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45results about How to "Effective security protection" patented technology
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Construction method of lock chamber deep foundation pit
PendingCN119411595AImprove reliabilityImprove efficiencyClimate change adaptationExcavationsArchitectural engineeringMesh reinforcement
The invention relates to a construction method of a lock chamber deep foundation pit, which adopts a waterproof steel frame pressing and fixing mode and a bottom drainage channel centralized pumping drainage mode, can efficiently centralize and guide water in the foundation pit to be drained, and improves the drainage reliability and efficiency. The problem that the excavation face of the foundation pit is softened and disintegrated when encountering water is effectively solved, and it is guaranteed that the excavation face is stable and water is discharged in time; the movable protection platform is adopted, effective safety protection can be provided in the blasting operation process, the safety of constructors is improved, and risks in the construction process are reduced; by adopting the reinforcing mesh integral channel steel pressing and fixing connection structure, the rock slope can be effectively supported and reinforced, the stability of the slope is improved, and in addition, the integral connection mode is also beneficial to improving the construction efficiency and quality.
Owner:ANHUI WATER CONSERVANCY DEV CO LTD
Intelligent monitoring device for building construction
ActiveCN222655213UGuaranteed uptimeEasy to clean upClosed circuit television systemsCleaning using toolsVideo monitoringArchitectural engineering
The utility model discloses a building construction intelligent monitoring device which comprises a fixed box, an intelligent monitoring camera is fixedly installed at the middle end of the bottom of the outer surface of the fixed box, a driving motor is fixedly installed at the right end of the bottom of the outer surface of the fixed box, and a screw rod is fixedly installed at the output end of the driving motor. The top of the screw is movably connected to the right end of the top of the inner cavity of the fixed box through a bearing. Through the arrangement of the intelligent monitoring camera, video monitoring operation can be carried out on the environment around building construction, and through the arrangement of the driving motor, the screw rod, the movable frame, the fixed shaft, the cleaning scrubbing brush, the rotating shaft, the gear, the toothed plate, the L-shaped rotating rod and the through groove, the effect of automatically cleaning dust attached to a lens of the intelligent monitoring camera is achieved; the video monitoring operation of the intelligent monitoring camera can be effectively ensured to run stably for a long time, and meanwhile, great convenience is brought to the cleaning work of personnel.
Owner:XIAN KEMEIGE INTELLIGENT TECH CO LTD
Metal safety net fixing guide vane protection device with wiring guiding function
ActiveCN222632892Uincrease frictionreduce resistanceHydro energy generationMachines/enginesSafety netStructural engineering
A metal safety net fixed guide vane protection device with a wiring guide function comprises guide mechanisms, and the guide mechanisms are circumferentially fixed to fixed guide vanes in multiple groups. Each group of guide mechanisms are arranged up and down in pairs; the upper and lower guide ropes penetrate through the corresponding guide mechanisms and are tightened by tightening devices; and the safety net is buckled and tightened with the guide rope up and down through a safety buckle. The metal safety net fixing guide vane protection device with the wiring guiding function is high in strength and small in resistance.
Owner:CHINA YANGTZE POWER
Body fluid sampling inspection storage device for endocrinology department
ActiveCN222453016UEasy to holdEffective security protectionContainers to prevent mechanical damageInternal fittingsEndocrinology departmentStructural engineering
The utility model discloses an endocrinology department body fluid sampling inspection storage device which comprises a storage box, the left end of the top of the storage box is movably connected with a protective cover plate through a hinge, the upper end of an inner cavity of the storage box is fixedly connected with a placing partition plate, and the right end of the placing partition plate is movably connected with a test tube body. The left end of the top of the placement partition plate is movably connected with a movable guide plate. Through the arrangement of the storage box, the protective cover plate and the placement partition plate, test tube bodies required to be stored for body fluid sampling inspection in the endocrinology department can be conveniently contained, the peripheries of the test tube bodies can be effectively and safely protected, and the test tube bodies are prevented from being directly collided by objects to be damaged in the transferring or carrying process; and by arranging a protective cover plate, a storage box, a movable guide plate, a placement partition plate, a movable frame, a third spring and a fixed clamping plate, the effect of effectively fixing the test tube body is achieved.
