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191results about How to "Measurement stability" patented technology
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Quartz product diameter measurer and measuring method
InactiveCN119492334Aimprove comprehensivenessHigh precisionWork holdersUsing optical meansEngineeringMobile station
The invention relates to the technical field of quartz product measurement, and particularly provides a quartz product diameter measurer and a quartz product diameter measuring method, and the quartz product diameter measurer comprises a clamping mechanism, a moving table, a supporting guide mechanism and a laser outer diameter measuring mechanism. According to the invention, the clamping mechanism, the laser outer diameter measuring mechanism and the supporting and guiding mechanism cooperate with each other, so that the laser outer diameter measuring mechanism measures the diameter of the quartz rod in the circumferential direction in the process that the clamping mechanism drives the quartz rod to rotate axially; meanwhile, the mobile station drives the laser outer diameter measuring mechanism to move in the axial direction of the quartz rod through the supporting and guiding mechanism to measure the diameter, so that the diameter measurement of the quartz rod in the axial direction and the circumferential measurement of different axial positions are realized, the comprehensiveness of the diameter measurement of the quartz rod is improved, and the measurement result has representativeness; and the precision of diameter measurement of the quartz rod is improved.
Owner:ZHEJIANG FULEDE QUARTZ TECH CO LTD
Machine tool cutter space pose on-machine measuring device and measuring method thereof
ActiveCN119609766AAchieving Absolute Measurementsavoid physical deformationMeasurement/indication equipmentsMeasurement deviceGalvanometer
The invention discloses a machine tool cutter space pose on-machine measurement device and a measurement method thereof, and the device comprises a calibration module which is installed at one side of a cutter handle of a cutter; a frequency-modulated continuous wave laser interference system and a galvanometer are installed on a vibration isolation workbench of the machine tool, light beams emitted by the frequency-modulated continuous wave laser interference system achieve conversion of a set angle through the galvanometer so as to cover the calibration module, and a space positioning algorithm is adopted to fit the plane where the target ball is located. And obtaining a deviation value between the mass center and the normal vector in two measurement results before and after machining, and taking the deviation value as the tool space pose error before and after machining of the machine tool, so that rapid and high-precision direct measurement of the tool space pose error is realized. The method has the advantages of being large in measurement range, high in measurement precision, simple in structure and low in cost, and the defect that in an existing method, the position and pose errors of the tool are indirectly calculated through an error model is overcome.
Owner:XI AN JIAOTONG UNIV
Machine vision measuring device
ActiveCN222418934UMeasurement stabilityGuaranteed measurement accuracyMaterial analysis by optical meansUsing optical meansRotary stageMachine vision
The utility model discloses a machine vision measuring device, which belongs to the technical field of vision detection and comprises a working table, a rotating table rotatably connected onto the working table, an electric sliding rail fixedly connected onto the working table, a sliding seat slidably connected onto the electric sliding rail, a rotating rod rotatably connected onto the sliding seat, and a machine vision camera detachably connected with one end of the rotating rod. The output end of the machine vision camera corresponds to the rotating table, a rotating assembly and an auxiliary assembly are arranged between the machine vision camera and the workbench, and the rotating assembly and the auxiliary assembly are matched to control the machine vision camera to rotate so that the machine vision camera can measure the side face of the product. According to the utility model, the machine vision measuring device not only meets the vertical measurement of a product, but also can stably measure the side surface of the product, so that the side surface of the product accurately corresponds to the machine vision camera, and the measurement precision is ensured.
