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80results about How to "Reduce personal safety risks" patented technology
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Building structure and construction method
Disclosed are a building structure and a construction method. The building structure comprises upright columns, prefabricated plates or prefabricated frames and columnar connecting parts. Each prefabricated plate or prefabricated frame comprises reinforced beams or section crossbeams and embedded connecting parts, wherein the reinforced beams or section crossbeams are embedded in the prefabricated plates or prefabricated frames, and the embedded connecting parts are arranged at connecting joints for connecting the reinforced beams or section crossbeams; the columnar connecting parts are mounted at connecting joints of the prefabricated plates or prefabricated frames; the number of the columnar connecting parts is smaller than or equal to that of the embedded connecting parts; each embedded connecting part comprises a first positioning mechanism; each columnar connecting part comprises one to four second positioning mechanisms matching with the corresponding first positioning mechanisms in a one-to-one correspondence manner; and the first positioning mechanisms and the corresponding second positioning mechanisms are vertically connected in an inserted manner, and the columnar connecting parts are fixed with the one to four embedded connecting parts at the connecting joints. The building structure and the construction method have the advantages that various portions of the building structure can be mechanically assembled and disassembled, can be reused, and are convenient in assembly and disassembly, and the connecting joints are firm and reliable in connection and fine in load-carrying capability.
Owner:杨东佐
Unmanned aerial vehicle image highway geological disaster identification method based on pre-training DCNN
ActiveCN110008854AImprove the efficiency of visual interpretationReduce personal safety risksCharacter and pattern recognitionNeural architecturesVisual interpretationMean-shift
The invention relates to the technical field of highway geological disaster identification, and discloses an unmanned aerial vehicle image highway geological disaster identification method based on pre-training DCNN, which comprises the following steps: S1, acquiring an unmanned aerial vehicle remote sensing image in a highway domain range, and preprocessing the unmanned aerial vehicle remote sensing image to obtain an absolutely oriented ortho-image; S2, segmenting the preprocessed unmanned aerial vehicle remote sensing image by adopting a mean shift algorithm considering image texture features; and S3, taking the segmented unmanned aerial vehicle remote sensing image data as input data, and applying the input data to the trained highway geological disaster identification model to obtaina highway geological disaster identification result. The unmanned aerial vehicle high-resolution image is adopted, the image is segmented based on the mean shift algorithm considering the texture characteristics, the segmented image unit serves as input data of the geological disaster recognition model, so the efficiency of existing geological disaster visual interpretation can be effectively improved, and data support is provided for highway field investigation and disaster risk evaluation.
Owner:CCCC SECOND HIGHWAY CONSULTANTS CO LTD
Existing railway reinforcement construction method in jacking process of box body
An existing railway reinforcement construction method in the jacking process of a box body comprises the following steps: performing grouting treatment to railway ballast below an existing railway positioned in a to-be-jacked area, moving concrete sleepers, penetrating wooden ties among the concrete sleepers, mounting locking tracks, forming a beam arranging ditch, penetrating a beam, mounting a longitudinal beam, and the like. The method provided by the invention has the following advantages: the operation of renewing concrete sleepers is reduced, so that the damage to the original road bed / track bed is reduced, and the stability of the road bed is high; the depth of a dug ditch and the work amount of reinforcement are reduced, the construction period and the on-line operation time are shortened, and the risk of personnel safety and running of an existing railway is lowered; grouting solidification can effectively reduce the problem that vibration is caused when a train passes, so that railway ballast rolls into the ditch, and then repeated operation can be avoided; insulating boards of 3 cm in thickness and H-steel of 45 cm in height are arranged at the lower part of a steel rail, so that the reserved space is enlarged, a treatment space is provided for the rising phenomenon that possibly occurs when the box body is jacked, and running safety of the existing railway can be ensured.
