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23results about How to "Accurate positioning accuracy" patented technology
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Grease liquoring machine for sintering pallet and control method and control system of grease liquoring machine
PendingCN119468014AGuaranteed uptimeImprove sintering efficiencyValve arrangementsSignal processingControl systemMechanical engineering
The invention belongs to the technical field of sintering pallet fat liquoring, and particularly relates to a sintering pallet fat liquoring machine and a control method and a control system thereof, the sintering pallet fat liquoring machine comprises a follow-up car which is used for running in parallel with a sintering pallet and can run in a reciprocating mode, and an oil injection module is installed on the follow-up car; the control method comprises the following steps: S1, the positioning rudder is standby; s2, wheels of the sintering pallet are captured; s3, the follow-up car follows; s4, the oil injection gun is operated; s5, oil injection; s6, the oil injection gun is separated; and S7, resetting the positioning rudder. According to the automatic grease adding device, automatic grease adding and lubrication of the wheels of the sintering pallet in time under the non-stop state are achieved, the sintering efficiency is improved, manpower is liberated, normal operation of the sintering pallet is guaranteed, and the automatic grease adding device has very important significance for solving the grease adding problem of an existing pallet.
Owner:ZHONGYE-CHANGTIAN INT ENG CO LTD
Welding device for longitudinal seam of steel pipe
ActiveCN119304490AImprove stabilityreduce investmentWelding/cutting auxillary devicesAuxillary welding devicesSeam weldingPipe
The invention relates to a longitudinal seam welding device for a steel pipe, and belongs to the technical field of welding devices. Comprising an operation table, two rails are symmetrically arranged on the edges of the two sides of the top of the operation table, the same portal frame is arranged on the two rails in a sliding mode, and a welding gun used for welding a longitudinal seam of a steel pipe is arranged at the bottom of the portal frame. By arranging the alignment supporting mechanism, the semi-circular steel pipes can be directly aligned, supported and placed, the investment of equipment is saved, the butt joint efficiency is improved, and operation is simpler and more convenient; by arranging the positioning mechanism, not only can the port position of the steel pipe be aligned and adjusted, but also the lower longitudinal seam position can be pressed and positioned, so that the welding stability of the steel pipe is improved; and meanwhile, the effect of automatically stopping rotation of the steel pipe can be achieved, the subsequent manual adjustment time is shortened, the positioning precision is more accurate, the automation degree is further improved, and therefore the working efficiency is improved.
Owner:GUANGDONG XINYUAN STEEL PIPE MFG CO LTD
Method for acquiring key attributes of canopy trees based on oblique photography of unmanned aerial vehicle
ActiveCN119445413Aimprove acquisitionno security riskImage enhancementImage analysisUncrewed vehicleEngineering
A method for obtaining key attributes of canopy trees based on unmanned aerial vehicle oblique photography relates to the field of image data processing, and comprises the following steps: S1, unmanned aerial vehicle oblique photography, S2, DSM data splicing, S3, DEM data obtaining, S4, data processing, and S5, forest key factor extraction. According to the method, a large area can be covered in a short time, the image data of the forest trees can be rapidly collected, indoor data analysis is carried out, key attribute elements of the trees are obtained, the cost is only one tenth of that of traditional manual investigation, and almost no personnel safety risk exists. And simultaneously. Position signals are obtained in the air, the positioning precision is high, the tree tip position is recognized through an algorithm, the geographic coordinates and the height of the tree are obtained, and the data precision is high; image data are collected through different angles such as inclination, the tree height and crown breadth are identified through an algorithm, manual intervention is greatly reduced, and the investigation efficiency and precision are improved.
