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60results about How to "Realize precise adjustment" patented technology
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Precise assembling and adjusting device and method for detector chip of imaging system
ActiveCN104406541AEasy to readAccurate displacement and recordingUsing optical meansAccessory structureControl system
The invention discloses precise assembling and adjusting device and method for a detector chip of an imaging system. The assembling and adjusting device comprises a movement control system, a detection system, an accessory structure and a computer; the movement control system is composed of a translation stage, a revolving stage and a tilting table and used for adjusting the spatial positions of a device to be detected and the detection system; the detection system is composed of an autocollimation and a telecentric digital microimaging system and used for measuring the angle and positional deviation of the device to be detected; and the compute is able to control the movement of the translation stage and record the position coordinates and can also be used for acquiring an image of the device to be detected from the telecentric digital microimaging system and analyzing and calculating. The assembling and adjusting method includes the assembling and adjusting of a reference mirror, the transmission of the angle and position of the detector chip, and the assembling and adjusting of the detector chip; the measurement precision of the angle and position respectively reaches second level and micro dimension during the assembling and adjusting; and the deviation of angle and position of the detector chip can be respectively less than 1 and 0.02mm after the assembling and adjusting.
Owner:ZHEJIANG UNIV
Method and device for controlling play of multimedia data
ActiveCN103226960ARealize precision adjustmentRealize precise adjustmentRecord information storageRecording signal processingProgress barMultimedia
The invention discloses a method and device for controlling the play of multimedia data, and belongs to the field of communication technology. The method comprises the following steps: intercepting a playing interface of multimedia data when a terminal plays the multimedia data; obtaining a preset adjustment amount of the playing progress of the multimedia data according to a first preset gesture operation when the first preset gesture operation on an optional position of the playing interface of the multimedia data is intercepted; and adjusting the current playing progress of the multimedia data according to the preset adjustment amount. According to the invention, the preset adjustment amount of the playing progress of the multimedia data can be obtained through intercepting the gesture operation preset on the playing interface of multimedia data; the control of the playing progress of the multimedia data is not needed to be performed through dragging a playing progress bar of the multimedia data; the problem that the operation of controlling the playing progress of the multimedia data through the playing progress bar is inconvenient can be solved; and the precise adjustment of the playing progress can be realized.
Owner:XIAOMI INC
Adjustable LED high-beam and low-beam module
ActiveCN106287488AGuaranteed positioning accuracyImprove positionVehicle headlampsLighting heating/cooling arrangementsEngineeringHeat spreader
The invention relates to an adjustable LED high-beam and low-beam module. The adjustable LED high-beam and low-beam module comprises a low-beam module, a high-beam module and a linkage module, wherein the low-beam module comprises a low-beam support, independent widening component and light-dark cut-off line component which are connected to the low-beam support, a first bulb dimming mechanism and a second bulb dimming mechanism, the widening component is rotationally installed on a hinge seat of the low-beam support, and the second bulb dimming mechanism is installed on the back part of a first heat dissipater; the first bulb dimming mechanism and a third bulb dimming mechanism which are used for adjusting relative angles of the low-beam module and the high-beam module are installed at the two sides of the back part of the low-beam support; a third heat dissipater and a third reflector of the high-beam module are connected to a high-beam support, and a ball seat is installed on the high-beam support; and a linkage support of the linkage module is connected with a dimming motor, the ball seat and the third bulb dimming mechanism. The adjustable LED high-beam and low-beam module disclosed by the invention is compact in structure, and capable of realizing accurate adjustment for the relative positions of LED and the reflectors, and the relative positions of the high-beam module and the low-beam module, thus a production cost can be reduced.
Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD
System and method for realizing high-precision gluing of Sagnac physical interferometer
ActiveCN109100019ARealize precise adjustmentRadiation pyrometryMaterial gluingTheodoliteOptical axis
The invention belongs to the field of optical assembly, and particularly relates to a system and a method for realizing high-precision gluing of a Sagnac physical interferometer. According to the system and method for realizing the high-precision gluing of the Sagnac physical interferometer, the problem that the Sagnac physical interferometer has low assembly precision is solved. The system for realizing the high-precision gluing of the Sagnac physical interferometer comprises a horizontal platform, a specimen stage, an interferometer gluing base, a laser, a cross reticle, a collimator, a first theodolite, a second theodolite, a first self-collimation light tube, a second self- collimation light tube, an imaging lens, and an imaging camera; the laser, the collimator and the second theodolite are arranged in sequence, and the optical axes of the three are concentric; the cross reticle is located at the focal plane position of the collimator, and the first theodolite is concentric with the imaging lens and the optical axis of the imaging camera; the optical axis of the first theodolite is at an angle of 90 degree with the optical axis of the second theodolite; the optical axis of thefirst self- collimation light tube intersects the optical axis of the first theodolite at an angle of 22.5 degree; and the optical axis of the second self-collimation light tube intersects the optical axis of the second theodolite at an angle of 22.5 degree.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
A high-precision measurement method for characteristic parameters of an equal-thickness off-axis parabolic mirror
ActiveCN110686869ASolve high-precision measurementRealize precise adjustmentTesting optical propertiesTheodoliteGrating
The invention discloses a high-precision measurement method for characteristic parameters of an equal-thickness off-axis parabolic mirror. A detection system adopted by the method comprises a laser interferometer, the off-axis parabolic mirror, a standard plane mirror, a reference cross reticle, a small-plane reference mirror, a theodolite and a guide rail with a grating ruler. The optical non-contact high-precision measurement method can realize high-precision measurement of key characteristic parameters of the off-axis amount, the off-axis angle, the equal-thickness angle and the focal length of the equal-thickness off-axis parabolic mirror at the same time, and lays a foundation for high-precision processing and adjustment of an off-axis reflection exposure system.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Adjustable security and anti-theft transformer
InactiveCN107256762ARealize precise adjustmentEasy to useTransformers/reacts mounting/support/suspensionTransformers/inductances casingsIntermediate frequencyAnti theft
The invention discloses an adjustable safety and anti-theft transformer, which comprises a casing, the top of the casing is provided with a top cover, the left and right side walls of the inner cavity of the casing are provided with slide grooves, the outer walls of two sets of slide grooves are provided with sliders, and the sliders Matching with the chute, a connecting rod is arranged between the two groups of sliders, a screw hole is arranged on the outer wall of the top cover, an adjusting bolt is arranged on the top of the top cover, the bottom of the adjusting bolt penetrates the bottom of the screw hole, and the top of the connecting rod There is a positioning screw groove, and the adjusting bolt is connected with the connecting rod through the positioning screw groove. The adjustable safety and anti-theft transformer of the present invention can realize the compression and stretching of the coil by rotating the knob, change the inductance parameter in the intermediate frequency transformer, and change the inductance of the coil. Quantity, so as to realize the precise adjustment of the inductance of the transformer, and the safety protection performance is good, which can effectively prevent theft. In addition, it is convenient for wiring, has a certain shock absorption and anti-seismic ability, and has good stability.
Owner:陈春女
Dispensing bottle head, dispensing device and dispensing method for granular preparations
PendingCN107973007AAvoid influenceImprove adjustment accuracySmall article dispensingBio-packagingEngineeringBottle
The invention provides a dispensing bottle head, dispensing device and dispensing method for a granular preparations. The dispensing bottle head comprises an upper cover, a gear set, a lower cover anda connecting shaft. The upper cover is connected with a bottle opening. The connecting shaft connects the upper cover, the gear set and the lower cover together. The gear set can rotate around the connecting shaft. The upper cover and the lower cover do not rotate relative to the connecting shaft. The upper cover is provided with a feeding inlet. The lower cover is provided with a discharging outlet. The feeding inlet and the discharging outlet are arranged in a staggered mode. The gear set comprises a first gear and a second gear which are the same and is further provided with a first containing cavity, a second containing cavity and a third containing cavity. The two gears are controlled, so that the first containing cavity conveys granular preparations of a fixed volume from the feeding inlet to the discharging outlet. The second containing cavity and the third containing cavity are matched, and granular preparations of a set variable volume are conveyed from the feeding inlet to the discharging outlet. The dispensing bottle head can realize dispensing of granular preparations of the fixed volume and the variable volume, and accurate dispensing of a small quantity of preparations, can avoid influence on magnetic-sensitive preparations, and is small in volume and low in cost.