Owner:CHINA RAILWAY SIXTH GRP TIANJIN RAILWAY CONSTR +1
Tree pruning machine
InactiveCN111788952AReduce personal safety risksReduce volumeSecateursProgramme-controlled manipulatorRemote controlControl engineering
The invention provides a tree pruning machine. The tree pruning machine comprises a movable base, a rotary lifting mechanism, a control box, a mechanical arm, a pruning mechanism and a wireless remotecontroller, wherein the rotary lifting mechanism and the control box are both arranged on the movable base; one end of the mechanical arm is connected with and arranged on the rotary lifting mechanism; the pruning mechanism is connected with and arranged at the other end of the mechanical arm; the movable base, the rotary lifting mechanism, the mechanical arm and the pruning mechanism are in independent control connection with the control box; and the wireless remote controller is in communication connection with the control box. According to the invention, by means of remote control, the pruning machine can be easily controlled; the personal safety problems like the possibility that a person is injured by crushing of trees due to insufficient safe distance of the trees and overhead lines, the need of multiple persons for cooperation during tree pruning and easy generation of errors during pulling of to-be-pruned trees in the reverse direction of the lines through working ropes are effectively solved; meanwhile, the personal safety risk of near-electric operation of operating personnel is reduced.
Owner:GUANGDONG POWER GRID CO LTD +1
Rolling bearing fault diagnosis method based on wavelet and improved PSO-RBF neural network
InactiveCN111397901AFully consider the low frequencyFully consider high-frequency componentsMachine part testingCharacter and pattern recognitionFeature vectorWavelet denoising
The invention relates to a rolling bearing fault diagnosis method based on wavelet and improved PSO-RBF neural network. The method comprises the following steps: S1, reading an original vibration signal of a rolling bearing state of a rail train; S2, carrying out wavelet denoising on the original vibration signal to obtain a pure vibration signal; S3, carrying out decomposition and phase space reconstruction on the pure vibration signal by using a wavelet packet, and extracting a feature vector; S4, training an improved PSO-RBF neural network by taking the feature vector as input and the corresponding bearing state as output to obtain a neural network fault diagnosis model; and S5, for a to-be-diagnosed original vibration signal of the rolling bearing of the rail train, inputting the feature vector obtained after the steps S1-S3 into the neural network fault diagnosis model obtained in the step S4 to obtain a diagnosis result of the rolling bearing. Compared with the prior art, the method has the characteristics of integrating the advantages of wavelet transform and an artificial intelligence algorithm, and can carry out accurate fault diagnosis on the rail transit running gear.
Owner:SHANGHAI DIANJI UNIV
Outer building wall crack detection system and method based on machine vision
InactiveCN109187555AImplement automatic detectionImprove detection efficiencyOptically investigating flaws/contaminationUsing optical meansLaser transmitterCMOS sensor
The invention relates to an outer building wall crack detection system and method based on machine vision. The system comprises a microcomputer processor, a CMOS sensor and a laser illumination system; the laser illumination system comprises four point-like laser transmitters arranged in the form of a rectangle; a transmission light beam is perpendicular to the imaging plane of a CMOS sensor; thecenter of the rectangular is positioned at the imaging center of the CMOS sensor; the microcomputer processor collects the image of the CMOS sensor in real time. According to the method, crack data isextracted via an image gray threshold processing and framework refining algorithm, the actual length corresponding to a unit pixel is acquired according to the pixel length of the rectangular formedby the extracted point-like laser, the absolute position of the current CMOS sensor under an outer wall reference system is acquired according to accumulation of relative movements between two frames,and thus the actual length of a crack and the coordinate of the crack under the outer wall reference system are acquired. According to the outer building wall crack detection system and method basedon machine vision provided by the invention, the automatic detection, size computation and coordinate positioning of the crack can be achieved, and the detection and positioning efficiencies of the crack are greatly improved.