Owner:WUXI PEOPLES HOSPITAL
Cutting device for tracking gaps of towel cloth by using infrared detection technology
InactiveCN119243456AGuaranteed accuracyflexible adjustmentOptical detectionSevering textilesKnife bladesMaterials science
The invention relates to the related technical field of cloth gap module tracking and detection, in particular to a towel cloth gap tracking cutting device with an infrared detection technology, which comprises a placing frame, an electric transmission rod, a connecting plate and a first connecting frame, an adjusting mechanism is arranged on the inner side surface of the placing frame, and a fixing mechanism is arranged on the inner side surface of the placing frame. And a cutting mechanism is arranged on the inner side surface of the placing frame. The cutting device for tracking the towel cloth gaps through the infrared detection technology has the advantages that the process can be controlled by pressing a button to start the control box, the working efficiency is improved, the skill requirement for operators is lowered, the cutting position can be flexibly adjusted, and stability and precision are ensured; the cutting blade is firmly installed, stable and reliable cutting is guaranteed, the infrared edge detector accurately positions the center of a gap, automatic stopping is achieved when problems occur, the air cylinder drives the protective shell to descend, and safety protection is provided.
Owner:YANCHENG JINGTONGYUAN MASCH CO LTD
Protective film edge cutting device with positioning structure
The protective film edge cutting device with the positioning structure comprises a fixing frame and a second motor, a rotating seat is fixedly installed at the output end of the second motor, a hydraulic cylinder is fixedly installed at the middle end of the top of the fixing frame, and a fixing frame is fixedly installed at the output end of the hydraulic cylinder. Through the arrangement of the rotating seat, a protective film coiled material needing to be cut is conveniently supported, through the arrangement of the first motor, the screw rod, the movable plate and the positioning seat, the effect of effectively clamping and positioning the protective film coiled material is achieved, the protective film coiled material is prevented from displacing in the subsequent edge cutting process, and the service life of the protective film coiled material is prolonged. By arranging a second motor, a rotating seat, a hydraulic cylinder, a fixing frame, a rotating shaft and a hobbing cutter, the effect of effective edge cutting machining on a protective film is achieved, and by arranging a T-shaped guide rod, a guide groove, a rotating cylinder, a rotating rod, a fixing frame and a protective baffle, effective safety protection can be conducted on the periphery of the hobbing cutter.
Owner:SHENZHEN CHUERFA NEW MATERIALS CO LTD
Safety device special for roll paper film winding machine
ActiveCN222184501UEliminate potential safety hazardsImprove operational safetyWrappingPower-operated mechanismWinding machineRolling paper
The utility model belongs to the technical field of film winding machines, and particularly relates to a safety device special for a roll paper film winding machine, which comprises a supporting rod, a fixing plate, a transmission mechanism, a safety door, a safety detection mechanism and a control system, the fixing plate is fixedly connected with the supporting rod, and the transmission mechanism comprises a motor, a belt wheel, a belt and a rotating shaft and is arranged between the supporting rod and the fixing plate. The safety detection mechanism comprises a stand column, an upper limiting rod, an upper limiting switch, a lower limiting rod and a lower limiting switch, the stand column and the lower limiting rod are fixedly connected with the ground plane, the upper limiting rod is fixedly connected with the stand column, the upper limiting switch is fixedly connected with the upper limiting rod, and the lower limiting switch is fixedly connected with the lower limiting rod. The safety closing device of the film winding machine has the advantages that the safety closing of the film winding machine in the working process is achieved, potential safety hazards caused by the swing arm are eliminated, and the operation safety of equipment is improved.
