31results about How to "Achieve precise positioning" patented technology

The application discloses a group positioning method, device and communication equipment, and belongs to the technical field of wireless communication. The group positioning method comprises the following steps: a first communication equipment acquires position-related information of each communication equipment in a positioning group and a first propagation time delay difference quantity; and the first communication equipment determines target position information of a target reflector according to the position-related information and the first propagation time delay difference quantity. The positioning group comprises M communication equipments including the first communication equipment, the number of the first propagation time delay difference quantity is N, one first propagation time delay difference quantity is a propagation time delay difference quantity of a propagation path between any two communication equipments in the positioning group, the propagation path is a path reflected by the target reflector, different first propagation time delay difference quantities correspond to two communication equipments in the positioning group, and the two communication equipments are not completely the same. N and M are positive integers, and M is greater than or equal to N and N is greater than or equal to 3.

A simulation method and related equipment for machining process training are disclosed. The method includes: acquiring engineering data and process data of the target workpiece; extracting features from the engineering data and combining them with the process data to construct a case resource library; performing semantic association analysis between the pre-set knowledge resource library and the machining cases in the case resource library to generate a process knowledge network; constructing a virtual training environment based on the process knowledge network; collecting interaction data of learners in the virtual training environment and evaluating the interaction data to obtain evaluation results; and generating guidance animations based on the evaluation results and the process knowledge network. This application can improve the learning efficiency of simulation training.

This application relates to the field of escalator technology, and in particular to an escalator step missing detection device, including an escalator body, escalator steps arranged on the inner side of the escalator body, and a fixed inner cavity opened on the inner side of the escalator body. A fixed box is fixedly connected to the inner side of the fixed inner cavity near the side of the escalator step. Through several sets of guide holes, sliding bases and corresponding auxiliary rollers arranged at equal intervals on the outer side of the fixed box, detection can be performed simultaneously at multiple different positions of the escalator steps, with a wide coverage range, effectively avoiding omissions in single-point detection, and improving the comprehensiveness and accuracy of step missing detection. Each set of sliding bases, conductive springs and conductive contacts independently corresponds to a specific step position. When a step is missing, only the conductive spring at the corresponding position contacts and conducts electricity, thereby triggering different states of the alarm light, realizing the precise location of the missing step, facilitating rapid troubleshooting and maintenance.

The application provides a mobile high-speed railway lubricating and wear-reducing device and a mobile high-speed railway lubricating and wear-reducing system. The mobile high-speed railway lubricating and wear-reducing device comprises a walking support assembly, an adjusting assembly and a coating assembly. The adjusting assembly has a first driving part and an elastic adjusting part. One end of the elastic adjusting part is in abutment with a secondary support part. The coating assembly is connected to a primary support part at a first preset angle through a mounting member, and the mounting member can adjust the position of the coating assembly in the vertical direction. The total length of the primary support part and the secondary support part is adapted to the width of the track by using the adjusting assembly, that is, the width direction is adjusted and limited. The height direction of the coating assembly is adjusted by using the mounting member, so that the output end of the coating assembly corresponds to the position to be coated, that is, the height direction is adjusted and limited. The application realizes accurate positioning of the position to be coated by adjusting and limiting the height direction of the coating assembly and adjusting and limiting the width direction.

The application discloses a kind of laser cutting platform for equipment metal accessory processing, it is related to metal accessory processing technical field, including upper frame and lower frame, the inside of upper frame is provided with placing disc, and the bottom of placing disc is equipped with adjusting assembly for assisting the cutting of inclination angle, the adjusting assembly includes ball shaft, ball sleeve, threaded rod, outer screw, link disc, servo motor one, driving gear and transmission gear, and ball sleeve is rotatably installed at the bottom of ball shaft, the bottom of ball sleeve is rotatably provided with threaded rod, and the outer surface of threaded rod is screw-mounted with outer screw, the bottom of outer screw is provided with transmission gear, and driving gear is engagedly installed on one side of transmission gear.The laser cutting platform for equipment metal accessory processing is integrally arranged with the lower frame by link disc, and support column is symmetrically distributed, and the stable transmission of servo motor two and connecting shaft in cooperation with driving assembly can drive the stable rotation of placing disc, to realize the accurate positioning of workpiece circumferential direction.