Owner:GUANGDONG ACAD OF FORESTRY
Mask manufacturing method and exposure system
ActiveCN120802572BAccurate positioning accuracyReduced alignment accuracyPhotomechanical exposure apparatusMicrolithography exposure apparatusGraphicsExposure
The application discloses a method for manufacturing a mask, comprising the following steps: exposing a material belt to obtain a first belt segment with a plurality of first patterns, wherein the material belt comprises a belt-shaped foil and a photoresist layer formed on the surface of the belt-shaped foil, there is a spacing area between two adjacent first patterns, and the first pattern comprises a plurality of mother mark patterns and a plurality of pixel hole patterns; and exposing a plurality of spacing areas in sequence by a processor controlling a laser to set a path, to obtain a second belt segment with a plurality of second patterns, wherein the set path matches a set pattern in the processor, the second pattern comprises a plurality of sub-mark patterns corresponding to the plurality of mother mark patterns, and an auxiliary pattern corresponding to the spacing area. The application further discloses an exposure system.
Owner:MAGIC STAR TECHNOLOGY (NINGBO) CO LTD
Ball valve limiting mechanism of RD pressure test valve
ActiveCN222437086USealing is not affecteddoes not affect strengthPlug valvesValve housingsSteel ballPhysics
The utility model discloses a ball valve limiting mechanism of an RD pressure test valve, which comprises a ball cage, a ball valve arranged in an inner hole of the ball cage, a spherical pit arranged on the surface of the ball valve, a compression screw arranged on the side wall of the ball cage, a spring arranged in an inner hole of the compression screw, one end of the spring connected with the compression screw, and the other end of the spring connected with a steel ball. The steel ball is used for being matched with the spherical pit to limit the ball valve. The steel ball is arranged on the ball cage, and the spherical pit is formed in the ball valve, so that the ball valve can be locked at the opening position after being opened, and the inner hole of the ball body is kept concentric with the inner hole of the tool body, and the problem that the inner hole of the ball body is not concentric with the inner hole of the tool body after the ball valve of the RD pressure test valve is opened in the prior art is solved. The inner hole of the ball valve and the sealing surface of the ball seat are eroded, and the service life of the ball valve is further influenced.
Owner:CHINA SHIPPING APP OIL & GAS TESTING (TIANJIN) CO LTD
Multi-dimensional displacement synchronous calibration device and calibration method based on Internet of Things technology
PendingCN119413113Aeasy to control speedAccurate positioning accuracyMeasurement devicesComputer hardwareThe Internet
The invention relates to a multi-dimensional displacement synchronous calibration device and calibration method based on the Internet of Things technology, the device comprises a mobile platform unit, a mobile control unit and an intelligent terminal, the mobile platform unit is detachably superposed in the height direction to realize superposition of displacement dimensions, and the intelligent terminal is used for collecting data; when one mobile platform unit is adopted, X-direction one-dimensional calibration is carried out; when the two overlapped mobile platform units are adopted, two-dimensional calibration in the X direction and the Y direction is carried out; when the three overlapped mobile platform units are adopted, three-dimensional calibration in the X direction, the Y direction and the Z direction is carried out; and each mobile platform unit is connected and controlled by an independent mobile control unit to move. The device has the advantages that high-precision automatic displacement calibration of the sensor can be realized, and synchronous calibration in two-dimensional and three-dimensional deformation directions can be realized through combination in different directions.
Owner:SHANGHAI GEOTECHN INVESTIGATIONS & DESIGN INST
Special-shaped workpiece positioning device
PendingCN119388320AAccurate positioning accuracyImprove grinding qualityGrinding drivesGrinding work supportsMoving framePhysics
The invention relates to the technical field of detection, and provides a special-shaped workpiece positioning device which comprises a rack, a shaft part is rotationally arranged relative to the rack, a transverse moving frame is arranged relative to the rack in a sliding mode, two abutting pieces are arranged on the transverse moving frame, and after the transverse moving frame moves, the abutting pieces abut against or cancel abutting against the plane part of the shaft part. The two abutting pieces abut against the two adjacent plane parts of the shaft part correspondingly, and a receding groove is formed between the two abutting pieces and used for containing one arc-shaped part. By means of the technical scheme, the problem that in the prior art, the positioning precision of the special-shaped workpiece is low is solved.
