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42results about How to "Improve working precision" patented technology

Adjustable crushing mechanism for tablet press

ActiveCN224156930Uchange distanceChange the crushing particle sizeGrain treatmentsElectric machineDrive motor
The utility model discloses an adjustable crushing mechanism for a tablet press, which comprises a crushing box, both sides of the crushing box are fixedly connected with mounting racks, the top of the crushing box is detachably and movably connected with a top cover, one side of the interior of each mounting rack is fixedly provided with a driving motor, both sides of the crushing box are provided with chutes, and the top cover is detachably and movably connected with the mounting racks. The device comprises a crushing box, two sliding grooves are formed in the crushing box, moving plates are slidably connected into the two sliding grooves, lead screws are rotatably connected into the two sliding grooves, the peripheries of the lead screws are in threaded connection with the interiors of the moving plates, a power motor is fixedly installed on one side of each moving plate, and a fixing frame is fixedly connected to one side of the periphery of the crushing box. According to the adjustable crushing mechanism for the tablet press, the screw rod rotates to drive the moving plate to move, and the distance between the crushing roller I and the crushing roller II is changed, so that the crushing particle size is changed, and the purpose of adjusting the crushing degree is achieved.
Owner:XIAMEN DELIBANG NEW MATERIAL TECH CO LTD

Engineering surveying device

ActiveCN224646423UImprove work efficiencyImprove working precision
The utility model discloses an engineering surveying and setting-out device relates to engineering surveying tool technical field. The engineering surveying and setting-out device, including main unit, spool and ink chamber, spool is inserted in the inside of main unit, and the ink chamber is clamped in the outside of main unit. The main unit is composed of handle and positioning frame, and the positioning frame is connected to the outside of handle, and the positioning frame includes frame body, frame cover and carousel, and the frame cover is hinged to the frame body, and the carousel is inserted in the inside of frame body, and the outside of frame body is equipped with the clamping groove, and the outside of frame cover is equipped with the clamping block and the slot, and the clamping block is clamped with the clamping groove. The utility model discloses a reasonable structure design, has realized the convenient elastic line marking operation, and the spool replacement is convenient, and the ink chamber dismouting is convenient, has improved the efficiency and accuracy of engineering surveying and setting-out, and has stronger practicality.
Owner:ZHANGJIAKOU ZHONGCHENG SURVEYING & MAPPING ENGINEERING CO LTD

Correction device for photovoltaic modules

ActiveCN224429154UGuaranteed accuracyGood compressibilityTransfer mechanismControl theory
This utility model relates to the field of photovoltaic module technology, specifically providing a correction device for photovoltaic modules, aiming to solve the problem of how to avoid deviations in correction caused by incoming material errors. To this end, the correction device for photovoltaic modules of this utility model includes a correction wheel, a first transfer mechanism, an elastic structure, and a position detection component. The first transfer mechanism includes a moving part; the moving part is connected to the correction wheel through the elastic structure. The first transfer mechanism is configured to drive the correction wheel to move and abut against the side of the photovoltaic module, thereby forcing the elastic structure to deform. The position detection component is configured to detect the actual position of the correction wheel, so as to determine the deviation size of the photovoltaic module based on the actual position and the preset position of the correction wheel. The correction device of this utility model can determine the deviation size of the photovoltaic module and adjust the correction size according to the deviation size to improve the correction accuracy, and also improve the working accuracy of subsequent processes.
Owner:TRINA SOLAR CO LTD

