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126results about How to "Threats to personal safety" patented technology
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Automatic control method for 10-kv switch cabinet and transfer trolley
ActiveCN104444214AGuaranteed uptimePrevent slippingConveyorsControl devices for conveyorsAutomatic controlLogical relations
The invention discloses an automatic control method for a 10-kv switch cabinet and a transfer trolley. The automatic control method relates to the switch cabinet, a switch trolley, a clamping device of the switch trolley, the transfer trolley, a transfer trolley crawler belt, a mechanical arm, a mechanical arm platform trolley, a mechanical arm platform trolley crawler belt, a grounded knife switch, limiting switches and approach switches. Centralized control is carried out through a PLC control cabinet, whether motions are in place or not is detected through the limiting switches or the approach switches installed at the corresponding positions, the motions are selected through a touch screen, the motion complete degree is displayed on the touch screen, and logical relations between the devices are achieved through programs. According to the automatic control method, on the basis of an original mechanical structure, a motor is adopted for driving, the labor intensity of workers is reduced, and the reliability and the safety performance of the devices are improved.
Owner:STATE GRID CORP OF CHINA +1
Method for monitoring internal short circuit of battery cell employing three electrodes
InactiveCN106058302AThreats to personal safetyFinal product manufactureCell component detailsElectricityLithium
The invention discloses a method for monitoring an internal short circuit of a battery cell employing three electrodes. The method comprises the steps as follows: a positive electrode lead-out plate, a negative electrode lead-out plate and a reference electrode lead-out plate are arranged; the reference electrode lead-out plate is made of sheet metal lithium; a power battery electrolyte is packaged through an electrolyte sealing film; a cylindrical battery packaging housing is packaged again outside the electrolyte; the positive electrode lead-out plate, the negative electrode lead-out plate and the reference electrode lead-out plate are electrically connected with a positive electrode installation plate, a negative electrode installation plate and a middle connection plate respectively; a voltage monitoring device is arranged outside the battery packaging housing and comprises a one-way conduction unit and a signal transmission circuit; and the one-way conduction unit and the signal transmission circuit are connected with each other in series between the negative electrode installation plate and the middle connection plate. A voltage change between the reference electrode lead-out plate and the negative electrode lead-out plate is timely detected through the reference electrode lead-out plate, so that a control system is timely reminded to take measures to the internal short circuit of a battery.
Owner:芜湖格利特新能源科技有限公司
Teaching, training and examining system based on virtual simulation for gas industry and use method of system
InactiveCN108510824ALow costImprove training effectCosmonautic condition simulationsSimulatorsGas industryTraining effect
The invention discloses a teaching, training and examining system based on virtual simulation for the gas industry, which is applied to the gas industry, and a use method of the system. The teaching,training and examining system comprises a teaching block, a practical operation training block and an examining block, wherein the teaching block, the practical operation training block and the examining block comprise a model library, a question library and a theoretical value simulation library, the model library comprises a three-dimensional virtual scene, a virtual tool, a device and a system,a third person figure model and the like, and the teaching block and the practical operation training block are provided with a study reminding module. A network teaching, training and examining platform is constructed according to the virtual simulation system. Due to the arrangement of the system, the flexibility of teaching, practical operation training and examining of the gas industry is effectively improved, the cost is reduced, meanwhile, the training effect is improved, no threat is caused to the personal safety of an operator, the use is safe and reliable, and the extensibility is extremely strong. In addition, for the system, the real-time updating of data can be easily realized, the training content is the latest, and a guarantee is provided for the working competence of new workers.
