24results about How to "Consistent accuracy" patented technology

The invention discloses a control sheet generation and geometric positioning method fusing satellite-borne laser and an orthoimage. The method comprises the following steps: firstly, screening satellite-borne laser point clouds to obtain a high-quality laser point set; secondly, projecting high-quality satellite-borne laser points obtained by screening onto an orthoimage through coordinate transformation, and removing low-feature response points; and finally, generating a control sheet based on the orthoimage and the laser control point, and performing geometric correction on the target image by using the constructed control sheet to realize high-precision geometric positioning of the image. Different from the mode that only laser height measurement data is adopted for elevation control, the satellite-borne laser data and the orthoimage are fused, accurate horizontal height control over the remote sensing image is achieved, meanwhile, the defect that the DEM precision is limited is overcome, and the method is more suitable for geometric positioning of sub-meter images.

The invention discloses a 3D intelligent visual gluing method and device and computer equipment. The method comprises the following steps of: dividing a region, which needs to be glued, of the automobile into uniform grids, arranging a gluing working point at the center of each grid, configuring a minimum coverage working point set of the gluing region according to the gluing working points, and configuring a minimum coverage working point set of the gluing region according to the configured minimum coverage working point set of the gluing region, planning an optimal path for gluing a to-be-glued area of the automobile, and acquiring three-dimensional space coordinate information of a gluing area covered by each working point set on the optimal gluing path by taking a three-dimensional gluing template graphic representation of the to-be-glued area of the automobile as a standard; and gluing the automobile gluing area on the optimal gluing path according to the three-dimensional space coordinate information. In this way, the automobile gluing efficiency and quality can be improved.

The utility model relates to a kind of lead-acid battery plate production technical field, specifically related to a kind of lead-acid battery plate coating device. Including frame, two symmetrical coating mechanisms of upper and lower setting are installed in frame one side, and roller mechanism is installed on the frame of coating mechanism side, it is characterized in that, two supporting rollers are rotatably arranged on the frame of roller mechanism side, outer smearing edge mechanism, inner smearing edge mechanism and cleaning mechanism are sequentially arranged between the two supporting rollers. The device integrates coating, rolling, smearing and cleaning functions, and the full-process treatment of coating can be completed by single pass of the grid, avoiding deformation or pollution of lead paste caused by multiple handling, significantly improving the production yield and efficiency of the plate.

This invention provides a method and system for constructing a 3D model of a construction site by combining multiple data sources. It relates to the field of data processing technology. The method includes: retrieving satellite imagery at a preset resolution to obtain a full-area stereo image pair dataset; performing radiometric correction to generate a regional surface model and a regional elevation model; performing raster-level modeling defect detection to locate distributed blind zone blocks; fitting obstacle avoidance paths to generate optimized obstacle avoidance flight trajectories; driving a UAV to perform multi-angle surround scanning to directionally collect dense point clouds in the distributed blind zones; constructing a distributed blind zone model; and performing microscopic overlay to output a 3D model of the construction site. This invention solves the technical problems of existing construction site modeling methods, which have limitations in coverage, modeling efficiency, and data real-time performance, and rely on a single data source, failing to provide a comprehensive and accurate 3D model of the construction site, thus affecting construction progress and decision-making.

This invention relates to the field of tapping equipment technology, specifically a multi-axis synchronous tapping device for clutch stamping parts. It includes a tooling base on which an assembly is mounted. By installing a distance adjustment component on the upper mounting base and slidably connecting a third tapping gear to this component, the radial position of the third tapping gear and the tap can be flexibly adjusted, thereby changing the tapping distribution circle diameter. This allows the device to quickly adapt to clutch stamping parts with different hole specifications, significantly reducing changeover costs. Simultaneously, it employs a full gear transmission layout where one first tapping gear simultaneously meshes with multiple second tapping gears, and each second tapping gear then meshes with a third tapping gear. The transmission chain is short and all parts are rigidly synchronized, completely eliminating vibration problems caused by unequal speeds and expansion / contraction clearances in universal joint transmissions, effectively ensuring the machining accuracy of the threads.