Owner:KUNSHAN YESTEK ELECTRONIC CO LTD
Digital on-line monitoring device for oil level of transformer expansion tank
ActiveCN119437365Aimprove securityimprove accuracyLevel indicators by floatsStationary filtering element filtersExpansion tankTransformer oil
The invention belongs to the technical field of oil conservator liquid level monitoring, and discloses a transformer oil conservator oil level digital online monitoring device which comprises an oil conservator and a control circuit, the top and the bottom of the oil conservator are fixedly communicated with a first pipeline and a second pipeline respectively, a dehumidifier is arranged at the top of the first pipeline, and the transformer oil conservator oil level digital online monitoring device further comprises a monitoring assembly arranged in the oil conservator; and the damping assembly is mounted on the monitoring assembly. According to the scheme, the floating block changes along with the change of the oil level in the oil conservator, and at the moment, the floating block drives the rotating shaft to rotate through the connecting rod, so that the contact position of the sliding sheet and the concave surface of the arc-shaped resistor changes; at the moment, the current passing through the arc-shaped resistor at the position of the sliding piece changes along with the change of the contact position of the sliding piece and the concave surface of the arc-shaped resistor, then the control circuit converts a current signal into the height of the liquid level in the oil conservator and transmits data to a monitoring terminal, and therefore the safety and accuracy of the device for monitoring the oil level of the oil conservator are improved.
Owner:BAODING ZHONGCHUANG ELECTRONIC TECH CO LTD
Fixing structure for installation of sensor and measured object
ActiveCN222652266Ufirmly connectedMeasurement stabilityMeasurement apparatus housingsFailure rateControl engineering
The utility model discloses a fixing structure for installation of a sensor and a measured object, and the fixing structure comprises a sensor housing, a fixing plate and an assembling assembly, the fixing plate is arranged between the sensor housing and the assembling assembly, the assembling assembly comprises an assembling body and a stud, the stud sleeves the assembling body, and the sensor housing is fixed with the measured object through the assembling body in a bolt and / or magnetic attraction manner; fixing of the sensor shell and the measured object is achieved through the assembly body, the fixing modes include the bolt mode and the magnetic attraction mode, a user can select the corresponding assembly mode according to the field environment, connection between the sensor and the measured object is firmer, the installation mode is simple, convenience of operation is improved, the application range is wider, and practicability is high. The flexibility is higher; compared with the prior art, the sensor has the advantages that the structure is simple, the equipment failure rate caused by unstable connection can be reduced, various parameters of a measured object can be stably measured so as to improve the measurement accuracy, and in addition, the fixing plate arranged between the sensor shell and the assembly body can further play a role in supporting and stabilizing.
Owner:SICHUAN SHUANGYUAN INTELLIGENT TECH CO LTD
Angle measuring device for cast-in-place box beam
ActiveCN118794395BMeasurement stabilityImprove structural defectsUsing mechanical meansMaterial analysisAbnormal positionsMarking out
The present invention discloses an angle measuring device for a cast-in-place box girder, and specifically relates to the technical field of box girder measurement, comprising two box girder seats, on which a box girder body is jointly supported, two guide rails are symmetrically installed on both sides of the two box girder seats, and walking parts are installed on the two guide rails. The two measuring mechanisms of the present invention use two flexible follow-up mechanisms to complete flexible contact with the box girder body. Such a design can avoid damage caused by the rigid contact between the measuring mechanism and the box girder body while ensuring a stable measurement effect, and is conducive to completing the measurement action in the walking state. At the same time, two marking mechanisms are used to complete the linkage with two flexible follow-up mechanisms. Therefore, when the angle of the box girder body is measured to be abnormal, the marking mechanism is driven to complete the follow-up marking, which is conducive to the staff to subsequently learn the abnormal position of the box girder body, and is conducive to discovering the structural defects of the box girder body, which is convenient for the subsequent transformation and upgrading of the box girder mold.