Owner:苏州傲特欣智能科技有限公司
System and method for supervising and counting loading and transporting vehicle linkage operation
PendingCN109754196AReduce personal safety risksReduce laborCo-operative working arrangementsResourcesAnalysis dataInteraction interface
The invention discloses a system and a method for supervising and counting loading and transporting vehicle linkage operation. The system comprises a loading end monitoring device, a goods yard end monitoring device, a cloud server and a remote management center. The loading end monitoring device is arranged in a cargo loading field and comprises a data acquisition device, an on-site controller, ahuman-computer interaction interface and a voice output device. The goods yard end monitoring device is arranged on a goods unloading yard. The field controller is in communication connection with the cloud server through a wireless communication network, and the cloud server is further in communication connection with the remote management center so as to achieve real-time sharing of field datainformation. According to the system, a monitoring mechanism is generated from the source in a mode of respectively acquiring information and uploading, storing by a server and analyzing data to generate a report form in a mine field and a freight yard, and multi-post manpower is replaced by equipment, so that the personal safety risk and the labor amount in a high-risk environment during operation monitoring of mine enterprises are reduced to the maximum extent.
Owner:雷嗣制
Prefabricated reinforced concrete unit body for construction and method for building construction
InactiveCN101851979AReduce personal safety risksClear division of laborBuilding componentsBuilding material handlingFloor slabReinforced concrete
The invention relates to a prefabricated reinforced concrete unit body for construction and a method for building construction. The prefabricated reinforced concrete unit body is a unit body which consists of a bottom slab, a wall / column and an upper floor slab, and the bottom slab, the wall / column and the upper floor of the unit body are respectively provided with a drawing component for positioning and reinforced bar drawing. The construction of an integrated building can be realized through four steps, site assembly and prefabrication of each reinforced concrete unit body and each floor formed by assembling the unit bodies, design and installation of water, gas and power supply as well as ventilation systems, indoor decoration and outdoor decoration. The technique of the prefabricated reinforced concrete unit body can be easily mastered, thereby effectively reducing the personal safety risk of operators, facilitating the control of the engineering quality, and realizing the prompt inspection and replacement of unqualified products and the dual protection of floors. Moreover, the prefabricated reinforced concrete unit body can be repeatedly used after being removed, thereby reducing the construction waste and producing great significance in environmental protection.
Owner:清远市建巢工业设计有限公司
Novel field geological survey method based on digital outcrops
InactiveCN109916379AReduce personal safety risksPhotogrammetry/videogrammetryOutcropGeological survey
The invention discloses a novel field geological survey method based on digital outcrops. The method includes following basic steps that: oblique photogrammetry is adopted to obtain the picture of a field geological outcrop; the three-dimensional model of the geological outcrop is constructed indoors; the outcrop model is visualized online; online rock stratum attitude element measurement is performed; lithologic marking, fault plane marking, special structural marking, sedimentary facies division and other geological information extraction processing are performed online; and geological mapping is performed, and a geological map is exported. The method provided by the invention is scientific and reasonable, and adopts advanced technologies. According to the novel field geological survey method based on digital outcrops of the invention, the oblique photogrammetry is adopted to acquire the picture of the outcrop, the three-dimensional digital outcrop model is established indoors, and online attitude element measurement and information extraction are performed.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Distributed capacitive equipment online monitoring and calibration device and field calibration method based on device
InactiveCN105785300AImprove the accuracy of on-site calibrationImprove reliabilityElectrical measurementsTransceiverPower equipment
The present invention relates to the field of power equipment online monitoring and specifically relates to a distributed capacitive equipment online monitoring and calibration device and a field calibration method based on the device. The device comprises a processor, an RF transceiver, a memory circuit, an analog to digital converter, a digital to analog converter, an input channel conditioning circuit, a conditioning circuit I, and a conditioning circuit II. The calibration method comprises the steps of (1) connecting the distributed capacitive equipment online monitoring and calibration device into a capacitive equipment online monitoring device, (2) obtaining the error data of a small current transformer, (3) generating a group of analog signals and loading the analog signals to a measurement motherboard so as to obtain the error data of the measurement motherboard, (4) carrying out error fitting on the error data of the small current transformer and the measurement motherboard and thus judging the reliability of the capacitive equipment online monitoring device. According to the invention, the field calibration accuracy and reliability of the capacitive equipment online monitoring device can be improved, the operation steps of field calibration are simplified, and the operation is safe.
