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39results about How to "Reduce manual measurement errors" patented technology
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Track flatness measuring method
ActiveCN106643445AReduce mistakesEasy and safe to operateMechanical roughness/irregularity measurementsRolling angleEngineering
The invention provides a track flatness measuring method. The method includes the following steps of (1) placing a walking mechanism with an acceleration sensor, an angular velocity sensor, a magnetic sensor on a track, and moving the walking mechanism to the corresponding position; (2) acquiring the original data of the acceleration sensor and the angular velocity sensor, and obtaining the pitch angle, the yaw angle and the roll angle of the walking mechanism according to the original data; and (3) determining whether the pitch angle, yaw angle, and roll angle obtained in step (2) within the standard threshold interval, and if the angles are in the standard threshold interval, the track is flat, if not, the track is not flat. The track flatness measuring method can intelligently determine the flatness of the track installation and realize the simplicity, safety and efficiency of the operation of the track installation and detection.
Owner:YIJIAHE TECH CO LTD
Real-time detection and control system and method for displacement and deformation of foundation pit support body
ActiveCN104314063AImprove measurement accuracy and efficiencyPrecise controlIn situ soil foundationData collectorPower flow
The invention discloses a real-time detection and control system and method for displacement and deformation of a foundation pit support body. A data collector collects the inclined angle data, measured by each probe, of each measuring point in a corresponding measuring oblique pipe in the foundation pit support body, and the inclined angle data of each measuring point is sent to a central data processor, the central data processor calculates the displacement data corresponding to each measuring point according to the inclined angle data, coming from the data collector, of each measuring point, thus obtaining the deformation curve of each measuring oblique pipe and the corresponding compensation data of each support point; a D / I conversion instrument converts the compensation data into a current loop signal so as to control the support of a PLC (programmable logic controller) or other industrial controllers for the foundation pit support body and perform ream-time compensation, the aim that the foundation pit support (such as steel support) is subjected to continuous real-time automatic axial force compensation all day long for 24 hours is realized according to the deformation condition, collected in real time, of the measuring oblique pipe, the measuring precision and efficiency are improved compared with those of manual measurement, and the construction quality, efficiency and safety of a foundation pit are improved.
Owner:SHANGHAI CONSTRUCTION GROUP
3D camera volume measuring method and system
The invention relates to a 3D camera volume measuring method and system. The 3D camera volume measuring method includes the following steps: acquiring a depth map of a measured object, wherein the depth map includes the depth information of the measured object; according to the depth information, extracting the measured object from the depth map, and obtaining the pixel area of the measured object; according to the distance between a 3D camera and a measuring platform and the depth information, obtaining the height of the measured object; according to the invariance of the view field ratio ofthe 3D camera and the pixel area, acquiring the length and the width of the measured object; and according to the length, the width and the height of the measured object, obtaining the volume of the measured volume. The 3D camera volume measuring method has the advantages of being simple in measurement, being convenient to implement, having no demand for artificial measurement, and greatly improving accuracy and efficiency.
Owner:SF TECH
Infrared ray positioning and illuminating type unmanned aerial vehicle for highway surveying
PendingCN106628131AWon't rubEasy to replaceAircraft componentsSatellite radio beaconingInfraredImaging processing
The invention discloses an infrared ray positioning and illuminating type unmanned aerial vehicle for highway surveying. The unmanned aerial vehicle comprises an unmanned aerial vehicle body and a GPS (global positioning system) positioner, propeller blades are arranged in protecting frames, a rotating shaft is connected in each propeller blade, the protecting frames are connected with the unmanned aerial vehicle body through fixing rods, a controller is connected below a wireless signal receiver, a camera is fixed below a battery, an image processing device is mounted below the GPS positioner, an infrared ray laser lamp is connected below the image processing device, and an underframe is mounted below the infrared ray laser lamp. The infrared ray positioning and illuminating type unmanned aerial vehicle for highway surveying has the advantages that the unmanned aerial vehicle is provided with the protecting frames, and the internal diameter of each protecting frame is 2 mm longer than the external diameter of each propeller blade, so that the unmanned aerial vehicle cannot fall and be damaged due to direct collision between trees or mountains and the propeller blades during flying, and a 2-mm gap can also guarantee that no friction occurs between each propeller blade and the corresponding protecting frame when the propeller blades rotate at a high speed.