Owner:常熟市苏虞天然气输配有限公司
Scaffold convenient to move
The invention discloses a scaffold that is convenient to move, comprising a scaffold cross bar and a scaffold vertical bar arranged at both ends of the scaffold cross bar, the scaffold vertical bar is connected by a scaffold support bar and a support column connected with the scaffold cross bar, and the scaffold support bar Corresponding to the support column, there are several rows of height adjustment holes with no less than two height adjustment holes in each row, and they are fixed through the height adjustment holes through the fixing parts. The bottom of the support column is provided with a support base, and the bottom of the support base is provided with a retractable pulley connected by a fixed end, and an anti-tilt support bar is provided outside the support column. The invention has the characteristics of adjustable height, convenient movement and use, can prevent the scaffold from tilting, has high safety factor, and has a longer service life.
Owner:JIANGSU YEQIANG SCAFFOLD SCI & TECH DEV CO LTD
Automatic installation equipment of sewage inspection well special for drainage pipeline system
InactiveCN107354991ARealize the mechanized automatic installation functionEffective limitSewerage structuresSewer pipelinesEngineeringSewage
The invention relates to an automatic installation equipment for a special sewage inspection well for a drainage pipeline system, which includes a bottom plate, two moving devices are symmetrically installed on the top of the bottom plate, a locking device is installed between the two moving devices, and a fixed lifting device is installed at the front end of the bottom plate device, two mobile devices, a locking device and a fixed lifting device are used in conjunction with each other to complete the mechanized automatic installation process of the sewage inspection well. The invention can solve the problems existing in the installation process of the existing cement sewage inspection wells that need to be manually installed with the help of existing hoisting equipment, need to be manually transported by existing mobile equipment to the cement material sewage inspection wells, and need to be manually installed according to different specifications of cement sewage inspection wells The inspection well adjusts the fixed lifting tools. The existing mobile equipment cannot provide safe fixed facilities. Manual adjustment of the fixed tools is labor-intensive and low in efficiency. It can realize the mechanized and automatic installation function of the cement inspection well.
Owner:俞樑兵
Flange catcher
InactiveCN102537518AEasy underwater guidanceConvenient hoisting and dockingPipe laying and repairOcean bottomMarine engineering
A flange catcher is an n-shaped body, and the upper end of the n-shaped body is connected with a lifting lug. Two columns with different lengths of the n-shaped body are steel columns, the lifting lug is vertically connected onto a steel plate surface of the n-shaped body, and a hole is arranged on the lifting lug. The catcher can also be an L-shaped body, and a hole is arranged on the L-shaped catcher. The L-shaped body mainly comprises a steel plate, and a short column of the L-shaped body is a steel column. During connection of an oil pipeline under the ocean, a flange of the oil pipeline under the ocean is stably located on the flange catcher, a diver conveniently guides an engineering ship crane underwater to hoist and butt the oil pipeline under the ocean, a flange face of the oil pipeline under the ocean is effectively protected from damage, operation time is saved, and working efficiency is improved. Besides, underwater working time is shortened for the diver, and safety factor of underwater operation and integral construction safety are improved for the diver.
Owner:CHINA NAT OFFSHORE OIL CORP +2
Device and method for diagnosing bolt looseness of power transmission tower pole material connection node
ActiveCN111122140ARealize automatic diagnosis of loose failureAvoid Manual InspectionMachine part testingElectrical/magnetic solid deformation measurementTransmission towerWireless sensor networking
The invention discloses a device and a method for diagnosing bolt looseness of a power transmission tower pole material connection node. The device for diagnosing bolt looseness of a power transmission tower pole material connection node comprises a strain data acquisition device, a wireless sensor network system, a bolt looseness diagnosis module and a diagnosis result display terminal. At leasttwo strain data acquisition devices are installed near node bolts of a rod material connection node of a power transmission tower, and are used for acquiring real-time strain response data at the rodmaterial connection node, transmitting the real-time strain response data to the bolt looseness diagnosis module through the wireless sensor network system, judging the bolt looseness failure condition through the bolt looseness diagnosis module, and finally a node bolt looseness failure diagnosis result is displayed through the diagnosis result display terminal. According to the invention, intelligent diagnosis of bolt loosening failure is realized, manual detection consuming a lot of manpower and material resources is avoided, and the problems of node bolt detection and operation maintenanceare effectively solved.