CNC polishing equipment with cooling function

This utility model relates to the technical field of CNC grinding equipment, specifically a CNC grinding equipment with a cooling function. It includes a machine body and a cooling device. A grinding roller is mounted on the surface of the machine body, and a protective enclosure is installed on the side of the machine body near the grinding roller. The cooling device is located on the surface of the enclosure and includes a top plate fixedly connected to the enclosure. A water tank is fixedly connected to the surface of the top plate, and a round cover is inserted into the surface of the water tank. A water pipe is installed on one side of the water tank, and a nozzle is installed on the side of the water pipe away from the water tank. A water outlet is opened on the side of the top plate near the nozzle, and the nozzle is connected to the water outlet. This utility model facilitates cooling of the grinding roller, increases the ease of use of the equipment, and effectively extends the service life of the grinding roller. High temperatures accelerate the wear and aging of the grinding roller; good cooling can reduce the temperature and mitigate these adverse effects, allowing the grinding roller to maintain good working condition and precision for a longer period.
Owner:SUCHUANG MASCH (JIANGSU) CO LTD

A heating device for sludge drying treatment

This utility model relates to the technical field of sludge treatment, and in particular to a heating device for sludge drying treatment, including a treatment chamber, an inlet, an outlet, an air inlet pipe, a drying chamber, a drying assembly, and a blowing unit. The drying assembly includes heating tubes, a mounting plate, a connecting rod, and shock absorbers. The blowing unit of this sludge drying treatment heating device introduces hot air into the drying chamber through the air inlet pipe. After being heated by evenly distributed heating tubes, the hot air is then evenly blown onto the sludge in the treatment chamber by the blowing unit, thereby rapidly drying the sludge.
Owner:JIANGSU XINLIDA ENVIRONMENTAL ENG CO LTD

Pneumatic feed output device

ActiveCN224267870Uimprove consistencySolve the technical problem of poor feed volume consistencyClimate change adaptationPisciculture and aquariaPhysicsFluid output
The utility model discloses a pneumatic feed output device which solves the technical problem that the consistency of the feed quantity output by two paths of a pneumatic feed supply device is poor. The mixing connector is used for mixing feed and carrier airflow to form mixed fluid and outputting the mixed fluid, and a feed supply port, a carrier airflow supply port and a mixed fluid output port are formed in the mixing connector. The feed supply port and the carrier airflow supply port are respectively communicated with the mixed fluid output port to form a mixed feed output channel, the feed supply port is used for being connected with a feed supply source, and the carrier airflow supply port is used for being connected with a carrier airflow supply source; the material mixing joint is provided with two material mixing output channels which are symmetrically arranged left and right, and the two material mixing output channels are in one-to-one correspondence with the independent mixed fluid output ports. Mixed fluid output through the two mixed material output channels which are symmetrical left and right has high consistency in quantity, pressure and composition proportion.
Owner:GUANGDONG HAILING MACHINERY MANUFACTURING CO LTD

Active rigid-flexible switching suspension system

ActiveCN224210861UGuarantee the ability to overcome obstacles and slopesreduce vibration amplitudeInterconnection systemsResilient suspensionsBrakeControl theory
The utility model relates to the technical field of suspension systems of mobile robots, in particular to an active rigid-flexible switching suspension system. A suspension mechanism, an adjusting damping assembly, a brake connected to one side of the fixed end of the suspension mechanism, a brake disc connected to one side of the movable end of the suspension mechanism and a wheel body assembly connected to the movable end of the suspension mechanism are adopted. When the damping device is actually applied to a chassis of the mobile robot, in the moving process of the mobile robot, the ridge-crossing and slope-crossing capacity of the mobile robot is guaranteed by adjusting flexible damping of the damping assembly; in the process that the mobile robot stops moving for operation, the brake and the brake disc are matched for braking to stop the lifting motion of the movable end of the suspension mechanism, namely, the flexibility of the damping assembly is adjusted to the situation that the suspension mechanism integrally keeps large rigidity, the vibration amplitude of the mobile robot is effectively reduced, shaking of the mobile robot during operation is reduced, and the service life of the mobile robot is prolonged. And the operation precision of the mobile robot can be improved.
Owner:GUANGDONG AIJIL ROBOT TECH CO LTD