Owner:福建和盛高科技产业有限公司
Power transformation cabinet with fault self-checking function
InactiveCN104123211AStable jobAvoid damageElectrical testingFunctional testingElectricityLow voltage
The invention provides a power transformation cabinet with the fault self-checking function. The power transformation cabinet is high in fault handling efficiency and low in operational risk. The power transformation cabinet comprises a voltage transformation module, a high-voltage module, a low-voltage module, a first external connection terminal, a second external connection terminal, a fault detection module, a storage module, a control module, an alarm module, a display module and an independent power source. The voltage transformation module is respectively connected with the high-voltage module and the low-voltage module, the first external connection terminal is connected with the high-voltage module and used for externally transmitting or receiving high-voltage electricity, the second external connection terminal is connected with the low-voltage module and used for externally transmitting or receiving low-voltage electricity, the fault detection module is respectively connected with the voltage transformation module, the high-voltage module and the low-voltage module for fault detection, a fault factor contrast data base is preset in the storage module and used for storing factors which cause faults and correspond to various fault expressive forms and the corresponding relations, and the control module is respectively connected with the fault detection module, the storage module, the alarm module and the display module.
Owner:ANHUI XINCHEN ELECTRICAL EQUIP
Information prompting method and apparatus
InactiveCN107872565AReduce personal safety risksSubstation equipmentComputer terminalComputer science
The invention provides an information prompting method and apparatus for solving the problem of lack of function of a mobile terminal in terms of personal safety in the prior art. The method is applied to a mobile phone and includes the steps of obtaining weather status information and usage status information of the mobile phone; and performing corresponding information prompting according to theweather status information and the usage status information.
Owner:FAFA AUTOMOBILE (CHINA) CO LTD
Aircraft early warning method and device, electronic equipment and readable storage medium
InactiveCN112700617AReduce personal safety risksAlarmsAircraft traffic controlAlarm messageFlight vehicle
The invention discloses an aircraft early warning method and device, electronic equipment and a readable storage medium. The method comprises the steps of obtaining navigation information and sensor data of a target aircraft every other preset time, wherein the navigation information comprises position information, navigation speed and navigation angle; determining the equipment state of the target aircraft according to the navigation information and the sensor data; under the condition that the equipment state is a fault, obtaining fault information and position information of the target aircraft; and sending an alarm signal corresponding to the alarm information to a terminal in the target area. According to the invention, the technical problem that the personal safety risk of ground personnel in an unmanned aerial vehicle operation area cannot be reduced under the condition of not increasing early warning hardware in related technologies is solved.
Owner:BEIJING AIRLANGO TECH CO LTD
A photovoltaic power plant UAV intelligent inspection system
ActiveCN108725816BEasy to storeDoes not take up spaceEnergy saving arrangementsFuselagesUncrewed vehicleElectric machinery
The present invention relates to the field of intelligent inspection technology, in particular to an intelligent inspection system for a photovoltaic power station drone, including: an impeller cover, an impeller, a damping shaft, an upper casing, a lower casing, a connecting seat, a bracket, a connecting arm, a fixing seat, Connecting frame, micro motor, camera, folding frame; the bottom side of the upper shell is provided with a lower shell, and the lower shell is connected with the upper shell through bolts; the left and right sides of the outer wall of the lower shell are provided with a damping shaft, and the damping The rotating shaft is connected with the lower shell through the support arm; a folding frame is arranged under the outer wall of the damping rotating shaft, and one end of the folding frame is connected with the damping rotating shaft through a movable connection; the other end of the folding frame is provided with an impeller, and the impeller passes through The impeller cover is connected with the folding frame. Through structural improvement, the present invention has the advantages of small inspection difficulty, high efficiency, low labor cost, and low personal safety risk, thereby effectively solving the problems and deficiencies in the prior art.
