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InSAR (Interferometric Synthetic Aperture Radar) deformation inversion method for lifting rail offset correction
PendingCN120294749AImage enhancementImage analysisMonitoring siteInterferometric synthetic aperture radar
The invention discloses an InSAR (Interferometric Synthetic Aperture Radar) deformation inversion method for lifting rail offset correction, and mainly relates to the technical field of surface deformation monitoring. In order to solve the problem that the deformation monitoring quantity of the existing multi-dimensional small baseline set formed aperture radar interference is obviously lower than the actual deformation quantity, a time sequence deformation observation equation is established by using multi-orbit synthetic aperture radar data, an ascending-orbit small baseline set InSAR settlement monitoring point cloud and a descending-orbit small baseline set InSAR settlement monitoring point cloud are calculated respectively, point cloud registration is carried out, and the settlement monitoring point cloud of the ascending-orbit small baseline set InSAR settlement monitoring point cloud is calculated to obtain the settlement monitoring point cloud of the descending-orbit small baseline set InSAR settlement monitoring point cloud. Calculating the offset of the monitoring result of the lifting rail in the vertical, east-west and south-north directions; calculating to obtain an ascending orbit incidence angle correction number and a descending orbit incidence angle correction number of the synthetic aperture radar image by using the offsets of the ascending orbit monitoring result in the vertical direction, the east-west direction and the south-north direction; and finally, constructing a multi-dimensional small baseline set InSAR deformation inversion model containing lifting rail offset correction, solving to obtain a corrected deformation monitoring quantity, and improving the deformation monitoring precision.
Owner:SHANDONG UNIV OF SCI & TECH
Fluid tactile sensors
ActiveUS12332046B2Force measurement by measuring optical property variationUsing optical meansMedicineTactile sensor
A topographical measurement system may include a tactile sensor using a contained fluid as an imaging medium.
Owner:GELSIGHT INC
Method, device and equipment for measuring inner contour of plunger piston shoe assembly and storage medium
The invention discloses a plunger piston shoe assembly inner contour measuring method, device and equipment and a storage medium, liquid is added into an inner contour space of a plunger piston shoe assembly, the liquid adding amount in the inner contour space and the pressure in the inner contour space are obtained, and the mapping relation between the liquid adding amount and the pressure is established, the inner contour space comprises a gap between the wrapping and pressing part and the ball head part, a ball head hole and a wrapping and pressing hole; a first area and a second area in the mapping relation are obtained, the first area is used for representing the relation between the liquid adding amount and the pressure when a part of the gap and the ball head hole are filled with liquid, and the second area is used for representing the relation between the liquid adding amount and the pressure when the other part of the gap is filled with the liquid; and establishing a coordinate system, and calculating the inner contour of the wrapping and pressing part according to the physical properties of the liquid, the first region and the second region. According to the method for measuring the inner contour of the plunger piston shoe assembly, the inner contour of the wrapping and pressing part of the plunger piston shoe assembly can be nondestructively detected.
Owner:WEICHAI POWER CO LTD
Shield tunnel ground surface settlement stress detection device and pavement settlement treatment method
The invention provides a shield tunnel ground surface settlement stress detection device and a pavement settlement treatment method, and relates to the technical field of shield tunnel construction. The detection device comprises a vertically arranged pipe body, the lower end of the pipe body is connected with a hollow elastic bag body, the upper end of the pipe body is connected with a water inlet pipe and an exhaust pipe, the water inlet pipe is provided with a pressure gauge and a water inlet valve, and the exhaust pipe is provided with an exhaust valve. According to the pavement settlement treatment method, an existing ground surface settlement detection mode is changed, measurement of the ground surface settlement amount is changed into measurement of the soil layer internal stress change amount, and a reliable basis is provided for pavement settlement treatment. According to the method, a ground surface settlement area and a soil layer stress reduction area can be quantitatively delineated according to the reduction amount of the water pressure of each elastic bag body, and then targeted grouting is performed, so that the soil layer stress is recovered to a stable and balanced state before tunnel excavation, and the problems of settlement and collapse of a paved pavement after a subway is opened are fundamentally solved.