Owner:ZHONGTIAN PAPER
Textile fabric self-adaptive pressing winding device
PendingCN119637603AEnsure consistencyAchieve angle adjustmentWebs handlingStructural engineeringMechanical engineering
The invention relates to the technical field of cloth winding, in particular to a textile cloth self-adaptive pressing winding device which comprises a rotating support, and a positioning sleeve is integrally arranged on the outer wall of the rotating support; the pressing assembly comprises a pressing frame, and the pressing assembly is rotationally arranged on the outer portion of the positioning sleeve in a sleeving mode through the pressing frame; the rotating assembly is rotationally connected with the positioning sleeve through a bearing; and the driving assembly is used for rotating driving of the rotating assembly and meanwhile achieving angle rotating adjustment of the pressing assembly. Through the arrangement of the driving assembly, the angle of the pressing assembly can be adjusted while the rotating assembly is driven to rotate, so that the angle of the pressing assembly can be effectively and adaptively adjusted along with the rotation of the rotating assembly, and the consistency of the pressing force on the cloth is ensured; and the situation that the cloth pressing force is inconsistent due to the change of the cloth rolling height is effectively avoided.
Owner:ANHUI PROVINCE GUANSHENG TEXTILE-TECHENNOLOGY CO LTD
Video portrait capture automatic identification prevention and control method
InactiveCN119479128AGuaranteed uptimeeffective security protectionIndividual entry/exit registersBurglar alarmCommunity orElectrical battery
The invention relates to the technical field of video portrait automatic capture, and discloses a video portrait capture automatic identification prevention and control method, which comprises the following steps: 1) creating an access control system, and collecting face features of an initial user; according to the video portrait capture automatic identification prevention and control method, the feature pickup is set to be the contact feature and the non-contact feature, the contact feature represents fingerprint identification, and the non-contact feature represents face identification, so that a user can conveniently select an identification mode, multiple choices are provided for people with hand inconvenience, the humanization effect is improved, and the user experience is improved. By arranging the prevention and control unit, the safety prevention and control effect on users is achieved, the access control system runs stably through the arrangement of the electric quantity control unit, the standby battery is continuously used when power shortage occurs, the access control system is more intelligent and humanized through the arrangement of the early warning interval, effective safety protection is provided for the environment of a community or a community, and the safety of the community or the community is improved. Meanwhile, transactions of local related departments can be shared, and great contribution is made to the society.
Owner:江苏芯灵智能科技有限公司
Hydraulic cylinder with external protection
ActiveCN224301154UImprove structural strengthImprove tear resistanceFluid-pressure actuatorsHydraulic cylinderHydraulic ram
The utility model relates to a hydraulic oil cylinder with external protection structure belongs to hydraulic oil cylinder technical field, including hydraulic oil cylinder main part, spiral reinforced telescopic cover, honeycomb guard, hydraulic oil cylinder main part is provided with piston rod, hydraulic oil cylinder main part and piston rod all are installed with trunnion, the both ends of spiral reinforced telescopic cover are connected through screw with hydraulic oil cylinder main part and piston rod respectively, hydraulic oil cylinder main part evenly fixedly installed has dovetail groove, honeycomb guard is inserted in dovetail groove, and the limiting bottom plug is inserted in dovetail groove and is positioned through screw. The utility model, set up honeycomb guard compared with traditional solid steel plate or plastic guard can have better impact resistance, and the weight is lighter, adopts split type design to facilitate the damaged piece to disassemble and replace, honeycomb structure attenuates vibration energy, improves the anti -vibration performance, and the honeycomb guard shell can effectively resist the rigid impact to the oil cylinder, especially suitable for mine, metallurgy, engineering machinery and other severe environment.
Owner:YANCHENG HAITE MACHINERY TECH CO LTD
Safety protection device for loading foam glass into vehicles
This utility model relates to the field of safety protection technology for loading foam glass, and discloses a safety protection device for loading foam glass, including two No. 1 wheel frames; the No. 1 wheel frame, No. 2 wheel frame, and No. 3 wheel frame are connected by a single slider and a double slider, and a first winch and a second winch, so that the device can be flexibly deployed on a flatbed truck. In use, it is connected to the safety rope on the employee through the hanging wheel, and the No. 3 wheel frame can be moved according to the loading and unloading needs to provide effective safety protection for the employee and prevent the employee from falling from a height. By applying external force to pull the positioning pin, it is disengaged from the positioning groove, which releases the positioning pin from the brake rod. At this time, the positioning pad is pressed against the ground by pressing the brake rod. At this time, the positioning pin is embedded into the positioning groove under the action of the positioning spring, which can fix the brake rod. Under the action of the friction between the positioning pad and the ground, the device will not be able to move, ensuring the braking effect of the device.
