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149results about How to "Guaranteed adjustment accuracy" patented technology
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Multi-modal emotion analysis method and system
ActiveCN119454026AHigh precisionimprove comprehensivenessArtificial lifeSensorsPattern recognitionTime domain
The invention discloses a multi-modal emotion analysis method and system, and the method comprises the steps: carrying out the heart rate variability analysis of a collected vital sign signal, so as to extract a time domain feature, a frequency domain feature and a nonlinear feature corresponding to a heart rate variability signal obtained after the analysis, fusing the time domain feature, the frequency domain feature and the nonlinear feature to generate a heart rate variability feature corresponding to the vital sign signal; calculating a power spectrum and a power spectrum entropy corresponding to the collected electroencephalogram signals, and extracting electroencephalogram characteristics corresponding to the electroencephalogram signals according to the power spectrum and the power spectrum entropy; extracting skin electric characteristics corresponding to the collected skin electric signals; respectively inputting the heart rate variability feature, the electroencephalogram feature and the galvanic skin feature into a pre-trained emotion recognition model, and outputting a plurality of emotion analysis results; and acquiring an emotion regulation scheme matched with each emotion analysis result to output a corresponding emotion regulation strategy, thereby improving the accuracy of the emotion analysis and regulation strategy.
Owner:GUANGZHOU TINGHUI TECHNOLOGY CO LTD +2
Separation equipment and separation method for steel balls with different diameters
InactiveCN119259436AGuaranteed adjustment accuracyavoid collisionSievingScreeningElectric machinerySprocket
The invention discloses separation equipment for steel balls with different diameters and a sorting method.The separation equipment comprises a rack, a mounting base, a supporting frame, a bottom plate, a compression spring and a vibration motor, a screening mechanism is arranged in the mounting base and comprises an adjusting mechanism, a mounting mechanism and a driving mechanism, and the adjusting mechanism comprises a transmission roller, a guide groove, a guide rail, a guide block and a sliding block; the transmission roller is movably connected to the inner surface of the mounting base, the guide grooves are threaded and are distributed in a mirror image mode with the transmission roller as the center point, the guide rails are symmetrically arranged on the top surface of the mounting base, the guide blocks are in sliding fit with the guide rails, and the sliding blocks are in sliding connection with the guide grooves. According to the separation equipment and the separation method for the steel balls with the different diameters, due to high-precision transmission of the transmission chain wheels and the transmission chains and precise matching of the transmission rollers and the sliding blocks, the adjustment precision of the distance between the screening rods is guaranteed, the preset separation requirement can be met, and the high-precision separation requirement is met.
Owner:MAANSHAN XINHANG SHIP EQUIP MFG CO LTD
Transmission mechanism for aircraft intake valve assembly
ActiveCN119284183AExtended service lifeImprove job stabilityPower plant air intake arrangementsGear wheelInlet valve
The invention relates to the technical field of speed reduction transmission devices, and discloses a transmission mechanism for an aircraft intake valve assembly. Comprising a shell, one side in the shell is rotationally connected with a worm, the other side in the shell is rotationally connected with a worm gear meshed with the worm, the shell penetrates through and is rotationally connected with an output shaft, one end of the worm is fixedly connected with a first gear, and the shell is rotationally connected with a second gear. A second cover plate is fixedly connected to the side, close to the worm gear, of the shell, the output shaft penetrates through the second cover plate, a first friction disc is fixedly connected to the side, away from the worm gear, of the second cover plate, the output shaft is fixedly connected with a spline rod, the spline rod is in spline connection with a sliding disc, and the sliding disc is in extrusion fit with the first friction disc. By means of friction force between the sliding disc and the first friction disc, part of resistance is provided for the output shaft, and then vibration force borne by the output shaft is prevented from completely acting between the worm and the worm wheel.