Owner:YELLOW RIVER ENG CONSULTING CO LTD
Multifunctional municipal road crack detection device
PendingCN120506872AMechanical depth measurementsSpraying apparatusStructural engineeringMechanical engineering
The invention relates to the technical field of road detection, in particular to a multifunctional municipal road crack detection device which comprises a sweeping board, a detection mechanism is arranged at the top end of the sweeping board, the detection mechanism comprises a damping tube mounted above the sweeping board, a pressing rod slides in the damping tube, a probe is arranged at the bottom end of the pressing rod, and the probe is connected with the sweeping board. Dust and sundries around a crack are removed through a dust suction pump, the accuracy of measuring the depth of the crack through a probe is improved, an operator pulls a grip manually, the depth of the crack is accurately measured through scale marks on a damping pipe, data support is provided for repairing work, meanwhile, a pressing rod and damping liquid are used for pushing a push rod in a sleeve to move, and the repairing efficiency is improved. The position of the blocking plate is adjusted, the pigment flow is accurately controlled, the color depth is marked according to the crack depth, the severity of the crack is visually reflected, clamping of the clamping block and the clamping strip is controlled through air pressure change when the dust suction pump works, the probe is prevented from being damaged due to collision, the service life is prolonged, and the maintenance cost is reduced.
Owner:CHINA MCC22 GROUP CORP LTD
Method, device and equipment for measuring inner contour of plunger piston shoe assembly and storage medium
The invention discloses a plunger piston shoe assembly inner contour measuring method, device and equipment and a storage medium, the plunger piston shoe assembly inner contour measuring method comprises the following steps: filling the inner contour space of a plunger piston shoe assembly with liquid; liquid in the inner contour space is discharged, the liquid discharge amount in the inner contour space and the pressure in the inner contour space are obtained, and the mapping relation between the liquid discharge amount and the pressure is established; a first area and a second area in the mapping relation are obtained, the first area is used for representing the relation between the liquid discharge amount and the pressure when the liquid in one part of the gaps and the liquid in the ball head hole are discharged, and the second area is used for representing the relation between the liquid discharge amount and the pressure when the liquid in the other part of the gaps is discharged; and establishing a coordinate system, and calculating the inner contour of the wrapping and pressing part according to the physical properties of the liquid, the first region and the second region. According to the method for measuring the inner contour of the plunger piston shoe assembly, the inner contour of the wrapping and pressing part of the plunger piston shoe assembly can be nondestructively detected.
Owner:WEICHAI POWER CO LTD
Karst cave surveying equipment for deep hole
InactiveCN120122232AProspecting/detection of underground/near-surface gasesUsing fluid meansKarstCave
The invention relates to the technical field of karst cave exploration, and discloses deep hole karst cave exploration equipment which comprises a moving body, a center groove is formed in the center of the moving body, a deformation groove is formed in the side edge of the moving body in an up-down sliding mode, and a telescopic mechanism is arranged between the deformation groove and the side edge of the moving body. By arranging the detection body, the detector, the direction nozzle, the power nozzle, the stable extension pipe, the heat insulation flexible pipe and the like, the device can pass through a deep detection hole and enter a karst cave, the power nozzle sprays air outwards to drive the detection body to move forwards, and the detection body can be driven to move forwards. The direction nozzle sprays air to adjust the angle of the detection body, and the air drives the detection body to be flexibly utilized in the karst cave.
Owner:ZHEJIANG COLLEGE OF ZHEJIANG UNIV OF TECHOLOGY
Grouting body surface roughness measuring equipment and measuring method
The invention discloses grouting body surface roughness measuring equipment and a measuring method, and the equipment comprises a sample forming device which comprises a sample forming box; the liquid injection device comprises a liquid injection container and a connecting pipe, the two ends of the connecting pipe are connected to the sample forming box and the liquid injection container respectively, and first liquid is loaded in the liquid injection container; the measuring device comprises a measuring container and a balance, the balance detects the weight change of the measuring container, and the measuring container is filled with second liquid; and the cooling device is connected with the sample forming box and transmits cold energy. By injecting the first liquid and adopting a cooling condensation mode, the process of actual grouting and waiting for slurry solidification is simulated, the condensation time is shorter so as to save the experiment time, and after the experiment, the sample can be heated to be melted and recycled, the experiment can be repeated for multiple times, and the waste of materials in the experiment process is reduced. Moreover, the second liquid is used for replacing traditional sand, and the second liquid can flow into various tiny gaps, so that the detection precision is higher.