Owner:苏州曾智沃德智能科技有限公司
Mobile phone shell flatness automatic detecting device
InactiveCN108759729AReduce manual measurement errorsMeet testing needsUsing optical meansDrive shaftLaser sensor
The invention discloses a mobile phone shell flatness automatic detecting device. Vertical plates are arranged on the left and right sides of a bottom plate; a top plate is arranged at the top ends ofthe vertical plates; electric push rods are fixed on the top plate; a guide plate is arranged under the top plate; through guide holes are formed in the guide plate; vertical rods are arranged in theguide hole; pressure sensors are arranged on top ends of the vertical rods; drive ends of the electric push rods are fixedly connected to the vertical rods through the pressure sensors; supporting blocks are arranged on the vertical rods and under the guide plate; laser sensors are arranged on the supporting blocks; supporting plate is arranged under the vertical rods; a positioning plate for positioning the mobile phone shell is arranged on the supporting plate; fixing devices for fixing the mobile phone shell are arranged on two sides of the positioning plate; a rotating motor is arranged on the bottom plate and under the supporting plate; and a drive shaft of the rotating motor is fixedly connected to the positioning plate. The distance between the laser sensors and the guide plate isdetected and verified by the laser sensors, the pressure sensors are arranged such that the pressure is consistent when the electric push rods drive the vertical rods to touch the mobile phone shell,thereby reducing manual measurement errors.
Owner:苏州华吉威自动化设备有限公司
TBM hob abrasion geometric dimension vision measurement method and system
ActiveCN111445509ARealize full coverage shootingReduce security risksImage enhancementImage analysisImaging processingEngineering
The invention relates to a TBM hob abrasion geometric dimension vision measurement method and system. The method comprises the following steps of: carrying out image photographing of a pre-processed TBM hob to obtain an unworn cutter hob image; carrying out edge recognition on the hob images of a cutterhead through graphic processing to obtain information Cis (dis, ris) of each hob, then recognizing the hob number, and determining the radius of the ith hob; acquiring an image of a worn hob, carrying out image processing, acquiring information of each worn hob, determining the hob number, and subtracting the radius of the worn hob from the radius of a hob of which the hob number is not worn to obtain the wear condition of each hob.
Owner:CHINA RAILWAY 15TH CONSTR BUREAU GRP +2
Automatic laser scanning galvanometer correcting equipment and laser galvanometer equipment
ActiveCN106891099AAccurate correctionNo distortionLaser beam welding apparatusOptical elementsLaser scanningGalvanometer
The invention provides automatic laser scanning galvanometer correcting equipment and laser galvanometer equipment. The correcting equipment comprises a control box, a scanning head, stepping motor control modules, photoelectric sensors, two guide rails, conveying belts and sensitive paper, wherein the two guide rails are arranged in parallel. The control box is connected with the scanning head, the stepping motor control modules and the photoelectric sensors. Each stepping motor control module is arranged on the corresponding guide rail and used for driving the corresponding conveying belt to move. Under control of the control box, the scanning head can be driven by the stepping motor control modules and the conveying belts to move along the guide rails in the axial direction. The sensitive paper is arranged between the two parallel guide rails. Each photoelectric sensor is arranged at the starting end of the corresponding guide rail. According to the automatic laser scanning galvanometer correcting equipment and the laser galvanometer equipment, a corrected figure is obtained in a linear-scanning manner; the obtained corrected figure is distortionless, rich in feature points, precise in correction and small in error; the mode that the guide rails are combined with the scanning head is adopted, so that an obtained image is large in view field; and the large-format laser galvanometer machining equipment can be corrected, and the structure of original laser machining equipment does not need to be changed.
