedly mounted at the bottom of the second steamer drawer. Steamed stuffed buns are aligned with the positioning sleeves one by one, then the second food steamer is placed on the top of the first food steamer, the tops of the steamed stuffed buns are extruded through the telescopic rods, the telescopic springs and the shaping plates in the second food steamer, the tops of the steamed stuffed buns are shaped through pattern grooves in the bottoms of the shaping plates, and the sizes of the steamed stuffed buns are limited through the positioning sleeves and the inserting sleeves. The shaping plate can be extruded at the top of the steamed stuffed bun through the self weight of the second food steamer, so that the grains and the body shape of the steamed stuffed bun are shaped, the quick shaping of the steamed stuffed bun is realized, the time and energy of manual shaping are saved, and the practicability is high.

This application provides a method and system for high-precision positioning and correction of unmanned aerial vehicles (UAVs) based on BeiDou tri-frequency signals. The method first receives a tri-frequency signal group transmitted by the BeiDou satellite navigation system. Then, utilizing the dispersion characteristics of the tri-frequency signal group propagating in the ionosphere, a real-time correction value for ionospheric delay error is generated. Next, multipath effect characteristic data caused by terrain undulations during agricultural surveying operations is acquired. Then, the multipath effect characteristic data is coupled with the real-time correction value to construct a dynamic error suppression model. Finally, the dynamic error suppression model is used to correct the original positioning trajectory of the UAV point by point to output a high-precision positioning result. The technical solution provided by this application not only effectively solves the combined interference problem of ionospheric delay and multipath effect, but also achieves high-precision positioning of UAVs in complex agricultural terrain environments, significantly improving the accuracy and environmental adaptability of the positioning results.

The invention provides an efficient data statistical processing method, and belongs to the technical field of soil environment monitoring data processing. The method comprises the following steps: cleaning detected soil pollutant concentration original data, and calculating a multi-dimensional quantitative index of an abnormal value; an improved analytic hierarchy process (AHP) is adopted to determine the weight of the multi-dimensional quantitative index; based on the multi-dimensional quantitative indexes and the corresponding weights, a comprehensive scoring formula is constructed, an abnormal value comprehensive score is calculated through the comprehensive scoring formula, and the comprehensive scoring formula comprises a concentration non-negativity punishment mechanism; classifying abnormal value grades according to the comprehensive score; executing corresponding processing strategies for different abnormal value levels; and outputting a traceable report containing abnormal value basic information, an index calculation process, an abnormal level judgment result and a processing record. According to the method, the problems that an existing method is single in abnormal value processing mode, poor in weight adaptability and free of a quantitative grading system are solved, and the accuracy of abnormal value grading and the refinement degree of data processing are improved.

The invention discloses a thin-wall part machining method and device, electronic equipment and a storage medium, and relates to the technical field of part machining.The method comprises the steps that rough machining and rough milling treatment is conducted on a target thin-wall part, and a part semi-finished product is obtained; acquiring image information of the semi-finished part; determining current size information of the semi-finished part based on the image information; obtaining target size information of the target thin-wall part; determining finish machining data information of the semi-finished part based on the current size information and the target size information; and on the basis of the finish machining data information, finish milling is conducted on the semi-finished part product, and the finished part product is obtained.The technical problem that in the prior art, the thin-wall part machining precision is low is solved.

This application provides an OTFS signal detection method, apparatus, and readable storage medium. The method includes: performing constellation modulation based on task data and mapping it to the time-delay-Doppler domain; constructing a time-frequency bidispersive channel model to obtain the received signal at the receiver; performing an orthogonal time-delay-Doppler modulation OTFS inverse transform on the received signal to obtain the received signal in the time-delay-Doppler domain; estimating a portion of the transmitted signal using interference-free region information symbols in the received signal in the time-delay-Doppler domain; calculating interference symbols of non-direct paths and eliminating interference at the corresponding positions of the received signal in the time-delay-Doppler domain; and iterative updating of the interference-free region and convergence of the full-domain detection. This application can significantly suppress symbol interference caused by out-of-bounds cyclic shifts, achieve refined processing of complex scattering paths, and reliably recover symbols of direct paths.