Owner:SUN YAT SEN UNIV
Stator oil hole detection device based on air flow change and detection method thereof
The invention discloses a stator oil hole detection device based on air flow change and a detection method thereof, and aims to provide an efficient, accurate and reliable stator oil hole detection device based on air flow change and a detection method thereof. An oil hole detection device is arranged above the workbench, and a conveying device used for conveying a to-be-detected piece to a detection position is arranged below the workbench. The oil hole detection device comprises a rotating support arranged on the workbench, detection assemblies symmetrically distributed at the two ends of the rotating support, a driving assembly driving the rotating support to rotate, clamping air cylinders evenly and symmetrically distributed in the four directions of the rotating support, and air pressure detection pieces arranged on the clamping air cylinders. The detection assembly comprises a guide disc arranged on the rotating support and a plurality of plug pins evenly distributed on the guide disc, and the rotating support is provided with a displacement groove enabling the plug pins to act synchronously to be inserted into the oil holes. The method is suitable for the technical field of stator oil hole detection.
Owner:XIN ZHI GRP CO LTD
High-precision optical microcrystalline glass analysis system
The invention provides a high-precision optical microcrystalline glass analysis system, and belongs to the technical field of microcrystalline glass detection. Wherein the detection core is arranged in the cylinder body in a sliding fit manner. The sleeve is connected with the detection core. One end of the driving rod is in sliding fit with the sleeve, and the other end is in transmission fit with the second driver. And a first elastic piece is abutted between the driving rod and the sleeve. The liquid storage pipe is arranged in the vertical direction, and the barrel is communicated with the liquid storage pipe. During detection, the controller is used for controlling the first driver to drive the barrel to be close to the objective table, so that the distance between the detection core and the objective table is a first preset distance. The controller is also used for determining the distance between the detection core and the surface of the glass-ceramic standard component according to the first preset distance and the thickness of the glass-ceramic standard component, and recording the distance as a standard distance. The controller is further used for controlling the second driver to drive the detection core to move towards the objective table by a second preset distance, and the second preset distance is larger than the standard distance. On the basis of guaranteeing the detection precision, the structure simplification and the low cost are realized at the same time.
Owner:SICHUAN LEADING GLASS CERAMIC TECH CO LTD
Broken paper judging and recycling system
PendingCN120507367AOptically investigating flaws/contaminationUsing optical meansStructural engineeringElectric control
The invention provides a broken paper judgment and recovery system which comprises a U-shaped mounting frame, an electric control box, an upper detection table, a lower detection table and a broken hole detection mechanism. The broken hole detection mechanism comprises a light transmitting plate, a net plate, a light emitting array, a light receiving array, a transverse electric sliding table, a vertical electric sliding table, a first electric push rod, a moving plate, a micro fan, a contact plate, a connecting rod, a diameter adjusting mechanism and an air volume sensor; whether a broken hole exists in the paper or not can be determined through the light transmission amount, the position of the broken hole is roughly determined, then the paper is moved to the net plate, the moving plates arranged up and down are moved to the position of the broken hole in the paper, the micro fan can blow air to the broken hole, and the contact plate can make contact with the bottom face of the broken hole in the paper. The diameter of the through hole can be adjusted through the diameter adjusting mechanism, and the hole diameter of the broken hole can be determined according to air volume data collected by the air volume sensor.