Owner:苏州猎户座技术创新服务有限公司
Fracturing operation area information display system based on AR
PendingCN110796737AReduce personal safety risksIntuitive operating status informationData processing applicationsCharacter and pattern recognitionInformation processingInformation display systems
The invention discloses a fracturing operation area information display system based on AR, and the system comprises AR equipment which comprises an image collection unit, a positioning unit and a display unit, and is configured as an information collection and image presentation device which can be held by a person; an AR information processing terminal, configured to receive equipment operationdata of the command and control center and information collected by AR equipment; and a command and control center, configured to collect and store multiple groups of operation data during fracturingoperation. The system can be used in petroleum and natural gas exploitation, especially in a shale gas fracturing operation field, and can assist maintenance personnel to quickly query equipment stateinformation and provide equipment maintenance and operation guidance information for the maintenance personnel. In this way, the equipment maintenance efficiency can be improved, the requirement forthe capacity of maintenance personnel can be lowered, and meanwhile the equipment maintenance operation risk can be reduced.
Owner:SICHUAN HONGHUA ELECTRIC
Method for paying off overhead transmission line by unmanned helicopter
InactiveCN102064493BDo not destroy local feng shuiDo not destroy Feng ShuiApparatus for overhead lines/cablesAircraftsNatural resourceGeographic feature
The invention belongs to the technical field of overhead transmission lines of a power system, in particular to a method for paying off an overhead transmission line by an unmanned helicopter. In the method, the unmanned helicopter carries an aramid cord messenger and takes off, and throws the aramid cord to a designated tower; by adopting a manual direct traction or small tractor drawing mode, the aramid cord messenger draws a dyneema cord, and then the dyneema cord draws a pilot rope; and after the pilot rope is drawn to a small traction station, two sides of the pilot rope are connected and hoisted to draw a large haulage rope to complete the wiring work. The unmanned helicopter is easy and flexible to control, and has the advantages of high construction efficiency, stable operation and high safety when being used for spanning lead wires of the overhead transmission line. By utiliziing the method, trees and other construction passages are not needed to cut down, residents are not disturbed, and local geographic features and other natural resources are not damaged.
Owner:BEIJING JIAOTONG UNIV
Flexible grounding method for power distribution network through transformer
PendingCN113363950AAvoid accidentsReduced risk of insulation breakdownEmergency protective arrangements for limiting excess voltage/currentControl engineeringControl theory
The invention provides a flexible grounding method for a power distribution network through a transformer, and the method comprises the steps: connecting a primary side of the transformer to the power distribution network, and generating a neutral point; when a single-phase earth fault occurs, directly or externally adding any two phase lines on the secondary side of the transformer between the neutral point and the ground through a series variable impedance according to a fault phase selection result, so that the voltage of the neutral point can be flexibly regulated and controlled; enabling the voltage of the fault point to be lower than the voltage of continuous combustion of the grounding arc, forcing the fault point to extinguish arc, and monitoring the ground insulation parameters of the power distribution network to sense whether the grounding fault is eliminated; and for a permanent grounding fault, realizing fault continuous arc extinction or external in-phase voltage amplification fault positioning. According to the method provided by the invention, the neutral point of the system can be led out by only one transformer, the instantaneous single-phase grounding fault can be eliminated, and the permanent single-phase grounding fault voltage or grounding protection tripping can be inhibited.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Line channel safety analysis method based on tree growth prediction
PendingCN112016396AReduce operation and maintenance costsReduce inspection workloadCharacter and pattern recognitionInformation technology support systemPoint cloudRange tree
The invention discloses a line channel safety analysis method based on tree growth prediction, and relates to the field of power transmission safety operation and maintenance. According to the method,tree point cloud data, high-resolution images and hyperspectral data are combined; a power transmission line channel tree database is established, the distance between a tree and a power line is judged according to the crown position range, the crown height and the growth coefficient, the potential safety hazard level of the tree is calculated according to the distance, and when the potential safety hazard level is marked as emergency, power transmission line operation and maintenance personnel are reminded to conduct on-site investigation and treatment n days before corresponding time nodes.The patrol workload of operation and maintenance personnel of the power transmission line can be greatly reduced, the patrol efficiency is effectively improved, the personal safety risk is reduced, and finally the operation and maintenance cost of the power transmission line is reduced.
