122results about How to "Improve correction efficiency" patented technology

The invention discloses a three-dimensional high-precision real-time drift correction method and device. The method comprises the following steps: firstly, acquiring an initial image and establishing an axial stack of the image; secondly, analyzing the axial stack to determine the initial position of the image; then the images are collected in real time, and the relative displacement between the images is calculated through a cross-correlation algorithm; and finally, according to the relative displacement, carrying out system fine tuning to realize sub-nano-scale accurate positioning and drift correction. The device comprises two near-infrared laser light sources which are used for illuminating a sample and a marker; a high frame rate camera for capturing an image; the piezoelectric nanometer displacement table is used for finely adjusting the position of the sample or the optical system; and the processor is configured with a linear fitting algorithm and a cross-correlation algorithm, and is used for calculating the relative displacement between the images and controlling the piezoelectric nano displacement table to perform fine adjustment. According to the invention, the position of the sample is monitored and corrected in real time, so that sample drift possibly occurring in a long-time imaging process is compensated.

The invention provides a mistaken taking and mistaken placing early warning method and system suitable for an unmanned aerial vehicle accessory storehouse, and relates to the technical field of intelligent warehousing, and the method comprises the steps: obtaining real-time operation image data through an image collection device, collecting accessory position data through a distributed sensor network, and generating an accessory operation data flow through standardization processing; the deep learning recognition model recognizes operation behavior types and accessory feature information, and real-time space position coordinates of accessories are calculated in combination with a three-dimensional space positioning algorithm; and the early warning analysis model judges the operation intention, matches the accessory information in real time, compares the warehouse three-dimensional virtual model, and pushes early warning information and carries out visual marking when wrong operation is detected.

The invention provides a laser peening shape correcting system and method for a high-speed carrying equipment vehicle body thin-wall component. The laser peening shape correcting system comprises a measuring module, a process design module, an integrated control module, a laser scanning module and a machining workshop. The geometric shape of the thin-wall component to be corrected is obtained through the measurement module and input to the process design module; in the process design module, laser peening correction process parameters of the thin-wall component are designed based on the measured shape and the target shape, and a laser scanning path is generated and transmitted to the integrated control module; in the integrated control module, motion parameters of the laser scanning module are calculated according to the laser scanning path, and a motion instruction is issued; and after receiving the motion instruction, the laser scanning module begins to carry out shape correction processing on the thin-wall component placed in the processing workshop. By means of the system, the problem that the geometrical shape of the vehicle body thin-wall component is out of tolerance due to assembly welding and foreign object collision is effectively solved, and the system has the advantages of being good in controllability, high in shape correcting capacity and the like and has extremely high engineering application value.

The invention discloses a target code generation method based on a template engine. The method comprises the following steps: presetting a template file corresponding to an item; loading a template file through a template engine, wherein the template file is generated according to the repetitive code of the project; combining the data model corresponding to the project with the template file to generate a target code; the template file comprises a mark used for indicating the template engine to insert dynamic data in the repetitive code, and the data model comprises the dynamic data required by the template file. Through the preset template file, the workload of repeatedly writing codes is reduced, and the development efficiency is improved.

The utility model discloses a steel structural member welding deformation correcting device, and particularly relates to the technical field of steel structural member manufacturing, the steel structural member welding deformation correcting device comprises a correcting assembly, a limiting assembly is arranged above the correcting assembly, the correcting assembly comprises a correcting plate, and a clamping plate is fixedly installed on the front face of the correcting plate. According to the steel structural member welding deformation correcting device, the steel structural member can be limited through descending of the limiting plate, the situation that when the correcting pressing plate corrects the steel structural member, the steel structural member deviates upwards, and correction fails is avoided, meanwhile, under the action of the correcting air cylinder, the steel structural member can be accurately corrected, and the correcting effect of the steel structural member is improved. When the steel structural component is straightened, the straightening pressing plate can move towards the steel structural component, the bent part of the steel structural component can abut against the straightening pressing plate, and therefore the bent part, caused by welding, of the steel structural component can be straightened in a pressing mode, and straightening operation of the steel structural component can be rapidly completed.