Owner:HAINAN GOLDEN HONGYE PAPER CO LTD
Device for detecting leakage of fuel evaporation control (EVAP) system and diagnosis method
PendingCN120668322AMeasurement of fluid loss/gain rateNon-fuel substance addition to fuelControl systemComputational physics
The invention discloses a device for detecting leakage of a fuel evaporation control system and a diagnosis method. The device comprises a communicating pipe, and the communicating pipe is provided with an air inlet end connected with the atmosphere and an air outlet end connected with an EVAP system in an on-off mode; the flow detector is used for detecting the flow of the gas; the pressure detector is used for detecting pressure; the calibration assembly comprises a plurality of standard holes and a plurality of switching parts; and the main control module is used for receiving the data from the flow detector to generate calibration data, and calculating the leakage equivalent aperture based on the calibration data and the current flow data when the air outlet end is connected with the EVAP system. According to the scheme, the flow is calibrated through the standard hole with the known hole diameter in the marking stage, and the corresponding relation between the flow and the hole diameter is established. During detection, the leakage equivalent aperture of the EVAP system is accurately calculated based on the calibration data and the flow detected by the flow detector, the severity of system leakage is judged, and the problem that an existing detection method cannot accurately judge the size of the leakage aperture is effectively solved.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Driving assembly, vehicle and driving assembly detection equipment
The utility model provides a driving assembly, a vehicle and driving assembly detection equipment, and relates to the technical field of vehicle parts, the driving assembly comprises a driving shaft, a hub bearing and a fastener, one axial end of the driving shaft is provided with a first end face spline and a connecting shaft, one axial end of the hub bearing is provided with a second end face spline, and the connecting shaft is provided with a second end face spline. A bearing hole penetrating in the axial direction of the hub bearing is formed in the hub bearing, the driving assembly further comprises a sealing piece, the connecting shaft is sleeved with the sealing piece, the sealing piece is inserted into the bearing hole along with the connecting shaft, and the sealing piece is configured to enable the connecting shaft and the bearing hole to be assembled in a sealed mode when the first end face spline and the second end face spline are meshed. A cavity is formed among the inner wall of the bearing hole, the fastening piece, the connecting shaft and the sealing piece, and the driving assembly is further provided with a vent hole communicating the cavity with the external environment. Whether end face splines of a driving shaft and a hub shaft are assembled in place or not can be detected into whether a sealing piece seals a connecting shaft and a bearing hole or not, and the detection mode is simple and efficient.
Owner:ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +1
Determining Tip Size in a Phacoemulsification Probe
Apparatus for determining a needle size including a phacoemulsification probe having a distal tip. The probe has an aspiration channel that transfers aspiration fluid from the distal tip and that has a first pressure sensor coupled with the channel, and an irrigation channel that transfers irrigation fluid to the distal tip and that has a second pressure sensor coupled with the channel. A needle-sleeve combination, consisting of a sleeve coaxially surrounding the needle, is coupled with the probe distal tip. A processor acquires from the first pressure sensor a first pressure profile of the aspiration fluid passing the first pressure sensor and acquires from the second pressure sensor a second pressure profile of the irrigation fluid passing the second pressure sensor. The processor formulates a difference between the two profiles, and determines the size of the needle of the needle-sleeve combination in response to the difference.
Owner:JOHNSON & JOHNSON SURGICAL VISION INC
Device and method for measuring cross sectional area of tendon
The invention belongs to the technical field of medical instrument evaluation, particularly relates to a tendon cross-sectional area measuring device and a tendon cross-sectional area measuring method, and provides the tendon cross-sectional area measuring device and the tendon cross-sectional area measuring method on the basis of a volumetric method and a die forming technology. The long and thin cylindrical measuring cylinder is used for containing normal saline, the pressure sensor is used for measuring the hydraulic pressure change caused by the fact that the tendon is immersed in the normal saline, then the liquid volume change is obtained, and the average cross sectional area of the tendon under the corresponding displacement is obtained based on the displacement of the tendon immersed in the liquid. Further, the minimum point of the tendon cross section area is accurately measured, and a reference is provided for a later tensile test.
Owner:SHANDONG INST OF MEDICAL DEVICES & DRUG PACKAGING INSPECTION
High-precision automatic detection equipment and method for collapse amount of upper cover of battery pack of new energy automobile
The invention discloses high-precision automatic detection equipment and method for the collapse amount of an upper cover of a battery pack of a new energy automobile. The equipment comprises a rack, a detection platform, a profiling positioning block, a pressing mechanism, an operation unit and a pneumatic displacement sensor. The sensor consists of a fixed seat, a pneumatic unit and a contact piece with a magnet, wherein the magnet is adsorbed and fixed with a steel block on the fixed seat. The method comprises the following steps: matching and positioning the upper cover of the battery pack through the profiling positioning block, acquiring product identity information by the code scanning unit, clamping a workpiece by the pressing mechanism, enabling a contact piece of the pneumatic displacement sensor to be in contact with the surface of the upper cover, converting the sinking amount into an air pressure signal and detecting, and finally binding and storing the sinking amount and the identity information. According to the invention, rapid workpiece positioning, stable clamping and high-precision detection are realized, and the requirements of battery pack upper cover collapse amount full detection and data tracing in automatic production are met.