Owner:JIANGSU SHENGNAN ELECTRONIC TECH CO LTD
Hydroelectric generating set active power intelligent adjusting system based on remote centralized control
PendingCN119275943AGuaranteed adjustment accuracySingle network parallel feeding arrangementsControl systemStabilization control
The invention provides a hydroelectric generating set active power intelligent adjusting system based on remote centralized control. The hydroelectric generating set active power intelligent adjusting system comprises a communication module and a control module. The communication module receives a real-time active power target value from the remote centralized control system and various real-time operation data of the hydroelectric generating set, wherein the real-time operation data are regularly collected through a sensor. Wherein communication connection is established between the communication module and a remote centralized control system, a remote instruction packet is interacted through a predetermined communication protocol, and the remote instruction packet carries the real-time active power target value; the control module carries out rapid dynamic adjustment response based on the received real-time active power target value and various real-time operation data of the hydraulic turbine set so as to ensure the adjustment precision; and the control module continuously optimizes a control strategy of a hydroelectric generating set control model through an online self-learning algorithm to realize effective following of a power grid instruction. Through the scheme of the embodiment of the invention, the problem of how to realize real-time response and stable control on the active power of the hydroelectric generating set by a remote centralized control system can be solved.
Owner:HUANENG LANCANG RIVER HYDROPOWER CO LTD
Numerical control cutter for precision machining
The invention relates to the technical field of numerical control tools, in particular to a numerical control tool for precision machining, which comprises a tool bar, a tool apron and a blade, an inclined mounting hole is formed in the front side of the tool bar, the axis of the inclined mounting hole and the axis of the tool bar form an angle of 45 degrees, and the inclined mounting hole penetrates through the left side and the right side of the tool bar and does not penetrate through the front end face of the tool bar. The tool apron is connected in the inclined mounting hole in a sliding manner; through the arrangement that the adjusting bolt penetrates through the positioning hole, even if an operator puts the boring cutter with the cutter holder and the unlocked cutter bar into use due to misoperation, the cutter holder slides towards the axial lead direction of the mounting hole and towards the outside of the inclined mounting hole under the action of centrifugal force until the inner side wall of the positioning hole is attached to the outer side wall of the adjusting bolt; the tool apron is limited by the adjusting bolt, so that the tool apron cannot continuously slide towards the outside of the inclined mounting hole; therefore, safety accidents caused by the fact that the tool apron is thrown out of the inclined mounting hole when the fastening assembly is not locked are avoided, and use safety of operators and the tool is guaranteed.
Owner:武柏祥
Embedded linear bearing type unilateral translation clamping arm
ActiveCN222507141UGuaranteed adjustment accuracyStringed musical instrumentsControl theoryScrew thread
Owner:茹侃俊
Intelligent glasses transmission structure
The utility model relates to the technical field of intelligent glasses, and discloses an intelligent glasses transmission structure which comprises a glasses frame, lenses are arranged on the surface of the glasses frame, a mounting groove is formed in the top end of the glasses frame, a worm and a main shaft are rotationally connected to the interior of the mounting groove, one end of the worm is connected with a knob, and the other end of the worm is connected with the main shaft. The middle part of the main shaft is in meshed connection with a worm through a worm gear, driving bevel gears are arranged at the two ends of the main shaft, and the two ends of the spectacle frame are rotationally connected with spectacle legs through vertical shafts; the pair of glasses disclosed by the utility model has the beneficial effects that the worm is rotated through the knob, the worm can drive the main shaft to rotate through the worm gear, the main shaft can drive the two driving bevel gears to rotate simultaneously, and the driving bevel gears can drive the two vertical shafts to rotate simultaneously through the linkage assembly, so that the angles of the two glasses legs can be synchronously adjusted, and the adjustment of clamping force can be realized; the adjusting precision of the glasses legs can be ensured, and live-line work is not needed.
Owner:SHENZHEN TIANQU XINGKONG TECH CO LTD
Antenna adjustment method, device, system, antenna and medium
ActiveCN114390541BGuaranteed adjustment accuracyIncrease the difficultySpatial transmit diversityNetwork planningControl theoryElectrical and Electronics engineering
The present invention discloses an antenna adjustment method, device, system, antenna and medium, which are used to solve the problem that the existing antenna adjustment accuracy cannot be guaranteed. During the antenna adjustment process, the main distribution area of users served by the antenna can be determined according to the antenna position of the antenna, as well as the position and behavior information of the user, so as to facilitate the subsequent accurate determination of the area mainly served by the antenna. Based on the antenna position and the center position of the main distribution area, the target angle information of the antenna can be determined, and based on the target angle information, the angle of the antenna can be automatically and accurately adjusted, thereby ensuring the adjustment accuracy of the antenna, avoiding the error caused by the operator adjusting the antenna angle, increasing the difficulty of signal optimization, and reducing the difficulty of signal optimization.