Owner:北京归源易生软件开发有限公司
Steam turbine embedded parts fixing device and method
ActiveCN106869162BGuaranteed installation and constructionGuaranteed accuracyFoundation engineeringEmbedded systemSteam turbine
The invention belongs to the technical field of steam turbine construction, and discloses a device and a method for fixing embedded parts of a steam turbine. The device and the method for fixing the embedded parts of the steam turbine aim to solve the problems that in the process of fixing the embedded parts of the steam turbine, the embedded parts cannot be accurately adjusted, and the installation precision is low by adopting a conventional method. The device for fixing the embedded parts of the steam turbine comprises a fixing support and an adjusting device; the embedded parts are connected to the adjusting device; the fixing support comprises steel stand columns and a sample plate frame, wherein the steel stand columns are fixedly connected to the sample plate frame; the sample plate frame comprises cross beams and longitudinal beams, wherein the cross beams and the longitudinal beams are mutually and fixedly connected to form an integral frame; and the adjusting device is fixedly connected to the sample plate frame and is used for adjusting the relative position relation between the embedded parts and the sample plate frame. According to the device and the method for fixing the embedded parts of the steam turbine, the positions of the embedded parts are adjusted and fixed by adopting the device for fixing the embedded parts of the steam turbine so that the adjusting precision can be improved, and the control over the position deviation of the whole embedded parts in the concrete pouring process can be improved, and therefore the installation precision of the embedded parts can be guaranteed.
Owner:CHINA NUCLEAR IND FIFTH CONSTR CO LTD
Microwave antenna control system
PendingCN108666758ARealize automatic adjustmentRealize precise adjustmentIncline measurementAntenna detailsMicrowaveControl system
The invention discloses a microwave antenna control system, and the system is used for automatically adjusting the angle of a microwave antenna. The system comprises a first driving device, a second driving device, an angle sensor and a control unit, wherein the first driving device, the second driving device and the angle sensor are connected with the microwave antenna and are also connected withthe control unit. The angle sensor monitors the angle information of the microwave antenna, and the control unit controls the first driving device and / or the second driving device to accurately and automatically adjust the angle of the microwave antenna according to the angle information. The system is simple in structure and is easy to operate.
Owner:PROSE TECH CO LTD
Auxiliary installation device capable of adjusting inclination angle of pre-buried bolt and using method thereof
PendingCN109434757ARealize precise adjustmentHelp with accurate positioningMetal-working hand toolsPhotovoltaic energy generationEngineering
The invention discloses an auxiliary installation device capable of adjusting the inclination angle of a pre-buried bolt and a using method thereof. The auxiliary installation device is characterizedin that a right clamp is installed on a right spiral regulator, the right spiral regulator is installed on a right telescopic rod in a threaded connection mode, and the right telescopic rod is installed in a mounting hole in the right side surface of a base; a left clamp is installed on a left spiral regulator, the left spiral regulator is installed on a left telescopic rod in a threaded connection mode, and the left telescopic rod is installed in a mounting hole in the left side surface of the base; and an angle etching disc is installed on the top surface of the base, a bolt sleeve is installed on the angle etching disc through a rotating shaft, a spiral clamping device is installed in the radial threaded hole in the bolt sleeve, and a pointer is installed on the top surface of the boltsleeve. According to the auxiliary installation device, the problem of the inclination angle of the pre-buried bolt can be solved, the problem of accurate adjustment of the bolt inclination angle in the prior art can be solved, accurate adjustment of the angle of the pre-buried bolt is achieved, so that accurate adjustment of the angle of the pre-buried bolt is facilitated, and accurate positioning of the pre-buried bolt is facilitated.