The invention provides a method for reducing optical proximity correction time, which comprises the following steps of: providing an initial target graph, performing OPC (Optical Proximity Correction) on the initial target graph to obtain a correction mask plate of the initial target graph, and comparing the correction mask plate of the initial target graph with the initial target graph to obtain a deviation table; a to-be-corrected target pattern is provided, the to-be-corrected target pattern is the same as the initial target pattern, the deviation table is imported into the OPC formula, OPC correction is conducted on the to-be-corrected target pattern, and the corrected mask plate of the to-be-corrected target pattern is obtained. According to the method for reducing the correction time of the optical proximity effect, after OPC is carried out on the initial target graph, a deviation table between a correction mask plate of the initial target graph and the initial target graph is obtained, and when to-be-corrected target graphs of the same graph are corrected subsequently, the deviation table is imported into an OPC formula to be corrected, so that the correction time of the optical proximity effect is shortened. The correction time is greatly reduced, and the OPC correction efficiency is improved.

The utility model belongs to the technical field of coal mining auxiliary equipment, and particularly discloses a scraper plate correcting device of a scraper plate conveyor. The scraper plate correcting device of the scraper plate conveyor comprises a workbench, a mounting frame, a driving part and a correcting pressure head, the mounting frame is arranged on the workbench, a limiting opening is formed in one side of the mounting frame, and the limiting opening is formed in one side of the workbench so as to limit a scraper plate located on the workbench. The driving piece is arranged on the mounting frame and located above the workbench. The correcting pressing head is connected with the driving piece which is used for driving the correcting pressing head to move in the height direction of the workbench. The scraper plate correcting device can reduce labor intensity and improve scraper plate correcting efficiency.

The invention discloses a core depth correction method, device and equipment and a storage medium, and relates to the technical field of oil-gas exploration, and the method comprises the steps: collecting the logging data of other cored wells in a preset range of a target cored well, so as to obtain the lithology data of adjacent wells at different depth points and the corresponding logging data of the adjacent wells; counting the GR values of the same lithology in the adjacent well GR values according to the lithology data of the adjacent well, and calculating the average value of the GR value distribution corresponding to each lithology to obtain a standard GR value; lithology data of different depth points in the target coring section and corresponding GR values are obtained, and target lithology data and a corresponding target GR curve are obtained; simulating a GR curve of the target coring section based on the target lithology data and the standard GR value to obtain a simulated GR curve; and calculating the difference of the two GR curves under different variable offsets, and performing core depth correction on the target coring section by utilizing the offset corresponding to the minimum value in a plurality of difference values. The automatic core depth correction can be realized, and the correction efficiency and accuracy are improved.

The present application relates to the field of web conveying device, especially to a handkerchief paper automatic folding machine, the structure of which comprises a transition roller group, a tension adjusting group and a deviation corrector, the deviation corrector comprises a deviation roller frame and a control base for driving the rotation of the deviation roller frame, the tension adjusting group comprises a fixed roller, a second movable roller, a main lifting mechanism and a micro-motion adjusting assembly, the main lifting mechanism is in transmission connection with the second movable roller, the second movable roller is lifted along a preset track through the main lifting mechanism, the micro-motion adjusting assembly comprises a first movable roller and a micro-motion driving device, the first movable roller is arranged on the sheet path of the second movable roller and is lifted synchronously with the second movable roller, the micro-motion driving device is in transmission connection with the first movable roller, the first movable roller is independently lifted in a short distance relative to the second movable roller through a micro-motion frame, so that the tension can be smoothly transitioned, and through the cooperation of the connecting shafts on both sides of the jacking rod and the return springs, the driver can separately drive the slider on the feeding side or the discharging side to move.

The invention discloses a flight control method and system based on multi-information cooperative control, and the method comprises the steps: enabling a flight computer to obtain a signal of each sensor and a predetermined target position, initializing an ideal track of an aircraft, and obtaining an ideal position of the aircraft; gNSS and IMU failure detection factors are calculated, and the actual position of the aircraft is determined according to the failure detection results of the GNSS signals and the IMU signals; when the distance between the actual position of the aircraft and the preset target position is greater than a distance threshold value, calculating a deviation time interval and adaptive optimization time to obtain corrected acceleration of the aircraft under the condition that the deviation between the actual position of the aircraft and the ideal position of the aircraft is greater than a position deviation threshold value, otherwise, continuously monitoring each signal parameter; and when the distance between the actual position of the aircraft and the predetermined target position is smaller than or equal to the distance threshold, screening the target through the infrared image. According to the method, signal failure detection, correction algorithm optimization and pixel temperature screening are combined, so that precise navigation of the aircraft is realized.