Owner:CHENGDE SUKEN YINHE CONNECTING ROD
Aircraft navigation positioning method and system
ActiveCN119414381APrecise navigation and positioningAccurate real position coordinatesHeight/levelling measurementRadio wave reradiation/reflectionFlight vehicleComputer vision
The invention discloses an aircraft navigation positioning method and system, and belongs to the technical field of terrain-aided navigation. The method comprises the following steps: firstly, determining a candidate position coordinate set which may be a real position coordinate of an aircraft by using real nearest echo distances at a plurality of acquisition points and geographic information in a radar beam coverage range, and combining the candidate position coordinate set into a candidate flight trajectory which may be a real flight trajectory of the aircraft; finally, real shape information carried by the theoretical flight trajectory is fully utilized, trajectory matching is conducted on the candidate flight trajectories and the theoretical flight trajectory, a real flight trajectory is found out from the candidate flight trajectories, then the real position coordinates of the aircraft are determined, and accurate navigation and positioning can be achieved during terrain-aided navigation. The horizontal positioning precision is within 6 meters, the elevation positioning precision is within 2.5 meters, and compared with the horizontal positioning precision of 10-100 meters and the elevation positioning precision of 5-15 meters of an existing terrain matching aided navigation positioning method, the navigation positioning precision is improved.
Owner:HUAZHONG UNIV OF SCI & TECH
A cast-in-place box girder disc buckle support for bridge construction
This invention provides a modular scaffold for cast-in-place box girders used in bridge construction, relating to the field of bridge construction scaffolding technology. It includes support members arranged in a row, with the first and last members of the row sequentially connected. The support members in the row have identical structures. A box girder support is installed on the upper support member. A fixing chuck is installed on the support member. A reinforcing connecting rod is installed on the fixing chuck. The reinforcing connecting rod is used to connect adjacent support members. A safety stop is installed on the support member. The safety stop ensures that during disassembly, workers can sequentially disassemble the top support bolts first, then the lower connecting rods, and finally the uppermost support rod, thus standardizing the disassembly sequence. This addresses the problem that current modular scaffolds for cast-in-place box girders used in bridge construction do not facilitate standardized disassembly procedures and increase the risk of support rod deformation.
Owner:CHINA RAILWAY GUIZHOU ENG CORP LTD +2
Multi-set rotary press-fitting mechanism for automobile parts
The utility model belongs to the technical field of automobile part assembly, and particularly relates to a multi-set rotary press-fitting mechanism for automobile parts. The press-fitting device comprises a base, a tool base plate is rotationally installed on the base, two or more press-fitting stations are arranged on the tool base plate, a press-fitting unit is independently installed at each press-fitting station, and the press-fitting center of each press-fitting unit is located on the concentric circle of the rotation center of the tool base plate; the press-fitting unit comprises an upper pressing head assembly used for press-fitting of a lining and a lower positioning assembly used for pre-positioning of automobile parts, a guide column is arranged between the upper pressing head assembly and the lower positioning assembly, and the guide column is sleeved with a reset compression spring. Press fitting of multiple sets of workpieces can be achieved through a single machine, site occupation and investment risks are greatly reduced, and the press fitting machine has the advantages of being stable in work, capable of achieving self-adaptive guiding, stable in press fitting quality and the like.
Owner:NANJING XINGQIAO Y TEC AUTOMOBILE PARTS CO LTD
Turntable positioning mechanism and packaging equipment
ActiveCN222117276UAccurate positioning accuracyreduce maintenanceFinal product manufactureWrapper twisting/gatheringControl engineeringControl theory
When the turntable positioning mechanism and the packaging equipment are used, a turntable driving mechanism drives a turntable to rotate, after an in-place detection mechanism detects that the turntable rotates to a position corresponding to a sealing station and a pressing die, the turntable driving mechanism is driven to stop working, so that the turntable stops, and at the moment, a positioning assembly moves to a positioning clamping piece; then the driving assembly is started to drive the positioning clamping piece and the positioning assembly to move close to each other and be in rolling contact and clamped with each other so as to limit the rotation of the rotary disc relative to the rack and complete the positioning of the rotary disc, and through the rolling contact arrangement between the positioning clamping piece and the positioning assembly, the matched operation between the positioning clamping piece and the positioning assembly is smoother; meanwhile, the hard contact between the two parts during operation is avoided, the friction force between the two parts is greatly reduced, the positioning accuracy of packaging equipment is ensured, and the processing quality is ensured; and as the loss is greatly reduced, the maintenance and replacement times of workers are greatly reduced, and the production efficiency is improved.