A method of sensing surface placement of an optical cable

The application discloses a kind of sensing optical cable surface laying methods, it is related to sensing optical cable technical field.The present application includes laying vehicle, laying vehicle top is fixed with unwinding frame and pad height chamber, pad height chamber top is connected with sliding table by ground rail, sliding table top linearly is equipped with distance measuring mechanism, drilling mechanism, support auxiliary frame and wire rack, drilling mechanism includes first lifting cylinder, first lifting cylinder telescopic end is fixed with motor, motor output end is connected with drill bit, support auxiliary frame includes hydraulic hammer and second lifting cylinder.The present application can be automatically opened in installation surface by the design of drilling mechanism, the design of support auxiliary frame can be positioned to Z type support with high stability, and hydraulic hammer can assist manual hammering expansion bolt, the design of wire rack can limit the position of optical cable, the whole anchoring process worker only needs to participate in hammer tool and hook tool, save time and effort, improve laying efficiency and can ensure laying safety.
Owner:JIANGSU FASTEN OPTOELECTRONICS TECH CO LTD

Methods, systems, and readable media for precision control of photoelectric sensors in the Industrial Internet

This application provides a method and system for controlling the accuracy of photoelectric sensors in an industrial internet, as well as a computer-readable medium and electronic device. The method includes: deploying photoelectric sensors in an industrial production environment and constructing an industrial internet based on the photoelectric sensors, gateway devices, and a processor; acquiring measurement data collected by the photoelectric sensors based on a preset data acquisition cycle; fitting the measurement data to a preset data model to obtain a fitting curve corresponding to the measurement data; comparing the fitting curve with a preset calibration curve to determine the degree of difference between the two curves; and calibrating the accuracy of the photoelectric sensor based on the degree of difference. The technical solution of this application improves the working accuracy and efficiency of photoelectric sensors by calibrating them based on their working data.
Owner:SHENZHEN CHEVEN TECH

Numerical control machine tool with automatic tool setting and rapid calibration tool

The utility model relates to the technical field of numerical control machine tools, and discloses a numerical control machine tool with an automatic tool setting and quick calibration tool, which comprises a U-shaped sliding plate, two fixed connecting rods are fixedly connected inside the U-shaped sliding plate, two sliding clamping blocks are slidably connected outside the two fixed connecting rods, and the two sliding clamping blocks are fixedly connected with the U-shaped sliding plate. Connecting springs are fixedly connected to the close sides, namely the sides away from the outer portions of the two sliding clamping blocks, of the two sliding clamping blocks, and limiting assemblies are fixedly connected to the sides, namely the close sides away from the two sliding clamping blocks, of the outer portions of the two sliding clamping blocks. A driving assembly is fixedly connected to the exterior of the numerical control machine tool operation table. According to the utility model, the sliding clamping block is stretched under the action of the fixing block, so that the elastic force of the connecting spring acts on the middle part and the position for fixing the cutter, and the vertical movement of the U-shaped sliding plate further reduces the interference to a machine tool, thereby realizing the quick calibration of the cutter and improving the working efficiency and accuracy.
Owner:SUZHOU QIU SHENGXIN ELECTRONIC TECHNOLOGY CO LTD

Gantry frames are reserved inside and outside the hoisting opening for large equipment.

ActiveCN224634269UImprove working precisionImprove work efficiency
This utility model discloses a gantry for reserving space between the inner and outer scaffolding of a hoisting opening for large equipment, relating to the field of steel beam construction technology. The gantry includes a protective outer scaffold and a supporting inner scaffold. The protective outer scaffold includes two first horizontal beams spaced apart in the front-to-back direction and extending in the left-to-right direction, and multiple second horizontal beams spaced apart in the left-to-right direction above the first horizontal beams and extending in the front-to-back direction. The first horizontal beams are used to connect to the scaffolding. The supporting inner scaffold is located inside the protective outer scaffold and includes an inner scaffold horizontal beam extending in the left-to-right direction and two supporting columns extending in the top-to-bottom direction. The left and right ends of the inner scaffold horizontal beam are respectively used to connect to the structural columns. The supporting columns are spaced apart in the left-to-right direction below the inner scaffold horizontal beam, and the other end of the supporting columns is fixedly connected to the ground. The inner scaffold horizontal beam and the two supporting columns together enclose a space for passage. This design improves upon the current practice of requiring the complete removal of both inner and outer scaffolding for hoisting operations, which incurs costs related to dismantling and construction delays.
Owner:THE SIXTH CONSTR CO LTD OF CHINA NAT CHEM ENG