Owner:NANJING INST OF TECH
Small fast press machine driving mechanism
InactiveCN108339918AImprove rigidityRealize precise adjustmentForging press drivesPower modeDrive shaft
The invention discloses a small fast press machine driving mechanism. The small fast press machine driving mechanism comprises a machine tool bed. The small fast press machine driving mechanism is characterized in that the driving mechanism further comprises a rotating block, a driving shaft, a double spherical connecting rod, a first auxiliary ball bowl, a second auxiliary ball bowl, a sliding block and a stroke adjustment structure, wherein the rotating block is connected with upper hinges of two side plates of the machine tool bed, the driving shaft is arranged on the middle portion of therotating block and capable of rotating freely;a driving system is connected with the upper end of the driving shaft in a power mode, and a disc is connected with the lower end of the driving shaft, and he first auxiliary ball bowl is installed on the lower end surface of the disc in an eccentric mode; and the first auxiliary ball bowl is connected with the one end of the double spherical connecting rod in a hinged mode, and the sliding block is fixedly connected with the other end of the double spherical connecting rod through the second auxiliary ball bowl. The small fast press machine driving mechanism has the beneficial effects that the driving mechanism is enclosed in the closed machine tool bed, the inherent angular deformation of an open-type machine does not exist, the rigidity is good, and the adjustment of the stroke and the adjustment of the precision of a bottom dead centre are achieved through the changing of an angle between the rotating block and the machine tool bed.
Owner:NANJING INST OF TECH
Two-plate injection molding machine and die assembly structure thereof
ActiveCN104669566ASimple precision adjustmentRealize precise adjustmentEngineeringInjection molding machine
The invention discloses a two-plate injection molding machine and a die assembly structure thereof. The die assembly structure comprises a fixed die plate, a rear movable die plate, multiple pull rods, multiple entrance nuts, a connecting block, a regulating component, a transmission gear set and a transmission power device, wherein the connecting block is used for connecting a front movable die plate with the rear movable die plate, and the rear end of the connecting block is provided with a first threaded connection part; an inner ring of the regulating component is provided with a second thread connection part, the second thread connection part is cooperatively connected with the first thread connection part, and an outer ring of the regulating component is provided with a first gear connection part; the transmission gear set is provided with a power input part and a second gear connection part, the power input part is used for inputting power, the second gear connection part is used for outputting power, and the second gear connection part is cooperatively connected with the first gear connection part; and the transmission power device is used for driving the rear movable die plate to move for a preset distance forwards and backwards along the central axis of the front movable die plate, the transmission power device is provided with a power output part, and the power output part is cooperatively connected with the power input part. The die assembly structure disclosed by the invention can relatively simply realize the precision adjustment of the movable die plates in the process of die assembly.
Owner:佛山市顺德区震德塑料机械有限公司
Off-axis three-reflector device
ActiveCN109633855AMonitor changes in real timeAutomatically adjust the spatial positionMountingsPhysics
The invention relates to an off-axis three-reflector device. The device comprises a first reflector assembly, a second reflector assembly and a third reflector, and further comprises a frame and a detector assembly, wherein a cavity is formed in the frame, the second reflector assembly is arranged at the top of the cavity, the first reflector assembly and the third reflector are arranged at the bottom of the cavity, the detector assembly is arranged at the top of the cavity and penetrates through the frame, the detector assembly comprises a detection head, and the first reflector assembly andthe second reflector assembly are controlled to swing through a motor. Compared with the prior art, the off-axis three-reflector device solves the problems that in the case of an existing off-axis three-reflector device, lens adjustment is difficult, manual adjusting precision is low and lens deformation is caused due to the lens installing acting force, and the effects that reflecting reflectorscan be automatically adjusted, the adjusting precision of the reflecting reflectors is high, and lens stress deformation is small after lens installation are achieved.