Owner:HEBI WANLI BUILDING MATERIALS
Rapid determination device for concrete strength of civil air defense engineering
ActiveCN224189761URapid determinationavoid harmMaterial strength using tensile/compressive forcesHydraulic cylinderCompressive resistance
The utility model discloses a civil air defense engineering concrete strength rapid measuring device which comprises a supporting table and a hydraulic cylinder, a pressure sensor is fixedly installed at the output end of the hydraulic cylinder, a detection pressing block is fixedly installed at the bottom of the pressure sensor, and a PLC is fixedly installed at the right end of the front surface of the supporting table. A stepping motor is fixedly installed at the upper end of the left side of the outer surface of the supporting table. Through the arrangement of the supporting table, a concrete sample for strength detection required by civil air defense engineering can be supported, and through the arrangement of the hydraulic cylinder, the pressure sensor and the detection pressing block, personnel can conveniently and rapidly measure the compressive strength of civil air defense engineering concrete; meanwhile, through the arrangement of a stepping motor, a two-way screw rod, a moving plate and a protective cover, the periphery of the concrete sample can be effectively and safely protected in the measuring operation process, and concrete chippings are prevented from splashing to the periphery and hurting personnel.
Owner:MAANSHAN ZHONGXIN ENG QUALITY INSPECTION CONSULTING CO LTD
Foundation pit safety protection device for road construction
ActiveCN224093097UEffective security protectionImprove practicalityFencingArchitectural engineeringScrew thread
The utility model belongs to the technical field of road construction, and discloses a road construction foundation pit safety protection device which comprises two stand columns, the two stand columns are horizontally distributed in a spaced mode, the middles of the opposite end faces of the two stand columns make contact with connecting plates, and an adjusting assembly is arranged between the middles of the two connecting plates. Limiting assemblies are arranged between the two sides of the two connecting plates. Through the stand columns on the two sides and the connecting plate, a threaded cylinder, an adjusting screw rod, a rotating shaft, a compensation rod, a T-shaped groove, a T-shaped shaft, a limiting cylinder and a sliding rod which are arranged in cooperation with the positions between the stand columns on the two sides and the connecting plate, assembly can be conducted on the road construction foundation pit site, and effective safety protection is conducted on the foundation pit; and the protection action length on the foundation pit can be adjusted according to specific requirements on the site, so that the practical effect of the whole safety protective fence is effectively improved.
Owner:ANHUI YUNRAN CONSTRUCTION ENGINEERING CO LTD
Protective net mounting structure for GRC curtain wall plate
ActiveCN222632876Uquick disassemblyquick installationBuilding material handlingMechanical engineeringCurtain wall
The utility model relates to the technical field of protective net installation, in particular to a protective net installation structure for a GRC curtain wall plate, which comprises a connecting column, a pressing type connecting mechanism is fixedly arranged in the connecting column, and the pressing type connecting mechanism comprises a telescopic groove, a telescopic spring, a movable limiting plate, a pressing column and a clamping column. The clamping column on one side of the connecting column is injected into the curtain wall to be movably connected with the movable groove so as to fix the position of the mounting plate, the fixing buckle on one side of the auxiliary supporting rod is aligned with the limiting bayonet so as to limit and support the whole protective net mounting frame, and if the safety range needs to be extended, the fixing buckle can be fixed. The auxiliary stretching plate can be stretched out by lifting the handle, the fixing groove and the movable clamping column are movably connected through elastic deformation of a compression spring on one side of the auxiliary stretching plate, and the device is provided with a convenient pressing type dismounting and mounting mechanism, so that the protective net can be rapidly dismounted and mounted; and a large amount of physical strength and time of workers can be saved during large-scale mounting and dismounting.
