136results about How to "Avoid cumbersome" patented technology

The invention discloses a tight-lock coupler intelligent tensile testing machine and a testing method thereof, and belongs to the technical field of tight-lock coupler test.The tight-lock coupler intelligent tensile testing machine comprises a mounting bottom plate and an electric control cabinet, and a support for supporting a tight-lock coupler to be detected is mounted on the surface of the mounting bottom plate; a tensile connecting frame for connecting the tight-lock coupler is mounted on the surface of the bottom plate on one side of the support, an integrated design of'tensile force detection and visual detection 'is innovatively adopted, mechanical parameter acquisition and visual deformation observation are combined, traditional mechanical data such as tensile force and displacement are obtained, and visual characteristics such as fine deformation and crack initiation are captured; precise synchronization of pulling force application, displacement collection and camera shooting is achieved through the synchronous controller, the real-time corresponding relation of pulling force-displacement-visual deformation is established, the problems that an existing device is single in detection dimension and poor in data relevance are solved, and the potential quality hazard checking capacity and the persuasion of a detection result are improved.

The application belongs to the technical field of polymer material recycling, and particularly relates to a high-efficiency enzymatic hydrolysis process of polycaprolactam. The high-efficiency enzymatic hydrolysis process of polycaprolactam provided by the application comprises the steps of acid pretreatment, enzymatic catalytic depolymerization and product post-treatment. The process combines sulfuric acid and a multi-enzyme system to treat PA6 with high substrate concentration. The physical form and chemical accessibility of PA6 are significantly changed through sulfuric acid pretreatment, which creates conditions for subsequent enzymatic hydrolysis reaction, and realizes efficient, deep and green degradation of PA6.

This invention relates to a method and system for gyroscope attitude estimation and error compensation based on SO(3) complementary filtering. The method includes: establishing an attitude estimation model on the SO(3) group, representing the carrier attitude as an estimated rotation matrix satisfying orthogonal constraints, and designing a cost function that includes accelerometer and magnetometer information; collecting sensor data from the inertial measurement unit; calculating the corrected angular velocity based on the cost function and the current sensor measurement values, and converting the sensor measurement deviation into a correction amount on the SO(3) group using vector cross product operation; using the corrected angular velocity to estimate and update the gyroscope zero bias online, and performing real-time tracking and compensation for gyroscope drift; performing matrix exponential mapping operation on the compensated angular velocity using the Rodrigues formula to achieve incremental updates of the rotation matrix while maintaining SO(3) manifold constraints; and outputting the estimated attitude information and gyroscope zero bias. This invention improves numerical stability and computational accuracy.

The invention discloses an EMIR verification method and system, a computer and a storage medium. The method comprises the following steps: appointing a time sequence library file directory, an RC file path and a constraint file path when an automatic script runs; traversing a time sequence library directory through an automatic script, analyzing time sequence library files, and extracting a PVT condition and an RC model corresponding to each file; automatically classifying and mapping the extracted PVT condition and RC model according to a preset classification rule to generate a multi-process corner combination; automatically generating a multi-mode multi-corner-point MMMC configuration file according to the multi-process corner point combination, and outputting a traceable mapping list and an association table; in a chip physical implementation process, dual-stage EMIR verification is executed in a power supply planning stage and a verification stage. According to the method, the MMMC configuration file matched with the angular point is automatically analyzed based on the time sequence library, and staged EMIR verification is combined in the physical implementation process, so that the overall design efficiency and reliability are improved.

The utility model discloses a kind of cleaning devices for shock absorber spring surface treatment, it is related to shock absorber spring surface cleaning technical field, including machine case body and filter frame, the filter frame is set in the machine case body inside, and upper end extends out the machine case body, and with the machine case body movable connection.The utility model is cooperated with the use of machine case body, filter frame, partition, water shaking mechanism, auxiliary lifting mechanism, lifting assembly, limiting piece and limiting block, to some extent, it is improved or solved that existing ultrasonic cleaner is washed to shock absorber spring, spring is often disorderly stacked and easily leads to staggered winding, so that cleaning fluid is not fully permeated to gap, affect cleaning effect and subsequent pick up, and spring needs to be salvaged manually after washing, it is complicated and laborious to operate and there is security risk, at the same time, spring surface is left with a large amount of cleaning fluid, which is not easy to remove quickly, affect subsequent drying process, reduce overall cleaning efficiency.