Owner:STATE GRID HUBEI ELECTRIC POWER RES INST +3
Automatic cutting device for producing and processing plate material through mold
ActiveCN109968425AEasy to operateThere will be no collapseMetal working apparatusEngineeringMechanical engineering
The invention discloses an automatic cutting device for producing and processing a plate material through a mold. The automatic cutting device comprises a first platen and a second platen, a dovetailgroove is formed in the middle position of the upper surface of the first platen, the upper end of the dovetail groove is provided with a second cylinder fixed to the upper end of the first platen, and one end of the second cylinder is connected with a clamping piece. Support frames provided with limiting grooves in the middle portions are fixed to the upper ends of the first platen and the secondplaten, linear electric cylinders are fixed to the side ends of the support frames, I-shaped bodies are fixed to the side ends of electric cylinder sliders, the upper ends of the I-shaped bodies arefixedly provided with cutting mechanisms. After cutting is completed, transverse positioning disappears, longitudinal positioning does not change, the plate material does not collapse, and the personal safety of an operator is not threatened; and meanwhile, when the width of the cut plate material needs to be changed, the position of a fastening nut is adjusted, the appropriate distance between acutting wheel and a clamping plate is obtained through measurement, the desired width of the plate material after cutting is obtained, and operation is convenient.
Owner:铜陵中锐电子科技有限公司
Vehicle collision responding method and system
ActiveCN105946583AThreats to personal safetyReduce output currentElectric devicesPedestrian/occupant safety arrangementPower flowRadar
The invention provides a vehicle collision responding method applied to an electric or hybrid power vehicle. The method includes the steps that a potential collision target reported by vehicle-mounted radar and / or a vehicle-mounted camera and collision prejudgment information related to the potential collision target are obtained; based on the collision prejudgment information, whether the vehicle is about to collide with the potential collision target or not is prejudged; and if it is prejudged that the vehicle is about to collide with the potential collision target, the output current of a vehicle-mount power supply is reduced to a set safety value within preset time, wherein the preset time is shorter than collision remaining time. By the adoption of the method, the output current of the vehicle-mount power supply can be reduced to the set safety value in advance when it is prejudged that the vehicle is about to collide, and the traveling safety is improved.
Owner:QOROS
Flammable and explosive gas dangerous scene maneuverably equipped detection device
ActiveCN104713850AAccurate measurementRealize measurementScattering properties measurementsGas concentrationUltimate tensile strength
The invention provides a flammable and explosive gas dangerous scene maneuverably equipped detection device used for emitting pulse laser to a space region where to-be-measured gas is located; continuously measuring to obtain a non absorption characteristic spectral line returning light intensity and an absorption characteristic spectral line returning light intensity; acquiring basic parameters of atmospheric environment scattering returning light characteristics; utilizing compensating parameters for compensating the absorption characteristic spectral line returning light intensity; and according to the non absorption characteristic spectral line returning light intensity and the compensated absorption characteristic spectral line returning light intensity, acquiring characteristics of the to-be-measured gas, and thus obtaining geographic distribution data. The broad-spectrum laser is used as a light source, the measurement of environmental parameters is not required, the gas types and the gas concentration are measured according to the gas spectral absorption characteristics, returning light scattering characteristics and absorption characteristics are organically separated, measurement is accurate, and a discrete characteristic gas returning light measurement technology is adopted.