Owner:HUAZHONG UNIV OF SCI & TECH
Automatic size sorting machine for anti-explosion valve body of battery
The invention discloses an automatic size sorting machine for an anti-explosion valve body of a battery. The automatic size sorting machine comprises a working table, a vibrating disk body, feet and an electric control box, wherein the vibrating disk body comprises a vibrating disk main body, a shield, a track supporting frame, a product storage tank, a first track, a second track and an infrared sensing device. Through the mode, the automatic size sorting machine for the anti-explosion valve body of the battery has the advantages that the sorting efficiency of the anti-explosion valve body of the battery can be effectively improved, and the labor cost is reduced; moreover, the manual measuring error can be greatly reduced, and the occurrence risk of inferior products is reduced.
Owner:苏州井上橡塑有限公司
Sealant production device and system
InactiveCN106902722ASolve the problem of large temperature fluctuations that are difficult to controlAvoid pollutionTransportation and packagingPolyureas/polyurethane adhesivesTemperature controlError reduction
The invention provides a sealant production device and system, and relates to the technical field of production equipment. The sealant production device comprises a mixing device, a first processing device for providing a first raw material to the mixing device, and a second processing device for providing a second raw material to the mixing device; the first processing device comprises a raw material barrel and a reaction kettle which is in matched connection with a temperature control device and a vacuum generator; the raw material barrel, the reaction kettle and the mixing device are connected successively through pipelines to form a first closed transportation channel; the second processing device comprises a dryer and a split box, and the dryer, the split box and the mixing device are connected successively through pipelines to form a second closed transportation channel. The device has the advantages of convenience in operation, labor saving, manual measurement error reduction and work efficiency improvement. The sealant production system comprises the sealant production device. The quality of finished products is improved, the cost is reduced, and large scale production can be achieved.
Owner:XINJIANG KENENG WATERPROOF & PROTECTION TECH CO LTD
Power distribution low-voltage equipment monitoring system
PendingCN112615432ARealize monitoringMonitor securityCircuit arrangementsInformation controlInformation processing
The invention discloses a power distribution low-voltage equipment monitoring system. The system comprises an information processing device, terminal equipment and at least one power distribution low-voltage equipment monitoring device, wherein the power distribution low-voltage equipment monitoring device comprises an information acquisition module, a controller and a first communication module; a first end of the controller is electrically connected with an output end of the information acquisition module and is used for acquiring the state information outputted by the information acquisition module; a second end of the controller is in communication connection with a first end of the first communication module, a second end of the first communication module is in communication connection with the information processing device, and the first communication module is used for sending state information acquired by the controller to the information processing device; the information processing device is used for sending the state information to the terminal equipment; the information processing device is also used for sending an alarm signal to the terminal equipment according to the state information. According to the system, the effect of safely, timely and accurately monitoring the power distribution low-voltage equipment is realized.
Owner:GUANGDONG POWER GRID CO LTD +1
Refrigeration system pipeline measuring method and device
PendingCN110779612AReduce labor costsReduce manual measurement errorsVibration measurement in solidsTransmission systemsRefrigeration compressorControl engineering
The embodiment of the invention provides a refrigeration system pipeline measuring device. The device comprises: a pipeline used for connecting a refrigeration compressor and an evaporator; a data acquisition module used for acquiring vibration parameters of the pipeline and mounted on the pipeline; and a data processing module used for carrying out data processing on the vibration parameters to obtain a detection result. Vibration data of the pipeline are directly detected in a mode of a data acquisition module, the three-dimensional pipeline vibration curve of the pipeline vibration data isanalyzed by the data analysis module, labor cost and errors of manual measurement are reduced, data acquisition, storage and analysis are automatically completed by the device, operation is easy and convenient, efficiency is high, and data are accurate.