Centerline and waistline laser guidance integrated device

The utility model provides a kind of center line and waist line laser guiding integrated device, comprising: laser transmitter (1), for emitting laser beam, the laser beam is used to indicate center line and waist line simultaneously;Angle setter (2) is connected with the laser transmitter (1) and is used to set the emission angle of the laser beam emitted by the laser transmitter (1);Horizontal indicator (7) is installed on the angle setter and is used to indicate the horizontal reference of the laser beam.The utility model equipment integration degree, work efficiency and work accuracy are high, and cost is small.
Owner:SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD

TPD construction method machine and chassis system thereof

The utility model relates to a TPD construction machine and a chassis system thereof, and belongs to the technical field of engineering machinery. The chassis system comprises two sets of symmetrically-arranged walking assemblies and a connecting beam connecting the two sets of walking assemblies. Each walking assembly comprises a track frame, a track arranged on the track frame and a hydraulic motor, and the hydraulic motor drives the track to circularly rotate on the track frame; a mounting seat is fixedly connected to the outer side surface of the track frame and exceeds the outer edge of the track to form a mounting surface for mounting the slide rail assembly. By means of the structure, the chassis system of the TPD construction method machine has higher stability and adaptability, reliable connection between the frame and the chassis system is achieved through the design of the installation base, meanwhile, a reasonable working area is provided for the chain cutter assembly, the working efficiency and safety are effectively improved, and the chassis system is suitable for engineering construction operation in various complex terrain environments.
Owner:ZHEJIANG SEFTEC PRECISION MACHINERY MANUFACTURING CO LTD

A tooling fixture for machining the inner hole of a bushing used in an experiment.

This invention provides a tooling fixture for machining the inner hole of a bushing used in experiments. It includes a clamping handle with a clamping unit fixed at one end. The clamping unit includes a fixed clamping part and a movable clamping part. The inner walls of the fixed and movable clamping parts are respectively arc-shaped, and the movable clamping part can move closer to or further away from the fixed clamping part. When the movable clamping part approaches the fixed clamping part to its limit position, the inner walls of the two parts can form a circle. The center of the arc of the fixed clamping part coincides with the axis of the clamping handle. This invention uses a fixed clamping part to ensure that the positioning center of the workpiece coincides with the center of the clamping handle. The movable clamping part provides a large range of motion when disassembling the workpiece, facilitating workpiece disassembly and installation. While ensuring workpiece positioning accuracy, it completes workpiece clamping and disassembly, avoiding damage to the workpiece during disassembly.
Owner:山西柴油机工业有限责任公司

A Precision Application Method and System for Litchi Orchards Based on the Combined Use of Agricultural Drones and Adjuvants

This invention discloses a method and system for precise pesticide application in litchi orchards based on the combined use of agricultural drones and adjuvants, belonging to the field of agricultural plant protection technology. The method includes: constructing a dynamic topological deformation model characterizing the spatial heterogeneity index of the canopy; dividing the leaf canopy into virtual pesticide-receiving interfaces according to the pesticide response potential and generating a pulsed hovering phase sequence based on the model; calculating the droplet-wind interface interaction potential energy based on this sequence, and using this to introduce an asymmetric disturbance operator to reconstruct a spatially discrete droplet group adapted to the curvature of the virtual pesticide-receiving interface; using the spatial distribution parameters of the spatially discrete droplet group to modulate the charge state of the charged adjuvant in the pesticide solution, forming a targeted deposition field matching the curvature characteristics of the concealed leaf canopy unit; and using a hidden Markov chain to invert the deviation into boundary constraints for correcting the dynamic topological deformation model. This invention achieves deep synergy between agricultural drones and adjuvants in the spatiotemporal dimensions, improving the accuracy of pesticide application under complex canopy conditions in litchi orchards.
Owner:PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI

Continuous stamping and cutting mechanism for steel mesh

ActiveCN224238160UEasy to fixEfficient cutting operationMetal-working apparatusPunchingStructural engineering
The utility model discloses a steel mesh continuous stamping and cutting mechanism, which relates to the technical field of steel mesh production and processing and comprises a cutter structure, a cover plate, an upper die component and a lower die component, the cover plate, the upper die component and the lower die component are sequentially arranged from top to bottom, one end of the cutter structure is fixed on the cover plate, and the other end of the cutter structure is movably connected with the upper die component. The upper die assembly comprises an upper die top seat, an upper die first connecting seat, an upper die second connecting seat, an upper die supporting seat and an upper die pressing seat which are sequentially arranged from top to bottom, the lower die assembly comprises a lower die pressing seat, a lower die connecting seat and a lower die base which are sequentially arranged from top to bottom, and a steel mesh placing position is arranged on the upper surface of the lower die pressing seat. When the upper die assembly and the lower die assembly are in press fit, the cutter structure can cut off the steel mesh on the steel mesh placing position. The cutting device has the advantages of being high in cutting working efficiency, stable in cutting process, high in working precision, good in cutting effect, high in yield, high in practicability and the like.
Owner:SHENZHEN YUTIAN PRECISE ELECTRONIC CO LTD

Portable controller parameter detection system and detection method thereof

PendingCN121857653AEnable accurate testingRealize automated judgmentProgramme controlElectric testing/monitoringNumerical controlControl engineering
The invention discloses a portable controller parameter detection system, which comprises a power supply conversion control circuit used for carrying out conversion and voltage stabilization processing on an external input power supply and providing stable and adaptive working voltage for a numerical control power supply board control circuit, a signal acquisition circuit, an RS232 communication circuit, an AD sampling board, an industrial control board and a display. According to the invention, accurate testing and automatic determination of the controller are realized. The equipment not only has the advantages of high test precision, simple and convenient operation, convenient carrying and the like, but also greatly improves the working efficiency and precision of controller detection through the functions of database management, automatic report generation and the like.
Owner:GUIZHOU TIANYI ELECTRICAL

A stamping die structure with in-mold detection system

ActiveCN224687722USmooth unloadingReal-time detection
The utility model relates to stamping die technical field, concretely, it relates to a stamping die structure with in -mold detection system, including movable mould and fixed mould, the bottom wall of fixed mould is provided with the central groove, the bottom wall of central groove is provided with the slide way that links with outside communication, the left and right sides groove wall of central groove all is provided with side slot, the below of fixed mould is provided with the pneumatic cylinder, the telescopic axle end of pneumatic cylinder penetrates into slide way and fixedly installed have the ejection disc, the ejection disc is located in the central groove and is connected with the sliding between central groove, the left and right sides of ejection disc surface all are fixedly installed with side plate, and the side plate is located in side slot, the top surface of side plate is fixedly installed with pressure sensor, and the top of pressure sensor is fixedly installed with the top plate, and the outside of fixed mould is provided with control host computer. The utility model is convenient for the detection operation of internal pressure, and it is beneficial to the smooth operation of stamping preparation.
Owner:QINGDAO DAYUANCHENGYE MOULD CO LTD