The application relates to a clamping mechanism and a clamping device, the clamping mechanism comprising a clamping seat, a clamping assembly, a limiting piece and a sensing assembly, the clamping assembly comprising a fixed clamping piece, a movable clamping piece and a clamping driving piece, the fixed clamping piece being fixedly arranged on one side of the clamping seat, the movable clamping piece being movably arranged on one side of the clamping seat and oppositely arranged with the fixed clamping piece, the clamping driving piece being arranged on the clamping seat and being drivingly connected with the movable clamping piece, the limiting piece being arranged on the clamping seat and being located between the movable clamping piece and the fixed clamping piece, and the sensing assembly being arranged on the clamping seat and being located between the movable clamping piece and the fixed clamping piece. The clamping mechanism can clamp a workpiece by the movable clamping piece and the fixed clamping piece, the position of the workpiece can be limited by the limiting piece before clamping, accurate positioning of the workpiece can be realized, the movable clamping piece and the fixed clamping piece can accurately grab the workpiece, and the sensing assembly can abut against the workpiece after limiting, so that whether the workpiece is grabbed can be detected, and the movable clamping piece and the fixed clamping piece can be prevented from grabbing the workpiece.

The application belongs to the field of track assembly and relates to a positioning mechanism for assembly, which is used for positioning a plurality of products arranged in a straight line. The positioning mechanism comprises a bottom base plate, a locking piece and a correcting piece. The bottom base plate has a front surface and a back surface. The back surface is configured to be connected with the ground in a positioning mode, and the front surface is configured to support the splicing ends of two adjacent products. The positioning mechanism can quickly realize accurate positioning of the products through cooperation of the locking piece and the correcting piece, so that the positioning operation can be quickly realized when the products are spliced. In addition, the splicing accuracy of the two products can be ensured through the correcting piece. Once position deviation occurs after splicing, the correcting piece can be used for re-correction, and the efficiency is high and the maintenance difficulty is low.

The application relates to the technical field of intelligent fault diagnosis, and discloses an intelligent fault diagnosis method and system for an agricultural tractor engine, the method comprising the following steps: collecting vibration, temperature and rotating speed original operation parameters of key positions of the tractor engine, obtaining a denoising parameter sequence through multi-point synchronous collection and denoising treatment; extracting time sequence characteristic analysis parameters to analyze parameter change trends, triggering abnormal detection when the parameters exceed a preset threshold value, and determining local abnormal components of the engine; combining a historical fault database to perform component fault potential correlation analysis and generate a cause distribution diagram, matching real-time correlation data to locate implicit damage components; adjusting engine load parameters, synchronously updating a fault library and optimizing fault matching rules, and generating fault diagnosis basis suitable for a current working environment. The method can realize accurate diagnosis, early warning and closed-loop self-optimization of diagnosis rules of engine faults under complex working conditions.

The utility model relates to a kind of welding tool, belong to the technical field of manifold welding processing, specifically disclose a kind of air conditioner manifold high-frequency welding tool, including pedestal, in the pedestal welding platform edge of one end of extension is fixed with the clamping mechanism for positioning main pipeline, clamping mechanism includes the clamping part of U type placement slot being opened and the clamping piece for being used to the main pipeline fixed in U type placement slot, in clamping mechanism top is equipped with the inductive coil of high-frequency welding machine;Positioning mechanism for limiting the axial placement position of main pipeline and branch pipe positioning tool for limiting the free end position of branch pipe are further provided on pedestal.The utility model structure is simple, open type clamping mechanism can be quickly positioned to pipeline, suitable for welding main pipeline longer or main pipeline one end is non-linear tubular manifold.

The application discloses a fault root cause positioning method and system based on PLC log deep mining, which decomposes original PLC logs into continuous data streams and discrete event streams through a heterogeneous data shunting mechanism. A time series convolution network is used to capture the time series dynamic changes of high-frequency analog data, and a Transformer encoder is used to extract the semantic logical association of asynchronous discrete events, thereby avoiding the loss of time series accuracy and semantic confusion caused by forced time alignment. On this basis, a multi-level attention fusion mechanism is introduced to preserve the characteristics of each mode while realizing deep interaction and alignment of cross-modal features, and a unified feature representation containing rich space-time dependencies is constructed. The method effectively solves the technical problem of deep fusion of heterogeneous asynchronous data in industrial scenes, and realizes accurate positioning of fault root causes and visualization of fault propagation path.

