353results about How to "Quick collection" patented technology

The invention discloses a knowledge graph-based nursing corpus automatic creation method, and relates to the field of artificial intelligence technology and medical information processing, and the method comprises a multi-dimensional data acquisition stage, a knowledge graph construction stage, a corpus automatic generation and updating stage, and a corpus quality control and evaluation stage. According to the automatic corpus generation method driven by the knowledge graph, dynamic generation and real-time updating of corpora are achieved by constructing an ontology structure, a corpus generation template and an updating algorithm in the nursing field; through a deep learning model and a transfer learning technology, new nursing knowledge and a diversified information structure are continuously introduced into the corpus, and the diversity of corpus content is increased.

The invention provides an Al-Mg alloy negative electrode current collector, a preparation method thereof and a negative-electrode-free sodium metal battery, and relates to the field of batteries. The preparation method of the Al-Mg alloy negative electrode current collector comprises the following steps: sputtering magnesium on the surface of an aluminum foil by adopting a magnetron sputtering mode, and forming a magnesium coating on the aluminum foil; and calcining the aluminum foil with the magnesium plating layer to obtain the Al-Mg alloy negative electrode current collector, and the Al-Mg alloy negative electrode current collector comprises an aluminum substrate layer and an Al-Mg alloy layer located on the aluminum substrate layer. According to the present invention, the Al-Mg alloy with characteristics of high sodium affinity and stable three-dimensional structure is introduced into the negative electrode current collector so as to induce the uniform deposition of sodium, inhibit the growth of sodium dendrites, reduce the loss of active sodium, and prolong the cycle life of the battery; the negative electrode current collector can be used in a sodium metal battery without a negative electrode. In addition, the method has the advantages of being easy to operate and low in raw material cost, and large-scale application and popularization are facilitated.

The invention relates to the technical field of printing and dyeing wastewater treatment equipment, and discloses an improved textile printing and dyeing wastewater treatment device and a use method thereof.The improved textile printing and dyeing wastewater treatment device comprises an equipment shell, and a plurality of supporting legs are fixedly connected to the bottom of the equipment shell. According to the textile wastewater treatment device, a second gear rotates to drive a plurality of second auxiliary rotating shafts on a conveying rotating shaft to rotate, the second auxiliary rotating shafts rotate to drive a transmission filter screen to rotate, and meanwhile, a stirring rod rotates to drive wastewater in an inner cylinder to rotate along the inner wall of the inner cylinder; flocculation groups in the wastewater are attached to the surface of the transmission filter screen, and at the moment, the transmission filter screen rotates to convey the flocculation groups in the inner cylinder into the flocculation cavity, so that on one hand, a large number of flocculation groups in the inner cylinder can be reduced in time, and on the other hand, the flocculation groups which are flocculated into clusters can be transferred into the flocculation cavity; therefore, the situation that the stirring force of the stirring rod is too strong, flocculation groups are broken, and impurity separation is not facilitated is prevented.

The utility model discloses an inductor testing device, which belongs to the technical field of inductor detection and is structurally characterized in that a detection table is fixed at the top of a base, a top plate is fixed at the top of the detection table, a testing head capable of freely lifting is in sliding fit with the bottom of the top plate, two pin cylinders are arranged at the bottom of the testing head, and a material receiving box is in sliding fit with the upper surface of the base; transmission boxes are arranged at the two ends of the detection table, positioning assemblies are arranged on the two sides of the detection table in a sliding fit mode, and the two positioning assemblies are symmetrically arranged. The inductor testing device provided by the embodiment of the utility model can realize continuous and stable testing of a plurality of inductors, can quickly remove the detected inductors, and improves the detection efficiency of the inductors.