Owner:DONGGUAN SONGBAI MOLD
Online depth gauge calibration device for underwater vehicle
The utility model discloses an online depth gauge calibration device for an underwater vehicle, and belongs to the technical field of ocean detection equipment. Comprising a manual hydraulic pump, a pressure sensor, an underwater vehicle depth gauge and a base plate, the manual hydraulic pump and the pressure sensor are installed on the base plate, the underwater vehicle depth gauge is sealed in an end cover of an underwater vehicle, an output port is further formed in the base plate, the manual hydraulic pump is connected with the pressure sensor and the output port through oil pipes, and the pressure sensor is connected with the output port through an oil pipe. The output port is connected with a pressure output pipe, and the pressure output pipe blocks the end cover, so that the underwater vehicle depth gauge is located in a closed space, and the pressure sensor and the underwater vehicle depth gauge collect depth data at the same time in the same pressure environment. The device has the advantages that on-line calibration can be achieved on the underwater vehicle, the situation that the sealing performance of the pressure-resistant cabin of the underwater vehicle is affected due to disassembly and assembly of the depth gauge of the underwater vehicle is avoided, the pressure-resistant sealing test needing to be conducted again after disassembly and assembly each time is omitted, the calibration efficiency can be remarkably improved, and the cost is reduced.
Owner:CHANGSHU GUORUI TECH CO LTD +1
Intelligent monitoring system for track deformation
The invention relates to the technical field of track plate monitoring, in particular to an intelligent track deformation monitoring system which comprises a detection unit used for displaying the liquid level height, an acquisition unit used for collecting liquid level height data and a conveying unit used for conveying the liquid level height data. The analysis unit is used for judging whether the track structure meets the standard or not based on the liquid level height data, analyzing the reason for not meeting the standard and generating a corresponding processing instruction; and the control unit is used for re-determining the operation parameters of the track deformation intelligent monitoring system based on the received processing instruction, and sending out a corresponding notice or sending out a track deformation alarm. According to the invention, real-time monitoring and accurate analysis of track deformation are effectively realized, and the use efficiency of the track is effectively improved.
Owner:BEIJING ZHONGTIAN ROAD TONGZHI CONTROL TECH CO LTD
Intelligent construction site foundation pit displacement monitoring device
The invention relates to the field of foundation pit displacement monitoring, and discloses an intelligent construction site foundation pit displacement monitoring device which comprises at least two fixed benchmarks installed on the same horizontal plane around a foundation pit; the plurality of measurement and observation points are installed on the inner wall of the foundation pit, the fixed benchmark is used for measuring the distance between the fixed benchmark and the measurement and observation points, and the distance change of the measurement and observation points relative to the fixed benchmark is displacement. According to the invention, at least two fixed benchmarks are arranged, and each fixed benchmark is provided with a detection mechanism, so that the settlement and displacement conditions of the fixed benchmarks can be monitored in real time, when the fixed benchmarks are settled or displaced, the liquid level in the liquid storage tank changes correspondingly, and an angle sensor and a second distance sensor are triggered to carry out accurate measurement; and the first angle sensor and the second angle sensor can respectively detect the rotation angles of the floating plate on the X axis and the Y axis, so that comprehensive monitoring on the inclination direction of the fixed benchmark is realized.
Owner:CHINA RAILWAY SHANGHAI ENG BUREAU GRP THIRD ENG CO LTD
Sensor-based specification-adaptive helical gear tooth angle intelligent detection device
The invention discloses a sensor-based specification-adaptive helical gear tooth angle intelligent detection device, and relates to the technical field of gear detection, the sensor-based specification-adaptive helical gear tooth angle intelligent detection device comprises a detection body, the detection body is internally provided with a detection cavity, a cover plate body is arranged above the detection cavity, the cover plate body is separated from the detection body, and the detection cavity is internally provided with a sensor. A supporting frame is arranged on the side, away from the detection body, of the cover plate body, a hydraulic cylinder is arranged on the supporting frame, a push rod of the hydraulic cylinder is connected with the cover plate body, and an impurity outlet is formed in the bottom of the detection cavity; the bevel gear is placed in the detection cavity, a push rod of the hydraulic cylinder pushes the cover plate body to move, the cover plate body is made to move towards the side close to the bevel gear, finally, the cover plate body makes contact with the top of the bevel gear, a sealing state is achieved, and then water flows through a gap between every two adjacent teeth to clean impurities between the teeth and chippings generated by milling. And finally, gas is sprayed out between the two teeth, and the angle of the teeth is detected by detecting the change of the gas pressure.