Owner:CHINA RAILWAY SEVENTH BUREAU GRP XIAN RAILWAY ENG CO LTD +1
Wearable health detection device and method
InactiveCN119498795AMeasurement stabilityImprove measurement accuracySensorsDiagnostic recording/measuringPhysical therapyMechanical engineering
The invention discloses a wearable health detection device and method, and belongs to the technical field of health detection devices. A wearable health detection device comprises a device body, the device body comprises a fitting plate and a rotating plate which are hinged to each other, the fitting plate is used for being matched with the waist of a patient, and the rotating plate is used for being matched with the arms of the patient; and a fitting part matched with the armpit of a patient is formed at the fitting plate. Through the arrangement of the attaching plate and the rotating plate which are hinged to each other, the attaching plate is matched with the waist, and the rotating plate is matched with the arms, the device can flexibly adapt to the body type and posture of a patient, and the device is more stable and not prone to falling off or dislocation when worn. The temperature measuring assembly is slidably arranged through the through opening, so that when the rotating plate rotates, the temperature measuring assembly can be driven to be tightly attached to the armpit of the patient, the patient does not need to clamp the temperature measuring assembly with extra force, it is ensured that the temperature measuring assembly can keep stable contact in the measuring process, and measuring errors caused by dislocation or looseness are reduced.
Owner:THE SEVENTH AFFILIATED HOSPITAL OF XINJIANG MEDICAL UNIV
Measuring device for engineering surveying
A measuring device for engineering surveying comprises a mounting frame, a protection mechanism and an adjusting mechanism, a laser range finder is mounted on the inner side of the mounting frame through the adjusting mechanism, the protection mechanism is connected to the left side of the laser range finder, a laser probe is fixedly mounted on the left side of the laser range finder, and the laser probe is located on the inner side of the protection mechanism. And a locking mechanism is mounted on the outer side of the mounting frame. By arranging the protection mechanism, after the laser range finder is used, a plurality of groups of protection plates can be rotationally closed through a rotating ring, and the left end opening of a protection sleeve is blocked, so that a closed space for the laser probe is formed, impurities such as flying sand and dust are prevented from entering the laser probe, the laser probe is effectively protected, and the service life of the laser probe is prolonged. By arranging the adjusting mechanism, during actual measurement, the adjusting handle is rotated to drive the rotating gear to rotate, so that the adjusting gear drives the rotating shaft to rotate, the angle of the laser range finder is increased or decreased, and measurement operation is facilitated.
Owner:尹思琦
A movable verticality detection device for engineering quality inspection
ActiveCN118758276Breduce distractionsImprove the vibration isolation effectIncline measurementReference line/planes/sectorsTransmitted powerEngineering
The present invention relates to a movable verticality detection device for engineering quality inspection applied to the technical field of measuring devices. The device adopts a spherical shell sealing structure, the interior of which is filled with liquid and evacuated to improve vibration isolation performance. The device is provided with a horizontal shell and a vertical shell supported by buoyancy, and resists external disturbances through a high-speed rotating turntable to provide a stable reference direction. Laser reflection lenses and prisms are used to project a laser beam onto the surface of an object to be measured, and the verticality is judged by comparing the light band deviation. The device adopts a conductive coil to transmit power and signals, and a laser angle detection component corrects errors in real time. The permanent magnet adsorption method is easy to install, and the controller realizes automatic operation and data processing, thereby improving detection efficiency and accuracy. The present invention integrates laser and electronic technologies, realizes automatic and intelligent detection, improves detection accuracy and efficiency, is suitable for engineering construction, precision instrument calibration and other fields, and has broad application prospects.
Owner:JIANGSU ZHENGLU ENG INSPECTION CO LTD
Precise current transformer measurement and data analysis method
PendingCN119644231AImprove response accuracyGuarantee stabilitySpectral/fourier analysisCurrent/voltage measurementMagnetic stabilityMathematical model
The invention discloses a precision current transformer measurement and data analysis method, particularly relates to the field of current detection and dynamic signal analysis, and comprises a precision magnetic core design scheme based on a nanocrystalline strip and a dynamic magnetic performance test and frequency response analysis method. A nanocrystalline strip with high magnetic conductivity and low loss characteristics is selected as a magnetic core material, and a high-performance magnetic core suitable for multiple frequency ranges is designed; the magnetic stability and response characteristics of the magnetic core material under different working conditions are evaluated by combining high-frequency current source excitation with dynamic magnetic performance test; a signal acquisition and frequency decoding technology is adopted, an output voltage signal is analyzed in real time, and the linearity and precision of a measurement system are optimized through a mathematical model; according to the method, accurate measurement and data analysis of complex current signals under high-precision and high-frequency conditions are realized, and the applicability and reliability of the current transformer are improved.