Owner:SHANDONG HUIFU CONSTR GRP CONSTR IND CO LTD
A coal mill rail crossing hoist anti-misoperation protection device
The utility model relates to the technical field of hoist, concretely is a kind of coal mill over rail hoist anti-misoperation protection device, including multiple Y axis fixed rail, the electric power car is hung in the lower of Y axis fixed rail, and one end of the electric power car is fixedly installed with anti-deviation idler wheel, both ends of multiple Y axis fixed rail are fixedly installed with travel switch, both sides of multiple travel switches are rotatably installed with trigger lever, and the middle portion below every two electric power cars is fixedly installed with X axis moving rail. The utility model solves the problem that the traditional part over rail hoist safety protection mechanism is not perfect, lacks guiding and limiting device, and there are many problems in actual use.
Owner:GUANGDONG DATANG INT CHAOZHOU POWER GENERATION CO LTD +1
Protection device for civil construction of building workers
ActiveCN222253019Uheight adjustableEffective security protectionScaffold accessoriesArchitectural engineeringElectric machinery
The utility model provides a protection device for civil construction of building workers, and relates to the technical field of protection devices. The protection device for civil construction of the building worker comprises a bottom plate, an adjusting mechanism is arranged above the bottom plate, the adjusting mechanism comprises a telescopic frame, a first hinge block is hinged to the lower end of the telescopic frame, the bottom face of the first hinge block is fixedly connected with the bottom plate, and a connecting rod is rotationally connected to the inner wall of the telescopic frame; and one end of the connecting rod is rotationally connected with a moving plate. According to the protection device for civil construction of the building worker, through cooperative arrangement of the telescopic frame, the first hinge block, the connecting rod, the movable plate, the two-way screw rod, the limiting sliding plate, the sliding rod, the fixed plate, the second hinge block, the hinge sliding block, the telescopic rod and the motor, the height of the construction table and the protection mechanism can be effectively adjusted through deformation of the telescopic frame; and when a worker carries out construction at different heights, safety protection can be effectively carried out on the worker through the construction table, and the device is further made to be more practical.
Owner:木兰县城乡环境和住房保障事务中心
Paper product cutting equipment
ActiveCN222155754Ustable supportEffective security protectionMetal working apparatusElectric machineryMachining
The utility model discloses paper product cutting equipment which comprises a processing table, the right end of the top of the processing table is fixedly connected with a vertical plate, the upper end of the front surface of the vertical plate is fixedly provided with a first motor, the output end of the first motor is fixedly provided with a paper tube core penetrating rod, and the left end of the top of the processing table is fixedly connected with a guide plate. An air cylinder is fixedly mounted at the middle end of the left side of the machining table. Through the arrangement of the paper tube core penetrating rod, a paper tube needing to be cut can be conveniently supported, and through the arrangement of the air cylinder, the working box, the screw rod, the movable plate, the fixed box, the cutter, the first motor and the paper tube core penetrating rod, the effect of carrying out cutting operation on paper products such as the paper tube is achieved; and through the arrangement of a second motor, a screw rod, a moving plate, a fixed box and a cutter, a worker can conveniently adjust the operation position of the cutter according to the paper tube cutting requirement, and certain convenience is brought to the use of the worker.
Owner:SHENZHEN YONGFU PAPER CO LTD
Seats and vehicles
This utility model discloses a seat and a vehicle. The seat includes: a seat body, comprising a seat cushion, a backrest, and a leg rest, with the backrest connected to the rear end of the seat cushion and the leg rest connected to the front end of the seat cushion; an airbag module disposed on the leg rest, the airbag module being used to restrict the lower limb movement of the occupant on the seat body after deployment; and an airbag controller electrically connected to the airbag module, the airbag controller controlling the state of the airbag module based on received vehicle status signals. This utility model not only effectively reduces the displacement of the occupant in a collision, but also reduces the impact injury caused by inertia by slowing down the forward or lateral movement speed of the occupant's body, thereby significantly improving the protective effect of the entire occupant restraint system and providing more comprehensive and effective safety protection for the occupant.