The present application belongs to the field of bridge construction technology, and relates to a precise positioning construction method for gravity anchor prestressed pipe. The method comprises the following steps: construction preparation; anchor block foundation pouring and positioning frame manufacturing (including rear anchor chamber support frame and positioning frame); setting out the rear anchor chamber and installing the rear anchor chamber support frame; positioning frame manufacturing and installation; setting out the rear anchor surface slot and installation; positioning the special point in the frame body; installation of the prestressed pipe; precise adjustment of the position of the prestressed pipe; concrete pouring; and concrete curing (with the increase of the layer number, the steps from the third step are repeated until the pouring is completed. The present application ensures the balanced stress of the main cable of the suspension bridge, and the stable distribution and overall stability of the internal stress of the gravity anchor anchorage.

This utility model relates to the field of artificial turf technology and discloses an artificial turf positioning and cutting device, including an operating table. Two parallel guide rails are mounted on the operating table, and a support frame and a mounting frame are slidably connected to the guide rails. A pressing mechanism for pressing and positioning the artificial turf is installed inside the support frame. Fixed seats are fixedly connected to both sides of the upper end of the mounting frame, and a lead screw is rotatably connected between the two fixed seats. A movable seat is threaded onto the lead screw, and the lower end of the movable seat passes through a groove opened on the support frame. A mounting plate is fixedly connected to the lower end of the movable seat, and a cutting blade is mounted on the mounting plate. This utility model solves the problems of operators being unable to press the artificial turf during cutting, leading to easy deviation, and the tendency for uneven cuts to result from hand tremors, pulling forces, and external forces.

The utility model discloses a single crystal furnace heat field furnace bottom fixed felt, including fixed felt body, the recess is passed through and is equipped with exhaust hole, electrode through -hole and the through -hole of supporting rod in the recess, and the recess top surface is evenly spaced and is equipped with a plurality of guide grooves, and the recess lateral wall is equipped with a plurality of and communicates with the guide groove one -to -one and limit slot, the recess is detachably connected with the heat preservation bucket, and the heat preservation bucket outer wall bottom end is fixedly connected with a plurality of and the guide groove, limit slot adaptation joint's joint block, the fixed felt body top surface is provided with fixed component, and fixed component is used for the limit fixed joint block. The utility model can improve the connection strength with the heat preservation bucket, and the accurate positioning of heat preservation bucket in multiple directions improves the reliability and stability of heat preservation bucket installation, guarantees the stability of single crystal furnace heat field system, and provides more stable heat environment for single crystal silicon growth.

This application relates to the field of handwriting evaluation technology, and provides a multimodal method and related equipment for evaluating the quality of Chinese character handwriting. The method includes: acquiring pen tip data at multiple time points during the Chinese character writing process and obtaining writing result images; defining multiple stroke nodes based on all pen tip data; extracting multiple structural nodes from the writing result images and constructing a character structure diagram based on all structural nodes; establishing an alignment model based on all stroke nodes and the character structure diagram; extracting feature representations of the Chinese character writing process based on the alignment model, and evaluating based on these feature representations to obtain the handwriting quality evaluation result. The method of this application can improve the reliability and interpretability of handwriting quality evaluation.

The application relates to an assembled house building construction steel structure connecting joint, which comprises a mounting frame, a plurality of connecting seats are circumferentially arranged on the outer side wall of the mounting frame, a cross beam frame is arranged on the side, away from the mounting frame, of the connecting seat, a limiting clamping plate is arranged on the side wall of the connecting seat facing the cross beam frame, a clamping groove is arranged on the limiting clamping plate, a supporting plate extending to the lower side of the limiting clamping plate is further arranged on the connecting seat; a plug-in plate for being inserted into the clamping groove from top to bottom is arranged on the cross beam frame, the plug-in plate is arranged on the supporting plate; first mounting holes in opposite arrangement are penetrated through the limiting clamping plate and the plug-in plate, first fasteners are arranged in the first mounting holes, and the limiting clamping plate and the plug-in plate are connected and fixed through the first fasteners. The application has the effects of being capable of ensuring accurate alignment of various prefabricated components, shortening the period of adjustment and correction, and improving the construction efficiency.