Owner:上海安允科技有限公司
Traditional Chinese medicine producing pre-treatment equipment
InactiveCN108705569AAchieve removalReduce labor costsCleaning using toolsCleaning using liquidsEngineeringPre treatment
The invention relates to traditional Chinese medicine producing pre-treatment equipment. The traditional Chinese medicine producing pre-treatment equipment comprises a bottom plate, a mounting rack, acutting-out device and a cleaning device. The mounting rack is mounted on the bottom plate; the cutting-out device and the cleaning device are mounted at the lower end of the mounting rack in sequence from left to right; the cutting-out device comprises a grabbing mechanism, a material placement box, a conveying mechanism, a cutting-out mechanism and a material push mechanism; and the cleaning device comprises a rotary delivery mechanism, a first cleaning mechanism, a second cleaning mechanism and a water pipe. By means of the traditional Chinese medicine producing pre-treatment equipment, the problems that the labor cost is high, the working efficiency is low, the working stability is poor, cleaning is not thorough, and the potential safety hazards exist in an existing rhizome-shaped traditional Chinese medicine pre-treatment process can be solved, the function of automatic pre-treatment for rhizome-shaped traditional Chinese medicine can be achieved, and the traditional Chinese medicine producing pre-treatment equipment has the advantages of being low in labor cost, high in working efficiency, good in stability, good in cleaning effect, low in potential safety hazard and the like.
Owner:潘岳燕
Method and device capable of performing safety early warning for hearing-impaired persons
PendingCN108846992ATimely and effective safety warningThreats to personal safetyAlarmsAcousticsSignal source
The invention belongs to the technical field of artificial intelligence and particularly relates to a method and device capable of performing safety early warning for hearing-impaired persons. The method comprises steps that S1, sound signals propagated by surrounding objects are collected through taking a user as the center; S2, characteristics of the collected sound signals are extracted and matched with a known sound signal, and dangerous signals and categories of dangerous signal sources are determined; S3, the user and the dangerous signal sources are respectively positioned, and the position of the user and the danger sources are marked on the map; S4, the user is continuously alerted to the surrounding dangerous signal sources, and the map with the marked position information of theS3 is sent to the user. The method is advantaged in that the danger signals in the surrounding environment can be timely reported to the hearing-impaired persons, safety early warning to the hearingimpaired persons in a timely and effective manner can be performed, and personal safety of the hearing impaired persons can be prevented from being threatened by hearing impairment problems.
Owner:东北大学秦皇岛分校
Non-contact type converter valve temperature on-line monitoring method and device
InactiveCN103604529ARealize online displayAchieve recordTransmission systemsThermometer applicationsCarrier signalContact type
The invention discloses a non-contact type converter valve temperature on-line monitoring method and device. The method comprises the steps that a temperature sensor located in a high potential area collects temperature data on the surface of a converter valve radiator, the temperature data are converted into digital signals which are transmitted to a receiving device located in a low potential area through electromagnetic wave carrier waves, the receiving device restores the received digital signals to be digital temperature signals, and the converter valve temperature is obtained according to the restored digital temperature signals. No direct electrical contact exists between a transmitter-receiver set and the temperature sensor located in the high potential area, and safety is good; the temperature sensor is directly arranged on the surface of the converter valve radiator, and precision is high; the non-contact type converter valve temperature on-line monitoring method and device can be directly applied to an intelligent converter station, and on-line monitoring of the converter valve temperature is achieved.
Owner:TIANSHENGQIAO BUREAU CSG EHV POWER TRANSMISSION CO
Fixture system for creep test
ActiveCN103926141AReduced tensile strength requirementsThreats to personal safetyStrength propertiesShoulder joint capsuleBiomedical engineering
The invention provides a fixture system for a creep test. The fixture system comprises an upper tensile rod, a plate sample joint, an extending rod, and a lower tensile rod, wherein a first connecting part is arranged between the upper tensile rod and the plate sample joint; a second connecting part is arranged between the plate sample joint and the lower tensile rod; the plate sample joint is coaxially connected with the extending rod; the structure of the second connecting part is the same as that of the first connecting part; the first connecting part is formed by combining a shoulder joint, a convex block and a first gasket or is formed by combining a first stopper, a second stopper, a second gasket, a tensile block and a fixing part. According to the design of the first connecting part and the second connecting part, a whole insulating material part is stressed with pressure instead of tension before, and thus the requirement on the tensile strength of the insulating material in the system is lowered. Moreover, the tensile block and the like are made of insulating materials, and the overall equipment is uncharged after pulse current is introduced, so that the safety performance of the equipment in the using process is improved, and a creep effect is good.