Owner:BEIJING CAVAN NEW ENERGY AUTOMOTIVE CO LTD
Carbon emission monitoring device
PendingCN119289240Aeasy to useSimple structural designCasings/cabinets/drawers detailsStands/trestlesStructural engineeringMechanical engineering
Owner:ZHEJIANG WUYI ELECTRICAL INSTALLATION ENG CO LTD
Electric locomotive, safe end changing device thereof, control method and storage medium
ActiveCN119428769Aimprove securityeffective security protectionLocomotivesPower current collectorsContact networkTransformer
The invention discloses an electric locomotive and a safe end changing device, a control method and a storage medium thereof, the end changing device comprises a first end changing switch, a second end changing switch and a control unit, the first end changing switch is arranged in a first cab, and the second end changing switch is provided with a second cab; the first end-changing switch and the second end-changing switch are both used for generating end-changing instructions; the control unit is used for activating an end changing process according to a first end changing instruction generated by the first end changing switch or the second end changing switch, judging whether the first end changing instruction is a misoperation instruction or not, and controlling the pantograph to act according to a judgment result so as to avoid current collection of the double pantographs during misoperation. The problems of short circuit of a contact network, tripping of a transformer substation, explosion damage of a high-voltage box of a locomotive and the like caused by misoperation of a driver are effectively avoided, and the safety of railway lines and the locomotive is improved.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO LTD
Node traffic monitoring method, system and device and storage medium
PendingCN119276536ARapid positioningprecise positioningSecuring communicationHigh level techniquesNetworked systemNetwork model
The invention provides a node traffic monitoring method, system and device, and a storage medium, and the method comprises the steps: building a multi-node network model through simulating the node network topology of a target network system, simulating and mapping a real security protection environment in the target network system, and building a virtual protection platform; based on the node traffic data of each network node in the target network system, performing real-time traffic anomaly monitoring on each network node to obtain abnormal node information; and controlling the multi-node network model to carry out node traffic abnormity early warning and display the abnormal nodes, opening network vulnerabilities of the virtual protection platform so as to guide network attacks aiming at the target network system to the multi-node network model, thereby realizing rapid and accurate positioning of the abnormal nodes in the system, and improving the system reliability. Meanwhile, network vulnerabilities can be opened, network attacks are guided to the multi-node network model, the system abnormity positioning efficiency is improved, effective safety protection can be provided in time, and therefore the system safety is improved.
Owner:BEIJING JINGHANG COMPUTING & COMM RES INST +1
Corrosion-resistant high-protection cabinet lock
ActiveCN222526050Uprevent openingavoid exposureBuilding locksIndividual entry/exit registersElectric machineryStructural engineering
The utility model relates to the technical field of locks, in particular to a corrosion-resistant high-protection cabinet lock which comprises a protective shell and a fingerprint identifier which are located on a cabinet, a through hole corresponding to the fingerprint identifier is formed in the protective shell, and an upper hole and a lower hole which correspond to each other are formed in the protective shell. A controller and a face recognition system which are matched with each other are fixedly mounted on the cabinet and the protective shell respectively, a guide rod is fixedly mounted in the upper hole, and a rack movably sleeves the guide rod. According to the utility model, the protective shell is made of an iron alloy material, and the protective plate is driven by the motor to move downwards and then extend into the lower hole through the through hole, so that the protective plate and the protective shell can protect the fingerprint identifier; after the motor drives the screw rod to rotate, the screw rod drives the nut to move horizontally, the nut drives the support and the cleaning cloth to move, fingerprints and sweat on the fingerprint identifier can be cleaned, and therefore the cabinet can be effectively and safely protected.
Owner:TIANJIN BSTEX EXPLOSION PROOF ELECTRICAL APPLIANCE
White list access control method and system based on intelligent network card and medium
PendingCN119652574Aimprove securityEffective security protectionSecuring communicationIntelligent NetworkData stream
The invention discloses a white list access control method and system based on an intelligent network card, and a medium. The method comprises the following steps: installing the intelligent network card for a first server and deploying a security configuration management platform; configuring a white list rule for the first server based on the security configuration management platform; issuing the white list rule to the intelligent network card, and storing the white list rule in a chip UTB table entry of the intelligent network card; when the interface of the intelligent network card receives a network message flow, identifying message information from the network message flow and sending the message information to the NP engine; the NP engine matches the message information with a white list rule in a chip UTB table item of the intelligent network card, and judges whether the white list rule is hit; if the white list rule is hit, performing communication release on the network message; and if the white list rule is not hit, carrying out communication blocking on the network message. According to the method, the security is higher, the deployment and management configuration are more convenient and flexible, the security protection of high-speed data streams is supported, and the cpu resource occupancy rate is lower.