The utility model relates to the technical field of robots, in particular to a cleaning and recycling device for a wall-climbing robot, which comprises a robot body provided with a traveling mechanism and a rear steering wheel. The flexible recycling mechanism is arranged on the robot body, and the opening direction of the flexible recycling mechanism is consistent with the water flow direction; the number of the self-adaptive adjusting mechanisms is at least one, and the self-adaptive adjusting mechanisms are connected with the flexible recycling mechanism; and the cleaning mechanism is connected with the self-adaptive adjusting mechanism, the self-adaptive adjusting mechanism drives the cleaning mechanism to move, and the cleaning mechanism comprises at least one main cleaning assembly, a plurality of branch cleaning assemblies, a high-pressure water pipe and a cleaning liquid pipe. Due to the fact that the cleaning assembly comprises the main cleaning assembly and the multiple branch cleaning assemblies, and the multiple branch cleaning assemblies are movably connected with the main cleaning assembly, the wall-climbing robot cleaning and recycling device can adapt to a variable-curvature operation surface, the cleaning area is increased, meanwhile, the total number of the assemblies is reduced, and therefore the cleaning efficiency of the wall-climbing robot cleaning and recycling device is improved; and the cost of the cleaning device is also reduced.

The invention belongs to the technical field of steel plate cutting, and discloses an urban infrastructure steel plate quantitative cutting device which comprises a bottom plate, supporting columns are fixedly connected to the four corners of the top of the bottom plate correspondingly, a sliding groove is formed in the top of the bottom plate, a workbench is fixedly connected to the tops of the supporting columns, and a steel plate is fixedly placed on the workbench; a cutting groove is formed in the workbench, a cutting knife is arranged at the bottom of the cutting groove, a mounting block is fixedly connected to the side face of the supporting block, a protection mechanism used for preventing cutting scraps from splashing is arranged on the mounting block, and through cooperation of a protection cover, a driving assembly and other structures, the cutting scrap scraps can be prevented from splashing conveniently; and meanwhile, cutting sparks are prevented from being directly exposed, eyes of workers are prevented from being damaged, and the problem that when an existing cutting device conducts cutting through a cutting knife, a large number of sparks and chippings are likely to be generated, and then certain potential safety hazards exist is solved.

The invention discloses a wide-band-gap perovskite solar cell and a preparation method thereof, and belongs to the technical field of new energy, the method comprises the following steps: 1) spin-coating a NiOx solution on a pretreated substrate, and drying to obtain a NiOx hole transport layer; 2) mixing FAI, CsI, PbBr2 and PbI2, dissolving the mixture in a mixed solution of DMF and DMSO, and then adding 4, 5-dicyanoimidazole to obtain a perovskite precursor solution; the NiOx hole transport layer obtained in the step 1) is coated with a perovskite precursor solution through a two-step spin-coating method, and a perovskite layer is obtained after annealing treatment; and 3) successively preparing an electron transport layer and an electrode layer to obtain the wide-band-gap perovskite solar cell. By providing a 4, 5-dicyanoimidazole additive strategy, the strong coordination effect between 4, 5-dicyanoimidazole and iodide ions effectively inhibits the precipitation of iodine, thereby significantly improving the stability of the wide-band-gap solar cell.

The invention relates to the technical field of unmanned aerial vehicle laser point cloud, and discloses a digital elevation model construction method based on an unmanned aerial vehicle laser radar, and the method comprises the steps: carrying out the field flight of a target region based on an unmanned aerial vehicle carrying a laser radar load, and obtaining the point cloud data of the laser radar; and based on the laser radar point cloud data, carrying out point cloud data calculation to generate a digital elevation model. The technical means that the unmanned aerial vehicle carries a laser radar load is adopted, field flight is carried out on an east area salt pan sedimentation basin area to obtain laser radar point cloud data, the instrument integrates a high-precision laser scanner and an inertial navigation system, the overall structure is small, the weight is light, and the instrument is suitable for data collection on an unmanned aerial vehicle platform; high-precision three-dimensional data of the earth surface can be rapidly collected in real time, and point cloud data calculation is carried out through digital green soil LiDAR360 software to generate a digital elevation model.

The invention discloses a security protection method for cascade mutual trust of industrial Ethernet switches. A communication path is ensured to be clear and controllable through physical connection and logic networking configuration; a unique identity label is provided for the switch by using the information label of the main device, and illegal access is prevented; a management port is monitored in real time through an equipment load security mirror image, and illegal equipment is found and processed in time; constructing a logic security chain model, and realizing a unified mutual trust mechanism of network equipment; and distributed decentralized storage is carried out by adopting a block chain technology, so that the data is ensured to be safe and cannot be tampered. The system comprises a device connection configuration module, a main device information label generation module, a trusted edge device access management module, a device load security mirror image management module, a device security portrait and logic security chain construction module, a data storage and security module and the like, provides comprehensive security protection for industrial Ethernet switch cascading, and ensures network stability and security.