The invention discloses a high-precision wheel hub hole finishing boring machine, comprising: a bed, a hydraulic automatic centering fixture, a CNC vertical slide, a spindle box, a CNC flat disc, a tool, and a hydraulic system; wherein the bed is the main structure of the high-precision wheel hub hole finishing boring machine; the hydraulic automatic centering fixture is used to place the workpiece to be processed and is installed on the bed; the CNC vertical slide is used to control the CNC flat disc to operate and is installed on the bed; the spindle box is used to control the operating speed of the CNC flat disc and is installed on the CNC vertical slide; the CNC flat disc is used to control the tool to process the workpiece to be processed and is installed on the spindle box; the tool is used to process the workpiece to be processed and is installed on the CNC flat disc; the hydraulic system is connected to the hydraulic automatic centering fixture and is used to provide power to the hydraulic automatic centering fixture. The wheel hub hole finishing boring machine adopts CNC vertical boring processing, which ensures product quality and greatly improves production efficiency.

The application discloses a method for fine modification of the interior of a crystal based on double-beam laser focus interference, and belongs to the field of laser precision machining. The method is realized by adjusting the divergence angle of double beams by using a laser shaping device to realize the overlap of focus A and focus B. The double foci overlap and interfere, and the interference phenomenon of the energy intensity alternately changing occurs in the focus overlap area; under the interference, laser energy is concentrated to the interference enhancement position, and the energy peak value can exceed the modification threshold of the material interior, and modification occurs; the size of the double-focus overlap area is compressed relative to the conventional single-focus area, and the modification by interference only occupies a part of the overlap area, and the size of the modification area is further compressed. Compared with the conventional single-focus modification area, the longitudinal size of the modification by the method can be compressed by at least 50%, and the precision of the micro-nano structure in the processed crystal is higher. According to the characteristics of the crystal material, laser parameters are selected, and scanning is carried out according to a preset track, modification points form a modification line, and then high-precision machining of a complex micro-nano structure in the crystal can be realized.

The present invention provides a system and a process method for the segmented recovery of marine natural gas hydrate horizontal wells. The segmented recovery subsystem realizes sequential recovery of the corresponding stages in spatial positions from the toe end to the root end of the horizontal section in accordance with the recovery sequence through a mobile recovery system. The foam lifting subsystem injects high-pressure gas and foaming agent into the production wellbore to realize the transformation of the flow system in the production wellbore into a foam flow system. The platform processing subsystem processes the output of the production wellbore to realize the separation of gas, liquid and solid. According to the stage division of the horizontal section of the marine natural gas hydrate horizontal well, the production capacity of the production stage, risk monitoring and analysis, sand cleaning of the production system and return to the adjacent upstream stage of production, and the complete recovery and evaluation optimization of the production system, the process method realizes the fine processing of the heterogeneity of the hydrate reservoir in space, and the coordinated processing of the production capacity and risk in time, thereby significantly reducing costs and increasing efficiency.

The invention relates to the field of trademark layout, in particular to a trademark layout and monitoring method based on big data, and the method comprises the steps: obtaining the graphic information and geometric elements of a to-be-laid trademark; judging a graph sub-domain division mode of the trademark to be arranged; performing same sub-domain division on the trademark graph in the trademark retrieval database; judging similar trademark graphs; verifying whether the similar trademark graph meets a preset standard or not based on the similar difference value; if not, correcting the sub-domain area of the graph of the to-be-arranged trademark or directly removing similar trademark graphs according to the complexity of geometric elements in the sub-domain of the graph of the to-be-arranged trademark; and the monitoring period duration is adjusted according to the number of the similar trademarks in the preset monitoring period, so that the accuracy of trademark graph comparison is improved.

The invention provides a method and device for rapidly machining a coating-free non-stick pan through electromagnetic induction heating assisted laser. The method comprises the steps that pretreatment is conducted, specifically, the pan bottom of a to-be-machined metal pan is washed and dried; parameter setting: selecting a metal coil with a proper size, and setting proper power supply parameters on the electromagnetic induction heating equipment; high-temperature preheating: turning on a thermodetector and a power switch of electromagnetic induction heating equipment, and rapidly heating the bottom of the metal pot by utilizing an electromagnetic induction principle; laser patterning processing: processing the pot bottom of the metal pot by a laser beam according to a designed patterning track to obtain a patterned microstructure; and carrying out characterization test, and carrying out hydrophobicity characterization. By means of the electromagnetic induction principle, the bottom of the metal pot can be rapidly heated to the proper temperature in a non-contact mode by adjusting electromagnetic induction heating equipment, the microstructure with the super-hydrophobic effect is machined in the machining area on the surface of the bottom of the metal pot in a patterning mode, and the physical non-stick pot without a chemical coating can be rapidly prepared.