Owner:深圳天祥质量技术服务有限公司
Checking fixture for vehicle frame longitudinal beam and longitudinal beam plate material
ActiveCN113124726AEffective positioningReduce manual measurement errorsMechanical measuring arrangementsVehicle frameMeasuring instrument
The invention relates to the technical field of automobile manufacturing and discloses a vehicle frame longitudinal beam and longitudinal beam plate material checking fixture. The checking fixture comprises a mounting platform, a detection base, a positioning pin, a pressing rod and a movable pressing block, wherein the detection base is detachably arranged on the mounting platform, and reference blocks are arranged on the two sides of an upper end of the detection base; the positioning pin is embedded in the detection base, an upper end of the positioning pin protrudes out of an upper surface of the detection base, the pressing rod is inserted into the positioning pin, and the movable pressing block is detachably arranged at an upper end of the pressing rod. According to the checking fixture for the frame longitudinal beam and the longitudinal beam plate material, the frame longitudinal beam or the plate material of the frame longitudinal beam can be effectively positioned, meanwhile, the three-dimensional coordinate measuring instrument is adopted for measurement, manual measurement errors can be reduced, the automation degree is improved, a measurement coordinate system is established, and measurement precision is improved.
Owner:DONGFENG LIUZHOU MOTOR
Building indoor clearance size measuring device and data measuring and analyzing system
PendingCN111624613AAccurate interior headroom dimensionsEasy to measureElectromagnetic wave reradiationStructural engineeringData processing
The invention discloses a building indoor clearance size measuring device and a data measurement and analysis system, and relates to the technical field of data processing equipment. The device comprises a vehicle body and a distance measuring assembly arranged on the vehicle body. The distance measuring assembly is connected with the vehicle body through a horizontal correction assembly. The vehicle body comprises a controller and a driving assembly connected with the controller. The driving assembly is used for enabling the vehicle body to move, the distance measuring assembly comprises a horizontal rotating assembly, a vertical distance measuring assembly and a horizontal distance measuring assembly, the vertical distance measuring assembly and the horizontal distance measuring assemblyare arranged on the horizontal rotating assembly, and the horizontal rotating assembly, the vertical distance measuring assembly and the horizontal distance measuring assembly are electrically connected with the controller. The accuracy of indoor clearance size measurement can be improved.
Owner:NO 2 ENG CO LTD OF CHINA RAILWAY CONSTR 11 BUREAU GRP +1
Cylindrical rotary rheometer device capable of being installed on production line and application method thereof
PendingCN109916777AQuick access to rheological propertiesControl immersion heightFlow propertiesEngineeringManufacturing line
The invention discloses a cylindrical rotary rheometer device capable of being installed on a production line and an application method thereof. The device includes a rheometer base, a material conveying device, a self-cleaning device and a volume adjusting device, wherein the rheometer base is a main place of rheological measurement experiments, the material conveying device is used for controlling material in and out, the self-cleaning device is used for cleaning inner and outer cylinder wall surfaces, the volume adjusting device is used for accurately controlling the volume of experimentalmaterials, the material conveying device is installed between the production line and the rheometer base, the self-cleaning device and the rheometer base are matched to remove the materials left on the rheometer base, and the volume adjusting device is installed in the rheometer base. The device is advantaged in that real-time measurement and rapid acquisition of material rheological properties during production are realized, accurate calculation of the immersion height is achieved through volume control, the cleaning time of changing the materials among the experiments is reduced through a self-cleaning means, and levels of refinement and intelligence of measurement are significantly improved.
Owner:SOUTH CHINA UNIV OF TECH
Device and method for measuring foam mixing ratio of foam fire-fighting system based on density method
PendingCN113504151AHigh measurement accuracyReduce manual measurement errorsSpecific gravity measurementEngineeringStructural engineering
The invention relates to a device and method for measuring the foam mixing ratio of a foam fire-fighting system based on a density method. The device comprises a foam mixed liquid collecting box, wherein the foam mixed liquid collecting box is provided with an ultrasonic liquid level meter and a density meter, the ultrasonic liquid level meter is connected with a plurality of electromagnetic valves arranged on all the most disadvantageous loop headers, each electromagnetic valve is correspondingly connected with a most disadvantageous loop nozzle of the foam fire-fighting system, and when the ultrasonic liquid level meter measures a high liquid level signal of the foam mixed liquid collecting box, the electromagnetic valves are triggered to be automatically closed; and the density meter is connected with the PLC control system, measures the density value of the mixed liquid in the foam mixed liquid collecting box in real time, and transmits data to the PLC control system. According to the invention, the measurement precision of the foam mixing ratio of the foam fire-fighting system can be improved, the manual measurement error is reduced, and the test device has far-reaching significance for avoiding the influence in a conventional test method and improving digital nuclear power.