Owner:中山市力龙机械有限公司
Hydraulic control system and control method of travel cylinder of precision forging machine operator
ActiveCN115492804Breduce workloadImprove automationServomotorsForging/hammering/pressing machinesProportional controlControl valves
The present invention discloses a hydraulic control system for a travel cylinder of a precision forging machine operator and a control method thereof, comprising a servo proportional control valve group, the servo proportional control valve group comprising a valve body differential valve, a servo valve, a travel back pressure regulating proportional valve and a torque control valve, the travel back pressure regulating proportional valve being connected to a pressure sensor, the torque control valve being connected to a rod chamber of a travel cylinder, the differential valve, the A port of the servo valve and the A port of the travel back pressure regulating proportional valve being connected to a rodless chamber of the travel cylinder, and the P port of the servo valve being connected to the torque control valve. In the present invention, the torque control valve and the travel back pressure regulating proportional valve continuously control the oil inlet and outlet pressure through a control system according to the rodless chamber pressure of the travel cylinder and the outlet pressure of the torque control valve collected by the pressure sensor, so as to prevent the dynamic change of the friction force between the static friction and the dynamic friction between the operator and the operator track during the low-speed operation of the operator, causing pressure fluctuations in the travel cylinder.
Owner:LANZHOU LANSHI HEAVY IND CO LTD
Adjustable mold positioning inserting rod clamp
ActiveCN224074243UEasy to installAccurate positioning accuracyWork holdersStructural engineeringMechanical engineering
The utility model discloses an adjustable mold positioning inserting rod clamp, and belongs to the technical field of clamp equipment. The adjustable mold positioning inserting rod clamp comprises an I-shaped groove supporting plate, a positioning inserting rod and a positioning inserting rod, the adjustable mold positioning inserting rod clamp comprises an I-shaped groove supporting plate and a plurality of sets of positioning inserting rod clamping mechanisms, each positioning inserting rod clamping mechanism comprises a square sliding frame, two fastening plates, two fastening threaded rods, a clamping control box, a transmission threaded rod, a transmission block and two inner arc half clamping blocks, and the square sliding frames are arranged on the I-shaped groove supporting plate in a sliding and sleeving mode. The positioning inserting rods are fixed by the two inner arc half clamping blocks in each positioning inserting rod clamping mechanism, subsequent mounting of the positioning inserting rods is facilitated, the positions of the positioning inserting rod clamping mechanisms can be adjusted at will according to actual requirements, the mounting requirements of the positioning inserting rods on different molds are met, and compared with a fixed support, the flexibility is higher, meanwhile, alignment is conducted firstly, then locking is conducted, and the mounting efficiency is improved. And the operation is convenient, and meanwhile, the positioning accuracy of the positioning insertion rod during installation is high.
Owner:CHENGDU QUNRUI PRECISION MOULD CO LTD
Heat-not-burn smoking device
The present invention provides a heat-not-burn smoking device, comprising a battery and a heating body, and further comprising: a flexible substrate, which has a first circuit area and a second circuit area that can be electrically connected to the first circuit area along the extension direction of the heat-not-burn smoking device; a control circuit, which is formed in the second circuit area of the flexible substrate; a heating body solder point, which is formed in the second circuit area of the flexible substrate and can be electrically connected to the control circuit, and the heating body solder point can also be electrically connected to the heating body of the heat-not-burn smoking device; a rigid substrate, the second circuit area of the flexible substrate is attached to the rigid substrate. To a certain extent, the connection of the various components in the smoking device can be made more compact, and by improving the connection method, the overall assembly process is simplified, and a basis is provided for improving the degree of automated assembly.