Owner:ZHEJIANG HONGCHENG TRANSMISSION MACHINERY CO LTD
Surveying and mapping equipment for geological surveying and mapping
PendingCN120252464AAngles/taper measurementsUsing fluid meansClassical mechanicsStructural engineering
Owner:SHANDONG HUALU ENG CORP
Measuring nozzle arrangement
A measuring nozzle arrangement 2 of a pneumatic measuring device for measuring, in particular, shaft-shaped workpieces 38 has measuring nozzles 16 to 20, 36 arranged on a carrier element 4 to 14 and an adjusting device 28 for adjusting the carrier elements 4 to 14 relative to one another. According to the invention, the measuring nozzle arrangement 2 has at least four carrier elements 4 to 14 with measuring nozzles 16 to 20, 36, which are arranged in pairs diametrically opposite one another (4, 6 or 8, 10 or 12, 14) relative to an axis 22, which defines a radial direction and a circumferential direction, and are adjustable in the radial direction, wherein the adjusting device 28 is designed and constructed for the radial adjustment of the carrier elements 4 to 14 into different measuring positions of the measuring nozzles 16 to 20, 36.
Owner:JENOPTIK IND METROLOGY FRANCE SAS
A method for aligning a carbon bowl scraping tool and a carbon bowl cleaning device
ActiveCN116329213BHollow article cleaningProcess efficiency improvementAir volumeProcess engineering
Owner:LUOYANG WANJI CARBON CO LTD
Efficient double-diameter synchronous comprehensive measuring instrument
The utility model provides an efficient double-diameter synchronous comprehensive measuring instrument, which relates to the technical field of measuring instruments and comprises a supporting seat, a convex cover plate is fixed and communicated to the top of the supporting seat and close to the center, a square groove is formed in one side wall of the convex cover plate and close to the top, inner diameter grooves are symmetrically formed in the inner wall of the square groove, and the inner diameter grooves are communicated with the convex cover plate. The two side walls of the convex cover plate are each fixedly provided with four measuring heads, one end of each measuring head is provided with a first spray head in an embedded mode, an air source device is arranged in the supporting base, the top of the air source device is fixedly communicated with a connecting pipe, and the top of the connecting pipe is fixedly connected with a convex box; according to the utility model, the part is embedded into the inner diameter groove and the measuring head, and then the first nozzle and the second nozzle are used for spraying gas, so that the inner diameter and the outer diameter of the part can be synchronously measured, the use and the operation are simple, the measurement is convenient, the size of the part is out of tolerance, the out-of-tolerance can be displayed on a screen of a pneumatic gauge, and visual fatigue is avoided; and quality control is facilitated.
Owner:WUXI WEIFU AUTOCAM PRECISION MASCH CO LTD
Geometric accuracy comprehensive detection device and detection method for five-axis linkage machining center
ActiveCN121025931AAngles/taper measurementsMeasurement/indication equipmentsRotational axisMachining
The invention discloses a five-axis linkage machining center geometric accuracy comprehensive detection device and method, the detection device comprises a reference cube, a rotating shaft installation module, a fine adjustment mechanism and an integrated detection unit, the reference cube is a hollow cube made of granite or marble, and a through hole is formed in the left side of the reference cube along the symmetric center line; the rotating shaft mounting module comprises a connecting sleeve, a fixing sleeve and a plurality of locking screws; the fine adjustment mechanism comprises a plurality of fastening screws; the integrated detection unit comprises a first gradienter which is fixedly connected to the upper plane of the reference cube in the same plane and a second gradienter which is fixedly installed on the right plane of the same reference cube in the same plane. According to the invention, seven key geometric accuracies of the five-axis linkage machining center can be detected through one-time clamping and debugging, specifically, the seven key geometric accuracies comprise the planeness of the axis guide rail, the straightness of the three moving axes and the perpendicularity among the three moving axes, and the detection efficiency and the detection accuracy are remarkably improved.