Owner:CHINA TELECOM CORP LTD
Follow-up front material supporting automatic R shaft
ActiveCN222343850UImprove carrying capacityImprove work efficiencyClassical mechanicsElectric machinery
The utility model relates to the technical field of bending mechanical adjustment, in particular to a follow-up front material supporting automatic R shaft which comprises a floor type outer frame, an inner frame is arranged on the inner side of the floor type outer frame, an R shaft guide rail is fixed to the side wall of the inner frame, and an R shaft sliding block matched with the R shaft guide rail is fixed to the inner side face of the inner frame. The follow-up front material supporting automatic R shaft is connected through the lead screw, and the bearing performance is high; a motor is used for enabling and driving, and is matched with a sensor mounting metal plate for mounting a sensor, so that the working efficiency is improved, and the adjusting precision is ensured; and the R-axis speed reducer is matched with the R-axis screw rod, so that the torque can be increased.
Owner:NUOGUARD (SHANGHAI) IND AUTOMATION CO LTD
Fixed cone locking device of cone crusher
ActiveCN222642094Uavoid damageGuaranteed adjustment accuracyGrain treatmentsCircular coneControl theory
The utility model discloses a fixed cone locking device of a cone crusher, which relates to the technical field of cone crushers and comprises a lower frame body, a movable cone mechanism, a movable cone lining plate, an upper frame body, an adjusting sleeve, a supporting sleeve, a feeding port and a fixed cone lining plate, the movable cone mechanism is arranged on the lower frame body, and the movable cone lining plate is arranged at the top of the movable cone mechanism. The supporting sleeve is arranged on the lower frame body through an elastic clamping piece, an inner ring of the supporting sleeve is provided with an internal thread, an outer ring of the adjusting sleeve is provided with an external thread, the adjusting sleeve is screwed into the supporting sleeve, the bottom of the adjusting sleeve is connected with a mounting plate, and the fixed cone lining plate is fixedly connected with the mounting plate. A discharge port is formed between the fixed cone lining plate and the movable cone lining plate; the adjusting sleeve is jointly clamped and fixed through radial adjustment of the arc-shaped blocks on the adjusting sleeve, damage to threads of the adjusting sleeve is avoided, meanwhile, the fixing stability of the adjusting sleeve is guaranteed, the adjusting precision of the discharging opening is guaranteed, and the machining quality is improved.
Owner:SHENYANG SHUNDA HEAVY MINING MASCH CO LTD
Horizontal low-pressure vibration test moving coil balance control method and device
ActiveCN119657451AGuaranteed balance accuracyGuaranteed uptimeMechanical vibrations separationVibration testingLinear controlSolenoid valve
The invention discloses a horizontal low-pressure vibration test moving coil balance control method and device, and the method comprises the steps: obtaining the speed of a moving coil through detecting the displacement of the moving coil, adjusting the opening degree of a vacuum solenoid valve or an air source solenoid valve according to the speed of the moving coil through employing a corresponding linear control function, and enabling the speed of the moving coil to be zero when the moving coil reaches a balance position. And the moving ring can quickly and stably return to the balance position after exceeding the balance position threshold value. According to the horizontal low-pressure vibration test moving coil balance control method, the problem that the moving coil is difficult to accurately reach the balance position is solved, the moving coil can rapidly and stably return to the balance position after exceeding the balance position threshold value, and the control precision in the moving coil position adjusting process is effectively guaranteed.
Owner:SUZHOU DONGLING VIBRATION TEST INSTR
Slitting device for aluminum strip production and working method thereof
The application provides a slitting device for aluminum strip production and a working method thereof, and relates to the technical field of aluminum material production equipment. The slitting device comprises an unwinding mechanism, a slitting mechanism and a winding mechanism. The slitting mechanism comprises a slitting frame, and two groups of slitting assemblies are arranged on the slitting frame. The slitting assembly comprises a lifting frame which is arranged along the width direction of the slitting frame and is vertically slidably installed. A knife mounting assembly is arranged on the lifting frame and slides along the length direction of the lifting frame. A plurality of disc cutters are arranged on the knife mounting assembly along the sliding direction of the knife mounting assembly, and the slitting distances between adjacent disc cutters are the same. When the plurality of disc cutters in the two groups of slitting assemblies are correspondingly matched, the slitting assembly close to the unwinding mechanism works, and the slitting assembly close to the winding mechanism is in standby. When the plurality of disc cutters in the two groups of slitting assemblies are arranged at intervals along the width direction of the slitting frame, the two groups of slitting assemblies work simultaneously. The application can quickly adjust the slitting distance, meet the slitting requirements of aluminum strips of more specifications, ensure the adjustment accuracy and improve the adjustment efficiency.