Owner:QINGDAO ETSONG TECH CO LTD
Reaction cup conveying device and immunological detection apparatus
A reaction cup conveying device (10). The reaction cup conveying device (10) comprises an inner circular conveying plate body (100), an outer circular conveying plate body (200), reaction cup loading assemblies (300) and a driving mechanism (400), wherein the outer circular conveying plate body (200) is sleeved over the inner circular conveying plate body (100) and can rotate relative to the inner circular conveying plate body (100); the plurality of reaction cup loading assemblies (300) are arranged on a plate surface of the outer circular conveying plate body (200) at intervals; each reaction cup loading assembly (300) is provided with an embedding recess (310) for a reaction cup to be placed therein an embedded manner; and the driving mechanism (400) is connected to the outer circular conveying disc body (200) and is used to drive the outer circular conveying disc body (200) to rotate. The reaction cup conveying device (10) can implement the accurate conveying of a certain number of reaction cups, and solves the problems of the poor positioning accuracy and complex structure of the conveying of reaction cups by means of an outer annular plate body in an existing mechanism.
Owner:SHENZHEN YHLO BIOTECH
Automatic prism laminating equipment
The utility model discloses an automatic prism laminating device which comprises a device case, and a module working face is formed on the device case. An X-axis, Y-axis and Z-axis moving mechanism is mounted on the fixed bracket; the vacuum generator is mounted on the XYZ-axis moving mechanism; the multiple sets of component attaching jigs are mounted on the XYZ-axis moving mechanism and located at the bottom of the vacuum generator; the turnover mechanism is mounted on the module working surface of the equipment case and is positioned at the bottom of the component laminating jig; and the prism main body mounting mechanism is mounted on one side of the turnover mechanism and is used for mounting a prism, and the prism main body mounting mechanism is turned over through the turnover mechanism. The full-automatic laminating machine can completely replace traditional manual laminating, is stable in operation, uses a servo and a module, is accurate in positioning accuracy, greatly improves the yield, reduces the repair times, not only improves the production efficiency, but also effectively saves the labor cost, is simple in operation, and is convenient in parameter modification.
Owner:SHENZHEN HEIGHT-LED TECH CO LTD
Airborne radar outfield array plane diagnosis and measurement system and method
PendingCN119439084AAccurate positioning accuracyeasy to operateWave based measurement systemsElectromagentic field characteristicsRadiation-TotalRadar
The invention provides an airborne radar external field array plane diagnosis and measurement system and method. The system comprises a supporting mechanism and a movable square cabin arranged on a carrier. A mechanical arm is arranged in the movable square cabin and provided with a movable support and a test probe. The method comprises the following steps: collecting a far-region total radiation field in normal and fault states; for each radiation unit, phase coordinate translation is carried out on the collected total field, so that the origin of a coordinate system is located at the physical center of the unit, and a translated far-region total radiation field is obtained; performing spherical wave expansion, and inversely solving a mode expansion coefficient; angular domain data are selected, a ratio is calculated, an average value is taken, and an inversion amplitude phase in a fault state is obtained; the inversion amplitude phase of each unit is compared with the normal state of the unit, the fault position is positioned, and the fault type is judged. According to the invention, the fault unit can be accurately positioned, the reliability and performance of the system are improved, the diagnosis cost is reduced, the anti-interference capability is enhanced, and the fault diagnosis efficiency is improved.
Owner:CHINA ACADEMY OF ELECTRONICS AND INFORMATION TECHNOLOGY OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION +1
Frameless coil winding equipment
This invention discloses a frameless coil winding device, comprising: a body, a sleeve assembly, a coating assembly, a wire cutting assembly, a winding fixture, a paper pressing assembly, a paper feeding assembly, a tape conveying assembly, and a wire clamping and wrapping assembly. The wire can be conveyed to the winding fixture via the wire clamping and wrapping assembly. When the wire approaches the winding fixture, the wire clamping and wrapping assembly can wrap the end of the wire around the surface of the annular base paper to complete the coil starting action. After the coil is wound, it can be removed from the winding fixture. This invention not only achieves continuous wire conveying and continuous automatic coating with better coating continuity and automatic completion of the wrapping and starting action, but also ensures more accurate positioning of the paper tape during winding, avoids paper tape deviation, and ensures a more even paper roll, resulting in higher overall efficiency and automation, high coil winding efficiency, and improved quality.