Owner:四川工程职业技术大学
Wearable safety and management system for recreational facilities
PCT designated stageWO2025255084A1AlarmsElectric transmission signalling systemsLocation trackingEmbedded system
The present invention relates to a wearable device system designed to enhance child safety and management in recreational environments such as amusement parks and trampoline parks. The system comprises a rechargeable bracelet equipped with GPS for real-time location tracking, LED indicators, and haptic feedback for communication. The bracelet is complemented by a charging bin with Qi-standard compliant wireless charging coils and safety features. The system supports various wireless communication technologies and includes software for monitoring and managing device features, establishing virtual fences, and summoning wearers to designated locations, thereby improving operational efficiency and user safety.
Owner:SHANE KELSEY
Detection device for expansion rate of joint mixture
ActiveCN120352584AUsing fluid meansMechanical solid deformation measurementsGraduated cylinderMechanical engineering
The invention relates to the technical field of joint mixture detection, and discloses a joint mixture expansion rate detection device which comprises a measuring cylinder, to-be-detected liquid is contained in the measuring cylinder, a circular ring is arranged on the measuring cylinder, a fixing mechanism for fixing the circular ring on the measuring cylinder is arranged on the circular ring, a supporting table is arranged on the circular ring, and a detection column is movably inserted into the supporting table. Compared with the prior art, the device has the advantages that results are read by arranging the floating plate, the first detection mechanism, the detection column and the movable sleeve, so that errors caused by manual reading of the measuring cylinder are avoided, and the results are more objective and accurate.
Owner:SUZHOU LOUCHENG NEW MATERIAL TECH CO LTD
Packaging material plate film covering device and packaging material plate film covering method
The invention relates to the technical field of film laminating devices, in particular to a packaging material film laminating device which comprises a device body, the device body comprises a device frame, raw material rollers and product rollers are installed on the device frame, the raw material rollers comprise a paper roller and a film laminating roller, and the packaging material film laminating device further comprises a gluing assembly and a lining roller which are installed on the device frame. A smoothness tester is mounted on the device frame, the smoothness tester is provided with a detection viewport, the detection viewport faces a product route and faces one side with a film, the smoothness tester is connected with a control device and can transmit tested data to the control device, and the numerical value is a flatness roughness numerical value; and when the flatness roughness value obtained by the control device is greater than a certain value, the control device starts the first sliding motor, so that the raw material is coated with a thicker glue solution layer. The device has the advantages of being capable of automatically adjusting flatness and convenient to use. The invention further provides a packaging material film covering method.
Owner:HENNAN WANSHUN PACKAGE MATERIAL CO LTD
Retraction mechanism and dimension-measuring device provided with same
A pneumatic cylinder type retraction mechanism includes a cylinder and a piston movable back and forth inside the cylinder, and causes the piston to move back and forth using an air pressure. In this retraction mechanism, sealing means is provided as stationary sealing means on an inner periphery of the cylinder facing an outer periphery of the piston. The sealing means suppresses leakage of pressurized air for actuating the piston from within the cylinder. The retraction mechanism having this characteristic is capable of achieving at least one of effects including reduction in starting resistance, improvement of measurement accuracy of a measuring device or shortening of measurement time.
Owner:TOKYO SEIMITSU CO LTD
Water flowing fractured zone detection device
ActiveCN223389917UThermometers using physical/chemical changesUsing fluid meansHydrologyMechanical engineering
The utility model provides a water flowing fractured zone detection device, which comprises a water pipe, a water inlet pipe, a water outlet pipe, a water inlet pipe, a water inlet pipe, a water outlet pipe, a water outlet pipe and a water outlet pipe, and the water inlet pipe is sequentially provided with a water inlet section and a water outlet section; the bag is arranged on the periphery of the water pipe in a sleeving manner, and the radial size of the bag is variable, so that the bag can be attached to the inner wall of the detection hole to block the detection hole; the adjusting pipe is used for injecting a medium into the bag so as to change the radial size of the bag; the temperature sensing optical fiber is provided with a testing section, the testing section is provided with a plurality of temperature measuring points at intervals in the length direction of the temperature sensing optical fiber, and the temperature sensing optical fiber can detect the temperature in the detection hole; the host is electrically connected with the temperature sensing optical fiber, and the host can receive detection data of the multiple temperature measuring points and calculate the height of the water flowing fractured zone according to the detection data. According to the technical scheme provided by the utility model, the problems of complex structure and tedious detection operation of the height detection device for the water flowing fractured zone in the prior art can be solved.
Owner:SHENHUA XINJIANG ENERGY CO LTD +2