Owner:SGCC GENERAL AVIATION
Converter transformer fault detection device based on LABVIEW and voice frequency analysis
InactiveCN103954868AReduce noiseLarge dynamic rangeElectrical testingSignal conditioning circuitsTransceiver
The invention relates to a converter transformer fault detection device based on LABVIEW and voice frequency analysis. The converter transformer fault detection device is installed on a converter transformer and comprises a cable, a sensor, a signal conditioning circuit, an optical fiber transceiver, an industrial control machine and a server, wherein the sensor is installed on a casing of the converter transformer, the output end is connected with the input end of the signal conditioning circuit, the output end of the signal conditioning circuit is connected with the input end of the optical fiber transceiver, and the output end of the optical fiber transceiver is connected with the industrial control machine through the cable, the industrial control machine is connected with the converter transformer through the cable and is in both-way connection with the server through a local area network. Compared with the prior art, the converter transformer fault detection device has the advantages of being reliable, reasonable, high in device routine inspection working efficiency and detection quality and the like.
Owner:STATE GRID CORP OF CHINA +1
Safe combined type assembling and disassembling tool for intermediate transition car coupler
ActiveCN113335334APrevent fallingReduce labor intensityRailway coupling accessoriesStructural engineeringMechanical engineering
The invention discloses a safe combined handling tool for an intermediate transition coupler, which comprises a left side clamp and a right side clamp, the left side clamp is used for clamping and supporting the left side of the intermediate transition coupler, and the right side clamp is used for clamping and supporting the right side of the intermediate transition coupler. The distance between the left side clamp and the right side clamp is adjustable. The unsafe factors that when an operator lifts the intermediate transition car coupler due to the appearance of the intermediate transition car coupler, the operator is likely to slip out of the hand due to the situation that force exerting points on the left side and the right side are unbalanced and the operator cannot exert force easily are avoided, the labor burden of the operator is greatly relieved, and the working efficiency is improved. And the personal safety and the production safety of operators are improved. The lifting ring can be used for conveniently hanging various lifting appliances, so that the working intensity of workers is greatly reduced, the working production efficiency is improved, and the safety risk in the working process is reduced.
Owner:武永清
Oil pipe and sucker rod turnover system and method
ActiveCN113982510AHigh degree of automationNo need for manual relocationDrilling rodsLoading/unloadingOil fieldEngineering
The invention relates to the technical field of oil field downhole operation, and particularly discloses an oil pipe and sucker rod turnover system and method.The oil pipe and sucker rod turnover system comprises a pipe arranging unit, a transfer station storage unit, an in-out station conveying unit and a loading conveying unit. The pipe arranging unit comprises a roller way; an inclined material frame is arranged on one side of the roller way; one side of the material frame is provided with a displacement pipe arranging device used for vertically arranging pipe rods; the bottom of the displacement pipe arranging device is provided with a displacement cylinder used for driving the displacement pipe arranging device to rotate; the displacement pipe arranging device is of a U-shaped structure, and the opening end of the displacement pipe arranging device is movably connected with one end of the material frame. In the whole turnover process, the pipe rods do not fall to the ground, the simple, reliable and durable mine field mechanical properties are achieved, the safety and environmental protection requirements can be met, light single-row pipe rows serve as the basis in all links, assistance of other equipment such as hoisting is not needed, manual carrying and row moving are not needed, and the management level and efficiency are improved.
Owner:东营恒基石油科技有限公司
Building structure and construction method
InactiveCN102605858BHigh assembly efficiencyReduce technical difficultyBuilding constructionsArchitectural engineeringRebar
Owner:杨东佐
Buffer device and fire fighting truck
PendingCN108273216AReduce damage and self-damageReduce personal safety risksFire rescueObject storeTruck
The invention provides a buffer device and a fire fighting truck. The buffer device is arranged below an object storing box in a foldable and unfolding manner, the object storing box is arranged on atruck chassis, the buffer device comprises a buffer plate which is hinged to or is in stretchable fit with the object storing box, or the buffer plate is hinged to or is in stretchable fit with the truck chassis; and the buffer plate is located below an opening of the object storing box in the unfolding state. According to the buffer device, when materials or objects need to be unloaded from the object storing box, the buffer plate stretches out or is rotationally opened to be arranged below the opening of the object storing box, in the material or object falling process, buffering through thebuffer plate is firstly carried out, then the materials or objects fall or slide to the ground, damage of the falling materials or objects to the ground or damage to the falling materials or objectsis reduced, and the personal safety risks can be effectively reduced. Meanwhile, after unloading is completed, reversed stretching or rotation is carried out to take back the buffer plate, overlengthor overwide truck bodies or influences on truck departure angles are avoided, and use is convenient.