Owner:GUANGDONG XINWEI INTELLIGENT EQUIP CO LTD
MR-based positioning method and device, electronic equipment and storage medium
The invention relates to an MR-based positioning method and device, electronic equipment and a storage medium, and the method comprises the steps: determining a co-station inter-system cell matched with a service cell of a first communication network where a measurement point of a first MR is located from inter-system measurement data in the first MR of the first communication network, the co-station inter-system cell is a service cell of a second communication network, and the inter-system measurement data is data obtained by measuring a cell under the second communication network in the first communication network; determining a second MR of the same-station inter-system cell based on a time advance TA value of the first communication network and neighbor cell data in the first MR; and generating feature data based on the second MR, and positioning based on the feature data. According to the invention, the problem of poor positioning caused by lack of a service cell TA in positioning in the prior art is solved.
Owner:ZTE CORP
Multifunctional rotary lifting appliance
Owner:中交第三公局工程有限公司 +1
Brake caliper piston small assembly and dust cover press-fitting device
ActiveCN119501564AAccurate pressingThe pressing process is stableAssembly machinesMetal working apparatusControl systemMechanical engineering
The invention discloses a brake caliper piston small assembly and dust cover press-fitting device, and belongs to the brake caliper assembling technology, the brake caliper piston small assembly and dust cover press-fitting device comprises a rotating press-in shaft, a rotating mechanism, a press-in mechanism and a linkage control system, the rotating press-in shaft is vertically arranged, and the upper end of the rotating press-in shaft is provided with a piston positioning structure used for positioning a piston small assembly; the rotary press-in shaft drives the piston small assembly and the dust cover to be pressed together; the rotating mechanism comprises a servo motor and a transmission assembly, and the servo motor drives the rotating press-in shaft to rotate through the transmission assembly; the press-in mechanism comprises a servo electric cylinder, and the servo electric cylinder drives a rotary press-in shaft to linearly move up and down; the linkage control system is used for controlling the servo electric cylinder and the servo motor to achieve matching of rotation and up-and-down movement of the rotary press-in shaft, so that the piston small assembly can be stably and accurately pressed into the clamp body to be assembled together with the dust cover.
Owner:HANGZHOU ASIA PACIFIC INTELLIGENT EQUIP CO LTD
Part end face contour measuring device
ActiveCN222635469UAccurate placementimprove accuracyUsing optical meansComputer hardwareMeasurement device
The utility model relates to the technical field of part measurement, and provides a part end face profile measuring device which comprises a measuring device body. The measuring device body comprises a machine base, a C-axis unit, a workbench, a two-axis moving unit and a measuring head unit. The machine base comprises a mounting platform; a C-axis unit and a two-axis moving unit are respectively arranged on the mounting platform; the C-axis unit comprises an air floating rotary table and an adjusting platform arranged on the air floating rotary table; a workbench is arranged on the adjusting platform; and a measuring head unit is arranged on the two-axis moving unit and is positioned above the working table. The device is simple in operation, and improves the efficiency and detection precision of the end face contour of the annular part.
Owner:HONGZE DALIAN PUMPS CO LTD
Mechanical drawing device
The utility model relates to the technical field of drawing tools, in particular to a mechanical drawing device. The drawing board comprises a cabinet, the vertical line direction of a drawing platform on the cabinet serves as the main shaft direction, the drawing board capable of rotating around the axis parallel to the main shaft direction is arranged on the drawing platform, a plurality of connecting rods hinged end to end are arranged on the surface of the drawing platform, and the hinged axis of the connecting rods is parallel to the main shaft direction. A paintbrush assembly is installed on the connecting rods, at least two rotating discs which rotate around the axis parallel to the direction of the main shaft are arranged beside the drawing board, each rotating disc is eccentrically connected with the different connecting rods and drives the connecting rods to swing, and the movement track of the paintbrush assembly over the board face of the drawing board can be changed by adjusting the rotating speeds of the different rotating discs. According to the utility model, flower-growing curves with different styles and petal numbers can be conveniently and diversely drawn.
Owner:HEFEI & EXHIBITION TECH