This application discloses a tool setting method and tool setting fixture for a vertical slotting machine, belonging to the technical field of tool setting devices. To address the problems of low tool setting efficiency and poor accuracy in existing vertical slotting machines, the tool setting fixture includes a central support plate. A triangular jaw is installed at the bottom of the central support plate. The tool setting fixture is installed at the inner hole of the workpiece to be processed via the triangular jaw. A support base for fixing a measuring device is installed on the front side of the central support plate. A tool setting sample block is detachably connected to the support base. The operator determines the tool setting position by cooperating with the measuring device and the tool setting sample block. This application is mainly used as a tool setting device for CNC vertical slotting machines.

The present invention relates to a metal sample polishing device with automatic grinding depth adjustment and a working method thereof, comprising a machine base, a turntable rotatably connected to the machine base, the lower end of the turntable being driven to rotate and supported by a driving mechanism, a clamping mechanism evenly distributed along the circumferential direction of the upper end surface of the turntable, a pneumatic chuck for clamping the metal sample being arranged on the top of the clamping mechanism, a grinding mechanism matched with the clamping mechanism being arranged on the outer edge of the turntable, the grinding mechanisms being fixedly connected to the surface of the machine base, the metal sample polishing device with automatic grinding depth adjustment is suitable for grinding and polishing metal samples of various sizes and shapes, and ensures the consistent surface roughness of each sample.

This utility model relates to the field of durability testing technology, specifically a solid-state drive (SSD) insertion / removal durability testing fixture. It includes a test base, a feeding mechanism, a gripping mechanism, and an insertion / removal mechanism. The feeding mechanism is mounted on the surface of the test base and includes a conveyor frame, a conveyor belt, and a conveyor motor. It can quickly and accurately align the gripping claw with the SSD under test, and the gripping force can be naturally adjusted according to the spring compression. This avoids damage to the SSD casing caused by rigid gripping while ensuring effective clamping of the SSD. The pawl, under the elastic force of the second spring, continuously engages with the ratchet tooth groove, forming a one-way locking structure. This completely restricts gear reversal, thereby locking the position of the pressure plate and ensuring that the gripping claw maintains a stable clamping force. Even if the electric telescopic rod experiences slight extension or contraction, or if the equipment vibrates during operation, it will not loosen, providing absolutely stable gripping assurance for subsequent lifting, conveying, and other processes.

The application discloses a kind of automatic sorting equipment based on micro ceramic height difference, it is related to micro ceramic sorting technical field.The present application includes fixed frame and rotating frame, rotating frame is equipped with fixed frame, and sorting piece is rotatably installed in fixed frame, and sorting piece is configured with sliding table, U-shaped plate, lifting piece and positioning piece, positioning piece is realized with multiple groups of outer diameter decreasing sleeve by screw rod to realize multistage height presetting;The equipment can adjust the inclination angle of sliding table to control the sliding speed of material, and is provided with electromagnet, gear transmission and collecting box structure, to realize automatic overturning and grading storage of unloading controlled by electric.The present application does not need to adjust sorting height one by one, can quickly switch sorting gear, has high sorting precision and high degree of automation, replaces artificial piece-by-piece detection sorting, adapts to multi-specification micro ceramic mass continuous sorting operation, and production efficiency and versatility are significantly improved.

The utility model discloses an extraction module, which relates to the technical field of medical instruments and information intelligent equipment, and is characterized in that a first lifting substrate and a second lifting substrate are respectively connected with a magnetic bar unit and a magnetic bar sleeve loading unit, and the two lifting substrates are connected to the same vertical slide rail; the first substrate driving motor and the second substrate driving motor respectively drive the two lifting substrates to move, so that the magnetic bar unit can penetrate through the hollow part of the magnetic bar sleeve loading unit to be inserted into different positions in the connected magnetic bar sleeve. Therefore, the magnetic field around the magnetic bar sleeve is changed to meet different requirements of mixing and magnetic bead adsorption transfer in nucleic acid extraction operation. Besides, the vertical base plate can be driven by the transverse driving mechanism, and then the two connected lifting base plates are driven to synchronously and transversely move, so that transverse movement control of the two different functional units is simpler and more reliable.