The invention relates to the technical field of mineral analysis, and discloses a mineral trace element detection method which comprises the following steps: S1, sample preparation; s2, spectrum acquisition; s3, processing spectral data; s4, selecting a characteristic wavelength; s5, constructing a spectral analysis model; s6, model training and verification; s7, trace element content prediction; and S8, outputting a result. According to the mineral trace element detection method, a large amount of spectral data can be rapidly collected by adopting the high-resolution spectrometer and the Fourier transform infrared spectrum technology, background noise is removed and the data quality is improved through the preprocessing step, the detection speed is increased, and the detection accuracy is improved. The method also improves the accuracy of a detection result through precise characteristic wavelength selection and optimization of a support vector machine algorithm, and particularly guarantees the generalization capability and prediction precision of the model through five-fold cross validation and grid search optimization of model parameters, thereby improving the detection efficiency while guaranteeing the accuracy and reliability of the detection method.

The invention relates to the technical field of cultivation devices, in particular to a fruit and vegetable cultivation device which comprises a box body, mounting vertical plates are symmetrically arranged on the box body, a rotary cultivation mechanism for cultivating fruits and vegetables in batches is arranged on the mounting vertical plates, and a plant protection mechanism for preventing a nutrient solution from dripping onto the surfaces of the fruits and vegetables to cause damage is arranged in the rotary cultivation mechanism. A liquid supply mechanism for providing a nutrient solution for the roots of the fruits and vegetables is arranged in the box body, a light source supply mechanism is arranged above the box body, the rotary cultivation mechanism comprises a rotary support movably mounted on a mounting vertical plate, and a driving motor is fixedly mounted on the side, away from the rotary support, of the mounting vertical plate. By arranging the plant protection mechanism, a nutrient solution remaining on the upper open box body in the rotary cultivation process can be prevented from dripping onto the lower open box body through mutual cooperation between a solution receiving cylinder and a bearing assembly, and the phenomenon that the nutrient solution drips onto a fruit and vegetable body to generate adverse effects on the fruit and vegetable cultivation process can be effectively avoided.

The utility model provides a sock shaping and flattening device, which relates to the field of sock production and comprises a base, the top of the base is fixedly connected with a heating plate, a flattening plate is arranged above the heating plate, a top plate is arranged above the flattening plate, a supporting column is fixedly connected between a bottom plate and the base, and the supporting column is fixedly connected with the heating plate. A hydraulic rod is fixedly connected to the top plate, the output end of the hydraulic rod is fixedly connected with the flattening plate, an inclined plate is arranged on one side of the heating plate, and a collecting box is arranged below the end, away from the heating plate, of the inclined plate. According to the sock shaping and flattening device, through the arrangement of the sock pushing mechanism, after sock shaping and flattening are completed, a driving motor is started, the driving motor drives a screw to rotate, the screw rotates to enable a pushing plate to move forwards to push socks on a heating plate onto an inclined plate, the socks on the inclined plate fall into a collecting box under the action of gravity, then the driving motor rotates reversely, and the socks on the inclined plate fall into the collecting box; and therefore, rapid collection can be conveniently carried out, and the efficiency is greatly improved.

The invention discloses a garbage disposal truck for kitchen garbage, and relates to the technical field of garbage disposal trucks. A hopper mechanism is arranged at one end of the garbage truck carriage, the hopper mechanism comprises a hopper body, and a draining plate is fixedly connected to the middle of the lower end of the hopper body; wherein a compacting mechanism is arranged in the middle of the hopper mechanism, the compacting mechanism comprises a lifting plate, the lower end of the lifting plate is rotationally connected with a rotating scraper, and the upper end of one side of the rotating scraper is rotationally connected with a filter pressing plate; wherein one side of the lifting plate is rotatably connected with a material pushing plate, the lower end of one side of the material pushing plate is fixedly connected with a guide plate, the bottom of the guide plate is slidably connected with a compaction plate, and the scraping plate is rotated to drive the filter pressing plate to rotate towards the compaction plate, so that the kitchen waste is compressed and compacted, and the occupied space of the kitchen waste is reduced; meanwhile, sewage in the kitchen waste is separated, and the situation that the sewage drips in the transportation process is reduced.