The utility model relates to the field of six-face drills, and discloses a double-station six-face drill which comprises a base, a conveying belt is arranged in the center of the upper end face of the base, a first motor is arranged on the upper portion of the front end of one side of the base, a control panel is arranged in the center of one side wall of the base, and a discharging box is arranged on the front portion of one side of the base. A collecting box is arranged on the rear portion of one side of the base, a box body is arranged in the center of the end face of the upper end of the base, and a processing module is arranged in the center of the upper end face of the box body. According to the utility model, the four material suction pumps, the corresponding material suction pipes, the suction boxes and other components are arranged, so that the waste (such as wood chips) generated in the machining process is automatically cleaned, the waste can be timely and effectively cleaned from a machining area and finally collected into the waste treatment box, the working efficiency is improved, the requirement for manually cleaning the waste is reduced, and the labor intensity of workers is reduced. And the cleanness of the working environment is maintained, and the potential influence of waste on the machining precision is avoided.

The invention discloses a steel cover beam frame high support base plate and a mounting method thereof, and belongs to the technical field of bridge building construction support base plate mounting. According to the technical scheme, the device comprises a support base plate and a connector arranged at the bottom of the support base plate, a lead screw is arranged at the bottom of the connector, the bottom of the lead screw is connected with a cover beam top plate, and an upper opening nut and a lower opening nut are arranged on the cover beam top plate. The method has the beneficial effects that in a machining factory, the elevated support base plates and the steel cover beam are connected into a whole through the lead screws, the relative position of the whole support base plate group is measured, the flatness of the support base plates is machined, the precision and the connecting strength of the support base plates and the cover beam are higher than those of secondary installation of the steel reinforcement framework erected at the bridge site, and the site construction precision and quality are also guaranteed; and the overhead working amount of the bridge site is reduced.

The utility model discloses laser engraving equipment, which belongs to the technical field of laser engraving equipment and comprises an equipment main body, a focal length adjusting component and a positioning and clamping mechanism, and the equipment main body is connected with the focal length adjusting component and the positioning and clamping mechanism; the positioning and clamping mechanism comprises a clamping and fixing assembly used for clamping wheels and a position adjusting assembly used for adjusting the positions of the wheels, and the position adjusting assembly is connected with the clamping and fixing assembly and the equipment body. By means of the mode, wheel air holes can be adjusted to preset positions through the positioning and clamping mechanism and the position adjusting assembly according to the detection result of the device body, the clamping and fixing assembly can stably clamp wheels, external interference is eliminated, fine machining of specific positions of the wheels is achieved, the focal length adjusting assembly can adjust the focal length in real time, and focusing is flexible and accurate. And diversified working requirements are met.

This utility model discloses a sterilization device for shrimp ditches in rice-shrimp farming, relating to the field of shrimp ditch sterilization technology. It includes a sterilization powder storage box, a feeding hopper on one side of the top surface of the storage box, a control panel on the other side of the top surface, two symmetrically arranged push handles on the upper part of one side of the storage box, a support rod fixedly connected to the lower part of one side of the storage box, a moving component on one side of the bottom surface of the storage box, and a discharge hopper connected to the lower part of the other side of the storage box. A passive vibration component is provided on the bottom surface of the discharge hopper, and a vibrating screen component is provided inside the storage box. This utility model, through the cooperation of the vibrating screen plate and the vibrating motor, facilitates the sieving of sterilization powder, ultimately solving the problems of uneven mixing caused by the white lines distributed in existing sterilization powder, poor mixing effect of the plowing machine, and time-consuming and labor-intensive processes. It improves the effect and efficiency of shrimp ditch sterilization and ensures the stability of the shrimp ditch's ecological environment.

The invention discloses a magnetic field enhanced chemical liquid assisted laser drilling device and a drilling method. The magnetic field enhanced chemical liquid assisted laser drilling device comprises a laser emitting system, a laser galvanometer system, a magnetic field generating system, a chemical liquid assisted system, a magnetic induction intensity detection system and a computer. The computer is in communication connection with the laser emission system, the laser galvanometer system and the chemical liquid auxiliary system, and the computer controls the laser emission system, the laser galvanometer system and the chemical liquid auxiliary system; the laser emission system emits laser for punching a sample, the laser galvanometer system controls a processing path for punching the sample, the magnetic field generation system generates a magnetic field with magnetic induction intensity required for punching the sample, the chemical liquid auxiliary system contains the sample and chemical liquid, and the magnetic induction intensity detection system detects the magnetic induction intensity of the magnetic field generation system. Under the same laser energy, smaller hole wall inclination, better outlet roundness and smoother side walls are achieved, cracks of the hole walls are reduced, and the punching quality and efficiency are remarkably improved.