The utility model relates to tire backing cloth cutting technical field, in general, relate to a kind of tire backing cloth cutting device of adaptive orientation positioning, including support frame, transmission component, portal frame, second motor, first bevel gear and bidirectional screw rod etc., transmission component is installed in support frame top left side, support frame top middle is fixedly connected with portal frame, portal frame top middle is fixedly connected with second motor, the output shaft of second motor is inserted into portal frame and is connected with first bevel gear, bidirectional screw rod is rotatably connected in portal frame inner upper portion.The utility model is through the linkage structure of second motor, first bevel gear, second bevel gear, bidirectional screw rod and sliding plate, second motor drives first bevel gear and second bevel gear drive bidirectional screw rod rotation, make sliding plate drive guide roller clamping backing cloth of different width, realize adaptive orientation positioning.

The utility model discloses a kind of powder double feeding devices.Wherein, including: rack, the upper cover of the rack is equipped with sealing cover, the lower end of the rack is fixed with discharge hopper, the one end of the sealing cover is equipped with the vacuum feeding machine of discharge hopper intercommunication;The discharge platform of the rack is provided along its length direction extension, the orthographic projection area of the sealing cover covers part discharge platform, and the discharge platform one end is connected with discharge hopper, the one end of the sealing cover is formed with the inlet for exposing discharge platform;It further includes the push plate that can move forward and backward, the one end of the push plate is equipped with the drive device that makes it action;By moving push plate, material is pushed into discharge hopper;Realized double mode feeding function.When vacuum feeding machine normal work, system can automatically complete powder delivery;When vacuum feeding machine fails, material can be manually or semi-automatically pushed into discharge hopper by push plate, as standby feeding mode.

The application discloses an automatic pipe storage method and device, and relates to the technical field of oil and gas exploitation supporting equipment. The automatic pipe storage method comprises the following steps: step 1, two storage racks are horizontally moved to a working position with a certain distance; step 2, the storage racks are rotated so that the continuous feeding storage mechanisms on the two storage racks are turned to the inner side and oppositely arranged; step 3, a manipulator carries a pipe column to the continuous feeding storage mechanism; step 4, the continuous feeding storage mechanism transports the pipe column from one side of the storage rack to the other side; step 5, steps 3 and 4 are repeated until the pipe column is placed or the oil pipe is fully placed in the pipe storage mechanism; and step 6, after the oil pipes on the pipe storage mechanism are all removed, the storage racks are rotated to be parallel to the bottom frame, and the distance between the two is reset to the storage position. The application is convenient for storage and transportation of pipe columns with different sizes, and the cooperation of the carrying manipulator and the continuous feeding storage mechanism improves the continuity and operation efficiency of the automatic pipe storage operation.

The utility model relates to the technical field of machining, and specifically is a multi-station machining rotary workbench, including the rotary table, the rotary table is set up the cuboid structure, four faces of rotary table all are established with the slide groove and the mounting groove, the inside communication of slide groove and mounting groove, the mounting groove is used for the installation insertion of limiting plate and support station, the inside of slide groove is used for the sliding of limiting plate and support station, and the bottom end of support station is fixedly connected with the top end of limiting plate, and the top end of support station is installed with the fixture. The through design of rotary table through the slide groove and the mounting groove combines the inverted T slide groove structure, allows limiting plate and support station to be perpendicular to insert along the slide groove and to slide freely, realizes the quick installation and position adjustment of fixture, the clamping groove of interval distribution on the clamping strip of slide groove both sides and the magnetic locking of limiting strip can realize the accurate positioning of multiple preset stations, the design makes the equipment can simultaneously adapt to the machining demand of multiple specifications of workpieces, greatly shortens the time of changing dress, and promotes the multi-process continuous operation efficiency.

This invention relates to the field of permanent magnet motor design and optimization technology, specifically a high-efficiency integrated permanent magnet rotor magnetic circuit optimization design system, comprising: a configuration module, a topology generation module, an analytical calculation module, an index evaluation module, a parameter analysis module, and a scheme output module. The system generates multiple candidate magnetic circuit schemes based on initial parameters and performs rapid magnetic field analysis and comprehensive performance scoring using the equivalent magnetic circuit method. The parameter analysis module performs parameter perturbation analysis on the preferred schemes, accurately identifying the key design variables that have the most significant impact on performance; the scheme output module then iteratively optimizes these sensitive variables as the main optimization objects. This technical solution transforms traditional high-dimensional global optimization into low-dimensional directional search targeting key variables, reducing computational complexity and optimization time, effectively improving the efficiency and accuracy of permanent magnet motor rotor magnetic circuit design, and ultimately outputting optimal configuration parameters and a complete magnetic circuit design model.