The utility model belongs to the technical field of injection molding, and particularly relates to a plastic particle injection molding device which comprises a base, fixing plates are fixedly mounted on the two sides of the upper portion of the base correspondingly, a sliding groove is formed in one side of the upper end of each fixing plate, a sliding base is arranged between the fixing plates, the two side edges of the sliding base are slidably mounted in the sliding grooves correspondingly, an injection molding machine body is fixedly mounted on the upper portion of the sliding base, and an injection mold is arranged at the discharging end of the injection molding machine body and fixedly mounted on the base. A discharging port of the injection molding machine body slides in a feeding hole of the injection mold, a support is arranged between the fixing plate and the injection mold and fixedly installed on the base, sliding tables are arranged in the two sides of the support, sliding holes are formed in the two sides of each sliding table, the sliding tables are installed in the support in a sliding mode, and a collecting tank is fixedly installed between the sliding tables. And a drawer is arranged at the bottom of the collecting tank, so that waste can be quickly cleaned, meanwhile, workers are prevented from entering the injection molding machine, and the safety of operators is guaranteed.

The invention discloses a solid waste treatment device and process, and relates to the technical field of recovery treatment equipment, the solid waste treatment device comprises a crushing treatment mechanism, the crushing treatment mechanism comprises a base, a case is arranged above the base, and a pair of crushing rollers are symmetrically arranged in the case. By arranging the grading treatment mechanism, splashing of waste materials is blocked, meanwhile, dust is shielded, rapid discharging of the waste materials is facilitated, harm to operators is avoided, dust is collected, and pollution to the surrounding environment and damage to the bodies of the operators caused by dust are further avoided; according to the 3D printing waste treatment device, the 3D printing waste is treated, the treated 3D printing waste is subjected to graded recovery, the recovered 3D printing waste is further conveniently treated, the later grading work is avoided, and meanwhile, the situation that a grinding roller cracks and is damaged due to overheating fatigue during long-time operation is avoided.

The utility model relates to the technical field of OP liquid collecting devices, and discloses a cattle and sheep OP liquid collecting device which comprises an injector, a connecting piece detachably installed on a needle cylinder, a flexible pipe detachably installed on the connecting piece and an OP liquid collecting part detachably installed on the flexible pipe. The OP liquid collecting part can extend into the pharynx or throat of cattle and sheep through the flexible pipe; the OP liquid collecting part comprises an OP liquid collecting head, and the OP liquid collecting part can suck mucus at the pharynx or the throat of cattle and sheep through the collecting cavity; the OP liquid collecting part further comprises a flexible sampling part, the flexible sampling part is arranged on the OP liquid collecting head, and when the OP liquid collecting part extends into the pharynx or throat of cattle and sheep, the OP liquid collecting part can also adhere to mucus through the flexible sampling part. According to the mucus collecting device, in the mucus collecting process of the OP liquid collecting component, the pharynx or the throat or the tongue root of cattle and sheep cannot be damaged, and the collecting process is convenient and rapid.

The invention relates to the field of electronic engineering, and discloses an RGB atmosphere lamp finished product calibration method, which comprises the following steps: constructing an AOI defect detection algorithm of an LED chip corresponding to a finished product RGB atmosphere lamp, identifying chip defects of the LED chip by using the AOI defect detection algorithm, and carrying out first calibration on the LED chip corresponding to the finished product RGB atmosphere lamp to obtain a first calibrated finished product RGB atmosphere lamp; configuring a sensing cooperation module of the first calibration finished product RGB atmosphere lamp, preprocessing output data by using the trained optical model to obtain model processing data, and calculating a deviation coefficient of the first calibration finished product RGB atmosphere lamp; and constructing an intelligent calibration algorithm of the first calibration finished product RGB atmosphere lamp, analyzing a deviation compensation parameter of the first calibration finished product RGB atmosphere lamp by using the intelligent calibration algorithm, and executing second calibration of the first calibration finished product RGB atmosphere lamp in combination with the deviation compensation parameter to obtain a target finished product RGB atmosphere lamp. According to the invention, the generation quality of the finished RGB atmosphere lamp can be improved.