Owner:CHINA NUCLEAR POWER ENG CO LTD
Monitoring system capable of monitoring floating slab track displacement
ActiveCN112525773AReduce manual measurement timeReduce mistakesUsing optical meansDirect flow property measurementLaser rangingLaser rangefinder
The invention discloses a monitoring system capable of monitoring floating slab track displacement. The system comprises a base, a controller, a power supply, a laser range finder and an alarm; an angle sensor is arranged in the base; the output end of the controller is electrically connected with the alarm; the signal end of the angle sensor and the signal end of the laser range finder are electrically connected with the input end of the controller; position reflecting plates are installed at the two diagonal ends of the base correspondingly; and the positive and negative pole ends of the controller, the angle sensor, the laser range finder and the alarm are electrically connected with the positive and negative pole ends of the power supply. According to the system of the invention, floating slab displacement change can be remotely monitored in real time, a large amount of manual measurement time is saved, the error of manual measurement is reduced, and the working efficiency is improved.
Owner:3TH ENG CO LTD OF CHINA RAILWAY CONSTR 11TH BUREAU GRP +3
The Method of Improving the Precision of Automatic Packing System
ActiveCN110442082BHigh precisionGuaranteed reliabilityProgramme controlComputer controlControl engineeringControl variable
The invention discloses a method of improving the precision of an automatic packing system. The method comprises the steps of adjusting storage location precision, adjusting tray precision, arranginga standard gauge with standard perpendicularity and levelness and adjusting material box precision. According to the method, repetitive locating precision of storage locations, trays and material boxes is optimized respectively, and an error of each part can be controlled within a designated range; a control variable method is adopted to measure and optimize each set of sub-equipment assisted by arobot as a benchmark, so that the design is scientific, and the precision of the storage locations, the trays and the material boxes is optimized in a linked mode; and repetitive locating detection is performed in each step of optimization, so that an accumulated error of the whole system is lowered, and the reliability of the stamping automatic packing system is guaranteed. Besides, the debugging cycle of the stamping automatic packing system is greatly shortened, manual measurement errors are reduced, the method is simple and easy to operate, and later maintenance and rectification are convenient.
Owner:DFSK MOTOR LTD CHONGQING BRANCH CO
Accurate counterpart measurement auxiliary system for overall lifting of complex steel structures before they are put in place
ActiveCN112459501BAccurately reflectReduce labor costsSurveying instrumentsLifting devicesControl engineeringProcess engineering
The present invention relates to the overall lifting operation field of special-shaped steel structure system, in particular, it is an accurate counterpart measurement auxiliary system for the overall lifting of complex steel structure before it is put in place; it includes positioning identification subsystem, data measurement subsystem, data transmission subsystem, calculation and analysis subsystem System and hydraulic lifting subsystem; the invention can quickly and efficiently realize the auxiliary system of point coordinate measurement and counterpart operation, through the combination of positioning identification subsystem, data measurement subsystem, data transmission subsystem, calculation and analysis subsystem and hydraulic lifting subsystem The effect is to reduce the cost of manual work and manual measurement errors, and ensure that the measurement data can quickly and accurately reflect the spatial form of the lifted structure, thereby providing data support for the lifting operation command personnel to issue operation instructions quickly and efficiently.