Owner:NANTONG HENGJIN COMPOSITE MATERIALS
Rotating shaft mechanism, design method thereof and electronic equipment
ActiveCN119244633AEasy to processGuaranteed adjustment accuracyCasings/cabinets/drawers detailsPivotal connectionsHigh electronControl theory
The invention discloses a rotating shaft mechanism, a design method thereof and electronic equipment, and belongs to the technical field of electronic equipment. The rotating shaft mechanism comprises a base, a first swing arm and a supporting block; the first swing arm is rotationally connected with the base, and the first swing arm can rotate between an unfolding position and a folding position relative to the base; when the first swing arm is located at the unfolding position, an angle formed between the first swing arm and the base is a flattening angle; the supporting block is located on the base and rigidly connected with the base, the first swing arm is provided with a first contact surface, the supporting block is provided with a second contact surface, and when the first swing arm is located at the unfolding position, the first contact surface abuts against the second contact surface; the position of the second contact surface on the base can be changed, so that the flattening angle is within a preset angle range. The electronic equipment comprises a first sub-shell, a second sub-shell and a rotating shaft mechanism. The reliability of the electronic equipment is guaranteed, and the yield of the electronic equipment or the rotating shaft mechanism is improved.
Owner:HONOR DEVICE CO LTD
A tension adjusting device for adhesive label
The application provides a self-adhesive label tension adjusting device, and relates to the technical field of label tension adjustment.The self-adhesive label tension adjusting device comprises a self-adhesive label tension adjusting box, an electric sliding rail is fixedly installed on the left inner wall of the self-adhesive label tension adjusting box, a self-adhesive label tension adjusting assembly is arranged, the electric sliding rail drives the electric sliding block to drive the sliding frame to lift and lower, the sliding rod is matched with the electric sliding block to slide in the guide sliding groove, the tension adjusting roller stably changes the position to adjust the tension, the spring buffers the tension fluctuation through the elastic force, the pressure sensor monitors the tension value in real time and feeds back, and the adjusting accuracy is ensured; meanwhile, the L-shaped self-adhesive label guide plate of the self-adhesive label guide cleaning assembly moves along the bidirectional screw under the drive of the motor, the label is limited from both sides and the top, the polishing smooth layer reduces the friction resistance, the label is effectively prevented from deviating in the tension adjusting process, and the deviation problem caused by the traditional device depending on the lifting adjustment is solved.
Owner:HUBEI HUAWEN PACKAGE
Detection device and detection method for production of permanent magnet synchronous servo motor control panel
ActiveCN119492896AEasy to detectGuaranteed adjustment accuracyConveyorsElectronic circuit testingTorsion pointElectric machinery
The invention discloses a detection device and a detection method for permanent magnet synchronous servo motor control panel production, and relates to the technical field of motor control panel detection, a flexible clamping jaw is composed of a plurality of jaw teeth, each jaw tooth is provided with at least two torsion points, the jaw teeth change the swing state at the torsion points, and elastic bodies are arranged outside the jaw teeth. The elastic body is sleeved / embedded on the outer side of the claw teeth and can change the shape according to the swinging state of the clamping claw; the base is connected with the conveying belt and moves along with the conveying belt, the flexible clamping jaw is installed on the outer side of the base and extends into the base, the electromagnetic assembly is arranged between the bottom of the clamping jaw and the inner wall of the base to change the height of the clamping jaw relative to the base, the control panel is located on the inner side of the elastic body, and the height of the clamping jaw is changed to enable the control panel to incline. In the process of performing electrical variable detection on the control panel, the inclination angle of the control panel is adjusted according to the detection position of the control panel, so that the control panel can be further conveniently detected.