The invention discloses an injection molding raw material warehousing registration management system based on Internet of Things, which belongs to the technical field of warehousing registration management systems and comprises a raw material information acquisition module, a warehousing registration terminal, a data transmission and storage system, an inventory management module, a raw material tracing module, a report and statistical analysis module and a user management module. According to the injection molding raw material warehousing registration management system, by introducing the Internet of Things module, real-time monitoring and data collection of raw materials from warehousing to inventory management are achieved, and the data accuracy and timeliness are improved. The new warehousing registration terminal simplifies the process and ensures data integrity and consistency. The new inventory management module adopts a series of innovative technologies, a prediction model accurately predicts demands, a visualization function helps a manager to discover problems in time, a scheduling system optimizes configuration, a sharing cooperation mechanism promotes information sharing and cooperation, the response capability and flexibility of a supply chain are enhanced, and powerful support is provided for enterprise purchase and production.

The utility model relates to the technical field of compression resistance experiments, in particular to a highway engineering compression resistance experiment device, which is characterized in that through the installation of a protective cylinder, chippings generated by compression resistance can be effectively separated, the chippings generated by compression resistance can be conveniently and quickly collected through the interior of a supporting bin, the subsequent cleaning efficiency of workers is improved, and the working efficiency of the workers is improved. The practicability is improved; two supporting plates are symmetrically and fixedly installed at the top end of the supporting bin, a top plate is fixedly installed at the top ends of the two supporting plates, a hydraulic machine is fixedly installed in the middle area of the top plate, a pressing plate is attached to the top end of the supporting bin, and a through hole is formed in the middle area of the supporting bin and located in the bottom area of the pressing plate. A rolling ball is fixedly installed at the bottom end of the connecting column, a support is attached to the outer side wall of the rolling ball in a rolling mode, and the top end of the supporting bin and the top plate are fixedly connected through a protection cylinder.

The application provides a forming mold for glass-ceramic products, and relates to the technical field of glass-ceramic product molds, and comprises a support frame and a rotating disc, a mounting plate is fixedly installed at the top of the support frame, a raw material storage tank is fixedly installed at the top of the mounting plate, and a glass-ceramic product mold injection forming assembly is arranged on the mounting plate, the rotating disc and the raw material storage tank; the glass-ceramic product mold injection forming assembly is arranged, the clamping plate for limiting the guide rod clamps and fixes the forming lower mold, the control motor drives the driving shaft and the rotating disc to rotate, the rotating disc can drive the mounting frame and the forming lower mold to move to below the sliding forming plate, the forming lower mold and the sliding forming plate can be attached, the pump machine is controlled to transmit the raw materials in the raw material storage tank into the inside of the forming lower mold through the raw material extraction pipeline, the condenser is controlled to cool and condense the condensate water in the condensate water flowing coil pipe, and the raw materials can be rapidly cooled and formed.

The utility model relates to a stock layout device of an impact testing machine, which comprises a protective frame, a protective cover is fixedly connected outside the protective frame, an upper bottom plate is arranged at the bottom of the protective cover, a push cylinder is arranged on the upper bottom plate, a fixed tooling block is arranged on one side of the push cylinder, and a fixed tooling block is arranged on the other side of the push cylinder. One side of the fixed tool block is in transmission connection with a propelling screw rod, and one side of the propelling screw rod is fixedly connected with a tool plate; through connection with a belt of a belt disc transmission shaft and guidance of a first bevel gear and a second bevel gear, a propelling screw rod is driven to move forwards until an object to be tested is clamped and the other end of the object to be tested is clamped on a guide column, at the moment, a swinging hammer is started to carry out an impact test on a product, and after the impact test is completed, the propelling screw rod is driven to move forwards. When a product is clamped, the transmission disc moves reversely, the clamped product is loosened, the pushing air cylinder is started, the tested product is pushed out rapidly, the effect of rapidly collecting the tested sample is achieved, and the testing efficiency is improved.