An optical proximity correction, photomask production and patterning method, wherein the optical proximity correction method comprises: respectively setting a first tolerance and a second tolerance for a first sub-pattern and a second sub-pattern in a first initial pattern, and the first tolerance is less than the second tolerance; performing optical proximity correction on the first initial pattern, and during the correction process, if the first edge placement error is less than or equal to the first tolerance, and the second edge placement error is less than or equal to the second tolerance, the optical proximity correction is completed, and a first corrected pattern is obtained. The optical proximity correction method provided by the present invention can improve the correction accuracy and correction efficiency.

The invention relates to the technical field of lithium ion electric vehicles, and discloses a method for realizing SOC correction at the moment of stopping charging and discharging of a lithium ion electric vehicle, and the method comprises the following steps: S1, equivalent circuit model establishment, S2, voltage data research, S3, numerical value determination, and S4, SOC correction. By further researching the standing process of the lithium ion battery (instantaneous ohmic internal resistance affects the voltage and continuous polarization effect enables the voltage to tend to a constant value for a long time) and combining OCV-SOC data on the basis of off-line and on-line parameter identification methods of a lithium ion battery equivalent circuit model, the lithium ion battery can be identified. The lithium ion battery polarization characteristics and equivalent circuit model parameter identification are utilized to realize the effect of correcting the SOC at the moment of stopping charging and discharging of the lithium ion electric vehicle, more original offline test data are not needed, the condition that sufficient standing is needed before the SOC is corrected by an open-circuit voltage method is eliminated, the correction efficiency is improved, and the correction cost is reduced. And the selective correction of any time point from the stop of driving or the end of charging to the BMS sleep period is also realized.

The invention provides a script correction method and device, equipment, a medium and a product, and can be applied to the technical field of artificial intelligence. The method comprises the steps that in response to an updating request determined for script updating operation of an interactive interface, a demand description text and a running script are determined, the running script is used for supporting system running, and the demand description text is used for describing running defects existing in a system running based on the running script; performing word segmentation processing on the demand description text to obtain demand information and prompt words; the generated language model is used for processing the demand information, the cue word and the running script, a target correction script is obtained, the cue word is used for controlling the generated language model to execute the script correction task, and the target correction script is used for controlling normal running of the system.

The present invention discloses a tilt angle adjustment structure, a lens assembly and a photographic device, wherein the tilt angle adjustment structure comprises a fixed part, a floating part, a plurality of rolling support bodies, a magnetic structure and a height adjustment structure; the floating part and the fixed part are arranged relative to each other, and one of the floating part and the fixed part is a load-bearing mounting part; a plurality of rolling support bodies are arranged on the load-bearing mounting part and are located between the fixed part and the floating part, and are used to support the floating part on the fixed part, and at least part of the plurality of rolling support bodies are arranged as height-adjusting rolling support bodies; the magnetic structure is arranged between the fixed part and the floating part; the height adjustment structure is arranged between the load-bearing mounting part and the height-adjusting rolling support body, and is used to adjust the height of the height-adjusting rolling support body protruding from the load-bearing mounting part; one or more height-adjusting rolling support bodies are adjusted by the height adjustment structure to correct the tilt of the lens, and the correction operation is simple and easy to implement, thereby improving the correction efficiency and thus improving the production efficiency.

The invention discloses an automatic conveying line for assembling parts, which comprises a conveying belt, a power piece, a driving wheel, a driven wheel, a fixed frame, a rotating piece, a sliding plate, a sliding plate, an adjusting plate and a movable piece. The adjusting plate is used for carding the parts along the position opposite to the conveying position of the parts, so that the positions of the parts on the conveying belt are corrected, then the adjusting plate moves upwards by a height, is far away from the corrected parts, performs reset movement along the height, moves to the position above the untreated parts, and then descends to act again to sort the parts, and the steps are repeated in sequence; according to the part correcting device, the adjusting plate is actively moved, and the arrangement direction of the adjusting plate is opposite to the moving direction of the parts, so that the correcting efficiency is improved, and the part stacking condition is effectively avoided.