The invention discloses a modularly-spliced movable public art landscape device, and relates to the field of public art landscapes, the public art landscape device is configured to be a landscape curtain wall with a day and night dual-mode switching function, and the landscape curtain wall comprises a wheel type movable carrying table, a storage back bin, a green plant landscape module, a water supplementing assembly and a projection module; the wheel type movable carrying platform is used for carrying the storage back bin and realizing movement and fixation; the storage back bin is of a bin body structure vertically fixed to the top face of the loading bin, and a semi-closed cavity for containing the green plant landscape module is formed in the storage back bin. The multiple sets of green plant landscape modules are distributed in the semi-closed cavity of the storage back bin in an array mode. The public art landscape device not only can present a complete green plant landscape in the daytime, but also can form a flat and continuous projection surface at night to realize laser image display, and meets the dual requirements of urban public space on the functions and attractiveness of a movable day and night dual-mode landscape curtain wall.

The application relates to a kind of annular bracket stiff concrete beam column node construction device and construction method, including beam column construction mechanism and construction driving mechanism;Beam column construction mechanism includes multiple construction frames, multiple construction frames are arranged side by side between. First gear and second gear are driven to transmit by motor, so that second gear drives rotating rod and connecting column to rotate, connecting column drives another second gear to rotate by sleeve, so that two second gears and two gear ring assemblies are driven, two gear ring assemblies can drive steel beam column to rotate by locking assembly, the surface of steel beam column can be conveniently laid on steel beam column by workman in multiple faces, avoid subsequent still need to carry out steel beam column hoisting to adjust angle and continue construction, lead to the problem of tedious, so as to improve construction efficiency;Extension assembly is connected by slider and sliding sleeve and construction frame, so that construction frame can be unfolded by extension assembly, so as to extend the support length of steel beam column.

The utility model relates to the technical field of resistance furnace devices, and discloses a high-temperature box-type resistance furnace with a waste heat recovery function, which is characterized in that the front side of a furnace body assembly is fixedly provided with a convenient door opening and closing assembly, and the top of the furnace body assembly is fixedly provided with a hot gas collecting and filtering assembly; the tail end of the hot gas collecting and filtering assembly is fixedly provided with a recycling conduction assembly, and the tail end of the recycling conduction assembly is connected to the bottom of the furnace body assembly. According to the waste heat recovery device, the recovery conduction assembly is installed on the waste heat recovery device, so that when the waste heat recovery device is used, recovered waste heat can be converted through the arranged recovery conduction assembly and conducted to the interior of the furnace body, and therefore recovered smoke heat can be transmitted to air or other media around the furnace body; therefore, the media are preheated, the preheated air or media can be used for other technological processes or enter the resistance furnace again to participate in the combustion or heating process, the energy utilization efficiency is improved, and energy consumption is reduced.

This utility model relates to the field of automotive manufacturing technology and discloses an installation and positioning structure for automotive taillights. It includes an installation housing, a fixed housing fixedly connected to the top of the installation housing, and an installation plate fixedly connected to the top of the installation housing. A sliding groove is provided on the top of the installation housing. This utility model uses a servo motor to drive the operation of a first transmission column, which in turn drives the meshing transmission of a first bevel gear and a second bevel gear, thereby achieving synchronous rotation of the second transmission column. This structural operation is further transformed into the rotation of a rotating disk, ultimately driving a moving block to slide smoothly within a limiting sleeve, allowing the insert block to accurately insert into the interior of the limiting column. This achieves rapid fixing of the taillight without the need for manual adjustment, improving installation efficiency and accuracy. Simultaneously, the cooperation between the guide block and the sliding column ensures stable insertion of the insert block, avoiding problems of insecure fixing due to shaking or errors, and enhancing the installation stability and reliability of the taillight.

This utility model discloses a two-piece diving suit, relating to the field of diving suit technology. It includes a diving suit and diving pants, both with an inner protective layer. This protective layer comprises, from the inside out, a skin-friendly layer, a carbon nanotube heating film, a graphene textile fabric, a thermal insulation layer, microcapsules, a rubber layer, an air bladder, an inner lining, a mounting groove, and an outer layer. During use, the diver quickly puts on the two-piece diving suit and diving pants via a waterproof zipper. A water-sealed collar and waist seal form a sealed protective structure. A battery then powers the carbon nanotube heating film and graphene textile fabric, generating heat. This heat, combined with the microcapsule phase change material, regulates body temperature. During diving, the skin-friendly protective layer ensures comfort, and the graphene textile fabric assists in heat conduction. This device actively combats cold water environments, solving the problem of delayed insulation caused by traditional diving suits relying on heavy, passive materials.