Owner:TONGJI UNIV
Train transmission control unit characteristic curve evaluation method, device and system and medium
ActiveCN112287450ARealize precise adjustmentIncrease reflectionGeometric CADDesign optimisation/simulationSimulationControl cell
The invention discloses a train transmission control unit characteristic curve evaluation method. The method comprises the following steps: S01, acquiring an actual characteristic curve of the train transmission control unit in a test process; s02, comparing the actual characteristic curve with a preset standard characteristic curve to obtain a difference degree; and S03, when the difference degree is within a preset threshold value, judging that the actual characteristic curve is normal, otherwise, judging that the actual characteristic curve is abnormal. The invention also discloses an evaluation system, which comprises an upper computer and a simulation test platform, and is characterized in that the simulation test platform is connected with the train transmission control unit to be tested and is used for realizing a simulation test; the upper computer is used for executing the steps of the evaluation method. The invention further discloses a device and a medium corresponding to the method. The method, the device, the system and the medium have the advantage of realizing characteristic curve performance evaluation.
Owner:CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST
SOC estimation method
PendingCN112433156AReduce estimation errorImprove estimation accuracyElectrical testingElectrical batteryControl theory
The invention discloses an SOC estimation method. The method comprises the steps of obtaining an original estimated SOC and an SOH weight coefficient of a target battery; obtaining a target ampere-hour integral value, and obtaining a target estimated SOC according to the SOH weight coefficient, the original estimated SOC and the target ampere-hour integral value; obtaining an actual SOC based on the detection voltage and the detection current of the target battery; generating an electric quantity adjusting strategy according to the working state of the target battery, the target estimated SOCand the actual SOC; and adjusting the target estimated SOC according to the electric quantity adjustment strategy to obtain an adjustment result. According to the SOC estimation method provided by theinvention, the SOC estimation precision can be improved, the gradual change of the target estimation SOC is ensured, the change speed of the target estimation SOC is dynamically adjusted, and the situation of electric quantity step is avoided.
Owner:SHENZHEN KEXIN COMM TECH
Method and system for optimizing assembly tilt error of circular grating encoder
PendingCN114417532ARealize precise adjustmentImprove measurement efficiencyGeometric CADUsing optical meansGratingAngular degrees
The invention discloses a circular grating encoder assembly inclination error optimization method and system, and the method comprises the steps: building an assembly model based on the geometric shape error of a bearing part of a circular grating encoder, calculating the inclination deviation of assembly, taking an initial assembly position as a reference, enabling a coded disc installation hub to rotate for a circle when the coded disc installation hub rotates for 30 degrees relative to a central spindle, and enabling the coded disc installation hub to rotate for a circle; analyzing the assembly inclination deviation at each position, establishing an optimal assembly angle model, finding an optimal assembly angle, analyzing and modeling the assembly angle of the circular grating encoder, and establishing an assembly model by sampling the shape error of the assembly surface, so that the measurement efficiency and the measurement precision are improved; the installation of a circular grating bearing part is guided according to the model, so that the installation inclination deviation is reduced, the influence of the installation inclination deviation on the angle measurement precision of the circular grating encoder is reduced, the angle measurement precision is improved, and the method has a remarkable effect and important significance for a precise angle measurement system of the circular grating encoder.
Owner:XI AN JIAOTONG UNIV
Processing device for attaching foam adhesive tape to photovoltaic module and application method
ActiveCN113314632AImplement fixed processingEasy to handleFinal product manufacturePhotovoltaic energy generationAdhesive beltEngineering
The invention discloses a processing device for attaching a foam adhesive tape to a photovoltaic module and an application method. The processing device comprises a top plate, a supporting column is fixedly installed at the bottom end of the top plate, and a bottom plate is fixedly installed at the bottom end of the supporting column; a controller is arranged on the top plate, and first electromagnetic sliding rails are arranged in the top plate and the bottom plate correspondingly; first electromagnetic sliding blocks are arranged in the first electromagnetic sliding rails and are connected with a fixing block and a fixing frame, and a workbench is inserted into the top end of the fixing block. According to the processing device for attaching the foam adhesive tape to the photovoltaic module and the application method, the workbench, a baffle, a first contact module, a first motor, a first gear, a second gear and an extrusion plate are arranged, the photovoltaic module can be resisted through the baffle, and positioning and guiding treatment on the photovoltaic module is completed; and then the baffle shrinks, and the extrusion plate slides downwards, so that the photovoltaic module can be fixed, the foam adhesive tape can be conveniently attached to the photovoltaic module after the position is adjusted, and the working efficiency is improved.