Owner:HANGZHOU NAZHI MOTOR CO LTD
Diverter rack
ActiveCN222479931UGuaranteed verticality requirementsGuaranteed adjustment accuracyStands/trestlesSortingStructural engineeringControl theory
The utility model relates to the field of diverters, in particular to a diverter rack, which comprises an upper platform, an upper column, a lower column, an adjusting column, a guide rail, a sliding seat and a diverter main body, the upper column is arranged at the lower end of the upper platform, the lower column is arranged at the lower end of the upper column in a sliding manner, and insertion holes communicated with the upper column are formed in the lower column at intervals. The upper end of the adjusting column is in threaded connection with an adjusting bolt from the right lower portion to the upper portion, a first nut connected with the adjusting bolt is arranged at the upper end of the upper end of the adjusting column, and second nuts connected with the adjusting bolt are symmetrically arranged at the lower end of the lower column up and down. The sliding seat is arranged on the guide rail in a sliding mode, the lower side of the sliding seat is provided with a fixing bolt for fixing the sliding seat to move, the flow divider body is arranged at the upper end of the sliding seat, and a gradienter is arranged at the side end of the upper platform, so that the adjusting requirements of levelness and perpendicularity are met.
Owner:SHANGHAI ZHONGTONG YUNCHANG TECH CO LTD
Integrated transformer with dynamic magnetic flux adjusting function
PendingCN122000174ARealize continuous dynamic adjustmentEven by forceTransformers/inductances casingsTransformers/inductances coils/windings/connectionsTransformerMechanical engineering
The invention discloses an integrated transformer with a dynamic magnetic flux adjusting function, and belongs to the technical field of transformers. The packaging shell is fixedly arranged on the substrate, and a sealed mounting cavity is defined by the packaging shell and the substrate; the magnetic core assembly is arranged in the sealed mounting cavity and comprises two magnetic core bodies which are oppositely arranged in the axial direction and an elastic supporting piece, the central areas of the two magnetic core bodies are oppositely combined to form a central magnetic column, a variable air gap is formed between the edge areas, and the elastic supporting piece is connected with the magnetic core bodies and the substrate or the packaging shell; the elastic reset device is used for enabling the magnetic core body to float in the axial direction and achieve elastic reset. The planar spiral coil is fixedly arranged on the substrate, is arranged between the internal gaps of the two magnetic core bodies, and is coaxially arranged around the central magnetic column; the magnetic flux adjusting mechanism is arranged on the peripheral side of the magnetic core assembly in a surrounding mode. According to the transformer, continuous dynamic adjustment of working magnetic flux can be achieved, the multiple sets of piezoelectric ceramic pieces which are evenly arranged in the circumferential direction enable the magnetic core body to be stressed in a balanced mode, movement is stable, and deflection and clamping stagnation of the magnetic core body are effectively avoided.
Owner:庐江和润科技有限公司
High-pressure flushing rainwater grate cleaning vehicle
The utility model relates to municipal cleaning technical field especially, more particularly to a rainwater grate cleaning car of high pressure flush, including mobile car body, be provided with adjusting structure on the mobile car body, be provided with cleaning structure on the adjusting structure, this rainwater grate cleaning car of high pressure flush, through setting up the cleaning structure, the first motor drive's incomplete gear mechanism drives the rotating frame to realize basic angle swing, the second motor is through gear set drive rotating plate and completes axial rotation fine adjustment, and the both collaborative work forms compound motion track, ensures that the spray head can all -round coverage rainwater grate's each part. System adopts high rigidity transmission structure and optimized power transmission path, guarantees the adjusting accuracy while the operation stability is improved obviously. Modular design makes the flush pressure flexible adjustment according to actual demand, can effectively remove stubborn stain, can avoid water resource waste.