This invention provides a method, apparatus, device, and medium for extracting water body information based on remote sensing data, comprising: acquiring multispectral image data of a target area; constructing a water body mask image corresponding to the target area based on the multispectral image data; initializing a threshold population corresponding to the water body mask image, iteratively updating the threshold population, and determining a target segmentation threshold corresponding to the water body mask image based on the iteratively updated threshold population; generating a binary image of the water body corresponding to the target area based on the target segmentation threshold; and constructing sample data based on the binary image of the water body, so as to extract water body objects contained in the target area based on the sample data using a water body information extraction model. This invention can automatically generate high-precision sample images, thereby improving the tedious and time-consuming problems caused by manual sample annotation, improving sample annotation efficiency, and significantly improving the accuracy of water body object extraction.

The utility model provides a kind of wiring device, it is related to wiring terminal technical field, comprising: first wiring board, second wiring board and clamping assembly, first wiring board is provided with the first clamping through slot passing through its top and bottom;Second wiring board bottom is provided with the second clamping through slot corresponding with first clamping through slot;Clamping assembly includes mounting seat and the mounting cover plate being set above mounting seat, the top of mounting cover plate is provided with the through slot passing through its top and bottom and corresponding with second clamping through slot, the top of mounting seat is provided with accommodating groove, accommodating groove is provided with elastic member and the clamping piece being set in the top of elastic member, mounting gap is set between mounting seat and mounting cover plate, second wiring board is set in mounting gap.

The invention discloses a coarse-grained power utilization data non-intrusive load monitoring method and system based on a YOLO deep neural network. According to the method, an encoding mode for converting a one-dimensional power consumption time sequence into a two-dimensional load image is constructed, so that coarse-grained power consumption data can be efficiently utilized by a mature convolutional neural network and a target detection framework; a set of automatic labeling mechanism based on power change characteristics is designed, and bounding boxes and category labels required by training are generated on the premise of not depending on manual labeling; a non-intrusive load monitoring problem is uniformly modeled as a target detection task, equipment category identification and operation time interval regression are realized through YOLOv5 or an improved structure thereof, and the overall identification performance is improved; and a complete system design scheme is given. According to the invention, the data acquisition and communication cost is obviously reduced, and the system has the advantages of simple model structure, high training efficiency, easy transplantation, engineering landing and the like, and can be widely applied to scenes of energy efficiency monitoring, demand response, power consumption behavior analysis and the like of families, buildings and parks.

The present application relates to the technical field of genetic engineering, and particularly relates to a multi-target RNA targeting knockdown system and application. The present application constructs a universal multi-target RNA targeting knockdown system based on a CRISPR-CasRx (Cas13d) system, in which two crRNAs are used as the minimum unit, multiple crRNAs are integrated into a single plasmid through a GoldenGate cloning method, and the single plasmid can express multiple crRNAs, so as to realize multi-target coverage of a target sequence. In addition, the crRNA can target the target gene itself or a fluorescent marker sequence such as a GFP sequence. When targeting the fluorescent marker sequence, different crRNAs do not need to be redesigned and screened for different target genes, but the gene can be labeled with GFP, which has good universality, avoids the cumbersome process of designing and screening crRNAs, and has high knockdown efficiency.

The application discloses a robot joint protection assembly based on a foamed aluminum buffer structure and relates to the technical field of robot protection.The device ingeniously introduces passive active heat dissipation (energy-saving and high-efficiency) without additional fans or power driving, skillfully converts the motion kinetic energy of the robot into wind pressure, realizes intelligent heat management of 'heat dissipation during work and air suction during stop', effectively reduces the motor temperature, significantly prolongs the service life, and is mechanically self-cleaning and low in maintenance cost: aiming at the pain point of dust in industrial environment, full-automatic dust scraping and centrifugal dust removal are realized by using a pure mechanical structure, which not only eliminates secondary pollution caused by dust falling back, but also avoids the trouble of artificial regular disassembly and cleaning, and greatly reduces the later operation and maintenance cost.