Owner:上海亥博胶粘材料有限公司
Adjustable led far and near light module
ActiveCN106287488BGuaranteed positioning accuracyImprove positionVehicle headlampsRoad vehiclesHeat spreaderElectrical and Electronics engineering
The invention relates to an adjustable LED high-beam and low-beam module. The adjustable LED high-beam and low-beam module comprises a low-beam module, a high-beam module and a linkage module, wherein the low-beam module comprises a low-beam support, independent widening component and light-dark cut-off line component which are connected to the low-beam support, a first bulb dimming mechanism and a second bulb dimming mechanism, the widening component is rotationally installed on a hinge seat of the low-beam support, and the second bulb dimming mechanism is installed on the back part of a first heat dissipater; the first bulb dimming mechanism and a third bulb dimming mechanism which are used for adjusting relative angles of the low-beam module and the high-beam module are installed at the two sides of the back part of the low-beam support; a third heat dissipater and a third reflector of the high-beam module are connected to a high-beam support, and a ball seat is installed on the high-beam support; and a linkage support of the linkage module is connected with a dimming motor, the ball seat and the third bulb dimming mechanism. The adjustable LED high-beam and low-beam module disclosed by the invention is compact in structure, and capable of realizing accurate adjustment for the relative positions of LED and the reflectors, and the relative positions of the high-beam module and the low-beam module, thus a production cost can be reduced.
Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD
Local electric energy meter correction service planning method and system based on data prediction
PendingCN110598899AEffective distributionImprove school application service efficiencyBiological neural network modelsForecastingElectricityPrediction algorithms
The invention relates to a local electric energy meter correction service planning method and system based on data prediction. The method comprises the following steps of S1, acquiring the historicalcorrection data of the local electric energy meters, wherein the historical data comprises the historical annual electric energy meter correction amount of each local divided area, the local lmonthlyhistorical electric energy meter correction amount, the local historical meteorological data and the local historical electricity consumption; S2, utilizing a prediction algorithm to calculate the historical correction data of the local electric energy meters, and obtaining the future electric energy meter correction prediction data, wherein the prediction data comprise the future annual electricenergy meter correction amount of all local divided areas, the local monthly future electric energy meter correction amount and the local future electricity consumption; and S3, integrating the futureelectric energy meter correction prediction data, planning the electric energy meter correction service investment for each time period in each divided area. Compared with the prior art, the method and the system have the advantages of high efficiency, good credibility and the like.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
A terahertz band off-axis three-mirror system and its installation method
InactiveCN104391366BRealize precise adjustmentAbsolute position accuracyMountingsDegrees of freedomDistance sensors
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Auxiliary tool for automatic welding of automobile beam
InactiveCN111922575AEasy to clamp and weldRealize precise adjustmentWelding/cutting auxillary devicesAuxillary welding devicesRotational axisManufacturing engineering
The invention discloses an auxiliary tool for automatic welding of an automobile beam, and relates to the technical field of automatic welding. The auxiliary tool comprises a supporting device, a rotating device, a clamping device, a welding device and an integrated controller, wherein the supporting device comprises a bottom plate and fixed slideways, the rotating device comprises a rotating shaft and an electric sliding plate, the plurality of fixed slideways are in sliding fit with the electric sliding plate, the clamping device comprises a transverse rod and a rotating disc, one end of therotating shaft is in rotating fit with the rotating disc, the welding device comprises a fixed circular truncated cone, a first mounting groove is formed in one surface of the transverse rod, one endof the fixed circular truncated cone is connected with the first mounting groove, a first fixing groove is formed in the upper surface of a bottom plate, and the integrated controller is connected with the first fixing groove. According to the auxiliary tool, the fixed sliding way ensures that the rotating device can achieve long-distance movement in one direction, large-size beams are clamped and welded conveniently, the welding device is arranged on the transverse rod, the situation that redundant structures are additionally arranged to bear the welding device is avoided, and meanwhile, thewelding device is designed in a multi-section mode so that complex welding can be achieved at different angles.