Owner:CENT SOUTH UNIV
Transit system for 10 kV switch trolley
ActiveCN104362527APrevent slippingThreats to personal safetySwitchgearAutomatic controlProgrammable logic controller
The invention relates to a transit system for a 10kV switch trolley. The transit system comprises a plurality of transit trolleys, a transit trolley conveying belt, positioning rods and transit trolley proximity switches. The transit trolley conveying belt is parallelly arranged on one side of a door of a switch cabinet and not abutted against the switch cabinet. The transit trolleys are slidably arranged on a portion, between the transit trolley conveying belt and the switch cabinet, of the transit trolley conveying belt. The positioning rods are mounted on the outside of the transit trolley conveying belt and correspond to the doors of the switch cabinets. Multiple of the transit trolley proximity switches are mounted on each positioning rod from the top down. Positioning blocks are arranged on the transit trolleys used for positioning detection of the transit trolley proximity switches on the positioning rods. The transit system has the advantages that a PLC (programmable logic controller)-controlled high-power translation portal crane and a push-rod motor are adopted; though a touch screen, the user operates and selects the transit trolley and action commands, and desired effects such that manual operation is reduced, automatic control is achieved and safety and reliability are improved are realized.
Owner:STATE GRID CORP OF CHINA +1
Detection fixture for ozone machine power panel
InactiveCN105675924AScientific and reasonable designSimple structureMeasurement instrument housingOzone generatorPower switching
The invention relates to a detection fixture for an ozone machine power panel. The detection fixture comprises a power switch, a rack, an air pump, an ozone generator, a crank, a pressing plate mechanism, a needle bed, a support plate box, a controller and a display screen. The hollow support plate box is arranged in the horizontal direction below the rack. The air pump and the ozone generator are arranged inside the support plate box. The power switch is arranged on the outer surface of the support plate box. The controller and the display screen are arranged at one side of the upper surface of the housing of the support plate box. As the fixture is equipped with the control panel, the display screen and related probes, relevant detection results and control information of the power panel can be displayed on the display screen and control operation can be carried out on the control panel, so that detection is more precise, and control is more convenient. The detection fixture is scientific and reasonable in design, simple in structure and time- and labor-saving, has low professional requirement on testers, and is low in rate of wrong detection. The production efficiency of enterprises is improved, and the production cost of enterprises is lowered.
Owner:TIANJIN KEYI ELECTRONICS TECH
Electroplating equipment with impurity removal function
The invention relates to electroplating equipment with an impurity removal function. The electroplating equipment comprises a main body, a supporting plate, a lifting device, a lifting plate and two supporting columns, and further comprises a stirring mechanism and two impurity removal mechanisms; the stirring mechanism comprises a protection assembly and two stirring assemblies, and each stirringassembly comprises a first bearing, a rotating shaft, a paddle, a driving unit and a control unit; the protection assembly comprises a connecting ring, two protection units and two air cylinders; each impurity removal mechanism comprises an impurity removal box, a filter screen, a water pumping assembly, a circulating assembly and an impurity removal assembly; and each impurity removal assembly comprises an abutting plate, a second spring, a connecting rod and a scraper blade. According to the electroplating equipment with the impurity removal function, the stirring mechanism can be used forstirring liquid zinc inside the main body, and flow of the liquid zinc is accelerated, so that the galvanizing quality is guaranteed, meanwhile, the electroplating speed can be increased, the electroplating time is shortened, and the working efficiency is improved; and through the impurity removal mechanisms, the function of removing impurities from the liquid zinc is achieved, and reduction of the galvanizing quality due to the excessive impurity content in the liquid zinc is avoided.