Owner:ANHUI SMAGNET MATERIALS TECH CO LTD
Quantitative visual detection device for underwater fishery resources
PendingCN119611727Areduce accumulationReduce running noisePropulsive elements of non-rotary typeClosed circuit television systemsMarine engineeringElectrical battery
The invention discloses a quantitative visual detection device for underwater fishery resources, and relates to the technical field of fishery resource detection, the inner side of an elliptical hard sleeve is fixedly connected with an internal load-bearing frame, the inner side of the internal load-bearing frame is embedded and clamped with a fixed battery, and one end of the internal load-bearing frame is embedded with a control recorder; supporting alignment plates are symmetrically welded to one end of the oval hard sleeve, limiting springs are symmetrically installed at one ends of the supporting alignment plates, a closed waterproof sleeve is installed between the two limiting springs, through mutual cooperation of a plurality of components, switching of different operation modes of equipment in the moving process and the detection process is achieved, and the problem that in the prior art, the detection efficiency is high is effectively solved. The invention aims to solve the problem of inaccurate detection caused by the influence of high noise on animals, reduces the influence of impurities on equipment operation by utilizing multiple groups of protection operations and self-separation operations, improves the stability and safety of equipment operation, and improves the detection range and the detection accuracy by matching with multi-angle and multi-position detection.
Owner:HEBEI AGRICULTURAL UNIV.
A temperature-salinity deep ocean flexible sensor and its preparation method
The present invention discloses a temperature-salinity-depth ocean flexible sensor and a preparation method thereof, and belongs to the field of marine environment monitoring. The flexible sensor comprises a flexible film, on which a temperature sensor, a salinity sensor and a pressure sensor are arranged; the flexible film comprises a bottom flexible film layer and a top flexible film layer; the pressure sensor comprises a bottom electrode, a top electrode and a pressure-sensitive unit layer; an insulating layer is arranged on the top surface of the bottom flexible film layer, and the bottom electrode and the temperature sensor are both arranged on the insulating layer; the top electrode is arranged on the bottom surface of the top flexible film layer, and a TPU ink layer is also arranged between the top flexible film layer and the bottom flexible film layer; the salinity sensor is arranged on the top surface of the top flexible film layer. The flexible temperature-salinity-depth sensor of the present invention is an integrated three-dimensional sensor unit with high stability and reliability, and is conducive to integration with different platforms for monitoring the temperature-salinity-depth environment of the ocean.
Owner:OCEAN UNIV OF CHINA +2
Metal film thickness detection device
ActiveCN222298721Uimprove matchAvoid inaccurate test resultsElectrical/magnetic thickness measurementsImage resolutionMetal membrane
The utility model relates to the technical field of metal film thickness monitoring, and discloses a metal film thickness detection device, which comprises a control module, a waveform generation module, a sensor, a sampling module and a signal modulation module, and is characterized in that a communication end of the control module receives command signals, and a first output end of the control module is connected with an input end of the waveform generation module; the second output end is connected with the first input end of the signal modulation module; the input end of the waveform generation module inputs driving signals, and the output end of the waveform generation module is connected with the control end of the sensor; the detection end of the sensor covers a detected metal film; the input end of the sampling module is connected with the output end of the sensor, and the output end of the sampling module is connected with the second input end of the signal modulation module; the first input end of the signal modulation module inputs modulation signals, and the output end of the signal modulation module is connected with the input end of the control module. According to the utility model, the bias and amplification parameters of the detection device can be adjusted, so that the detection device can be matched with sensors with different resolutions.