Owner:SHENZHEN LONGHUA DRAINAGE CO LTD
Self-produced steam sealing device at oxygen lance nozzle of converter
The utility model relates to converter oxygen lance sealing technical field, the utility model discloses an embodiment provides a kind of self-produced steam sealing device at converter oxygen lance mouth, including converter oxygen lance, the circumferential surface of the converter oxygen lance is fixedly connected with sealing plug, the bottom of the sealing plug is fixedly connected with gas storage seat, the inside of the gas storage seat is provided with steam uniform distribution mechanism.In the utility model, when needing to seal converter oxygen lance, staff sends steam to the inside of gas storage seat, starts motor drive shaft rotation, drives gear A and gear B rotation, and then drives support shaft and fan blade rotation, uniformly blows steam into converter oxygen lance around to form high pressure barrier, ensure the sealing of the contact place of oxygen lance and furnace mouth, when furnace overhauls, add nitrogen by nitrogen gas pipeline, steam and nitrogen are used alternately, reduce steelmaking energy consumption, by the above technical scheme, the technical problem that steam cannot be uniformly sealed to converter oxygen lance mouth in relevant technology is solved.
Owner:GUANGDONG TAIDU STEEL IND CO LTD
Logical design method for reverse dynamic correction of boiler energy storage coefficient using load deviation
ActiveCN115309048BImprove anti-interference abilityWith anti-interference abilityAdaptive controlEnergy balancingControl engineering
The present invention discloses a logic design method for dynamically correcting the boiler energy storage coefficient of a unit coordination system by using load deviation. The method proposes a correction logic of a quasi-dynamic energy storage signal based on the original energy storage calculation. The logic performs different logic operations according to different adjustment directions and different adjustment states of the unit. The result of the operation is to obtain a real-time correction coefficient vector δ of the energy storage coefficient. Compared with the prior art, the present invention has the following advantages: 1) The idea of dynamically correcting the energy storage coefficient is applied to the dynamic adjustment of thermal power units under the direct energy balance control mode, so that the real-time nature of boiler energy changes can be applied to coordinated control; 2) Real-time correction of the energy storage coefficient can improve the anti-interference ability in the coordinated control optimization process, and has a certain anti-interference effect on the output disturbance of coal and fans; 3) The energy storage coefficient correction can ensure the adjustment accuracy when the load is slightly adjusted.
Owner:HARBIN INST OF TECH
A laser detection device for preventing anchor bolts from deviating during construction
The present invention relates to the field of anchor bolt detection technology, and proposes a laser detection device for preventing the displacement of anchor bolts during construction, comprising a base, a cross bar, a rack, a slide and a laser emitter, wherein the slide comprises a box body, a gear, a screw and a limiting mechanism, wherein the gear is rotatably arranged on the box body and meshes with the rack; the limiting mechanism is used to control the gear to rotate in only one direction; the laser emitter is fixedly arranged on the box body and is used to emit a laser for detecting the position of the anchor bolt. The present invention sets a rack, a gear and a limiting mechanism, and utilizes their cooperation, so that when the laser emitter slides in the opposite direction at the installation position, the laser emitter can be fixed to the cross bar, so that the laser emitter will not be displaced relative to the cross bar when the screw is turned, thereby improving the accuracy of the installation position of the laser emitter on the cross bar and the accuracy of the laser detection device.
Owner:HUBEI SANJIANGHANGTIAN ARCHITECTURE ENG CO LTD
Wind direction and wind quantity adjusting device and wind direction and wind quantity adjusting method
PendingCN119491737AEasy to adjustDiffusion fastMining devicesTunnel/mines ventillationFlow transducerAir volume
The invention provides an air direction and air volume adjusting device and an air direction and air volume adjusting method. The device comprises a central controller, a dust concentration sensor, a first flow sensor, a second flow sensor, an air volume adjusting assembly, a first air duct assembly, a second air duct assembly, a rotating assembly and an air outlet adjusting assembly. The central controller correspondingly controls at least one of the air volume adjusting assembly, the rotating assembly and the air outlet adjusting assembly to work according to dust concentration data detected by the dust concentration sensor and flow data detected by the first flow sensor and the second flow sensor. A mechanical structure does not need to be manually controlled for driving adjustment, so that the air direction and the air volume in a roadway are convenient to adjust, and time and labor are saved; moreover, the adjustment precision and sensitivity of the wind direction and the air volume are guaranteed, accurate control and quick response type dynamic adjustment of the air volume and the wind direction are effectively achieved, and then the good ventilation and dust control effect can be achieved.