Owner:SANY AUTOMOBILE MFG CO LTD
Automatic opening and closing platform cover device, system and control method of wind turbine tower
ActiveCN107269152BReduce personal safety risksPersonal Safety ProtectionBuilding braking devicesPower-operated mechanismElectricityProximity sensor
The invention discloses an automatic platform cover plate opening and closing device of a wind turbine generator tower frame, a system and a method, and belongs to the field of auxiliary equipment of wind turbine generators. The automatic platform cover plate opening and closing device comprises a platform cover plate, a drive device and a monitor device. The drive device is used for driving the platform cover plate to be opened and closed. The monitor device comprises a controller and proximity detectors connected with the controller. The proximity detectors are fixed to the inner wall of the tower frame and used for monitoring operating tendency data of a climbing-free device. The controller is used for judging the operating tendency of the climbing-free device according to the monitored operating data of the climbing-free device and used for controlling the drive device to achieve automatic opening and closing of the platform cover plate according to the judgment result. According to the automatic platform cover plate opening and closing device of the wind turbine generator tower frame, the system and the method, the car body position of the climbing-free device can be monitored and judged through the monitor device, automatic opening and closing of the platform cover plate are controlled according to judgment, and the personal safety risk is reduced.
Owner:GUODIAN UNITED POWER TECH
Tea leaf twisting machine
InactiveCN107197968AReduce personal safety risksReduce threats to personal safetyPre-extraction tea treatmentElectric machineryEngineering
A tea rolling machine. It relates to a tea rolling machine. Little threat to personal safety. It includes a frame, a kneading pan, a tea storage box, a transmission device and a motor. The tea storage box has a gland, the motor is fixed on the frame, and the outer edge of the kneading pan is gear-shaped. The kneading disc is connected with the transmission device through a worm, and the transmission device is connected with the motor. The personal safety risk in the adjustment process is reduced, and there is little threat to personal safety.
Owner:高原
Rod body for electrified switch operation
The invention discloses a rod body for electrified switch operation, belongs to the field of live line tools, and aims to turn circuit switches at high places on / off. The rod body comprises a rod body, wherein the rod body consists of the following components in parts by weight: 25-30 parts of high density polyethylene, 10-15 parts of insulating silicon rubber, 5-10 parts of hard amide, 5-10 parts of N-N'-methylene double-hard amide, 15-20 parts of a ceramic micro powder, 10-15 parts of high-strength glass fiber, 5-8 parts of fire-resistance mica, 2-4 parts of a flame retardant and 2-6 parts of an antioxidant. By adopting the technical scheme, the on / off of the circuit switches at high places can be achieved, climbing operation and operation with ladders can be reduced for operators, personal safety risks can be reduced, unreasonable allocation of sources and labor can be reduced, and the working efficiency can be improved.
Owner:STATE GRID SHANDONG TANCHENG POWER SUPPLY +1
Trawl net for double-surface spring-tooth shellfish
ActiveCN102388846BReduce consumptionStable harvesting efficiencyPisciculture and aquariaEngineeringWork time
The invention relates to the technical field of aquaculture, in particular to a trawl net for double-surface spring-tooth benthonic shellfish which is a full symmetric structure. The structure is new, and the structure can normally work while any one surface touches the seabed, so the problem that the normal shellfish net cannot catch caused by that the abdominal net faces upside and the back net faces downside while operates in the large deep-water area, especially rational and stable catching efficiency of the trawl net on underwater posture is showed while the trawl net is used in the large deep-water areas and the heavy storm areas. The invention not only saves the work time and the energy consumption, but also reduces the personal safety risk during the work period, improves the safety coefficient of releasing net, and saves the energy consumption. The invention has important significance for upgrading the benthonic shellfish breeding equipment and has wide popularization and use values.