The invention relates to the technical field of wood floor processing equipment, in particular to wood floor surface transverse saw grain processing equipment which comprises a workbench, a backup plate arranged on the workbench and a band saw blade arranged on the front side of the backup plate, transmission rollers are arranged at the front end and the rear end of the backup plate, and the transmission rollers clamp the front side and the rear side of a wood floor. A feeding mechanism is arranged on the backup plate, the feeding mechanism pushes a wood floor to advance by a set distance at set time intervals, the band saw blade perpendicularly penetrates through the workbench, the band saw blade is connected with a feeding mechanism, and the feeding mechanism drives the band saw blade to move front and back in the direction perpendicular to the backup plate. The feeding mechanism and the feeding mechanism are adopted to control the advancing distance of the wood floor every time and the moving position of the band saw blade every time, so that the processed transverse saw patterns are consistent in precision, the band saw blade is prevented from leaving longitudinal scratches on the wood floor, and the overall quality of the wood floor is improved.

The invention belongs to the technical field of polishing machines, and particularly discloses a curved optical glass polishing machine which comprises a cabinet, a splash-proof bin is arranged above the cabinet, a profiling suction and abutting mechanism is arranged in the splash-proof bin, and a PLC is fixedly installed on the outer wall of one side of the cabinet. The rear end of the cabinet is connected with a polishing mechanism through an arranged storage lifting mechanism, a suction mechanism is arranged on one side of the interior of the splash-proof bin in a communicating mode, the profiling suction abutting mechanism further comprises a profiling disc table, the outer edge of the profiling disc table is bent downwards, and a wear-resisting flexible particle pad is machined on the outer surface of the profiling disc table. According to the curved glass polishing device, dynamic balance fixing can be achieved, the problems of displacement, scratches and damage caused by unstable fixing in the curved glass polishing process are solved, and high-precision, self-adaptive and full-automatic polishing is achieved.

The invention provides a method for detecting heavy metals in soil, and relates to the field of heavy metal detection. The method for detecting the heavy metals in the soil comprises the following steps: preparing a composite detection electrode, establishing a standard curve, and detecting a sample. The preparation of the composite detection electrode comprises the following steps: preparation of cerium-doped nickel-based metal cluster composite graphene, functional modification and electrode modification. The method for detecting the heavy metals in the soil aims at hexavalent chromium in the soil, does not need to depend on a large precise instrument, is high in detection sensitivity, strong in anti-interference capability, good in stability, simple and convenient to operate and rapid in detection, and can meet the timeliness requirement of rapid screening or emergency monitoring of large-batch samples.

The invention provides a performance knowledge-oriented answer generation method and device and a storage medium, and the method comprises the steps: determining a question and answer intention and the role information of a user through the questions of the user and analyzing the questions; retrieving related performance knowledge contents; performing question and answer oriented semantic compression processing on the retrieved fulfillment text; generating simple answers by using a large language model; and executing consistency verification and optimization of the answers, and outputting final simple answers. According to the method, a large language model is combined with a semantic compression technology to process a complex law and regulation text, so that a simple, choking and accurate answer is generated.

The invention discloses a copper foil rolling mill with a precise slitting device, which belongs to the field of copper foil rolling equipment, including a winding system, a slitting system and a collecting assembly. The slitting system is composed of a width slitting assembly and a length slitting assembly. The copper foil to be cut is slid into multiple copper foil strips after passing through the circular cutter and the support roller of the width slitting assembly. Each copper foil strip is then slid by the length slitting assembly. The length slitting assembly includes a cross-cutting knife and a pressing shell arranged on a knife holder. The knife holder is movably arranged between the left and right side plates of the frame. A driving mechanism is arranged between the end of the knife holder and the side plate. The driving mechanism is used to drive the knife holder to move. The cross-cutting knife is slidably arranged on the pressing shell, and the pressing shell is slidably arranged on a fixed shaft. When the copper foil strip is slid, the pressing shell first presses the copper foil strip, and the cross-cutting knife then slids the copper foil strip. The slid copper foil strip is collected by the collecting assembly. The invention solves the problem in the prior art that burrs are generated on the edge of the copper foil when the copper foil is sheared, which affects the quality of the copper foil.