This application provides a geological space modeling method, apparatus, electronic device, and storage medium. The method includes performing multiple rounds of geological information filtering operations on a predetermined geological space containing multiple voxels; determining multiple inferred geological information for each other voxel (excluding all partial voxels); determining the target information confidence level corresponding to the other voxels; determining whether to update the multiple inferred geological information corresponding to the other voxels; in response to determining to update the multiple inferred geological information corresponding to the other voxels, updating the multiple inferred geological information corresponding to at least one other voxel to its corresponding updated geological information based on the multiple inferred geological information corresponding to at least one other voxel, the target information confidence level, and multiple sets of geological information; and modeling the predetermined geological space based on all actual geological information, all inferred geological information, and all updated geological information, thus solving the technical problem of poor modeling accuracy of geological space in the prior art.

The present disclosure provides a transposon insertion marker specific to tropical japonica rice and its application. First, the insertion site of the transposon insertion marker specific to tropical japonica rice is located between the 20,300,698th and 20,300,699th nucleotides of chromosome 5 of the Nipponbare reference genome of version IRGSP-1.0; the variety of tropical japonica rice contains a 140 bp long transposon insertion at the insertion site, while the varieties of other rice groups do not contain the transposon insertion. Further, the above transposon insertion marker is provided for identifying tropical japonica rice. The transposon insertion marker specific to tropical japonica rice has important application value in precise identification of rice groups, classification of germplasm resources, screening of breeding materials, purity detection of hybrid rice germplasm, etc., and can significantly improve the efficiency of molecular marker assisted selection and shorten the breeding cycle.

This invention relates to the field of database testing technology and discloses a database fuzzing method based on copy-on-write. The method includes: initializing a persistent layer to obtain a baseline storage state; creating a temporary layer and associating it with the persistent layer to form a union storage view; during test case execution, redirecting write operations to the temporary layer via copy-on-write, while read operations are read from either the temporary or persistent layer depending on whether the data exists; after testing, deleting and rebuilding the temporary layer to quickly restore the initial state; and repeating this process until all test cases are completed. This application constructs a two-layer storage structure consisting of a persistent layer and a temporary layer, recording all test changes in the temporary layer. After testing, only deleting and rebuilding the temporary layer is needed to quickly reset the repository, avoiding a complete initialization process and significantly improving the efficiency of database fuzzing.

The invention relates to a receiving and sending standard information determination method and device, computer equipment, a computer readable storage medium and a computer program product, and can be applied to the technical field of computers. The method comprises the following steps: selecting target attribute information matched with attribute information of a to-be-sent object from attribute information of a preset object; determining target receiving and sending standard text information corresponding to the target attribute information according to a mapping relationship between the attribute information of the preset object and preset receiving and sending standard text information; and determining target receiving and sending standard information of the object to be sent according to the target receiving and sending standard text information. By adopting the method, the efficiency of determining the receiving and sending standard information can be improved.

This utility model relates to the field of pipeline repair technology in machine repair workshops, and particularly to a jack-type pipe clamp. The jack-type pipe clamp includes: a receiving plate, a limiting ring, a spring assembly, a sliding rod, and a support assembly. The top of the receiving plate has a groove, and a control panel is installed on one side of the top of the receiving plate. A fixing ring is fixedly connected to the bottom of the receiving plate, and multiple clamping heads are slidably connected to the top of the fixing ring. A fixing rod is fixedly connected to the top of each clamping head. A rotating ring is rotatably connected to the top of the receiving plate, and the inner ring of the rotating ring has a rotating groove. Multiple arc-shaped grooves are formed inside the rotating ring, and a worm gear is fixedly connected to the outside of the rotating ring. This utility model utilizes a spring assembly composed of a sliding rod, a limiting plate, and a spring to automatically and flexibly clamp and position the pipe, ensuring that the pipe is accurately positioned in the center of the clamping head. This avoids the tediousness and errors of manual adjustment, improves the accuracy and efficiency of positioning, and increases the speed and efficiency of pipe clamping operations.

The application discloses a kind of regional terrain elevation quick measurement methods, it is related to elevation measurement technical field, the method comprises the following steps: S01, laser level is arranged in the measurement area, and ensure that its plane light energy covers the high point and low point of measurement area;S02, rough adjustment and fine adjustment are carried out to laser level using standard gauge, so that the leveling error is less than 1mm;S03, handheld measuring rod is placed in known elevation reference point, the current elevation reference point is input by digital keyboard and the first button is pressed for a long time to complete reference value conversion;S04, the region to be measured is divided into multiple measurement sections, and the number of measuring points and measurement interval of each section are determined, and after the parameters are input into computer, measurement bridge is built for measurement.The application realizes that only one person is needed to operate to quickly and accurately complete the regional terrain elevation automation measurement, significantly improves efficiency and reduces human error.