Owner:ZHANGZIDAO GRP
Tailing pond spillway well monitoring method based on multi-sensor fusion
PendingCN113152415ASimple monitoring methodComprehensive monitoring informationImage analysisIn situ soil foundationEnvironmental engineeringSensor fusion
The invention relates to a tailing pond spillway well monitoring method based on multi-sensor fusion. The method comprises the following steps of firstly, monitoring a tailing pond spillway well through a plurality of monitoring devices, transmitting monitored data to a computer in real time, carrying out fusion calculation on all the monitored data by the computer, specifically, setting different weight values for all detection indexes, performing weighted calculation on the states of all the monitoring indexes according to different weight values, and obtaining a final safety coefficient of a safe operation state of the spillway well; and finally, dividing the obtained final safety coefficient into a low risk, a medium risk and a high risk according to different intervals and the operation state, and making different early warning prompts and processing according to different levels of conditions. The monitoring method is optimized, fusion analysis is carried out on data transmitted by multiple sensors, and early warning is carried out according to the obtained parameters for evaluating the operation state of the spillway well, so that a more comprehensive and accurate result is obtained under various conditions in monitoring of the spillway well, and safe operation of a tailing pond is ensured.
Owner:洛阳润星电子科技有限公司
Portable integrated wire breaking and stripping pliers for electric power circuit
InactiveCN112421471AHave to carryEasy to carryApparatus for cutting/splicing cablesApparatus for removing/armouring cablesElectric power equipmentEngineering
The invention discloses portable integrated wire breaking and stripping pliers for an electric power circuit, and belongs to the technical field of electric power equipment. The pliers comprise a pairof clamp arms; the clamp arms are hinged to the left positions of the middles through a center screw; opposite wire breaking knife edges and opposite wire stripping knife edges are sequentially arranged on the end sides of the two clamp arms; a telescopic grab handle made of an insulating material is also arranged on each clamp arm; the telescopic directions of the telescopic grab handles are thesame as the length directions of the clamp arms; and movable buckles and positioning holes which are matched with each other are arranged on the telescopic grab handles and the clamp arms. the pliershave the functions of stripping and cutting off an aluminum wire, are convenient to carry, bring great convenience to field operation, and reduce the safety risk of operation.
Owner:GUIZHOU POWER GRID CO LTD
Automatic opening-closing platform cover plate device of wind generation set tower and system and control method of automatic opening-closing platform cover plate device
ActiveCN107191095AReduce personal safety risksPersonal Safety ProtectionPower-operated mechanismElectricityProximity sensor
The invention discloses an automatic opening-closing platform cover plate device of a wind generation set tower and a system and control method of an automatic opening-closing platform cover plate device, and belongs to the field of auxiliary equipment for a wind generation set. The automatic opening-closing platform cover plate device comprises a platform cover plate, a driving device and a monitoring device, wherein the driving device is used for driving the platform cover plate to be opened and closed; the monitoring device comprises a controller, a proximity sensor and a safety sensor, the proximity sensor and the safety sensor are connected with the controller, fixed to the inner wall of the tower and used for monitoring the running data of a climb-free device, the running data of the proximity sensor is used for judging whether to conduct the automatic opening or closing of the platform cover plate or not, the safety sensor is used for judging whether the climb-free device is within a safe range or not, the controller judges the running tendency of the climb-free device according to the running data of the climb-free device, and the controller controls the driving device to achieve the automatic opening or closing of the platform cover plate according to the judging result. By means of the automatic opening-closing platform cover plate device of the wind generation set tower, the body position of the climb-free device can be monitored and judged through the monitoring device, and the automatic opening or closing of the platform cover plate is controlled according to the judgment, so that the personal safety risk is reduced.
Owner:GUODIAN UNITED POWER TECH
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