Owner:中冶(上海)钢结构科技有限公司
Non-invasive intelligent detector for peripheral nerve diagnosis
PendingCN112617750AImprove stabilityGuaranteed stabilityDiagnostic recording/measuringSensorsHuman bodyPhysical medicine and rehabilitation
The invention relates to a non-invasive intelligent detector for peripheral nerve diagnosis, an electrode interface, a network data interface and a power interface are formed in the outer side wall of a box body, a mounting cavity is formed in the box body, a plurality of hosts are arranged at the bottom of the box body, heat insulation plates for dividing the hosts are arranged in the box body, and heat insulation fillers are arranged in the heat insulation plates; a simulation module is used for simulating the body structure of a patient according to the body shape and height of the patient, a phantom marking module is used for recording patient's stimulation and recording position, automatically measuring the distance of patient's stimulation position and establishing a patients diagnosis database in the database. According to the detector, the working efficiency is improved, the manual measurement error is reduced, the influence of subjective artificial diagnosis factors is reduced, the diagnosis result of a patient is accurately diagnosed, the result repetition consistency is improved, in addition, the setting of heat insulation plate can ensure that the hosts do not interfere with each other during working, and the working stability of the main machines is ensured.
Owner:浙江远翔医疗设备有限公司
Intelligent urine volume accurate metering device for critically ill patients
ActiveCN112880794BEasy to installEasy to reuseSpecial purpose weighing apparatusCritically illMedicine
The invention discloses an intelligent urine volume accurate metering device for critically ill patients, relates to the technical field of urine volume monitoring, and solves the problem that the urine volume of existing patients is monitored by visual inspection of urine bag scales by nurses, and a fixed time is required for pouring and measuring. Large errors and other issues. An intelligent precise urine volume measurement device for critically ill patients, including a catheter connection tube, a temporary urine placement mechanism is installed on the outside of the bottom end of the catheter connection tube, and a urine volume weighing device is installed on the upper end of the temporary urine placement mechanism. system, the urine volume weighing system includes a connection mounting plate, a locking knob, a connection seat, a weighing body, a display screen, a connection rod, a guide rod and a limit plate, and two Connecting seat. By temporarily storing and monitoring the urine, the present invention is convenient for improving the monitoring accuracy of urine volume, reducing the error of manual measurement, convenient for storing the urine, reducing the number of times of urine dumping, and reducing the workload of medical staff.
Owner:XUZHOU CENT HOSPITAL
System and method for real-time detection and control of displacement and deformation of foundation pit enclosure
ActiveCN104314063BReal-time measurement of displacement and deformationRealize closed-loop real-time measurement and controlHeight/levelling measurementIn situ soil foundationMeasurement pointData acquisition
Owner:SHANGHAI CONSTRUCTION GROUP
Automatic adjustment control system and method for segmental prefabricated assembled beam formwork
PendingCN112305989AConvenient construction measurementImprove turnover efficiencyControl using feedbackProgramme control in sequence/logic controllersNumerical controlControl system
The invention discloses an automatic adjustment control system for a segmental prefabricated assembled beam formwork, which comprises a digital twinning technology, a numerical control electric spiraldriving rod device, a numerical control measurement system, a matched beam segment, a bottom die trolley and a longitudinal moving track, and the bottom die trolley is connected to the longitudinal moving track through the numerical control electric spiral driving rod device, a bottom die plate is connected above the bottom die trolley, the matching beam section is arranged on the bottom die plate, the fixed end die plate is arranged on the rear side of the matching beam section, the numerical control measuring system is arranged on the fixed end die plate, the numerical control measuring system is connected with a digital twinning technology, and a beam top measuring point is arranged on the upper surface of the matching beam section. Compared with the prior art, the device has the advantages of being convenient to use and operate and capable of being adjusted and controlled in place at a time.