Owner:BEIJING SEMICORE MICROELECTRONICS EQUIPMENT CO LTD
A tool for measuring the swing distance of a tilt test
ActiveCN224340950USolve the problem of inaccurate offset distance measurementThe combination structure is simple and feasibleMechanical measuring arrangementsIncline measurementSimulationControl theory
The utility model discloses a kind of tool of inclination test swing distance measurement, wherein, tool of inclination test swing distance measurement includes pendulum and guide pipe, pendulum and guide pipe are connected by first cycloid, level pointer is provided on guide pipe, the pointing direction of level pointer is perpendicular to the central axis of guide pipe;Tool further includes test box body, test box body is provided with test liquid, upper cover is provided with guide port, the edge of guide port is provided with scale, pendulum can enter test box body inside via guide port, until being completely immersed by test liquid, at this time, level pointer and scale overlap intersection, when test box body is inclined, level pointer and scale can read out swing distance.The tool of inclination test swing distance measurement can accurately read swing distance, solve the problem of inaccurate measurement according to cycloid offset distance directly in traditional method, when testing, pendulum is completely immersed by test liquid, and damping effect makes measurement more stable.
Owner:SHENZHEN BRANCH CHINA NAT OFFSHORE OIL CORP +2
Echo depth sounder for ship sailing in ice region, installation structure of echo depth sounder and ship provided with echo depth sounder
The invention discloses an ice sailing ship. The present invention relates to a ship for sailing in an ice region, comprising: a skeg formed at the lower part of a stern; and the echo depth finder is arranged on the skeg and is configured to emit ultrasonic pulses to the seabed, receive the ultrasonic pulses reflected back from the seabed and calculate the depth of the seabed based on the time required for returning the ultrasonic pulses.
Owner:HANWHA OCEAN CO LTD (KR)
A workpiece inner cone theoretical diameter drop gauge
ActiveCN224285750UGuaranteed accuracyGuarantee stabilityMechanical diameter measurementsMechanical componentsUniversal joint
This utility model belongs to the technical field of mechanical parts inspection tools, and relates to a workpiece inner cone theoretical diameter difference gauge. It includes a base, a reference seat and a measuring frame on the base. The measuring frame includes a support column, a cylinder, a measuring frame pressure plate, and a guide positioning mandrel. The support column is mounted on the base, and the cylinder is mounted on the support column. The measuring frame pressure plate is connected to the cylinder via a universal joint. The guide positioning mandrel is located at the center of the measuring frame pressure plate. The outer diameter of the measuring frame pressure plate is the same as the theoretical outer diameter of the workpiece. The guide positioning mandrel has a conical guide surface adapted to the inner cone of the workpiece. This utility model, through precise structural design and positioning method, uses the workpiece reference surface as the positioning reference, uses the measuring frame pressure plate to locate the theoretical diameter of the workpiece's conical inner hole, and measures the distance from the circumference of this theoretical diameter to the end face of the reference seat using an indicator. This improves the stability and accuracy of the measurement, is easy to operate, and saves labor.
Owner:YANTAI AXLETREE PRECISION INSTR CO LTD
Three-dimensional reconstruction method and system based on frequency domain phase consistency and multi-cue fusion
The application discloses a three-dimensional reconstruction method and system based on frequency domain phase consistency and multi-cue fusion, and relates to the technical field of three-dimensional reconstruction. The method comprises the following steps: collecting images of a target semiconductor packaging structure, forming a focus stack, setting analysis parameters, extracting four-dimensional depth cues from three dimensions of a frequency domain, a time domain and a space domain in parallel, obtaining a four-dimensional cue matrix, tracking time sequence peaks of each cue in the four-dimensional cue matrix pixel by pixel, performing sub-pixel fitting, fusing the fitted four-dimensional cues through Bayesian maximum a posteriori probability estimation, generating a coarse depth map and a confidence map, performing Markov random field space regularization optimization to generate an optimized depth map, adaptively smoothing the optimized depth map based on the fused confidence map, and generating a three-dimensional depth map and a full-focus image. The application can provide an efficient, stable and engineerable new technical path for three-dimensional online detection of wafer-level advanced packaging.