The utility model belongs to the field of bilateral straightening machines, and particularly relates to a bilateral straightening machine for H-shaped steel flanges, which comprises a left side plate and a right side plate, mounting plates are fixedly connected to two ends of the left side plate and the right side plate, and placing blocks are fixedly connected to side surfaces of the left side plate and the right side plate. Pressure assemblies are fixedly connected to the two sides of the mounting plate and the two sides of the containing block correspondingly. Each pressure assembly comprises a hydraulic push rod fixedly connected to the surface of the mounting plate and the surface of the containing block and a pressing plate fixedly connected to the bottom end of the hydraulic push rod. Through a connecting rod and inserting hole matching structure arranged between the left side plate and the right side plate, quick dismounting and positioning of the two side plates are achieved, a modular correction unit is formed by combining a placing block and pressure assemblies symmetrically distributed on the two sides of a mounting plate, the overall size is effectively reduced, portability is improved, and the equipment can meet temporary correction requirements of different construction scenes; the problems that a traditional straightening machine is complex in structure and inconvenient to move are solved.

The present invention discloses a self-adaptive and flexible large-surface fitting system for a heavy-duty industrial robot and a control method thereof, so as to solve the problem of low absolute positioning accuracy of the industrial robot and meet the high-precision assembly requirements of large and complex structural components. The system includes an AGV trolley, a control cabinet, a robot body, a robot bearing connection column, a robot terminal connection flange, a terminal assembly execution component, an assembly component, and a component assembly fixing component; the control method includes: establishing a coordinate system relationship between the robot body and the terminal assembly execution component, building a compensation calculation model and an admittance control model, analyzing the admittance control, and performing control algorithm calculations by real-time monitoring of the component posture, monitoring the external contact force, torque, and the robot terminal acceleration, angular acceleration changes, and correcting the robot posture. The present invention realizes high-precision assembly of heavy-duty industrial robots, performs flexible assembly of customized components, and improves assembly efficiency.

The utility model discloses blade type automatic positioning dynamic balance detection equipment, which relates to the field of dynamic balance detection equipment, and comprises a base platform, the upper end face of the base platform is fixedly provided with a rack, the rear end face of the base platform is provided with a display screen, and the display screen is fixedly connected with the base platform. An integral swing frame is further fixedly installed on the upper end face of the base platform. Through the arrangement of the display screen, an operator can conveniently touch the screen to operate, a good man-machine conversation effect is achieved, after the cross-flow fan blade is installed, measurement and positioning of a left weight adding position are completed in four seconds after starting, and then the cross-flow fan blade is positioned and irradiated to a right weight adding position in 0.5 seconds through the switching button, so that the detection efficiency can be greatly improved.

The invention relates to the technical field of track correction, and discloses a rapid track corrector which comprises a bottom plate, a rear vertical plate and a front vertical plate are fixedly connected to the upper surface of the bottom plate, shaft sleeves are fixedly connected to the opposite faces of the rear vertical plate and the front vertical plate, rotating shafts are rotatably arranged in the shaft sleeves, positioning wheels are fixedly connected to the surfaces of the rotating shafts, and the positioning wheels are fixedly connected to the surfaces of the rotating shafts. Air cylinders are fixedly installed on the lower surface of the rear vertical plate and the lower surface of the front vertical plate correspondingly, the driving ends of the air cylinders are fixedly connected with transverse push plates, and a driving structure is arranged in the rear vertical plate. By arranging a driving mechanism and adopting indirect meshing of an incomplete gear and a gear, when the incomplete gear rotates by one circle, a positioning wheel can be controlled to only rotate one side face to the uppermost portion, meanwhile, a carbon brush block is in friction contact with a first carbon brush plate and a second carbon brush plate in sequence, and an air cylinder and a hydraulic cylinder can be controlled in sequence; track pins can be installed from the two sides, and track plates can be pressed down and corrected.

The utility model is applicable to the technical field of processing equipment, and provides a bracelet rounding device, which comprises a base, a rotating disc, a rotating shaft, a rotating shaft and a rotating shaft, the rotating assembly is mounted in the cavity of the base and is provided with a first transmission assembly and a second transmission assembly; the positioning assembly is provided with a plurality of positioning columns, and the positioning columns are installed on the rotating disc, slidably connected with the base and used for positioning the inner ring of the bracelet; the correcting assembly is provided with a plurality of push rods used for extruding the outer ring of the bracelet. The position of the positioning column is adjusted by rotating the turntable, so that the bracelet is positioned by the positioning column, a mold matched with the bracelet does not need to be replaced, and bracelet positioning steps are simplified; the power source and the connecting shaft are used for providing power for the first transmission assembly and the second transmission assembly at the same time so that the positioning column and the push rod can correct and repair the inner ring and the outer ring of the bracelet, the correction efficiency of the bracelet is improved, and the problems of tedious steps, low correction efficiency and the like when the bracelet is corrected are solved.