Owner:山东淄博环宇桥梁模板有限公司
Pinch roller device
ActiveCN112705781BGuaranteed levelnessPrevent deviationShearing machine accessoriesEngineeringScrew thread
The present invention relates to the technical field of shearing equipment, and provides a pinch roller device, which includes a lower knife rest, a frame, an upper pinch roller assembly and a lower pinch roller assembly; it also includes a connecting frame, a frame boss, Jacking screw, connecting flange and the first connecting mechanism; the connecting frame is connected to the rear end of the lower pinch roller body; the frame boss is arranged below the connecting frame and connected to the frame; the lower end of the jacking screw is The threaded connection is fixed on the boss of the frame, and the upper end of the top screw abuts against the bottom of the connecting frame; the connecting flange is installed on the top screw and connected with the connecting frame through the first connecting mechanism. By arranging the first fixing device, the rear end of the lower pinch roller body is fixedly connected with the machine frame, so that in the process of pressurizing and pinching the steel plate, the phenomenon of the head and tail of the lower pinch roller is eliminated. The levelness of the lower pinch roller is guaranteed, and the pinch force is prevented from forming a torque on the steel plate when the steel plate is conveyed, causing the steel plate to deviate.
Owner:CHINA ERZHONG GRP DEYANG HEAVY IND
Precise aligning measurement auxiliary system for complex steel structure overall lifting before in-place
ActiveCN112459501AAccurately reflectReduce labor costsSurveying instrumentsLifting devicesControl engineeringProcess engineering
The invention relates to the field of overall lifting operation of a special-shaped steel structure system, in particular to a precise aligning measurement auxiliary system for complex steel structureoverall lifting before in-place. The precise aligning measurement auxiliary system comprises a positioning identification subsystem, a data measurement subsystem, a data transmission subsystem, a calculation analysis subsystem and a hydraulic lifting subsystem. According to the auxiliary system capable of quickly and efficiently realizing point position coordinate measurement and aligning operation, through the combined action of the positioning identification subsystem, the data measurement subsystem, the data transmission subsystem, the calculation analysis subsystem and the hydraulic lifting subsystem, the manual operation cost and the manual measurement error are reduced, the spatial form of the lifted structure can be quickly and accurately reflected by the measurement data, so thatdata support is provided for lifting operation commanders to quickly and efficiently send out operation instructions.
Owner:中冶(上海)钢结构科技有限公司
A method for measuring track flatness
ActiveCN106643445BImprove installation efficiencyIntelligent and precise positioningMechanical roughness/irregularity measurementsOriginal dataAngular velocity
The invention provides a track flatness measuring method. The method includes the following steps of (1) placing a walking mechanism with an acceleration sensor, an angular velocity sensor, a magnetic sensor on a track, and moving the walking mechanism to the corresponding position; (2) acquiring the original data of the acceleration sensor and the angular velocity sensor, and obtaining the pitch angle, the yaw angle and the roll angle of the walking mechanism according to the original data; and (3) determining whether the pitch angle, yaw angle, and roll angle obtained in step (2) within the standard threshold interval, and if the angles are in the standard threshold interval, the track is flat, if not, the track is not flat. The track flatness measuring method can intelligently determine the flatness of the track installation and realize the simplicity, safety and efficiency of the operation of the track installation and detection.
Owner:YIJIAHE TECH CO LTD
Robot system for monitoring horizontal displacement of foundation pit deep layer and automatic monitoring method
PendingCN113175012AReduce mistakesImprove efficiency and accuracyFoundation testingExcavationsRobotic systemsElectric machinery
The invention provides a robot system for monitoring horizontal displacement of a foundation pit deep layer and an automatic monitoring method. The robot system comprises a toothed guide rail and a robot driven by a motor; the toothed guide rail is installed in an inner guide groove of an inclinometer tube; the robot is provided with the motor, a gear combination, a dynamic tilt angle sensor, a tooth number counter, a data acquisition and storage module and a data transmission module; the gear combination is matched with the toothed guide rail, the gear combination is driven by the motor to operate, so that the robot ascends and descends in the inclinometer tube, and the dynamic tilt angle sensor records angle values of the robot at different positions; the tooth number counter positions and records the up-down crawling distance of the robot; data is stored in the storage module; the data transmission module transmits the data to a handheld mobile equipment terminal. According to the robot monitoring system provided by the invention, cable-free measurement is realized, and the robot system is portable; all data acquisition is automatically completed by a measuring device, so that errors caused by manual measurement are reduced, and the efficiency and the accuracy are improved.