Owner:广州市欧伊若科技有限公司
Automobile maintenance supporting frame
Owner:广州市鹭江远科技有限公司
Foundation structure in house building construction
InactiveCN109989417AImprove waterproof performanceAvoid corrosionWallsProtective foundationPondingReinforced concrete
The invention discloses a foundation structure in house building construction. The foundation structure comprises an original soil layer and a foundation pit; the foundation pit is arranged at the middle end of the raw soil layer; the foundation pit is formed by excavating the original soil layer; a three-in-one soil cushion layer is arranged at the bottom of the foundation pit; and the three-in-one soil cushion layer is formed by compacting the bottom of the foundation pit. A waterproof coating is composed of surface paint, bottom paint and sealing paint. The upper end of a reinforced concrete layer is coated with the waterproof coating. The upper end of the reinforced concrete layer is coated with the sealing paint to keep the reinforced concrete layer in a flat and closed state, then the bottom paint is smeared on the sealing paint for priming, and then the surface paint is smeared on the bottom paint for increasing the waterproof property. The waterproof coating disclosed by the invention has the beneficial effects that water is prevented from accumulating to corrode the foundation of a house through the waterproof coating, so that the situation that the structure of the houseis instable and threatens the personal safety of a house owner due to corrosion is completely eradicated.
Owner:JIANGSU ZHENGWEI CONSTR
Floating crane swing reducing device
PendingCN111115473AReduce the amplitudeStable lifting workLoad-engaging elementsCranesControl engineeringServo
The invention discloses a floating crane swing reducing device. The floating crane swing reducing device comprises a longitudinal damping mechanism and a transverse damping mechanism. The longitudinaldamping mechanism comprises a first bracket and at least two first electric cylinders. The two first electric cylinders are longitudinally arranged on the first bracket, a first rolling wheel is connected to a first push rod of each first electric cylinder, the first push rods stretch out and draw back in the longitudinal direction, and rolling wheel shafts of the first rolling wheels are transversely arranged. The transverse damping mechanism comprises a second bracket and a second electric cylinder. The second bracket is transversely erected on the two first electric cylinders. A second push rod of the second electric cylinder is connected with a second rolling wheel, the second push rod stretches out and draws back in the transverse direction, and a rolling wheel shaft of the second rolling wheel is longitudinally arranged. According to the floating crane swing reducing device, the time lag gain active servo swing reduction principle is utilized, the damping is continuously added to a swing object when a lifting hook or the lifted object is motivated by the shake of a ship to swing, and therefore the amplitude of vibration is effectively reduced, the lifted object in-position difficulty is reduced, the in-position efficiency is improved, the construction cost and the resource waste of the ship downtime in the window waiting period are reduced, and the floating crane swing reducing device has the high engineering utilization value.
Owner:CCCC SECOND HARBOR ENG
Emergency refuge alarm-giving kiosk control system based on attended operation
The invention discloses an emergency refuge alarm-giving kiosk control system based on attended operation. The emergency refuge alarm-giving kiosk control system is characterized by comprising attended-operation emergency refuge alarm-giving kiosks, an area branch-center control system, a police server, an overall-center control system, an emergency refuge alarm-giving control server system, a management control system and a remote networking control management system; the control system supports large-scale networking, unified networking can be carried out on a certain area, and the use state of each kiosk body can be monitored through computers. Standard entry-exit buttons are arranged, and users can further press emergency button switches to open doors or remotely open the doors in emergency; due to triple insurances, it is guaranteed that the users can not be locked in the kiosk bodies. The intelligent voice system function, the remote door opening function and the remote locking function are achieved, on-site stopping and remote stopping of the emergency refuge alarm-giving kiosks can be achieved, and the rich alarm giving and recording functions can be achieved.