The invention provides a clamping device for stamping die machining, which is applied to the technical field of stamping equipment, and comprises a lower die holder, a carrying plate and a clamping assembly, the lower die holder is provided with an accommodating groove, and the size of the accommodating groove is larger than that of a workpiece; the number of the clamping assemblies is at least two, and each clamping assembly comprises a first sliding block, a clamping piece, a base and a push block. The loading plate and the pushing block are both connected with the lifting plate, the pushing block is in driving fit with the clamping assembly, and the loading plate is arranged in the containing groove of the lower die base; when the lifting plate moves downwards, the pushing block drives the clamping assembly to move towards the center to clamp a workpiece, and meanwhile, the carrying plate moves downwards to give way; when the lifting plate moves upwards, the pushing block enables the clamping assembly to loosen the workpiece, and meanwhile the carrying plate moves upwards to eject the workpiece out of the containing groove. Mechanical linkage of the clamping function and the material ejecting function is achieved, the equipment structure is simplified, the convenience and safety of feeding and discharging are improved, the requirement for the workpiece placing precision is low, and the device is suitable for machining of various stamping parts.

The application relates to an automatic sludge storage hopper for a filter press, which comprises a frame body provided with a chamber type pressure machine, a sludge storage hopper arranged below the frame body, and a sludge discharge hopper arranged on the frame body, wherein the chamber type pressure machine, the sludge discharge hopper and the sludge storage hopper are sequentially arranged from top to bottom; a guide plate is arranged in the sludge storage hopper, the guide plate is provided with a gap, a pulverizer is arranged in the gap, the pulverizer is used for crushing filter cake, a conveying part is arranged below the guide plate in the sludge storage hopper, and a discharge valve is connected to the bottom of the sludge storage hopper; the application can integrate the guiding, crushing and conveying functions of the filter cake, avoids the complicated process of needing multiple independent devices and frequently transferring the filter cake in the traditional treatment mode, the filter cake is directly guided, crushed and conveyed in sequence after being discharged from the chamber type pressure machine, the treatment time is greatly shortened, and the overall treatment efficiency is improved.

The utility model relates to screen test field, specifically disclose a TFT screen general test drive board, including main PCB board, power interface, core processor, image signal generating unit, multiple different types's FPC connector seat, programmable interface switching circuit, function button group and state indicating unit, multiple different types's FPC connector seat connects the TFT screen of different interface specification, programmable interface switching circuit input end connects image signal generating unit, and multiple output ends are connected to the pin of multiple FPC connector seat respectively, are used for dynamic configuration signal mapping relation, the utility model discloses through integrating multiple different types FPC connector with programmable interface switching circuit, so that single drive board can intelligent adaptation different model TFT screen, has promoted test universality and efficiency, avoided the cost and tedious of frequent replacement special drive board, reduced the storage and management expense, and the test pattern has strengthened the reliability, has expanded the application flexibility, and the comprehensive economic benefit is remarkable.

According to the machine defect trend and historical action rapid query method and device, the medium, the program product and the terminal, integrated query and analysis functions are provided, and the machine management and fault handling capacity is remarkably improved. A user can easily inquire detailed actions and states of a machine and obtain a closed-loop result of a case so as to evaluate the effect of improvement measures, and all information is presented through a visual chart. The machine state chart and defect data analysis are integrated, a user can comprehensively understand the historical operation condition of the machine, identify abnormal reasons and effective countermeasures, and provide a basis for quick response, so that the wafer influence quantity is reduced, and the yield fluctuation is controlled. And real-time and historical data query is supported, so that the working efficiency is greatly improved, and the problems of low speed and tedious process of manual query are avoided. Meanwhile, the database comprehensively records detailed action information of the machine, data incompleteness is overcome, and a user can analyze defect distribution and directivity problems in a specific time period.