Owner:郑恩
Method for correcting north reference precision of electronic compass
The invention discloses a method for correcting north reference precision of an electronic compass. The method for correcting the north reference precision of the electronic compass comprises steps as follows: step 1, the electronic compass is fixed in a normal working area of a system electric appliance where the electronic compass is located, and the electronic compass and the system electric appliance are powered on for normal work; step 2, precision correction of north reference of the electronic compass is carried out. According to the method for correcting the north reference precision of the electronic compass, the problem that the precision of the electronic compass in the prior art can be decreased when the electronic compass as an accessory is used in certain electric appliance environment is solved, and precision adjustment of the electronic compass is realized.
Owner:中航华东光电有限公司
Automatic high-precision adjustment control system for common electric valve
ActiveCN109373041ARealize precise adjustmentReduce response errorOperating means/releasing devices for valvesLift valveVoltage regulator moduleFrequency conversion
The invention discloses an automatic high-precision adjustment control system for a common electric valve, and the automatic high-precision adjustment control system is applied to a cold and hot continuous supply system. The control system comprises an electric valve, a DCS control cabinet and a relay, wherein the electric valve is installed inside the cold and hot continuous supply system, and atemperature sensor, a pressure sensor and a flow sensor are installed inside the cold and hot continuous supply system separately; the temperature sensor, the pressure sensor and the flow sensor are electrically connected to the input end of the DCS control cabinet separately; and the electric valve is connected in an output loop of the relay, an input loop of the relay is connected with the output end of the DCS control cabinet, and a voltage reduction module and a frequency conversion module are electrically connected in the output loop of the relay. A 380 V / 50 HZ three-phase voltage input is adopted, 380 V three-phase voltage is converted into 110 V three-phase voltage through the voltage reduction module, and then the frequency is converted to 2 HZ through the frequency conversion module;, and a millisecond-level control unit is electrically connected between the relay and the DCS control cabinet.
Owner:安徽正刚新能源科技有限公司
High-precision rotary horizontal workbench
PendingCN114871794AHigh precisionAchieving Position Accuracy AdjustmentLarge fixed membersRotational axisEngineering
The invention discloses a high-precision rotary horizontal working table which comprises a working table, a working table supporting seat, a working table center shaft, a large belt pulley, a rotating shaft, a small belt pulley, a circular foundation plate, a support, an auxiliary base and a deflection angle assembly, the working table center shaft is located below the working table, and the large belt pulley is installed on the working table center shaft; the rotating shaft is located below the rotating disc, the small belt pulley is installed on the rotating shaft, the deflection angle assembly is arranged above the rotating disc, and the rotating disc, the small belt pulley and the rotating shaft rotate around the center line of the rotating shaft together. And the circular foundation plate is provided with a foundation plate center through hole through which the rotating shaft passes and a plurality of foundation plate reference pin holes which are uniformly distributed on a concentric circle. According to the high-precision rotary horizontal workbench, the structure is adopted, the high-precision deflection angle is achieved through the deflection angle assembly, the accuracy of the deflection angle of the horizontal workbench is further improved through belt transmission, and therefore the machining precision is guaranteed, and the manufacturing cost is reduced.