Owner:BEIJING BOVISION TECH CO LTD
Dynamic cable tension testing instrument
ActiveCN119595162Aimprove accuracyImprove reliabilityTension measurementBridge engineeringReal-time data
The invention discloses a dynamic cable tension testing instrument, and particularly relates to the technical field of bridge engineering monitoring. The dynamic cable tension testing instrument comprises a mounting base, a mounting frame is fixed to the bottom of the mounting base, two riding wheels are rotatably mounted on one side of the mounting frame and located on the same level, a pressing wheel assembly is arranged on one side of the mounting frame, and the pressing wheel assembly is matched with the two riding wheels to press a traction cable to be bent. The pressing roller assembly comprises a frame, a pressing wheel is rotationally installed in the frame, during detection, the traction cable is located between the two riding wheels and the pressing wheel, and a triangular frame is arranged below the frame. The dynamic cable tension test instrument provided by the invention can collect data of the pressure sensor in the moving process of the traction cable, can monitor the tension change of the traction cable in real time, and provides real-time data support for construction.
Owner:CHANGAN UNIV
Rail brace facade measuring vernier caliper
Owner:CHINA RAILWAY BAOJI BRIDGE (NANJING) CO LTD +1
A measuring system and method for measuring the pH value of low-conductivity water samples
The application relates to the technical field of water quality analysis, and discloses a pH value measuring system and measuring method for low-conductivity water samples, which comprises a cooler, an electric regulating valve, a thermometer, a first online conductivity meter, a mixing pipe, a variable-frequency dosing pump, a second online conductivity meter, a pH meter and a PLC controller; the PLC controller is electrically connected with the thermometer, the electric regulating valve, the first online conductivity meter, the second online conductivity meter and the variable-frequency dosing pump respectively. The water sample is cooled by the cooler and temperature closed-loop control is adopted, so that the interference of temperature change on pH measurement is eliminated; KCl standard solution is added into the low-conductivity water sample and conductivity closed-loop control is adopted, so that the influence of liquid junction potential is reduced; the value drift problem caused by temperature fluctuation and liquid junction potential in the pH measurement of the low-conductivity water sample is effectively solved; and the accuracy and stability of the pH measurement are improved.
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD +1
Glass grating ruler
PendingCN119501683Aavoid damageEfficient removalMeasurement/indication equipmentsUsing optical meansNumerical controlGrating
The invention relates to the technical field of glass grating rulers, in particular to a glass grating ruler which comprises a numerical control machine tool, a mounting seat is fixedly mounted in the numerical control machine tool, a glass circular grating ruler is mounted on the mounting seat, a rotating ring is rotatably connected to the mounting seat, and a fixed seat is fixedly connected to the rotating ring. A transmission mechanism is arranged on one side of the movable air guide frame in a sliding fit mode, a grating ruler cleaning mechanism is rotatably connected to the movable air guide frame, and a motor cover is fixedly arranged in the mounting base in a penetrating connection mode. Metal cuttings on the surface of the grating ruler can be efficiently removed through the bristles, dependence on manual intervention is reduced through automatic cleaning, the labor intensity of manual cleaning and the misoperation possibility are reduced, meanwhile, grating ruler damage caused by improper cleaning of operators is avoided, and the working efficiency is improved. And the reading of the grating ruler is not interfered and the operation stability of a machine tool is ensured.
Owner:NANJING NINGDONG OPTOELECTRONICS TECHNOLOGY CO LTD
Laser combustible gas detector calibration device and method
PendingCN119269434AMeasurement stabilityavoid scatterColor/spectral properties measurementsCombustible gasDetector calibration
The invention discloses a laser combustible gas detector calibration device and method. The laser combustible gas detector calibration device comprises a standard gas chamber, the standard gas chamber comprises a gas chamber cylinder, an inlet valve, an outlet valve, a polytetrafluoroethylene light-transmitting film, a light shield and a light shield plate; through holes are respectively formed in the circumferential surfaces, close to the two ends, of the air chamber cylinder; the inlet valve and the outlet valve are respectively communicated with the two through holes; the two ends of the air chamber cylinder are sealed through polytetrafluoroethylene light-transmitting films, and a shading plate is detachably connected to the outer portion of one polytetrafluoroethylene light-transmitting film. The measurement performance of the laser combustible gas detector can be calibrated.