The utility model relates to a kind of guiding frame for yarn, comprising: frame, installation cavity is formed, the layer frame is equipped in the installation cavity;Shunt plate, be located in the frame and with the layer frame interval setting, multiple first sub-plate are provided on the shunt plate, and multiple second sub-plate corresponding to multiple first sub-plate, to form shunt hole by the first sub-plate and the second sub-plate mutual cooperation;Adjusting part, the shunt plate is equipped with installation groove, the adjusting part is slidably equipped in the installation groove, and is connected multiple second sub-plate.The utility model forms the shunt hole that can be opened and closed by first sub-plate and second sub-plate cooperation, user can realize the introduction of yarn when first sub-plate and second sub-plate separate, to simplify threading operation process;And second sub-plate realizes integrated sliding drive by adjusting part, user can control the opening and closing of multiple shunt holes simultaneously by adjusting part, further improve threading efficiency.

The utility model discloses an injection molding machine hopper convenient to disassemble and clean, and belongs to the field of injection molding machines, the hopper comprises an annular frame used for communicating with the feeding end of an injection molding machine and a hopper body communicating with the annular frame, the top of the annular frame is fixedly sleeved with a first annular plate, and the bottom of the hopper body is fixedly sleeved with a second annular plate; the first annular plate and the second annular plate are detachably connected through a connecting assembly; the connecting assembly comprises a threaded rod hinged to the first annular plate, a clamping groove formed in the second annular plate and used for being connected with the threaded rod in a clamped mode, and a threaded sleeve plate arranged on the threaded rod in a threaded and sleeving mode. By arranging the connecting assembly composed of the threaded rod, the clamping groove and the threaded sleeve plate, detachable connection between the annular frame and the hopper body is achieved. By means of the design, the tedious process that traditional fixed connection needs to be disassembled with the help of tools is avoided, an operator only needs to rotate the threaded sleeve plate to quickly complete installation and disassembly of the hopper body, the disassembly time is shortened, and the equipment maintenance efficiency is remarkably improved.

The utility model belongs to the technical field of cleaning appliances, and particularly relates to a cleaning piece and a cleaning set. The cleaning piece comprises a base material layer, a covering layer and a dust removal fiber layer which are laminated to form a laminated pattern, and a retaining channel is reserved for the insertion strip of the operating handle to insert. The cleaning piece has a full-size state and a half-size state, the cleaning piece is kept unfolded in the full-size state, and a channel is kept through to be matched with a full-size insertion strip, so that the cleaning piece is suitable for large-area cleaning; in the half-size state, the front area is folded backwards to be overlapped with the rear area, the front area is kept by fixing structures such as adhesive pieces, hook-and-loop fasteners or hooks, the cut-off keeping channel is matched with the half-size inserting strip, and fine cleaning of the small area is facilitated. The cleaning set comprises a plurality of cleaning pieces, a full-size operating handle and a half-size operating handle, can be selectively assembled according to scenes, has flexibility, high efficiency and durability, reduces the use cost, and meets the cleaning requirements of families, offices and other scenes.

The invention relates to the technical field of building punching equipment, in particular to a lifting type punching device for high-altitude drilling, which comprises a base, four rollers are arranged on the lower side of the base, a supporting pipe is fixedly mounted in the center of the upper end face of the base, a sliding rod is slidably mounted on the inner wall of the supporting pipe, and the sections of the supporting pipe and the sliding rod are rectangular. The electric drill is arranged on the supporting rod, accurate lifting of the electric drill in the vertical direction is achieved by means of sliding connection between the sliding rod and the supporting pipe and stable thrust provided by the feeding unit, the percent of pass of follow-up anchor bolt installation is further improved, meanwhile, the electric drill is arranged on the supporting rod in a sliding mode, and meanwhile the machining efficiency is improved. Four rollers are arranged on the lower side of the base of the device, so that the transfer efficiency of the device is improved, the working efficiency is improved, the labor intensity is reduced, a storage battery is adopted as a power supply, the complexity of continuously changing the power supply wiring position in the working process is avoided, and the safety risk of operators is further reduced.

The invention discloses an input control method and device and input equipment, the method is applied to the input equipment, the input equipment comprises at least one set function key, each set function key corresponds to a unique function key identifier, and the method comprises the following steps: responding to a detected first key operation of the set function key; obtaining a function key identifier of the triggered set function key, and activating a position memory mode corresponding to the function key identifier; in the position memory mode, by taking a cursor position when the position memory mode is activated as a reference position, acquiring movement data generated by movement of the input equipment relative to the reference position, and performing reverse accumulation operation on the movement data to generate a homing vector corresponding to the function key identifier, the homing vector is used for controlling a cursor of the input equipment to jump to the reference position. According to the method and the device, rapid and accurate cursor position memory and one-key reset functions are realized.