Industrial robot base convenient to disassemble

ActiveCN224643690UImprove working precisionImprove applicability
The utility model discloses an industrial robot base convenient to dismount, relates to robot technical field. This industrial robot base convenient to dismount, including robot base and eccentric counterweight adjusting structure, eccentric counterweight adjusting structure includes pressure sensor, control mechanism, motor, threaded rod, counterweight sliding block and guide rod, the number of pressure sensor is two and is fixedly connected in the top of robot base symmetry, control mechanism is fixedly connected in the inside of robot base, motor is fixedly connected in the bottom of robot base, and motor and pressure sensor all are electrically connected with control mechanism, threaded rod rotation is connected in the bottom of robot base, and counterweight sliding block is screwed on the outer surface of threaded rod, and counterweight sliding block is connected in the bottom of robot base and slides, and the stress state of base is monitored in real time through pressure sensor, realizes eccentric counterweight dynamic adjustment, and the gravity center change when quick response robot operation, real -time balance offset gravity center.
Owner:JIANGSU QINLAO INTELLIGENT TECH CO LTD

Intelligent laser head with molten pool monitoring

The application discloses a kind of intelligent laser head with molten pool monitoring, belong to laser welding technical field.The application of a kind of intelligent laser head with molten pool monitoring, including device shell, fiber laser and molten pool detection head, the lower end of positioning support is provided with clamping plate, magnetorheological fluid damper is installed between clamping plate and positioning support, two micro piezoelectric ceramic drive structures are provided in molten pool detection head, lens assembly is provided in molten pool detection head.The application solves the problem that existing laser welding head cannot ensure the long-term stability of processing focal point and monitoring line in hot machine state, the angle and position of lens assembly and built-in lens can be changed in the application, the lens position is adjusted reversely according to real-time temperature, actively compensates the optical path deviation caused by thermal expansion, lens assembly changes from passive heat to active real-time correction, ensures the long-term stability of processing focal point and monitoring line of lens assembly in hot machine state, improves work effect.
Owner:SHENZHEN OSPRI INTELLIGENT TECH CO LTD

A vibration suppression method, a control board card, a device and a storage medium

This invention discloses a vibration suppression method, control board, device, and storage medium. The invention relates to the field of vibration reduction technology for motion tables. The method includes: a first processor acquiring motion data of a support platform, preprocessing the motion data, and sending the preprocessed motion data to shared memory; a second processor acquiring motion data of the motion table and obtaining the preprocessed motion data from the shared memory; the second processor performing a Fourier transform on the motion data of the motion table and the preprocessed motion data of the support platform to obtain transformed data, and determining the resonance point of the motion table and the support platform based on the transformed data; the second processor determining the damping force of the motion table based on the resonance point of the motion table and the support platform, and using the damping force to counteract the force on the motion table to suppress the vibration generated by the motion table.
Owner:SHANGHAI YUWEI SEMICON TECH CO LTD

Pole laser cleaning device

This application discloses a laser cleaning device for pole cleaning, belonging to the technical field of pole cleaning equipment. It mainly includes: a cleaning frame, a horizontal adjustment component installed on the upper end of the cleaning frame, the horizontal adjustment component including a horizontal box installed on the cleaning frame, a horizontal lead screw driven and rotated by a power source installed inside the horizontal box, a first slider sleeved on the body of the horizontal lead screw, an intermediate plate installed on the first slider, and a vertical adjustment component. This pole laser cleaning device, by setting the horizontal and vertical adjustment components, enables adjustment of the laser cleaning gun in both horizontal and vertical directions, eliminating the need for manual operation, reducing the labor intensity of workers, and improving work efficiency and cleaning accuracy. The dust collection component effectively adsorbs dust and other pollutants generated during the pole cleaning process, improving the working environment and protecting the health of operators.
Owner:常州震裕新能源科技有限公司