Owner:乐山市易华录投资发展有限公司
Forming die of outdoor mutual inductor, and casting fixing and sealing method of outdoor mutual inductor
InactiveCN104526940APrevent radial offsetEasy to processInductances/transformers/magnets manufactureEngineeringInductor
The invention discloses a forming die of an outdoor mutual inductor, and a casting fixing and sealing method of the outdoor mutual inductor. The forming die comprises an upper die and a lower die which are used for forming a die cavity, the upper die is provided with a casting hole connected with the die cavity and an air outlet, a die core is arranged in the die cavity, the upper end and the lower end of the die core are connected with the upper die and the lower die respectively, the upper end and the lower end of the die core are jointed into the upper groove of the upper die and the lower groove of the lower die respectively, and the part of the die core positioned in the die cavity is cylindrical in shape; and a group of fixed pillars for supporting mutual inductor coils is arranged in the die cavity surrounding the die core, the fixed pillars are fixedly connected with the lower die, and the upper end of each of the fixed pillars is provided with a stepped clamping platform for jointing the external edge and the lower edge of each of the mutual inductor coils. The forming die and the method improve the resin casting fixing and sealing efficiency of the outdoor mutual inductor, reduce the unit energy consumption and the defective index of the outdoor mutual inductor and improve the insulation degree of the outdoor mutual inductor.
Owner:XUCHANG YONGXIN ELECTRIC
Hidden type wiring manner based on lift shaft frame
PendingCN107458945AExtended service lifeImprove securityElectrical apparatusElevatorsLow voltageUltraviolet
The invention discloses a hidden type wiring manner based on a lift shaft frame. Wiring arrangement of three portions is carried out, and according to the first portion, a cavity of the lift shaft frame is used for enabling a cable of the low-voltage part to be hidden in; according to the second portion, a voltage conversion and control device is placed in a control cabinet, and cables of a high-voltage portion and a voltage conversion portion are fixed into the lift control cabinet; according to the third portion, a distributor plate distributes the cable in the cavity of the lift shaft frame. The manner has the beneficial effects that the cable is arranged in the cavity of the lift shaft frame, contact like friction of the cables and other components in a shaft and direct radiation of ultraviolet can be avoided, the service life of the cables is prolonged, and the cable use safety coefficient is improved; the voltage conversion and control device is used for controlling the transmission voltage of the cables in the lift shaft frame cavity, and the phenomenon that due to accidental damage of the cables, passenger personal safety is threatened is avoided; the distributor plate is adopted for power distribution, cable mounting efficiency is improved, and meanwhile, shaft cable standardization and methodization are carried out.
Owner:上海峰景移动科技有限公司 +1
Gas leakage measuring instrument
InactiveCN104215404ASimple structureEasy to useMeasurement of fluid loss/gain rateMeasuring instrumentEngineering
The invention discloses a gas leakage measuring instrument. The gas leakage measuring instrument is suitable for being connected with an external gas source and a to-be-measured device and comprises a shell, a pressure reduction device, a proportional valve, a pressure measuring device, a controller and a display screen. The pressure reduction device is disposed in the shell; the proportional valve is arranged in the shell and connected with the pressure reduction device; the pressure measuring device is arranged in the shell and applicable to measurement of internal gas pressure of the to-be-measured device; the controller is respectively connected with the pressure reduction device, the proportional valve and the pressure measuring device and obtains the leakage rate of the to-be-measured device according to a pressure value measured by the pressure measuring device; the display screen is arranged outside the shell and used for displaying measurement information of the gas leakage measuring instrument. The gas leakage measuring instrument has the advantage that by integration of all parts, the leakage rate of the to-be-measured device can be measured conveniently, quickly and accurately.
Owner:BEIJING AEONMED
Electric traction locomotive operation overvoltage suppression control system and method
The invention discloses an electric traction locomotive operation overvoltage suppression control system and method. The system comprises a pantograph rising and falling overvoltage suppressor connected in series between a pantograph and a circuit breaker, a circuit breaker operation overvoltage suppressor connected in series between the circuit breaker and a main transformer, and a novel protection grounding device connected in series in a grounding cable between a carriage bottom bogie and a grounding carbon brush. When the circuit breaker acts, the circuit breaker operates an inductor in the overvoltage suppressor to be connected into a circuit, a train protection grounding system is directly grounded through a grounding cable, a train body resistor bears most overvoltage in the circuit, and the train body pantograph rising surge overvoltage is reduced. And the residual overvoltage is released through a grounding cable in the novel protection grounding device, so that the overvoltage of the vehicle body is greatly reduced. In the processes of pantograph rising and falling, neutral section passing, short circuit faults and the like, due to overvoltage generated by actions of a pantograph and a circuit breaker, weak current signal equipment damage and insulation breakdown caused by overvoltage operation are avoided.