Owner:CHENGDU BEIZHONG NETCORE TECH CO LTD
Wear-resistant optical lens
The utility model discloses a wear-resistant optical lens, which comprises a lens body, one side of the lens body is provided with a fixing part, the other side of the lens body is provided with a telescopic part, one end of the telescopic part far away from the fixing part is provided with a lens body, and the outside of the fixing part is provided with a first outer protective tube. A second outer protection tube is arranged outside the telescopic part, the second outer protection tube is connected with the first outer protection tube in a matched mode, a dustproof sealing ring is arranged at the end, away from the lens body, of the second outer protection tube, and the dustproof sealing ring is connected with the first outer protection tube in a matched mode. The utility model relates to the technical field of optical lenses, and solves the problems that in the prior art, in daily use of an optical lens, due to friction between the optical lens and dust, grit or other objects, the surfaces of a lens shell and a lens are possibly scratched and abraded, so that the stability and the imaging quality of the lens are influenced, and the service life of the optical lens is influenced.
Owner:JIANGXI CHANGYI PHOTOELECTRIC CO LTD
Maintenance device for operation and maintenance of power distribution network
PendingCN119191190AEffective security protectionSafety devices for lifting equipmentsItem transportation vehiclesElectric driveDistribution grid
The invention discloses a maintenance device for operation and maintenance of a power distribution network, which relates to the field of power distribution network maintenance and comprises an electric drive base, an electric drive lifting unit is arranged above the electric drive base, a maintenance platform is arranged at the top of the electric drive lifting unit, and first guardrail frames are symmetrically arranged on two sides of the maintenance platform. A plurality of first handrails are sequentially installed on the inner side face of the first guardrail frame at equal intervals, second guardrail frames are symmetrically arranged on the other two sides of the maintenance platform, a plurality of second handrails are sequentially installed on the inner side faces of the second guardrail frames at equal intervals, and an access door is hinged to one of the first guardrail frames. According to the maintenance device for operation and maintenance of the power distribution network, the extension plates fixedly connected with the first guardrail frame and the second guardrail frame are arranged on the maintenance platform, so that the activity range can be properly enlarged when the activity range provided by the maintenance platform cannot meet the requirement, and the maintenance work can be continuously carried out.
Owner:国网青海省电力公司果洛供电公司 +1
Field surveying device for construction engineering cost
ActiveCN222164159Uachieve the purpose of supportEffective security protectionCasings/cabinets/drawers detailsSurveying instrumentsGear wheelSurvey instrument
The utility model discloses an on-site surveying device for construction engineering cost, which comprises a supporting seat, a surveying instrument body is fixedly arranged at the middle end of the top of the outer surface of the supporting seat, the periphery of the top of the outer surface of the supporting seat is movably connected with a protective plate through a bearing, and the surface of the protective plate is fixedly connected with a poke rod. A through hole is formed in the lower end of the poke rod, and the middle end of the bottom of the supporting base is movably connected with a rotating shaft through a bearing. Through the arrangement of the supporting seat, the purpose of supporting the surveying instrument body is achieved, and through the arrangement of the rotating shaft, the first bevel gear, the second bevel gear, the screw rod, the moving rod, the through hole, the poke rod and the protection plate, the periphery of the surveying instrument body can be effectively and safely protected; the surveying instrument body is prevented from being damaged due to collision of objects, the safety of the surveying instrument body during carrying and moving transportation is guaranteed, and personnel can use the surveying instrument conveniently.