Owner:ANHUI TECHN COLLEGE OF MECHANICAL & ELECTRICAL ENG
Synchronous adjusting mechanism for spot-breaking glue applying and handle feeding
PendingCN114030234ARealize precise adjustmentRealize synchronous regulationBag making operationsPaper-makingGear wheelControl engineering
The invention relates to a synchronous adjusting mechanism for spot-breaking glue applying and handle feeding. The mechanism comprises a wall plate, a first lead screw, a second lead screw, a spline shaft, a spline sleeve gear assembly, a spot-breaking connecting block, a chain, a movable wall plate part sleeve, a spot-breaking part sleeve, a glue applying part sleeve, a handle feeding part sleeve and a tensioning wheel assembly. The spline sleeve gear assembly includes a connecting flange, a spline sleeve and a transmission gear, the tensioning wheel assembly comprises a tensioning wheel, a tensioning wheel mounting plate and a tensioning wheel bearing, the chain can drive the first lead screw and the second lead screw to synchronously rotate so as to drive the movable wall plate part sleeve to be close to or away from the wall plate, the glue applying part sleeve and the handle feeding part sleeve are mounted on the movable wall plate part sleeve, and the spot-breaking part sleeve is connected with the moving wall plate part sleeve through the spot-breaking connecting block. The synchronous adjusting mechanism for spot-breaking glue applying and handle feeding has the advantages that the adjusting precision is high, the three part sleeves can be adjusted at the same time, the adjustment is stable, the operation is convenient, and the universality is high.
Owner:NANJING ZONO MACHINE EQUIP
Auxiliary adjustment method for large-aperture optical element
ActiveCN112558318ARealize precise adjustmentImprove versatilityOptical elementsWavefrontDynamic range
The invention provides an auxiliary adjustment method for a large-aperture optical element. Curvature sensing is selected by comparing various wavefront sensing modes, and the wavefront correction andfeedback is carried out through a non-interference non-iteration wavefront detection means; and the multi-degree-of-freedom and iterative spatial motion function of a mechanical arm is combined. Themovement amount of the mechanical arm is calculated by utilizing the mapping relationship between the aberration space and the joint space of the mechanical arm and combining a sensitivity matrix, sothat the large-dynamic-range and high-precision speed measurement adjustment of a large-aperture optical element is realized.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
A three-branched six-degree-of-freedom parallel mechanism with arc-shaped moving pairs
ActiveCN106671067BSmooth motionLarge operating spaceProgramme-controlled manipulatorDrive motorSix degrees of freedom
Owner:HEBEI UNIV OF TECH
Corner connecting piece for suspended ceiling and connecting structure thereof
The invention discloses a corner connecting piece for a suspended ceiling and a connecting structure thereof. The corner connecting piece comprises a corner connecting piece body, wherein the corner connecting piece body comprises a top keel corner connecting piece body and an angle keel corner connecting piece body, top keels are arranged at the two mounting ends of the top keel corner connectingpiece body, angle keels are arranged at the two mounting ends of the angle keel corner connecting piece body, vertical keels are arranged between the top keel corner connecting piece body and the corner keel corner connecting piece body, the vertical keels are arranged between the top keels and the corner keels, the top keel corner connecting piece body is connected with the vertical keel througha fastener, the corner keel corner connecting piece body is connected with the vertical keel through a fastener, the top keels are connected with the vertical keels through the fasteners, and the corner keels and the vertical keels are connected through the fasteners. The corner connecting piece has the beneficial effects that the top keel corner connecting piece is simple in structure and convenient to install, through the corner connecting piece, the problem that a corner and a wall corner are prone to cracking is effectively solved, time and energy in the construction process are reduced,and the installation cost is also saved.
Owner:山东集顶装饰科技有限公司
Statistical method for weight distribution of ship equipment based on 3D model
ActiveCN108763693BAutomate calculationImprove computing efficiencyGeometric CADImage data processingData sourceComputational physics
Owner:CHINA SHIP DEV & DESIGN CENT
Correction method of northing accuracy of electronic compass
ActiveCN105606082BOvercome the problem that the accuracy will dropRealize precise adjustmentCompassesElectricityCorrection method
The invention discloses a method for correcting the northing accuracy of an electronic compass. The method for correcting the northing accuracy of the electronic compass includes: step 1, fixing the electronic compass in the normal working area of the system electrical appliance where it is located, and connecting the electronic compass and the system electrical appliance to Normal work; step 2, perform north accuracy correction on the electronic compass. The method for correcting the northing accuracy of the electronic compass overcomes the problem that the accuracy of the electronic compass in the prior art will decrease when it is used as an accessory in a certain electrical environment, and realizes the accuracy adjustment of the electronic compass.
Owner:中航华东光电有限公司
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