The utility model provides a kind of processing workshop's monitoring device, it is related to workshop monitoring technical field, including base;The top middle position of base is fixedly connected with the bottom middle position of lifting stand, and the top middle position of lifting stand is fixedly installed with motor, and the rotating shaft of motor is provided with thread, and the rotating shaft of motor is located inside the front end position of lifting stand. Through the cooperation of motor, lifting stand and lifting seat, when motor rotating shaft rotates, thread drive is used to drive lifting seat to slide up and down along lifting stand, so that the height of dust monitor is easily adjusted, which enables the device to adapt to the dust monitoring needs of different height areas in the processing workshop, and expands the monitoring range. The height of the monitoring device is fixed, and the height of the monitoring position cannot be flexibly adjusted according to the dust distribution characteristics of different areas in the workshop, which leads to limited monitoring range and difficulty in fully reflecting the dust concentration situation in the workshop.

This application provides a sludge thickening device and method for an integrated aeration sedimentation tank, comprising: a tank with a conical zone at the bottom; a sludge inlet pipe with a dosing pipe connected in parallel at the top, the bottom end of the sludge inlet pipe passing through the center of the tank; sludge distribution pipes arranged in a cross shape and connected to the sludge inlet pipe; supernatant collection pipes distributed in the upper and middle parts of the tank and connected in parallel to the outlet; and an ultrasonic sludge level gauge fixed on one side of the top surface of the tank. By providing a dosing pipe and a pipe mixer at the front end of the sludge inlet pipe, the flocculant can be fully mixed with the sludge water in the pipe. By providing a sludge distribution pipe at the tail end of the sludge inlet pipe, the sludge mixed with the flocculant is evenly distributed throughout the tank, which can improve the sludge dewatering efficiency. At the same time, the conical zone can increase the sludge concentration, and a self-cleaning filter screen is provided above the sludge distribution pipe to further filter the sludge and improve the sludge dewatering speed.

This invention discloses a humanoid dexterous fingertip tactile sensor, belonging to the field of tactile sensor technology. It includes a fingertip shell, a flexible contact layer, a signal acquisition unit, an encapsulation layer, and three-dimensional force-sensitive units. The fingertip shell is connected to the flexible contact layer, forming a receiving cavity between them. The signal acquisition unit, the encapsulation layer, and multiple sets of three-dimensional force-sensitive units are disposed within the receiving cavity. The signal acquisition unit includes a mainboard, an FPCB board, and Hall sensors. The number of sets of three-dimensional force-sensitive units is the same as the number of Hall sensors. Each three-dimensional force-sensitive unit includes a carrier plate, a magnet, and an elastic column. The advantages of this invention are that, in the application scenario of humanoid dexterous fingertips, this humanoid dexterous fingertip tactile sensor combines the comprehensive advantages of high three-dimensional force sensitivity, real-time feedback, high spatial resolution, miniaturized integration, and suitability for mass production.

The utility model relates to the field of intelligent detection, in particular to an intelligent detection device capable of quickly identifying a driving license, which comprises a bearing device and a fixing device, the bearing device comprises a grip, the grip is provided with the fixing device and a detection device, the fixing device comprises a fixing seat, and the fixing seat is fixedly connected to the edge of the upper end of the grip. A plurality of sliding holes are formed in the inner walls of the upper end and the lower end of the fixing base at equal intervals in the left-right direction, sliding rods are arranged on the inner walls of the sliding holes in a sliding mode, the ends, close to each other, of the sliding rods are jointly and fixedly connected with clamping blocks which are symmetrical up and down, and springs surround the outer walls of the sliding rods. The clamping block can be pushed by the spring to quickly limit and fix the driving license between the cameras, so that the cameras can quickly acquire the information of the driving license, the situation that the position of the driving license is aligned and adjusted for multiple times during information acquisition is avoided, and the detection efficiency of the driving license is improved.