The application relates to the field of 3D printing technology, in particular to a 3D printing device which comprises a base, a frame arranged on the base, a workbench arranged on the frame, a three-dimensional movement mechanism arranged on the frame, a driving mechanism arranged on the frame and a transmission mechanism arranged on the frame and connected with the three-dimensional movement mechanism and the driving mechanism. The transmission mechanism can buffer the impact through a conveying belt, so that the influence of the impact is slowed down, and the normal operation of the mechanical equipment is protected.

The application discloses a breast tumor puncture path planning method and system. First, a target image is collected, and region segmentation is performed on the target image to obtain a breast contour image; then, three-dimensional reconstruction is performed on the breast contour image to obtain a breast three-dimensional image; the breast three-dimensional image is input into a pre-constructed hybrid adaptive attention model to extract a breast tumor lesion area; then, the breast area is modeled as a weighted graph, a tumor lesion target node and a starting node are taken as two endpoints, and a puncture path is planned by comparing distance values between adjacent nodes, so that accurate positioning of the breast tumor and accurate planning of the puncture path are realized.

The utility model discloses a kind of alkali water electrolytic cell polar plate insulating coating peeling early warning system, including the flexible grid pressure-sensitive resistance film pre-buried in polar plate outer edge surface insulating coating, the optical fiber sensor pre-buried in polar plate outer edge surface insulating coating, resistance value data acquisition module, optical signal data acquisition module, optical signal data of optical fiber sensor and the monitoring early warning system containing analysis and alarm module, monitoring early warning system is according to resistance value data and optical signal data analysis and judge whether coating peeling condition occurs, and alarm signal is sent when coating peeling;Flexible grid pressure-sensitive resistance film is connected resistance value data acquisition module by resistance data lead-out wire, optical fiber sensor is connected optical signal data acquisition module by optical signal data lead-out wire, resistance value data acquisition module, optical signal data acquisition module are respectively connected monitoring early warning system.The utility model realizes the on-line real-time monitoring and initiative early warning of electrolytic cell polar plate insulating coating state.

This utility model provides a steel-concrete composite beam jacking construction structure, effectively solving the problems of difficult control of the welding precision of the support plate, cumbersome support plate fixing method, and inconvenience for splicing in the prior art. The technical solution includes a rectangular tube fixed to the bridge deck. A vertical groove is opened on the front side wall of the rectangular tube. Inside the rectangular tube is a block that fits snugly and cannot move. A rectangular plate is fixed to the front end of the block. The rectangular plate extends forward through the vertical groove, and the lower edge of the rectangular plate is flush with the bridge deck. The block has a first insertion hole in the left and right directions. The side wall of the rectangular tube has holes corresponding to the first insertion holes. Insert strips are inserted into the first insertion holes to fix the block inside the rectangular tube. This utility model has an ingenious structure, using prefabricated components to fix the traditional fixed support plate, which can be quickly installed on site, standardized operation, and can achieve precise positioning of the support plate, ensuring that the lower edge of the support plate is flush with the bridge deck.

The present application discloses a sucker rod string suspension device for a pumping unit, belonging to the technical field of pumping units. It includes a suspension device body, and the suspension device body includes a first clamping block and a second clamping block, which are spliced and connected. By adding wear-resistant pads, this suspension device effectively prevents the sliding and wear of the steel wire rope inside the suspension device, ensuring the reliability and safety of the connection between the steel wire rope and the suspension device body. During the installation process, the levelness of the suspension device can be ensured, the installation accuracy can be improved, and the adjustment and installation are convenient. By setting a locator and a buffer mechanism, precise positioning of the U-shaped lock seat can be achieved, and it can play a buffering role when the suspension device is impacted, effectively reducing the damage of the impact force to the suspension device and the polished rod, and extending the service life of the equipment. By installing a pressure sensor at the bottom of the U-shaped lock seat, the pressure change inside the suspension device can be monitored in real time, facilitating the discovery of potential problems and timely handling, and improving the safety and reliability of the equipment.