Owner:ANHUI JIANTAI FULL PROCESS ENGINEERING CONSULTING CO LTD
Data intelligent security protection method and system for computer terminal data interaction
ActiveCN119622714Aimprove usabilityImprove applicabilityKey distribution for secure communicationDigital data protectionOriginal dataData access
The invention discloses a data intelligent security protection method and system for computer terminal data interaction, and relates to the technical field of network security. Comprising the following steps of S1, collecting scene data, performing preprocessing, and performing security risk assessment; s2, performing data synthesis conversion and encryption processing on the interaction data; s3, constructing a user portrait and establishing an intelligent identity authentication mechanism; s4, dividing data access permissions according to user roles and responsibilities; s5, making a data backup plan; and S6, deploying a security auditing system. According to the method, the potential security risk in the terminal data interaction process can be detected by performing preliminary security assessment on the interaction scene; data encryption processing is performed after the interaction data is synthesized and converted, so that original data features can be confused, the encryption complexity is increased, and unified management and transmission of the data are facilitated; and user behaviors are deeply known based on a user portrait mode, so that the access control authority can be more accurately set, and misinformation and interference are reduced.
Owner:DONGYING DONGWANG INTERNET INFORMATION TECH CO LTD
Nickel-metal hydride battery quality detection device
ActiveCN224202700UImprove the protective effectprevent proliferationWork holdersShock testingElectrical batteryTest frame
The utility model discloses a nickel-metal hydride battery quality detection device, which belongs to the technical field of battery quality detection, and aims to solve the problems of insufficient protection, inconvenience in clamping and the like of the existing device. The nickel-metal hydride battery quality detection device comprises a door-shaped test frame, a test bin, a lifting seat, two groups of symmetrical clamping arms, a pressing frame, a positioning rod and the like, the top of the test bin is provided with a hole for a battery to fall off and a safety tube, the bin door is connected with the test bin through a lock catch, the lifting seat is connected with the telescopic cylinder and slides along the test frame, the clamping arm automatically clamps the battery through a torsional spring, the pressing frame presses downwards to control the clamping arm to be opened and closed, and the positioning rod can adjust the height to enable the battery to fall off at a preset height. Detection safety is guaranteed through the safety tube and the closed test bin, convenient operation is achieved through the mechanical structure, the clamping blocks are specially designed to adapt to various batteries, the positioning rods are adjustable, various detection requirements are met, and detection safety and efficiency are improved.
Owner:XINXIANG XINGTAI NEW ENERGY CO LTD
Forest grass disease and pest prevention and control machine tool
ActiveCN222485921Uimprove securityEffective security protectionSpraying apparatusInsect catchers and killersAgricultural scienceAgricultural engineering
The forest grass disease and pest prevention and control machine tool comprises a working box, the upper end of the right side of the outer surface of the working box is movably connected with a connecting rod through a bearing, a first motor is fixedly installed at the right end of the bottom of the outer surface of the working box, and a screw rod is fixedly installed at the output end of the first motor; the lower end of the screw rod is fixedly connected with a winding disc, and the upper end of the screw rod is in threaded connection with a movable plate. According to the forest grass disease and insect pest prevention and control device, through the arrangement of the pesticide box, pesticide liquid needed in the forest grass disease and insect pest prevention and control process can be contained, and through the arrangement of the first motor, the screw rod, the movable plate, the push rod, the connecting rod, the pesticide applying spray pipe, the pesticide pump and the pesticide box, the effect of spraying the pesticide liquid to forest grass to perform disease and insect pest prevention and control is achieved; and under the cooperative action of a screw rod, a winding disc, a steel rope, a transverse plate, a protective baffle, a supporting spring and a working box, the right side of the worker can be effectively protected.
Owner:王文宁
Secure computing methods, devices and chips for information
This invention discloses a secure computation method, apparatus, and chip for information. The method includes: during secure computation, obtaining the dividend and modulus of a modulo operation; determining a transformation constant for converting the dividend to the Montgomery domain based on the modulus, and secretly calculating a Montgomery modular multiplication factor based on the transformation constant and the modulus; dividing the dividend into multiple local dividends based on the transformation constant, and performing a matching Montgomery modular multiplication on each local dividend according to its position within the dividend and the Montgomery modular multiplication factor, obtaining multiple local modulo results; and calculating the modulo operation result between the dividend and the modulus based on the multiple local modulo results. The technical solution of this embodiment is based on an improved Montgomery modular multiplication algorithm, achieving fast and secure modulo computation during secure computation of information, improving the speed of modulo computation while resisting side-channel attacks.
Owner:BEIJING TONGFANG MICROELECTRONICS