The utility model relates to the technical field of reed stamping, and discloses an air jet loom reed stamping forming device which comprises a shell, a motor is arranged at the upper end in the shell, the driving end of the motor is rotationally connected with the shell, and an installation platform is fixedly connected to the top end in the shell. The non-driving end of the motor is fixedly connected with the mounting platform, the outer wall of the driving end of the motor is fixedly connected with a rotating disc, a rotating rod is arranged on the side, away from the motor, of the rotating disc, the top end of the rotating rod is rotationally connected to the periphery of the rotating disc, a guiding block is arranged below the rotating rod, and a fixing pile is fixedly connected into the guiding block. According to the utility model, through the combination of the motor, the upper die, the upper die base, the lower die and the lower die base, a plurality of plates can be quickly punched and formed at a time, and the production efficiency is improved. And through the combination of a discharging slope and a collecting box, finished products can be rapidly collected, and a baffle can prevent the machine from hurting operators and other personnel.

The utility model belongs to the technical field of door hinge processing, and discloses a reciprocating tapping device for a door hinge, which comprises a workbench, a support plate is arranged on one side of the top of the workbench, a lifting slide rail is arranged on one side of the support plate, a motor is arranged on the top of the support plate, a butt joint block is arranged on one side of the lifting slide rail, and the butt joint block is arranged on the other side of the lifting slide rail. The clamping assembly structure is arranged, the screw rod is screwed, the screw rod rotates on one side of the connecting plate through the bearing, and due to the fact that the screw rod is in threaded connection with the movable clamping plate, the screw rod drives the movable clamping plate to move towards one side of the fixed clamping plate through a rod piece; the door hinge can be clamped between the movable clamping plate and the fixed clamping plate, the machining position of the hinge is limited, it is avoided that the position of the door hinge is very prone to deviation in the tapping process, normal use of reciprocating tapping equipment is facilitated, and the practicability of the equipment is improved.

The invention discloses a data set expansion method and system for a password misuse detector, and belongs to the field of password misuse detector performance detection calculation. The method comprises the following steps: collecting open source items related to password misuse, and sorting out an API (Application Program Interface) related to password misuse and a password library used by the API; the method comprises the following steps: collecting open source codes related to a password algorithm in a Githhub warehouse, and screening out the open source codes related to password misuse from the open source codes related to the password algorithm based on an API (Application Program Interface) related to password misuse and a password library used by the API; wherein the programming language used by the open source code comprises a Java language, a C / C + + language, a Go language and a Python language; performing variation on the open source code using the Java language; a dataset of a password misuse detector is constructed based on the open source code associated with password misuse and the variant open source code using the Java language. The password misuse data set can be expanded.

The utility model relates to the technical field of landscaping and environmental protection, and discloses a hand-held poplar and willow catkin absorbing machine which comprises an absorbing pipe, a collecting mesh bag, a fan and a power supply device, the fan used for generating negative pressure in the absorbing pipe is arranged at the position close to an opening of the absorbing pipe, and a bag opening of the collecting mesh bag is fixedly connected to an outlet of the absorbing pipe. The power supply device is electrically connected with the fan; and the suction pipe is connected with a supporting part. The absorption machine is low in production cost, convenient to install and maintain, easy and convenient to use, high in collection efficiency, economical and practical.

This utility model discloses a small water quality sampling device that can be mounted on a remote-controlled boat, belonging to the technical field of water sample collection equipment. It includes a battery pack, a first copper wire, a signal receiving and control module, a second copper wire, a geared motor, a bracket, a mounting frame, and a water sampler. The battery pack is connected to the signal receiving and control module via the first copper wire, and the signal receiving and control module is connected to the geared motor via the second copper wire. A first pulley is connected to the geared motor, and a second pulley is provided on the mounting frame. A traction line is connected to the water sampler, and the traction line passes around the second pulley and connects to the first pulley. This utility model uses the aforementioned small water quality sampling device that can be mounted on a remote-controlled boat to replace the traditional sampling method that relies on foam floats or manual rowing using plexiglass. It enables rapid collection of water samples from any point and target water layer in aquaculture ponds, significantly reducing the intensity of sampling work, time costs, and operational risks in inclement weather.