The utility model belongs to the field of boring, specifically speaking, it is a hexagonal pulls the hole boring cutter handle, including shell, directional seat and main handle, the outside of shell is provided with directional seat, the top of shell is provided with main handle, the bottom of inside of main handle is provided with built -in cutter cylinder, the bottom of built -in cutter cylinder is provided with boring tool, the bottom of shell is provided with the closure, the utility model discloses through six rhombus trajectory ring and deep groove ball bearing cooperation, the built -in cutter cylinder is shaken and is restrained in combination limit component, makes the boring tool of rotation stable to three rhombus trajectory deviation. On the one hand, need not additional setting or changing sword, can complete pulls the hole polygonal hole wall cutting one time, simplifies the procedure, reduces time loss, on the other hand, track stable law can guarantee pulls the hole each side precision is consistent, hole wall is even, avoids traditional boring hole type irregular, the problem of big size deviation, promotes processing quality. Meanwhile, the upper and lower bearing in shell provides stable support, further guarantees the stable swing of tool.

The utility model relates to the technical field of micro-displays, in particular to an OLED (Organic Light Emitting Diode) display structure, which comprises a light combination prism, the light combination prism comprises a light-in surface and a light-out surface; the light incident surface is connected with a single-color silicon-based OLED (Organic Light Emitting Diode) display; the light emitting surface is connected with a micro lens assembly; the micro-lens assembly is arranged on the light emitting surface of the light combining prism, the micro-lens assembly rotates the light path through the micro-lens array and increases the light extraction efficiency, so that the brightness of the OLED display is improved, the power consumption is reduced, and the structure can increase the direction of light reflected in the panel by adjusting the light path, so that the front brightness is improved, and the side brightness is reduced.

The application discloses a controllable automatic clamping hydraulic clamping device and a control method thereof, and belongs to the technical field of hydraulic clamping. The device comprises a clamping mechanism, a supporting mechanism, a driving mechanism, a pressing mechanism and a camera mechanism. The clamping mechanism clamps the workpiece through the cooperation of the clamping jaw A and the clamping jaw B; the driving mechanism adopts a servo motor to drive a lead screw, drives a movable seat to realize horizontal feeding, and realizes accurate positioning through an internal torque sensor; the pressing mechanism corrects the flatness of the surface of the workpiece through a cylinder-driven pressing plate; and the camera mechanism is used for collecting the image of the workpiece. The control method dynamically adjusts the pressing feeding amount by using a fuzzy PID controller through image preprocessing, feature point extraction and position deviation calculation, and combines historical data to perform adaptive optimization. The application realizes full automation and high-precision control of workpiece clamping, and effectively improves the machining quality and production efficiency.

The utility model discloses an arch culvert model frame removes construction equipment, including support mechanism and arch mechanism, support mechanism includes a plurality of mobile support legs for symmetrical layout in the length direction interval of arch culvert both sides and set and is used for connecting adjacent two mobile support legs of the length direction of arch culvert cross bar, and mobile support leg can be adjusted in lift, arch mechanism, including the arch for striding and supporting the template of arch culvert both sides and installing in the arch lower end for adjusting the span and shape of arch tension string subassembly, and the both ends of arch are installed on the cross bar of arch culvert both sides and are used for along the length direction sliding adjustment position of cross bar. The device can adjust the span and shape of arch, ensure that the template can be closely combined with the arch culvert of different span, different shape, improve the quality of concrete pouring, and do not need to set up the model frame under the tension string subassembly, reduce the space occupied, leave the sufficient space for the inside of arch culvert, be favorable to the flexible layout and traffic transportation of construction site.

The application relates to the technical field of automobile electronic control, and discloses an intelligent control method and system for an automobile glass lifter, aiming to solve the technical problem that existing anti-pinch control relies on a fixed threshold, cannot adapt to environmental and aging changes, and can only be passively responded. The method comprises the following steps: acquiring multi-modal data of lifter states, indoor and outdoor environments, and short-range obstacles of a window in real time; constructing and updating a dynamic digital twin model representing physical characteristics; generating a multi-dimensional state deviation instruction based on the deviation between model prediction and actual measurement data; fusing the instruction and short-range detection data to generate a hierarchical decision containing early warning, pre-contact and collision type anti-pinch; and dynamically adjusting the motor driving strategy accordingly to realize intelligent lifting and ice breaking functions. The application significantly improves the anti-pinch reliability, safety and intelligent level through predictive protection and full life cycle adaptive calibration.