Damp-proof packaging device for electronic board

The utility model relates to a packaging device, in particular to a moisture-proof packaging device for an electronic board. Comprising a conveying mechanism, a feeding mechanism, a shielding box, moisture-proof agent feeding equipment, an upper winding roller, a lower winding roller, an unwinding motor, a belt, a packaging box and the like. A feeding mechanism is arranged on the left side of the conveying mechanism, moisture-proof agent feeding equipment is arranged on the upper portion of the left end of the conveying mechanism, an upper winding roller and a lower winding roller are rotationally arranged on the upper side and the lower side of the conveying mechanism respectively, and a belt is wound around the outer sides of the rear ends of the upper winding roller and the lower winding roller. An output shaft of the unwinding motor is connected with the lower winding roller, and a packaging box is arranged in the middle of the conveying mechanism. By means of the design of the transmission mechanism, the unwinding motor, the second air cylinder and other components, automatic operation from feeding to plastic packaging is achieved, by means of the design of the moisture-proof agent feeding device, it is guaranteed that moisture-proof agents can be accurately placed on electronic boards, and the electronic boards are prevented from being affected with damp in the storage and transportation processes.
Owner:HUITONG ELECTRONIC TECH(HUIZHOU) CO LTD

Automatic tobacco material spreading system based on vibration separating screen

An automatic tobacco material spreading system based on a vibration separating screen is characterized by comprising a lifting feeding unit and a vibration uniform spreading unit, and after the lifting feeding unit approves the weight of taken materials, the materials are conveyed to the vibration uniform spreading unit and evenly conveyed into the vibration separating screen through the vibration uniform spreading unit; the automatic tobacco material spreading system has the advantages that complicated manual operation procedures such as manual sampling, weighing, spreading and the like on a production line in the prior art are replaced by the automatic tobacco material spreading system, the defects that manual spreading wastes time and labor, the materials are not uniformly spread, the influence on the measurement of experimental results is large, and the data consistency is poor are overcome, and the automatic tobacco material spreading system is suitable for large-scale popularization and application. The automatic material spreading device realizes automatic material spreading when the whole tobacco shred rate and the broken tobacco shred rate are measured in the tobacco raw material production process, and improves the working efficiency and the accuracy of detection data.
Owner:ZHENGZHOU GUARDIAN ELECTROMECHANICAL TECH CO LTD +1

A Global Finite-Time Motion Control Method for Robots Based on Adaptive Composite Observer

This invention belongs to the field of robot motion control technology and discloses a global finite-time motion control method for robots based on an adaptive composite observer. The method includes: Step 1: Designing an adaptive composite observer based on finite-time sliding mode manifolds to comprehensively compensate for uncertainties in robot kinematics and dynamics; Step 2: Then, designing a non-singular end-effector sliding mode motion controller based on an adaptive neural network and a preset performance error affine design to directly stabilize motion errors in the task space; Step 3: Finally, achieving global finite-time stability of the entire observer-control system using the Lyapunov design method, ensuring that observer errors and motion control errors converge rapidly to zero within a finite time, while satisfying the system's preset transient and steady-state response characteristics. This invention can rapidly converge robot end-effector motion errors to zero within a finite time, effectively improving robot efficiency and execution accuracy.
Owner:ZHEJIANG UNIV

Graphite carbon sleeve polishing device

The utility model relates to the technical field of material processing, and discloses a graphite carbon sleeve polishing device which comprises a workbench, a water storage tank is fixedly connected to the top of the workbench, a filter screen is installed in the water storage tank, a fixing mechanism is arranged at the top of the water storage tank, and a mounting plate is fixedly connected to the outer side of the workbench. A water spraying assembly is arranged on the outer side of the mounting plate, a fixing plate is fixedly connected to the outer side of the mounting plate, a hydraulic cylinder is mounted at the bottom of the fixing plate, a fixing column is fixedly connected to the output end of the hydraulic cylinder, and a quick replacement mechanism is arranged in the fixing column. According to the utility model, the push plate is pushed by the electric push rod, so that the technical effect of stably fixing the graphite carbon sleeve main body through the clamping plate is achieved. Compared with a manual clamping or unstable fixing mode in the prior art, the automatic clamping mechanism ensures that the graphite carbon sleeve main body is not loosened in the polishing process, so that uneven polishing or damage caused by loosening is avoided, and the working precision and efficiency are remarkably improved.
Owner:DALIAN JINGYI CARBON