Owner:PETROCHINA CO LTD
A pectinate combing machine
This utility model discloses a netball and badminton large coil string shearing machine, including a workbench. Four legs are fixedly installed at the bottom of the workbench, and two large coil string supports are fixedly installed at the top of the workbench. Netball and badminton large coil strings are movably installed between the two supports via positioning pins. Two support rods are fixedly installed at the top of the workbench, and an anti-skip string device is movably installed at the top of each support rod. A meter counter and a meter display are fixedly installed at the top of the workbench, and a fixed plate is fixedly installed at the top of the workbench. A support frame is fixedly installed on one side of the fixed plate, and a rotator is fixedly connected to one side of the support frame. One end of the rotator's movable shaft passes through the support frame and is fixedly connected to a take-up reel. This netball and badminton large coil string shearing machine solves the problem of stringers often relying on rulers during the stringing process, which easily leads to string tangling, greatly improving the stringer's work efficiency.
Owner:杨硕涛
Level gauge measurement auxiliary device
InactiveCN222318111UGuaranteed accuracyimprove accuracyMeasurement devicesStructural engineeringLevel measurement
Owner:邢维顺
Torque testing tool and testing method
PendingCN121762102AEasy extractionaccurate measurementMeasurement of torque/twisting force while tighteningWork measurementPhysicsPower output
The invention belongs to the technical field of oil and gas equipment, and discloses a torque test tool and a test method. The torque testing tool comprises a first transmission piece and a second transmission piece which are connected with each other, the first transmission piece is provided with a sensing section located between the clamping section and the connecting part, and the sensing section is provided with a measuring unit. The torque measuring method comprises the following steps: connecting the two transmission pieces in a threaded manner; the first clamping section and the second clamping section are respectively clamped by a clamping assembly of the spinning equipment; the power output part drives the clamping assembly to perform spinning operation, so that the first transmission piece rotates relative to the second transmission piece; the torque generated by rotation between the first transmission piece and the second transmission piece is measured through a measuring unit arranged on the sensing section. The measuring unit is arranged on the sensing section outside the clamping area, interference of clamping deformation on measurement is effectively isolated, accurate and stable measurement of dynamic torque under the real spinning working condition is achieved, and the device and the method are particularly suitable for torque testing scenes of equipment with compact upper and lower clamping assembly spacing such as iron roughneck and the like.
Owner:HUNAN SANY PETROLEUM TECH
Measuring device for decoration
PendingCN119665780Aaccurate calculationImprove convenienceAngles/taper measurementsRulers for direct readingProtractorMeasurement device
The invention discloses a measuring device for decoration, and relates to the field of indoor decoration, the measuring device comprises a protractor, the protractor is provided with a ruler, the bottom of the ruler is provided with a lineation structure, the lineation structure comprises a lantern ring, and embedded grooves are formed in the positions, close to one end, of the top of the ruler and the circle center of the bottom of the protractor in a penetrating mode; limiting blocks are rotationally connected into the two embedded grooves, a connecting shaft is fixedly connected between the two limiting blocks, the connecting shaft is rotationally connected with the ruler and the protractor, a sliding ruler is arranged at the bottom of the ruler, a through groove is formed in the position, close to one end, of the top of the sliding ruler in a penetrating mode, and the lantern ring is located in the through groove; two fixing shafts are fixedly connected to the outer surface of the lantern ring, fixing elastic films are fixedly connected to the top and the bottom of the lantern ring, the lantern ring is rotationally connected with the sliding ruler through the two fixing shafts, and an arc groove is formed in the position, close to one end, of the top of the straight ruler and penetrates through the bottom. And by arranging the scribing structure, the convenience and accuracy of measurement are improved, and various decoration and decoration requirements are met.