Owner:HUAQIAO UNIVERSITY +1
Automatic laser scanning galvanometer correction equipment and laser galvanometer equipment
ActiveCN106891099BAccurate correctionNo distortionLaser beam welding apparatusOptical elementsGalvanometerComputer module
The invention provides automatic laser scanning galvanometer correcting equipment and laser galvanometer equipment. The correcting equipment comprises a control box, a scanning head, stepping motor control modules, photoelectric sensors, two guide rails, conveying belts and sensitive paper, wherein the two guide rails are arranged in parallel. The control box is connected with the scanning head, the stepping motor control modules and the photoelectric sensors. Each stepping motor control module is arranged on the corresponding guide rail and used for driving the corresponding conveying belt to move. Under control of the control box, the scanning head can be driven by the stepping motor control modules and the conveying belts to move along the guide rails in the axial direction. The sensitive paper is arranged between the two parallel guide rails. Each photoelectric sensor is arranged at the starting end of the corresponding guide rail. According to the automatic laser scanning galvanometer correcting equipment and the laser galvanometer equipment, a corrected figure is obtained in a linear-scanning manner; the obtained corrected figure is distortionless, rich in feature points, precise in correction and small in error; the mode that the guide rails are combined with the scanning head is adopted, so that an obtained image is large in view field; and the large-format laser galvanometer machining equipment can be corrected, and the structure of original laser machining equipment does not need to be changed.
Owner:HUAZHONG UNIV OF SCI & TECH
A method for testing the adhesion performance of self-adhesive waterproof membranes in low temperature environments
ActiveCN110849804BAchieve bond strengthFacilitates obtaining pasting performance dataWeather/light/corrosion resistanceUsing mechanical meansRoom temperatureTest chamber
The invention discloses a bonding performance testing method for a self-bonding waterproof roll in a low temperature environment. The scheme comprises the steps: S1, a waterproof roll sample is cut and made; S2, the waterproof roll sample is bonded with a first test connecting block at room temperature to form a first connecting body; S3, the first connecting body and bonding force testing equipment are placed in a low temperature test chamber to be stored for a preset time t1, and a preset temperature value T is preset for the low temperature test chamber; S4, in the low temperature test chamber, the end, far away from the first test connecting block, of the waterproof roll sample is folded by 180 degrees and then bonded with a second test connecting block to form a second connecting body; and S5, in the low temperature test chamber, after the second connecting body is stored for a preset time t2, the bonding performance of the second connecting body is tested on the bonding force testing performance. According to the testing method, the condition of bonding the waterproof roll in the low temperature environment can be simulated, the bonding strength that the waterproof roll can achieve in the low temperature environment is tested, and it is beneficial to acquire the waterproof roll bonding performance data approaching to the actual construction process.
Owner:湖北卓宝科技有限公司 +1
Method and device for intelligently analyzing PPD skin test result based on image recognition
ActiveCN113344914ARealize intelligenceReduce occupancyImage enhancementImage analysisPatient inputEngineering
The invention discloses a method and device for intelligently analyzing a PPD skin test result based on image recognition. The method comprises the following steps that a patient inputs patient identity information and doctor seeing information in an intelligent mobile terminal; the intelligent mobile terminal is provided with a time node for reminding a patient to upload an image, and the intelligent mobile terminal uploads a PPD attempt image shot by the patient to the cloud data processor module through the data encryption transmission module; the cloud data processor module performs image segmentation processing on PPD attempts acquired at different time nodes through the image recognition module; then the size of the hard knot in the segmented hard knot image is calculated; and the hospital terminal receives an analysis result of the cloud data processor module. According to the application, the household intelligent diagnosis of the PPD skin test can be realized, and the medical process of the patient can be recorded, so that the diagnosis process and the treatment process are intelligent, doctors or nurses can know the state of the patient at any time, and convenience is provided for medical personnel and the patient.
Owner:THE FIRST AFFILIATED HOSPITAL OF CHONGQING MEDICAL UNIVERSITY
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