The invention relates to the technical field of corrugated board packing machines, in particular to an efficient corrugated board packing machine which comprises a rack. The deviation correcting mechanism is used for correcting the deviation of the corrugated board; the separating mechanism is used for separating wet corrugated boards; the packaging and stacking mechanism is used for packaging the corrugated boards; the deviation rectifying mechanism is arranged at the top end of the rack, the separating mechanism is arranged at one end of the rack, and the packaging and stacking mechanism is arranged at the other end of the separating mechanism. The arranged separating mechanism can detect the weight of the corrugated boards, supporting rods on a separating plate are used for supporting and detecting the corrugated boards, the overweight corrugated boards absorbing water are separated from the corrugated boards with the normal weight through elasticity of torsional springs on the inner sides of the supporting rods, and the effect of rapidly removing the wet corrugated boards is achieved; and the packaging efficiency of the corrugated boards is improved. And the arranged deviation rectifying mechanism conveys the corrugated boards through inclined conveying rollers, so that the corrugated boards slide towards one side under the action of gravity in the conveying process, and automatic deviation rectifying operation of the corrugated boards is achieved.

The utility model relates to a semiconductor laser patch correction tool, comprising a processing table which is provided with a conveying mechanism and a displacement module. A mounting plate is longitudinally arranged at the lower end of one side of the displacement seat, sliding rails are longitudinally arranged on the two sides of the surface of the mounting plate, a movable plate is slidably arranged on the sliding rails, and the upper end of the movable plate is driven to ascend and descend through a driving electric cylinder arranged on the displacement seat; one end of the rotating shaft is fixedly connected with the center of the overturning frame, the other end of the rotating shaft is driven by a driving motor arranged on the other side of the movable plate to rotate, a dispensing machine and a hot air gun are installed at the two ends of the overturning frame respectively, and the driving motor drives the overturning frame to overturn and enables the dispensing machine and the hot air gun to conduct solder paste dispensing and hot air solder paste melting on a chip respectively. And the chip is aligned under the action of the surface tension and wetting force of the solder paste solder, so that the correction efficiency and precision are effectively improved.

According to the tablet trepanning detection system and the control method thereof, the first trepanning detection module and the second trepanning detection module are arranged, so that the trepanning shape parameter detection process is distinguished from the trepanning position parameter detection process, the trepanning aperture parameter detection process and the trepanning radian parameter detection process; therefore, the hole shape parameter detection process of the tablet can be directly judged and determined through image detection without a complicated image processing technology and a parameter calculation and comparison process; the increase of image processing amount and parameter calculation amount caused by judgment after image processing and parameter calculation comparison are carried out on an image corresponding to each tablet trepanning parameter in a detection mode in the prior art is avoided, and the detection efficiency is effectively improved.

The invention discloses a historical track correction method and system for electric power operation positioning management and control, and the method comprises the steps: obtaining a historical track of a target object in electric power operation positioning management and control, and removing the coordinates of track points in a preset obstacle avoidance region; every two adjacent points in the track points are extracted to generate a track line segment; for each track line segment, judging whether the track line segment intersects with any preset obstacle avoidance area, if not, not correcting, and if so, extracting intersection points closest to and farthest from the starting point; according to a connecting line between the nearest intersection point and the farthest intersection point, the preset obstacle avoidance area is divided into two obstacle avoidance sub-areas, the inflection point of the outer boundary line of the obstacle avoidance sub-area with the least outer boundary line inflection point or the shortest outer boundary line inflection point serves as a supplementary point, the nearest intersection point, the supplementary point and the farthest intersection point are added between the current track line segments, and correction is completed. The method is high in efficiency and precision.

The present invention provides a permanent magnet synchronous motor parameter correction method and device based on model reference, obtaining a first dynamic parameter table, building an adjustable model according to the first dynamic parameter table; obtaining a bench calibration table, building a reference model according to the bench calibration table; selecting n number of working points, determining a first adjustment precision parameter and a first combination parameter, obtaining a first parameter of the adjustable model and a second parameter of the reference model; obtaining adjustment amount information and adjustment ratio information of each adjustable parameter in the first dynamic parameter table based on the first parameter, the second parameter, the first combination parameter and the first adjustment precision parameter; determining adjustment parameters according to optimization adjustment rules through the adjustment amount information and the adjustment ratio information, and optimizing according to the adjustment parameters. The method solves the technical problems of low efficiency and low precision in the process of permanent magnet synchronous motor parameter correction in the prior art.