Owner:HEFEI HONGCHANG TECH CO LTD
A flatness detection tool and detection method for installation surface of ship sea valve
ActiveCN113916110BHigh measurement accuracyImprove measurement reliabilityMechanical roughness/irregularity measurementsMarine engineeringMechanical engineering
Owner:WUCHANG SHIPBUILDING INDUSTRY GROUP CO LTD
Thickness measuring system and measuring method
PendingCN119146905AGuaranteed accuracyimprove accuracyUsing optical meansMeasurement deviceRobot hand
The invention provides a thickness measuring system and method, and relates to the technical field of measuring equipment, the thickness measuring system comprises a measuring device which comprises a base, a first measuring mechanism and a second measuring mechanism, the first measuring mechanism comprises a first driving assembly and a first measuring instrument connected with the first driving assembly, the first driving assembly is installed on the base, and the second driving assembly is installed on the base; the first driving assembly is used for driving the first measuring instrument to move along a first direction; the second measuring mechanism comprises a second driving assembly and a second measuring instrument connected with the second driving assembly, the second driving assembly is installed on the base and located on the opposite side of the first driving assembly, and the second driving assembly is used for driving the second measuring instrument to move in the first direction; a measuring space for placing a workpiece is defined between the first measuring instrument and the second measuring instrument; and the manipulator mechanism is used for grabbing the workpiece and moving the workpiece to the measurement space. According to the embodiment of the invention, the two sides of the workpiece are subjected to point taking measurement, so that the thickness measurement accuracy is improved.
Owner:广东长信精密设备有限公司
Novel optical fiber macrobend testing device
ActiveCN224095368UGuaranteed test efficiencyGuaranteed test accuracyOptical apparatus testingFiberEngineering
The utility model relates to the technical field of optical fiber macro-bending testing, and discloses a novel optical fiber macro-bending testing device which comprises a supporting plate, a sliding plate block and a fixed plate block, the U-shaped wheel is rotationally connected to the upper surfaces of the sliding plate block and the fixed plate block; and the fixed clamp assembly is arranged on the upper surfaces of the sliding plate and the fixed plate, and the surface of the fixed plate is connected with a limiting sliding block. According to the novel optical fiber macrobend testing device, one end of a tested optical fiber is fixed on the right side fixing clamp assembly, the remaining part of the optical fiber is wound around the U-shaped wheel close to the fixing clamp assembly, then the optical fiber is pulled to the U-shaped wheel at the topmost end in the middle to be wound around, and the optical fiber is pulled to the U-shaped wheel close to the left side fixing clamp assembly all the time; finally, the optical fiber penetrates through the fixing clamp assemblies to be fixed, the sliding plate block is pushed, the remaining optical fiber is slightly loosened along with pushing of the sliding plate block to be attached to the limiting sliding block, and the optical fiber is fixed to the fixing clamp assembly on the left side.
Owner:SICHUAN TONGGUANG CABLE CO LTD +3
High-purity water PH electrode capable of automatically adding ion enhancer
ActiveCN222189180UImprove conductivityMeasurement stabilityMaterial electrochemical variablesStationary filtering element filtersSample waterConductivity
The utility model belongs to the technical field of PH electrodes, and particularly relates to a high-purity water PH electrode capable of automatically adding an ion enhancer, which comprises an electrode tube, the lower end of the electrode tube is in threaded connection with a sealing cover, a sealing gasket is arranged at the joint of the electrode tube and the sealing cover, and the sealing cover is provided with a PH electrode; the filling pipe is arranged at the upper end of the electrode pipe; the quantitative liquid adding mechanism is arranged on the sealing cover; the protection mechanism is arranged at the lower end of the sealing cover; wherein the quantitative liquid adding mechanism comprises a cavity, the cavity is formed in the sealing cover, a liquid inlet pipe communicated with the cavity is arranged on the sealing cover, a liquid inlet groove communicated with the interior of the sealing cover is further formed in the inner ring of the cavity, and a plugging piece is rotationally connected to the interior of the cavity. According to the device, the purpose of automatically and quantitatively adding the ion enhancer can be achieved, and the conductivity of sample water is improved, so that the PH can be more stably measured.
Owner:NANJING LEMON TECH DEV CO LTD