Owner:SHENHUA SHENDONG COAL GRP +2
Phase shifter phase adjustment device and base station antenna
ActiveCN118399077Breduce occupancycompact structureAntenna supports/mountingsWaveguide type devicesControl theoryMechanical engineering
The application provides a phase shifter phase adjusting device and a base station antenna. The phase shifter phase adjusting device comprises a first screw rod, a first nut seat, a first bearing, a second screw rod, a first sliding sleeve and a second sliding sleeve. The first end of the first screw rod is drivingly connected to a driving unit. The first nut seat is screwed on the outside of the first screw rod. The inner ring of the first bearing is mounted on the first nut seat. The outer ring of the first bearing is mounted on the second screw rod. The second screw rod is slidably sleeved on the outside of the first screw rod. The first screw rod has a first guide groove on the outside. The second screw rod has a first guide rib on the inside. The first sliding sleeve is sleeved on the outside of the first screw rod. The second sliding sleeve is sleeved on the outside of the second screw rod. The second sliding sleeve is slidably sleeved in the first sliding sleeve. The first nut seat is fixedly connected to the second sliding sleeve. The first sliding sleeve has a first guide part on the inside. The second sliding sleeve has a second guide part on the outside. The phase shifter phase adjusting device and the base station antenna are compact in structure and small in space occupation.
Owner:ZHONGTIAN COMM TECH CO LTD +2
Optical module automatic gain control method and optical module
PendingCN119254320Ahigh strengthGuaranteed adjustment accuracyElectromagnetic transmissionOptical ModuleOptical power
The invention relates to the technical field of optical module communication, and discloses an optical module automatic gain control method and an optical module. The automatic gain control method for the optical module is applied to the optical module, and specifically comprises the following steps: S101, acquiring input and output parameter variation of an optical signal and preset optical power of the optical module for transmitting the optical signal; s102, calculating the difference value between the loss power corresponding to the input and output parameter variable quantity of the optical signal and the preset optical power of the optical signal transmitted by the optical module to obtain the output residual power of the optical signal; and S103, obtaining the output residual power of the optical signal and the residual current and the residual voltage of the output residual power of the optical signal, and calculating the output residual level of the current optical signal. According to the invention, through twice signal gains, fine adjustment attenuation of signals in later transmission is ensured, large-range high-precision attenuation is realized, adjustment precision of the system is ensured, a relatively accurate gain value is accurately obtained, and calculation precision of relatively weak electric signals is greatly improved.
Owner:POTRON TECH CO LTD
Device for adjusting bandwidth of dielectric resonant waveguide
ActiveCN222530780UEasy to adjustPrecise thickness adjustmentWaveguidesWaveguideMechanical engineering
The utility model discloses a device for adjusting the bandwidth of a dielectric resonant waveguide, belongs to the technical field of microwave radar communication, and solves the problems in the prior art that the adjustment mode of the device for adjusting the bandwidth of the dielectric resonant waveguide is tedious and the adaptive bandwidth is low in accuracy after adjustment. The device for adjusting the bandwidth of the dielectric resonant waveguide comprises a rectangular second waveguide element, a third waveguide element and a depth adjusting component, a third waveguide element is connected in the second waveguide element in a sliding mode, and one side of the second waveguide element is provided with the depth adjusting component used for adjusting the sliding position between the second waveguide element and the third waveguide element. According to the device for adjusting the bandwidth of the dielectric resonant waveguide provided by the utility model, the thickness of the second impedance conversion section formed by the second impedance conversion cavity can be quickly and conveniently adjusted by rotating the rotating ring through the thread passing groove, the limiting ring, the rotating ring and the spiral body, and the problems of tedious adjustment and slow adjustment when a tuning bolt is used are avoided.
Owner:BEIJING HUAHANG RADIO MEASUREMENT & RES INST
A walking device position adjustment system
The present invention provides a position adjustment system for a walking device, comprising a first distance sensor, a second distance sensor, a hollow rotating platform, a first servo motor and a single-chip microcomputer; wherein the first distance sensor and the second distance sensor are respectively arranged at the bottom left end and the right end of the pedal of the walking device, and the distance sensors are arranged vertically toward the stairs, the first distance sensor and the second distance sensor are electrically connected to the single-chip microcomputer and perform data transmission, and the single-chip microcomputer is electrically connected to the first servo motor and performs rotation angle signal transmission; the hollow rotating platform is arranged between the seat connecting flange of the walking device and the seat on the walking skateboard, and the first servo motor is connected to the side of the hollow rotating platform. The present invention uses two distance sensors to detect whether the seat of the walking device is perpendicular to the stairs, and uses the hollow rotating platform to adjust the position of the seat, which not only ensures the adjustment accuracy, but also ensures the safety of the passengers.