Negative pressure cup assembly

PendingCN121965077AImprove working precisionSolve the problem of error gapCell component detailsLi-accumulatorsElectrical batteryBattery cell
The negative-pressure cup assembly comprises a transverse negative-pressure mounting bottom plate, wherein the negative-pressure mounting bottom plate is connected with a negative-pressure suction nozzle mounting strip below the negative-pressure mounting bottom plate through a middle vertical plate of a vertical needle plate; a plurality of negative-pressure cup mold opening pieces are transversely arranged at the bottom of the negative-pressure mounting bottom plate; the negative pressure suction nozzle mounting strip is transversely connected with a plurality of suction rods, and negative pressure suction nozzles are inserted into inner cavities of the suction rods; the negative pressure cup mold opening piece and the negative pressure suction nozzle are connected through a corrosion-resistant hose; a battery guide block is arranged between the adjacent negative pressure suction nozzles at the bottom of the negative pressure suction nozzle mounting strip and can play a role in guiding an external battery, so that a liquid injection opening in the top of the external battery directly faces the negative pressure suction nozzles; according to the negative pressure cup assembly, the working precision of alignment of the negative pressure cup is improved, and the problem that an error gap exists between the negative pressure cup and the battery is solved.
Owner:ZHEJIANG HANGKE TECH

Tattoo positioning simulation system and method for radiotherapy

The invention relates to a tattoo positioning simulation system and method for radiotherapy, the system comprises a positioning driving mechanism and a tattoo mechanism, a driving module drives the tattoo mechanism to move to a tattoo positioning position, and the tattoo mechanism comprises a driving motor, a bearing shell, a cylindrical cam, a gripper, a tattoo pen assembly and a fixing frame; the driving motor is arranged on the fixing frame, the cylindrical cam is rotatably installed on a telescopic shaft of the driving motor, the gripper is fixed to the side, close to the tattoo pen assembly, of the cylindrical cam, and the bearing shell covers the outer side of the cylindrical cam and is used for adjusting the gripper to rotate by a preset angle in each telescopic period of an output shaft of the driving motor; the tattooing pen assembly comprises a plurality of tattooing pens, the tattooing pens are evenly distributed on the periphery of the cylindrical cam, the tattooing pens are parallel to the telescopic direction of the output shaft of the driving motor, and the gripper is movably connected with the tattooing pens and used for driving the tattooing pens. Compared with the prior art, the tattooing device has the advantages of high tattooing precision, convenience in operation and the like.
Owner:FUDAN UNIV SHANGHAI CANCER CENT

Swing arm device of inclined arm manipulator

The utility model discloses an oblique arm manipulator swing arm device which comprises a base, the top of the base is fixedly connected with a rotating disc, the top of the rotating disc is fixedly connected with a control box, and the top of the control box is fixedly connected with a driving box. A stop mechanism is formed by arranging the annular stop disc, the stabilizing rod, the upper pressure rod, the lower pressure frame, the arc-shaped stop piece, the triangular plate, the stop air cylinder and the like. When a stop air cylinder contracts, a triangular plate is driven to move leftwards, then arc-shaped stop pieces on an upper pressure rod and a lower pressure frame are matched with an annular stop disc, braking of the swing arm device is achieved, the swing position of the inclined plate mechanical arm is reinforced and stabilized by arranging a stabilizing mechanism, the stability in the swing process is improved, and the stability of the inclined plate mechanical arm is improved. And effective braking is conducted through the stop mechanism when the swing arm stops acting, the situation that when the swing arm stops, the mechanical arm shakes and disengages teeth, and use is affected is avoided, and the safety and accuracy of the mechanical arm are improved.
Owner:NINGBO XUNFENG ROBOT TECH CO LTD