The invention relates to an automatic copper ring winding device which comprises a base, and a servo tension mechanism, a solution transmission assembly, a winding displacement mechanism, a winding rotation mechanism, a wire clamping and shearing transfer assembly, a pressing mechanism and a wire clamping column closing mechanism which are arranged on the base, the solution transmission assembly comprises a solution storage container, a power part, a solution supply mechanism and a dropping pipette; the wire clamping and shearing transferring assembly comprises a wire clamping and shearing mechanism and a cam transferring mechanism. One end of the winding rotating mechanism is a wire clamping end; the pressing mechanism is arranged close to the wire clamping end; one end of a copper wire is sequentially arranged along the servo tension mechanism, the solution conveying assembly and the wire clamping and shearing transferring assembly, the wire clamping and shearing mechanism clamps one end of the copper wire, and the wire clamping and shearing mechanism enables the copper wire to be arranged at the wire clamping end through movement of the cam transferring mechanism. According to the device, the bonding solution can be automatically and continuously dropped through the solution conveying assembly, continuous monitoring and manual operation of operators are not needed, the manual intervention time is greatly shortened, and the production efficiency is remarkably improved.

The invention discloses an isothermal hot forging forming process and device applied to large wind power main shaft forgings, and relates to the technical field of main shaft heat treatment. And step-by-step forging and pressing forming of the forge piece is realized by matching transmission of a wedge-shaped pressing block group and an inclined wedge surface of a pressed sliding seat, multi-point pressure application of an air hammer power assembly and directional deflection of a rotary power assembly, and the process core is as follows: the forge piece is positioned and clamped after being heated; according to the method, the problems that in traditional hot forging, deformation is uneven, cracking is likely to happen, and toughness is insufficient are solved through structural collaboration and process optimization aiming at the pain points that a large wind power main shaft forged piece is large in size and high in relevance between temperature and deformation quantity, and the large wind power main shaft forged piece is formed through continuous actions of lateral surrounding positioning, overall blowing pressing, multi-point secondary hammering pressing and directional deflection circulation. Forge piece forming precision and mechanical performance are remarkably improved, and meanwhile hot forging production efficiency is improved.

The invention relates to the field of automobile flow line production, in particular to a digital twinning simulation system based on an automobile production continuous line, which comprises a production control system, an internet of things system and a digital twinning system. And the production control system is connected to the production line, drives the carrier carrying the vehicle to pass through each post, and controls the production equipment to complete the production process on the vehicle. The production control system further sends sensing information to the Internet of Things system. The Internet of Things system integrates the sensing information to generate production line state information and sends the production line state information to the digital twin system. The production line state information comprises production line operation information and carrier in-place information. And the digital twin system combines the production line operation information and the carrier in-place information, associates the vehicle and the carrier, calculates to obtain virtual queue information, updates the virtual production line state and displays the virtual production line state, thereby realizing the twin effect of the virtual production line. The invention also comprises a method. According to the invention, the specific position of each carrier can be accurately calculated, the carriers and the vehicles can be associated, and synchronization of digital simulation and actual conditions is ensured.

This invention discloses a multi-dimensional collaborative scheduling method for power communication networks, relating to the field of power communication network scheduling technology. The method includes: establishing a spatiotemporal evolution sequence by sensing multi-dimensional indicators of service flows; analyzing the sequence data to form correlation features; constructing a multi-level topology structure with different grid resolutions based on the correlation features and regional monitoring density differences; analyzing the time patterns of service flows based on this structure to derive the spectral information of potential network demands; using the spectral information to perform virtual network simulation, solving the traffic allocation of core nodes, and generating a global load status profile; and evaluating the available processing capacity by combining the frequency of node overload with preset equipment performance degradation trajectories to form a global collaborative scheduling scheme. This method achieves dynamic matching between topology representation accuracy and monitoring capabilities, and incorporates time-varying equipment performance degradation into capacity assessment, improving the accuracy and foresight of scheduling decisions.