Owner:湖北玥研科技有限公司
Red rice magnetic separation device capable of repeatedly adjusting precision
ActiveCN224181390UGuaranteed stabilityAchieve repeatable adjustmentSievingScreeningElectric machineMagnetic separator
The red rice magnetic separation device comprises a supporting frame, a feeding mechanism and a magnetic separation mechanism are arranged above the supporting frame, a magnetic separation bin is fixedly installed at the left end of the supporting frame, and the upper portion of the magnetic separation bin is communicated with a feeding bin; the feeding mechanism comprises a feeding limiting structure and a material dispersing structure, the magnetic separation mechanism comprises a permanent magnet roller, a driving motor and an adjustable scraper blade, a leakage net and a limiting baffle capable of being adjusted in a sliding mode are arranged in the feeding bin, and the material dispersing structure is matched with a spring body through a vibration motor to disperse red rice; the red rice magnetic separation device capable of repeatedly adjusting the precision is provided with the feeding mechanism and the magnetic separation mechanism, and the feeding mechanism remarkably improves the red rice separation uniformity through double optimization of flow adjustment and vibration dispersion; the magnetic separation mechanism achieves efficient impurity removal through dynamic adsorption of a permanent magnetic roller and convenient cleaning of a scraper, and the core problems that a traditional device is low in precision and many in impurity residues are solved through cooperation of the two.
Owner:LUCHUN COUNTY MEIMA AGRICULTURAL TECHNOLOGY DEVELOPMENT CO LTD
An intelligent chemical equipment design method and device, computer equipment and storage medium
This invention discloses an intelligent chemical equipment design method, apparatus, computer equipment, and storage medium. Based on the design parameters of the chemical equipment to be designed, a three-dimensional model template that is closest to its shape, accessories, and size is selected, allowing for a more intuitive observation of the equipment's appearance and facilitating smaller adjustments to the three-dimensional model after calculating the equipment parameters, ensuring the precision and accuracy of the adjustments. At the same time, a well-designed model can serve as one of the three-dimensional model templates for the next chemical equipment to be designed, further facilitating the design of the next chemical equipment.
Owner:HEFEI MARRIOTT ENERGY EQUIP CO LTD
A mobile sorting machine
The utility model relates to mobile sorting machine technical field discloses a mobile sorting machine, including the truck, the top of truck is provided with sorting device, the top of truck and located sorting device's outside is provided with the protective shed, the rear of truck is provided with the pre -screening frame, the rear of pre -screening frame is provided with the shallow, the top of shallow is provided with the conveying device, through the adjustment assembly who sets, the staff can start first motor, drive screw rod rotation, drive the directional sliding of moving block along the sliding slot in fixed frame, avoid the deviation, at the same time, two groups of rotary rod and connecting arm symmetrical distribution, through the synchronous effect of rotating block and connecting frame on conveying device bottom, cooperate the rotation support of rotary column and connecting plate, make the angle adjustment process of conveying device smooth and no shaking, ensure the adjustment accuracy, and then adapt to the material conveying demand of different height, improve the operation flexibility and reliability of mobile sorting machine.
Owner:TANGSHAN PIXEL INTELLIGENT TECH CO LTD
A positioning tool for CH molding wheel mold box
ActiveCN111907770BGuaranteed adjustment accuracyprecise positioningPackaging cigaretteMechanical engineering
The present invention discloses a positioning tool for a CH molding wheel mold box, comprising a mounting ring and a positioning plate arranged on the outer peripheral side along the circumference of the mounting ring, wherein the number of the positioning plates is several, the mounting ring is used to be fitted and coaxially mounted on the molding wheel, and the positioning plate is used to contact and position and adjust the molding wheel support plate. The positioning tool for the CH molding wheel mold box is based on the positioning and mounting arc surface of the molding wheel when in use, and the positioning is accurate and does not require measurement, so the adjustment accuracy can be guaranteed; only one person is needed to complete the adjustment work; the adjustment is in place at one time, saving time and effort.
Owner:JILIN TOBACCO IND CO LTD