A linear friction welding joint current auxiliary local shape correction method of blisk, steps are as follows: preparing shape correction equipment; measuring blisk to determine size out-of-tolerance blade; machining necking transition section at weld; sending blisk into vacuum environment device; sequentially installing single shape correction tooling and electrode at weld, electrode is connected to direct current pulse power supply; connecting cooling device; sequentially starting vacuum environment device, cooling device, direct current pulse power supply and single shape correction tooling; correcting and preserving; after shape correction stress is reduced to set value, direct current pulse power supply is turned off; cooling to normal temperature; recovering normal pressure environment, cooling device is turned off, electrode and single shape correction tooling are sequentially removed. The present application utilizes Joule heat effect and electroplastic effect generated by current through metal to realize local heating of welding joint, has directional correction ability to any specific out-of-tolerance blade, and improves shape correction efficiency; necking transition section is used to improve current density, shape correction temperature field is more concentrated, and high-precision shape correction is realized by spot cooling.

The invention relates to the technical field of bars, in particular to a bar supporting and deviation preventing device which is characterized in that correcting vertical plates are fixedly mounted on the left side and the right side of the top end of a correcting base correspondingly, a guide pipe is mounted between the two correcting vertical plates, positioning discs are mounted at the left end and the right end of the guide pipe correspondingly, and a plurality of positioning rings are uniformly and fixedly mounted at the edge ends of the two positioning discs; an adjusting disc is rotatably mounted in each positioning ring, a mounting and inserting hole is formed in one end of each adjusting disc, a plurality of sliding holes are uniformly formed in each mounting and inserting hole, a clamping inclined block and a pressure inclined block are slidably mounted in each sliding hole, and a fixing ring is fixedly mounted at one end of each adjusting disc; a pressure ring is installed on each fixing ring in a threaded mode, inclined faces are arranged on each clamping inclined block and each pressure inclined block respectively, and a correcting device is arranged on the guide pipe. According to the device, batched bars can be corrected, the clamping inclined block is driven to move through the pressure inclined block, and a good clamping and stabilizing effect on the bars can be achieved.

The present application provides an OPC correction method, device, medium, program product and terminal for a curved mask, which extracts line segment information from the original curved mask layout, and performs multiple rounds of iterative optimization on the extracted line segments based on preset judgment conditions, and finally generates an OPC-corrected curved mask. The present application effectively simplifies the layout complexity, reduces the number of line segments and vertices, thereby improving the efficiency of OPC correction and significantly improving the layout processing efficiency.

The present invention provides a method and system for warning of wrong taking or wrong placing in a drone parts warehouse, which relates to the field of intelligent warehousing technology, including acquiring real-time operation image data through an image acquisition device, collecting parts position data using a distributed sensor network, and generating a parts operation data stream through standardized processing; a deep learning recognition model identifies the operation behavior type and parts feature information, and calculates the real-time spatial position coordinates of the parts in combination with a three-dimensional spatial positioning algorithm; an early warning analysis model determines the operation intention, matches the parts information in real time, compares the three-dimensional virtual model of the warehouse, and pushes warning information and visually marks it when an erroneous operation is detected.

This utility model relates to the technical field of road construction equipment, specifically a road edge trimming machine. It includes a base, with a water tank and a lifting frame fixedly installed on the top. A lifting frame is slidably connected inside the lifting frame. A rotating arm is rotatably connected to each side of the lifting frame. A telescopic arm is slidably connected inside each rotating arm, and a rotating shaft is rotatably connected inside each telescopic arm. A cutting blade is fixedly installed on one side of the rotating shaft. The advantages of this utility model are: through the arrangement of the lifting frame, rotating arms, and telescopic arms, the position of the cutting blade can be adjusted under the drive of a first, third, and fourth motor. The two sets of cutting blades can simultaneously trim the edges on both sides of the road, thus improving trimming efficiency. Furthermore, it can be retracted when not in operation, and the combined extension and retraction of the telescopic arms with the rotation of the rotating arms further reduces the size after storage.