Owner:SOUTHWEST JIAOTONG UNIV
Lock with double lock cylinders
ActiveCN105133940AReasonable structureImprove securityCylinder locksElectrical and Electronics engineering
Owner:嘉兴美可泰科技有限公司
Scaffold capable of conveying materials
InactiveCN105888223AImprove stabilityThreats to personal safetyScaffold accessoriesBiochemical engineeringPulley
The invention discloses a scaffold capable of conveying materials. The scaffold comprises a scaffold cross rod and scaffold vertical rods at two ends of the scaffold cross rod. Each scaffold vertical rod is formed by connecting a supporting column and a scaffold supporting rod connected with the scaffold cross rod, and each scaffold supporting rod and the corresponding supporting column are correspondingly provided with a plurality rows of height adjusting holes and are fixed through fixing parts penetrating the height adjusting holes, and at least two height adjusting holes are arranged in each row. A support base is arranged at the bottom of each supporting column, and an anti-tilting support rod is arranged on the outer side of each supporting column. The scaffold cross rod and the scaffold supporting rods are fixed through locking fasteners, two pulleys are arranged on the outer sides of the locking fasteners respectively and connected through a rope, and a material box is arranged on the rope. The scaffold is capable of conveying the materials, labor-saving, simple and convenient to operate, height-adjustable, capable of preventing scaffold tilting, high in safety coefficient and long in service life.
Owner:JIANGSU YEQIANG SCAFFOLD SCI & TECH DEV CO LTD
Auxiliary stone laying device
PendingCN112125163AReduce labor intensityThreats to personal safetyLoad-engaging elementsCranesConstruction engineeringStructural engineering
Owner:ZONBONG LANDSCAPE
Convex manhole cover for escape opening of comprehensive pipe gallery
PendingCN111139866AEliminates the possibility of clutter buildupGood economic and social benefitsArtificial islandsUnderwater structuresStructural engineeringPipe
The invention relates to a convex manhole cover for an escape opening of a comprehensive pipe gallery, and belongs to the technical field of the comprehensive pipe gallery. The convex manhole cover includes a base and a cover plate hinged to the base and capable of being opened and closed. The cover plate is of a pyramid-shaped housing structure with multiple sides. The cover plate of the pyramid-shaped structure has the characteristics of the high middle and the low edge, debris is not prone to being accumulated on the cover plate, and the hidden danger that the cover plate is difficult to open from the inside of the comprehensive pipe gallery and an escape passage is blocked due to stacked items on the cover plate is eliminated.
Owner:CISDI ENG CO LTD
Pipeline leaking stoppage robot and working method
ActiveCN111895212AThreats to personal safetyNo manual operationPipe elementsControl engineeringMechanical engineering
The invention relates to a pipeline leaking stoppage robot and a working method. The robot comprises a walking mechanism. A mechanical arm is mounted on the walking mechanism. A chuck mechanism is mounted at the tail end of the mechanical arm and can be detachably connected with a blocking mechanism. The chuck mechanism comprises a supporting plate. A clamping mechanism is mounted on the supporting plate. The blocking mechanism comprises a blocking assembly, wherein the blocking assembly is connected to a fixed plate and can be opened and closed. Switching of the locking state and the loosening state of the supporting plate and the fixed plate is achieved through the clamping mechanism, and the blocking assembly can be connected with a blocking drive part arranged on the supporting plate through a transmission mechanism. The robot is high in work efficiency and good in safety.
Owner:SHANDONG UNIV
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